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3D fracture modelling and limit state analysis of prestressed composite concrete pipes

Pengfei HE, Yang SHEN, Yun GU, Pangyong SHEN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 165-175 doi: 10.1007/s11709-018-0484-4

Abstract: In this manuscript, we study fracture of prestressed cylindrical concrete pipes.Such concrete pipes play a major role in tunneling and underground engineering.

Keywords： cylindrical concrete structures     limit state analysis     3D fracture modelling     prestressed composite pipes    

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Investigating the influence of delamination on the stiffness of composite pipes under compressive transverse

Sattar MALEKI, Roham RAFIEE, Abolfazl HASANNIA, Mohammad Reza HABIBAGAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1316-1323 doi: 10.1007/s11709-019-0555-1

Abstract: The effect of delamination on the stiffness reduction of composite pipes is studied in this research.The stiffness test of filament wound composite pipes is simulated using cohesive zone method.including delamination size and its position with respect to loading direction on stiffness of the compositepipes.Then the finite element model is developed for composite pips with delaminated areas with different primary

Keywords： delamination     composite pipes     stiffness test     cohesive zone method    

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Seismic performance of fabricated continuous girder bridge with grouting sleeve-prestressed tendon composite

Frontiers of Structural and Civil Engineering   Pages 827-854 doi: 10.1007/s11709-023-0954-1

Abstract: In this study, a fiber element model of a fabricated concrete pier with grouting sleeve-prestressed tendoncomposite connections was built and verified.a cast-in-place reinforced concrete pier, a grouting sleeve-fabricated pier, and a grouting sleeve-prestressedtendon composite fabricated pier.The composite fabricated pier had a good self-centering capability.

Keywords： seismic performance     continuous girder bridge     grouting sleeve-prestressed tendon composite connections    

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Structural optimization of filament wound composite pipes

Roham RAFIEE; Reza SHAHZADI; Hossein SPERESP

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 8,   Pages 1056-1069 doi: 10.1007/s11709-022-0868-3

Abstract: An optimization procedure is developed for obtaining optimal structural design of filament wound compositepipes with minimum cost utilized in pressurized water and waste-water pipelines.Then, proper computational tools are developed for predicting the structural properties of the compositepipes based on the design architecture of layers.

Keywords： composite pipes     optimization     experimental validation     computational modeling     filament winding    

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Determining the optimum economic insulation thickness of double pipes buried in the soil for district

Fating LI, Pengfei JIE, Zhou FANG, Zhimei WEN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 170-185 doi: 10.1007/s11708-020-0680-5

Abstract: The insulation thickness (IT) of double pipes buried in the soil (DPBIS) for district heating (DH) systems

Keywords： double pipes     optimization model     optimum insulation thickness     minimum annual total cost    

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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: In the prestress tensioning process of medium or short span prestressed concrete beam bridges, thereTo solve the above problems, a new concept of repeatedly prestressed bridge structure was innovativelyproved, through theoretical and experimental comparison between this new structure and the traditional prestressedconcludes that there is a bright application prospect for this new structure for medium and short span prestressed

Keywords： computational     cracking     technology     prestressed concrete     application prospect    

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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: Therefore, this study examines the deflection behavior of the carbon fiber reinforced polymer(CFRP) prestressedtemperature dependent changes of effective modulus of FRP in predicting the deflection behavior of CFRP prestressedThis 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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On the seismic stability analysis of reinforced rock slope and optimization of prestressed cables

Wenbo ZHENG, Xiaoying ZHUANG, Yongchang CAI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 132-146 doi: 10.1007/s11709-012-0152-z

Abstract: finite element method is developed to evaluate the seismic stability of reinforced rock slopes where the prestressedThe stabilization effects of prestressed cables on the seismic stability of the slope are studied, the

Keywords： high rock slope     reinforced system     optimization     prestressed cable     seismicity    

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Erosion-corrosion failure of REAC pipes under multiphase flow

Ping TANG, Jian YANG, Jinyang ZHENG, Shizheng HE, Jianjun YE, Guofu OU, Ieong WONG, Yanbao MA,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 389-395 doi: 10.1007/s11708-009-0045-6

Abstract: predictive method was proposed to explore the erosion failure of reactor effluent air cooler (REAC) pipesBy CFD numerical simulations, the exact position where some typical pipes thinned and failed rapidly

Keywords： multiphase flow     erosion-corrosion     pipes     reactor effluent air cooler (REAC)     computational fluid dynamics    

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Experimental study on GFRP pipes under axial compression

QIAN Peng, FENG Peng, YE Lieping

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 73-78 doi: 10.1007/s11709-008-0013-y

Abstract: The behavior of pultruded glass fiber reinforced polymer (GFRP) pipes, which are the members of long-spanShort GFRP pipes were first tested to determine the basic mechanical properties.Then the stability of long GFRP pipes was studied by axially compressive tests in four groups with differentBased on the results of the tests and literature, the formula of the buckling load of composite pipes

Keywords： anti-corrosive     compression     different slenderness     corrosive environment     long-span light-weight    

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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: In the present paper, experimental results from tests on eight prestressed RPC I-section girders failingof 120 MPa in compression were designed to assess the ability to carry shear stress in thin webbed prestressed

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

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Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 63-66 doi: 10.1007/s11709-009-0006-5

Abstract: They were coupled with 8-node finite elements to compute the compressive deformation of the prestressedThe results indicate that when the prestressed force acts on the anchor segment, the stresses and displacements

Keywords： infinite element     prestressed anchor     couple     finite element    

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Application of Ice Pigging in a Drinking Water Distribution System: Impacts on Pipes and Bulk Water Quality

Yujing Huang,Zhiwei Chen,Guilin He,Yu Shao,Shuang Song,Feilong Dong,Tuqiao Zhang,

Engineering doi: 10.1016/j.eng.2023.09.016

Abstract: Chloride concentration analysis demonstrated that separate cleaning of pipes with different materialscharacterization results showed that ice pigs would scarcely disturb the inner surfaces of long-used pipes

Keywords： Ice pigging     Pipe cleaning     Drinking water distribution system     Bacterial community     Sediments    

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Lifting installation and prestressed cable construction of suspendome roof for Wuhan Gymnasium

GUO Zhengxing, SHI Kairong, LUO Bin, TIAN Qiliang, WU Julong, BI Shuiyong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 1,   Pages 87-92 doi: 10.1007/s11709-008-0005-y

Abstract: the roof, the lifting installation of upper latticed shell and the installation and tension of lower prestressed

Keywords： practical     new-type     installation     consistent     Gymnasium    

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Seismic performance of prestressed concrete stand structure supporting retractable steel roof

Yiyi CHEN, Dazhao ZHANG, Weichen XUE, Wensheng LU

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 117-124 doi: 10.1007/s11709-009-0024-3

Abstract: The seismic behavior of a structural system composed of pre-stressed concrete stand supporting a retractable steel roof was studied, which is typically based on the prototype of engineering project of Shanghai Qizhong Tennis Center. By elasto-plastic finite element analysis and shaking table test, the following were investigated: the effects of roof configurations in opening and closing, the effect of pre-stress on the structural seismic response, and the failure mechanism of the spatial stand frame systems featured with circularly arranged columns and inverse-cone type stands. It was found that the roof status has great effect on the natural period, vibration modes, and seismic response of the whole structure, the stand response to horizontal seismic excitation is stronger in roof opening configuration than in closing state, and the response mode is dominantly translational rather than rotational, though the stand is characterized by its fundamentally torsional vibration mode. The study indicated that the pre-stressed inverse-cone stands can keep the system from global side-sway collapse under gravity loads, even in the case that most columns loose moment capacity.

Keywords： retractable steel roof     prestressed concrete     seismic performance     failure mode     inelastic response     shaking    

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Title Author Date Type Operation

3D fracture modelling and limit state analysis of prestressed composite concrete pipes

Pengfei HE, Yang SHEN, Yun GU, Pangyong SHEN

Journal Article

Investigating the influence of delamination on the stiffness of composite pipes under compressive transverse

Sattar MALEKI, Roham RAFIEE, Abolfazl HASANNIA, Mohammad Reza HABIBAGAHI

Journal Article

Seismic performance of fabricated continuous girder bridge with grouting sleeve-prestressed tendon composite

Journal Article

Structural optimization of filament wound composite pipes

Roham RAFIEE; Reza SHAHZADI; Hossein SPERESP

Journal Article

Determining the optimum economic insulation thickness of double pipes buried in the soil for district

Fating LI, Pengfei JIE, Zhou FANG, Zhimei WEN

Journal Article

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

SHAO Xudong, LI Lifeng, YANG Jianjun

Journal Article

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

Mohammed FARUQI, Mohammed Sheroz KHAN

Journal Article

On the seismic stability analysis of reinforced rock slope and optimization of prestressed cables

Wenbo ZHENG, Xiaoying ZHUANG, Yongchang CAI

Journal Article

Erosion-corrosion failure of REAC pipes under multiphase flow

Ping TANG, Jian YANG, Jinyang ZHENG, Shizheng HE, Jianjun YE, Guofu OU, Ieong WONG, Yanbao MA,

Journal Article

Experimental study on GFRP pipes under axial compression

QIAN Peng, FENG Peng, YE Lieping

Journal Article

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

Hui ZHENG, Zhi FANG, Bin CHEN

Journal Article

Calculation of prestressed anchor segment by 3D infinite element

Yanfen WANG, Hongyang XIE, Yuanhan WANG

Journal Article

Application of Ice Pigging in a Drinking Water Distribution System: Impacts on Pipes and Bulk Water Quality

Yujing Huang,Zhiwei Chen,Guilin He,Yu Shao,Shuang Song,Feilong Dong,Tuqiao Zhang,

Journal Article

Lifting installation and prestressed cable construction of suspendome roof for Wuhan Gymnasium

GUO Zhengxing, SHI Kairong, LUO Bin, TIAN Qiliang, WU Julong, BI Shuiyong

Journal Article

Seismic performance of prestressed concrete stand structure supporting retractable steel roof

Yiyi CHEN, Dazhao ZHANG, Weichen XUE, Wensheng LU

Journal Article