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Crack detection for wading-concrete structures using water irrigation and electric heating

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 368-377 doi: 10.1007/s11709-022-0926-x

Abstract: Cracking in wading-concrete structures has a worse impact on structural safety compared with conventionalconcrete structures.accurate and timely monitoring of crack development plays a significant role in the safety of wading-concreteBased on this, a novel crack-identification method for underwater concrete structures is presented.A series of tests was conducted on a reinforced-concrete beam using this system.

Keywords： structural health monitoring     underwater concrete structure     fiber Bragg grating     crack detection     temperature    

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Monitoring corrosion of reinforcement in concrete structures via fiber Bragg grating sensors

Zhupeng ZHENG, Xiaoning SUN, Ying LEI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 316-319 doi: 10.1007/s11465-009-0040-y

Abstract: Corrosion of steel and rebar in concrete structures is one of the most frequent reasons for civil infrastructureThus, improving the effective corrosion sensor technology can greatly reduce cost and provide safe structuresHowever, assessing the corrosion condition of rebars is not simple because they are buried in concretepaper, using fiber Bragg grating (FBG), a corrosion sensor for monitoring steel rebars embedded in a concreteBased on the fact that the volume and diameter of a rebar embedded in concrete will enlarge due to corrosion

Keywords： fiber Bragg grating (FBG)     corrosion     concrete structures     accelerated corrosion test    

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Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 234-239 doi: 10.1007/s11709-009-0020-7

Abstract: This paper aims to study the different vertical displacements in tall hybrid-structures and the correspondingFirst, the method to calculate the different vertical displacements in tall hybrid-structures is presentedBased on the concrete creep and shrinkage calculation formula in American Concrete Institute (ACI) codesample calculation, the measures to effectively reduce the different vertical displacements in hybrid-structuresand practical in the calculation of different vertical displacements in tall and super-tall hybrid-structures

Keywords： creep     shrinkage     construction process     hybrid-structure    

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Research on recycled concrete and its utilization in building structures in China

Jianzhuang XIAO, Tao DING

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 215-226 doi: 10.1007/s11709-013-0212-z

Abstract: This paper presents a brief introduction to current shaking table test research in China on structuresbuilt with recycled aggregate concrete (RAC).Test structures include a cast-in situ frame model, a precast frame model and a block masonry buildingmaterial in seismic areas, with recommended modifications and proper design, especially in low-rise structures

Keywords： recycled aggregate concrete (RAC)     structural material     shaking table tests     building structure    

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Damage assessment and diagnosis of hydraulic concrete structures using optimization-based machine learning

Frontiers of Structural and Civil Engineering   Pages 1281-1294 doi: 10.1007/s11709-023-0975-9

Abstract: In this study, the characteristics of the curvature modes in concrete structures are analyzed and a methodSubsequently, various indices for the damage diagnosis of concrete structures based on the curvatureA damage assessment method for concrete structures is established using an artificial bee colony backpropagationThe proposed damage assessment method for dam concrete structures comprises various modal parameters,identification and assessment for most concrete structures.

Keywords： hydraulic structure     curvature mode     damage detection     artifical neural network     artificial bee colony    

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Materials-oriented integrated design and construction of structures in civil engineering—A review

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 24-44 doi: 10.1007/s11709-021-0794-9

Abstract: Material-oriented integrated design and construction of structures (MIDCS) combine materials engineeringexplore real-world examples of MIDCS, including the realization of MIDCS in timber seismic-resistant structures, masonry arch structures, long-span steel bridges, prefabricated/on-site extruded light-weight steelstructures, fiber-reinforced cementitious composites structures, and fiber-reinforced polymer bridgemanufacturing are briefly reviewed and discussed to demonstrate how MIDCS can combine materials and structures

Keywords： integrated design and construction     fiber-reinforced concrete     fiber-reinforced polymer     light-weightsteel structures     digital fabrication     composites    

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Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1387-1402 doi: 10.1007/s11709-020-0645-0

Abstract: paper, an efficient strategy to model and simulate the progressive collapse of multi-story reinforced concrete

Keywords： failure mechanism     MBS dynamic analysis     gravity loads     structure-ground contact     structure-structure contact     energy conserving/decaying scheme    

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Shear assessment of compression flanges of structural concrete T-beams

Bj?rn SCHüTTE,Viktor SIGRIST

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 354-361 doi: 10.1007/s11709-014-0082-z

Abstract: classical assumptions have to be adapted; in particular by considering the strain dependence of the concrete

Keywords： concrete structures     structural assessment     stress field analysis     shear    

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Fused structures for safer and more economical constructions

Yu-Fei WU, Ying-Wu ZHOU, Biao HU, Xiaoxu HUANG, Scott SMITH

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 1-9 doi: 10.1007/s11709-019-0541-7

Abstract: Safety margin and construction costs are two conflicting goals for a structure. By providing a fuse in a structure that is triggered at a certain level of over-loading, further increase of loading is prohibited and failure of the structure is changed to a safer mode. As overloading is controlled and a safer failure mode is enforced, a fused structure requires a smaller safety factor thus leading to more economical construction without compromising safety. The use of a fuse will also facilitate safer use of advanced construction materials such as fiber-reinforced polymer (FRP) composites. In this case, a fuse can transfer the sudden and dangerous failure mode associated with brittle FRP debonding or rupture to a safe and ductile failure mode at the fuse location. This paper introduces a new type of fused structure as well as an associated design philosophy and approach, in addition to examples of engineering applications.

Keywords： fused structures     structural fuse     fiber-reinforced polymer     concrete    

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New progress in study of the technology of strengthening structures with prestressed fiber reinforced

Lu Yiyan,Chen Juan,Huang Yinshen,Wu Tao

Strategic Study of CAE 2008, Volume 10, Issue 8,   Pages 40-44

Abstract: Practices and theories have testified that the technology of strengthening structures with prestressedA concise state-of-the-art survey and new progress of the technology of strengthening structures withprestressed FRP are presented, including studies in terms of concrete structures strengthening withprestressed FRP, steel structures strengthening with prestressed FRP and the key problems in its practicalobviously, behaviors of flexure members under long-term load were improved, and the fatigue life of concrete

Keywords： fiber reinforced plastics     strengthening technology     concrete structures     steel structures     research    

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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.The structure is modelled fully in 3D using three-dimensional continuum elements for the concrete structureThis allows the method to capture important phenomena compared to a pure shell model of concrete.A continuous approach to fracture is chosen when concrete is subjected to compressive loading while a

Keywords： cylindrical concrete structures     limit state analysis     3D fracture modelling     prestressed composite pipes     reinforced concrete     three-point bending test    

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Environmental Simulation Test Technology of Modern Concrete Structures

Li Yunfeng,Wu Shengxing

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 81-85

Abstract:

In order to study durability, crack controlling of concrete structures and characteristics of concreteThe key techniques of environmental test of concrete structures are analyzed.Based on the research, environmental test of concrete durability and crack controlling will be better

Keywords： concrete structure     environmental test     durability     crack controlling     artificial climate    

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Application and development of modern long-span space structures in China

Shilin DONG, Yang ZHAO, Dong XING

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 224-239 doi: 10.1007/s11709-012-0166-6

Abstract: Modern long-span space structures, developed during the 1970s and 1980s, are light and effective structuresThese structures include air-supported membrane structures, cable-membrane structures, cable truss structures, beam string structures, suspen-domes, cable domes, composite structures of cable dome and single-layersteel structures and so forth., modern flexible space structures and modern rigid-flexible combined space structures.

Keywords： modern long-span space structures     rigid space structures     flexible space structures     rigid-flexible combinedspace structures     application and development    

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Practical optimization of deployable and scissor-like structures using a fast GA method

M. SALAR, M. R. GHASEMI, B. DIZANGIAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 3,   Pages 557-568 doi: 10.1007/s11709-018-0497-z

Abstract: This paper addresses practical sizing optimization of deployable and scissor-like structures from a newThese structures have been recently highly regarded for beauty, lightweight, determine behavior, properAt this time, there is a few studies done considering practical optimization of these structures.In foldable scissor-like structures, connections have a complex behavior.are not affordable because they need more material than steel structures and cause more environmental

Keywords： optimization     scissor-like structures     deployable structures     genetic algorithm     ABAQUS    

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Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Frontiers of Chemical Science and Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11705-023-2375-z

Abstract: mixtures (denoted as mix-decalin), in order to clarify the effects of the cis-/trans-structuresThis work demonstrates the relationship between the cis/trans structures and the pyrolysis

Keywords： endothermic fuel     decalin     pyrolysis     heat sink     molecular structure    

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Title Author Date Type Operation

Crack detection for wading-concrete structures using water irrigation and electric heating

Journal Article

Monitoring corrosion of reinforcement in concrete structures via fiber Bragg grating sensors

Zhupeng ZHENG, Xiaoning SUN, Ying LEI

Journal Article

Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Journal Article

Research on recycled concrete and its utilization in building structures in China

Jianzhuang XIAO, Tao DING

Journal Article

Damage assessment and diagnosis of hydraulic concrete structures using optimization-based machine learning

Journal Article

Materials-oriented integrated design and construction of structures in civil engineering—A review

Journal Article

Progressive collapse of 2D reinforced concrete structures under sudden column removal

El Houcine MOURID, Said MAMOURI, Adnan IBRAHIMBEGOVIC

Journal Article

Shear assessment of compression flanges of structural concrete T-beams

Bj?rn SCHüTTE,Viktor SIGRIST

Journal Article

Fused structures for safer and more economical constructions

Yu-Fei WU, Ying-Wu ZHOU, Biao HU, Xiaoxu HUANG, Scott SMITH

Journal Article

New progress in study of the technology of strengthening structures with prestressed fiber reinforced

Lu Yiyan,Chen Juan,Huang Yinshen,Wu Tao

Journal Article

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

Pengfei HE, Yang SHEN, Yun GU, Pangyong SHEN

Journal Article

Environmental Simulation Test Technology of Modern Concrete Structures

Li Yunfeng,Wu Shengxing

Journal Article

Application and development of modern long-span space structures in China

Shilin DONG, Yang ZHAO, Dong XING

Journal Article

Practical optimization of deployable and scissor-like structures using a fast GA method

M. SALAR, M. R. GHASEMI, B. DIZANGIAN

Journal Article

Effect of / molecular structures on pyrolysis performance and heat sink of decalin isomers

Journal Article