2016 Vol. 30, No. 3

Development and Creation
Development and Application of Measuring Automatic Deformation Monitoring System Based on Georobot TS30
Chen Lei, Yin Yanyun
2016, 30(3): 109-112,128. doi: 10.3969/j.issn.1007-2993.2016.03.001
Abstract:
In this paper,a kind of automatic deformation monitoring system is developed,which is based on the TS30,combined with GeoCOM technology,Visual C++ data base and data transmission technology.Accuracy statistics and inspection for traditional and automatic observation data is through internal accord a...
Shallow Marine Seismic Reflection Applied in the Investigation of Coral Island and Reef
Duan Zhigang, Liu Chengtian, Xia Lihua
2016, 30(3): 113-117. doi: 10.3969/j.issn.1007-2993.2016.03.002
Abstract:
The coral reef is a special geotechnical type,its engineering characteristics is a new subject for the geotechnical engineer.There are fewer experiences in coral reef investigation,and no investigation code or norm exists at home.The borehole drilling is badly limited for the severe weather as well ...
Field Testing Study on Settlement and Stresses of Gravel Pile Composite Ground
Han Qiankun, Li Xiaojiang, Liu Junxin
2016, 30(3): 118-123,139. doi: 10.3969/j.issn.1007-2993.2016.03.003
Abstract:
Design of Passenger Dedicated Line roadbed is on more reflected strict control on the embankment deformation.In the DK61 site of some railway line where soft clay foundation was used by gravel pile treatment,field monitoring of settlement and stress for composite ground was conducted on-stress varia...
Technology Probe and Research
An Example of Consolidation in Large Area of Soft Clay
Han Shaoying, Zhao Zaili
2016, 30(3): 124-128. doi: 10.3969/j.issn.1007-2993.2016.03.004
Abstract:
The principle of preloading consolidation method is that the foundation soil under the load actions(with an increasing total stress σ) can increase pore water drainage(i.e.,reducing the pore water pressure μ) and effective pressure σ'.This paper introduces the design and construction methods to cond...
Research on the Algorithm of Architecture Data Extraction Based on Airborne LIDAR
Yan Liang, Xu Jiaohuang
2016, 30(3): 129-133. doi: 10.3969/j.issn.1007-2993.2016.03.005
Abstract:
Airborne laser radar measurement can quickly obtain the 3D information of high accuracy,which can be used in 3D city modeling.Construction is the main body of the city,and it has been a hot research topic in the construction of data extraction from airborne LIDAR data.Data extraction from airborne L...
Inclined Bracing Deformation and Its Environmental Impact Control Measures
Du Ce
2016, 30(3): 134-139. doi: 10.3969/j.issn.1007-2993.2016.03.006
Abstract:
Inclined bracing deformation has uniqueness,Using the model of beam on elastic to calculate deformation of retaining structure and the experience curve to predict the surface settlement is not safe.This paper by using finite element software PLaxis,Analyzing the characteristics of the foundation pit...
Discussion of Different Hanging Shotcrete Applications Between Pile Foundation Pits
Xu Shixiong, Liu Xiangke, Hu Hongbiao
2016, 30(3): 140-142. doi: 10.3969/j.issn.1007-2993.2016.03.007
Abstract:
Three protective structure practice between retaining piles about building construction excavation structure are described on page 30,31 in the national Building Standard Design Atlas 11SG814.Several application examples are introduced to compare and analyze the problem of which is the best way.It i...
The Impact of Loess Sinkhole on the Highway Stability
Li Tao, Wei Zhanggang, Hu Yanyu
2016, 30(3): 143-147. doi: 10.3969/j.issn.1007-2993.2016.03.008
Abstract:
The impact of loess sinkhole on the roadbed stability of loess areas is analyzed combined with the engineering examples,and treatment measures are proposed pertinently.
Application of Settlement Back Analysis in Oil Tanks Foundation Rectification
Wang Xiaobo, Liu Huancun, Deng Caixiong
2016, 30(3): 148-152. doi: 10.3969/j.issn.1007-2993.2016.03.009
Abstract:
Based on a concrete engineering example of oil tanks,a mathematical model for settlement back-analysis is established in this paper by using the traditional layer-wise summation method and the principle of least square method.In the meanwhile,according to the strata subsidence deformation parameters...
FLAC(3D) Analysis of the Soil Excavation Influence on the Deformation of Flexible Pressure Pipe
Zhang Qinxi, Shi Chaodong, Xu Chao
2016, 30(3): 153-157,163. doi: 10.3969/j.issn.1007-2993.2016.03.010
Abstract:
In this paper,based on the theory of flexible pressure pipe structure,the stress state of the flexible pipe and the law of the joint action of the pipe and soil are analyzed by FLAG3" finite difference software.By orthogonal test,the influence of various factors on the displacement of the pipeline i...
Research on Technical Measure for Metro Shieldtunnel Lateral Crossing Below Existing Railway Bridge
Yu Long
2016, 30(3): 158-163. doi: 10.3969/j.issn.1007-2993.2016.03.011
Abstract:
In this paper,based on the actual case of metro shield lateral crossing below the existing railway bridge,the influence between the shield construction and the railway bridge was investigated.The regulations and provisions on the settlement of bridge in different codes were introduced.Move over,anal...