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Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 194-202 doi: 10.1007/s11709-015-0292-z

Abstract: Considering the interactions between an embedded foundation and saturated soil, the torsional vibrationsof a cylindrical foundation embedded in a saturated poroelastic medium are analyzed in this paper.Both a rigid foundation and an elastic foundation are considered.Assuming both the side surface and the bottom surface of the foundation are perfectly bonded to soil,of an embedded cylindrical foundation are presented.

Keywords： embedded foundation     saturated soil     rigid foundation     elastic foundation     torsional vibration    

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Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 701-715 doi: 10.1007/s11709-018-0507-1

Abstract: The seismic performance of gravity dam-reservoir-foundation coupled system is investigated utilizingThe methodology is applied to Pine Flat gravity dam and the foundation is considered to be inhomogeneousThe effects of the deconvolution process, number of samples, and foundation inhomogeneity are investigated

Keywords： gravity dams     dam-reservoir-foundation interaction     seismic reliability     inhomogeneous foundation     earthquake    

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Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 82-93 doi: 10.1007/s11709-019-0575-x

Abstract: typical traffic immersed tunnels built in China, this paper details the features of the four dominant foundationtreatment methods for immersed tunnel construction: pile foundation, sand flow foundation, groutingfoundation, and gravel bedding foundation.Further, a comprehensive comparison of settlement and cost of these four foundation treatment methodsThe findings of this article could henceforth be applied to foundation treatment work in immersed tube

Keywords： foundation treatment method     immersed tunnel     subsoil stress     settlement    

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Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 299-304 doi: 10.1007/s11709-009-0035-0

Abstract: The similarity law of centrifuge test was developed for the seepage field and stress field of a foundationBased on the deep foundation pit of the Huangxing Road Station of the Shanghai metro line M8, the deformation

Keywords： foundation pit with confined water     centrifuge model test     seepage-stress coupling field     similarity relation    

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Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2,   Pages 461-477 doi: 10.1007/s11709-021-0705-0

Abstract: internal force of the piles, as well as inordinate settlement of soil surrounding the existing bridge foundationIt was found that the excavation depth and the distance between the foundation pit and the bridge foundationFor the FEM, the FE baseline model was calibrated based on the case of no bridge surrounding the foundationFurthermore, the lateral displacement of the bridge pile foundation, the internal force of the piles,and the settlement of the soil surrounding the pile foundation were emphatically analyzed.

Keywords： deep foundation pit excavation     adjacent bridge foundation     influencing factors     analytic hierarchy process    

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An efficient method for the dynamic interaction of open structure-foundation systems

LIU Jingbo, GU Yin, LI Bin, WANG Yan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 340-345 doi: 10.1007/s11709-007-0045-8

Abstract: The structure-foundation system is transformed from an original open system into an approximately hermeticThis procedure is highly efficient in analyzing dynamic structure-foundation interaction problems insource problem in 2-dimensions (2-D) elastic semi-infinite space, and the other is a dynamic structure-foundationThe results also indicate that the proposed method is more advantageous for solving large structure-foundation

Keywords： structure-foundation interaction     superposition     interaction problem     freedom     efficient    

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Response of basement wall in tall buildings foundation under lateral loading

Frontiers of Structural and Civil Engineering   Pages 1415-1423 doi: 10.1007/s11709-022-0885-2

Abstract: Conventionally, during the foundation design, engineers have not considered the basement wall contribution

Keywords： basement wall     lateral load     displacement     piled raft    

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Improved numerical method for time domain dynamic structure-foundation interaction analysis based on

DU Jianguo, LIN Gao

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 336-342 doi: 10.1007/s11709-008-0054-2

Abstract: finite element method (SBFEM), an improved time domain numerical approach for the dynamic structure-foundationWith reasonable choice of the number of base functions, the degrees of freedom on the structure-foundationIt may be concluded that the proposed approach is suitable for large-scale structure-foundation interaction

Keywords： structure-foundation interface     computational efficiency     different     suitable     numerical approach    

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Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic foundation

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 191-202 doi: 10.1007/s11465-014-0293-y

Abstract:

In present study, free vibration of cracked beams resting on two-parameter elastic foundation withComprehensive studies to analyze the effects of crack location, crack severity, parameters of elastic foundation

Keywords： free vibration     cracked beam     elastic foundation     restrained ends     differential transform method    

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Adaptability to geological faulted foundation of Hardfill dam

XIONG Kun, HE Yunlong, PENG Yunfeng

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 343-349 doi: 10.1007/s11709-008-0057-z

Abstract: Hardfill dam is a new type of dam which has the advantages of low stress level and even stress distribution in a dam body, resulting in low demands to foundations. Based on 2D linear elastic and elasto-plastic calculations of gravity dam and Hardfill dam using finite element method (FEM), the stress distribution in a dam body and anti-sliding stabilization is analyzed on the geological faulted foundations with weak weathered rock and soft interlayers. It is concluded that Hardfill dams have better adaptability to geological faulted foundations than gravity dams and is more secure and economically sound.

Keywords： weathered     elastic     geological faulted     FEM     gravity    

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Embankment dam foundation analysis for the decrease of internal erosion likelihood

Marc SMITH

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 431-436 doi: 10.1007/s11709-012-0183-5

Abstract: Major seepage phenomena were noticed in the foundation downstream from the dam where the vertical seepageglobal findings, a more detailed analysis was then conducted to identify zones where thickness of the foundationThis data was combined in a geostatistical model along with the measured piezometric levels in the foundationprovide an optimal solution, in terms of costs and effectiveness, for the long-term stabilization of the foundation

Keywords： seepage detection     geostatistical analysis     dam monitoring     internal erosion     LIDAR survey    

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Earthquake analysis of arch and gravity dams including the effects of foundation inhomogeneity

LIN Gao, DU Jianguo, HU Zhiqiang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 1,   Pages 41-50 doi: 10.1007/s11709-007-0004-4

Abstract: Dam-foundation interaction plays an important role in the design of earthquake-resistant concrete archIn this paper, the effect of foundation inhomogeneity on the seismic response of arch and gravity damsCases of foundation inhomogeneity with stiffness varying in accordance with an exponential function alongthe radial direction, and cases of foundation inhomogeneity with stiffness discontinuity and with weakTherefore, taking into account the effect of foundation inhomogeneity for the earthquake safety assessment

Keywords： selection     interlayer     damfoundation interaction     Geological     computational    

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Strategy and Countermeasure Research on Industrial Foundation Upgrading

Zhu Minghao, Zhang Zhibo, Yang Xiaoying, Gao Bo, Zang Jiyuan, Qu Xianming

Strategic Study of Chinese Academy of Engineering 2021, Volume 23, Issue 2,   Pages 122-128 doi: 10.15302/J-SSCAE-2021.02.018

Abstract:

The weak industrial foundation has been restricting the development ofAs a significant aspect for modern industrial system construction, industrial foundation upgrading, aimsIn this paper, we analyze the connotations of industrial foundation and industrial foundation upgradingThe general idea for promoting industrial foundation upgrading in China are proposed.The industrial foundation upgrading should be promoted by stages.

Keywords： industrial foundation     industrial foundation upgrading     new national system     chaining scheme     safeguard    

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Numerical evaluation of group-pile foundation subjected to cyclic horizontal load

Youngji JIN, Xiaohua BAO, Yoshimitsu KONDO, Feng ZHANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 196-207 doi: 10.1007/s11709-010-0021-6

Abstract: In this paper, three-dimensional (3D) finite element analyses of a real-scale group-pile foundation subjectedIn order to consider the influence of an effective stress path on the prediction of the group-pile foundationquite confident to say that the method can be used to predict the mechanical behaviors of group-pile foundation

Keywords： group-pile foundation     real-scale cyclic loading test     three-dimensional finite element method (3D-FEM)    

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Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 237-251 doi: 10.1007/s11709-014-0242-1

Abstract: Since the behavior of a soil-foundation system may significantly alter the response of the structureThe SFSI is modeled using a beam-on-nonlinear-winkler-foundation (BNWF) concept, where soil beneath thefoundation is assumed to be an assembly of discrete, nonlinear elements composed of springs, dashpotsThe sensitivity of both soil and model input parameters on shallow foundation responses are investigatedIt has been observed that the degree of accuracy in predicting the responses of the shallow foundation

Keywords： shallow foun dation     sensitivity analysis     centrifuge data     first-order-second-moment (FOSM) method     parameter uncertainty    

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Title Author Date Type Operation

Torsional vibrations of a cylindrical foundation embedded in a saturated poroelastic half-space

Dazhi WU,Lu YU

Journal Article

Evaluation of seismic reliability of gravity dam-reservoir-inhomogeneous foundation coupled system

Hamid Taghavi GANJI, Mohammad ALEMBAGHERI, Mohammad Houshmand KHANEGHAHI

Journal Article

Comparative study on foundation treatment methods of immersed tunnels in China

Shaochun WANG, Xuehui ZHANG, Yun BAI

Journal Article

Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Journal Article

Influencing factors and control measures of excavation on adjacent bridge foundation based on analytic

Shuangxi FENG, Huayang LEI, Yongfeng WAN, Haiyan JIN, Jun HAN

Journal Article

An efficient method for the dynamic interaction of open structure-foundation systems

LIU Jingbo, GU Yin, LI Bin, WANG Yan

Journal Article

Response of basement wall in tall buildings foundation under lateral loading

Journal Article

Improved numerical method for time domain dynamic structure-foundation interaction analysis based on

DU Jianguo, LIN Gao

Journal Article

Semi-analytical approach for free vibration analysis of cracked beams resting on two-parameter elastic foundation

Alborz MIRZABEIGY,Firooz BAKHTIARI-NEJAD

Journal Article

Adaptability to geological faulted foundation of Hardfill dam

XIONG Kun, HE Yunlong, PENG Yunfeng

Journal Article

Embankment dam foundation analysis for the decrease of internal erosion likelihood

Marc SMITH

Journal Article

Earthquake analysis of arch and gravity dams including the effects of foundation inhomogeneity

LIN Gao, DU Jianguo, HU Zhiqiang

Journal Article

Strategy and Countermeasure Research on Industrial Foundation Upgrading

Zhu Minghao, Zhang Zhibo, Yang Xiaoying, Gao Bo, Zang Jiyuan, Qu Xianming

Journal Article

Numerical evaluation of group-pile foundation subjected to cyclic horizontal load

Youngji JIN, Xiaohua BAO, Yoshimitsu KONDO, Feng ZHANG,

Journal Article

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article