2024 Vol. 38, No. 6

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2024, 38(6)
[Abstract](78) [FullText HTML] (41) [PDF 7663KB](27)
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2024, 38(6): 1-3.
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Review and Prospect
Review of Ground Treatment Techniques and Their Intelligentize
Hua Jianxin, Wang Hao, Zhang Dan, Liang Tao
2024, 38(6): 631-643. doi: 10.3969/j.issn.1007-2993.2024.06.001
[Abstract](342) [FullText HTML] (58) [PDF 1681KB](129)
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The ground treatment techniques for the 9th National Geotechnical Engineering Records Conference were reviewed, and new techniques, digitalization, and intelligence for ground treatment applications were introduced. Furthermore, some directions were provided which should be strengthened in future re...
Key Technologies and Applications of Air-Ground Integrated Digital Engineering Investigation
Li Qingbo, Du Pengzhao, Liu Zhenhong, Qi Jumei, Pei Lina
2024, 38(6): 644-649. doi: 10.3969/j.issn.1007-2993.2024.06.002
[Abstract](147) [FullText HTML] (42) [PDF 873KB](50) [Cited by] (1)
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Combined with the major needs of digitalization and informatization construction in the engineering investigation industry, the current status and shortcomings of the digital technology for engineering investigation were systematically analyzed, the research on key technologies in the digital collec...
Technology Development and Innovation
Checking Calculation Method of Integral Anti-Floating Stability of Anti-Floating Anchor
Wei Zhiqiang, Deng Wenzhong
2024, 38(6): 650-654. doi: 10.3969/j.issn.1007-2993.2024.06.003
[Abstract](154) [FullText HTML] (31) [PDF 829KB](59)
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According to the technical code for geotechnical bolt and shotcrete support engineering (GB 50086—2015), the checking calculation of anti-floating stability of anti-floating bolt as a whole can be known, the overall stability of the anti-floating anchor was related to the total weight of the soil (W...
Design and Deformation Monitoring Analysis of Large Crown Beam in Deep Foundation Pit
Lyu Zhigang, Huang Jun, Yang Jianwei, Wang Yanyan
2024, 38(6): 655-661. doi: 10.3969/j.issn.1007-2993.2024.06.004
[Abstract](165) [FullText HTML] (49) [PDF 1328KB](54)
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For pile+internal support, to reduce or avoid the use of side truss bracing and inclined bracing systems, a method of increasing the crown beam section was proposed to expand the main support spacing. This method can control the deformation of the foundation pit and ensure the safety and stability o...
Application of a Modified Particle Swarm Optimization Algorithm with Early-Stopping Error Function Summation Mechanism
Kang Hengyi
2024, 38(6): 662-671. doi: 10.3969/j.issn.1007-2993.2024.06.005
[Abstract](91) [FullText HTML] (39) [PDF 2522KB](18)
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The direct calibration of constitutive models requires that the model parameters have clear physical significance, which corresponds to the geometric interpretation of the testing data. However, for the complex constitutive models with multiple hyperparameters, the optimization technique shall be ap...
Disturbance Mechanism of Pipe-Jacking Construction on Surrounding Environment
Wang Binghua, Li Wenqing, Wang Zhonghua, Meng Qingjun, Sun Feixiang
2024, 38(6): 672-679. doi: 10.3969/j.issn.1007-2993.2024.06.006
[Abstract](123) [FullText HTML] (44) [PDF 2293KB](35)
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To determine the impact of pipe-jacking construction on the surrounding environment, engineering data was collected and combined with case monitoring results to study the mechanism and laws of surface and existing tunnel deformation caused by pipe-jacking construction. The conclusions are as follows...
Applicability Analysis of Design Method for Settlement Reducing Pile Considering Pile-Soil Interaction
Yang Jun, Yang Min, Chen Haibing
2024, 38(6): 680-691. doi: 10.3969/j.issn.1007-2993.2024.06.007
[Abstract](136) [FullText HTML] (62) [PDF 1232KB](33)
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Regarding the applicability of settlement-reducing piles in complex stratum conditions, the influence of factors such as the site condition and building type, maximum settlement control standard, and pile and soil stiffness distribution on the design of settlement-reducing piles based on a large num...
Softening Effect and Control Measures of Surrounding Rock in Deep Buried Saturated Loess Tunnel
Wang Wenzhuo, Hu Jinxin, Qiu Chenghu, Yang Zhijun
2024, 38(6): 692-697. doi: 10.3969/j.issn.1007-2993.2024.06.008
[Abstract](101) [FullText HTML] (36) [PDF 2427KB](23)
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Under the action of groundwater, the surrounding rock of a loess tunnel will undergo varying degrees of softening, greatly weakening its strength, which brings many difficulties to the design and construction of the tunnel. Based on a loess tunnel in Longdong, different degrees of softening were set...
A New Model for Estimating VS30 Based on Engineering Boreholes Data
Zhang Weichao, Ren Hao, Tian Qinhu, Sun Yu
2024, 38(6): 698-703. doi: 10.3969/j.issn.1007-2993.2024.06.009
[Abstract](100) [FullText HTML] (44) [PDF 1007KB](17)
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The average shear wave velocity to a depth of 30 m below the ground surface （VS30） is an important parameter for evaluating the site condition and the site earthquake response. There are a large number of borehole data with depths of less than 30 m in China, and these borehole data cannot be directl...
Engineering Practice and Application
Influence of New Pier Construction on Adjacent Existing High Speed Railway Pier Foundation
Wang Caikou, Huang Tao, Chang Wei, Wang Haiyuan, Pu Shikun, Zhai Yongyong
2024, 38(6): 704-711. doi: 10.3969/j.issn.1007-2993.2024.06.010
[Abstract](96) [FullText HTML] (44) [PDF 1484KB](23)
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To study the influence of new pier construction on adjacent high-speed rail pier foundation, the whole construction process calculation model of the new pier was established based on the hardening soil model with small-strain stiffness (HSS model) and PLAXIS 3D finite element software, and then the ...
Analysis and Treatment of Subgrade Settlement in a Certain Section of the Yechi Railway
Zhang Liangbing, Pan Qihui, Han Yinshan
2024, 38(6): 712-717. doi: 10.3969/j.issn.1007-2993.2024.06.011
[Abstract](91) [FullText HTML] (41) [PDF 3805KB](28)
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A certain section of the Yechi Railway was affected by subgrade settlement disease. Through on-site geological investigation and analysis, it was found that the mining of coal seams changed the stress balance state of the surrounding strata, causing plastic deformation of the fault fracture zone alo...
Shield Muck Generated from Soft Soil Stratum for Preparation of Grouting Material and Its Engineering Applications
Yang Guohua
2024, 38(6): 718-724. doi: 10.3969/j.issn.1007-2993.2024.06.012
[Abstract](102) [FullText HTML] (40) [PDF 1748KB](17)
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Based on the Suzhou Rail Transit Line 8 subway project, the synchronous grouting slurry was prepared using shield muck generated from soft clay stratum to reduce slag discharge. Based on lab testing, the strength, initial setting time, consistency, bleeding rate, etc. of the shield muck-produced gro...
Cause Analysis of High Pressure Water Gushing in Hongtu Extra-Long Tunnel
Zhang Xiujie, Cheng Xiaoyong
2024, 38(6): 725-731. doi: 10.3969/j.issn.1007-2993.2024.06.013
[Abstract](78) [FullText HTML] (35) [PDF 3133KB](25)
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The Hongtu extra-long tunnel is the key control project of the Dafenghua Expressway crossing Lianhua Mountain in Guangdong Province. The maximum buried depth of the tunnel is 740 m. In the process of tunnel excavation, a large flow of water was encountered under the pressure of 4.8 MPa, and the maxi...
Failure Mode and Path Analysis of High and Steep Rock Slope in Mountainous Areas, Southwestern China: A Case Study in Bowa Hydropower Station
Qiang Xingang, Li Jiahao, Ye Kun, Li Jiayu, Zhang Guangze
2024, 38(6): 732-739. doi: 10.3969/j.issn.1007-2993.2024.06.014
[Abstract](96) [FullText HTML] (33) [PDF 4320KB](29)
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Southwestern China has become the most concentrated area for the construction of hydropower stations in China due to its rich hydropower resources. When building a hydropower station in the Alpine Valley area, it often causes the problem of destruction on steep rock slopes because of the excavation....
Experimental Research
Origin and Physical-Mechanical Properties Study of Haikou Ultra-Lightweight Volcanic Ash Soft Clay
Xie Shuling, Xie Linxi, Zhai Fengyan, Wang Ying, Yang Yongkang
2024, 38(6): 740-744. doi: 10.3969/j.issn.1007-2993.2024.06.015
[Abstract](91) [FullText HTML] (36) [PDF 3194KB](20)
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A comprehensive geotechnical investigation was conducted at a construction project site on Hainan Island. Specific geotechnical parameters of volcanic ash deposits in high-order areas and volcanic rock plateaus in northern Hainan Island were summarized. The distinct engineering characteristics of th...
Experimental Study on Compressive Bearing Performance of Bilateral Helix-Stiffened Cement Mixing Piles
Guo Chengyu, Zong Zhongling, Huang Yunhan, Zhuang Xiaoxuan
2024, 38(6): 745-749. doi: 10.3969/j.issn.1007-2993.2024.06.016
[Abstract](88) [FullText HTML] (37) [PDF 1302KB](22)
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Bilateral Helix-Stiffened Cement Mixing Piles (BHCMP) is a new type of stiff composite pile. To study the feasibility of the construction process and the compressive bearing performance of BHCMP, three test piles were designed, and the on-site pile formation test and the compressive bearing performa...
Dynamic Experimental Study on Group Well Effect of Resource Recharge
Li Xuguang, Liu Wenbin, Yu Tianfei, Ma Jian, Zhao Gang, Wang Yuanchuan
2024, 38(6): 750-753. doi: 10.3969/j.issn.1007-2993.2024.06.017
[Abstract](77) [FullText HTML] (29) [PDF 663KB](18)
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Recharge is one of the effective measures to protect groundwater resources in urban construction. To reasonably consider the influence of group well effect in the design of a recharge project, the influence of group well effect on the recharge capacity of a single well was experimentally studied by ...

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