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Lijun Ma, Meng Sun and Yunlong Zhang
In order to facilitate waste glass recycling and enable the monitoring of concrete structures, this study prepares a new type of self-sensing engineered cementitious composite (ECC) via the use of glass sand instead of silica sand. The health monitoring ...
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Aras Dalgiç and Berivan Yilmazer Polat
Geopolymer concrete (GC), also known as green concrete, contains slag, silica fume, and fly ash as binders. The absence of cement in concrete is critical to protect the world from the environmental impacts of cement production. In addition, exposure to h...
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Mingke Li, Kepeng Huang and Xuemei Yi
Laser cladding, a novel surface treatment technology, utilizes a high-energy laser beam to melt diverse alloy compositions and form a specialized alloy-cladding layer on the surface of the substrate to enhance its property. However, it can generate subst...
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Bowen Wu, Jucai Chang, Chuanming Li, Tuo Wang, Wenbao Shi and Xiangyu Wang
Soft broken surrounding rock exhibits obvious rheological properties and time-dependent weakening effects under the action of deep high-ground stress, leading to the increasingly prominent problem of sustained large deformation in deep roadways. In this ...
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Juntao Ma, Xue Ling, Qin Zhou, Zhiqiao Wang and Hongjie Liu
In order to study the mechanism of crack propagation in rock cutting, experiments and discrete element numerical simulation of rock cutting at different depths were adopted in this paper. The rock fragmentation can be divided into mini-size fragmentation...
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Xiaohu Zhang and Haifeng Huang
Crack detection is an important task for road maintenance. Currently, convolutional neural-network-based segmentation models with attention blocks have achieved promising results, for the reason that these models can avoid the interference of lights and ...
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Wenwen Liang, Lingye Leng, Hao Tian, Xiao Tian and Caihong Zhang
Clarifying the origins of fractures and adopting acceptable repair plans are crucial for the design, maintenance, and safe operation of concrete gravity dams. In this research, numerical simulation is largely utilized to investigate the reasons for fract...
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Rui Wang, Hongjuan Wu, Mohan Zhao, Yu Liu and Chengqin Chen
Old cement pavement directly overlaid with an asphalt layer produces many reflection cracks. Using microcrack homogenization technology to treat old cement pavement can effectively reduce the occurrence of reflection cracks. Micro-crack homogenization is...
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Haikuan Liu, Jie Li, Junfeng Zhang and Dongyuan Pang
Prestressed concrete girder bridges are widely used worldwide due to their mature construction technology, economical cost, and low maintenance. After a certain number of years of service, prestressed concrete girders inevitably suffer from deterioration...
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Sena Tayfur and Ninel Alver
In heterogeneous materials such as concrete, deterioration of the elastic wave?which acoustic emission technique (AET) is based on?is one of the research objects in the field. While many studies reveal that the wave is deteriorated due to the concrete co...
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