2022 Vol. 36, No. 5

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2022, 36(5): 1-1.
[Abstract](36) [FullText HTML] (21) [PDF 4581KB](21)
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2022, 36(5): 1-3.
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Technology Development and Exploration
Load Bearing Characteristics of Prefabricated Ecological Retaining Wall
Bai Lihui, Zhu Cong, Huang Tianyuan, Yang Xinyuan, Tu Jiewen
2022, 36(5): 345-352. doi: 10.3969/j.issn.1007-2993.2022.05.001
[Abstract](130) [FullText HTML] (34) [PDF 5047KB](24) [Cited by] (3)
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Aiming at the disadvantages of traditional column slab wall, such as poor drainage performance, poor greening ability and low degree of prefabrication, the column of column slab wall is segmented and hollowed out, and the components are connected by bolts. By improving the retaining plate, a shutter...
Deformation Control Technology of Soft Surrounding Rock in Shallow Buried Section of Surrounding Expanded Tunnel
Huang Liming, Zhou Weizheng, Jia Yanling
2022, 36(5): 353-359. doi: 10.3969/j.issn.1007-2993.2022.05.002
[Abstract](95) [FullText HTML] (55) [PDF 3383KB](20) [Cited by] (2)
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Based on the in-situ extension project of a tunnel, the dynamic construction process of the surrounding extended-excavation was simulated through finite element method. The displacement and deformation, the stress distribution of the tunnel’s weak surrounding rock, and the mechanics and of the suppo...
Numerical Simulation Analysis of the Advantages of Single-story Tunnel Pile Method over Traditional PBA Method and Reasonable Excavation Sequence
Sun Yuhui, Li Xiaomeng, Chen Changyan, Bai Chaoxu, Wang Jinming
2022, 36(5): 360-364. doi: 10.3969/j.issn.1007-2993.2022.05.003
[Abstract](125) [FullText HTML] (43) [PDF 1546KB](14) [Cited by] (6)
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In the urban center with complex surrounding environment, it is particularly important to select the construction method of underground excavation station in order to ensure the safety of its own structure and surrounding environment. By introducing the principle of the tunnel pile method and the co...
Research on Design of Foundation Pit Support for Suspended Wall in Soil and Rock Dual Structure Stratum Area
Xiong Lu
2022, 36(5): 365-370. doi: 10.3969/j.issn.1007-2993.2022.05.004
[Abstract](91) [FullText HTML] (32) [PDF 2006KB](18) [Cited by] (1)
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With the deepening of the excavation depth of foundation pits, the geological conditions tend to become more complicated, and the forms of supporting structures tend to be diversified. Taking Guangzhou Metro Line 21 Yuancun Station as an example, for the soil-rock dual structure strata area, the fou...
Analysis and Research on Instability and Sliding Mechanism of High Fill Subgrade Slope in A Mountainous Area
Xia Zhiyuan, Wang Shuai, Ren Yanbin
2022, 36(5): 371-376. doi: 10.3969/j.issn.1007-2993.2022.05.005
[Abstract](156) [FullText HTML] (41) [PDF 2630KB](27) [Cited by] (12)
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The instability and sliding of high fill subgrade slope in mountainous areas is often caused by the lack of effective treatment of subgrade filling, the existence of weak surface in the slope and the failure to take drainage measures in the surrounding areas. Based on the comprehensive analysis of t...
Stability Evaluation Based on Geotechnical Back-analysis Method for Abandoned Slag Field of a Highway Tunnel in Tibet
Man Jun, Ren Zhishan, Sun Guangji, Deng Xiaolong
2022, 36(5): 377-381. doi: 10.3969/j.issn.1007-2993.2022.05.006
[Abstract](99) [FullText HTML] (31) [PDF 2948KB](23) [Cited by] (1)
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Based on back-analysis of geotechnical technique, Morgenstern-Price method was employed to estimate the stability of an abandoned slag field of a highway tunnel in Tibet. The demonstrability of dammed lake formation was also analyzed. The results showed that the unstable slope of the abandoned slag ...
Absolute Positioning Method of 3D Laser Scanner
Gao Haiyan, Chen Zhen
2022, 36(5): 382-384. doi: 10.3969/j.issn.1007-2993.2022.05.007
[Abstract](100) [FullText HTML] (35) [PDF 618KB](14) [Cited by] (1)
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To locate the point cloud results of 3D laser scanning from local coordinate system to geodetic coordinate system, the spherical centers of four pairs of spherical targets were used as virtual homonymous points. With the combination of manual and automation methods, CloudCompare software was used fo...
Application of High-density Electrical Method in Geological Exploration of Goaf in Coal Mine
Sun Fei
2022, 36(5): 385-388. doi: 10.3969/j.issn.1007-2993.2022.05.008
[Abstract](179) [FullText HTML] (57) [PDF 856KB](23) [Cited by] (9)
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In order to evaluate the suitability and limitation of the application of high-density electrical method in geological exploration of coal mining areas, high-density resistivity meter was used in goaf geological exploration in a coal mine of Dongying, Shandong Province. Inverse analysis was conducte...
Experimental Research
Experimental Study on Uniaxial Compressive Fatigue Property of Cracked Rock-like Materials
Tao Wei, Ye Tangjin, Zhang Wenhai, Wang Xiaoyu, Liu Congcong
2022, 36(5): 389-394. doi: 10.3969/j.issn.1007-2993.2022.05.009
[Abstract](109) [FullText HTML] (38) [PDF 1624KB](12) [Cited by] (4)
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To study the fatigue failure behavior of rocks with penetration cracks and reveal the fatigue damage and failure mechanism of rocks with defects, the cracked white cement specimens were prepared by pre-embedded strip method. The effects of various crack inclination angles and stress distribution on ...
Mechanical Properties and Engineering Properties of Weathered Slate in Damen Area of Yunnan Province
Cun Chunfa, Zhao Yongshun, Huan Jiuyang, Qiu Zijuan, He Mingming
2022, 36(5): 395-403. doi: 10.3969/j.issn.1007-2993.2022.05.010
[Abstract](130) [FullText HTML] (35) [PDF 13859KB](30) [Cited by] (1)
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A clear understanding of the geotechnical mechanical properties and engineering characteristics of foundation rock mass is very important to evaluate the safety and stability of engineering projects. Based on a large infrastructure project during the 13th Five-Year Plan period in Yuxi, Yunnan Provin...
Experimental Study on Shear Strength Evolution of Xiashu Loess under Rainfall Infiltration
Cai Yuchen, Liu Shunqing, Zheng Liming, Zhou Ping, Mei Pengfei, He Sijie
2022, 36(5): 404-408. doi: 10.3969/j.issn.1007-2993.2022.05.011
[Abstract](76) [FullText HTML] (24) [PDF 6437KB](18) [Cited by] (2)
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Under the actual rainfall infiltration condition, the research on the shear strength evolution law of Xiashu loess is insufficient. According to the change of water contents under the condition of rainfall infiltration obtained by automatic monitoring, the experimental research on the shear strength...

Study on Field Immersion Test of Large Thickness Self-weight Collapsible Loess Sites
Wang Qingman, Fan Hanguang, Liu Yi, Fang Shengnan, Zhang Xin
2022, 36(5): 409-416. doi: 10.3969/j.issn.1007-2993.2022.05.012
[Abstract](118) [FullText HTML] (44) [PDF 1256KB](30) [Cited by] (3)
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To solve the problems of collapsibility evaluation and foundation treatment in construction of large thickness self-weight collapsible loess sites, field immersion test was conducted. The rule of water injection rate, the movement of moisture field, the collapse characteristics of surface and underg...
Triaxial Compression Deformation of Unsaturated Sericite Schist Residual Soil
Zhi Taiqiang, Liu Huan, Wang Yun, Bai Mingyuan
2022, 36(5): 417-420. doi: 10.3969/j.issn.1007-2993.2022.05.013
[Abstract](87) [FullText HTML] (29) [PDF 1766KB](11)
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To study the triaxial compression characteristics of unsaturated sericite schist residual soil, the compression tests of controlling matric suction and net mean stress were carried out by using unsaturated triaxial creep apparatus. The results show that: when the matric suction is the same, the comp...
Analysis of Relationship Between Standard Moisture Absorption and Soil Particle Composition
Liu Jun, Zhao Wenyue
2022, 36(5): 421-424. doi: 10.3969/j.issn.1007-2993.2022.05.014
[Abstract](83) [FullText HTML] (32) [PDF 926KB](19) [Cited by] (2)
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The standard moisture absorption of soil is one of the important basis to judge the expansibility of soil. The relationship between the standard moisture absorption of soil and the composition of different particle sizes of soil were analyzed, and a certain linear function relationship between the s...
Influence of Particle Size Distribution on Characteristics of Clay Sand Mixed Soil
Zhang Qichang, Wang Lu
2022, 36(5): 425-430. doi: 10.3969/j.issn.1007-2993.2022.05.015
[Abstract](125) [FullText HTML] (33) [PDF 6642KB](24) [Cited by] (4)
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Based on a practical engineering case, indoor test and large-scale consolidation direct shear test on clay sand mixed soil samples were conducted, including physical and mechanical property indexes such as strength parameters and deformation parameters. Mixed soil was prepared according to the mass ...

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