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Layout optimization of steel reinforcement in concrete structure using a truss-continuum model

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 5,   Pages 669-685 doi: 10.1007/s11709-023-0963-0

Abstract: This approach combines a minimum compliance objective function with a hybrid truss-continuum model.To fully utilize the tensile strength of steel and the compressive strength of concrete, the optimizationsensitivity of steel in a concrete–steel composite is integrated with the average normal stress of aClear steel trajectories of SRC structures can be obtained using both methods.M-BESO facilitates a fully digital workflow that can be extremely effective for improving the design of steel

Keywords： bi-directional evolutionary structural optimization     steel-reinforced concrete     concrete stress     reinforcement    

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Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

Wanlin CAO , Weihua CHANG , Changjun ZHAO , Jianwei ZHANG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 255-261 doi: 10.1007/s11709-009-0043-0

Abstract: performance of reinforced concrete core walls, reinforced concrete composite core walls with concealed steeltruss were proposed and systemically investigated.a normal reinforced concrete core wall and a reinforced concrete composite core wall with concealed steeltruss, were designed.truss.

Keywords： reinforced concrete     steel truss     core walls     seismic performance    

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Fatigue evaluation of steel-concrete composite deck in steel truss bridge——A case study

Huating CHEN; Xianwei ZHAN; Xiufu ZHU; Wenxue ZHANG

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1336-1350 doi: 10.1007/s11709-022-0852-y

Abstract: To study the fatigue behavior of a steel-concrete composite bridge deck, we took a newly-constructedrail-cum-road steel truss bridge as a case study.The transverse stress history of the bridge deck near the main truss under the action of a standard fatigueThe fatigue life associated with the fatigue fracture of steel reinforcement is 56 years.However, while the top surface of the bridge deck concrete near the truss cracks after just six years

Keywords： Fatigue assessment     composite bridge deck     rail-cum-road bridge     fatigue stress analysis     Model Code    

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Design and construction of steel roof truss on top of Three Gorges Project ship lift machine room

Sun Changzhong

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 33-39

Abstract:

According to the use of the steel roof truss on top of the Three GorgesProject ship lift machine room, steel roof truss structure is analyzed.At the same time, based on the research of the steel roof truss construction scheme, construction procedureSpecific construction methods have been proposed for steel truss segment, setting of lattice racks, steelthe top room truss ensure the smooth installation of the steel roof truss and safe operation.

Keywords： ship lift     computer room     steel roof truss     design     construction     Three Gorges Project    

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Design concept of the Twin River Bridges in Chongqing, China

Man-Chung TANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 427-431 doi: 10.1007/s11709-011-0134-6

Abstract: The girders are steel truss structures with orthotropic plates and the towers are made of concrete.

Keywords： long span bridges     partially cable-supported girder bridge     cable-stayed bridge     extradosed     steel truss    

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Experimental study on seismic behavior of mid-rise RC shear wall with concealed truss

Wanlin CAO, Jianwei ZHANG, Jingna ZHANG, Min WANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4,   Pages 370-377 doi: 10.1007/s11709-009-0062-x

Abstract: In this paper, mid-rise shear wall with concealed truss was proposed.and shear wall, and the other is the composition of two materials, including steel and concrete.3 scale mid-rise shear walls, including an ordinary mid-rise shear wall, a mid-rise shear wall with steelThe experimental results show that the seismic behavior of the mid-rise shear wall with steel frame andthat of every truss with different materials is obviously improved.

Keywords： reinforced concrete     profile steel     concealed truss     mid-rise shear wall     seismic behavior    

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Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 123-134 doi: 10.1007/s11709-018-0478-2

Abstract: Spatial truss problems were attempted for optimization in order to show the fastness and efficiency of

Keywords： optimum design     sensitivity analysis     reduction method     spatial trusses     OpenSees    

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Nonlinear analysis and reliability of metallic truss structures

Karim BENYAHI, Youcef BOUAFIA, Salma BARBOURA, Mohand Said KACHI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 577-593 doi: 10.1007/s11709-017-0458-y

Abstract: The made check concerned metallic in truss structures.

Keywords： modeling     nonlinearity mechanical     truss     probability     reliability     response surface     probability of failure    

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Large-span high-speed railway bridges across Yangtze River and Yellow River

Gao Zongyu

Strategic Study of CAE 2009, Volume 11, Issue 1,   Pages 17-21

Abstract:

The steel truss structure is adopted for all of these bridges of the

Keywords： large-span high-speed railway bridge     steel truss structure     new technology    

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Truss-arch model for shear strength of seismic-damaged SRC frame columns strengthened with CFRP sheets

Sheng PENG, Chengxiang XU, Xiaoqiang LIU

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6,   Pages 1324-1337 doi: 10.1007/s11709-019-0557-z

Abstract: important reinforcing substances which are widely used in the shear strengthening of seismic-damage steel, the contributions of strengthening material and transverse reinforcement to shear strength in the trussmodel are considered, based on the truss-arch model.

Keywords： carbon fiber reinforced polymer material     steel reinforced concrete frame column     seismic-damaged     trussed-arch    

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Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1141-1152 doi: 10.1007/s11709-022-0866-5

Abstract: The out-of-plane stability of the two-hinged space truss circular arch with a rectangular section isFirstly, the flexural stiffness and torsional stiffness of space truss arches are deduced.The calculation formula of out-of-plane elastic buckling loads of the space truss arch is derived basedthe arch with a small rise-span ratio, the formula for out-of-plane elastic buckling loads of space trussNumerical research of the out-of-plane stability of space truss arches under different load cases shows

Keywords： torsional stiffness     strength design     elastic buckling     space truss arches     out-of-plane    

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Self-adaptive Creating of Truss Ground Structure Based on ANFIS

Li Ying,Hu Yunchang,Cao Hongduo

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 24-27

Abstract: The ground structures of truss structures are intelligently and automatically created by using collateral

Keywords： truss     ANFIS     intelligent     self-adaptive    

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Intelligent Layout Optimization Systems of Truss Structure

Li Hao,Hu Yunchang,Cao Hongfeng

Strategic Study of CAE 2003, Volume 5, Issue 2,   Pages 75-79

Abstract:

Intelligent layout optimization system of truss structures, based on fuzzy, neural network, and chaos

Keywords： layout optimization     intelligent     optimization systems     adaptive    

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Installation and demolition technology of Bailey truss of Three Gorges Project ship lift

Liu Yong,Chen Jianxia

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 77-82

Abstract:

The installation and demolition of Bailey truss support system of Threeconstruction strength, and big construction disturbance, the installation and demolition of Bailey trussThe installation and demolition technology system of bailey truss support system has been establishedThis technology system ensures the smooth implementation of the installation and demolition of bailey truss

Keywords： ship lift     Bailey truss     installation     demolition     Three Gorges Project    

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Support system load test of beam Bailey truss of Three Gorges Project ship lift

Wang Wenliang,Xiao Chuanyong,Zhang Junxia

Strategic Study of CAE 2013, Volume 15, Issue 9,   Pages 50-54

Abstract:

During the continued construction of Three Gorges Project ship lift, the loading test experiment has been carried out before the pouring work of the beam concrete, which is aimed at the complex characteristics of the bracing system of tower column beam construction. The experiment chose axle 1 beam, axle 2 beam and corresponding foundation beams' Bailey trusses as models, and the loading prototype test is conducted according to 1:1 ratio scale. Through arranging proper monitoring points and adopting reasonable testing frequency, the experiment completed the collection and analyzing of test data. The test results are as follows： The test obtaines the maximum stress of different member bars during the loading procedure. With the increasing of loading capacity, the bending variation of beams and Bailey trusses build up slowly, while altitudes of formwork and framed bent drop. With the increasing of loading capacity, the beams and foundation Bailey trusses experienced subtle side movements. The variation of both the axle 2 beam formwork and the framed bent's verticality from left to right is very tiny. The monitoring data indicates that, the parameters of strengthened Bailey trusses meet the safety requirements, and the proposal applies to the tower column beam construction while ensuring its safety.

Keywords： beam     Bailey truss     experiment     Three Gorges Project ship lift    

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Title Author Date Type Operation

Layout optimization of steel reinforcement in concrete structure using a truss-continuum model

Journal Article

Experiment and calculation on seismic behavior of RC composite core walls with concealed steel truss

Wanlin CAO , Weihua CHANG , Changjun ZHAO , Jianwei ZHANG ,

Journal Article

Fatigue evaluation of steel-concrete composite deck in steel truss bridge——A case study

Huating CHEN; Xianwei ZHAN; Xiufu ZHU; Wenxue ZHANG

Journal Article

Design and construction of steel roof truss on top of Three Gorges Project ship lift machine room

Sun Changzhong

Journal Article

Design concept of the Twin River Bridges in Chongqing, China

Man-Chung TANG

Journal Article

Experimental study on seismic behavior of mid-rise RC shear wall with concealed truss

Wanlin CAO, Jianwei ZHANG, Jingna ZHANG, Min WANG,

Journal Article

Border-search and jump reduction method for size optimization of spatial truss structures

Babak DIZANGIAN, Mohammad Reza GHASEMI

Journal Article

Nonlinear analysis and reliability of metallic truss structures

Karim BENYAHI, Youcef BOUAFIA, Salma BARBOURA, Mohand Said KACHI

Journal Article

Large-span high-speed railway bridges across Yangtze River and Yellow River

Gao Zongyu

Journal Article

Truss-arch model for shear strength of seismic-damaged SRC frame columns strengthened with CFRP sheets

Sheng PENG, Chengxiang XU, Xiaoqiang LIU

Journal Article

Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Journal Article

Self-adaptive Creating of Truss Ground Structure Based on ANFIS

Li Ying,Hu Yunchang,Cao Hongduo

Journal Article

Intelligent Layout Optimization Systems of Truss Structure

Li Hao,Hu Yunchang,Cao Hongfeng

Journal Article

Installation and demolition technology of Bailey truss of Three Gorges Project ship lift

Liu Yong,Chen Jianxia

Journal Article

Support system load test of beam Bailey truss of Three Gorges Project ship lift

Wang Wenliang,Xiao Chuanyong,Zhang Junxia

Journal Article