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Shuhe Zheng, Chongcheng Chen and Yuming Guo
Aiming at the problems found in grinding Jun-Cao, such as poor grinding effect and high grinding power of mill, this study proposes a blade Jun-Cao grinding hammer based on the traditional hammer mill. With dynamics model analysis, it had better performa...
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Xingxing Huang, Kang Han, Zhenyu Lu, Shuncheng Zhang and Liang Guo
In order to reduce the influence of temperature deformation of large-size body-mounted radiators on the observation accuracy of space station telescopes and adapt to launch vibration loads, this paper proposes a floating combination stress release mechan...
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Yichao Wang, Jiaxi Zhang, Shilong Shen, Jinming Li, Yanjun Huo and Zhenwei Wang
In order to address the common difficulties in pulling and harvesting whole cotton stalks, such as high pulling resistance, high miss-pulling rate, and high breakage rate, which severely hinder the recycling of cotton stalks, three different pulling mech...
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Qingmeng Yuan, Liang Kong, Qianyong Liang, Jinqiang Liang, Lin Yang, Yifei Dong, Zhigang Wang and Xuemin Wu
Clarifying the mechanical characteristics of gas hydrate-bearing sediments (GHBS) from a mechanical perspective is crucial for ensuring the long-term, safe, and efficient extraction of natural gas hydrates. In this study, seabed soft clay from the northe...
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Mohammad Sadegh Tale Masoule and Ali Ghahremaninezhad
This study investigates the hydration, microstructure, autogenous shrinkage, electrical resistivity, and mechanical properties of Portland cement pastes modified with PEG-PPG triblock copolymers with varied molecular weights. The early age properties inc...
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Zehua Zhang, Wenle Gao and Yuming Kou
Micro-parameter calibration is essential in constructing an accurate and reliable numerical model of particle discrete element PFC3D 6.0 software. Micro-parameter calibration is mainly accomplished according to the macro-parameters obtained from static o...
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Matija Zvonaric, Mirta Ben?ic, Ivana Bari?ic and Tihomir Dok?anovic
The high stiffness of cement-bound aggregate (CBA) is recognized as its main drawback. The stiffness is described by the modulus of elasticity, which is difficult to determine precisely in CBA. Incorporating rubber in these mixtures reduces their stiffne...
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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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Yadong Zheng, Lianying Zhang, Peng Wu, Xiaoqian Guo, Ming Li and Fuqiang Zhu
The physical and mechanical properties of rocks change significantly after being subjected to high temperatures, which poses safety hazards to underground projects such as coal underground gasification. In order to investigate the effect of temperature o...
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Xuhui He, Zhiyu Wang, Chao Li, Ce Gao, Yongfeng Liu, Changpeng Li and Bin Liu
This paper presents an experimental study on the box girder of a low-tower cable-stayed railway bridge with a W-shaped section that consists of prestressed concrete diagonal braces. A 1:6 scale test model was designed and constructed for the experiment. ...
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