Search results

A Research of Reinforcing Ingate in Shale-laminated Sandstone Qiao Weiguo1, a，Lv Yanxin2,b，Wei Liechang2,c 1 Shandong University of Science and Technology;Qingdao 266510, China; 2Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation;Qingdao 266510, China; aqiaowg1@163.com, blv.yanxin@hotmail.com, cweiyide52@163.com Keywords: Ingate consolidation; Grouting; Support; Convergence deformation test; Bolting-grouting; Abstract: The auxiliary shaft ingate of Pengzhuang Coal Mine deformed greatly with large roof fallings.
Through the analysis of destruction, the ingate reinforcement schema is put up according to the engineering consolidation experience and the advanced consolidation experience at home and abroad.
Test and analysis of rock physical and mechanical properties According to engineering geology index test results of Pengzhuang auxiliary shaft, the rock having the lowest tensile strength is the mudstone, located in the depth of 324.0～324.80m.
Engineering mechanics jointed rock mass [M].

Study on seismic behavior of evacuated square pyramid space grids in a project Shengnan Wang1,a, Lai Wang2,b 1Shandong University of Science and Technology, Qingdao266590,China 2Shandong Provincial Key Laboratory of Civil Engineering Disaster Prevention and Mitigation(Shandong University of Science and Technology), Qingdao266590, China awangshengnan1234@126.com, bwlkdtjxy@sina.com Keyword: evacuated square pyramid space grids; the natural vibration characteristics; seismic response analyses; finite element model.
The results provide an important guiding significance for engineering design and development of this structure.
This is according with engineering practice better.
Numerical Analysis of Engineering Structure on ANSYS.

The full-wave band CCD system is widely used for military,civil or photography of criminal image and extraction analysis,its wavelength is range between 200 nm and 1200 nm,including ultraviolet,visible light and infrared.Through translating blanck visibleimage into optical image,and realizing collecting of weak signal under low illumination case and collecting and processing of high quality image,it makes Full-wavelength CCD system the powerful features such as the topography and landform scaning,traces exploration,file inspection,holographic photography and image processing.The whole band CCD system structure,characteristic and the application of the image interpretation technology were briefly introduced in this paper,and experiment band CCD selected was validated.
[7] Cao Ri gets up.Technical research of distance finding of laser scanning [D] on the basis of CCD.Harbin:Harbin Engineer University,2006.

Study and design a set of economical and practical mid-and-long term monitoring system for long-span prestressed concrete continuous rigid frame bridge relying on the engineering of Xintan Qijiang Bridge in Chongqing.
Taking Xintan Qijiang Bridge in Chongqing as a engineering background and referring to the built bridge monitoring system, the paper studies and designs a set of economical and practical mid-and-long term monitoring system for long-span prestressed concrete continuous rigid frame bridge.
Design of sensor system Stress Monitoring System Selection of monitoring equipment In order to avoid the failure of sensor due to cutting test line or losing number of test line, guarantee the long-term implementation of engineering monitoring and keep enough accuracy, Xintan Qijiang Bridge decides to select and use JMZX-215 embedded and intelligent concrete steel ring strainmeter and JMZX-2001 general-purpose tester as the observation instrument for stress through comparison.
Summary Taking Xintan Qijiang Bridge in Chongqing as a engineering background and referring to the built bridge monitoring system, the paper studies and designs a set of economical and practical mid-and-long term monitoring system for long-span prestressed concrete continuous rigid frame bridge, and conduct comparative analysis between test data and theoretical calculating value after running for 2 years, such as concrete stress, external effect prestressing, vertical prestressing and girder transformation.
Reference [1] Zhang Xuesong, Luo Wei, Liu Yongke Design of Mid-and-long Term Monitoring System for Xintan Qijiang Bridge, 18th National Bridge Academic Conference Proceeding (II), 2008 [2] Xu Dong Design and Construction Technology of External Prestressing, China Communications Press, 2008 [3] Shi Pengcheng Study on Heath Monitoring System of Large-Span Continuous Rigid Frame Bridge [D], Chongqing, Chongqing Jiaotong University, 2009 [4] Li Hongnan, Gao Dongwei, Yi Yanhua Study and Development of Health Monitoring System for Civil Works [J], Mechanics Development, 2008.38(2)

A Constitutive Model of Rocks under Uniaxial Tension DongQiao Liu1, 2, a 1School of Mechanics & Civil Engineering, China University of Ming & Technology (Beijing), China 2State Key Laboratory for GeoMechanics and Deep Underground Engineering, Beijing, China aliudongqiao@yeah.net Keywords: Uniaxial Tension; Constitutive Model; Deformation Modulus Abstract: A constitutive model is proposed to simulate the completely deformation process of rocks under uniaxial tension.
Introduction Stress redistribution induced by underground engineering and slop engineering results in the tensile zone in parts of the surrounding rock mass.
Chinese Journal of Geotechnical Engineering, 1998, 20(6): 5-8
Chinese Journal of Rock Mechanics and Engineering, 2008, 27(7): 1402-1410
Engineering Geology, 1972, 6(3): 155-189

Analysis on Secondary Effect of Corrugated Webs in Steel-concrete Composite Beams Kebin JIANGa , Yong DINGb , Yawen LIUc , Feng ZHENGd Engineer Institute of Engineering Corps, PLA Univ. of Sci.
Hamilton: Journal of Structural Engineering.
Abbas, Richard Sause: Journal of Structural Engineering.
Driver: Journal of Sturctural Engineering.
Vol. 133(2007), p. 347-355 [8] WANG Xucheng: Finite element Methods (Tsinghua University Press, Beijing 2003), p. 434-436 (in Chinese) [9] CHEN Huifa: Constitutive Equations of material used in Civil Engineering (Huazhong Technology University Press, Wuhan 2001), p. 140-143 (in Chinese) [10] Shah M.

Study of Crack Initiation and Propagation in Rock under Coupled Static and Dynamic Loads Zhizhen Zhang1, 2, a, Feng Gao 1, 2, b, Yang Cui 2, 3, c, Xiaoji Shang 2, d 1State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China 2School of Mechanics and Civil Engineering, China University of Mining & Technology, Xuzhou, Jiangsu 221116, China 3Department of Hydraulic Engineering, Shandong Water Polytechnic, Rizhao, Shandong 276826, China azzzcumt@163.com,bfgao@cumt.edu.cn,ci870625@tom.com,dxj2900@126.com Keywords: rock mechanics, coupled static and dynamic loads, crack, initiation, propagation Abstract.
Introduction Jointed and fractured rock masses exist widely in water conservancy, transportation, mining and other projects as complex engineering medium.
But in many deep underground engineering, such as deep mining, tunnel excavation and so on, the fractured rock mass under high in-situ stress is disturbed by dynamic stress, namely the fractured rock mass is under coupled static and dynamic loads, so studying the extending behavior of rock crack under coupled static and dynamic loads is very important for the safety of the rock engineering.
References [1] Hudson J A and Jarrison J P: Engineering rock mechanics (Elsevier Science Ltd., UK 1997)
[2] Yujun ZUO, Xibing LI and Chunde MA: Journal of Central South University of Technology Vol. 12 (2005), p. 742(In Chinese) [3] Xibing LI, Yujun ZUO and Chunde MA: Chinese Journal of Rock Mechanics and Engineering Vol. 24 (2005), p. 2814(In Chinese) [4] Yujun ZUO, Xibing LI and Chunde MA: Chinese Journal of Rock Mechanics and Engineering Vol. 24 (2005), p. 741(In Chinese) [5] Chunde Ma, Xibing Li and Feng Chen: Mining Research and Development Vol. 24 (2004), p. 1 [6] Yujun Zuo: Study on failure and fragmentation characteristics of rock under static-dynamic coupling loading(Central South University, China 2005).

Information Management of Maritime Work based on GIS LIU Jun-ping1,a *, DONG Fei-long1,b and SHAO Jia-wei1,c 1College of Civil Engineering and Architecture, Zhejiang University of Technology, Hangzhou 310014, China aLJP23@163.com, bdongfeilong86@126.com, crain542380809@live.com Keywords: Geographic information system, Maritime work, Spatial information, Feedback.
At the end of July 2007, the government completed the reinforced maintenance engineering of dam.
Engineering data are input into geographic information system of Kaomen seawall.
At the same time, the elements of selected on the map are used to update the attributes to reflect changes in the geographical engineering.
Geographic information system is used in the seawall engineering to solve some substantive issues.

Earthquake Engineering and Engineering Vibration.
Earthquake Resistant Engineering.
Engineering structures.
Journal of Structural Engineering.
Engineering Structures.

Progressive Slide analysis of Arch Dam Abutment Yingming Chen 1, a School of Civil and Architectural Engineering.
It has always been valued to the engineering.
Comparing to the traditional safety factor method, it can give a quantitative evaluation for safety to help engineers discover the weakness parts of abutment in design, which is helpful for engineering decision and reform.
Engineering Mechanics12(4).
Journal of Hydraulic Engineering (7).p: 60. 1990 [3] Yang Lingqiang et al..