Forensic Geotechnical Distress Evaluation Of Damaged Buildings In Alluvial-Loessic Soils; A Case History,
2013
University of Witwatersrand, South Africa
Forensic Geotechnical Distress Evaluation Of Damaged Buildings In Alluvial-Loessic Soils; A Case History, Sarfraz Ali, Abdul Qudoos Khan, Usman Zafar, Talha Haider Shehryar
International Conference on Case Histories in Geotechnical Engineering
The city of Hyderabad is a part of lower Indus Basin with arid-tropical climatic conditions. Geologically, the soil deposits near Hyderabad are of alluvial-loessic nature underlain by limestone beds alternating with clay layers. Groundwater is present at shallow depth which fluctuates to even shallower depths during monsoon season in the months of July and August. In recent past, large number of buildings built over shallow foundations in the city suffered structural damages of varying scale in the form of cracks and settlements. Some of these buildings were declared dangerous from safety and stability view point and got vacated by local …
Observation Of Stress Distribution On Instrumented Jet Grout Columns,
2013
Istanbul Technical University, Turkey
Observation Of Stress Distribution On Instrumented Jet Grout Columns, Berrak Teymur, Kaan Doğanışık
International Conference on Case Histories in Geotechnical Engineering
Jet grout columns are used widely in the last decade in Turkey especially in soil improvement projects. This study is intended to understand the behavior and stress distribution of jet grout columns installed in non-cohesive soils and are under vertical loads. Design capacity of jet grout column is examined by loading tests. Stress distribution was determined by strain gauges installed inside the jet grout columns. 35cm in diameter 8m long jet grout columns were constructed in silty sand. As measured by strain gages, the stress along the column extends deeper while load increases. According to the load test results, at …
Preliminary And Working Pile Load Tests In Simsima Limestone,
2013
Arup, New York, NY
Preliminary And Working Pile Load Tests In Simsima Limestone, Terrence Carroll, Stuart Hardy, Elliott Ting
International Conference on Case Histories in Geotechnical Engineering
A load testing program was undertaken to determine the working capacity of drilled shafts in Simsima Limestone, the predominant founding stratum in Doha, Qatar. The drilled shafts ranged from 500 mm to 1,500 mm in diameter and gained capacity from both side and base resistance within the Simsima Limestone. The weathering profile of the Simsima Limestone is complex with the degree of weathering likely to increase or decrease with depth. For the purposes of design, the limestone was characterized into three grades of weathering (A, B, and C) and the pile load testing program focused on testing each of these …
The 1997 Clark Landfill Failure At Indiana Harbor Works Ltv Steel Company, East Chicago, Indiana,
2013
Libertyville, IL
The 1997 Clark Landfill Failure At Indiana Harbor Works Ltv Steel Company, East Chicago, Indiana, William H. Walton, Clyde N. Baker Jr.
International Conference on Case Histories in Geotechnical Engineering
A rapid failure of approximately 900,000 cubic yards of fill and lake bed foundation soil occurred sometime between 7:00 a.m. and 8:00 a.m., on August 6, 1997. The 45-acre landfill was approximately 100 feet higher than Lake Michigan and slid on a layer of weak silty clay located 55 to 60 feet below the water surface of Lake Michigan. The horizontally-translating slide mass nearly blocked the operating intake flume to the No. 2 Intake Pump House for the steel mill cooling water. Figure 1 shows the plan location of the slide mass and scarp location. The slide mass extended approximately …
Tall Buildings And Their Foundations: Three Examples,
2013
Skidmore, Owings & Merrill LLP, Chicago, IL
Tall Buildings And Their Foundations: Three Examples, William F. Baker, Christopher Brown, James J. Pawlikowski, Dane S. Rankin
International Conference on Case Histories in Geotechnical Engineering
The influence of foundations on the design and behavior of tall buildings is explored by examining two built towers: Burj Khalifa, Trump International Hotel and Tower, and the partially built Plaza Rakyat, a 77 story tower in Malaysia. The paper reviews how foundation conditions were considered in the design of the buildings, and how the foundations were anticipated to influence the behavior of the towers.
A Report On The 2012 Seismic Sequence In Emilia (Northern Italy),
2013
University of Pisa, Italy
A Report On The 2012 Seismic Sequence In Emilia (Northern Italy), Diego C. F. Lo Presti, Mauro Sassu, Lucia Luzi, Francesca Pacor, Doriano Castaldini, Giovanni Tosatti, Claudia Meisina, Davide Zizioli, Francesco Zucca, Giuliano Rossi, Gilberto Saccorotti, Davide Piccinini
International Conference on Case Histories in Geotechnical Engineering
Since mid-May 2012, an energetic seismic sequence has affected the northern part of Italy and specifically a wide sector of the Po River Plain. The sequence has been dominated by two main events: a) Mw = 5.9 occurred near Finale Emilia on May 20th at a depth of 6.3 km, and b) Mw=5.8 occurred near Cavezzo on May 29th at a depth of 10.2 km (earthquake location are obtained Istituto Nazionale di Geofisica e Vulcanologia, http://iside.rm.ingv.it/). The effects of the two main shocks can be summarized as follows: - damage to infrastructures (roads, pipelines) essentially because of the occurrence of …
Dynamic Response Of Piles ─ Case Studies In India,
2013
Indian Institute of Technology Madras, India
Dynamic Response Of Piles ─ Case Studies In India, Boominathan Adimoolam, Krishna Kumar, Askar Zhussupbekov
International Conference on Case Histories in Geotechnical Engineering
Dynamic behavior of piles is strongly affected by the variation in the soil stiffness with depth and the interaction between the soil and the pile. The dynamic characteristics of the piles can be determined by using simple lumped mass models to complex finite element modeling. There is a need for experimental research, in particular large-scale field tests, to validate existing linear/nonlinear models, which are used to predict the dynamic stiffness and damping of the soil-pile system. The determination of dynamic characteristics of soil-pile system by full-scale lateral dynamic pile load testing is an important aspect in the design of pile …
Design Of A-Walls For Stabilization Of Slopes And Embankments In Soft Soils,
2013
Schnabel Engineering, West Chester, PA
Design Of A-Walls For Stabilization Of Slopes And Embankments In Soft Soils, Jesús E. Gómez, Carlos Englert, Helen D. Robinson
International Conference on Case Histories in Geotechnical Engineering
A-Wall systems are a combination of deep foundations and, in some cases, tiebacks used to provide lateral support to an unstable ground mass. Determination of the lateral and vertical forces acting on an A-Wall system can be a complex endeavor. As the unstable soil mass tends to move past and through the A-Wall system, forces are generated between the A-Wall elements and the soil. These forces provide support to the ground mass. If the A-Wall is correctly designed, the forces will increase as the soil moves until a maximum is attained at which ground movement ceases and the system reaches …
Ralph B. Peck, 1912 – 2008,
2013
University of Illinois at Urbana-Champaign, IL
Ralph B. Peck, 1912 – 2008, Gholamreza Mesri
International Conference on Case Histories in Geotechnical Engineering
Ralph B. Peck, one of the most influential engineers of the twentieth century with superb judgment and wisdom, was not only a gentleman but also a gentle man. It was, therefore, a real pleasure to work with him and it is a great pleasure remembering Ralph B. Peck.
Field Instrumentation — The Link Between Theory And Practice In Geotechnical Engineering,
2013
Norwegian Geotechnical Institute, Norway
Field Instrumentation — The Link Between Theory And Practice In Geotechnical Engineering, E. Dibiagio
International Conference on Case Histories in Geotechnical Engineering
Geotechnical engineers work in two worlds: a theoretical world where ideas and events can be represented by numbers and calculated to as many decimal points as one desires, and a practical world where observations and events can only be described in general qualitative terms. Numerical data, the end product of measurement, provides a quantitative link between the two worlds of theory and practice. Professor Ralph B. Peck, the father of the Observational method in geotechnical engineering, recognized early in his professional career the importance of field instrumentation and performance monitoring in geotechnical engineering, and he did a lot to promote …
Ralph Peck’S Circuitous Path To Professor Of Foundation Engineering (1930-48),
2013
Missouri University of Science and Technology
Ralph Peck’S Circuitous Path To Professor Of Foundation Engineering (1930-48), J. David Rogers
International Conference on Case Histories in Geotechnical Engineering
When most geoengineers hear the name of Ralph B. Peck (1912-2008) they usually associate him with the father of soil mechanics, the legendary Karl Terzaghi (1883-1963), because of their long professional association, between 1939-63. But, Peck’s professional career in geotechnics was also influenced by other engineers and geologists, whose ingenuity he admired and tried to emulate. Some of these are names easily recognized, even 100 years later, while others are all but forgotten. This article seeks to introduce the reader to some of those luminaries that played a role in shaping Ralph Peck’s career as one of the founders of …
The Case Of The New Tagus River Leziria Bridge,
2013
COBA Engineering and Environmental Consultants, Portugal
The Case Of The New Tagus River Leziria Bridge, Pedro Sêco E Pinto, Ricardo Oliveira, Alexandre Portugal
International Conference on Case Histories in Geotechnical Engineering
A brief description of the New Tagus River Leziria Bridge composed by 1695 m North Viaduct, by 970 m Main Bridge and by South Viaduct with a length of 9200 m is presented. The observed thickness of the foundation alluvia material varies between 35m and 55m with a maximum value of 62m. Hundred eighteen boreholes were performed with a depth between 21m and 71m and eight boreholes were performed from a maritime platform. Standard penetration tests (SPT) were carried out in all boreholes 1.5 m apart. In addition CPTu tests, seismic cone tests, crosshole and downhole tests were performed. In …
Tall Building Foundation Design – The 151 Story Incheon Tower,
2013
Coffey Geotechnics, Australia
Tall Building Foundation Design – The 151 Story Incheon Tower, Harry G. Poulos
International Conference on Case Histories in Geotechnical Engineering
The 151 storey super high-rise building is located in an area of reclaimed land constructed over soft marine clay in Songdo, Korea and is currently under design. This paper describes the design process in developing the foundation system of the supertall tower.The foundation design process described includes the initial stages of geotechnical site characterization using the results of investigation boreholes and geotechnical parameter selection, and a series of detailed two- and three-dimensional numerical analysis for the Tower foundation comprising 172 bored piles of varying length using finite element and boundary element methods. This paper will also provide a summary of …
Foundation Failure Case Histories Reexamined Using Modern Geomechanics,
2013
Purdue University, West Lafayette, IN
Foundation Failure Case Histories Reexamined Using Modern Geomechanics, Rodrigo Salgado, Andrei Lyamin, Jeehee Lim
International Conference on Case Histories in Geotechnical Engineering
Case histories have played an important role in guiding development of geotechnical engineering during a time when theory was not sophisticated enough to model even simple problems with an acceptable level of rigor. As the discipline transitions from overwhelming reliance on empiricism to a greater reliance on science, it is useful to reexamine the best known case histories as a general check on modern methods of analysis. In the engineering of foundations in clay, three case histories the collapses of the Transcona and Fargo grain elevators and the near collapse of the leaning tower of Pisa stand out. …
Observational Method For The Design Of A New Ground Improvement Concept Adapted To A Large-Scale Fast-Track Project,
2013
ISSMGE, Menard, Inc.
Observational Method For The Design Of A New Ground Improvement Concept Adapted To A Large-Scale Fast-Track Project, Serge Varaksin, Frédéric Massé
International Conference on Case Histories in Geotechnical Engineering
In 2007, the King of Saudi Arabia launched a large scale development program for the construction of a complete university campus on an existing lagoon. The fast-track project was to be completed within a period of 24 months leaving no time for the usual preliminary investigation and design phase. The 5,600,000 m2 site was selected north of Jeddah and a proper soil inves-tigation could not be completed ahead of the start of construction due to difficult site access and challenging existing soft soil condition. In addition to that, because the structural design or even the master plan had not been …
Tied-Back Wall Failure, Boston, Ma,
2013
GeoDesign, Inc., New York, NY
Tied-Back Wall Failure, Boston, Ma, Theodore Von Rosenvinge Iv
International Conference on Case Histories in Geotechnical Engineering
Excavation for Boston’s Central Artery project included one of the most interesting temporary excavation support system failures in recent history (1993). The wall moved much more than predicted at a depth of 41 feet, approximately 2/3 of the final 60 foot excavation depth. Jet grouting was used to stabilize the bottom of the excavation before proceeding to the full depth. The excavation support system provided space for a cut and cover section of Interstate I-90’s Third Harbor Tunnel approach to Logan Airport. The permanent structure is a concrete box section of the tunnel. The excavation system consisted of a tied-back …
Structural Damage Of A 5-Storey Building: Differential Settlement Due To Construction Of An Adjacent Building Or Because Of Construction Defects?,
2013
National Technical University of Athens, Greece
Structural Damage Of A 5-Storey Building: Differential Settlement Due To Construction Of An Adjacent Building Or Because Of Construction Defects?, Ioannis Anastasopoulos
International Conference on Case Histories in Geotechnical Engineering
The paper presents a case history of a 5-storey RC building in Athens (Greece), seriously damaged due to differential settlement. Built in 1968, the damaged structure is founded on spread footings, lying on very soft clayey soil. For more than 30 years, no damage had been observed. In 1999, construction of an adjacent 5-storey RC building begun, and shear cracks started appearing. Inclined at 45o, the cracks implied damage due to differential settlement. The owners of the damaged building filed a law suit, claiming that the damage was due to additional loading by the under-construction adjacent building. Measurements conducted in …
Natural Hazard Preparedness And Mitigation In India,
2013
BMTPC, India
Natural Hazard Preparedness And Mitigation In India, T. N. Gupta
International Conference on Case Histories in Geotechnical Engineering
Indian sub-continent is highly vulnerable to geological and hydro-meteorological hazards. Occurrences of hazard events like earthquakes, cyclones, floods, landslides have, more than often turned into disasters of varying severity with devastating impact on development process destroying human lives, property, livelihoods and social fabric. Efficient management of disasters, rather than mere response to their occurrence, has in recent decades, received an increasing attention of the national planners leading to the formulation of Disaster Management Act in 2005 by Government of India. The national policy enshrined in the Act marked a paradigm shift from the erstwhile post-disaster relief-centric approach to pro-active approach …
A Laboratory Study Of Strong And Weak Sandstones,
2013
Central Soil and Materials Research Station, India
A Laboratory Study Of Strong And Weak Sandstones, Arup Bandyopadhyay, Hasan Abdullah
International Conference on Case Histories in Geotechnical Engineering
The laboratory evaluation of four sandstones from three projects, Shwezaye H.E. Project, Myanmar, Ujh H.E. Project, J&K, India (two variants) and Ken- Betwa Link Project, M.P., India, is presented here. The study leads to three broad inferences: one, there could be very large variation between two sandstones; e.g., here, sandstone from Ken-Betwa, vis-à-vis other three (comparatively poor) sandstones, is superior in all respects (except grain density). Two, the three poor sandstones differ in respect of some – not all – properties and parameters. Three, none of the three poor sandstones is better than the other two in respect of all …
Arsenic Contamination Of Groundwater At The Middle Basin Of Ganges In India,
2013
University of Miyazaki, Japan
Arsenic Contamination Of Groundwater At The Middle Basin Of Ganges In India, Yasunori Yano, Kenichi Ito, Hiroshi Yokota, Koichiro Shiomori, Shigeki Tomomatsu, Mitsuhiro Sezaki
International Conference on Case Histories in Geotechnical Engineering
This paper shows the situation and mechanism of arsenic contamination of groundwater at the worst contaminated areas in UP (Uttar Pradesh) state, India, which is obtained from the integrated arsenic mitigation project by University of Miyazaki under the Japan International Cooperation Agency (JICA) Partnership Program (JPP). The project has been executed from 2008 until now. The integrated mitigation, such as the raising awareness of villager, installing of alternative water supply units and healthcare of arsenocosis patients, have been executed at the 2 villages. The symptom of the arsenocosis patients was not so severe, which will be, therefore, improved by drinking …
