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Study on the interfacial shear behavior of steel reinforced concrete (SRC) members with stud connectors

Zihua ZHANG,Junhua LI,Lei ZHANG,Kai YU

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 140-150 doi: 10.1007/s11709-014-0250-1

Abstract: Statically push-out tests of 20 steel reinforced concrete short columns (SRCSC) with stud connectors

Keywords： steel reinforced concrete (SRC)     short column     stud connector     after fire     interfacial shear transfer    

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Modeling of shear walls using finite shear connector elements based on continuum plasticity

Ulf Arne GIRHAMMAR, Per Johan GUSTAFSSON, Bo KÄLLSNER

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 143-157 doi: 10.1007/s11709-016-0377-3

Abstract: The purpose is to present a new shear connector element based on the theory of continuum plasticity.Load-displacement curves for shear walls are calculated using the shear connector model and they are

Keywords： shear walls     wall diaphragms     finite element modelling     plastic shear connector     analytical modelling     experimental    

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Predicting the capacity of perfobond rib shear connector using an ANN model and GSA method

Guorui SUN; Jun SHI; Yuang DENG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1233-1248 doi: 10.1007/s11709-022-0878-1

Abstract: A connector is an important part of a composite beam, and its shear strength can have a significant impact

Keywords： perfobond rib shear connector     shear strength     ANN model     global sensitivity analysis    

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Behavior and strength of headed stud shear connectors in ultra-high performance concrete of composite

Jianan QI, Yuqing HU, Jingquan WANG, Wenchao LI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 5,   Pages 1138-1149 doi: 10.1007/s11709-019-0542-6

Abstract: This study presents an experimental and numerical investigation on the static behavior of headed studand experimental results indicated that the shear capacity is supposed to be composed of two parts studEven if the stud height was reduced from 6 to 2 , there was no reduction in the shear strength of astud.response of a stud.

Keywords： ultra-high performance concrete     studs     shear strength     FE analysis     push-out test    

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Analysis on the Performance of Lightwave in the Large-core Optical Fiber Connector

Wang Yunming,Sun Xiaohan,Zhang Mingde

Strategic Study of CAE 2002, Volume 4, Issue 10,   Pages 52-56

Abstract:

An analytical model for the large-core optical fiber connector is presented based on beam propagationIn the case of the linear and nonlinear (including sinusoidal and cosine) vertical section of connector, affections of the coupling length and coupling angle for the connector on the insert loss and couplingOptimum vertical section, length, and angle of the connector are obtained.

Keywords： beam propagation method (BPM)     large-core optical fibers     tapered connector     insert loss    

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Study on dynamic responses of connectors of modular offshore platform

He Xiaohui,Wang Jingquan,Sun Hongcai,Li Feng

Strategic Study of CAE 2010, Volume 12, Issue 11,   Pages 98-104

Abstract:

A rigid module rigid connector(RMRC) model is used to study the dynamicIt is assumed that the modular offshore platform is a whole structure and the connector loads are simplied

Keywords： modular offshore platform     connector     dynamic responses    

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Analysis and design of steel-concrete composite sandwich systems subjected to extreme loads

Kazi Md Abu SOHEL, Jat Yuen Richard LIEW, Min Hong ZHANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 278-293 doi: 10.1007/s11709-011-0120-z

Abstract: This paper presents the design guide based on analytical, numerical and experimental investigation of Steel-concrete-steel (SCS) sandwich structural members comprising a lightweight concrete core with density ranged from 1300 to 1445 kg/m subjected to static, impact and blast loads. The performance of lightweight sandwich members is also compared with similar members with normal weight concrete core and ultra high strength concrete core ( = 180 MPa). Novel J-hook shear connectors were invented to prevent the separation of face plates from the concrete core under extreme loads and their uses are not restricted by the concrete core thickness. Flexural and punching are the primary modes of failure under static point load. Impact test results show that the SCS sandwich panels with the J-hook connectors are capable of resisting impact load with less damage in comparison than equivalent stiffened steel plate panels. Blast tests with 100 kg TNT were performed on SCS sandwich specimens to investigate the key parameters that affect the blast resistance of SCS sandwich structure. Plastic yield line method is proposed to predict the plastic capacity and post peak large deflection of the sandwich plates. Finally, an energy balanced model is developed to analyze the global behavior of SCS sandwich panels subjected to dynamic load.

Keywords： blast load     composite structure     impact load     lightweight concrete     sandwich plate     J-hook connector    

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performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced polymer connector

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 122-137 doi: 10.1007/s11709-022-0894-1

Abstract: In this study, a novel diagonally inserted bar-type basalt fiber reinforced polymer (BFRP) connectorFirst, pull-out tests were conducted to evaluate the anchoring performance of the connector in concreteThereafter, direct shear tests were conducted to investigate the shear performance of the connector.BFRP connector were fabricated, and the out-of-plane flexural performance was tested under a uniformlyThe results obtained in this study primarily indicated that 1) the bar-type BFRP connector can achieve

Keywords： precast concrete sandwich panel     basalt fiber reinforced polymer     pull-out performance     shear performance     out-of-plane flexural performance    

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Experimental study on the CO2 foam injecting way of profile control and flooding in heterogeneous reservoirs

Zhao Jinsheng,Tan Junling,Gu Zhengfu,Liu Xiaochun

Strategic Study of CAE 2012, Volume 14, Issue 11,   Pages 88-93

Abstract:

Aiming at the characteristic of the formation water of Huaqing Chang 6 reservoir and taking the comprehensive foaming ability as evaluation index, 6 foaming agents were optimized. ZY-1 foaming agent was the optimal foaming agent, and the optimal foaming agent concentration and foam stabilizer concentration were 0.5 % and 764 mg/L respectively. On the basis of the foaming agent optimization result, using parallel cores with approximate permeability contrast，CO2 foam flooding experiment was simulated through 2 injection way. The experiment result showed that underground foaming way, CO2 and the foaming agent injected alternately, had higher plugging differential pressure and better displacement efficiency. The optimal injection slug combination was first 0.2 PV (pore volume) foaming agent solution and then 0.4 PV CO2 gas, and the total injected volume was 0.6 PV.

Keywords： heterogeneous reservoirs     CO2 foam     profile control and flooding     injection parameter     experimental stud    

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Title Author Date Type Operation

Study on the interfacial shear behavior of steel reinforced concrete (SRC) members with stud connectors

Zihua ZHANG,Junhua LI,Lei ZHANG,Kai YU

Journal Article

Modeling of shear walls using finite shear connector elements based on continuum plasticity

Ulf Arne GIRHAMMAR, Per Johan GUSTAFSSON, Bo KÄLLSNER

Journal Article

Predicting the capacity of perfobond rib shear connector using an ANN model and GSA method

Guorui SUN; Jun SHI; Yuang DENG

Journal Article

Behavior and strength of headed stud shear connectors in ultra-high performance concrete of composite

Jianan QI, Yuqing HU, Jingquan WANG, Wenchao LI

Journal Article

Analysis on the Performance of Lightwave in the Large-core Optical Fiber Connector

Wang Yunming,Sun Xiaohan,Zhang Mingde

Journal Article

Study on dynamic responses of connectors of modular offshore platform

He Xiaohui,Wang Jingquan,Sun Hongcai,Li Feng

Journal Article

Analysis and design of steel-concrete composite sandwich systems subjected to extreme loads

Kazi Md Abu SOHEL, Jat Yuen Richard LIEW, Min Hong ZHANG

Journal Article

performance of a façade precast concrete sandwich panel enabled by a bar-type basalt fiber-reinforced polymer connector

Journal Article

Experimental study on the CO2 foam injecting way of profile control and flooding in heterogeneous reservoirs

Zhao Jinsheng,Tan Junling,Gu Zhengfu,Liu Xiaochun

Journal Article