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Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 4, Pages 855-866 doi: 10.1007/s11709-020-0619-2

Abstract: Scour depth around bridge piers plays a vital role in the safety and stability of the bridges.equations using particle swarm optimization as a metaheuristic approach to predict scour depth around bridgeMoreover, the ratio of pier width to flow depth and ratio of 50 (mean particle diameter) to flow depth

Keywords： scour depth bridge design and construction particle swarm optimization computational mechanics artificialintelligence bridge pier

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Seismic performance of precast hollow bridge piers with different construction details

Zhiqiang WANG,Jiping GE,Hongyi WEI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4, Pages 399-413 doi: 10.1007/s11709-014-0273-7

Abstract: , six specimens of hollow section bridge pier were designed and tested.The specimens consist of the monolithic cast-in-place concrete bridge pier, precast segmental prestressedpier with cast-in-place joint and precast segmental concrete bridge pier with dry joints.The bridge pier with bonded prestressed strands exhibits better energy dissipation capacity and higherThe bridge pier with both bonded prestressed strands at the edge of the section and un-bonded in the

Keywords： hollow pier seismic performance cyclic load precast concrete bridge columns

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Construction technology on pile foundation of No. 6 main pier in Dashengguan Yangtze Bridge

Hongbin YU , Zeping LIAN ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 339-343 doi: 10.1007/s11709-009-0047-9

Abstract: Based on pile foundation construction of No. 6 main pier, deep mudstone geological foundation and deep-waterconstruction in Nanjing-Dashengguan Yangtze Bridge, the method of super-large-diameter bored pile inThe results show that this method can ensure successfully the construction of pier foundation to satisfy

Keywords： PHP slurry KTY4000 drilling machine KPG3000A drilling machine spread drill

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Application and Research on Concrete-Filled Steel Bridge Piers

Zang Hua ,Liu Zhao

Strategic Study of CAE 2007, Volume 9, Issue 7, Pages 71-75

Abstract:

The characteristics of concrete-filled steel bridge piers were presentedThe status of application and research on concrete-filled steel bridge piers was summarized.The prospects of application and changing of its structural type of concrete-filled steel bridge piersOrder to promote future application and research of the new-style piers for bridge structures in China

Keywords： concrete-filled steel tube bridge pier application research

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Technology on settlement monitoring and evaluation in bridge pier in Beijing-Tianjin inter-city railway

Ding Yuanwen

Strategic Study of CAE 2009, Volume 11, Issue 1, Pages 43-47

Abstract: "text-align: justify;">Specific requirements and methods of settlement monitoring which are used in bridge

Keywords： Beijing-Tianjin inter-city railway bridge settlement monitoring evaluation

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Key technology research on construction for the middle tower of suspension bridge

Tian Wei,Liu Jianbo and You Xinpeng

Strategic Study of CAE 2012, Volume 14, Issue 5, Pages 23-28

Abstract:

The middle tower of Taizhou Bridge consists of deepwater caisson foundationBased on previous study, using the technology of up-stream and down-stream anchor pier positioning and

Keywords： Taizhou Bridge anchor pier positioning real time monitoring control measure in final stage whole process

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The design philosophy and bridge’s technical innovation of Hong Kong-Zhuhai-Macau Bridge

Meng Fanchao,Liu Minghu,Wu Weisheng,Zhang Gejun and Zhang Liang

Strategic Study of CAE 2015, Volume 17, Issue 1, Pages 27-35

Abstract: article introduces the project overview，construction goal and design philosophy of Hong Kong-Zhuhai-Macao Bridge

Keywords： steel tubular composite pile；method of prefabricated pier and pile cap embedded below seabed；?75 mm prestressing thicker reinforcing bar； orthotropic steel bridge deck； stayed cable with tensile

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Study of the mechanics of progressive collapse of FPB isolated beam-pier substructures

Jingcai ZHANG; Yong DING; Xinchun GUAN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6, Pages 718-728 doi: 10.1007/s11709-022-0815-3

Abstract: This paper presents a simplified model to assess the progressive collapse response of beam-pier substructure

Keywords： friction pendulum bearing progressive collapse horizontal stiffness compressive arching action catenary action

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Intelligent optimization of temperature control and crack prevention measures for sluice pier concrete

Huang Yaoying,Ding Yuemei,Lv Xiaoman and Xu Bailin

Strategic Study of CAE 2014, Volume 16, Issue 3, Pages 59-63

Abstract:

To the sluice pier concrete，temperature control and crack prevention is a complex and multi- factorconcrete material thermodynamics parameters，takes minimum values of the relationships between the sluice pierprincipal tensile stress duration curve and tensile strength growth curve as inputs and the sluice pierelement method（FEM）to simulate and analyze the temperature field and creep stress field of the sluice pier

Keywords： sluice pier superficial heat preservation water cooling pouring temperature intelligent optimization

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Antibodies Targeting a Conserved Surface Polysaccharide Are Protective Against a Wide Range of Microbial Pathogens Producing β-1–6-Linked Poly-N-Acetylglucosamine (PNAG)

Pier,

Engineering doi: 10.1016/j.eng.2023.09.012

Abstract: The β-1–6-linked poly-N-acetylglucosamine (PNAG) polymer is a conserved surface polysaccharide produced by many bacteria, fungi, and protozoan (and even filarial) parasites. This wide-ranging expression makes PNAG an attractive target for vaccine development, as it potentially encompasses a broad range of microorganisms. Significant progress has been made in discovering important properties of the biology of PNAG expression in recent years. The molecular characterization and regulation of operons for the production of PNAG biosynthetic proteins and enzymes have been studied in many bacteria. In addition, the physiological function of PNAG has been further elucidated. PNAG-based vaccines and PNAG-targeting antibodies have shown great efficacy in preclinical research. Furthermore, clinical tests for both vaccines and antibodies have been carried out in humans and economically important animals, and the results are promising. Although it is not destined to be a smooth road, we are optimistic about new vaccines and immunotherapeutics targeting PNAG becoming validated and eventually licensed for clinical use against multiple infectious agents.

Keywords： Poly- N -acetylglucosamine Conjugate vaccine Monoclonal antibody

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Major bridge development in Hong Kong, China—past, present and future

Michael CH HUI, Doris YAU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4, Pages 405-414 doi: 10.1007/s11709-011-0136-4

Abstract: The first “modern” type of vehicular bridge was built in Hong Kong China in the 1920s.Four of these bridges, including the Tsing Ma Bridge, Kap Shui Mun Bridge, Ting Kau Bridge, and the cable-stayedbridge on the Hong Kong- Shenzhen Western Corridor, are considered to be major bridges supported byAt the same time, the Hong Kong-Zhuhai-Macao Bridge will be in its detailed design stage soon.While efforts have been made by bridge builders to construct these giant structures, the upkeeping of

Keywords： Tsing Ma Bridge Kap Shui Mun Bridge Ting Kau Bridge Stonecutters Bridge Hong Kong-Zhuhai-Macao Bridge

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Numerical simulation of multi-body floating piers to investigate pontoon stability

Mostafa Shahrabi, Khosrow Bargi

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3, Pages 325-331 doi: 10.1007/s11709-013-0209-7

Abstract: The objective of this study is to develop a procedure to analyze the motions of a floating pier comprisedmooring system, low dependence on local soil conditions and tides, ability to relocate or reconfigure the pierA floating pier consists of a pier, access bridge, mooring system and fender system, each of which comesAs the first step, each type of pier is subjected to loading, and its general behavior is assessed.considerations, such as the maximum draft and longitudinal gradient, the dimensions of each module in each pier

Keywords： coastal structures numerical simulation floating pier rigid pontoons stability

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Precast steel–UHPC lightweight composite bridge for accelerated bridge construction

Shuwen DENG, Xudong SHAO, Xudong ZHAO, Yang WANG, Yan WANG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 2, Pages 364-377 doi: 10.1007/s11709-021-0702-3

Abstract: In this study, a fully precast steel–ultrahigh performance concrete (UHPC) lightweight composite bridge(LWCB) was proposed based on Mapu Bridge, aiming at accelerating construction in bridge engineering.Finite element analyses of Mapu Bridge showed that the nominal stress of critical sections could meet

Keywords： accelerated bridge construction ultrahigh-performance concrete steel–UHPC composite bridge UHPC girder-to-girder

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Vehicle-bridge coupled vibrations in different types of cable stayed bridges

Lingbo WANG,Peiwen JIANG,Zhentao HUI,Yinping MA,Kai LIU,Xin KANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1, Pages 81-92 doi: 10.1007/s11709-015-0306-x

Abstract: Numerical analyses of the coupled vibrations of vehicle-bridge system and the effects of different typesThe bridge model and vehicle model were independently built which have no internal relationship in theimposed on the vehicle and bridge models during the numerical analysis.The judging method, possibility, and criterion of the vehicle-bridge resonance (coupled vibrations) ofto cause vehicle-bridge resonance.

Keywords： vehicle-bridge coupled vibration cable stayed bridge resonances of vehicle-bridge system

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Pretest analysis of shake table response of a two-span steel girder bridge incorporating acceleratedbridge construction connections

Elmira SHOUSHTARI, M. Saiid SAIIDI, Ahmad ITANI, Mohamed A. MOUSTAFA

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1, Pages 169-184 doi: 10.1007/s11709-019-0590-y

Abstract: presents pretest analysis of a shake table test model of a 0.35-scale, two-span, steel plate girder bridgeThe objective of pretest analysis was to obtain an insight on the seismic response of the bridge modelThe bridge included seat type abutments, full-depth precast deck panels, and a two-column bent in whichSix accelerated bridge construction connections were incorporated in the bridge model.Using experimental fragility curves developed for RC bridge columns, it was predicted that there was

Keywords： shake table test accelerated bridge construction steel girder bridge OpenSEES UHPC simple for dead continuous

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Title Author Date Type Operation

Particle swarm optimization model to predict scour depth around a bridge pier

Shahaboddin SHAMSHIRBAND, Amir MOSAVI, Timon RABCZUK

Journal Article

Seismic performance of precast hollow bridge piers with different construction details

Zhiqiang WANG,Jiping GE,Hongyi WEI

Journal Article

Construction technology on pile foundation of No. 6 main pier in Dashengguan Yangtze Bridge

Hongbin YU , Zeping LIAN ,

Journal Article

Application and Research on Concrete-Filled Steel Bridge Piers

Zang Hua ,Liu Zhao

Journal Article

Technology on settlement monitoring and evaluation in bridge pier in Beijing-Tianjin inter-city railway

Ding Yuanwen

Journal Article

Key technology research on construction for the middle tower of suspension bridge

Tian Wei,Liu Jianbo and You Xinpeng

Journal Article

The design philosophy and bridge’s technical innovation of Hong Kong-Zhuhai-Macau Bridge

Meng Fanchao,Liu Minghu,Wu Weisheng,Zhang Gejun and Zhang Liang

Journal Article

Study of the mechanics of progressive collapse of FPB isolated beam-pier substructures

Jingcai ZHANG; Yong DING; Xinchun GUAN

Journal Article

Intelligent optimization of temperature control and crack prevention measures for sluice pier concrete

Huang Yaoying,Ding Yuemei,Lv Xiaoman and Xu Bailin

Journal Article

Antibodies Targeting a Conserved Surface Polysaccharide Are Protective Against a Wide Range of Microbial Pathogens Producing β-1–6-Linked Poly-N-Acetylglucosamine (PNAG)

Pier,

Journal Article

Major bridge development in Hong Kong, China—past, present and future

Michael CH HUI, Doris YAU

Journal Article

Numerical simulation of multi-body floating piers to investigate pontoon stability

Mostafa Shahrabi, Khosrow Bargi

Journal Article

Precast steel–UHPC lightweight composite bridge for accelerated bridge construction

Shuwen DENG, Xudong SHAO, Xudong ZHAO, Yang WANG, Yan WANG

Journal Article

Vehicle-bridge coupled vibrations in different types of cable stayed bridges