2014 Vol. 28, No. 1

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Development and Creation
Application of Pure-Concrete-Pile in Mixed Soils of Venezuela
Wu Xuelin, Tang Guoyi, Dai Yanxiong
2014, 28(1): 1-4. doi: 10.3969/j.issn.1007-2993.2014.01.001
[Abstract](55) [PDF 2879KB](9)
Abstract:
The topography and geomorphology of which surrounded by mountains is the material sources of mixed soils in Caracas,Venezuela.The project in this paper is located in Caracas with the mixed soils that contain sand,gravel,silt and silty clay.And the mixed soils with lower bearing capacity is unhomogen...
Experimental Study on Deep Soft Ground of High Speed Railway Treated with Bored Pile-continuous Thin Plate Structure
Sun Honglin
2014, 28(1): 5-9. doi: 10.3969/j.issn.1007-2993.2014.01.002
[Abstract](59) [PDF 2909KB](7)
Abstract:
The settlement and the long-term dynamic stability of soft ground were the key technical problems,when the low subgrade of high speed railway with ballastless track was constructed in deep soft soil region.The soft ground will have large residual settlement under embankment load because of its high ...
Design and Construction of Deep Excavation Support in Shenzhen East Gate No. 61 Compound
Cao Xiaopin
2014, 28(1): 10-13. doi: 10.3969/j.issn.1007-2993.2014.01.003
[Abstract](43) [PDF 2799KB](13)
Abstract:
The project of shenzhen east gate No.61 compound is located in east gate commercial street,Luohu,Shenzhen,it is adjacent to the subway and existing shallow foundation buildings.The depth of excavation is 17.15 m and 18.60 m.According to surrounding environmental requirements and geologic conditions,...
Technology Probe and Research
Discussion about Anti-floating Design of Subway Station
Yang Hongmei, Li Ling, Wang Shengjun
2014, 28(1): 14-19. doi: 10.3969/j.issn.1007-2993.2014.01.004
[Abstract](77) [PDF 1163KB](17)
Abstract:
Anti-floating design is very important for subway design,and it greatly affects the cost of construction.There are several controversy about design parameters,anti-floating calculation.The writer researches on latest codes and expert opinions,and introduces the confirmation of waterproof location,an...
Experimental Study on the Effects of Water Content and Clay Material on Stability of Sliding Zone Soils
Li Hongbo
2014, 28(1): 20-23,28. doi: 10.3969/j.issn.1007-2993.2014.01.005
[Abstract](48) [PDF 1932KB](11)
Abstract:
In order to analysis the stability of a Nanjing slope,a quantitative analysis through test method was carried out.Using test method to reveal change in clay minerals and water content of structural plane influence the strength parameters c、φ and F of rock slope.Some results were present:1) the safet...
The Discussion of Calculation to Water & Earth Pressure and the Preferred Shear Strength Index
Zhang Haidong, Liu Xu
2014, 28(1): 24-28. doi: 10.3969/j.issn.1007-2993.2014.01.006
[Abstract](54) [PDF 605KB](12)
Abstract:
The shear strength index is very important in geotechnical calculations,how to use the shear strength indices under different test conditions in engineering practice concerns whether the project is secure and stable,this problem has long been a rather hot debate in engineering rield.From the fundame...
The Analysis of the Seepage and the Stability of the Zhangjiawan Reservoir Dam
Guo Jiapeng
2014, 28(1): 29-32. doi: 10.3969/j.issn.1007-2993.2014.01.007
[Abstract](101) [PDF 1468KB](11)
Abstract:
This paper takes Zhangjiawan reservoir dam as an example to analyse the seepage stability by using finite element method and the slope stability by using the Swedish circle method and the Bishop method of the homogeneous earth darr.On this base evaluating the safety and the seepage and slippage resi...
Numerical Simulation Research on Spatial Variation of Displacement of Underground Pipeline During Excavation of Deep Foundation Pit in Tianjin Soft Soil Area
Ji Kuixiang, Guo Jinjing, Zhou Yuming
2014, 28(1): 33-36,50. doi: 10.3969/j.issn.1007-2993.2014.01.008
[Abstract](47) [PDF 4615KB](10)
Abstract:
Taking a deep foundation pit engineering of a research building in Tianjin as an example,analysis adjacent pipeline displacement rule caused by foundation pit excavation with the finite element simulation.Simulation results show that different excavation sequence will lead to different displacements...
Reinforcement Technology of Foundation Pit Engineering on Miscellaneous Fill Soil Rich in Water
Liu Hailong, Zhang Zhihua, He Xiaofei
2014, 28(1): 37-40. doi: 10.3969/j.issn.1007-2993.2014.01.009
[Abstract](45) [PDF 1266KB](9)
Abstract:
A project faces a problem which is water burst and sand boil between the piles on miscellaneous fill soil when digging the soil and settig up anchors after constructing the slop shield piles,and now we need to reinforce its foundation pit on the miscellaneous fill soil.After detailed demonstration,w...
Research on Permeability of Compacted Bentonite with Fracture
Chen Jie, Zhang Yonghao, Wang Qinghai
2014, 28(1): 41-44. doi: 10.3969/j.issn.1007-2993.2014.01.010
[Abstract](47) [PDF 853KB](9)
Abstract:
In order to evaluate the self-healing effect of bentonite fracture,researches were carried on to find the changing rules of permeability coefficient for the compacted bentonite samples,which have different fracture configurations and numbers,by permeated-saturated experiments.The statistical methods...
Application of Vacuum Preloading in the Pearl River Basin of a Dredger Fill Site
Qin Jiao
2014, 28(1): 45-47,55. doi: 10.3969/j.issn.1007-2993.2014.01.011
[Abstract](51) [PDF 3044KB](11)
Abstract:
This paper based on the Pearl River Basin of a dredger fill site case,introduces the construction parameters and the application effect of vacuum preloading,and makes a quantitative analysis of the formation strength in mud deep mixed column.The results show that the vacuum preloading is applicable ...
The Application of Dynamic Compaction Ground of Liquefaction
Wang Tienan, Li Jun
2014, 28(1): 48-50. doi: 10.3969/j.issn.1007-2993.2014.01.012
[Abstract](44) [PDF 2862KB](10)
Abstract:
Liquefaction mechanism of geotechnical investigation about saturated sand and silt in the article are expounded,the paper mainly analyzes the influence factors that can eliminate the dynamic compaction,which work with similar liquefied sites in geotechnical investigation.
Experimental Reserch on Engineering Characteristics of Carbon Mudstone in Liupanshui, Guizhou Province
Liu Ziang, Man Li, Bie Jiangbo
2014, 28(1): 51-55. doi: 10.3969/j.issn.1007-2993.2014.01.013
[Abstract](109) [PDF 3405KB](17)
Abstract:
Compared with ordinary mudstone,carbon mudstone in Liupanshui has special engineering characteristics.The mechanical characteristics of the area of carbon mudstone are researched in detail through fall cone test to determine liquid limit and plastic limit,compaction tests,shear strength test,and com...

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