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15 April 2005, Volume 24 Issue 2 Previous Issue    Next Issue

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Analysis on structure and force principle of composite box-grider bridge with corrugated steel webs XU Jun-tan， GU An-bang 2005, 24(2): 1-4.  Abstract ( )   PDF (167KB) ( )   This paper to introduce the structure and force principle of composite box-grider bridge with corrugated steel webs and carry out analysis of internal force .Expection the composite box-grider bridge with corrugated steel webs can construction in China for a short time References | Related Articles | Metrics

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Design of Qingfeng bridge in Ningbo YANG Shi-jin， GONG Ren—ming， DAI Li—min 2005, 24(2): 5-7.  Abstract ( )   PDF (206KB) ( )   In this paper, beginning with the description of the bridge planning for the three rivers in the city of Ningbo (Fenghua River, Yuyao River and Yongjiang River), the Suspension bridge form was chosen for Qingfeng Bridge over Yongjiang River. Considering the environmental requirements and the geological conditions at Qingfeng Bridge site, the ground-anchored suspension bridge type with 280m single span steel box girder was finally chosen. The paper focuses on the general layout and structural des References | Related Articles | Metrics

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Research on longitudinal cracks of prestressed concrete box-beams ZHOU Zhi-xiang， RIEN Chao， PENG xinguo， FAN Liang 2005, 24(2): 8-11.  Abstract ( )   PDF (159KB) ( )   Based on the experiment of a 30m-span prestressed concrete box-beam, the longitudinal cracks along prestressed tendons are studied. It is suggested that the disadvantageous influences from both Poisson effect and opposite acting force resulting from the deformation of beams should be taken into consideration for thin-wall structures References | Related Articles | Metrics

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Study on construction control technique in the process of replacing suspender of CFST arch bridge CHEN Si-dan， WANG Jing， GONG Shang-long 2005, 24(2): 12-17.  Abstract ( )   PDF (348KB) ( )   The construction control technique in the process of replacing suspender of CFST arch bridge is introduced in this paper. The technique was worked out according to simulation result from a program named MSC.Marc2001. And the technique has been applied to the project of Dadu-he bridge which in Le-shan city,Sichuan. References | Related Articles | Metrics

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Method and effectiveness analysis for strengthening a defective bridge U You—hao． ZHAO Yu—sheng 2005, 24(2): 18-21.  Abstract ( )   PDF (234KB) ( )   The defects of a concrete voided slab bridge are described in this paper. The reasons that cause the deterioration are interpreted. A new approach (Transverse External Pre-stressing) is introduced. The effectiveness of the strengthening is validated by field comparison tests References | Related Articles | Metrics

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A dissection of bridge balustrades shape design YAO Yang， ZHANG Wei 2005, 24(2): 22-25.  Abstract ( )   PDF (204KB) ( )   This paper dwells on formation, development, composition and classification of bridge balustrades. Safety function and artistic value of bridge balustrades have been discussed in detail. After introduction of aesthetic role served by balustrades, the paper offers an analysis on utilization principle of formality aesthetics. A summary on the trend of bridge balustrades design has been given in the end. References | Related Articles | Metrics

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Exploitation of creep analysis software about concrete filled steel tube arch bridge ZENG Yong， GU An—bang 2005, 24(2): 26-29.  Abstract ( )   PDF (191KB) ( )   Concrete creep is one of the basic property of concrete filled steel tube arch bridge(CFST),and have appreciable effect on it. This paper introduces exploitation principle、system functions、realization methods of software about CFST arch bridge ,as well as its preprocessor and postprocessor module,and its finite element mothod computation module. References | Related Articles | Metrics

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Experimental study of strength character of reinforced concrete beams strengthened with continuous carbon fiber sheet LONG Zhi-qin 2005, 24(2): 30-34.  Abstract ( )   PDF (278KB) ( )   The strength character is researched by 3-point bending experiments of reinforced concrete beams strengthened with continuous carbon fiber sheet with different parameters of carbon fiber sheet length, V-notch height of beams and ration of reinforcing steel bars. The debonding failure principium of interface is analyzed References | Related Articles | Metrics

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Monitoring during the access construction of Tongyu highway tunnel XU Lin—sheng 2005, 24(2): 35-37.  Abstract ( )   PDF (137KB) ( )   The site monitoring was made during the access construction of shallow covered slope soft surrounding rock of Tongyu hightway tunnel. By means of the monitoring and detailed analysis for each construction stage, provide an effective guidance for the construction References | Related Articles | Metrics

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Summarization of several climacteric technology about multiple-arch tunnel XU Lin—sheng 2005, 24(2): 38-41.  Abstract ( )   PDF (206KB) ( )   Summarizing some multiple-arch tunnels which were constructed in recent years in our country. Elaborating several design and construction climacteric technology about the section shape and size, the measure of projects, the method of construction, the stability of surrounding rock, the dynamic control of construction, waterproof and drain etc References | Related Articles | Metrics

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Analysis about the mechanical properties of combined-form concrete pavement overlays MA Yin-hua， YI Zhi-jiaIl， YANG Qing-guo 2005, 24(2): 42-45.  Abstract ( )   PDF (227KB) ( )   There are generally three types of overlays of repaving new cement concrete pavement on the old one, such as combined-form overlays, split-overlays and direct overlays. This paper integrates traditional mechanics with fracture mechanics, analyzes the separating process and its influence on overlays and old pavement in the combined-form pavement structure, and explores the influence of combined-form pavement overlays on mechanics properties caused by the crack in the old pavement by finite-elem References | Related Articles | Metrics

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Experimental research on reflection cracking of asphalt overlay on old concrete pavement SU Xin．guo， NI Fu．jian， LAI Yong．man 2005, 24(2): 46-49.  Abstract ( )   PDF (222KB) ( )   Experimental research on reflection cracking of asphalt overlay was carried out by means of AAPA(Automatic Asphalt Pavement Analyzer). The effect of composition structure type, aggregate gradation, asphalt, miner filler, fiber and crumb rubber on the ability of resisting reflective cracking was analyzed. The results show that composition structure type of mixture and asphalt property are main factors which affect the ability of resisting reflective cracking, simultaneously there are great correl References | Related Articles | Metrics

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Research on the further reasous of concrete pavement cracking an d breaking WU Jin-iang， PENG Ding-xid， LIU Ming-wei 2005, 24(2): 50-51.  Abstract ( )   PDF (161KB) ( )   Concretepa vementfaceplate’sflexibilityis poor．Duringthe using ofconcretepavementfaeeplate，itis easyto crack orbreak·This paper discussesthe reasons ofconcretepavement crackingandbreaking ，from themanagement，construcfion，material，desi ng，ope ration of concrete pa vement， References | Related Articles | Metrics

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Design and calculation of approach slap in highway in the mountainous ereas DING Jing-sheng， WANG Hua 2005, 24(2): 52-56.  Abstract ( )