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Detection of damage locations and damage steps in pile foundations using acoustic emissions with deep

Alipujiang JIERULA, Tae-Min OH, Shuhong WANG, Joon-Hyun LEE, Hyunwoo KIM, Jong-Won LEE

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 318-332 doi: 10.1007/s11709-021-0715-y

Abstract: The aim of this study is to propose a new detection method for determining the damage locations in pilefoundations based on deep learning using acoustic emission data.distance from the pile cap ( ).Finally, a new damage detection and evaluation method for pile foundations is proposed.This new method is capable of continuously detecting and evaluating the damage of pile foundations in

Keywords： pile foundations     damage location     acoustic emission     deep learning     damage step    

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Integrated fuzzy lectotype optimization for pile－style foundations of offshore wind turbines

Zhai Gangjun,Li Yugang,Kang Haigui

Strategic Study of CAE 2010, Volume 12, Issue 11,   Pages 40-46

Abstract: Because of the difficulties met in conception design of offshore wind turbines foundations, a multi-leveland multi-factor fuzzy optimization model has been used in lectotype optimization of foundations.Considering various 13 factors of optimization objects and 4 design types of pile-style foundation, themethod has been successfully used to an offshore wind farm for the lectotype optimization of pile-stylefoundations.

Keywords： offshore wind turbines     pile-style foundation     lectotype optimization     fuzzy decision    

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Design and construction of Sutong Bridge deep-water main pylon foundations

Ren Huixing,Ouyang Xiaoyong,He Maosheng,Yang Hong,Sun Keqiang

Strategic Study of CAE 2009, Volume 11, Issue 3,   Pages 38-43

Abstract: , foundation design and construction, introduces some considerations in the designing of main-pylon foundationsas deep water, tidal effect, soft stratum and heavy traffic, during the construction of main-pylon foundations

Keywords： Sutong Bridge     group-pile foundation     steel cofferdam     scour protection    

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Influence of site conditions on seismic design parameters for foundations as determined via nonlinear

Muhammad Tariq A. CHAUDHARY

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 275-303 doi: 10.1007/s11709-021-0685-0

Abstract: The geotechnical parameters required for the design of foundations include mass density ( ), dampingThe need to incorporate and in the metrics for determining , , and for the seismic design of foundations

Keywords： site effects     1D seismic site response analysis     sensitivity analysis     foundations     shear wave velocity     soil    

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Model testing of tripod caisson foundations in silty clay subjected to eccentric lateral loads

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 467-476 doi: 10.1007/s11709-023-0933-6

Abstract: In this study, model tests were conducted to investigate the bearing capacities of tripod caisson foundationsLateral load–rotation curves of five eccentric-shaped tripod suction foundations were plotted to analyzeIt was observed that the loading angle significantly influenced the bearing capacity of the foundations, particularly for eccentric tripod caisson foundations.Compared with eccentric tripod caisson foundations, the traditional tripod foundation has a relatively

Keywords： tripod caisson foundation     silty clay     eccentric lateral capacity     model tests    

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Finite element prediction on the response of non-uniformly arranged pile groups considering progressivefailure of pile-soil system

Qian-Qing ZHANG, Shan-Wei LIU, Ruo-Feng FENG, Jian-Gu QIAN, Chun-Yu CUI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4,   Pages 961-982 doi: 10.1007/s11709-020-0632-5

Abstract: A uniform arrangement of individual piles is commonly adopted in the conventional pile group foundationLarge differential settlement of pile groups will decrease the use-safety requirements of building, evenThis paper presents a finite element analysis on the response of pile groups with different layouts ofindividual piles in pile groups.Furthermore, the response of non-uniformly arranged pile groups, e.g., individual piles with variable

Keywords： numerical simulation     non-uniformly arranged pile groups     differential settlement     pile-soil interaction    

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Assessment of an alternative to deep foundations in compressible clays: the structural cell foundation

Sergio A. MARTÍNEZ-GALVÁN, Miguel P. ROMO

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 67-80 doi: 10.1007/s11709-017-0399-5

Abstract: This type of foundation seems to be a highly competitive alternative to the friction pile-box foundationsfrom appreciably smaller concrete volumes required for building the structural cell than the friction pile-boxConsidering these facts and others regarding scheduling, it was decided to replace 48-friction pile-boxfoundations specified in the master plan project by this new type of foundation.The overall behavior of these cell foundations over a five-year period is fared from close visual observations

Keywords： deep foundations     bearing capacity     resistant moment     structural cell     3D numerical modeling    

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Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1196-1211 doi: 10.1007/s11709-022-0865-6

Abstract: Sandy gravel foundations exhibit non-linear dynamic behavior when subjected to strong ground motions,Grouting methods can be used to improve the seismic performance of natural sandy gravel foundations.The strength and stiffness of grouted sandy gravel foundations are different from those of natural foundationsFew studies have investigated the seismic behavior of sandy gravel foundations before and after groutingAdditionally, the dynamic stress-strain relationships of the two foundations were obtained by a linear

Keywords： sandy gravel foundation     grouting-treated reinforcement     shaking table test     seismic behavior    

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Study on load bearing characteristic of cast in situ DX group pile with numerical analysis

Zhang Qinglin,Chen Lihong

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 51-59

Abstract:

This paper analyzes 4 types of group-pile which contains 4 piles withThe main conclusions are: group pile effect of DX pile increases sharply when pile spacing decreases；the bearing capacity of 3D spacing group-pile is 1.32 times larger than that of 1.5D spacing group-pile；effect coefficient of group-pile increases from 0.59 to 0.78 when spacing increases from 1.5D to 3D；when the spacing of pile increases.

Keywords： DX pile     group-pile     settlement     numerical analysis    

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Optimum lateral extent of soil domain for dynamic SSI analysis of RC framed buildings on pile foundations

Nishant SHARMA, Kaustubh DASGUPTA, Arindam DEY

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 62-81 doi: 10.1007/s11709-019-0570-2

Abstract: SSI model for a 12 storied building frame, supported on pile foundation-soil system, is developed in

Keywords： soil structure interaction     optimum lateral extent of soil domain length     multi-storyed framed building     pile    

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Influence of axial load on the lateral pile groups response in cohesionless and cohesive soil

Jasim M. ABBASA,Zamri CHIK,Mohd Raihan TAHA

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 176-193 doi: 10.1007/s11709-015-0289-7

Abstract: The response in this assessment considered lateral pile displacement and lateral soil resistance andThe improved plots can be used for lateral loaded pile design and to produce the group action designThe effect of load combination on the lateral pile group response was performed on three pile group configurations(i.e., 2×1, 2×2 and 3×2) with four pile spacings (i.e., = 2 , 4 , 6 and 8 ).group relative to that for the single pile in case of pure lateral load.

Keywords： piles     pile group     spacing     configuration     combined load    

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Case study of DX single pile settlement

Tang Songtao,Yuan Xiyu,Chen Lihong

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 41-45

Abstract:

DX pile which is typical varied cross-section pile has a different loadtransfer mechanism compared to straight pile.The bearing capacity of the pile is increased, while the settlement is significantly reduced at the sameThis paper compares the settlement characteristics of DX pile and straight pile on the basis of lotsof projects to verify the DX pile settlement formula and the reliability of correction factor.

Keywords： DX pile     straight pile     settlement     correction coefficient    

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Innovative piled raft foundations design using artificial neural network

Meisam RABIEI, Asskar Janalizadeh CHOOBBASTI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 138-146 doi: 10.1007/s11709-019-0585-8

Abstract: Several studies have been conducted to understand the behavior of these types of foundations, which areIn this model pile diameter, pile length, and pile spacing is considered as an input parameter that can

Keywords： innovative design     piled raft foundation     neural network     optimization    

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Application of fuzzy analytic hierarchy process model on determination of optimized pile-type

Lei MA, Shuilong SHEN, Jinhui ZHANG, Yang HUANG, Feng SHI

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 252-257 doi: 10.1007/s11709-010-0017-2

Abstract: Pile-type selection is a very important stage of foundation design, and there are many field factorsinfluencing the decision of pile-type selection.In this study, AHP combined with fuzzy synthetic evaluation method is employed to select the type of pileThe results show that fuzzy AHP approach is an easy and efficient way for pile-type selection.

Keywords： pile type     fuzzy synthetic evaluation     analytic hierarchy process (AHP)     optimal selection    

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Comparison of shallow tunneling method with pile and rib method for construction of subway station in

Sina AMIRI; Ali Naghi DEHGHAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 704-717 doi: 10.1007/s11709-021-0746-4

Abstract: the present study, a comparison between the new shallow tunneling method (STM) and the traditional pile

Keywords： shallow tunneling method     pile and rib method     ground surface settlement     subway station construction    

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Title Author Date Type Operation

Detection of damage locations and damage steps in pile foundations using acoustic emissions with deep

Alipujiang JIERULA, Tae-Min OH, Shuhong WANG, Joon-Hyun LEE, Hyunwoo KIM, Jong-Won LEE

Journal Article

Integrated fuzzy lectotype optimization for pile－style foundations of offshore wind turbines

Zhai Gangjun,Li Yugang,Kang Haigui

Journal Article

Design and construction of Sutong Bridge deep-water main pylon foundations

Ren Huixing,Ouyang Xiaoyong,He Maosheng,Yang Hong,Sun Keqiang

Journal Article

Influence of site conditions on seismic design parameters for foundations as determined via nonlinear

Muhammad Tariq A. CHAUDHARY

Journal Article

Model testing of tripod caisson foundations in silty clay subjected to eccentric lateral loads

Journal Article

Finite element prediction on the response of non-uniformly arranged pile groups considering progressivefailure of pile-soil system

Qian-Qing ZHANG, Shan-Wei LIU, Ruo-Feng FENG, Jian-Gu QIAN, Chun-Yu CUI

Journal Article

Assessment of an alternative to deep foundations in compressible clays: the structural cell foundation

Sergio A. MARTÍNEZ-GALVÁN, Miguel P. ROMO

Journal Article

Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Journal Article

Study on load bearing characteristic of cast in situ DX group pile with numerical analysis

Zhang Qinglin,Chen Lihong

Journal Article

Optimum lateral extent of soil domain for dynamic SSI analysis of RC framed buildings on pile foundations

Nishant SHARMA, Kaustubh DASGUPTA, Arindam DEY

Journal Article

Influence of axial load on the lateral pile groups response in cohesionless and cohesive soil

Jasim M. ABBASA,Zamri CHIK,Mohd Raihan TAHA

Journal Article

Case study of DX single pile settlement

Tang Songtao,Yuan Xiyu,Chen Lihong

Journal Article

Innovative piled raft foundations design using artificial neural network

Meisam RABIEI, Asskar Janalizadeh CHOOBBASTI

Journal Article

Application of fuzzy analytic hierarchy process model on determination of optimized pile-type

Lei MA, Shuilong SHEN, Jinhui ZHANG, Yang HUANG, Feng SHI

Journal Article

Comparison of shallow tunneling method with pile and rib method for construction of subway station in

Sina AMIRI; Ali Naghi DEHGHAN

Journal Article