2024 Vol. 38, No. 2

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2024, 38(2): 1-1.
[Abstract](78) [FullText HTML] (19) [PDF 8656KB](31)
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2024, 38(2): 1-3.
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Technology Development and Innovation
Implementation of Key Technology for Survey Digital Platform Based on GIS
Li Chunliang, Liu Xu
2024, 38(2): 127-131. doi: 10.3969/j.issn.1007-2993.2024.02.001
[Abstract](166) [FullText HTML] (37) [PDF 1815KB](38)
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To solve the efficient loading and visual display of massive survey data, a digital survey solution based on GIS technology was proposed. The real-time visual rendering of a map of cross-age exploration boreholes, automatic construction and display of 3D borehole histogram, survey data analysis, and...
Classification of Surrounding Rock and Support Force Determination of Ice Water Accumulation Tunnel
Tao Qi
2024, 38(2): 132-136. doi: 10.3969/j.issn.1007-2993.2024.02.002
[Abstract](133) [FullText HTML] (44) [PDF 1052KB](25) [Cited by] (1)
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To quantitatively evaluate the surrounding rock parameters of ice water accumulation body, a rapid classification method of surrounding rock of ice water accumulation body was proposed, and the deformation control standard of ice water accumulation body was given, which mainly includes the following...
Influence of Pile Foundation Construction on Health Trend of Adjacent Shield Tunnel Structures
Lai Gaofeng, Pang Jin, Ye Jianhua, Shou Lingchao, Cao Zhendong
2024, 38(2): 137-142. doi: 10.3969/j.issn.1007-2993.2024.02.003
[Abstract](128) [FullText HTML] (39) [PDF 1058KB](30) [Cited by] (1)
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To study the impact of deep bridge pile construction in soft soil areas on the health status of adjacent operating tunnel segments, a spatiotemporal distribution statistical comparison and data joint attribution analysis method were used. Segment cracks mainly arise and develop with the development ...
Environmental Impact Effect of Soft Soil Foundation Pit Group Engineering
Shen Jian, Hu Yun, Wang Huisheng
2024, 38(2): 143-148. doi: 10.3969/j.issn.1007-2993.2024.02.004
[Abstract](141) [FullText HTML] (40) [PDF 2892KB](26) [Cited by] (1)
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The divided pit excavation and excavation process of foundation pit group engineering are complex, and the environmental impact superimposed effect is significant. The above problems cannot be analyzed by the standard design and calculation method. Taking a project in a soft soil area of Shanghai as...
Optimization and Improvement of the Dynamic Parameter Test with Dynamic Machine Model Foundation at a Nuclear Power Plant
Chen Xiaofeng, Sun Lichuan
2024, 38(2): 149-155. doi: 10.3969/j.issn.1007-2993.2024.02.005
[Abstract](79) [FullText HTML] (30) [PDF 1922KB](9)
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The steam turbine buildings of nuclear power plants are mostly located on hard rock subgrade, and the resonance frequency of the dynamic parameter test with model foundation reaches more than 100 Hz, Due to the defect of the low upper limit of the excitation frequency of mechanical exciters, the tes...
Reinforcement of Anti-pulling Bolts in Ultra-high Gravity Retaining Wall
Xu Shuping, Wang Zixuan, Ke Qianqian, Chen Lyu, Tu Yao, Cheng Jielin
2024, 38(2): 156-162. doi: 10.3969/j.issn.1007-2993.2024.02.006
[Abstract](102) [FullText HTML] (37) [PDF 4602KB](23) [Cited by] (1)
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By installing horizontal anti-pulling bolts and anti-sliders in ultra-high retaining walls, the cross-sectional area of the retaining wall can be reduced. This reinforcement method can effectively reduce the active earth pressure. When different forms of anti-pulling bolts and anti-sliders were arra...
Engineering Practice and Application
Design and Construction of Steel Support + Diaphragm Wall Foundation Pit in Deep and Thick Sand Layer Soil
Wang Xing, Li Jicheng, Wei Qian, Li Chengxin, Huang Tian
2024, 38(2): 163-168. doi: 10.3969/j.issn.1007-2993.2024.02.007
[Abstract](135) [FullText HTML] (49) [PDF 3847KB](34) [Cited by] (1)
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The foundation pit of a hotel in Sri Lanka is located in a deep and water-rich sand layer. The surrounding environment of the pit is complex. Chinese design and construction standards have been introduced, and a diaphragm wall+steel support system has been adopted, achieving ideal soil and water-ret...
Deformation Mechanism and Reinforcement Effect for Slope Excavated in Complex Accumulative Formation
Tu Xinbin, Wang Yanbing, Yang Xiangbin, Niu Yanbo, Yuan Mingsheng, Gao Xian, Lin Shaoyuan, Chen Xilong
2024, 38(2): 169-174. doi: 10.3969/j.issn.1007-2993.2024.02.008
[Abstract](123) [FullText HTML] (53) [PDF 1828KB](20) [Cited by] (1)
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For a high excavation slope of a converter station in a power engineering project, the stability and deformation characteristics of the slope were analyzed using the limit equilibrium method and the strength reduction method, respectively. The results showed that the stability of the slope is signif...
Analysis of Construction Disturbance Measurement of Three Lane Rectangular Pipe Jacking Tunnel with Small Clear Distance
Yuan Senlin
2024, 38(2): 175-180. doi: 10.3969/j.issn.1007-2993.2024.02.009
[Abstract](71) [FullText HTML] (43) [PDF 2839KB](14) [Cited by] (1)
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The on-site measurement and analysis were conducted on the internal force, soil pressure, jacking force, vertical attitude, and surface settlement caused by the construction of a 1.2 m ultra-small clear distance three-lane pipe-jacking rectangular tunnel under the Jiaxing Ring Road, which passes thr...
Application of Intelligent Grouting Equipment in Grouting Reinforcement of Plain Fill Soil
Song Jie, Kang Zengzhu, Wu Tao, Yang Chunyu, Li Kai, Liu Guanglei
2024, 38(2): 181-186. doi: 10.3969/j.issn.1007-2993.2024.02.010
[Abstract](112) [FullText HTML] (52) [PDF 1885KB](31)
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An intelligent grouting equipment was developed, and grouting reinforcement tests were conducted on plain fill soil using the grouting equipment. The influence of grouting depth on grouting construction parameters was studied. The applicability and effectiveness of different grouting methods were an...
Engineering Practice and Application of Automatic Monitoring Technology for Long-distance Subway Tunnel
Zhang Lei, Xu Min, Bi Shuangshuang, Ge Minhui, Zhang Qin, Cheng Guohua
2024, 38(2): 187-195. doi: 10.3969/j.issn.1007-2993.2024.02.011
[Abstract](119) [FullText HTML] (58) [PDF 6203KB](14) [Cited by] (1)
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The monitoring range of subway protection engineering is longer and the working conditions are more complex and more difficult. Long-distance (>400 m) monitoring range, and multiple (>3) instrument series projects are also common, and the requirements for automatic monitoring technology are in...
Application of High-frequency Ground Penetrating Radar in the Evaluation of Ancient City Wall Restoration Effect
Meng Tianhua, Huang Li, Zhang Haijiao, Wang Haohang, Lu Yuhe, Jiang Zichao
2024, 38(2): 196-202. doi: 10.3969/j.issn.1007-2993.2024.02.012
[Abstract](110) [FullText HTML] (37) [PDF 2169KB](18) [Cited by] (1)
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Under the combined influence and action of long-term environmental pollution, the wall structure of Deshengbao on the Ming Great Wall has developed cracks, hollowing and cracking, erosion of the wall foundation, alkalinity, and plant root system diseases. In this research, the three representative w...
Experimental Research
Experimental Study on Shear Characteristics of Silt under Different Temperature-humidity Freeze-thaw Cycles
Peng Yatao, He Wenyuan, Li Li, Wang Zhiliu
2024, 38(2): 203-210. doi: 10.3969/j.issn.1007-2993.2024.02.013
[Abstract](120) [FullText HTML] (42) [PDF 4531KB](15)
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To explore the influence of freeze-thaw cycles on the shear characteristics of compacted silt under different temperature and humidity conditions, the silt in the Yellow River flooding area of Zhengzhou was taken as the research object. Under the freeze-thaw cycles of -5°C to 5°C and -15°C to 15°C, ...
Experiments on One-dimensional Consolidation Characteristics of Marine Soft Clay in Yangtze Estuary
Ma Rui, Wu Xianyong, Zhao Dingfeng
2024, 38(2): 211-215. doi: 10.3969/j.issn.1007-2993.2024.02.014
[Abstract](72) [FullText HTML] (32) [PDF 1160KB](16) [Cited by] (2)
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To investigate the consolidation characteristics and the variation of consolidation parameters (consolidation coefficient Cv, compression coefficient av and permeability coefficient k) of saturated marine soft clay in the Yangtze estuary, a series of multistage one-dimensional consolidation tests we...
Energy Evolution and Failure Tendency Index of Beishan Granite
He Kang, Lu Hui, Wang Chuanle, Han Yang, Li Erbing
2024, 38(2): 216-225. doi: 10.3969/j.issn.1007-2993.2024.02.015
[Abstract](142) [FullText HTML] (67) [PDF 1852KB](12)
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To investigate the energy evolution of granite obtained from the Beishan pre-selected area for geological disposal of high-level radioactive waste under different loading and unloading paths, an indoor triaxial test on Beishan granite round column specimens under different initial surrounding pressu...
Suitability of the Expansion Index for Paleogene Mudstone in Nanning Section of Guinan High-speed Railway
Bu Qiang, Zhang Lei, Pang Weifu, Dong Bin, Sun Hejin
2024, 38(2): 226-232. doi: 10.3969/j.issn.1007-2993.2024.02.016
[Abstract](118) [FullText HTML] (39) [PDF 822KB](16)
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Paleogene mudstone in the Nanning section of the Guinan high-speed railway is a semi-formed mudstone deposited in lakes and marshes, which is easy to soften when it meets water or to disintegrate when it loses water and has certain swelling and shrinking properties. Based on the expansive test data ...
Effect of pH on Physical and Mechanical Properties and Microstructure of Collapsible Loess
Hao Junfeng, Feng Feihong, Wang Tao, Gu Menghui
2024, 38(2): 233-237. doi: 10.3969/j.issn.1007-2993.2024.02.017
[Abstract](93) [FullText HTML] (29) [PDF 1039KB](19)
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Acid-base pollution seriously affects the long-term stability of geotechnical engineering. Unconfined compressive strength, collapsibility test, and shear strength test were used to study the effect of different pH values on the physical and mechanical properties of loess. XRD and SEM were used to f...
Review and Prospect
Research and Prospect of Electro-Osmosis Techique for Soil Reinforcement
Li Junyi
2024, 38(2): 238-245. doi: 10.3969/j.issn.1007-2993.2024.02.018
[Abstract](248) [FullText HTML] (89) [PDF 630KB](26)
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The research and development of the electro-chemical reinforcement test for sea siltation in Zhanjiang Port were summarized, and the development of electro-osmotic methods for soil reinforcement technology was proposed. The innovation and development of electro-osmotic methods for soil reinforcement...
Introduction and Comparison of Composite Vertical Barrier Technology
He Shunhui, Zhang Jian, Xie Shiping, Zheng Yongya
2024, 38(2): 246-252. doi: 10.3969/j.issn.1007-2993.2024.02.019
[Abstract](75) [FullText HTML] (25) [PDF 2136KB](13)
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Currently composite vertical barrier systems are mainly inclusive of HDPE cut-off wall and GCL vertical barriers, both of which are made of wall-backfilled materials, such as soil-bentonite, cement-bentonite or soil-cement-bentonite, etc., and introduced high-performance geosynthetic lining material...

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