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15 June 2005, Volume 24 Issue 3 Previous Issue    Next Issue

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The structure analysis and construction cntrols in the stage of concrete-filled steel tube in the construction of heyan Jialingjiang CFST bridge LIU Xiao-yu， TU Ling， ZHAO Yong 2005, 24(3): 1-3.  Abstract ( )   PDF (171KB) ( )   This text introduced the study of the stability, transform, stress and loading procedure in the construction stage of feeled-concrete in steel arch tube due to the construction of CFST bridge .As an example, this study was succeed in the application of construction- controls of Heyang Jialingjiang CFST bridge References | Related Articles | Metrics

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Analysis on the application of optical fiber sensor in bridge monitoring LUO Shan-hong ， WEI Jian-dong ， QIAN Yong-jiu 2005, 24(3): 4-7.  Abstract ( )   PDF (209KB) ( )   The optical fiber sensor has more accuracy of testing, high undisturbed ability and wide application compared with the tradition electrical sensor. It can be used to measure several physical quantities of bridge structure, such as strain ,crack and vibration. It can not only measure the physical quantities by points, but can also obtain the test results by distribution network. This paper discusses the main characteristics and application of the optical fiber sensor. The attention items of prope References | Related Articles | Metrics

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Analysis of bearing capacity reliability on masonry arch-bridge WANG Jun, SONG Yi-fan, HE Shuan-hai 2005, 24(3): 8-10.  Abstract ( )   PDF (187KB) ( )   The system reliability analysis method of arch-bridge is presented based on the failure model of arch rib, which is the most important failure model of arch-bridge. The control sections of arch rib in the analysis of bearing capacity reliability are determined according to the "five-spot coincidence method", which is often used in arch-bridge design. The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage lo References | Related Articles | Metrics

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Calculation of bridge transverse load-distributing influence lines with plane finite bar elements WANG Jia-lin ， PENG Kai ， SUN Quan-sheng 2005, 24(3): 11-15.  Abstract ( )   PDF (177KB) ( )   Based on analysis and generalization of the existent calculating methods of bridge transverse load-distributing influence lines, A new method is proposed in the paper with the bridge transverse formation simulated as a usual plane finite bar element model in a computer software. The software realizes automatic modeling and calculating of bridge transverse load distribution according to the bridge transverse structural features, and its rightness and convenience warranted in the given calculation References | Related Articles | Metrics

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State-of-the-art of research and analysis of structure and bridge under blast loads LIU Shah-hong ， WEI Jian—dong ， Qi Yong-jiu 2005, 24(3): 16-19.  Abstract ( )   PDF (219KB) ( )   The character of blast loads and the pressure-time profile of a typical blast wave are presented. There are foundations of simulating responses of bridges under blast loads. The main failure forms of high-way bridges are local damaged. It should be noticed that limited areas of bridge may act with blast loads when explosive effects are simulated by calculation method. It can not be simply applying uniform loads on decks. The characters and rules of simulating bridges subjected to blast loading a References | Related Articles | Metrics

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Using generic programming in bridge finite analysis software development LI BO , CHENG Qing—jun， GU An—bang 2005, 24(3): 20-22.  Abstract ( )   PDF (188KB) ( )   With the comparing of Generic Programming(GP) and Object-Orient Programming, This paper shows the idea revolution of design pattern taken by GP, and introduces the application of GP by combining with the work of bridge finite software development, from the point of view of C++ Template and STL. Some codes are also submitted in this paper. It can be found that GP is a new effective way of programming References | Related Articles | Metrics

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Analyzing the modulus of arranging load transversely about pivots of Slab bridges according to flexible supports GUO Fa-zhong 2005, 24(3): 23-27.  Abstract ( )   PDF (160KB) ( )   Bringing forward a method of calculating the affect line of arranging load transversely on pivots of beam bridges equipped rubber shoes, considering the objective factor that rubber shoes are a type of flexible objects. The modular calculated by this method is smaller than that calculated by arranging load directly References | Related Articles | Metrics

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Analyzing the modulus of arranging load transversely about pivots of Slab bridges according to flexible supports ZHANG Yu-cheng ， XU De-xin , 2005, 24(3): 28-30.  Abstract ( )   PDF (144KB) ( )   Bringing forward a method of calculating the affect line of arranging load transversely on pivots of beam bridges equipped rubber shoes, considering the objective factor that rubber shoes are a type of flexible objects. The modular calculated by this method is smaller than that calculated by arranging load directly References | Related Articles | Metrics

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Research of rockburst formation condition in underground engineering XU Lin—sheng 2005, 24(3): 31-34.  Abstract ( )   PDF (185KB) ( )   According to the conditions of geostress, rock structure and performance, conditions of geological structure and hydrological geology, excavation construction factors and so on,the conditions of rockburst formation in underground engineerings are elaborated References | Related Articles | Metrics

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Analysis of cutting-slippage in asphalt pavement SU Kai ， WU Jian-min ， YAO Hong-yun ， XU Xiao-kuan 2005, 24(3): 35-38.  Abstract ( )   PDF (230KB) ( )   Aiming at the phenomenon of cutting slippage between the layers of the asphalt pavement, the finite-element method is employed to calculate the interlayer shear stress, and the main cause of cutting slippage is analyzed by the investigations of mountain highway and the shear-strength test between pavement layers. At last the technical means to solve this problem is put forward References | Related Articles | Metrics

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Research on the mechanic characteristic of powdered soil stabilized by binder and solidifecation power as road base course material WANG Jia—long， HE Zhao-yi， HUANG Wei—tong 2005, 24(3): 39-43.  Abstract ( )   PDF (204KB) ( )   By indoor experiments,compressive strength, cracking strength, tensile strength,compressive modulus and tensile modulus of powdered soil stabilized by cernent,lime solidification powder are systemically researched. Rules of strength increasement are reached Based on that, lingered formula among all indexes are offered and shows that there are good lingered relations between all indexes References | Related Articles | Metrics

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Simply discussing the pavement breaking which caused by overloading and how to prevent it considering in the rebuilding period of Quangui highway pavement HUANG Qi一Ling ， WU Jin—liang ，WU Quan—hua 2005, 24(3): 44-45.  Abstract ( )   PDF (136KB) ( )   This paper analyses the contradiction between highway designing and practice which is reflected in the breakage in national highway 322 GuiLin to QuanZhou segment. And it points out that we should pay more attention to the designing of pavement configration thickness and drainage in overloading section of highway,we should practically investigate communication data,and use it as originality analyzing data strictly References | Related Articles | Metrics

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Research on setting expansion joint on water-stabilization bases of asphalt concrete road surface LIAO Xiong-wen， LIU Feng-yun 2005, 24(3): 46-48.  Abstract ( )   PDF (129KB) ( )   Now in the design and construction technical specification, there is no specific regulation on setting expansion joint on road surface bases, research in the aspect also is generally neglected. On the basis of in-depth analysis and study on early distress of asphalt concrete road surface, depending on a great deal of construction experience, the author audaciously experiments with new method of setting expansion joint on water-stabilization bases and acquires expected effect. This paper not only References | Related Articles | Metrics

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Simulation of influences of the acid rain on the concrete pavement and analysis of the chemical corrosion mechanism ZHANG Qian ，ZHAO jie ，CHENG hua 2005, 24(3): 49-51.  Abstract ( )   PDF (184KB) ( )   This paper studied the chemical corrosion effect that the acid rain would bring to the concrete pavement by using chemical reaction theory among materials. The chemical reaction equation between the acid rain and the alkali aggregate and the water-cement solid in concrete mixtures are deduced in the paper. The results indicate that the chemical reactions between the acid rain and the concrete pavement can produce salinities that are easy to dissolve in water. And also based on series tests bet References | Related Articles | Metrics

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Study on compaction characteristics of nature grit ZHONG Hai—hui， QUAN Kai， WANG Ji 2005, 24(3): 52-55.  Abstract ( )   PDF (178KB) ( )   Based on heavy compaction test methods in civil test methods standards, compaction tests on grit-clay mixture are studied according to different gradation of grit, and different proportion between grit and clay. Effects on optimum water content and maximum dry density of grit-clay mixture by grit content, as well as compaction characteristics are obtained. References | Related Articles | Metrics

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Research on temperature susceptibility of asphalt mortar HE Yah ， ZHOU Jin-chuan 2005, 24(3): 56-59.  Abstract ( )   PDF (151KB) ( )   Two kinds of domestic base bitumen and three kinds of dust proportion are used in this research. Based on the penetration, TR&B and ductility which were measured, the temperature susceptibility of asphalt mortar is studied References | Related Articles | Metrics

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Research on high temperature performance of gravel asphalt mixture in Xinjiang province QUAN Kai， ZHONG Hai—hui 2005, 24(3): 60-62.  Abstract ( )   PDF (133KB) ( )   According to max-density of asphalt mixture, this paper analyses the high temperature performance of gravel、40 percent gravel and 60 percent pulverized stone、pulverized gravel asphalt mixture by the rutting test References | Related Articles | Metrics

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The analysis on the wind speed field of the snow protection facilities and sand control facilities HU Peng ， ZHENG Chuan-chao 2005, 24(3): 63-68.  Abstract ( )   PDF (254KB) ( )   The road in pastoral area is a special kind of highway, which is ready to suffer from snow hazard and sand hazard. Based on the analysis of the speed of wind blowing across The Snow Protection Facilities And Sand control Facilities with FEM, the speed field of Snow-bearing wind and Sand-bearing wind was simulated, then the reasonable position, height and modality of the protection facilities were proposed References | Related Articles | Metrics

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Development summarization of pavement management system LI Ming ， CHEN Qian-ying ， PENG Ke—gang ， MA Zai-liang 2005, 24(3): 69-73.  Abstract ( )   PDF (305KB) ( )   With the development of pavement management system about two or three decades, it is regarded as the important aided manage tools for highway department. Based on the retrospect of actual state of pavement management system from home to abroad, several problems which are found during the development are analyzed in the paper and proper measures will be provided. At the same time pavement management system based on GIS is greatly emphasized References | Related Articles | Metrics

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Expressway’s multiple-project management information systems REN Chao 2005, 24(3): 74-76.  Abstract ( )   PDF (124KB) ( )   This paper analyses the present situation in expressway construction project management, putting forward the program of multiple-project management by aiding expressway project management information systems References | Related Articles | Metrics

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Summary of current reseach on rural road SONG Xue-wen ， ZHANG Hong-yan ， FENG Xiao 2005, 24(3): 77-79.  Abstract ( )   PDF (152KB) ( )   The paper comprehensively introduces research on conceptions ,constructral standards ,modes and specifications of maintanence of ruaral road in China and points to some questions , then puts forward some suggestion of it. References | Related Articles | Metrics

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Research on typical asphalt pavement structure of low-volume road in western district LI Xiao-jia， HE Zhao-yi， KONG Xiang-chen 2005, 24(3): 80-83.  Abstract ( )   PDF (199KB) ( )   According to the large quantity vestigation,analysis,and research on the traffic volume,subgrade strengh,and the materials of pavement and subgrade,etc.of the low-volume road in the western destrict,this article divided the traffic grade and subgrade strengh grade, moreover,defined the materials and design parameters of subgrade and pavement,which fixed the low-volume road in the western district.So the article provided the reasonable design parameters which helps to establish the typical stru References | Related Articles | Metrics

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Analysis of color design in architecture YAO Yang ， SHEN Ping 2005, 24(3): 84-87.  Abstract ( )   PDF (212KB) ( )   This research paper is to introduce development as well as function of color design in architecture. After discussion on general utilization rules and design forms concerning architectural color, the relationship between architecture function and color is put forward. Thus, the significance of color for architecture is manifested. Eventually, possible development orientation of architectural color design is given References | Related Articles | Metrics

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Research on groundwater drainage method at a long and deep-cut road-chasm section of a highway JIN Fa-jun ， MA Yong-tai ， CHEN Hong-kai ， YE Si-qiao 2005, 24(3): 88-90.  Abstract ( )   PDF (192KB) ( )   At the long and deep-cut road-chasm section of a highway, the storage and seepage of groundwater may influence the function of roadbed and road surface structure deeply. Also it can result in the collapse of slopes, roadbed sedimentation, and destroy of road surface structure. The design of groundwater drainage and prevention can solve this problem effectively0. So this paper recommends some of the groundwater drainage and prevention techniques and its applicability. It is guidance in solving th... References | Related Articles | Metrics

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Smooth blasting construction in side slope of cutting at yishui expressway HE Yong 2005, 24(3): 91-94.  Abstract ( )   PDF (175KB) ( )   We have introduced smooth blasting techniques in highside slope of cutting in contact D section of yishui expressway, So we abtained good blasting effect and got stabilized and beautiful one References | Related Articles | Metrics

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The research on the investment relative model between Chongqing and other regions in high-ranks road LIU Lang 2005, 24(3): 95-97.  Abstract ( )   PDF (112KB) ( )   Putting forward the investment relative model between Chogqing and other regions in high-ranks road, and obtaining relative conclusion References | Related Articles | Metrics

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Monitoring early-warning index designs for investment risk at infrastructure project ZHOU Gao-ping， CHEN Yuan—xiang， ZHOU Zhi 2005, 24(3): 98-101.  Abstract ( )   PDF (167KB) ( )   The first step to develop the investment risk early-warning system of infrastructure project is to design the investment risk early-warning index. This paper establishes the indicator system of investment risk at infrastructure project. Then, using analytic hierarchy process (APH), the weights of investment risk early-warning index at infrastructure project are determined quantificationally, which can be used to determine the investment risk early-warning index References | Related Articles | Metrics

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Study of the grey clustering assessment model of enterprise core competence ZHOU Gao-ping ， LIANG De-quan ， ChEN Yuan-xang 2005, 24(3): 102-105.  Abstract ( )   PDF (206KB) ( )   In this paper, the concept of the enterprise core competence is analyzed. Then, using analytic hierarchy process (APH) and grey clustering theory, the Grey Clustering Assessment Model of Enterprise Core Competence is established, which can be used to synthetically evaluate the core competence of enterprise, and therefore find it’s disadvantage, so that it’s enterprise core competence may be strengthened continuously References | Related Articles | Metrics

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Optimization model research of unbalanced bidding in project tended GUO Jins ， YAN Xin ， ZHOU Zhi 2005, 24(3): 106-108.  Abstract ( )   PDF (129KB) ( )   Calculating the bid price is a complex task which is combined with technique and economy. It has crucial effect on whether the contractors can get the project. Bidders can use many kinds of methods to calculate the bid price and unbalanced bidding is a common method. But many mathematic and linear methods are exparte. To make the bidder’s bid price more competitive, the author applied Fuzzy synthesis evaluation and the unbalanced bidding coefficient to set up a model. This model can solve the pr References | Related Articles | Metrics

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Fuzzy AHP evaluation of engineering project risk LIAO Jiang ， ZHOU Zhi ， YAN Xin 2005, 24(3): 109-111.  Abstract ( )   PDF (113KB) ( )   The author combined Fuzzy evaluation and AHP methods to set a Fuzzy AHP evaluation model and applied this model to the evaluation of engineering project risk. This model provides an objective and useful method for the engineering project risk management References | Related Articles | Metrics

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Monitoring games on road transport franchise bidding in incomplete information LI Jian-zhang 2005, 24(3): 112-117.  Abstract ( )   PDF (227KB) ( )   The monitoring mechanism on road transport franchise bidding has been invesgated by Game theory.In incomplete information static game model, the equilibrium strategy indicate that the higher the probability that the transport firm is lower efficiency is, the bigger the mornitoring strength adopted by the government is. The complete but imperfect information dynamic game model has onlyone perfect Bayesian equilibrium-separating equilibrium,which means that the lower efficiency firm can not mimic References | Related Articles | Metrics

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Study of application of government bid procurement by value engineering ZHOU Qi-ming ， WANG Miao ， REN Hong 2005, 24(3): 118-120.  Abstract ( )   PDF (137KB) ( )   Government procurement is always the topic. Firstly, the current situation of Government procurement is discussed in this research. The author pointsout that the general evaluation is not the best one in government procurement when evaluating the bidders. So, value engineering, a better method than general evaluation, is applied in this research tested by applying in one sector of Shenzhen city’s dynamotor government procurement References | Related Articles | Metrics

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M ethod of technie'ai．and economical evaluation for design variation scheme FANG Jun， DENG Zhong-mei 2005, 24(3): 121-124.  Abstract ( )   PDF (142KB) ( )   This paper analysestheIel hipbet wthee，all ofdeslgn variation scheme and the scheme．It putsferwexd system forevaluation of design variation scheme，qindex；tim eindex；ecmlcal index；function index；tecid and sity index．It sets upthe evaluad model of vadadon scbeme based upon value ellgie IiIlgipIe References | Related Articles | Metrics

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Research on the match index of societal parking of central passenger transpot in megapoli Wu De-hua， PAN Xiao-dong， TENG Shen-qiang， FANG Shou—en 2005, 24(3): 125-128.  Abstract ( )   PDF (192KB) ( )   The paper WaS aga~st the ddoa and shortage ofthe match irKkx of societal parking ofcemral passenger that criterions megapoliside．Based Oil the Ialy of models of paIldng demand forecastiIde and outside，the paper oppsed the new model of parking demand forecase of societal parking of centml passenger mumpot inmeg polls idex．Then it was validated that the model could he extended．Tlle paper present the bufldrate index shout that，makes up the reldeflect or criterions in megapo index． References | Related Articles | Metrics

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Study on the land uses，population and resident trips geogrephic informition system CttAI Jiu-ning ， SU Yong-Yun ， JIANG Jin-yong 2005, 24(3): 129-131.  Abstract ( )   PDF (174KB) ( )   paper presents a method to seta eompemive infomation system of Land uses，population ，andtrips，by CIs teehrogy． TIle floor on use，population，spal features 0fips with their rout with key poirs and 0ther．taisl,or dedinthe system．Travel demand data car be calcubied by the fetmes 0f trip lrposes，resident chaeteristies OF study areas， and the results car be viewed till Dugh the，thus it is very useful for the on relationships between trip demand and hrid US．Sep tely developed systemsfordiferent eides can be eientlyin tegrated to are orIally synthesi iflf ladon system． References | Related Articles | Metrics

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Prediction of the vehicle emission in Chongqing SHU Hai-bo ， SHAO Yi-ming ， ZHENG Shan-ting 2005, 24(3): 132-135.  Abstract ( )   PDF (157KB) ( )   With the fast increase ofthe premelt quantity ofvehides，vehide emission was the important s。 0fair polluti in urban．This paperwas by mils of estimating the amount of vehidesinfutu~，MOBILEmodelwas usedto calculate cod、reel on factor sintiltet year．By that，it forecasted the amount of the vehicle emioll in future of chongqing. References | Related Articles | Metrics

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Study on simulation & optimization of air-fuel ratio of cng engine aided by computer LUAN Yan-long， DU Zi-XUC， WEN Xiao-xi 2005, 24(3): 136-137.  Abstract ( )   PDF (116KB) ( )   Natural gas is the main substitute fuel of vehicle engine, not only at present, but also in the future. While air-fuel ratio is the important adjustable parameter influencing the performance of CNG (Compressed Natural Gas) vehicle engine. In this paper, the air-fuel ratio of CNG vehicle engine is optimized by using the method of computer simulation & analysis, and engine performance is improved References | Related Articles | Metrics

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The analysis and simulation for anti-sway of bridge crane Li Bin 2005, 24(3): 138-141.  Abstract ( )   PDF (193KB) ( )   This paper focuses on the concise mathematical model for the problem of the anti-sway of bridge crane, and transform it to the transfer function model of classical control theory. We used SIMULINK to demonstrate the basic rule how the crane sway when it running, and to introduce a basic method for control References | Related Articles | Metrics

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The riverbed evolvement analysis of doulizi shoal in the up changjiang river FU Xu-hui， DONG Yu-wen， YANG Sheng-fa， HU Jiang， ZHANG Ai-wen 2005, 24(3): 142-146.  Abstract ( )   PDF (190KB) ( )   Doulizi shoal is a famous riffle shoal of low water in ChangJiang River. Had been renovated several times, it still obstructs the channel from Chongqing to YiBing. To exert all the strength of Changjiang River’s transport ability, the renovation of Doulizi shoal should be done as soon as possible. The thesis analyzes the riverbed evolvement of Doulizi shoal based on the relief maps measured before and finds the reasons of the evolvement. Then we find the rule of the riverbed evolvement. And it w References | Related Articles | Metrics

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Study on treatment of landfill leach by Uv／Fe(1lI) Lin Yu-lian 2005, 24(3): 147-148.  Abstract ( )   PDF (127KB) ( )   Feels·6H20 we used as coagulant without adding photocatalyst to treat land leach in the experiment．The experimental result shows the optimum addition dose is 500msL ，the optimum pH3 ；under the condition of pH3 ，addition dose 500mgL ，and COD amount added 4800 mlgL ，The total removal eciency of COD attain 69．7％ after 4 hour irradiation of the high—pressure mercury larnp· References | Related Articles | Metrics

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Study on public corporation performance evaluation in china TANG Yue-lan 2005, 24(3): 149-152.  Abstract ( )   PDF (187KB) ( )   Now available performance evaluation index could not complete reflecting comprehensive performance of public corporation. Financial Performance is more important than other performance which reflecting growth feature of enterprise in the index system The article analyzed some foreign and internal performance evaluation methods, and established a Performance evaluation index system of Public Corporation References | Related Articles | Metrics

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Research on the curriculum system optimization of the trafic transportation major Liu Jian-Xun 2005, 24(3): 153-156.  Abstract ( )   PDF (167KB) ( )   Using the research result of teaching reform ofengineering and regular college students for reference。the paper analyzes all kinds of IIlahdy ofthe former curriculum system ofTrafic Transportation Major and redesigns it accordingto the principle ofcurriculum system optimizadon． References | Related Articles | Metrics

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The ghost-field-building for capturing interfaces of euler equations ZHANG Wen-zhong ， FENG Jian-hu ， WANG Da—cheng 2005, 24(3): 157-160.  Abstract ( )   PDF (132KB) ( )   It is inevitable to use the grid points on the two sides of a discontinuity when high resolution shock capturing schemes were used. That results in dissipation of numerical solutions near the discontinuous interfaces. In this paper, the ghost-fluid building and level set approaches were introduced for the solution of Euler equations. These techniques coupled with high resolution shock capturing schemes could greatly improve the resolution of numerical solutions. Numerical experiments for one-dim... References | Related Articles | Metrics

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The couple fixed point of set-valued nonexpansive mappings in hilbert space LIAO Zheng-qi 2005, 24(3): 161-163.  Abstract ( )   PDF (96KB) ( )   In this paper, Using the best approximate element, We have the set-valued nonexpansive mappings point valued and obtained theorems for couple fixed point of noncompact and noncontinous binary set-valued mappings in Hilbert space. References | Related Articles | Metrics