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Soil arching effect of Lattice-Shaped Diaphragm Wall as bridge foundation

Jiujiang WU, Lingjuan WANG, Qiangong CHENG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4, Pages 446-454 doi: 10.1007/s11709-017-0397-7

Abstract: As a new type of bridge foundation, Lattice-Shaped Diaphragm Wall (hereinafter for LSDW) is highly concernedIt turns out to be that a differential wall-soil settlement can be found at the lower location of soilmeanwhile, the differential settlement degree can reflect the exertion degree of soil arching; the shapeof soil arching; the soil arching effect is significantly influenced by the distance of two adjacent wall

Keywords： LSDW soil arching PFC^2D shape of soil arching influencing factors

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The construction and key techniques of the Fourth Nanjing Yangtze River Bridge

Wu Huanling

Strategic Study of CAE 2013, Volume 15, Issue 8, Pages 4-11

Abstract: It overcomes the deep foundation design and construction technical problems of oversized "∞" shape diaphragm wall and ultra-large well-sinking under complicated geological conditions

Keywords： construction management key technical innovation complicated geological conditions oversized “∞” shapediaphragm wall ultra-large well-sinking

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Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1, Pages 93-100 doi: 10.1007/s11709-009-0015-4

Abstract: Rectangular-closed-diaphragm-wall foundation is a new type of bridge foundation.Diaphragm wall-soil-cap interaction was studied using a model test.Due to the existence of cap, there is a “weakening effect” in inner shaft resistance of the upper wallsegments, and there is “enhancement effect” in the lower wall segments and in toe resistance.

Keywords： diaphragm wall bridge foundation low cap interaction

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The design of the south anchorage diaphragm wall for the Fourth Nanjing Yangtze River Bridge

Dong Meng,Jia Lifeng,Li Dan

Strategic Study of CAE 2013, Volume 15, Issue 8, Pages 26-30

Abstract: The braced excavation system applied can be described as shaft diaphragm wall foundation with the planesection of "∞" shape including two 1.5 m-thick 59 m-diameter semi-circle and one 1.5thick separation wall, and total length of 82 m and width of 59 m.The form of "∞" shape is superior than that of circle and rectangular by smaller planearea, larger cross sectional moment of inertia, smaller radius, smaller circumferential stress of diaphragm

Keywords： anchorage diaphragm wall “∞”shape the Fourth Nanjing Yangtze River Bridge

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The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4, Pages 398-420 doi: 10.1007/s11709-012-0175-5

Abstract: The rectangular closed diaphragm (RCD) wall is a new type of bridge foundation.as well as the settlement, axial force and load-sharing ratio of a vertically loaded RCD wall.It was found that under lateral loading, the RCD wall behaves as an end-bearing friction wall duringpoint, and the horizontal displacement of the soil core is greater than that of the wall body.resistance of the wall body and is inversely proportional to the loading borne by the soil core.

Keywords： diaphragm wall soil core bridge foundation FLAC3D bearing behavior

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Finite element modeling of thermo-active diaphragm walls

Yi RUI, Mei YIN

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3, Pages 646-663 doi: 10.1007/s11709-020-0584-9

Abstract: wall.It is demonstrated that the thermal operation of the diaphragm wall causes changes in soil temperature, thermal expansion/shrinkage of pore water, and total stress applied on the diaphragm wall.These, in turn, cause displacements of the diaphragm wall and variations of the bending moments.However, these effects on the performance of diaphragm wall are not significant.

Keywords： thermo-active diaphragm wall finite element analysis thermo-hydro-mechanical coupling ground source heat

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Parametric sensitivity analysis of cellular diaphragm wall

Xi CHEN, Wei XU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4, Pages 358-364 doi: 10.1007/s11709-012-0177-3

Abstract: The deformation law of the cellular diaphragm wall in deep foundation pits was studied through numericalInteraction between the cellular diaphragm wall and the soil was also taken into account in the calculationwall.partition wall and the thickness of the wall.partition wall.

Keywords： cellular diaphragm wall sensitivity analysis optimization centrifuge model test

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Multi-scale investigation of active failure for various modes of wall movement

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4, Pages 961-979 doi: 10.1007/s11709-021-0738-4

Abstract: Retained backfill response to wall movement depends on factors that range from boundary conditions toHence, various modes of wall movement (translation and rotation) toward the active state are modeledcoefficients and coordination numbers, as respective macro and micro behavior indicators, on particle shapepressure distribution and deformation mechanisms are discussed with reference to the associated modes of wall

Keywords： discrete-element modelling granular materials retaining walls particle shape arching

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Power performance of circular piezoelectric diaphragm generators

TANG Kehong, KAN Junwu, YANG Zhigang, CHENG Guangming, PENG Taijiang

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 4, Pages 434-440 doi: 10.1007/s11465-008-0069-3

Abstract: Simulation results show that there are optimal structural parameters and load for a composite diaphragmA piezoelectric diaphragm generator with given dimensions tends to achieve higher output power under

Keywords： clamped boundary energy-harvesting composite diaphragm piezoelectric composite maximum

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behavior of stiffened joints between concrete-filled steel tubular column and steel beam with narrow outer diaphragm

Chunyan QUAN,Wei WANG,Jian ZHOU,Rong WANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 3, Pages 333-344 doi: 10.1007/s11709-016-0357-7

Abstract: engineering which was between concrete-filled steel tubular column and steel beam with narrow outer diaphragmOn the contrary, the inner diaphragm and inner stiffeners had limited impacts on the hysteretic behaviorThere was no hysteresis damage fracture on the narrow outer diaphragm connected to the concrete-filled

Keywords： narrow outer diaphragm concrete-filled tubular column joint inner and outer stiffening cyclic behavior

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An extended thermo-mechanically coupled algorithm for simulation of superelasticity and shape memoryeffect in shape memory alloys

S. HASHEMI,H. AHMADIAN,S. MOHAMMADI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4, Pages 466-477 doi: 10.1007/s11709-015-0300-3

Abstract: Thermo-mechanical coupling in shape memory alloys is a very complicated phenomenon.lead to temperature-dependent variation of its mechanical behavior in the forms of superelasticity and shapealgorithm is proposed based on the original model of Lagoudas to efficiently model both superelasticity and shape

Keywords： shape memory alloy thermo-mechanical coupling superplasticity shape memory effect

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Numerical simulation of squat reinforced concrete wall strengthened by FRP composite material

Ali KEZMANE,Said BOUKAIS,Mohand Hamizi

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4, Pages 445-455 doi: 10.1007/s11709-016-0339-9

Abstract: The intent of this paper is to present a numerical simulation of squat reinforced concrete wall strengthened

Keywords： simulation strengthening reinforced concrete wall squat wall FRP composite material damage Abaqus

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Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3, Pages 376-382 doi: 10.1007/s11709-010-0086-2

Abstract: Pre-tensioned high strength trusses using alloy steel bar are widely used as glass wall supporting systemsIt is not uncommon to see many similar glass wall systems fail in the wind load test chambers under a

Keywords： tension system glass wall nonlinear analysis pre-tensioning second-order analysis

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A novel shape memory alloy actuated soft gripper imitated hand behavior

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0700-8

Abstract: The limited length shrinkage of shape memory alloy (SMA) wire seriously limits the motion range of SMA-basedwithout silicone gel was designed based on pre bent SMA wire, and the finger was back to its original shape

Keywords： shape memory alloy (SMA) pre bent wire gripper grasping mode lightweight

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Seismic response of precast reinforced concrete wall subjected to cyclic in-plane and constant out-of-plane

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1128-1143 doi: 10.1007/s11709-021-0753-5

Abstract: This paper provides insight into the seismic behavior of a full-scale precast reinforced concrete wallThe tested wall exhibited flexural cracks, owing to the high aspect ratio and considerable out-of-planeThe wall performed satisfactorily by exhibiting competent seismic parameters and deformation characteristicsto study the effect of backfill density and aspect ratio on seismic response of the proposed precast wall

Keywords： precast wall basement wall out-of-plane response quasi-static test sand backfill seismic parameters