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Concept and requirements of sustainable development in bridge engineering

Yaojun GE, Haifan XIANG

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 4,   Pages 432-450 doi: 10.1007/s11709-011-0126-6

Abstract: first compared with the events of bridge failure in China and in the rest of the world and followed by structuraldurability, including the cracking of concrete cable-stayed bridges, deflection of concrete girder bridges

Keywords： sustainable engineering     safe reliability     structural durability     functional adaptability     capacity extensibility    

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A comprehensive assessment on the durability of gas diffusion electrode materials in PEM fuel cell stack

Arunkumar JAYAKUMAR

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 325-338 doi: 10.1007/s11708-019-0618-y

Abstract: Though it has found its applications in numerous fields, the cost and durability are key barriers impedingA critical analysis and comprehensive understanding of the structural and functional properties of variousmaterials involved in the GDE can help us to address the related durability and cost issues.This paper reviews the key GDE components, and in specific, the root causes influencing the durabilityalso envisages the role of novel materials and provides a critical recommendation to improve the GDE durability

Keywords： PEM fuel cell     gas diffusion electrode(GDE)     gas diffusion layer(GDL)     membrane electrode assembly     durability    

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Cement mortar with enhanced flexural strength and durability-related properties using

Qing LIU, Renjun LIU, Qiao WANG, Rui LIANG, Zongjin LI, Guoxing SUN

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 99-108 doi: 10.1007/s11709-021-0721-0

Abstract: micro-and-pore structures, hydrated products, interactions between cement hydrates and polyacrylamide (PAM), and durability-related

Keywords： acrylamide     in situ polymerization     interaction     porosity     durability    

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additives and permeability reducing admixtures having different action mechanisms on mechanical and durability

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1277-1291 doi: 10.1007/s11709-021-1752-2

Abstract: In this paper, the effect of usage of the permeability reducing admixture (PRA) having different action mechanisms on hardened state properties of cementitious systems containing mineral additives is examined. For this aim, three commercial PRAs were used during investigation. The effective parameters in the first and third PRAs were air-entraining and high-rate air-entraining, respectively. The second one contained the insoluble calcium carbonate residue and had a small amount of the air-entraining property. Mortar mixes with binary and ternary cementitious systems were prepared by partially replacing cement with fly ash and metakaolin. The hardened state properties of mortar mixtures such as compressive strength, ultrasonic pulse velocity, water absorption, drying shrinkage and freeze–thaw resistance were investigated. The ternary cement-based mixture having both fly ash and metakaolin was selected as the most successful mineral-additive bearing mix in regard to hardened state properties. In this sense, PRA-B, with both insoluble residues and a small amount of air-entraining properties, showed the best performance among the mixtures containing PRA. The combined use of mineral additive and PRA had a more positive effect on the properties of the mixes.

Keywords： cementitious system     mineral additive     permeability reducing admixture     mechanical properties     durability    

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Experimental investigation on freeze−thaw durability of polymer concrete

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1038-1046 doi: 10.1007/s11709-021-0748-2

Abstract: Assessing the durability of concrete is of prime importance to provide an adequate service life and reduceconcrete (PC) specimens prepared with higher dosages of polymer contents possessed better freeze–thaw durabilityThis high durability performance of PCs is mainly due to their impermeable microstructures, absence of

Keywords： durability test     freeze-thaw resistance     polymer concrete     residual compressive strength     ASTM C666-15    

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Supporting structure durability analysis of Bohai Strait tunnel

Wu Yongsheng,Wan Fei,Tan Zhongsheng

Strategic Study of CAE 2013, Volume 15, Issue 12,   Pages 67-72

Abstract:

Through the analysis of factors affecting the durability of the tunneldesign and construction technology, improving measures of the primary support and secondary lining durabilityThe durability design parameters of successfully built tunnel were analyzed.actual situation of the Bohai Strait tunnel, the engineering analogy method was adopted to get the durability

Keywords： subsea tunnel     supporting structure     durability     design parameters    

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Durability analysis of B grade steel side-frame based on the PFM method

Li Wei and Wang Ping

Strategic Study of CAE 2011, Volume 13, Issue 1,   Pages 56-61

Abstract:

Based on probabilistic fracture mechanics, the simulated durability testThe structural damage value is evaluated from the viewpoints of the survival probability P, stress levelFurthermore, the structural damage value is quantitatively evaluated by the probabilistic crack exceedance

Keywords： durability     fatigue     B grade steel     crack    

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A new systematic firefly algorithm for forecasting the durability of reinforced recycled aggregate concrete

Wafaa Mohamed SHABAN; Khalid ELBAZ; Mohamed AMIN; Ayat gamal ASHOUR

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 329-346 doi: 10.1007/s11709-022-0801-9

Abstract: This study presents a new systematic algorithm to optimize the durability of reinforced recycled aggregate

Keywords： chloride penetrability     recycled aggregate concrete     machine learning     concrete components     durability    

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Accelerated life-time test of MEA durability under vehicle operating conditions in PEM fuel cell

Tian TIAN, Jianjun TANG, Wei GUO, Mu PAN

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 326-333 doi: 10.1007/s11708-017-0489-z

Abstract: In this paper, a novel accelerated test method was proposed to analyze the durability of MEA, consideringThis paper may provide a new research direction for improving the durability of fuel cell.

Keywords： polymer electrolyte membrane fuel cell     accelerated life-time test     load cycling test     durability    

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Long-term durability of onshore coated concrete —chloride ion and carbonation effects

Seyedhamed SADATI,Mehdi K. MORADLLO,Mohammad SHEKARCHI

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 2,   Pages 150-161 doi: 10.1007/s11709-016-0341-2

Abstract: Enhancing service life of reinforced concrete (RC) structures located in marine environments is an issue of great interest for design engineers. The present research addresses the effect of surface coatings on service life of onshore RC structures. Long-term performance of concrete samples up to 88 months of exposure at natural marine environment was investigated. Two onshore exposure conditions, including soil and atmosphere and different types of concrete coatings were studied. Carbonation rates of up to 0.5 and 1.5 mm/year were observed at the first 88 months of exposure for soil and atmospheric samples, respectively. Surface chloride ion build-up and variation in chloride ion diffusion were monitored with respect to time, and service life was estimated. Based on the obtained results it is proposed to use the aliphatic acrylic and polyurethane coatings for enhancing the service life of concrete structures in the investigated exposure conditions.

Keywords： carbonation     chloride ion     corrosion     service life     surface coating    

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Enhancing compressive strength and durability of self-compacting concrete modified with controlled-burnt

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 2,   Pages 161-174 doi: 10.1007/s11709-021-0796-7

Abstract: Regarding durability, the 10%SBA + 30%BFS mix exhibited the lowest risk of corrosion.

Keywords： sugarcane bagasse ash     self-compacting concrete     compressive strength     sulfate resistance     water absorption     strength formula    

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Approximation of structural damping and input excitation force

Mohammad SALAVATI

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 244-254 doi: 10.1007/s11709-016-0371-9

Abstract: Structural dynamic characteristics are the most significant parameters that play a decisive role in structuralThe complexity of structural damping mechanisms has made this parameter to be one of the ongoing researchand nonlinear models which are described as the energy dissipation throughout viscous, material or structuralresponses plays an important role in structural identification process.In this paper model-based damping approximation method and a model-less structural input estimation are

Keywords： structural modal parameters     damping identification method     input excitation force identification     Inverse    

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The Durability of Alkali-Activated Materials in Comparison with Ordinary Portland Cements and Concretes Review

Aiguo Wang, Yi Zheng, Zuhua Zhang, Kaiwei Liu, Yan Li, Liang Shi, Daosheng Sun

Engineering 2020, Volume 6, Issue 6,   Pages 695-706 doi: 10.1016/j.eng.2019.08.019

Abstract: This paper compares the durability of AAMs and OPCbased materials under sulfate attack, acid corrosionDifferent AAMs have shown distinct durability properties due to different compositions being formed whenNevertheless, AAMs show better durability performances than OPC-based materials in general.

Keywords： Alkali-activated materials     Geopolymer     Durability     Ordinary Portland cement     Deterioration mechanism    

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Effects of green roof damping and configuration on structural seismic response

Frontiers of Structural and Civil Engineering   Pages 1133-1144 doi: 10.1007/s11709-023-0959-9

Abstract: Hence, their structural resilience or ability to recover from natural events must be considered comprehensively, nonlinear time-history analyses are conducted on a three-story building in SAP2000 to monitor the structuralThe increased damping in the green roof soil is beneficial to the structural performance, i.e., it reducesAdditionally, certain configurations are more effective and beneficial to the structural response thanBased on the findings of this study, new methods of modeling and considering green roofs in structural

Keywords： green infrastructure     green roof     structural resilience     seismic design    

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Development of an integrated structural health monitoring system for bridge structures in operational

Xinqun ZHU, Hong HAO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 321-333 doi: 10.1007/s11709-012-0161-y

Abstract: This paper presents an overview of development of an integrated structural health monitoring system.The integrated system includes vibration and guided-wave based structural health monitoring.system under operational conditions and structural evaluation.The study is mainly focused on developing: integrated sensor technology, integrated structural damageidentification with operational loads monitoring, and integrated structural evaluation with results

Keywords： integrated structural health monitoring     operational conditions     vibration and guided wave    

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Title Author Date Type Operation

Concept and requirements of sustainable development in bridge engineering

Yaojun GE, Haifan XIANG

Journal Article

A comprehensive assessment on the durability of gas diffusion electrode materials in PEM fuel cell stack

Arunkumar JAYAKUMAR

Journal Article

Cement mortar with enhanced flexural strength and durability-related properties using

Qing LIU, Renjun LIU, Qiao WANG, Rui LIANG, Zongjin LI, Guoxing SUN

Journal Article

additives and permeability reducing admixtures having different action mechanisms on mechanical and durability

Journal Article

Experimental investigation on freeze−thaw durability of polymer concrete

Journal Article

Supporting structure durability analysis of Bohai Strait tunnel

Wu Yongsheng,Wan Fei,Tan Zhongsheng

Journal Article

Durability analysis of B grade steel side-frame based on the PFM method

Li Wei and Wang Ping

Journal Article

A new systematic firefly algorithm for forecasting the durability of reinforced recycled aggregate concrete

Wafaa Mohamed SHABAN; Khalid ELBAZ; Mohamed AMIN; Ayat gamal ASHOUR

Journal Article

Accelerated life-time test of MEA durability under vehicle operating conditions in PEM fuel cell

Tian TIAN, Jianjun TANG, Wei GUO, Mu PAN

Journal Article

Long-term durability of onshore coated concrete —chloride ion and carbonation effects

Seyedhamed SADATI,Mehdi K. MORADLLO,Mohammad SHEKARCHI

Journal Article

Enhancing compressive strength and durability of self-compacting concrete modified with controlled-burnt

Journal Article

Approximation of structural damping and input excitation force

Mohammad SALAVATI

Journal Article

The Durability of Alkali-Activated Materials in Comparison with Ordinary Portland Cements and Concretes

Aiguo Wang, Yi Zheng, Zuhua Zhang, Kaiwei Liu, Yan Li, Liang Shi, Daosheng Sun

Journal Article

Effects of green roof damping and configuration on structural seismic response

Journal Article

Development of an integrated structural health monitoring system for bridge structures in operational

Xinqun ZHU, Hong HAO

Journal Article