Archive

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

---

For Selected:

Download Citations EndNote Ris BibTeX

Toggle Thumbnails

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

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

Select

Design and calculation of approach slap in highway in the mountainous ereas DING Jing-sheng， WANG Hua 2005, 24(2): 52-56.  Abstract ( )   PDF (232KB) ( )   It is key to Blake the length of design and calculation of approach slap，this paper utilize the finite dement numerical calculation method，in each condition of disjoint and undisjoint of the approach slap near the abutment end，the calculation product will beret for the project to make the length and sted radio of the approach s1ap References | Related Articles | Metrics

Select

Plane geometry design discussion of speed chang lane in intercommunication overpass LI Ming，ZItANG Hal—zhong， GU Ha0 2005, 24(2): 57-61.  Abstract ( )   PDF (221KB) ( )   Speed chang lane is an important part of intercommunication overpass. The essay emphasizes particularly on the direct speed chang lane, and discusses the problems met in the design of all types of speed chang lanes References | Related Articles | Metrics

Select

Investigation on the design method of the line—shape of border line of a road LAN CHao ,ZHANG Bin 2005, 24(2): 62-65.  Abstract ( )   PDF (173KB) ( )   I ugIl the analysis ofthe actions and characteristics of border line ofa road，This paper brought forward a question that the law， oftheline-shape ofbo rderline ofa road，re liI siving in a definiteform，and gavetliemethodswhich can be usedto ascertainthe parameter and to design the line-shape ofborder line of a road，based on the relation be tween centric-line and border line． References | Related Articles | Metrics

Select

Research on the flood damage treatment technique at Shandong section of Chongqing of national trunk highway No．319 WANG Qing-zhen， XU Ren-an， LING Jian-mmg 2005, 24(2): 66-72.  Abstract ( )   PDF (223KB) ( )   Based on the flood danlage treatment e eerirIg pIoject at Shandong secdon of Chongqing of national trunk highway No．319，this paper studied diferent treatment techniques of new-old balt conjunction，observed and arlaly8ed their subsidence，soil pressure and horizontal movement，and compared their efect，in order to pI technical help for such pIDjec References | Related Articles | Metrics

Select

Problems and tactics for the culvert modifications of roads in mountainous areas xu Ji—jia ， ZHONG Yi—ming ， GUO Chun一Lin 2005, 24(2): 73-75.  Abstract ( )   PDF (156KB) ( )   Roads in mountainous aro．Ak2 have varied topography，thus culverts have tO be frequently modified due to the position ，base and numbers，While culverts project bills are calculated based on culvert meters according to“"I'ne National Bids Docleme Model for Road Projects”，which brings about s0Ine inconvenience，t．,~qen disputes．The authors ofthis artlde have presented such methods as adding to model bill projects that helps solve similar modification problems efectively References | Related Articles | Metrics

Select

Analysis of some problems in asphalt concrete proportion designing WU Jin—liang， ZHAN Zhao-xia， PENG Ding-xie， ZHANG Jiang-tao 2005, 24(2): 76-78.  Abstract ( )   PDF (133KB) ( )   Proportion desi is very．importanrt control the qu~ty of asphalt c0rIcrete pavement，this paper is base on the proportion designing 0fWan~ha hi,way．And it SOftie problems that should be paid attention to inthe three period ofasphalt concrete proportion desi ． References | Related Articles | Metrics

Select

Dimension efect to the deformation characteristic of aggregate MEI Ying-jun,， LLANG Naixing， LI Zhi—yong 2005, 24(2): 79-82.  Abstract ( )   PDF (179KB) ( )   The defomaafion characteristic of aggre．gate is important，it is the key factortoealm s the be ng eapty and the thickness 0f aggregate basec．There are many fat,influence the deformation of aggregate，such as material characteristic，content of water，0f compaction，test method ．In this article，diferent dimensiontriaxial test and bE capacity test are present，throughthe result getthe deformation ehamcteristlc 0f aggregate mixture in diferent dimension．This article im proves the test method and the test result is mole appaoch to real condition． References | Related Articles | Metrics

Select

Research on the shrinkage characteristic of powdered soil stabilized by binder and solidification powder WANG Jia-long， HE Zhao-yi， HUANG Wei—tong 2005, 24(2): 83-89.  Abstract ( )   PDF (235KB) ( )   By indoor experiments the dry shrinkage and temperature shrinkage characteristic of powdered soil are systemically researched. And it shows the shrinkage index of powdered soil stabilized by lime and solidification CLG powder are bigger than that by cement and solidification SS-108. Futhermore,the shrinkage index of powdered soil stabilized by binder and solidification increase with more binder References | Related Articles | Metrics

Select

Neotectonism of Wulong-Fuling in Wujiang drainage basin TANG Jiang， DENG Fu—ying， LI Zhai—hui ， LI Ltm-jiong 2005, 24(2): 90-93.  Abstract ( )   PDF (258KB) ( )   Crust intermittent uplifting in Wujiang river basin was responsible for three-stratum horizontal karst cavities, three-stage level surfaces, four-stage fluvial terraces and differential crust tilt-lifting brought inverted water in horizontal karst cavities and five sorts special river system such as parallel form branch, tree branch form branch, asymmetry form branch, arc form branch, shed form branch. Character of intermittent and asymmetry crust tilt-lift is showed by frequently active earthqu References | Related Articles | Metrics

Select

The relational study between the granulometric composition and strenght parameter of the weak intercalated layers TANG Hang-qin 2005, 24(2): 94-97.  Abstract ( )   PDF (210KB) ( )   The weak intercalated layer is an primary factor that controls the stability of rock masst. It is great significative that choose correct and rational parameters. On the basis of a lot of data from test, this paper studies the correlativity between granulometric composition and shearing strength parameter in sedimentary rock area, and that correlation equations are established in different consistence states. Finally, Bonding with "Design specification for concrete gravity dams", shearing streng References | Related Articles | Metrics

Select

A kind time or distance forecast method of traffic distribution on condition of incomplete information ZHU Shun—yin ， WANG Hong， ZHU Zhen—cai 2005, 24(2): 98-100.  Abstract ( )   PDF (133KB) ( )   Being short of enough data, traditional traffic distribution forecasting method is unsuitable to new-rising towns or rapid-developing cities. A time or distance method of traffic distribution forecasting under incomplete information is brought forward in this paper, including parameters resolving method. And its reliability is demonstrated. Finally, the sensitivity of this model to time or distance is discussed References | Related Articles | Metrics

Select

An evaluation of the road traffic safety based on the grey cluster and neural network PAN Yah—rong， ZHAI Chang-xu， ZHU Shun—y g 2005, 24(2): 101-104.  Abstract ( )   PDF (196KB) ( )   On the basis of studying the road traffic safety indexes, this paper bring forward a comprehensive evaluation method based on the grey cluster theory and neutral network technology. Then, discuss the normalization methods of attribute value of input and output index of BP neutral network. At last, the practical example of this method in comprehensive evaluation in all the provinces is given References | Related Articles | Metrics

Select

The model study of trafic decision-making and airecting system based on GIS／GPRS HE Xiao-bmg， HAN Xue-qin， WEN Ya—xing 2005, 24(2): 105-108.  Abstract ( )   PDF (203KB) ( )   Based Onthemodel study of traffic decision-making and dilec system，thewoad s principle，the system structure andfunction are aIlalyzed．Character and feasibility oftraffc decision-making and directing system a~ amS to GIS／GPRS are explored References | Related Articles | Metrics

Select

Primitive discussion of public transport priority development in Chongqing LI Zhi一 Ying， LI Shu—qirlg， GONG Hong-bing 2005, 24(2): 109-114.  Abstract ( )   PDF (320KB) ( )   On the basis of analyzing the public transport priority development strategy, integrating the urban transit characteristic of Chongqing and significance of public transport priority development in Chongqing, the paper suggests that Chongqing should develop bus rapid transit system as soon as possible after analysed the bus rapid transit system and researched the light rail transit evolution in the Chongqing References | Related Articles | Metrics

Select

Influence of the Binjiang road and the bridges crassing river for waterway and harbour of Chongqing river reach ZHA0 Jian 2005, 24(2): 115-119.  Abstract ( )   PDF (212KB) ( )   The paper has summarized the influence of the built Binjiang road and the bridges crossing river on the water way and barber, analyzed the navigation conditions in the address of the bridge programmed to be built, and pointed out that the unified planning is necessary to build rlad bands and bridges along the rivers in the cities; it specially demonstrate the necessity of avoiding the newbuilding bridges crossing river and Binjiang road to do a harm to the harbor and the water way References | Related Articles | Metrics

Select

Application of drainage plate striking in soft ground treatment XU Si-fa 2005, 24(2): 120-123.  Abstract ( )   PDF (206KB) ( )   Combined with the waterway ect of month of the Yangtze River，the technology of drainage plate striking used in soft ULⅡld treatment is presented，including striking，construction and quality control in this pape References | Related Articles | Metrics

Select

Study on the effect of diesel fuel containing dissolved gas on the steady spray and atomization SHAO Yi-ming ， HUANG ZHen， Seiichi Shiga， TaEao Karasawa 2005, 24(2): 124-127.  Abstract ( )   PDF (177KB) ( )   This paper presents a study on the effect of diesel fuel containing dissolved gas on the steady spray and atomization. It lays stress on studying the effect of different method of dissolving gas and different kind of gas on the dissolved gas concentration and concentration gradient. It also studies the effect of nozzle, orifice shape and the amount of dissolved gas on the spray quality and configuration References | Related Articles | Metrics

Select

The design parameters optimization of automobile power and transmission matching WEN Xiao-xia， DU Zi—XUe 2005, 24(2): 128-130.  Abstract ( )   PDF (151KB) ( )   As the most important and basic performance, The excellent dynamical and economical performance often depends upon reasonable matching of power and transmission. genetic arithmetic has been adopted to reasonably match the power and transmission of automobile , during which the optimization design idea is applied. The result data from the optimizing calculation shows that the genetic arithmetic is a effective method. this research improves the dynamical and economical properties, avoids the de References | Related Articles | Metrics

Select

The control of semi-active suspension system emulation ZHOU Jian-li 2005, 24(2): 131-134.  Abstract ( )   PDF (177KB) ( )   A model reference adaptive controller for semi-active suspension systems in vehicle is designed on the basis of the lyapunov stability theory and the dynamics model of the quarter car. This proposed controller is composed of a tuning controller before the reference input and a state feedback controller. The adaptive control law and constrain condition are derived out. Simulation results show that the controller achieves a high robustness against non-linear and model uncertainties and disturbance References | Related Articles | Metrics

Select

The two shaft motion control system based on DMC control card FU Xiao—lin 2005, 24(2): 135-137.  Abstract ( )   PDF (174KB) ( )   Introduce the two shaft motion control system based on DMC control card and the application characteristics of the card .The basic motion types of the two shaft motion control system based on DMC control card and the means to realize it is presented in detail. A application sample of control system of X-Y numerical control workbench is given References | Related Articles | Metrics

Select

The analysis and design based on InTouch system for toxicity gas monitoring system LIN Ying， CHENG Xian 2005, 24(2): 138-140.  Abstract ( )   PDF (133KB) ( )   In the manufacture which uses toxicity or dangerous gas, it is important that how to effectively monitor the special gas. The paper analyzes the requirement of the Gas Monitoring System in semiconductor manufacture, and designs the network architecture, the functions and alarm system of the Gas Monitoring System. It has been proved to be good in practice result. References | Related Articles | Metrics

Select

A analyse on abnormity of floating point formats in computational mathematics WANG Jian， FANG Hong-Ying 2005, 24(2): 141-143.  Abstract ( )   PDF (138KB) ( )   This document explains why you might be getting the error of "FLOATING POINT FORMATS" and tells you how to resolve it, when you use Matlab +C. The problems and solutions below apply to ALL versions of ANSI C, Turbo C++, Borland C++ and Visual C++, except where noted References | Related Articles | Metrics

Select

The study of intelligent tutoring system with instruction patterns based on component LIYi—cai 2005, 24(2): 144-147.  Abstract ( )   PDF (216KB) ( )   In an intelligent tutoring system there are many instruction patterns is very important. Meanwhile, it is difficult in constructing an ITS with instruction patterns. This paper describes some concepts of component and the relations between components firstly, using component technology then we propose a component model of ITS with instruction patterns. In this system, all kinds of instruction patterns can be existed as components independently. So the system can realize the personalized instruct References | Related Articles | Metrics

Select

A pricing method for American options on stocks with dividends Li Li—ying， ZHANG yi 2005, 24(2): 148-150.  Abstract ( )   PDF (110KB) ( )   Under the assumption that stocks price consists of the risky part and the risk-less part, this paper studies the pricing of American options on stocks with known dividends and transaction costs, by using the finite difference method. At last, a numerical example shows that this method is efficient and accurate References | Related Articles | Metrics

Select

A new class of generalized bi-quasi-variational inequalities on paracompact sets WANG Da—cheng 2005, 24(2): 151-152.  Abstract ( )   PDF (104KB) ( )   A new minimax ineqUality theorem is established．which will be used to study the existeI脱problem of solutlon for 8 r cIass of generalized hi-quasi-variational inequity References | Related Articles | Metrics

Select

Approximations couple fixed point and couple fixed point theorems for nonexpansive mappings LIAO Zheng-qi 2005, 24(2): 153-154.  Abstract ( )   PDF (74KB) ( )   In this paper，we have obtained approximations couple fixed point of nollt． mappir and the existence theorems of corea fixed pointin Banach sp∞e ofopical conditio References | Related Articles | Metrics

Select

The existence of multiplicity solutions for nonlinear boundary value problem under the ambrosetti-prodi type condition FENG Chun 2005, 24(2): 155-157.  Abstract ( )   PDF (103KB) ( )   In this paper, we establish existence and multiplicity results for a nonlinear boundary value problem with a real parameter under the Ambrosetti-Prodi type condition. The two proof of the theorem is based on the use of strict upper and lower solutions and on coincidence topological degree arguments References | Related Articles | Metrics

Select

The application of complex variable boundary element method for analytic function homogeneous Riemann boundary value problem FENG Chun 2005, 24(2): 158-160.  Abstract ( )   PDF (99KB) ( )   A new minimax inequality theorem is established．which will be used to study the existence problem of solutlon for a new cIass of generalized hi-quasi-variational inequity References | Related Articles | Metrics