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Phase Ⅲ RCC Cofferdam Construction of TGP

Zhang Shuguang

Strategic Study of CAE 2003, Volume 5, Issue 11,   Pages 79-81

Abstract:

The phase Ⅲ RCC cofferdam construction belongs to the phase Ⅲ diversion works.construction site and duration, both the concreting intensity and the rise height of the phase Ⅲ RCC cofferdam

Keywords： TGP     RCC cofferdam     concrete    

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Science and Technology Innovation of the Deep Water High Earth-rock Cofferdam in the Three Gorges Project

Dai Huichao

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 11-16

Abstract:

The deep water high earth-rock cofferdam in the 2nd phase construction of TGP is a hard and challengeDuring the period from 1998 to 2002, the cofferdam protected the construction pit of the left-bank damThe quality of the cofferdam is good, and it fulfilled the historical tasks satisfactorily.research, the design and construction, the organization and management, the safety monitor and the cofferdam

Keywords： TGP     deep water high earth-rock     cofferdam     design constraction    

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Studies on several dynamics problems in the design of the explosion water-well with steel-inner

Gu Wenbin,Chen Xueping,Liu Jianqing

Strategic Study of CAE 2013, Volume 15, Issue 10,   Pages 71-79

Abstract: problems in the design of explosion well, such as the influence of thickness of the steel-inner and concretecofferdam thickness to the force and deformation of the steel, setting the bubble curtain in the wellWhen the thickness of steel lining is 20 mm, plussing 0.5 m thick concrete cofferdam,the explosion wellWhen the thickness of the steel-inner is 20 mm and the thickness of concrete cofferdam is over 0.35 m

Keywords： with steel-inner     dynamics analysis     stress and strain response     numerical simulation     bubble curtain     concretecofferdam    

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A DSS for Management on the Jointly Discharging of Overtopped Cofferdam

Fang Debin,Wang Xianjia,Hu Zhigen

Strategic Study of CAE 2003, Volume 5, Issue 1,   Pages 62-68

Abstract:

Management on the jointly discharging of overtopped cofferdam is a typical semi-structured problemdecision support system is designed to address the management on the jointly discharging of overtopped cofferdam

Keywords： overtopped cofferdam     construction diversion management     decision support system (DSS)    

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The lowering as a whole technology of Sutong Bridge 5 800 t weigh steel cofferdam

Zhang Xiongwen,Ren Huixing

Strategic Study of CAE 2010, Volume 12, Issue 2,   Pages 22-26

Abstract: construction condition of deep water and high speed current, the exactly construction of the steel cofferdamThis paper discussed the lowering as a whole technology of Sutong Bridge 5 800 t weigh steel cofferdamIn which, the design combined the coping of bored piles construction platform with bottom of steel cofferdam

Keywords： Sutong Bridge     large steel cofferdam     fabrication     lowering as a whole     synchronousness controlling    

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Slender reinforced concrete shear walls with high-strength concrete boundary elements

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 138-151 doi: 10.1007/s11709-022-0897-y

Abstract: Reinforced concrete structural walls are commonly used for resisting lateral forces in buildings.Owing to the advancements in the field of concrete materials over the past few decades, concrete mixesof high compressive strength, commonly referred to as high-strength concrete (HSC), have been developedThe finite-element model of a conventional normal-strength concrete (NSC) prototype wall was validatedCold joints resulting from dissimilar concrete pours in the web and boundary elements of the HSC wall

Keywords： slender walls     high-strength concrete     rectangular and barbell-shaped walls     cold joints    

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Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Frontiers of Structural and Civil Engineering   Pages 935-947 doi: 10.1007/s11709-023-0964-z

Abstract: Extrudability is one of the most critical factors when designing three-dimensional printable foam concretethe foam stability which necessitates the investigation into surfactant properties particularly for concreteprinted foam concrete are scarce.characteristics on the stability, extrudability, and buildability of three-dimensional printed foam concreteUnlike traditional foam concrete, the variation in the stabilizer concentration and density of concrete

Keywords： foam concrete     3D printable concrete     stability     rheology     air void microstructure    

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Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fineconcrete shells

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0955-0

Abstract: This paper proposes an innovative column composed of a core column (including both reinforced concrete(RC) and plain concrete (PC) columns) and a prefabricated textile-reinforced fine concrete (TRC) shellTo study the confinement properties of TRC shells on this novel type of concrete column, 20 circularFour key parameters, including the column size, reinforcing ratio of the carbon textile, concrete strengthanalytical model that can be used to calculate the stress–strain curves of prefabricated TRC shell-confined concrete

Keywords： textile-reinforced fine concrete     prefabricated shell     confined concrete column     confinement properties    

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Computational modeling of fracture in concrete: A review

Luthfi Muhammad Mauludin, Chahmi Oucif

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 586-598 doi: 10.1007/s11709-020-0573-z

Abstract: This paper presents a review of fracture modeling of concrete.The complex material, such as concrete, has been widely used in construction industries and become trendingBased on comprehensive literature review, there are two main approaches considered to-date of concreteof this review is to provide insight comparison from different techniques in modeling of fracture in concreteAs heterogeneity of concrete material is major concern in micromechanical-based concrete modeling, one

Keywords： concrete fracture     macroscopic     micromechanical     heterogeneity    

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Experimental study on shear behavior of prestressed reactive powder concrete I-girders

Hui ZHENG, Zhi FANG, Bin CHEN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 618-627 doi: 10.1007/s11709-018-0500-8

Abstract: As a new generation of concrete, RPC(Reactive Powder Concrete) has attracted great research attentionRPC, as a new concrete, was different from normal concrete and fiber reinforced concrete.

Keywords： prestressed concrete     RPC(Reactive Powder Concrete)     concrete beams     shear strength     experimental study    

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Influence of steel corrosion on axial and eccentric compression behavior of coral aggregate concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1415-1425 doi: 10.1007/s11709-021-0786-9

Abstract: To study the behavior of coral aggregate concrete (CAC) column under axial and eccentric compression,

Keywords： coral aggregate concrete column     axial compression     eccentric compression     steel corrosion     calculation    

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Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 271-283 doi: 10.1007/s11709-022-0896-z

Abstract: reinforced mortar is widely used as an overlay for the repair, rehabilitation, and retrofitting of concreteRecently, textile reinforced concrete has been identified as a suitable lining material for improvingthe durability of existing concrete structures.that showed the best performance in the abovementioned tests was examined for use as an overlay for a concreteInvestigations were performed on three different thicknesses of the textile reinforced mortar overlaid on concrete

Keywords： textile reinforced mortar     bending tests     acid and alkaline environment     concrete overlay    

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Scheme comparison on large-scale infrastructure construction in shoal areas

Xian Zhengquan,Liang Jinda,Zhao Lei

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 29-32

Abstract: style="text-align: justify;">This article described the successful experience of using steel sheet pile cofferdamConstructing steel pile cofferdam in advance on cap construction instead of steel platform can reduce

Keywords： shoal area     large-scale infrastructure     steel sheet pile     cofferdam on building island    

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Deflection behavior of a prestressed concrete beam reinforced with carbon fibers at elevated temperatures

Mohammed FARUQI, Mohammed Sheroz KHAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 81-91 doi: 10.1007/s11709-018-0468-4

Abstract: this study examines the deflection behavior of the carbon fiber reinforced polymer(CFRP) prestressed concretedependent changes of effective modulus of FRP in predicting the deflection behavior of CFRP prestressed concreteThis model is compared with a finite element mode (FEM) of a simply supported concrete beam prestressed

Keywords： FRP     CFRP     concrete     elevated temperatures     deflections     prestress    

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Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 411-428 doi: 10.1007/s11709-023-0928-3

Abstract: In this study, ultrahigh-performance fiber-reinforced concrete (UHPFRC) used in a type B70 concrete sleeperfrom these tests are measured and compared with those of a control sleeper manufactured using normal concreteSubsequently, the results of the study are applied to UHPFRC sleepers with different concrete volumesSleepers manufactured using UHPFRC with a steel fiber volume fraction of 1% and a concrete volume less

Keywords： pre-stressed concrete sleeper     ultrahigh performance fiber-reinforced concrete     pull-out test     static    

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Title Author Date Type Operation

Phase Ⅲ RCC Cofferdam Construction of TGP

Zhang Shuguang

Journal Article

Science and Technology Innovation of the Deep Water High Earth-rock Cofferdam in the Three Gorges Project

Dai Huichao

Journal Article

Studies on several dynamics problems in the design of the explosion water-well with steel-inner

Gu Wenbin,Chen Xueping,Liu Jianqing

Journal Article

A DSS for Management on the Jointly Discharging of Overtopped Cofferdam

Fang Debin,Wang Xianjia,Hu Zhigen

Journal Article

The lowering as a whole technology of Sutong Bridge 5 800 t weigh steel cofferdam

Zhang Xiongwen,Ren Huixing

Journal Article

Slender reinforced concrete shear walls with high-strength concrete boundary elements

Journal Article

Stability of three-dimensional printable foam concrete as function of surfactant characteristics

Journal Article

Confinement properties of circular concrete columns wrapped with prefabricated textile-reinforced fineconcrete shells

Journal Article

Computational modeling of fracture in concrete: A review

Luthfi Muhammad Mauludin, Chahmi Oucif

Journal Article

Experimental study on shear behavior of prestressed reactive powder concrete I-girders

Hui ZHENG, Zhi FANG, Bin CHEN

Journal Article

Influence of steel corrosion on axial and eccentric compression behavior of coral aggregate concrete

Journal Article

Experimental investigation on concrete overlaid with textile reinforced mortar: Influences of mix, temperature

Journal Article

Scheme comparison on large-scale infrastructure construction in shoal areas

Xian Zhengquan,Liang Jinda,Zhao Lei

Journal Article

Deflection behavior of a prestressed concrete beam reinforced with carbon fibers at elevated temperatures

Mohammed FARUQI, Mohammed Sheroz KHAN

Journal Article

Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete

Journal Article