Module 4:Preloading and vertical drains Lecture 10:Introduction to preloading and vertical drains. The Lecture Contains:
|
|
- Roxanne Carter
- 6 years ago
- Views:
Transcription
1 The Lecture Contains: Preloading and vertical drains file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_1.htm [10/11/2011 4:24:16 PM]
2 Pre, loading and vertical drains Preloading Increases the bearing capacity Reduces the compressibility of weak ground Achieved by placing temporary surcharge on the ground. Surcharge generally more than the expected bearing capacity. In cohesion less soil and gravel lowering water table Most effective soft cohesive ground. The process may be speed up by vertical sand drains. Vertical drains are installed in order to accelerate settlement and gain in strength of soft cohesive soil. Vertical drains accelerate primary consolidation only. As significant water movement is associated with it.secondary consolidation causes only very small amount of water to drain from soil; Secondary settlement is not speeded up by vertical drains. Only relatively impermeable soil benefit from vertical drains. Soils which are more permeable will consolidate under surcharge. Vertical drains are effective where a clay deposit contain many horizontal sand or silt lenses. Pre loading Reduce total and differential settlement Economy in foundation system Vertical speed up to settlement process do not reduce the amount of deformationunder a given load. file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_2.htm [10/11/2011 4:24:16 PM]
3 Pre loading and vertical drains Figure 10.1 file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_3.htm (1 of 2) [10/11/2011 4:24:17 PM]
4 Figure 10.2 file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_3.htm (2 of 2) [10/11/2011 4:24:17 PM]
5 Figure10.3 Pre loading allows cheaper spread footings. Pre loading allows savings on foundation costs. file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_4.htm (1 of 2) [10/11/2011 4:24:17 PM]
6 Figure 10.4 Vertical drains accelerate settlements and do not reduce final movements. file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_4.htm (2 of 2) [10/11/2011 4:24:17 PM]
7 Pre loading and vertical drains Methods of Preloading vertical drainage: Cylindrical sand drains: Sand drains consisted simply of boreholes felled with sand. The holes may be formed by driving, jetting and/or angering. Its diameter is 200 to 450mm and would be spaced 1-5 to 6m appart. A large diameter sand, in a fine grained soil, enables rapid consolidation of surrounding material and also provide vertical compressive reinforcement Geosynthetic drains: Figure 10.5 file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_5.htm (1 of 2) [10/11/2011 4:24:17 PM]
8 file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_5.htm (2 of 2) [10/11/2011 4:24:17 PM]
9 Pre loading and vertical drains Advantages: Easy and Rapid installation Mode of uniform material, easily stored and transported tensile strength of the strips helps to preserve containing low costs. Type Core material Filter material Dimension (mm) PVC PVC none 100 Geodrain PE Cellulose Mebradrain PP PP or PES Acidrain PE PES 100 Col band PES none 100 As the radial consolidation theory assumes the drain has a circular section on equivalent drain has to be calculated for strip drains. An equivalent sand drains diameter can be fund based on equal void area. Equal void area Koerner (1986) B = width of strip t = thickness of strip. file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_6.htm (1 of 2) [10/11/2011 4:24:17 PM]
10 = void area /total c/s area of strip. porosity of surd drains. Equal circumference file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_6.htm (2 of 2) [10/11/2011 4:24:17 PM]
11 Preloading and vertical drains Vertical drains There is a large settlement consequent upon the charge of void ratio from e to Figure 10.6 When the preload is removed the soil undergoes swelling from B to C and void ratio increases from When building is erected, the same intensity of pressure is applied but now the settlement is a function to reloading. So settlement of building reduces considerably. In direct pre loading, the time for consolidation may run into years because of low permeability of clay and long drainage path. To reduce the time for consolidation vertical drains with drainage blanket on top are used. file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_7.htm (1 of 2) [10/11/2011 4:24:18 PM]
12 Figure 10.7 file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_7.htm (2 of 2) [10/11/2011 4:24:18 PM]
13 Pre loading and vertical drains Figure 10.8 The flow within the zone is combination of redial flow towards the sand and vertical flow towards the free draining boundary. The average degree of consolidation is Assuming uniform vertical drain at the surface, Degree of consolidation due to redial drainage. Barron (1948) file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_8.htm (1 of 2) [10/11/2011 4:24:18 PM]
14 Where, Radial time factor file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_8.htm (2 of 2) [10/11/2011 4:24:18 PM]
15 Pre, loading and vertical drains Square Pattern & triangular pattern Figure 10.9 Considering the influence area of each drain to be circular, we have Coefficient of radial consolidation In field problem, is small compared to neglected For a time t and the time factor can be calculated. file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_9.htm (1 of 2) [10/11/2011 4:24:18 PM]
16 Figure file:///d /Dr.patra/ground_improvement_techniques/lecture10/10_9.htm (2 of 2) [10/11/2011 4:24:18 PM]
Prof. B V S Viswanadham, Department of Civil Engineering, IIT Bombay
49 Module 3: Lecture - 11 on Compressibility and Consolidation Contents Stresses in soil from surface loads; Terzaghi s 1-D consolidation theory; Application in different boundary conditions; Ramp loading;
More informationChapter 11 Compressibility of Soil
Page 11 1 Chapter 11 Compressibility of Soil 1. The compression of soil layers as a result of foundation or other loadings is caused by (a) deformation of soil particles. (b) relocation of soil particles.
More informationEarthwork and Ground Technology. Site Improvement
Earthwork and Ground Technology Site Improvement Slides adapted and upgraded from original presentation slide by College of Engineering, University of Washington. Methods of site improvement Removal and
More informationUncertainties of Smear Zone Characteristics in the Design of Preloading with Prefabricated Vertical Drains
Uncertainties of Smear Zone Characteristics in the Design of Preloading with Prefabricated Vertical Drains A. Parsa Pajouh 1,*, B. Fatahi 1, and H. Khabbaz 1 1- School of Civil and Environmental Engineering,
More informationGEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE
GEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE Prof. J. N. Mandal Department of civil engineering, IIT Bombay, Powai, Mumbai 400076, India. Tel.022-25767328 email: cejnm@civil.iitb.ac.in Module - 9
More informationStudy of Various Techniques for Improving Weak and Compressible Clay Soil under a High Earth Embankment
MATEC Web of Conferences 11, 03006 ( 2014) DOI: 10.1051/ matecconf/ 20141103006 C Owned by the authors, published by EDP Sciences, 2014 Study of Various Techniques for Improving Weak and Compressible Clay
More informationPeriod #17: Soil Compressibility and Consolidation (III)
Period #17: Soil Compressibility and Consolidation (III) A. Review: In discussing the behavior of soil deposits, we have covered the two most basic issues: a) For given soil properties and applied loads,
More informationCode No: RR Set No. 1
Code No: RR320101 Set No. 1 III B.Tech Supplimentary Examinations, Aug/Sep 2008 GEOTECHNICAL ENGINEERING (Civil Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal
More informationCompressibility of Soil. Chapter 11
Compressibility of Soil Chapter 11 TOPICS INTRODUCTION ELASTIC SETTLEMENT Stress distribution in soil masses CONSOLIDATION SETTLEMENT Fundamentals of consolidation Calculation of 1-D Consolidation Settlement
More informationGround Modification Applications for Bio-Fuel Plants Raymond J. Franz, P.E. Roselle, IL
Geotechnics and Supplying Future Energy Needs: Ground Modification Applications for Bio-Fuel Plants Raymond J. Franz, P.E. Roselle, IL Bio-Fuel Facilities Current and future energy needs demand consideration
More informationPVD Ground Improvement System
eau eau CeTeau stands for innovative ground improvement technologies with Prefabricated Vertical Drains. Prefabricated Vertical Drains (PVD), also called Wick Drains, are prefabricated drain strips consisting
More informationSTUDY OF RADIAL PORE WATER PRESSURE DISSIPATION DURING CONSOLIDATION USING PLUS & BAND SHAPE SAND DRAIN
IGC 9, Guntur, INDIA Study of Radial Pore Water Pressure Dissipation during Consolidation Using Plus & Band Shape Sand Drain STUDY OF RADIAL PORE WATER PRESSURE DISSIPATION DURING CONSOLIDATION USING PLUS
More informationTable 1. Typical Soil Parameters Description Bulk Density, kn/m 3 Liquid Limit, % Plastic limit, % Natural Moisture Content, % Cohesion, kn/m 2 Compre
CASE STUDY CONSTRUCTION OF HIGH ROAD EMBANKMENT OVER THICK SOFT SILTY CLAY- A CASE STUDY Radhakrishnan R, Geo-Enviro Engineers P Ltd, Chennai, Tamil Nadu, India, 044-24483522, geoenviro2012@gmail.com.
More informationBrooks/Cole Thomson LearningiM. Fundamentals of Geotechnical Engineering. Braja M. Das. California State University, Sacramento
Fundamentals of Geotechnical Engineering Braja M. Das California State University, Sacramento Brooks/Cole Thomson LearningiM Australia Canada Mexico Singapore Spain United Kingdom United States CHAPTER
More informationSPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised 5/8/7)
Page 1 of 7 STONE STRONG SYSTEMS SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised 5/8/7) PART 1: GENERAL 1.01 Description A. Work includes furnishing and installing precast modular
More informationImproving Engineering Properties of Soft Soil Using Preloading and Prefabricated Vertical Drains
Volume 1, Issue 2, October-December, 2013, pp. 08-12, IASTER 2013 www.iaster.com, Online: 2347-2855, Print: 2347-8284 ABSTRACT Improving Engineering Properties of Soft Soil Using Preloading and Prefabricated
More informationCIV E Geotechnical Engineering I Consolidation
Purpose Determine the magnitude and time rate of settlement for a compressible cohesive soil. Required reading Das 2006 Sections 10.4 to 10.16 (pages 312 to 358). Theory Bringing soil samples into the
More informationAlternative design approach for soft clay improved by PVDs
University of Wollongong Research Online Faculty of Engineering and Information Sciences - Papers: Part A Faculty of Engineering and Information Sciences 2015 Alternative design approach for soft clay
More informationIV B.Tech I Semester Regular/Supplementary Examinations, Nov/Dec- 2014
Set No. 1 1 a) What is dewatering? What are the objectives of dewatering? b) Explain in detail about the Electro-osmosis theory with neat sketch. 2 a) What are different types of grouts available and what
More informationConsolidation (Overview)
Ch. 8 - Consolidation Page 1 Consolidation (Overview) Ch. 8 - Consolidation Page 2 Ch. 8 - Consolidation Page 3 Ch. 8 - Consolidation Page 4 Ch. 8 - Consolidation Page 5 Ch. 8 - Consolidation Page 6 Ch.
More informationAMERDRAIN. Prefabricated Vertical Soil Drainage Systems ICK. Soil drainage method for accelerating settlement through vertical drainage
AMERDRAIN Prefabricated Vertical Soil Drainage Systems Soil drainage method for accelerating settlement through vertical drainage MERICAN ICK RAIN CORPORATION INTRODUCTION The problem Historically, the
More informationFIELD AND THEORETICAL ANALYSIS OF ACCELERATED SETTLEMENT USING VERTICAL DRAINS
FIELD AND THEORETICAL ANALYSIS OF ACCELERATED SETTLEMENT USING VERTICAL DRAINS ABSTRACT Shyamal Kumar Mukherjee Research Scholar, Department of Civil Engineering, Datta Meghe College of Engineering Airoli,
More informationSPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised 9/17/18)
Page 1 of 8 STONE STRONG SYSTEMS SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM (revised ) PART 1: GENERAL 1.01 Description A. Work includes furnishing and installing precast modular blocks
More informationConstruction and Geotechnical Issues
AECOM port project images here Original must be proportionate to 25.4cm x 8cm Image here Original must be square Image here Original must be square Image here Original must be square Construction and Geotechnical
More informationHUESKER RINGTRAC GEOSYNTHETIC ENCASED COLUMNS (GEC) / PILES
HUESKER RINGTRAC GEOSYNTHETIC ENCASED COLUMNS (GEC) / PILES PRODUCT DESCRIPTION GENERAL NOTES Seamless, cylindrical reinforcement sleeve manufactured from low-creep, high strength polymers such as polyester
More informationDESIGN, CONSTRUCTION AND PERFORMANCE OF HIGH EMBANKMENT ON SOFT CLAY DEPOSITS
IGC 2009, Guntur, INDIA DESIGN, CONSTRUCTION AND PERFORMANCE OF HIGH EMBANKMENT ON SOFT CLAY DEPOSITS Avik Kumar Mandal AGM, Geotechnical Engineering, M/s. LEA Associates South Asia Pvt. Ltd., New Delhi
More informationPrefabricated Vertical Drains
Prefabricated Vertical Drains Technical Design Manual CeTeau stands for innovative ground improvement technologies with Prefabricated Vertical Drains. Prefabricated Vertical Drains (PVD), also called Wick
More information2012 Soil Mechanics I and Exercises Final Examination
2012 Soil Mechanics I and Exercises Final Examination 2013/1/22 (Tue) 13:00-15:00 Kyotsu 155 Kyotsu 1 Kyotsu 3 W2 Lecture room Attention: There are four questions and four answer sheets. Write down your
More informationSEMBODAI RUKMANI VARATHARAJAN ENGINEERING COLLEGE SEMBODAI BACHELOR OF ENGINEERING DEPARTMENT OF CIVIL ENGINEERING QUESTION BANK
SEMBODAI RUKMANI VARATHARAJAN ENGINEERING COLLEGE SEMBODAI - 614809 BACHELOR OF ENGINEERING Sub.Code: CE6405 DEPARTMENT OF CIVIL ENGINEERING QUESTION BANK Branch/Year/SEM: CIVIL/II/ IV Sub.Name: Soil Mechanics
More informationNOTE. This manuscript is a preprint of the following article:
NOTE This manuscript is a preprint of the following article: Leshchinsky, D., Design software for soft soils, Geotechnical Fabrics Report, March, 2004, Vol. 22, Number 2, 18-23. The actual article included
More informationNPTEL Course GROUND IMPROVEMENT USING MICROPILES
Lecture 22 NPTEL Course GROUND IMPROVEMENT USING MICROPILES Prof. G L Sivakumar Babu Department of Civil Engineering Indian Institute of Science Bangalore 560012 Email: gls@civil.iisc.ernet.in Contents
More informationGeosynthetics and Reinforced Soil Structures Prof. K. Rajagopal Department of Civil Engineering Indian Institute of Technology, Madras
Geosynthetics and Reinforced Soil Structures Prof. K. Rajagopal Department of Civil Engineering Indian Institute of Technology, Madras Lecture - 21 Geosynthetic Reinforced Soil Embankments I Good morning
More informationBRE Seminar Ground treatment - Getting the best from difficult sites A Reality Check What Does the Designer Need to Know?
BRE Seminar Ground treatment - Getting the best from difficult sites A Reality Check What Does the Designer Need to Know? Chris Raison BEng MSc CEng MICE MASCE Raison Foster Associates Introduction A few
More informationAtterberg limits Clay A Clay B. Liquid limit 44 % 55% Plastic limit 29% 35% Natural water content 30% 50%
CE 6405 SOIL MECHANICS UNIT I INTRODUCTION Part A 1. Distinguish between Residual and Transported soil. 2. Give the relation between γ sat, G, γ w and e 3. A compacted sample of soil with a bulk unit weight
More informationDownloaded from Downloaded from /1
PURWANCHAL UNIVERSITY VI SEMESTER FINAL EXAMINATION-2003 LEVEL : B. E. (Civil) SUBJECT: BEG359CI, Foundation Engineering. Full Marks: 80 TIME: 03:00 hrs Pass marks: 32 Candidates are required to give their
More informationA STUDY ON GROUND IMPROVEMENT USING STONE COLUMN TECHNIQUE
A STUDY ON GROUND IMPROVEMENT USING STONE COLUMN TECHNIQUE Karun Mani 1, Nigee.K 2 U.G Student, Dept, of Civil Engineering, M.A.College of Engineering, Ernakulam, Kerala, India 1 P.G Student, Applied Mechanics
More informationFoundation Engineering CE Introduction. Prof. H. Alawaji. Room No. 2A- 47/1, Tel
Foundation Engineering CE 483 1. Introduction Prof. H. Alawaji Email: alawaji@ksu.edu.sa Room No. 2A- 47/1, Tel. 01-46- Contents Introduction Course General Information Prior Knowledge required for the
More informationA Vacuum Consolidation Method Application Case for Improving Dredging Slurry
A Vacuum Consolidation Method Application Case for Improving Dredging Slurry Liu Yu 1 Ph.D, Geoharbour Group, liuyu@geoharbour.com, CHINA Marcello Djunaidy 2 MT, Geotekindo PT, marcello@geotekindo.com,
More informationSUBSOIL IMPROVEMENT WORKS AT DVIZ, HAIPHONG, VIETNAM
Subsoil Improvement Works at DVIZ, Haiphong, Vietnam 3 ALICE MONTULET, LUCIEN HALLEUX AND NGUYEN VAN NGOC SUBSOIL IMPROVEMENT WORKS AT DVIZ, HAIPHONG, VIETNAM ABSTRACT This article describes the subsoil
More informationGEOTECHNICAL ENGINEERING CHALLENGES ON SOFT GROUND. For Myanmar Engineering Society 2012 CONTENTS
GEOTECHNICAL ENGINEERING CHALLENGES ON SOFT GROUND For Myanmar Engineering Society 2012 G&P Professional Sdn Bhd (www.gnpgroup.com.my) By Engr. Dr. Gue See Sew (P.Eng) Engr. Dr. Wong Shiao Yun (G.Eng)
More informationGEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE
GEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE Prof. J. N. Mandal Department of civil engineering, IIT Bombay, Powai, Mumbai 400076, India. Tel.022-25767328 email: cejnm@civil.iitb.ac.in Module-5 LECTURE-
More informationFoundations. Foundations form the major part of a buildings substructure (along with the rising walls, hardcore and ground floors)
Foundations Foundations form the major part of a buildings substructure (along with the rising walls, hardcore and ground floors) Once the substructure is complete the building is out of the ground and
More informationSOIL MECHANICS I ( SEMESTER - 5 )
SOIL MECHANICS I ( SEMESTER - 5 ) CS/B.TECH (CE)/SEM-5/CE-501/07/(08) 1. Signature of Invigilator 2. Signature of the Officer-in-Charge Reg. No. Roll No. of the Candidate CS/B.TECH (CE)/SEM-5/CE-501/07/(08)
More informationAn Introduction to Spread Footings and Mat Foundations
An Introduction to Spread Footings and Mat Foundations J. Paul Guyer, P.E., R.A. Editor Paul Guyer is a registered civil engineer, mechanical engineer, fire protection engineer, and architect with over
More informationAn Introduction to Road Design for Cold Regions
An Introduction to Road Design for Cold Regions J. Paul Guyer 2013 1 CONTENTS 1. GENERAL 2. BASE COURSE AND PAVEMENT COMPOSITION 3. BASE COURSE DESIGN IN AREAS OF NON-FROST- SUSCEPTIBLE SOILS 4. BASE COURSE
More informationCHAPTER 21 SOIL IMPROVEMENT 21.1 INTRODUCTION
CHAPTER 21 SOIL IMPROVEMENT 21.1 INTRODUCTION General practice is to use shallow foundations for the foundations of buildings and other such structures, if the soil close to the ground surface possesses
More informationDevelopment of the Countermeasure against Roadbed Degradation under Ballastless Tracks for Existing Lines
Challenge H: For an even safer and more secure railway Development of the Countermeasure against Roadbed Degradation under Ballastless Tracks for Existing Lines Katsumi MURAMOTO, Takahisa NAKAMURA Track
More informationINSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad CIVIL ENGINEERING
INSTITUTE OF AERONAUTICAL ENGINEERING (Autonomous) Dundigal, Hyderabad -00 03 CIVIL ENGINEERING QUESTION BANK Course Name : GROUND IMPROVEMENT TECHNIQUES Course Code : A012 Class : III B. Tech IISemester
More informationGEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE
GEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE Prof. J. N. Mandal Department of civil engineering, IIT Bombay, Powai, Mumbai 400076, India. Tel.022-25767328 email: cejnm@civil.iitb.ac.in Module - 9
More informationColbonddrain. Colbonddrain. Next Generation. Installation SOIL CONSOLIDATION. Colbond. Proven Performance. Unique Core Design
is a leading producer of high-quality synthetic nonwovens for flooring, automotive and construction applications and three-dimensional polymeric mats and composites for civil engineering, building and
More informationENGINEERING PROPERTIES AND MAINTENANCE OF PUTTING GREENS James R. Crum Department of Crop and Soil Sciences Michigan State University
ENGINEERING PROPERTIES AND MAINTENANCE OF PUTTING GREENS James R. Crum Department of Crop and Soil Sciences Michigan State University Introduction Our overall objective of this research project was to
More informationGEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE
GEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE Prof. J. N. Mandal Department of Civil Engineering, IIT Bombay, Powai, Mumbai 400076, India. Tel.022-25767328 email: cejnm@civil.iitb.ac.in Module - 6
More informationPOTENTIAL OF BAMBOO PILE AS REINFORCEMENT OF PEAT SOIL UNDER EMBANKMENT
VOL. 13, NO. 1, JANUARY 218 ISSN 1819-68 26-218 Asian Research Publishing Network (ARPN). All rights reserved. POTENTIAL OF BAMBOO PILE AS REINFORCEMENT OF PEAT SOIL UNDER EMBANKMENT Maulana, Azwar, Rika
More informationPE Exam Review - Geotechnical
PE Exam Review - Geotechnical Resources and Visual Aids Item Page I. Glossary... 11 II. Parameters... 9 III. Equations....11 IV. Tables, Charts & Diagrams... 14 1. Module 1 - Soil Classification... 14
More informationMEMORANDUM. TO: STUART OLSON DOMINION CONSTRUCTION LTD. DATE: JANUARY 31, 14 ATTENTION: MR. Dave Bauder, Construction Manager KENNY K. C.KO, P.ENG.
MEMORANDUM Levelton Consultants Ltd. 150-12791 Clarke Place Richmond, BC V6V 2H9 Canada Tel: 604 278-1411 Fax: 604 278-1042 E-Mail: rhillaby@levelton.com Web Site: www.levelton.com TO: STUART OLSON DOMINION
More informationExperimental Study on Bearing Capacity of Micro Grid Galam Wood Pile on Soft Soil
Experimental Study on Bearing Capacity of Micro Grid Galam Wood Pile on Soft Soil Muhammad Ridwan * Lawalenna Samang Wihardi Tjaronge Muhammad Ramli Doctoral Student Professor Professor Associate Professor
More informationBEHAVIOUR OF GEOTEXTILE REINFORCED STONE COLUMNS MANITA DAS, A.K.DEY ABSTRACT
BEHAVIOUR OF GEOTEXTILE REINFORCED STONE COLUMNS MANITA DAS, A.K.DEY ABSTRACT Stone columns are being used to improve the bearing capacity and reduce the settlement of a weak or soft soil. The improvement
More informationTasman Retaining Wall System
Tasman Retaining Wall System The Tasman Retaining Wall System incorporates purpose made corners and capping units to provide classical reconstructed stone retaining walls for any landscape situation. From
More informationCE 6012 Ground Improvement Techniques Question Bank
CE 6012 Ground Improvement Techniques Question Bank Unit I INTRODUCTION Role of ground improvement in foundation engineering - methods of ground improvement Geotechnical problems in alluvial, laterite
More informationNPTEL Course GROUND IMPROVEMENT
Lecture 8 NPTEL Course GROUND IMPROVEMENT Prof. G L Sivakumar Babu Department of Civil Engineering Indian Institute of Science Bangalore 560012 Email: gls@civil.iisc.ernet.in Vibro-compaction methods Compaction
More informationCOPYRIGHTED MATERIAL. Contents PART ONE: THEORY...1. Preface to the Third Edition xiii. About the Authors xv. Acknowledgements xvii
Preface to the Third Edition xiii About the Authors xv Acknowledgements xvii Contents PART ONE: THEORY...1 1. Groundwater in Construction...3 1.1 Groundwater in the Hydrologic Cycle 3 1.2 Origins of Dewatering
More informationGEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE
GEOSYNTHETICS ENGINEERING: IN THEORY AND PRACTICE Prof. J. N. Mandal Department of civil engineering, IIT Bombay, Powai, Mumbai 400076, India. Tel.022-25767328 email: cejnm@civil.iitb.ac.in Module - 4
More informationWORKING OF PREFABRICATED VERTICAL DRAIN- Α CASE STUDY
WORKING OF PREFABRICATED VERTICAL DRAIN- Α CASE STUDY Aniket S. Shukla 1, A. R. Kambekar 2 P.G. Student, Construction Management, Department of Civil Engineering, Sardar Patel College of Engineering, Andheri
More informationCompaction and Jet Grouting
Compaction and Jet Grouting Alan Ringen, PE Senior Vice President Breakthroughs in Tunneling Short Course August 16, 2017 Grouting Principles Geotechnical Grouting: The injection of pumpable fluid materials
More informationGRI-GC16 Standard Specification * Test Methods, Required Properties and Testing Frequency for Prefabricated Vertical Drains (PVDs)
Geosynthetic Institute 475 Kedron Avenue Folsom, PA 19033-1208 USA TEL (610) 522-8440 FAX (610) 522-8441 GEI EI GAI GRI GSI GCI GII Revision 2: July 24, 2017 Revision schedule on pg. 9 GRI-GC16 Standard
More informationUNIT-1 RETAINING WALLS
UNIT-1 RETAINING WALLS PART-A 1. Describe about Retaining wall. 2. Define gravity retaining walls. BT-1 3. Classify the types of retaining walls. 4. Explain cantilever retaining wall? 5. Describe about
More informationSuitability of Different Materials for Stone Column Construction
Suitability of Different Materials for Stone Column Construction Dipty Sarin Isaac and Girish M. S. Department of Civil Engineering College of Engineering, Trivandrum, Kerala diptyisaac@yahoo.com, girishmadhavan@yahoo.com
More informationGeotechnical Solutions for High Speed Track Embankment A Brief Overview
Geotechnical Solutions for High Speed Track Embankment A Brief Overview Ir. Dr. Gue See Sew Managing Director, Gue & Partners Sdn Bhd & Ir. Tan Yean Chin Associate Director, Gue & Partners Sdn Bhd ABSTRACT:
More informationPulaski County, Virginia
Pulaski County, Virginia Typical Retaining Wall Details Based on the 2009 International Residential Code CONTENTS Timber Retaining Wall... 2 General Requirements... 2 Wall Construction... 2 Deadmen...
More informationSTATIC ALTERNATING CYCLIC HORIZONTAL LOAD TESTS ON DRIVEN
STATIC ALTERNATING CYCLIC HORIZONTAL LOAD TESTS ON DRIVEN STEEL PIPE PILES OF FOUNDATIONS FOR HIGHWAY BRIDGES Kouichi TOMISAWA, Civil Engineering Research Institute of Hokkaido, Japan Satoshi NISHIMOTO,
More informationSubject Index ASTM D , 28, 57, 63, 67, 83-86, 98, 111, ASTM D , 57
STP952-EB/JUI. 1987 Subject Index Abrasion resistance, 120, 168-169 Apparent opening size, 7, 21, 29-30, 172-173 defined, 30 versus equivalent opening size, 9-12 Apparent slope height, 96 Approved list,
More informationProviding proper drainage system
Environment Friendly and Cost Effective Alternative to Conventional Graded Filters Providing proper drainage system for structures such as earth retaining structures, pavements, water front structures,
More informationModular Course on Foundations and Earth retaining Structures for Building and Infrastructure Projects 9th March 2000
The Institution of Engineers of Ireland Modular Course on Foundations and Earth retaining Structures for Building and Infrastructure Projects 9th March 2000 MODULE 4 RETAINING STRUCTURES DEEP EXCAVATIONS
More informationIslamic University of Gaza Faculty of Engineering Civil Engineering Department Soil Mechanics Lab ECIV 3151 Final Exam 2016/2017
Islamic University of Gaza Faculty of Engineering Civil Engineering Department Soil Mechanics Lab ECIV 3151 Final Exam 2016/2017 Instructors: Dr. Jehad T. Hamad Engr. Yasser M. Almadhoun Examination Date:
More informationTypical set up for Plate Load test assembly
Major disadvantages of field tests are Laborious Time consuming Heavy equipment to be carried to field Short duration behavior Plate Load Test Sand Bags Platform for loading Dial Gauge Testing Plate Foundation
More informationNumerical Modeling the Behavior of Ground Improvement in Soft Clay
Numerical Modeling the Behavior of Ground Improvement in Soft Clay Jason Y. Wu Department of Civil Engineering and Engineering Informatics Chung Hua University No.707, Sec. 2, Wufu Rd., Hsinchu City 300,
More informationDesign and Construction Aids in Advanced Geosynthetics Engineering. J. N. Mandal
Draft copy Design and Construction Aids in Advanced Geosynthetics Engineering J. N. Mandal About this book: This book is the source of current state-of-the-art knowledge and practice which he has acquired
More informationtwenty six concrete construction: foundation design ELEMENTS OF ARCHITECTURAL STRUCTURES: FORM, BEHAVIOR, AND DESIGN DR. ANNE NICHOLS SPRING 2013
ELEMENTS OF ARCHITECTURAL STRUCTURES: FORM, BEHAVIOR, AND DESIGN DR. ANNE NICHOLS SPRING 2013 lecture twenty six concrete construction: www.tamu.edu foundation design Foundations 1 Foundation the engineered
More informationTasman Retaining Wall System
Tasman Retaining Wall System The Tasman Retaining Wall System incorporates purpose made corners and capping units to provide classical reconstructed stone retaining walls for any landscape situation. From
More informationPART 3 : GUIDANCE FOR DESIGN SECTION LB CONTENTS
PART 3 : GUIDANCE FOR DESIGN SECTION LB CONTENTS Clause 1. 1.1 1.1.1 1.1.2 1.1.3 1.1.4 1.2 1.2.1 1.3 1.3.1 1.3.2 1.3.3 1.3.4 2. 2.1 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.2 2.2.1 2.2.2 2.2.3 2.2.4 2.3 3. 3.1
More informationGrouting Bilfinger Spezialtiefbau GmbH
Grouting Bilfinger Spezialtiefbau GmbH Goldsteinstrasse 114 D-60528 Frankfurt Phone: +49 69 6688-345 Fax: +49 69 6688-277 Email: info.spezialtiefbau@bilfinger.com www.foundation-engineering.bilfinger.com
More informationAPPLICATION NOTE AN-9920 May 1999 INSTRUMENTATION FOR MONITORING CONSOLIDATION OF SOFT SOIL 1. Introduction
APPLICATION NOTE May 1999 INSTRUMENTATION FOR MONITORING CONSOLIDATION OF SOFT SOIL 1. Introduction Considerable settlement may occur when constructing projects such as highway embankments, bridge approaches,
More informationBEARING CAPACITY OF SHALLOW FOUNDATIONS
BEARING CAPACITY OF SHALLOW FOUNDATIONS Introduction A foundation, often constructed from concrete, steel or wood, is a structure designed to transfer loads from a superstructure to the soil underneath
More informationBuilding Construction
Building Construction Shallow Foundations Module-III Introduction The foundation can be classified broadly into two types: Shallow foundations Deep foundations Shallow foundations Shallow Foundations When
More informationC-R-S: PID: Reviewer: Date:
C-R-S: PID: Reviewer: Date: Settlement 1 If soil conditions and project requirements warrant, have settlement issues been addressed? If not applicable (X), go to Question 14 2 Have consolidation properties
More informationEffect of Soil Reinforcement on Shear Strength and Settlement of Cohesive- Frictional Soil
Int. J. of GEOMATE, Sept., Int. J. 212, of GEOMATE, Vol. 3, No. Sept., 1 (Sl. 212, No. 5), Vol. pp. 3, 38-313 No. 1 (Sl. No. 5), pp. 38-313 Geotec., Const. Mat. & Env., ISSN:2186-2982(P), 2186-299(O),
More informationtwenty seven concrete construction: foundation design Foundation Structural vs. Foundation Design Structural vs. Foundation Design
ARCHITECTURAL STRUCTURES: FORM, BEHAVIOR, AND DESIGN DR. ANNE NICHOLS SRING 2017 lecture twenty seven Foundation the engineered interface between the earth and the structure it supports that transmits
More informationFACTORS AFFECTING FIELD SETTLEMENT ASSESSMENT AND BACK-ANALYSIS BY THE ASAOKA AND HYPERBOLIC METHODS ABSTRACT 1 INTRODUCTION
FACTORS AFFECTING FIELD SETTLEMENT ASSESSMENT AND BACKANALYSIS BY THE ASAOKA AND HYPERBOLIC METHODS A. Arulrajah 1, H. Nikraz 1 and M.W. Bo 2 1 Department of Civil Engineering, Curtin University of Technology,
More informationA Case Study: Foundation Design in Liquefiable Site
RESEARCH ARTICLE OPEN ACCESS A Case Study: Foundation Design in Liquefiable Site Tahar Ayadat* *(Department of Civil Engineering, College of Engineering, PMU University, P.O. Box 1664, Al-Khobar, 31952,
More informationSabah Shawkat Cabinet of Structural Engineering 2017
3.9 Concrete Foundations A foundation is a integral part of the structure which transfer the load of the superstructure to the soil without excessive settlement. A foundation is that member which provides
More informationThis document downloaded from vulcanhammer.net vulcanhammer.info Chet Aero Marine
This document downloaded from vulcanhammer.net vulcanhammer.info Chet Aero Marine Don t forget to visit our companion site http://www.vulcanhammer.org Use subject to the terms and conditions of the respective
More informationUSE OF ELECTRICAL TECHNIQUES FOR ACCELERATING
USE OF ELECTRICAL TECHNIQUES FOR ACCELERATING THE CONSOLIDATION OF CLAYEY SOILS Nogueira Santos, João Alves joao.n.santos@ist.utl.pt IST, Technical University of Lisbon, Portugal ABSTRACT The aim of this
More informationIMPROVEMENT OF LOAD CARRYING CAPACITY OF BC SOIL USING REINFORCED STONE COLUMN
IMPROVEMENT OF LOAD CARRYING CAPACITY OF BC SOIL USING REINFORCED STONE COLUMN Prof.HARISH C 1, VINOD B.R 2 MOHD SHAHID HUSSAIN 3 1 Assistant, professor, Department of Civil Engineering, EWIT, Bengaluru,
More informationHURRICANE SANDY LIMITED REEVALUATION REPORT UNION BEACH, NEW JERSEY DRAFT ENGINEERING APPENDIX SUB APPENDIX B-2 FLOODWALL PILE ANALYSES EAST WALLS
HURRICANE SANDY LIMITED REEVALUATION REPORT UNION BEACH, NEW JERSEY DRAFT ENGINEERING APPENDIX SUB APPENDIX B-2 FLOODWALL PILE ANALYSES EAST WALLS Revised March 2015 Preliminary Flood Wall Pile Analysis
More informationResearch Paper PERFORMANCE OF STRIP FOOTING ON SANDY SOIL DUE TO TUNNELING S.Hariswaran 1, K.Premalatha 2, K.Raja 3
Research Paper PERFORMANCE OF STRIP FOOTING ON SANDY SOIL DUE TO TUNNELING S.Hariswaran 1, K.Premalatha 2, K.Raja 3 Address for Correspondence 1 Assistant Professor, Department of Civil Engineering, Agni
More informationChallenges of Offshore Geotechnical Engineering
Challenges of Offshore Geotechnical Engineering OCE 582 - Seabed Geotechnics Professor Kate Moran presented by Ursula Hebinck Overview Content of Paper recent developments in offshore site investigation
More informationIntroduction to Foundations on Fill and Backfilling
Introduction to Foundations on Fill and Backfilling Course No: G01-003 Credit: 1 PDH J. Paul Guyer, P.E., R.A., Fellow ASCE, Fellow AEI Continuing Education and Development, Inc. 9 Greyridge Farm Court
More informationOUTLINE OF PRESENTATION
GROUNDWATER?? OUTLINE OF PRESENTATION What is groundwater? Geologic investigation Definitions: aquifer and aquitard, unconfined and semi-confined Water level and interpretation of water level data Well
More informationNewly developed SKK method for the improvement of soft ground
Newly developed SKK method for the improvement of soft ground Tetsuji Ozaki, Shigeyoshi Takahashi Asahitechno Corporation, Tokyo, Japan, asahi_tokyo@space.ocn.ne.jp The development of alluvial plain with
More informationRS 3 A New 3D Program for Geotechnical Analysis
RS 3 A New 3D Program for Geotechnical Analysis Rocscience is announcing the upcoming release of a brand new software program for 3-dimensional analysis and design of geotechnical structures RS 3 a general
More information