2024 Vol. 38, No. 3

column
  Previous Issue | Next Issue 
Display Method:
Cover
2024, 38(3)
[Abstract](114) [FullText HTML] (34) [PDF 4824KB](52)
Abstract:
Contents
2024, 38(3): 1-3.
[Abstract](73) [FullText HTML] (35) [PDF 517KB](30)
Abstract:
Review and Prospect
Bearing Capacity of Frozen Soil Pile Foundations in Cold Regions: A State-of-the-Art Review
Tang Liyun, Ding Bing, Zheng Jianguo, Xu Peizhi, Qiu Peiyong
2024, 38(3): 253-262. doi: 10.3969/j.issn.1007-2993.2024.03.001
[Abstract](240) [FullText HTML] (88)
Abstract:
In cold regions, seasonal temperature variations, atmospheric warming, and intensified human engineering activities often lead to disasters such as frost heaving, thaw settlement, tilting, and concrete cracking in pile foundations. These incidents often result in the decrease of the bearing capacity...
Technology Development and Innovation
Elastic-plastic Constitutive Model Considering Structural Effects of Deep-sea Energy Soil
Jiang Kaisong, Qi Chengzhi, Lu Chunsheng, Wang Zefan, Zhang Yujia
2024, 38(3): 263-272. doi: 10.3969/j.issn.1007-2993.2024.03.002
[Abstract](139) [FullText HTML] (63) [PDF 1850KB](24)
Abstract:
Deep-sea energy soil refers to deep-sea sediments where gas hydrates are filled in various modes within the pores. The filling effect of gas hydrates significantly impacts the density and porosity ratio of deep-sea energy soil. Additionally, the cementation effect of gas hydrates generates increasin...
Research on Micro-motion Detection Method and Blasting Technology for Isolated Rocks in Shield Construction in Prosperous Urban Areas
Liu Haoming, Song Qingshan, Su Dong, Zeng Decheng, Ping Yang, Zhang Xiao
2024, 38(3): 273-278. doi: 10.3969/j.issn.1007-2993.2024.03.003
[Abstract](220) [FullText HTML] (100) [PDF 1585KB](28)
Abstract:
Micro-motion detection technology is widely used in shallow geological structure detection due to its fast, economical, and adaptation to site conditions. Isolated rocks are common in the granite area of southern China. To solve the problem of large-diameter isolated rocks encountered during shield ...
Design and Calculation of Plane Stability of Concrete Support for Foundation Pit
Hu Jisong
2024, 38(3): 279-286. doi: 10.3969/j.issn.1007-2993.2024.03.004
[Abstract](189) [FullText HTML] (69) [PDF 1339KB](69)
Abstract:
Regulations concerning foundation pits often lack specific provisions regarding the calculation length factor within the plane of pit supports, commonly assuming a value of 1.0. Through an analysis of the planar stability of foundation pit concrete supports it is evident that the stability within th...
Analysis and Prediction of Settlement Characteristics of Double-layer Soft Soil Foundation Treated by Vacuum Preloading Method
Sun Chong, Liu Yinpeng, Chen Shaoqing, Cheng Lin
2024, 38(3): 287-293. doi: 10.3969/j.issn.1007-2993.2024.03.005
[Abstract](145) [FullText HTML] (56) [PDF 719KB](41)
Abstract:
The double-layer soft soil foundation composed of artificial fill layer and original marine sedimentary soil layer is different from the conventional foundation form, and its settlement prediction results have large discreteness. The foundation of a certain project in the coastal area of Tianjin is ...
Lithology Recognition of Rock Image Based on Convolutional Neural ResNet50 Residual Network
Wang Xiaobing, Liu Lin, Wang Junqing, Hu Shilei, Wen Lei
2024, 38(3): 294-302. doi: 10.3969/j.issn.1007-2993.2024.03.006
[Abstract](197) [FullText HTML] (73) [PDF 5963KB](33) [Cited by] (2)
Abstract:
Deep learning convolutional neural network algorithm is widely used in the lithology identification of rock images. A rock image lithology recognition model was constructed by combining the convolutional neural residual ResNet50 network, and the parameters of the network model were optimized and ver...
Mechanism of Deep Shaft Surrounding Rock Failure and Shaft Wall Structure Design
Jia Chenggang, Li Chen, Guo Yulong, Chen Tuantuan
2024, 38(3): 303-308. doi: 10.3969/j.issn.1007-2993.2024.03.007
[Abstract](197) [FullText HTML] (78) [PDF 940KB](33)
Abstract:
To provide effective guidance for shaft construction, theoretical analysis and numerical simulation were used to study the damage and deformation of the surrounding rock and the structure of the shaft wall. The results show that the horizontal confining pressure coefficient for shaft crossing geolog...
Numerical Simulation on Sealing Performance of Pipe Jacking Hole Sealing Device
Du Kun, Lyu Feihua, Ji Xinyu, Han Jiajia, Jiang Donglai
2024, 38(3): 309-316. doi: 10.3969/j.issn.1007-2993.2024.03.008
[Abstract](106) [FullText HTML] (47) [PDF 2450KB](24) [Cited by] (2)
Abstract:
A simplified two-dimensional plane model was established by using ABAQUS software based on the curtain rubber plate + folding plate combined waterproof device commonly used in the pipe jacking construction site. By changing the parameters of the rubber plate, folding plate, and material hardness, th...
Flow State of Single Rough Fracture Based on Lattice Boltzmann Method
Duan Zhichao, Wang Jingjing, Li Yuhong, Guan Yanli, Hu Xuanyi
2024, 38(3): 317-321. doi: 10.3969/j.issn.1007-2993.2024.03.009
[Abstract](77) [FullText HTML] (43) [PDF 833KB](16)
Abstract:
Based on the lattice Boltzmann method and D2G9 discrete model, a single fracture seepage model was established considering different roughness, with the advantages of the easy setting of boundary conditions, high computational efficiency, and visualization of calculation results. The upper and lower...
Engineering Practice and Application
Underground Pipe Network and Road Disease Monitoring Technology Based on DVS
Cui Xiao
2024, 38(3): 322-329. doi: 10.3969/j.issn.1007-2993.2024.03.010
[Abstract](134) [FullText HTML] (41) [PDF 1772KB](18)
Abstract:
Because of the problems of low accuracy, insufficient application effect and inability to realize automation in the monitoring of underground pipeline leakage and road voids by conventional detection methods, distributed optical fiber vibration sensing technology is proposed to monitor underground p...
Underpinning Methods of Diaphragm Wall of Subway Station Constructed by Cut and Cover Reverse Method under Foundation Pit Cover Plate
Luo Peng, Liu Yingjing, Lu Jingke, Lin Tingsong, Zhu Hanhua
2024, 38(3): 330-336. doi: 10.3969/j.issn.1007-2993.2024.03.011
[Abstract](177) [FullText HTML] (78) [PDF 2515KB](30)
Abstract:
The connection between the auxiliary structure and the subway station usually requires breaking the diaphragm wall, which is more difficult and risky when a temporary cover plate is installed on the diaphragm wall. Based on the demolition construction of the diaphragm wall of a subway station constr...
Experimental Research
Stability Analysis of High Fill Slope Based on in-situ Borehole Shear Test
Qiu Zhihua
2024, 38(3): 337-343. doi: 10.3969/j.issn.1007-2993.2024.03.012
[Abstract](163) [FullText HTML] (40) [PDF 3051KB](53) [Cited by] (1)
Abstract:
The soil strength parameters of the slope have an important impact on the stability of the slope, and the accuracy of the slope stability analysis results restricts the construction of the project. To more accurately analyze the soil strength parameters of the slope and provide a reliable foundation...
Experimental Study on Improvement of Heavy-haul Railway Subgrade Filler
Wu Weigang, Li Yan
2024, 38(3): 344-350. doi: 10.3969/j.issn.1007-2993.2024.03.013
[Abstract](111) [FullText HTML] (37) [PDF 1764KB](17)
Abstract:
Based on static and dynamic triaxial tests, the effects of three reinforcement methods, including fiber improvement, curing agent improvement, and fiber - curing agent improvement, on the performance of heavy-haul railway subgrade filler were studied, and the best improvement scheme was proposed. Th...
Sandstone Damage and Creep Acoustic Emission under Salt Water Dry-wet Cycle
Ma Xingchen, Song Haibo, An Xuelei, Wang Chenbo, Wang Xinjian
2024, 38(3): 351-357. doi: 10.3969/j.issn.1007-2993.2024.03.014
[Abstract](91) [FullText HTML] (31) [PDF 1103KB](14)
Abstract:
To study the damage and deterioration mechanism of red sandstone under the action of aqueous chemical solution, a dry-wet cycle test and creep acoustic emission test were carried out in Na2SO4 solution and NaOH solution. The results showed that the damage of red sandstone gradually accumulates with ...
Impact of Ultrasound-assisted Complex Leaching on Engineering Properties of Contaminated Clay
Shao Li, Ni Yifei, Wang Shuai, Wu Fangjin, Chi Lin
2024, 38(3): 358-364. doi: 10.3969/j.issn.1007-2993.2024.03.015
[Abstract](103) [FullText HTML] (35) [PDF 1541KB](13)
Abstract:
The ultrasonic-assisted complex leaching agents (tartaric acid and ethylenediaminetetraacetic acid disodium salt (Na2EDTA)) were employed to carry out experiments on contaminated clay containing heavy metals Cu2+, Ni2+, and Pb2+. The variation laws of engineering properties such as soil pH, liquid p...
PFC3D Particle Flow Simulation of Nano-Clay Modified Loess Triaxial Test
Zhang Zixuan, Cao Baohua, Han Zemin, Xu Jiangbo, Cheng Fanghui, Chen Shaohua, Hou Xinmin, Zhan Haochen
2024, 38(3): 365-373. doi: 10.3969/j.issn.1007-2993.2024.03.016
[Abstract](147) [FullText HTML] (49) [PDF 2679KB](22) [Cited by] (1)
Abstract:
PFC3D software was used to study the influence of different nanomaterials, dosage, confining pressure, and dry density on the mechanical properties of improved loess, and determine the parameter relationship between macro and meso of improved loess. Through a numerical model of improved loess and a ...
Experimental Study on Physical and Mechanical Indexes of Modified Silt
Yao Miaoxian
2024, 38(3): 374-378. doi: 10.3969/j.issn.1007-2993.2024.03.017
[Abstract](195) [FullText HTML] (71) [PDF 954KB](36)
Abstract:
To solve the engineering problems existing in the filling of silt in the airport pavement subgrade effectively, the silt was modified with lime, mixed lime (strength grade 42.5 cement and lime), and cement (strength grade 42.5 and 52.5), the dosage to mass ratio of which was 4%, 6%, 8%, 10% and 12% ...

Copyright © Geotechnical Engineering Technique京ICP备12043220号-2

Address：No.79 Xibianmen Inner Street (Xibianmennei Dajie), Xicheng District, 100053, Beijing, P. R. China（100053）Tel：010-83117072 / 010-83196888Fax：（010）83117582Email：get099@263.net; ytgcjs@vip.163.com

Supported by: Beijing Renhe Information Technology Co. Ltd