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Qianning Li, Xiaofei Cao, Xingxing Wu, Wei Chen, Chunbao Li and Xiaobin Li
An improved star-shaped honeycomb (ISSH) is a kind of honeycomb structure with excellent performance. The main objective of this study was to provide some ideas for the optimization of the ISSH structure in ships. As a result, 2D-ISSH specimens were fabr...
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Bing Li, Wenbin Zheng and Yang Zhang
This study aims to investigate the effect of high temperature on the mechanical properties of low-slump polypropylene fiber (PPF) concrete, and tests the tensile and compressive properties of 204 groups of low-slump PPF concrete with eight different dosa...
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Jianhua Lei, Fan Feng, Shu Xu, Weibin Wen and Xuhui He
The objective of the present research was to study the effect of temperature on the mechanical properties, failure mode and uniaxial compression constitutive relationship of a modified polyurethane concrete. A total of 24 cube and 27 prism specimens were...
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Shiyi Zhang, Yingfang Fan and Surendra P. Shah
To improve the ability of concrete structures to resist freeze-thaw damage in cold environments, explore the effect and mechanism of nano-metakaolin (NMK) on frost resistance of concrete. And make up for the deficiencies in the mechanical properties and ...
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Cheng Lu, Pengfei Xie, Hui Li, Xuhui Zhang, Xiaobing Lu, Bin Zhang, Ziqin Zhang, Xuwen Qin, Shuai Zhang and Hang Bian
Natural gas hydrates are a strategic energy resource in China. The China Geological Survey has discovered segregated hydrate mass formations under the seepage mechanism in the South China Sea through exploration, and gas hydrates occur in nodular, massiv...
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Long Li, Dongxing Xuan and Chi Sun Poon
Five recycled coarse aggregate (RCA) treatment techniques including flow-through carbonation, pressurized carbonation, wet carbonation, nano silica (NS) pre-spraying and combined pressurized carbonation with NS pre-spraying, were utilized to improve the ...
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Tavio Tavio,I Nyoman Budiantara,Benny Kusuma
Pág. pp. 14 - 27
Due to enormous uncertainties in confinement models associated with the maximum compressive strength and ductility of concrete confined by rectilinear ties, the implementation of spline nonparametric regression analysis is proposed herein as an alternati...
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Bin Hu, Zhen Zhang, Jing Li, Huiping Xiao and Kai Cui
The deterioration of rock mechanical properties under chemical-freezing-thawing-loading will seriously threaten the stability and safety of engineering rock mass, so the study of its constitutive model has very important theoretical and engineering appli...
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Alejandro Molina, Manuel R. Piña-Monarrez and Jesús M. Barraza-Contreras
In this paper a Weibull methodology to determine the probabilistic percentiles for the S-N curve of the A572 Gr. 50 steel is formulated. The given Weibull/S-N formulation is based on the true stress and true strain values, which are both determined from ...
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Hailong Wei, Zhanfei Gu, Zhikui Liu, Yipeng Wang and Yansong Shi
In order to explore the creep characteristics of red clay under different pressures, the stress?strain curve and stress?strain?time curve of red clay under different pressures were obtained, and the triaxial shear and creep characteristics of red clay un...
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Zhiqi Wang, Xufei Gong and Xuebin Gu
To study the mechanical properties and energy evolution characteristics of the shallow fractured coal in the Western China mining area, a series of triaxial compression tests was carried out on fractured coal specimens. The stress?strain curve, mechanica...
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Jiarun Tang and Dongxia Chen
Granite residual soil (GRS) exhibits favorable engineering properties in its natural state. However, a hot and rainy climate, combined with vibrations generated during mechanical construction, can cause a notable decrease in its strength. In this study, ...
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Zhe Mei, Anfeng Xiao, Jiahao Mei, Jinqiu Hu and Peng Zhang
In order to study the variation law of shear frictional characteristics of the steel pipe jacking and sand interface under different working conditions, the shear stress?strain curve between five different particle sizes of sand and steel pipe jacking un...
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Shovona Khusru, David P. Thambiratnam, Mohamed Elchalakani and Sabrina Fawzia
Rubberised concrete has emerged as a material of interest to the research community with the mission of creating sustainable structural members and decreasing the burden of waste tyre rubber. The potential benefits of replacing natural aggregates with ru...
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Athiq Ulla Khan, Nanjundaswamy Sateesh Kumar, Alireza Bahrami, Yasin Onuralp Özkiliç, Mohammed Imran, Essam Althaqafi and Saiful Islam
The performance of self-compacting concrete (SCC) is gaining popularity in construction due to its exceptional strength and durability. However, the properties of combined steel and concrete at elevated temperatures lack experimental data from previous r...
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Mingyu Li, Wenjing Sun and Zhanyang Chen
Adding biochar to soil can improve the soil?s physical?chemical properties, microscopic pore structure, and bacterial habitat. This affects the soil?s strength characteristics and the oxidization of methane. Using a Humboldt pneumatic direct shear instru...
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Xiaobin Wu, Jun Cheng, Zhilong Xu, Leyang Dai, Qingshan Jiang, Bosheng Su, Li Zhu and Zhenye Zhao
Ultrasonic surface rolling (USRP) is an effective process to improve a workpiece?s fatigue property, in which ultrasonic vibration and static force are applied on the workpiece?s surface. In order to clarify the ultrasonic rolling strengthening mechanism...
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Pramod Rai
Pág. 01 - 10
Finite element analysis (FEA) is widely adopted these days to investigate relatively heavy structures such as reinforced concrete (RC) deep beam, which requires a higher investment of resources. This research aims to investigate a numerical modeling tech...
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Pramod Rai
Finite element analysis (FEA) is widely adopted these days to investigate relatively heavy structures such as reinforced concrete (RC) deep beam, which requires a higher investment of resources. This research aims to investigate a numerical modeling tech...
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Guoqian Wei, Shanshan Li, Yongxing Guo and Zhang Dang
The real weld toe geometry is generally not mathematically perfect, resulting in obvious stress concentration effects, both on the weld section and along the longitudinal direction of the weld toe. The true stress-strain state at the local weld toe direc...
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