Showing 181 - 200 results of 686 for search '"soft rock"', query time: 0.60s Refine Results
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    Stress–strain and acoustic emission characteristics of cement-based materials used to simulate soft rock with fractures by Han-dong Liu, Jing-jing Liu, Shi-ying Zhang, Ling-yun Feng, Lei Qiu

    Published 2022-05-01
    “…The stress–strain curve and AE signal of fractured soft rock-like material are similar to those of intact soft rock-like; specifically, they exhibit a compaction, elastic deformation, stable fracture development, and unstable fracture development. …”
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  3. 183

    Study on Mechanism and Control Technology of Asymmetric Floor Heave in a Deep Soft Rock Main Roadway by Fulian He, Wenli Zhai, Xuhui Xu, Jiayu Song, Liang Li, Kai Lv

    Published 2022-01-01
    “…It has been 13 months since the completion of main roadway repair in this section, no obvious deformation occurred, and the long-term stability of soft rock roadway support in deep mines is realized.…”
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    Frame Structure and Engineering Applications of the Multisource System Cloud Service Platform of Monitoring of the Soft Rock Tunnel by Fengnian Wang, Songyang Yin, Aipeng Guo, Zhicai Wang, Meng Mi, Gan Qi, Juan Ma, Haijiang Zhang

    Published 2021-01-01
    “…Throughout engineering construction, large deformation disasters in soft rock tunnels are encountered increasingly frequently. …”
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    Research on the Prediction of the Time of Initial Support of Soft Rock Tunnel Based on the Optimized Longitudinal Deformation Profile by Yiwen Liang, Wenhua Zha, Zaobao Liu, Xiaohu Liu

    Published 2022-07-01
    “…Taking a large-section tunnel of soft rock as an example, the LDP equation (displacement release coefficient) of the surrounding rock is derived based on Unlu and Gercek, and the optimization and improvement are proposed after comprehensively considering Poisson’s ratio, the elastic modulus, cohesion, internal friction angle, blasting parameters, etc., using FLAC3D to analyze the rationality and validity of improving the LDP equation of the surrounding rock. …”
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    Research on Deformation Mechanisms of a High Geostress Soft Rock Roadway and Double-Shell Grouting Technology by Fengnian Wang, Shizhuang Chen, Pan Gao, Zhibiao Guo, Zhigang Tao

    Published 2021-01-01
    “…This technology can be useful when analyzing and preventing large deformation of soft rock roadways.…”
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    “Relief-Retaining” Control Technology of Floor Heave in Mining Roadway with Soft Rock: A Case Study by Ai Chen, Xuebin Li, Xuesheng Liu, Yunliang Tan, Ke Xu, Honglei Wang

    Published 2021-01-01
    “…The floor heave problem is one of the important factors affecting the stability and safety of surrounding rocks of roadways, especially in deep high-stress mining roadway with soft rock. The return airway of no. 130203 working face in Zaoquan Coal Mine of Ningdong Mining Area in Northwest China is the research object in this study. …”
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