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Yang Cheng and Liangliang Zhang
Uniaxial and five conventional triaxial compression tests were conducted on sandstone to obtain the evolution laws of the input energy density, elastic strain energy density, and dissipative energy density. The input and dissipative energy densities incr...
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Camilla Ronchei, Andrea Carpinteri and Sabrina Vantadori
In the present paper, the fatigue life assessment of notched structural components is performed by applying a critical plane-based multiaxial fatigue criterion. Such a criterion is formulated by using the control volume concept related to the strain ener...
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Junfei Zhong, Jiyang Shen, Wei Wang, Jun Shi, Xiaocong Yang and Guangchun Zhou
The working states of three types of engineered cementitious composites (ECC) link slabs subjected to vertical loads are investigated based on the structural working state theory. The scattered measured strains are firstly expanded into spatially continu...
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Abdelwahab Zerrouki, Abdelkader Boulenouar, Mohamed Mazari, Mohamed Benguediab
Pág. 110 - 117
In this paper, an experimental and a numerical analysis were carried out using High density polyethylene (HDPE). Sheets with an initial central crack (CCT specimens) inclined with a given angle are investigated and compared to the loading direction. The ...
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Nabil Benamara, Abdelkader Boulenouar, Miloud Aminallah
Pág. 60 - 67
The objective of this work is to present a numerical modeling of crack propagation path in functionally graded materials (FGMs) under mixed-mode loadings. The minimum strain energy density criterion (MSED) and the displacement extrapolation technique (DE...
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Zhixiong Chen, Hongrui Li, Anthony Teck Chee Goh, Chongzhi Wu and Wengang Zhang
Soil liquefaction is one of the most complicated phenomena to assess in geotechnical earthquake engineering. The conventional procedures developed to determine the liquefaction potential of sandy soil deposits can be categorized into three main groups: S...
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Xuesong Cai, Shijun Sun and Guangchun Zhou
Rice husks as common agricultural remnants with low density and good thermal conductivity properties have been used in infill walls in the northern area of China. Accordingly, many tests and numerical simulations were conducted to address a difficult iss...
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Xiao Yuan Chen, Royale S. Underhill and Denis Rodrigue
The objective of this study was to present a simple and environmentally friendly process combining low pressure (vacuum) and mechanical compression to convert low-density polyethylene (LDPE) foams into low-density foams (76?125 kg/m3) with negative tensi...
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Yaxuan Su, Xiaohui Lin, Rui Huang and Zhidong Zhou
With the attention focused on harvesting energy from the ambient environment for nanoscale electronic devices, electromechanical coupling effects in materials have been studied for many potential applications. Flexoelectricity can be observed in all diel...
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Qi Ping, Shiwei Wu, Xiangyang Li, Yijie Xu, Jing Hu and Shijia Sun
The aim of this study was to examine the effects of sandstone ring specimens with different inner diameters on dynamic compression mechanical characteristics after dry and wet circulation. To carry out our study, we subjected a sandstone ring specimen wi...
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Yangbing Cao, Qiang Yan, Sui Zhang and Fuming Cai
Shale is a common rock type that is associated with underground engineering projects, and several important factors, such as bedding structure, confining pressure, and the loading and unloading path, significantly influence the anisotropy of shale. Triax...
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Chouaib Ennawaoui, Abdelowahed Hajjaji, Cédric Samuel, Erroumayssae Sabani, Abdelkader Rjafallah, Ikrame Najihi, El Mehdi Laadissi, El Mehdi Loualid, Mohamed Rguiti, Abdessamad El Ballouti and Azeddine Azim
This paper investigates energy harvesting performances of porous piezoelectric polymer films to collect electrical energy from vibrations and power various sensors. The influence of void content on the elastic matrix, dielectric, electrical, and mechanic...
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Myung-Sung Kim and Kang Woo Chun
As the maritime industry?s emphasis on sustainable fuels has increased, liquid hydrogen (LH2) has emerged as a promising alternative due to its high energy density and zero-emission characteristics. While the experience of using natural gas in ships can ...
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Feng Ma, Jiasheng Dai, Zhen Fu, Jenny Liu, Wenhao Dong and Zhen Huang
To obtain a crumb rubber asphalt mixture with excellent performance, this study combined trans-polyoctenamer rubber (TOR), crumb rubber, and other additives to establish a new type of crumb rubber (CRT). The objective of this study was to design and eval...
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