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Aug 12, 2020
Research on Control Index of Interval Excavation Construction of Marl Slope
Authors: Zhizhong Zhao, Ph.D. [email protected], Yilong He [email protected], Zhenyu Yang [email protected], Yulong Zhao, Ph.D. [email protected], Hongzhe Liu [email protected], and Yunhua Su [email protected]Author Affiliations
Publication: CICTP 2020
ABSTRACT
To improve the sliding phenomenon of interval excavation construction of marl slope, the importance of influencing factors of interval excavation is determined by comparative analysis. Firstly, the sliding mechanism of interval excavation is carried out. The analysis mainly optimizes the slope angle, slope height, and soil quality of the main influencing factors. Then, using the ABAQUS finite element programs software, the interval excavation process of different soil, slope foot, and slope height, the excavation of the slope surface and slope, the plastic deformation zone, and displacement of the slope foot were analyzed. The results showed that the soil strength decreased and the slope height increased within a certain range. The interval excavation size should be reduced. Therefore, in order to avoid mud, soil quality, slope angle, and slope height should be considered in the occurrence of unloading and rainfall caused by limestone slope excavation and the instability of the slope.
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© 2020 American Society of Civil Engineers.
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Published online: Aug 12, 2020
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1Shandong Jiaotong Univ., Jinan 250357, China. Email: [email protected]
2Shandong Jiaotong Univ., Jinan 250357, China. Email: [email protected]
3Shandong Jiaotong Univ., Jinan 250357, China. Email: [email protected]
4Shandong Jiaotong Univ., Jinan 250357, China. Email: [email protected]
5Shandong Jiaotong Univ., Jinan 250357, China. Email: [email protected]
6Shandong Jiaotong Univ., Jinan 250357, China. Email: [email protected]
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