Behavior of piles and pile groups under lateral loads 1985. Pilesuite is a powerful suite of software products for deep foundation analysis and design for both onshore and offshore projects. Lc reese dept of civil eng, univ of texas, austin tx and wf van impe lab for soil mech, ghent univ. In this study, a series of experimental investigation was carried out on single and group pile subjected to monotonic lateral loadings. To study the pile groups behaviour, only a couple of field tests have been carried out because of the large costs incurred. Jun 18, 2015 pilelat 2014 is a finiteelement based program that analyzes the behaviour of single piles mainly under lateral loading based on py curves. Single piles and pile groups under lateral loading crc. Advances could be realized in the design of economical pilesupported foundations, and their behavior more accurately predicted, if the cap resistance can be accurately assessed. Static and dynamic lateral loading of pile groups u. Single piles and pile groups under lateral loading l ymon c. Nonlinear response of laterally loaded piles and pile groups. Single piles and pile groups under lateral loading 2nd edition reese, lymon c.
Single piles and pile groups under lateral loading reese. Innovative geotechnics provide geotechnical design tools for soilstructure interaction problems such as pile groups, laterally loaded piles, nonlinear py curve generation and rock socket design, including single piles or pile groups under lateral and vertical loading based on finite element method. Van impe the best single reference for laterallyloaded piles the complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and waterfront. Pdf the standard penetration test spt is nowadays widely used in geotechnical projects to characterize cohesionless soils due to its simplicity and. To understand the behavior of group of piles under lateral loading it is very much essential to know the behavior of single pile under lateral loading hence an effort has been made to study the behavior of single pile under lateral loading by. Ultimate lateral resistance and lateral subgrade modulus within a pile group are known as the key parameters in the soilpile interaction phenomenon. Single piles and pile groups under lateral loading by lymon c. Dynamic response of pile groups under lateral loading 91 table 3. Single piles and pile groups under lateral loading, 2nd. Dec 08, 20 this second edition of reese and van impes course book explores and explains lateral load design and procedures for designing piles and pile groups, accounting for the soil resistance, as related to the lateral deflection of the pile.
V an impe full professor ofcivil engineering, director laboratory for soil mechanics, ghent. Model study on the performance of singlefinned piles in. For all groups, the diameter of pile is 3ft and the piles are drilled to the depth of 50ft and 60ft under footing. Single piles and pile groups under lateral loading civil. Innovative geotechnics is an engineering company with the aim of researching and developing geotechnical design and analysis programs. Pile foundation design load on piles single pile design pile group design. Description about book single piles and pile groups under lateral loading from amazon the complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and. Single piles and pile groups under lateral loading pdf. Download single piles and pile groups under lateral loading 2nd edition pdf online. Investigation of the resistance of pile caps to lateral loading. Grouped and single pile behavior differs owing to the impacts of the piletopile interaction. The experimental results indicated that lateral load capacity of single pile and square pile.
Model study on the performance of singlefinned piles in clay. This book and cdrom not only provides the reader with an overview of procedures involved in the designing of piles and pile groups, but with. The complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and waterfront structures and retaining walls. Single piles and pile groups under lateral loading source. View in gallery three dimension of finite element mash for single pile and surrounded soil mass, view in gallery comparison of finite element results with field test data of ismael 1998. Innovative geotechnics provides innovative geotechnical design tools for soilstructure interaction and deep foundation problems such as single piles or pile groups under lateral and vertical loads. Floresberrones r, whitman rv 1981 seismic response of endbearing piles. Although fairly reliable methods are developed to predicate the lateral behavior of single piles, the lateral response of pile groups has attracted less attention due to the required high cost and complication implication. The objective of this research was to evaluate and extend current design methods for groups of piles and groups of drilled shafts subjected to lateral loads associated with earthquakes, hurricanes, and vessel impacts. One of the current approaches to the design of pilesupported structures in deep water is to place a cluster of piles along each of the four main legs of the platform. Many researchers have studied the response of piles in lateral loading. Pile groups subjected to lateral cyclic loading a comparison. The pile and soil were perfectly bonded, in which case.
Dynamic response of pile groups under lateral loading. Laterally loaded pile groups have a group efficiency less than 1. Axially loaded piles closelyspaced piles under lateral loading proposals for solving for influence coefficients for closelyspaced piles under axial loading analysis of an experiment with batter piles analysis of single piles and groups of piles subjected to active and passive loading nature of lateral loading active loading. The efficiencies increasing of the pile spacing from 3 to 6, the value of obtained were 0.
Describes how pile groups behave under lateral loading. Nonlinear efficiency of bored pile group under lateral loading. Mar 29, 2016 building a shipping container home ep02 moving, cutting, and framing a container house duration. Single piles and pile groups under lateral loading, lymon c. It contains four main software modules for nonlinear pile group analysis under general loading, laterally loaded single piles, axially loaded single piles and rock socket design. Van impe, williamsingle piles and pile groups under lateral. The program was developed to compute the distribution of loads vertical, lateral, and overturning moment up to three orthogonal axes applied from any multiple locations in the pile cap to piles arranged in a group. Present study have been carried out on different pile groups rather than single pile because of fact that group behavior of pile was different than single pile and piles generally used in groups in field. This research aims to study an alternative and novel technique to improve the lateral pile capacity in clay using fins at the top of piles. Generally, foundations of many structures, such as transmission towers, bridge abutments, ocean engineering structures, marine dolphins, dockfendering systems, and moorings are subjected to different modes of lateral loading.
Kausel e, ahmad s 1991 kinematic seismic response of single piles and piles groups. Single piles and pile groups under lateral loading taylor. Pdf analysis of pile group under lateral load researchgate. An experimental study on pile spacing effects under. Single piles and pile rows subjected to static and dynamic lateral load. This report documents a research program in which the following were developed. Single piles and pile groups under lateral loading 2nd. Single piles and piles groups under lateral loading. Watch single piles and pile groups under lateral loading, 2nd edition apitgay on dailymotion. This research provides a means of assessing and quantifying many important aspects of. The program of work performed in this study includes developing a fullscale field test facility, conducting approximately 30 lateral load tests on pile groups and pile caps, performing laboratory geotechnical tests on natural soils obtained from the site and on imported backfill. Single piles and pile groups under lateral loading reese, lymon c.
Both engineers and graduate students will be pleased with its modest cost in paperback. Pdf nonlinear efficiency of bored pile group under. For both formats the functionality available will depend on how. Laterally loaded pile groups, lateral load tests, statnamic load tests, dynamic loading, cyclic loading.
Single piles and pile groups under lateral loading book. The response of laterally loaded pile groups is a complicated soilstructure interaction problem. Single piles and pile groups under lateral loading lymon c. V an impe full professor ofcivil engineering, director laboratory for soil mechanics, ghent university professar, catholic university leuven, belgium. An experimental study on pile spacing effects under lateral loading in sand. Macroelement modelling of laterally loaded piles and pilegroups nikos gerolymos1 national technical university of athens orestis papakyriakopoulos technical university of munich abstract a macroelement model is presented for analysing the response of. Although fairly reliable methods are developed to predicate the lateral behavior of single piles, the lateral response of pile groups has attracted less attention due to. Single piles and pile groups under lateral loading unitn. Jan 01, 2000 single piles and pile groups under lateral loading, 2nd edition lymon c.
Doi link for single piles and pile groups under lateral loading. Macroelement modelling of laterally loaded piles and pile. Description about book single piles and pile groups under lateral loading from amazon the complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and waterfront structures and retaining walls. Lpile analysis of piles and drilled shafts under lateral. Single piles and pile groups under lateral loading gbv. F, 2001, single piles and pile groups under lateral loading, a. Single piles and pile groups under lateral loading, reese. Alrashid chair emeritus, department ofcivil engineering, university of. Use features like bookmarks, note taking and highlighting while reading single piles and. Novotech nuclear power plants numerical mathematics oasys octave office offshore olga optimization pavements pc games pdf phase2 physics. Performance of single pile under vertical and lateral load in sand. Pilesoil interface modeling of the pilesoil interface is crucial because of its signi. Techniques for designintroductionoccurrence of laterally loaded pilesnature of the soil responseresponse of a pile to kinds of loadingmodels for use in analyses of a single pilemodels for groups of piles under lateral loading status of current stateoftheart derivation of equations and methods of solutionintroductionderivation of the differential equationsolution for epy kpyx validity of.
Group is a wellaccepted tool for analyzing the behavior of pile groups subjected to both axial and lateral loadings. Single piles and pile groups under lateral loading 2nd edition by lymon c. Lateral loading of pile groups free download as pdf file. Tests were carried out on model piles with length to diameter ratios of 10, 20, 30, and 40. A key concern of bridge engineers is the design and performance of pile group foundations under lateral loading events, such as ship or ice impacts and earthquakes.
The piles in such a group would be in a circular pattern and spaced sufficiently close that significant interaction among piles in the soil would be expected. This second edition of reese and van impes course book explores and explains lateral load design and procedures for designing piles and pile groups, accounting for the soil resistance, as related to the lateral deflection of the pile. Analysis and design of eccentrically loaded group piles in. Single piles and pile groups under lateral loading kindle edition by reese, lymon c. Pdf design and analysis of single piles under lateral loads in. Single piles and pile groups under lateral loading is strongly recommended for foundation engineers dealing with laterally loaded pile foundations. Pile design software pile group analysis py curves. Alrashid chair emeritus, department ofcivil engineering, university of texas, austin, usa william f.
Dec 15, 2010 single piles and pile groups under lateral loading. Lateral capacity of pile groups the lateral deflection of a pile group is typically 2 to 3 times larger than the deflection of a single pile. Amplitude of exciting force angle of eccentric mass, 0 8 14 28 exciting force, n 379f2 6. Pilegrp is a spreadsheet program written in msexcel for the purpose of analysis of pile groups with rigid caps using the elastic method. Fullscale static and dynamic lateral loading of a single pile. Simplified analysis of laterally loaded pile groups. Pdf nonlinear efficiency of bored pile group under lateral. Single piles and pile groups under lateral loading scribd. Single piles and pile groups under lateral loading crc press book the complexities of designing piles for lateral loads are manifold as there are many forces that are critical to the design of big structures such as bridges, offshore and waterfront structures and retaining walls.
Single piles and pile groups under lateral loading 2 n d edition. Proposals for solving for influence coefficients for closelyspaced piles under axial loading analysis of an experiment with batter piles analysis of single piles and groups of piles subjected to active and passive loading nature of lateral loading active loading single piles or groups of piles subjected to active loading passive loading. Single piles and pile groups under lateral loading j3nojjyv1gld. Single piles and pile groups under lateral loading 2nd ed. W f van impe the field of lateral load design is a very complex one. Investigation of the resistance of pile caps to lateral. Pile head cyclic lateral loading of single pile springerlink. Books, geotechnical engineering, piles post a comment. Various py models are provided by pilelat 2014 for. According to the column loads, three numbers of piles, four numbers of piles and six numbers of piles are used for the group pile design. Single piles and pile groups under lateral loading applied.
Macroelement modelling of laterally loaded piles and pilegroups. One of the current approaches to the design of pile supported structures in deep water is to place a cluster of piles along each of the four main legs of the platform. As part of a research project to develop a framework for quantifying cyclic effects on piles, centrifuge model tests on single piles and pile groups in dry silica sand have been carried out at the. Pdf the pile group foundation is a geotechnical composite. The development of a probabilitybased reliability assessment methodology for single. From the analysis it can be concluded for laterally loaded piles group capacity is always less then than. Pilelat behaviour of single piles under lateral loading. Single piles and pile groups under lateral loading. Single piles and pile groups under lateral loading ebook. W f van impe the field of lateralload design is a very complex one.
The piles in such a group would be in a circular pattern and spaced sufficiently close that significant interaction among piles in. Pdf an experimental study on pile spacing effects under. Piles in trailing rows of pile groups have significantly less lateral load resistance than piles in the lead row. Pilelat is a finiteelement based program that analyzes the behaviour of single piles mainly under lateral loading based on py curves. Buy single piles and pile groups under lateral loading 2 by lymon c.
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