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15 August 2004, Volume 23 Issue 4 Previous Issue    Next Issue

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Non-linear stability analysis for process of heat treated chord member for arch-bridge of CFST LUO Ming , LIU Xiao-yu , WANG Xue-qin 2004, 23(4): 1-3.  Abstract ( )   PDF (146KB) ( )   The process of heat treated chord member for arch-bridge of CFST are analyzed by non-linear stability analysis through "ANSYS". With disparate temperature, diameter and diameter-thickness ratio, the discriminant for buckling moment is found out. From this, the method of heat treated chord member for arch-bridge of CFST is suggested References | Related Articles | Metrics

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Study on behaviors of pile group under rigid cap in bridge Engineering GU Xiao-an, LU Ming-kang, TEN Yu-min, SHI Ming-lei 2004, 23(4): 4-8.  Abstract ( )   PDF (1569KB) ( )   One hybrid method of finite element analysis of rod structure coupling with load transfer approach for piles groups settlement was estabished.The behavior of shear-diaplacement of the boundary between pile and ground was determined by the Randolph and Wroth’Model in the approached closed form solution,coupling with the hyperbolic model.The action of pile groups was evaluated from the Mindin equation solution,and adjusted by the "reinforcement and curtain"action approximately.The influences of nu References | Related Articles | Metrics

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Application of TL2000 road strengthen dose to the preventive maintenance project for Chongqing Egongyan bridge’s deck HU Juan , ZHOU Shui-xing , FAN Cao-yuan 2004, 23(4): 9-11.  Abstract ( )   PDF (216KB) ( )   This essay has introduced the main characteristics of TL2000 road strengthen dose and its construction method,and its application on Chongqing Egongyan bridge’s deck project. Measured data expresses that TL2000 strengthen dose, which is applicable to the preventive maintenance of deck of steel box beam, can improve effectively anti-permeability of deck. References | Related Articles | Metrics

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Experimental study about short concrete column limited with CFRP under axial load YANG Qing-guo , YI Zhi-jian , ZHOU Chao 2004, 23(4): 12-15.  Abstract ( )   PDF (223KB) ( )   Carbon Fiber Reinforced Plastics (CFRP), a new kind of engineering material is widely used in civil engineering to strengthen old structures. The article studies the performances of short concrete column limited with CFRP under axial load in lab and compares them with that of short common concrete column and concrete column with spiral reinforcement. Experiments show that under axial load the short concrete column limited with CFRP has an amazingly higher lording capacity. The article is helpful References | Related Articles | Metrics

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Study on Zhangjiang bridge pavement deck reinforce and repair HUANG Zh-i qiang, LEI Jian 2004, 23(4): 16-18.  Abstract ( )   PDF (145KB) ( )   This paper has analyzed the disease harms of channel girder bridge and Zhangjiang bridge pavement deck, and introduced adopting two layer loading shear tendon measure etc, to reinforce and repair. Provide reader consulting References | Related Articles | Metrics

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Research review of diagnosis on the damage of hydraulic concrete WANG Ji-cheng, XU Xi-bin, ZHAO Ming-jie 2004, 23(4): 19-23.  Abstract ( )   PDF (706KB) ( )   In this paper, the present situation of the NDT of hydraulic concrete and damage concrete are summarized in detail on the basis of extensive reference of literature.The authors’ new way for the further studies is given in the end References | Related Articles | Metrics

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The present situation and prospect of the acoustoelastic stress measurement technology in concrete LIN Jun-zhi, XU Xi-bin, ZHAO Ming-jie 2004, 23(4): 24-29.  Abstract ( )   PDF (1086KB) ( )   On the basis of extensive reference of literature, the present situation of the acoustoelastic stress measurement technology in concrete is summarized in detail in this paper. The author’s opinion for the futher studies is given in this paper References | Related Articles | Metrics

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Development of performance-related specifications for Asphalt pavement LI Qiang, SHE Xiao-hong, QIU Yan-jun 2004, 23(4): 30-33.  Abstract ( )   PDF (187KB) ( )   Increasing use of performance-based mix design and analysis requires development for performance-related specifications. The purpose of this paper is to provide an overview of the framework and development of the performance-related specifications (PRS) from previous studies. At the same time, methodology in developing the PRS is collected along with samples of specifications developed during NCHRP10-26 research project and west track project References | Related Articles | Metrics

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Application on fiberglass gridiron in old concrete road surface strengthening CHEN Zhong-jian 2004, 23(4): 34-36.  Abstract ( )   PDF (103KB) ( )   The paper analyze forming reason of the reverberation crack of road surface and the functional mechanism of fiberglass from the renovation of the old cement concrete road surface of Hainan Eastern Highway,The thesis affirm the positive effect that fiberglass gridiron can effectually restrain and reduce the reverberation crack of the bitumen concrete road surface and then to prolong the life-span of road surface by observation and contrast analyse of the testing road section of the renovation pro References | Related Articles | Metrics

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Review of debris flow research in highway( I) TANG Hong-mei, CHEN Hong-kai 2004, 23(4): 37-43.  Abstract ( )   PDF (231KB) ( )   Debris flow is one of important highway-waste, and one of main dynamic force to destroy highway too. According to analyses to research documents at home and abroad, the authors divide studies status quo into eight parts, i. e. subject system of debris flow and debris flow classification, formation of debris flow, model of debris flow mass, movement and impact of debris flow, abrasion of debris folw, control technique of debris flow, debris flow testing and disaster appraise. It are analyses and appraise in detail in this paper that subject system of debris flow and debris flow classification, formation of debris flow, model of debris flow mass, movement and impact of debris flow. Further approach the necess-i ty to found debris flow in highway. The review is useful to control effectively debris flow disaster in highway References | Related Articles | Metrics

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Research on try shrinking property of stabilized shale soil used as pavement base HE Zhao-yi , LIU Qing-qian , HUANG Wei-rong , ZHANG Hai-long , CHEN Xue-wen 2004, 23(4): 44-47.  Abstract ( )   PDF (238KB) ( )   In this paper, the try shrinking property of cement stabilizd shale soil;lime-flyash stabilizd shale soil;solidify agent stabilizd shale soil and lime-flyash stabilizd shale soil adding soft aggregate are researched ,finally, lime-flyash stabilizd shale soil adding soft aggregate and cement stabilizd shale soil adding soft aggregate are preference than cement stabilizd shale soil;lime-flyash stabilizd shale soil and solidify agent stabilizd shale soil in try shrinking property,they are used as References | Related Articles | Metrics

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Slil-stone embankment models and wave testing of compaction degree WEI Gang, ZHAO Ming- jie, HUANG We-i dong, WU Guo-xiong 2004, 23(4): 49-53.  Abstract ( )   PDF (812KB) ( )   In this paper wave testing is use for checking compaction degree of soil-stone embankment models.Major factors are discussed including particle size of stone,percent of stone and machine of compaction.New wave testing method is proposed,the results of which are compared with traditional method show the accuracy and reliability of the wave testing. References | Related Articles | Metrics