2016 Vol. 30, No. 2

The 7th National Geotechnical Engineering Communication Meeting Special Report
Nondestructive Detection of Ground Defects and Risk Evaluation for Safety Evaluation of City Roads
Xiao Min, Shen Xiaoke, Jia Hui, Su Zhaofeng, Chen Changyan, Bai Chaoxu
2016, 30(2): 55-62,84. doi: 10.3969/j.issn.1007-2993.2016.02.001
Abstract:
Ground-defects-induced road surface collapses have increasingly taken place in recent years and thus it has become a demanding need and a conundrum as well to detect the distribution and prevent disastrous impact of the defects induced mainly by unfavorable ground conditions for the safety of city r...
Development and Creation
Geotechnical Investigation Field Data Collection System Based on Tablet PC
Liu Wenbin, Guo Zhongze, Yan Degang
2016, 30(2): 63-65,99. doi: 10.3969/j.issn.1007-2993.2016.02.002
Abstract:
In the information age, internet and database technologies are developed rapidly, while the development of geotechnical investigation is lagging far behind the times because the field data is still being recorded by paper and pen. In this article, Geotechnical Investigation Field Data Collection Sys...
Reinforcement Design of Counterfort Retaining Wall for Embankment Slope of Mountain Areas
Zhang Liang
2016, 30(2): 66-69,77. doi: 10.3969/j.issn.1007-2993.2016.02.003
Abstract:
This paper based on geological conditions, soil parameters, design parameters of counterfort retaining wall and feedback information of construction, analyzed the inclination accident of a road counterfort retaining wall located in Chongqing. According to the analysis of the result and deformation c...
Design and Application of the Foundation Pit Deformation Monitoring Integration of 3D Data Acquisition and Processing System
Sun Yuanping, Yao Peijun, Liu Hongchen
2016, 30(2): 70-73. doi: 10.3969/j.issn.1007-2993.2016.02.004
Abstract:
Introducing the use of Visual C++ combined with the deformation monitoring of the foundation pit excavation, making the foundation pit deformation monitoring integration of 3D data acquisition and processing system, it realizes: project management, data transmission, data sorting, adjustment file ge...
Measurement for Soil Deformation During the Diaphragm Wall Trench Construction
Yan Ronghua, Du Mingli, Zhu Ming
2016, 30(2): 74-77. doi: 10.3969/j.issn.1007-2993.2016.02.005
Abstract:
In order to analyze the influence of soil deformation surrounding the trench of diaphragm wall during the construction period, the diaphragm wall trench, thickness 1.2 m, width 4. 5 m and depth 61.0 m, was tested before the retaining wall of foundation pit constructed in Nanjing Hexi area. The resul...
Evaluating Coefficient of Subgrade Reaction by Statically Tests and Its Application
Zhang Wu, Zhang Bo, Zhang Shaoqin
2016, 30(2): 78-84. doi: 10.3969/j.issn.1007-2993.2016.02.006
Abstract:
This paper puts forward the methods of calculating modulus of subgrade reaction, based on static loading test which contains full load segments, incomplete, irregular, or lack of clear ultimate load curves. According to static load tests instance in 4 project testing in African continent, the modulu...
Application of BIM Technology in Geotechnical Engineering-Taking the Foundation Pit Engineering of Wuhan Asian Hospital as an Example
Liu Xu, Liu Zhihao, Lei Zhijuan
2016, 30(2): 85-88. doi: 10.3969/j.issn.1007-2993.2016.02.007
Abstract:
BIM technology has many characteristics, such as 3D visualization, collision detection, engineering information management, it greatly improves the engineering quality and efficiency, in the construction field has got rapid development. However, in geotechnical engineering, because of its charging m...
Technology Probe and Research
Simply Discussion of Several Problem for Construction Monitoring of Foundation Pit Engineering
Yan Boduo, Wang Yuping, Ma Lianzhong
2016, 30(2): 89-93,108. doi: 10.3969/j.issn.1007-2993.2016.02.008
Abstract:
This paper simply describes features of construction monitoring, project design of monitoring, It is includes the contents of monitoring, the layout of benchmarks, the layout and observation of monitoring points, the frequeney of monitoring, and alarming value. As well as precision requirements of m...
Methods and Engineering Cases of Ground Treatment in Beijing Mountain Areas
Liu Bo, Wei Haitao, Li Liangjie
2016, 30(2): 94-99. doi: 10.3969/j.issn.1007-2993.2016.02.009
Abstract:
Along with the rapid development of economy, building land is less and less, one of the city development di-rection is to fully employ the mountain land. by analyzing the stratigraphic features, main with a typical in Beijing mountain area near struction method were detailed introduced to This aticl...
The Application of Ground Penetrating Radar Detecting Ground Damage
He Liang
2016, 30(2): 100-104. doi: 10.3969/j.issn.1007-2993.2016.02.010
Abstract:
On the basis of the radar theory, combined with the engineering example, this paper expounds the application of GPR in the detection of foundation pit excavation in the disease. Through the analysis of the mechanism of foundation diseases, summarizes the typical characteristics of the soil foundatio...
A Subway Shield Tunnel Construction Monitoring Technology
Sun Jianchao, Liu Jin
2016, 30(2): 105-108. doi: 10.3969/j.issn.1007-2993.2016.02.011
Abstract:
The subsidence of the ground monitoring and control is the most critical issues in the subway tunnel shield construction. Based on a subway shield tunnel construction monitoring technology as an example, analyzes the monitoring project, method, frequency, alarm, control standard, data processing and...