2011 Vol. 25, No. 4

Development and Creation
An Evaluation Model of Supporting Schemes for Slope with Triangular Fuzzy Numbers and Its Application
Wang Guofu, Wang Weiming, Feng Yuguo
2011, 25(4): 163-167,172. doi: 10.3969/j.issn.1007-2993.2011.04.001
Abstract:
Due to inadequate information,incomplete data in evaluation of supporting schemes for slope,and the complicacy and uncertainty of the evaluation for slope and the fuzziness of human thinking,the evaluation value of the scheme is difficult to be expressed, the value represented in triangular fuzzy nu...
Time-varying Creep Constitutive Model Identification of Rock Based on HPSO Algorithm
Liu Wenbin
2011, 25(4): 168-172. doi: 10.3969/j.issn.1007-2993.2011.04.002
Abstract:
Hybrid Particle swarm optimization (HPSO) algorithm is a stochastic global optimization technique with many advantages, such as quick convergence, simple regulation and easy implementation. In order to determine the time-varying parameters of creep constitutive model of rock, in this article, a new ...
Analysis of Pile-anchor System With Fulcrum Method and Parameter Backcalculation Based on Monitorint
Zhang Chaowen, Ji Xiaopeng
2011, 25(4): 173-179. doi: 10.3969/j.issn.1007-2993.2011.04.003
Abstract:
Deformation as a control condition for supporting structure design in foundation pit is a very complex engineering problem, but fulcrum method is accepted by lots of engineers for its clear computing model and simple procedure. In fulcrum method calculation, the accuracy of the m-value effects the d...
Analysis on Several Main Points in Urban Road Non-destructive Inspection of Ground Penetrating Radar
Su Zhaofeng, Chen Changyan, Zhang Hui
2011, 25(4): 180-182,186. doi: 10.3969/j.issn.1007-2993.2011.04.004
Abstract:
According to the concrete problems of GPR in detecting city roads, the article introduces severa.l technical points of GPR such as central frequency of antenna,laying the measuring line,the measuring line location, testing speed,electromagnetic wave velocity and so on。It is important to access the "...
Technology Development and Exploration
Oceanographic Engineering Investion Attemption and Exploartion
Liu Yuehui, Zhou Shichong, Li Pulin
2011, 25(4): 183-186. doi: 10.3969/j.issn.1007-2993.2011.04.005
Abstract:
For obtain the geological datum of Oceanographic engineering, we used the methods of areal geology datum collection, physics exploration, engineering drilling and Soil Test.Through Investingation of petroleum platform and offshore pipeline route in east bay of Liao Ning,we got some experience of the...
Understanding of the Recently Deposited Soil in Beijing Area
Ma Yujie
2011, 25(4): 187-191. doi: 10.3969/j.issn.1007-2993.2011.04.006
Abstract:
The recently deposited soil was recognized in 1950s. But now in engineering practice there're still some difficulties in distinguishing recently deposited soil. In order to know this kind of soil better and instructing the work of geotechnical investigation more effectively, summarization of other r...
Application of Shallow Foundation in Hunan Shaoyang of a High-rise Building
Xia Xiangqing, Yang Tianchun, Wang Shidang
2011, 25(4): 192-194,198. doi: 10.3969/j.issn.1007-2993.2011.04.007
Abstract:
The authors mainly introduce the application of shallow foundation in Shaoyang of a high-rise building in this paper, and emphasize the importance of elaborately investigate in overburden when in high-rise buildings, and also point out the feasibility of shallow foundation in some high-rise building...
The Influence of the Building on Ground Settlement Caused by Excavation of Shallow Tunnel
Xu Yingzi, Gao Wei, Song Fengchao
2011, 25(4): 195-198. doi: 10.3969/j.issn.1007-2993.2011.04.008
Abstract:
By using analytical method, the excavation induced ground ground settlement is analyzed. Through surface subsidence Caused by rock-soil excavation and the the relative subsidence caused by distributed load on semi-infinite plane,the ground settlement formular caused by the shallow tunnel excavation ...
A Research on Test Specimen for Multi-stage Loading Triaxial Which is Undrained Because of Lithification
Chen Chunfang, Chen Xiuyun, Lou Xihua
2011, 25(4): 199-203,210. doi: 10.3969/j.issn.1007-2993.2011.04.009
Abstract:
After the research on the contrast test between hundreds of groups of on soft clays test with a specimen for Multi-stage loading Triaxial which is undrained because of lithification and many normal specimens test (briefly called Diversely cut) from Ningbo and Wenzhou,it shows that there are great di...
Research on the Type of Geo-Hazard, Distribution and Evolutionary Characteristics in Liu Ba County
Qi Purong, Chen Haijuan
2011, 25(4): 204-206. doi: 10.3969/j.issn.1007-2993.2011.04.010
Abstract:
Based on the detailed geo-hazard survey in Liuba county, there were ahogether 239 geo-hazard cases. The primarily type of geo-hazard are landslide and collapse, accounting for 98.33%. The geo-hazard scale by small primarily, altogether has 190, accounts for 79. 50% of the total geo-hazard cases. Has...
The Design and Development of the Transportation Geotechnical Engineering Geographic Information System of Jiangxi Province
Ji Qiwei
2011, 25(4): 207-210. doi: 10.3969/j.issn.1007-2993.2011.04.011
Abstract:
the transportation geotechnical engineering geographic information system is playing the vital role in the national economy and in the Transportation engineering construction. The application of GIS and computer technology in building the transportation geotechnical engineering geographic informatio...
Deposition Test Research on Sand and Stone in Simulated Shaft
Liu Xinliang, Yin Xiaoli, Li Yanxia
2011, 25(4): 211-213. doi: 10.3969/j.issn.1007-2993.2011.04.012
Abstract:
During the process of sand and stone backfilling, such abnormal phenomena like instable backfilling height, large extent of the simulated casing stress, which directly affect the safety of project. By preliminary analysis, the behavior of sand and stone when backfilling is the major factor that lead...
Analysis on the Impact of Fibers on the Property of Expansive Soil Reinforced with Lime
Li Zhipeng, Zhang Yuting, Ma Xilei
2011, 25(4): 214-217. doi: 10.3969/j.issn.1007-2993.2011.04.013
Abstract:
The researcher first did experimental analysis on the basic property of expansive soil, and the compaction test on natural expansive soil and on lime soil with and without fibers. The conclusion is that the lime soil with a small quantity of fibers has little effect on optimum moisture content and t...