2022 Vol. 36, No. 2

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2022, 36(2): 1-3.
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2022, 36(2): 1-1.
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Technology Development and Exploration
Study on the Design and Deformation Monitoring of Double-piles Retaining Structure
Jiang Hongming, Liu Chunlin
2022, 36(2): 87-92. doi: 10.3969/j.issn.1007-2993.2022.02.001
[Abstract](366) [FullText HTML] (101) [PDF 936KB](45)
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Taking a double-piles foundation pit in Shenzhen as an example, the monitoring deformation of pit retaining structures as well as adjacent buildings were analyzed. The former 1/3 period of excavation stage was the most fast increase period of lateral deformation of double-piles retaining structure, ...
Comparison of Different Methods for Calculating Persistence Based on Monte Carlo Simulation
Lan Zhiguang, Xu Yuan, Nie Xijiang, Guo Meng, Wang Haiyu
2022, 36(2): 93-99. doi: 10.3969/j.issn.1007-2993.2022.02.002
[Abstract](708) [FullText HTML] (55) [PDF 1557KB](28)
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Discontinuity persistence has always been a hot topic in the field of rock mass engineering, which plays an active role in the evaluation of rock strength and stability. The calculation of persistence based on Monte Carlo simulation is a more widely used and more economical method. At present, the m...
Review of Research on Foundation for Liquefied Natural Gas (LNG) Storage Tank
Wang Wei, Nie Qingke, Li Ning, Liu Jingjing, Zhang Peng, Zhai Ziqiang
2022, 36(2): 100-104. doi: 10.3969/j.issn.1007-2993.2022.02.003
[Abstract](171) [FullText HTML] (191) [PDF 859KB](55)
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The importance and complexity of the foundation of liquefied natural gas (LNG) storage tank are briefly described. The storage tank foundation is classified into six types: natural foundation raft foundation, composite foundation raft foundation, low cap pile foundation, double cap overhead foundati...
Bearing Capacity Analysis and Discussion of a Single Long Pile in Deviation
Yang Hanqi, Cai Dechang
2022, 36(2): 105-110. doi: 10.3969/j.issn.1007-2993.2022.02.004
[Abstract](130) [FullText HTML] (58) [PDF 647KB](36)
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Combined with an example of an industrial powerhouse which the pored piles were deviation, whether a pile foundation that deflect dramatically could meet the requirements of bearing capacity was discussed. According to the calculation of the horizontal bearing capacity of single pile in current code...
The Construction and Thinking of Engineering Survey Enterprise Informatization
Qian Kaizhu, Guo Miwen, Wang Wei, Jia Junhui
2022, 36(2): 111-115. doi: 10.3969/j.issn.1007-2993.2022.02.005
[Abstract](172) [FullText HTML] (54) [PDF 2525KB](46)
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With the application of information technology, the engineering investigation industry has been acrossed the digitization stage, and is gradually developing to information and intelligence. Based on the development foundation in the "13th Five-Year Plan", it will be combined with the the new require...
Test Analysis of Post-Grouting Improvement Coefficient for Cast-in-situ Pile in Thick Sand Layers
Lu Pingzhen, Sun Hongwei, Fang Yunfei
2022, 36(2): 116-121. doi: 10.3969/j.issn.1007-2993.2022.02.006
[Abstract](151) [FullText HTML] (56) [PDF 6649KB](42)
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The experience of the post-grouting effect for cast-in-situ pile in thick sand layer is limited presently. Based on the static pile load test in a project of Tongzhou New Town, Beijing, the bearing capacity of single pile after post-grouting and without post-grouting was analyzed and compared, and t...
Structural Implementation Method of Yielding Support for Deep Tunnel in Weak Rock
Zhao Wei
2022, 36(2): 122-128. doi: 10.3969/j.issn.1007-2993.2022.02.007
[Abstract](173) [FullText HTML] (46) [PDF 922KB](30)
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In order to make the yielding support scientifically applied in deformation control of deep tunnel in weak rock, the conventional support mode which mainly based on bending deformation yielding is changed, and the structural implementation approaches of yielding support is studied based on the theor...
Application of Survey Technology in Pile Foundation Construction of Special Structural Confined Water Field
Dang Zhirong, Wang Zhizhong, Dang Jingmao, Yang Shaofei
2022, 36(2): 129-134. doi: 10.3969/j.issn.1007-2993.2022.02.008
[Abstract](175) [FullText HTML] (62) [PDF 826KB](47)
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In view of the serious phenomenon of water and sand gushing during the implementation of the rotary drilling cast-in-place pile, the problem was discussed according to survey technology. The problem of water and sand gushing comes from the effect of the special structural confined water. In order to...
Key Points of Foundation Investigation and Causes of Main Diseases of Ancient Pagodas in Collapsible Loess Area
Cai Huaien, Zhang Jiwen, Liu Shuai, Zhang Peng, Li An
2022, 36(2): 135-139. doi: 10.3969/j.issn.1007-2993.2022.02.009
[Abstract](166) [FullText HTML] (50) [PDF 562KB](35)
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Chinese ancient pagodas are of great value in cultural relics, tourism and scientific research. Based on the engineering practice, the main points of the ancient pagoda foundation investigation and the causes of the main diseases were analyzed, and suggestions on the protection measures were propose...
Pipe Point Data Making for 3D Modeling of Underground Pipe Network Based on Skyline
Yang Zhenjie, Yuan Ruihong, Zhu Zeyu, Han Song, Li Yuanyuan
2022, 36(2): 140-144. doi: 10.3969/j.issn.1007-2993.2022.02.010
[Abstract](120) [FullText HTML] (43) [PDF 738KB](22)
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The management and design of underground pipe network lead to increasing requirements for 3D visualization. Skyline is a 3D visualization software supporting multiple data formats and convenient for secondary development. Based on Skyline, a method of sorting out the pipe point data for a large numb...
Application of a New Multi-functional Frame Shed Tunnel
Xing Qian
2022, 36(2): 145-150. doi: 10.3969/j.issn.1007-2993.2022.02.011
[Abstract](81) [FullText HTML] (51) [PDF 5664KB](17)
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In order to optimize the structural design of mountain side road in mountainous towns and solve the problem of support design of excavated subgrade slope affected by mountain terrain, an anti-slide shed tunnel scheme with double row anti-slide piles and building frame structure is proposed. Accordin...
Comparative Study on Application of Chinese and Foreign Codes in Port Engineering Survey
Chen Zhixin, Peng Manhua, Zhang Haishun, Huang Chengzhi
2022, 36(2): 151-155. doi: 10.3969/j.issn.1007-2993.2022.02.012
[Abstract](140) [FullText HTML] (55) [PDF 464KB](26)
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From the perspective of port engineering project survey, a comparative study of Chinese, European and American codes was conducted, including survey workload, drilling and sampling, geotechnical classification, SPT, CPT, VST, strength parameter selection and calculation of vertical compressive beari...
Measurement Method of Building Facade Based on Three-Dimensional Laser Scanner and Total Station Technology
Yao Peijun, Yin Yanyun
2022, 36(2): 156-159. doi: 10.3969/j.issn.1007-2993.2022.02.013
[Abstract](164) [FullText HTML] (53) [PDF 563KB](24)
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The traditional building facade measurement with total station has the disadvantage of low efficiency. With the development of technology, 3D laser scanning technology is widely used in building facade measurement. Aiming at the problem of scanner dead angle, a method of fixed-point supplementary su...
Practiceand Analysis of Deep Foundation Pit in Soft Soil Area and Complex Environment
Wang Haicheng, Liu Xiuzhen, Zhang Long
2022, 36(2): 160-164. doi: 10.3969/j.issn.1007-2993.2022.02.014
[Abstract](196) [FullText HTML] (51) [PDF 1519KB](73)
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Taking a soft soil foundation pit project in a complex environment in Wuhan as an example, the key points, difficulties and countermeasures of the deep soft soil foundation pit design is introduced. The project is close to residential areas, municipal roads and viaducts. There is about 8～10 m deep s...
Experimental Research
Study on the Flexural Resistance of Artificial Frozen Soil in Ningbo Area
Liu Huaji
2022, 36(2): 165-168. doi: 10.3969/j.issn.1007-2993.2022.02.015
[Abstract](110) [FullText HTML] (45) [PDF 747KB](22)
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Based on the Jintang undersea tunnel project in Ningbo area, to study the laws and characteristics of the flexural strength of artificial frozen soil, the flexural strength tests of silty soil and silty clay in the tunnel were carried out under different temperatures and water content. The results s...
Comparative Test Research on Temperature Shrinkage Performance of Modified Soil in Yellow River Flood Field
Wang Zhe, Zhang Lei, Wang Wei, Sun Zhaoyun, Xiang Guowei, Hu Guiling
2022, 36(2): 169-172. doi: 10.3969/j.issn.1007-2993.2022.02.016
[Abstract](139) [FullText HTML] (53) [PDF 528KB](29)
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Yellow River flood field of Shandong Province is a seasonally frozen soil area, and it is easy to crack when the temperature difference between day and night is large, which affects the integrity and continuity of the road surface. The soil in the yellow river flood field has poor particle gradation...

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