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Bearing and uplift capacities of under-reamed piles in soft clay underlaid by stiff clay using lower-bound

Mantu MAJUMDER, Debarghya CHAKRABORTY

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 537-551 doi: 10.1007/s11709-021-0708-x

Abstract: The bearing and uplift capacities of under-reamed piles are estimated through non-dimensional factorsThe results of this study are expected to be useful for the estimation of the bearing and uplift capacities

Keywords： bearing capacity     uplift capacity     under-reamed pile     clay     limit analysis    

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Numerical analysis on uplift bearing characteristic of cast in situ DX pile

Chen Lihong,Zhang Qinglin,Yuan Xiyu

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 31-36

Abstract:

This paper analyzes DX single pile with 2 bearing plates on its resistanceof uplift load by numerical analysis method.curve and axial force of DX pile are obtained,and the conclusions based on the analysis are drawn.The upliftbearing capacity of DX single pile is about more than twice larger than that of the normal single pileand its bearing plates work out from the upper to the lower order, while when the bearing capacity reaches

Keywords： DX pile     uplift bearing capacity     numerical analysis    

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Construction characteristics and effects of DX pile

Tang Songtao,Chen Lihong,Peng Wen

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 37-40

Abstract: So that the form of pile shaft, bells and pile tip bearing the load together can be achieved.DX pile has not only high bearing capacity, but also effectively controlled settlement of pile deformationThe static load test of a highway bridge foundation shows that the bearing capacity of DX pile is moreMeanwhile, the ascending displacements of anchor piles are less than 1 mm, which means even in the uplift

Keywords： DX pile     bearing capacity     settlement     uplift    

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Discussion on formula for anti pull bearing capacity of DX pile

Yuan Xiyu,He Dexin,Chen Lihong

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 69-73

Abstract:

When the DX-pile is under uplift load, the pile-soil interaction consistsof pile shaft resistance and uplift resistance provided by the bells which effectively raises the uplift-pileultimate bearing capacity.capacity.This paper calculates the bearing capacity of DX-pile and compares it with the measured value on the

Keywords： DX-pile     uplift capacity     resistance of load carrying plate     calculation methods    

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Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 4,   Pages 446-455 doi: 10.1007/s11709-013-0227-5

Abstract: The kinematic approach of the limit analysis was employed to find the upper-bound limit of the bearingcapacity.It was found that the bearing capacity has a decreasing trend with increase in the groundwater flow gradientand hence, a reduction factor has been introduced to the third term in the bearing capacity equation

Keywords： foundation     bearing capacity     limit analysis     numerical computation     plasticity     seepage    

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Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 566-583 doi: 10.1007/s11709-023-0905-x

Abstract: The analysis of the bearing capacity of strip footings sited near an excavation is critical in geotechnicseffects of the geometrical features of the excavation and the soil strength properties on the seismic bearingcapacity of a strip footing resting on an excavation were evaluated using the lower and upper boundsDesign charts and tables were produced to clarify the relationship between the undrained seismic bearingcapacity and the selected parameters.

Keywords： excavation     finite element limit analysis     heterogeneous soil     strip footing     undrained bearing capacity    

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Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1016-1024 doi: 10.1007/s11709-021-0751-7

Abstract: use of recycled tire-derived aggregate (TDA) mixed with kaolin as a method of increasing the ultimate bearingcapacity ( UBC) of a strip footing.

Keywords： kaolin     physical modeling tests     stabilization     numerical modeling    

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Experimental research on the creep behavior and bearing capacity of repeatedly prestressed concrete beam

SHAO Xudong, LI Lifeng, YANG Jianjun

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 305-311 doi: 10.1007/s11709-007-0040-0

Abstract: strain and deformation due to repeated prestressing in terms of time was derived in this paper and the bearingcapacity of this new structure has been tested.

Keywords： computational     cracking     technology     prestressed concrete     application prospect    

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Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1494-1503 doi: 10.1007/s11709-021-0768-y

Abstract: The problem related to bearing capacity of footing either on pure soil or on pure rock mass has beenCurrently, no study deals with the bearing capacity of strip footing on a cohesive soil layer overlyingin conjunction with the second-order cone programming and the power cone programming, the ultimate bearingcapacity of a strip footing located on a cohesive soil overlying rock mass is determined in this studycapacity of strip footing is expressed in terms of influence factor (If) for different

Keywords： bearing capacity     soil-rock interface     Hoek−Brown yield criterion     plasticity     limit analysis    

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Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavements

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 2,   Pages 215-221 doi: 10.1007/s11709-017-0401-2

Abstract: To facilitate long term infrastructure asset management systems, it is necessary to determine the bearingcapacity of pavements.under dynamic loads and is a useful tool for infrastructure administrations to analyze the pavement bearingcapacity.

Keywords： semi-analytical finite element method     bearing capacity     asphalt pavements     moving loads     dynamic response    

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Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 478-489 doi: 10.1007/s11709-021-0698-8

Abstract: to investigate the applicability of reliability theory on surface square/rectangular footing against bearingcapacity failure using fuzzy set theory in conjunction with the finite element method.criterion, where both associated and non-associated flow rules are considered in estimating the ultimate bearingcapacity of the footing.

Keywords： finite element method     square footing     reliability analysis     fuzzy set theory     coefficient of variation     spatial variability    

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Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway stations

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 763-779 doi: 10.1007/s11709-023-0917-6

Abstract: Test results show that the strata restraint effect effectively improves the energy dissipation capacity, load-bearing capacity, and the recoverability of the internal deformation of the precast sidewall components

Keywords： underground structures     precast sidewall specimen     seismic test method     bearing capacity     energy dissipationcapacity     plastic deformation    

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New pile foundation technology of 21 Century: DX pile

Wang Mengshu,He Dexin,Tang Songtao

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 4-12

Abstract:

As a kind of old construction form, pile foundation still plays a tremendous role nowadays. The fast developing and innovation of technology promote new types of pile constantly emerging, which has been a huge success. DX pile is one of those piles and has been widely used. The author illustrates the development, technological characters, advantages, research progress both at home and abroad, and engineering applications of DX pile.

Keywords： DX pile     bearing mechanism     bearing capacity     settlement    

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Study on property comparison of DX pile casted in place with vario us quantities of bearing bells

Zhang Dehua,Qi Wanpeng,He Dexin

Strategic Study of CAE 2012, Volume 14, Issue 1,   Pages 26-30

Abstract:

Based on numerical simulation, bearing capacity and settlement controlwith 2 bells and DX piles with 3 bells are presented in condition of identical length, diameter, and bearingcapacity.As to bearing capacity, DX piles with 2 bells are 1.5 times greater than that of the straight piles,The paper can provide theoretical references for the design of bearing capacity of DX piles during the

Keywords： DX pile     quantity of bearing bells     bearing capacity     settlement    

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The Experimental Research on Affecting Factors on Bearing Capacity of Steel Fiber Reinforced Concrete

Sun Chengfang,Gu Qian,Chen Xizi,Peng Shaomin

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 79-83

Abstract: the deformation at the mid-point on the bottom of specimens and the strain of concrete and tension bearingsteel bar, the main factors which affect the ultimate bearing capacity of SFRC two-pile thick cap are

Keywords： steel fiber     fiber reinforced concrete     pile thick cap     bearing capacity     affecting factors    

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Title Author Date Type Operation

Bearing and uplift capacities of under-reamed piles in soft clay underlaid by stiff clay using lower-bound

Mantu MAJUMDER, Debarghya CHAKRABORTY

Journal Article

Numerical analysis on uplift bearing characteristic of cast in situ DX pile

Chen Lihong,Zhang Qinglin,Yuan Xiyu

Journal Article

Construction characteristics and effects of DX pile

Tang Songtao,Chen Lihong,Peng Wen

Journal Article

Discussion on formula for anti pull bearing capacity of DX pile

Yuan Xiyu,He Dexin,Chen Lihong

Journal Article

Foundations bearing capacity subjected to seepage by the kinematic approach of the limit analysis

Mehdi VEISKARAMI, Ghasem HABIBAGAHI

Journal Article

Undrained seismic bearing capacity of strip footing adjacent to a heterogeneous excavation

Journal Article

Ultimate bearing capacity of strip footing resting on clay soil mixed with tire-derived aggregates

Journal Article

Experimental research on the creep behavior and bearing capacity of repeatedly prestressed concrete beam

SHAO Xudong, LI Lifeng, YANG Jianjun

Journal Article

Effect of interface adhesion factor on the bearing capacity of strip footing placed on cohesive soil

Journal Article

Application of semi-analytical finite element method to analyze the bearing capacity of asphalt pavements

Pengfei LIU, Dawei WANG, Frédéric OTTO, Markus OESER

Journal Article

Reliability assessment of three-dimensional bearing capacity of shallow foundation using fuzzy set theory

Rajarshi PRAMANIK, Dilip Kumar BAIDYA, Nirjhar DHANG

Journal Article

Effect of strata restraint on seismic performance of prefabricated sidewall joints in fabricated subway stations

Journal Article

New pile foundation technology of 21 Century: DX pile

Wang Mengshu,He Dexin,Tang Songtao

Journal Article

Study on property comparison of DX pile casted in place with vario us quantities of bearing bells

Zhang Dehua,Qi Wanpeng,He Dexin

Journal Article

The Experimental Research on Affecting Factors on Bearing Capacity of Steel Fiber Reinforced Concrete

Sun Chengfang,Gu Qian,Chen Xizi,Peng Shaomin

Journal Article