2018 Vol. 32, No. 2

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Development and Creation
Application of New Type of Pile Anchor Retaining Structure in Deep Foundation Pit Support in Expansive Soil Area of Chengdu
Jia Xinyuan, Yue Dachang, Li Ming
2018, 32(2): 55-58,99. doi: 10.3969/j.issn.1007-2993.2018.02.001
[Abstract](89) [PDF 1228KB](16)
Abstract:
In the design of foundation pit support in expansive soil area, the conventional pile anchor support system is greatly limited. This paper takes a deep foundation pit supporting project in expansive soil area of Chengdu as an example,according to the characteristics of this project, considering safe...
The Application of Leakage Detecting and Research about Flowmeter Radio-detection, and Correlator in Complicated Environment
Fan Zhiming, Ma Jianguo
2018, 32(2): 59-63. doi: 10.3969/j.issn.1007-2993.2018.02.002
[Abstract](82) [PDF 1069KB](10)
Abstract:
The article takes the combination with the domestic portable ultrasonic flowmeter, radio-detection, and correlator in complicated environment; introducing the theory and use about the portable ultrasonic flowmeter, the theory and use about the radio-detection, and the choice of main parameter on the...
Application Test on High Pressure Jet-grouting Anchor Cable in Soft Soil Area
Liu Kui, Xu Longshuai, Gao Luhao
2018, 32(2): 64-68,109. doi: 10.3969/j.issn.1007-2993.2018.02.003
[Abstract](88) [PDF 729KB](15)
Abstract:
In order to study the application effect of high pressure jet-grouting anchor cable in soft soil area, three kinds of different fixed anchor length and different number of anchor plate jet-grouting anchor were selected to carry tension experiment to analyze the test result in soft soil area.It was f...
Technology Probe and Research
Stability Analysis of Slurry Trench of Diaphragm Based on Strength Reduction Finite Element Method
Meng Deping
2018, 32(2): 69-73. doi: 10.3969/j.issn.1007-2993.2018.02.004
[Abstract](87) [PDF 1492KB](14)
Abstract:
Based on the strength reduction finite element method, the stability of slurry trench of diaphragm in the Beijing metro line 6 Xiyuan station was analyzed. The location and profile of the critical slip surface were calculated. The failure process was also simulated in the commercial software ABQUS. ...
Global Optimization Stability Analysis of Waterless Homogeneous Slopes-with Integral Method of Circular Slip Surface
Liu Dahai
2018, 32(2): 74-78,82. doi: 10.3969/j.issn.1007-2993.2018.02.005
[Abstract](50) [PDF 746KB](10)
Abstract:
With the traditional slices method, it requires recalculating the geometric parameters of the soil slices when searching the sliding surface, leading to large calculation workload. It's also difficult to ensure that the sliding surface obtained from searching is the global most dangerous one. In thi...
Quick Repair Method of Local Collapse of Embankment Area Using Waste Tires
Liu Jinlong, Zhu Lei
2018, 32(2): 79-82. doi: 10.3969/j.issn.1007-2993.2018.02.006
[Abstract](87) [PDF 1722KB](8)
Abstract:
A quick repair method of local collapse of embankment area using waste tires is proposed in this article, which mainly using waste tire heavy blocks and I-beam. Waste tire heavy block is made by reinforced concrete poured into the waste tire interior space, with low price and simple production. The ...
Analysis on Protection Mechanism and Comparison on Protection Methods for Expansive Soil Slope
Ding Guoquan, Yuan Junping
2018, 32(2): 83-87. doi: 10.3969/j.issn.1007-2993.2018.02.007
[Abstract](85) [PDF 723KB](19)
Abstract:
Expansive soil is a kind of widely distributed and hard treated trouble soil. Slope failure may often occur in expansive soil. The best slope protection method of expansive soil slope can only be found, if the failure mechanism is considered. Existing research results of slope failure mechanism for ...
Deep Foundation Pit Slope Displacement Mutation Causes and Treatment Measures Reliability Analysis
Su Tiezhi, Ma Shimin, Wu Min
2018, 32(2): 88-91,95. doi: 10.3969/j.issn.1007-2993.2018.02.008
[Abstract](90) [PDF 830KB](21)
Abstract:
Foundation pit excavation is a foundation engineering and underground engineering construction of an important subject, belongs to a comprehensive geotechnical engineering problems, not only involves the strength and stability of the typical soil mechanics problems, but also contains the deformation...
Study on Improving the Performance of Gravel Soil by Using the Flow-tube Grouting
Zhai Yuxin, Qi Jianmin
2018, 32(2): 92-95. doi: 10.3969/j.issn.1007-2993.2018.02.009
[Abstract](56) [PDF 1402KB](13)
Abstract:
Pray of molten steel pipe grouting soil improvement, bear the function of load, also can improve the permeability of soil properties, in the foundation pit and edge (slide) in slope supporting engineering application more and more.Its main applications include sustain tension steel anchor pipe and s...
Characteristics Analysis of Geotechnical Engineering Investigation for Urban Rail Transit
Li Zhengkun
2018, 32(2): 96-99. doi: 10.3969/j.issn.1007-2993.2018.02.010
[Abstract](60) [PDF 749KB](18)
Abstract:
Complex surroundings, wide content and pertinence for geotechnical investigation, multiple special parameters, diversity of prospecting methods and solutions, etc., are typical characteristics of geotechnical engineering investigation for urban rail transit construction. In this paper, generalizatio...
Application and Research of SMW Pile in Deep Foundation Pit Engineering in Soft Soil Area
Yan Yuanyuan, Wang Tao
2018, 32(2): 100-103. doi: 10.3969/j.issn.1007-2993.2018.02.011
[Abstract](68) [PDF 945KB](16)
Abstract:
Based on engineering example, the mechanical behavior and performance of SMW piles in different excavated deep foundation pit in soft soil area are studied. Differences between measured and calculated values are analyzed. And the optimization suggestions and precautions during the design and constru...
Application of Statistics in Comparative Test at Geotechnical Laboratory
Li Shu, Yu Hongmin
2018, 32(2): 104-109. doi: 10.3969/j.issn.1007-2993.2018.02.012
[Abstract](59) [PDF 944KB](10)
Abstract:
In order to analyze results of geotechnical test in comparison between operatives, apparatuses, and laboratories, select common parameters such as z-score,bias estimation and percentage relative difference based on mathematical statistics, which makes it possible to evaluate reasonability of physica...

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