2014 Vol. 28, No. 2

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Development and Creation
Real-time Analysis System of Rock Stability Based on the Block Theory
Yu Yongchao
2014, 28(2): 55-59. doi: 10.3969/j.issn.1007-2993.2014.02.001
[Abstract](62) [PDF 3538KB](7)
Abstract:
Block theory is one of the commonly used methods for rock stability analysis. Different from other numerical analysis methods, block theory is essentially geometrical analysis, which required little and simple parameters, the processing is rapid and the computing results are easy and practical. Base...
Design and Analysis of a Deep Foundation Pit in Nanjing West
Lu Feng, Zhu Ming, Yan Ronghua
2014, 28(2): 60-63,105. doi: 10.3969/j.issn.1007-2993.2014.02.002
[Abstract](46) [PDF 4202KB](11)
Abstract:
The excavation of deep foundation pit is a very complex project, in the design and construction of foundation pit, should not only consider the security and stability of retaining structure, should also consider the effect of groundwater on the stability of foundation pit and the complexity of the e...
Technology Probe and Research
Case Study and Numerical Comparison of Deformation Based on the Composite Foundation with Different Reinforcement
Yin Chenpeng, Zhang Huaijing, Sun Hongwei
2014, 28(2): 64-69,87. doi: 10.3969/j.issn.1007-2993.2014.02.003
[Abstract](55) [PDF 3444KB](10)
Abstract:
The natural ground of a object can not meet the requirements of bearing capacity and differential settlement and there is thick filling which is based on fly ash under the foundation, so the natural ground need to be reinforced. Firstly, comparing the two different treatment schemes and considering ...
A Formula Method to Determine Ratio of Ultimate Shaft Capability in Tension and Compression
Kang Tao, Zhang Xiaoyu
2014, 28(2): 70-72. doi: 10.3969/j.issn.1007-2993.2014.02.004
[Abstract](162) [PDF 594KB](18)
Abstract:
Uplift piles, as one type of deep foundation, have been widely used in various field. But because of lack of a solid theoretical foundation, the value of the ratio of ultimate shaft capability in tension and compression are mainly based on empirical data. Limit equilibrium equations of single pile a...
Technology of Tunnel Curtain Grouting Method Used in Tongluoshan
Pu Huizhong, Cai Yunze, Wang Weihua
2014, 28(2): 73-75,82. doi: 10.3969/j.issn.1007-2993.2014.02.005
[Abstract](37) [PDF 4038KB](9)
Abstract:
Whe tunnel across the water-rich lamination broken rock layer, because of water pressure,it is easy to cause water gushing-out after the tunnel is excavated. By the way, mud and other sudden accident would he happened. The lamination structure of water has the long-term pressure to structure as well...
Fuzzy Evaluation Method on Rockmass Strength Parameters of Cut Slope
Li Yushu, Feng Su
2014, 28(2): 76-78. doi: 10.3969/j.issn.1007-2993.2014.02.006
[Abstract](48) [PDF 339KB](10)
Abstract:
Rockmass strength parameter is an important mechanics index in major engineering. Now many empirical rela-tionships for this parameter based on that of rock often occurs index determination difficulty and inaccurate estimating results. Fuzzy discount method for rockmass strength parameter getting fr...
Implement Methods and Effects of Viscous-spring Artificial Boundary in Seismic Analysis of Embankments
Yang Yang, Huang Deqiang
2014, 28(2): 79-82. doi: 10.3969/j.issn.1007-2993.2014.02.007
[Abstract](60) [PDF 6717KB](6)
Abstract:
Combined with an embankment engineering on the downstream of Min River in Fujian province, a simple and convenient implementation method of viscous-spring artificial boundary, dynamic responses of the embankment by the nonlinear finite element program,and discussed the dynamic response characteristi...
Simulation Study of Stability of Different Store Stage of Yujiagou Tailings Dam
Liu Hengxin, Liu Haijian, Yang Anhui
2014, 28(2): 83-87. doi: 10.3969/j.issn.1007-2993.2014.02.008
[Abstract](57) [PDF 6184KB](10)
Abstract:
Using the simulation software SEEP/W of Geo-Studio and embankment stability analysis system software HH-SLOPE, the seepage stability and slope stability of different store stage of Yuiiagou tailings dam are studied. The change rules of seepage and stability of slope are researched when the elevation...
Analyses the Influence Factors of Building Groundwater Level for Prevention of Up-floating in Beijing Area
Kong Linglin, Liu Chun, He Jianyong
2014, 28(2): 88-91. doi: 10.3969/j.issn.1007-2993.2014.02.009
[Abstract](64) [PDF 483KB](16)
Abstract:
The analysis and research on all possible factors and influence degrees of the groundwater dynamic change of building site is the important foundation of the security, economic and reasonable building groundwater level for prevention of up-floating. In this paper, to research and analyze various inf...
Deep Foundation Pit Technology
Application of Bored Cast-in-place Pile and SMW in Foundation Pit
Wei Renjie, Ma Jun
2014, 28(2): 92-95. doi: 10.3969/j.issn.1007-2993.2014.02.010
[Abstract](72) [PDF 4765KB](12)
Abstract:
Taken a foundation pit project in Shanghai as an example, the bored cast-in-place pile and SMW with steel bracing were used based on analysis of the characteristics of the foundation pit. The bracing method was calculated and analyzed. Problems in the construction process that should be paid attenti...
Analysis and Research of Fringe Truss-Internal Supporting System in Deep Foundation Pit
Wang Tao, Yan Zhenhuan
2014, 28(2): 96-99,108. doi: 10.3969/j.issn.1007-2993.2014.02.011
[Abstract](87) [PDF 15584KB](15)
Abstract:
Based on engineering example, research is carried out on force characteristics and performance of fringe truss-internal supporting system Differences between monitoring actual value and calculated value are analyzed. Problems about design and constructions process that should be paid attention to ar...
Calculation of Retaining Structure with Double-row Piles of Finite Soils
Fang Chengfei, Chu Zhenhuan
2014, 28(2): 100-105. doi: 10.3969/j.issn.1007-2993.2014.02.012
[Abstract](38) [PDF 6932KB](11)
Abstract:
Deep excavation supporting engineering which is close to the existing basement structure, the width of ground is limited. The deformation characteristic and distribution of the earth pressure of retaining structure with double-row piles which has been effected by the basement have been analyzed by t...
Analysis of Spatial Effect and Deformation of Soil Nailing Walls
Zhang Dan, Fa Liteng, Wang Jian
2014, 28(2): 106-108. doi: 10.3969/j.issn.1007-2993.2014.02.013
[Abstract](52) [PDF 5511KB](9)
Abstract:
Retaining structure with soil nailing walls which has a deformation of obvious spatial effect is the most commonly used form of foundation pit retaining structure in the Beijing area. This retaining structure usually uses the method of design that one section is applied to every part of the foundati...

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