Archive

15 December 2002, Volume 21 Issue 4 Previous Issue    Next Issue

---

For Selected:

Download Citations EndNote Ris BibTeX

Toggle Thumbnails

Select

Structural analysis of short suspenders of half through or through arch bridge GU An-bang , XU Jun-lan 2002, 21(4): 1-3.  Abstract ( )   PDF (109KB) ( )   It is introduced in this paper that the structual analysis and destruction mechanism of short suspenders of half through or through arch bridge .Furthermore , it gives some davice for improving short suspendersdesign References | Related Articles | Metrics

Select

A new method of analyzing the effect of shear lag in bridge JIN Xin-hua , ZHENG Kai-feng , CHEN Ai-rong 2002, 21(4): 4-8.  Abstract ( )   PDF (179KB) ( )   Theoretical method of analyzing the effect of shear lag in bridge structures has some deficiency .Aiming at the deficiency , we introduced the technology of structrral simulation for entire bridge , and analyzed the effect of shear layg by using it as a new method .This paper discussed about the advantages of the new method .As an example , in various cases effect of shear lag in Jinma Bridge was analyzed .Finally , a discussion about the advantages and disadvantages of the theoretical method and the new method were made repectively .Consequently , it provided a new way to analyzing the effect of shear lag in bridge structures References | Related Articles | Metrics

Select

The control formular of beam columns (or links) and the application in engineering WU Heng-li 2002, 21(4): 9-11.  Abstract ( )   PDF (138KB) ( )   The control formular of bending bar due to longitudinal and transverse load is studied carefully in this paper . In the meantime this paper considers the application in civil engineering of above formular on buckling and vibration bars References | Related Articles | Metrics

Select

Wind-induced flutter analysis of long-span bridge based on second development of ANSYS HUA Xu-gang , CHEN Zheng-qing , ZHU Zhi-wen 2002, 21(4): 12-15.  Abstract ( )   PDF (162KB) ( )   ANSYS in used widely in bridge engineering with opened second-development system .The Multi-mode Participating and Single Parameter searching method (M-S method)is introduced briefly at first , and then the according program , which is used to implement wind-induced flutter analysis of long-span bridge using visual fortran based onM-S method in ANSYS , is developed by the authors of the paper .The example of Humen Suspension Bridge illusrates the whole procedure of wind-induced flutter analysis in ANSYS , the result shows accordingly with result of wind tunnel test and the program NACS developed by authors References | Related Articles | Metrics

Select

The numerical value analysis of Xiaotuanshan big segment highway tunnels stability HU Xue-bing , QIAO Yu-ying 2002, 21(4): 16-19.  Abstract ( )   PDF (171KB) ( )   The paper gives a reasonable judgment to big segment highway tunnels wall rock and supports construction stability according to the finity element construct calculation to XK18 +161 segment on Xiaotuanshan tunnel , which lies on the highway of Kunming-Shilin .Moreover , the paper analyses the reality by analyzing the result of the finity element numerical value calculation and the severe monitoring and measuring References | Related Articles | Metrics

Select

Discussions on the construction plan of Shuimofang No .2 connected-arch tunnel ZAN Cheng-zhong , XIONG Si-hua , LI Guo-li 2002, 21(4): 20-23.  Abstract ( )   PDF (154KB) ( )   The connected-arch tunnel is of big span .Since the mutual influence of each working procedure and complicated strength of the construct accepted during construction , a reasonalbe choice of the construction plan and method of dig can obviously reduce the cost of the temporary protected system , and ensure the tunnel safety during construction and using . References | Related Articles | Metrics

Select

Temperature warping and warping related stress of cement concrete pavement LI Zu-wei 2002, 21(4): 24-26.  Abstract ( )   PDF (103KB) ( )   The relationship among temperature warping deformation , temperature warping stress and warping related stress is analyzed for a cement concrete beam placed on rigid basement .It is shown that the influence of temperature warping is remarkable to cement concrete pavement References | Related Articles | Metrics

Select

Study on performance of fiber-enhanced bituminous mixtures PENG Bo , JIN Ming , YUAN Wan-jie 2002, 21(4): 27-30.  Abstract ( )   PDF (143KB) ( )   According to the research on fiber-enhanced bituminous mixtures , this paper analyzed its marshall stability , high temperature stability , cracking resistance at low temperature and fatigue resistance , and studied its mechanism of strength . The fiber-enhanced bituminous mixtures and asphalt concrete are compared .The result indicates that fiber-enhanced bitumious mixtures is a higher performance bituminous pavement material References | Related Articles | Metrics

Select

Study of effect of fiber on SMA WANG Rui-jia , ZHANG Zheng-qi 2002, 21(4): 31-33.  Abstract ( )   PDF (105KB) ( )   Based on the study of property of SMA and compared with normal asphalt concrete , this paper analyses the difference between SMA and normal asphalt concrete .At the mean time , this paper studies the effect of fibers on the SMA and gives proposals for application References | Related Articles | Metrics

Select

Analysis of measure to prevent and dispose bridge approach bump FENG Guang-le , LING Tian-qing 2002, 21(4): 34-38.  Abstract ( )   PDF (160KB) ( )   On the foundation of analysis damage cause of bridge approach bump , this paper discusses various preventing measures which are used currently in detail , analyzes the maintenance judgment index and maintenance goal extreme value , and gives some good advice to maintenance measure of bridge approach bump References | Related Articles | Metrics

Select

Study on the technique of biulding big-volume concrete in bridge construction HUANG Hua-hua , LI Zu-wei , LIU Lang 2002, 21(4): 39-41.  Abstract ( )   PDF (103KB) ( )   With the large-scale construction of expressway in China , biulding big-volume concrete and how to keep its quality are often met in bridge construction .This paper analyses the reasons why the crack often appears in biulding bigvolume concrete , puts corporated method , and offers some new ideas on the development of the technique of biulding big-volume concrete in bridge construction References | Related Articles | Metrics

Select

Model test research on resisting highway tympanites structure in Xinjiang CHEN Hong-kai , YE Si-qiao , ZHANG Xue-qing , LI Jian-jun , WANG Kai 2002, 21(4): 42-46.  Abstract ( )   PDF (199KB) ( )   This paper is based on the design request of resisting highway tympanites at G218 Xinjiang municipality .It is established in the techniques and principles of controlling highway tympanites .The authors draw out preparatory hihway transect design , test the validity of resisting highway tympanites structure by model test , research on the mechanism of highway tympanites and offer a beneficial way to designing the highway structure in tympanites region References | Related Articles | Metrics

Select

Enhancing the reliability of decision-making of highway network planning ZHU Shun-ying , WANG Hong , LIU Wei , ZHANG Jian-xu 2002, 21(4): 47-50.  Abstract ( )   PDF (134KB) ( )   The three kinds of factors inducing to missing decision-making in highway planning are pointed out .A new synthetically method of decision-making is put forward and discussed in an illustration in detail References | Related Articles | Metrics

Select

The prediction of the road capacity of tourist transport HUANG Ping 2002, 21(4): 51-53.  Abstract ( )   PDF (107KB) ( )   The prediction of the road capacity of tourist transport is the basis for the development and management of road transportation and tourism , which indicates the developmental trend of regional tourism.Closely related to the characteristics of road tourist transport , this paper comes up with a regular predictive model , Elasticity Coefficient Method , about regional total volume of tourist transport .At the same time , “Scenic Capacity-Attraction Model” and “Capacity-Vehicle Mode Model” lay a theoretical basis for the configuration of vehicle mode for tour transportation and reasonable organization for transport References | Related Articles | Metrics

Select

Hydraulic calculation for expressway pavement surface drainage LI Jia-chun , TIAN We-ping , LU Ya-li 2002, 21(4): 54-56.  Abstract ( )   PDF (113KB) ( )   To improve the design of pavement surface drainage , this paper puts forward a new method of hydraulic calculation for pavement .On the basis of the conservation of mass , the paper utilizes the Chezy-Mannings theory to analyze the current on the pavement surface and brings forward a few new formulas .The new method is valuable and flexible in practice References | Related Articles | Metrics

Select

Logistics and competitive stratagem of enterprise (Ⅱ) JIANG Yang-sheng, WU Guo-xiong, CHEN Yan-ru 2002, 21(4): 57-60.  Abstract ( )   PDF (125KB) ( )   Value advantage is one important part of competitive stratagem in enterprise operation .In this paper , value advantage is divided into two parts i .e , advantages of market-subdivision and of client-service .Based on them , the contribution of logistics to market-subdivision and client-service are separately discussed .At last , the conclusion that logistics is one important part of building value advantage is made References | Related Articles | Metrics

Select

Stability analysis on loose Earth landslides along the bank of the Three Gorges Reservoir TANG Hong-mei 2002, 21(4): 61-65.  Abstract ( )   PDF (190KB) ( )   Taking Qingquanlu (Yuanjiadeng)landslide , situated in Wanzhou of Chongqing city , as an example of loose Earth landslide and based on stability calculating of six modes fitting to landslides located at bank of the Three Gorges Reservoir in this paper , the author analyzes stability trend in detail for the landlide to develop .All research results identify that the mode of the decrease of reservoir level is key mode to control stability of the landslide andmust be control mode in harness of the landslide References | Related Articles | Metrics

Select

Design and construction of Dahuadi slide control in Bingqing road PU Qun-lin 2002, 21(4): 66-69.  Abstract ( )   PDF (142KB) ( )   This paper introduces the engineering of Dahuadi slide control , because of specialty of its location , a little of special control may be used in the engineering :double level control ways are used and the largest cantilever height of slope-resistant is 18.4m , the longest length of anchor-cables is 43.0m , and there are 5 calbes in a slpoe-resistant pile References | Related Articles | Metrics

Select

The way of mixture ratio design and influence on the project cost LIU Tang-zhi , CHEN You-lin , SUN Gao-lei LU Yi-zhao 2002, 21(4): 70-74.  Abstract ( )   PDF (160KB) ( )   Considering both technological and economical requirments , this paper concludes that the mixture grade design has influence on the project cost while meeting the technological requirments .Moreover , it puts forward the way to optimize the mixture grade design which is very meaningful in practice References | Related Articles | Metrics

Select

Principles and test of GPS layout of road alignment based on RTK functions FENG Xiao , ZHOU Ping , FAN Hong-cheng , WU Xue-qiang , CAO Zhi-xiang 2002, 21(4): 75-78.  Abstract ( )   PDF (139KB) ( )   On the basis of introduction to the principle of GPS statistic and RTK dynamic position , a new highway alignment method based on RTK functions of GPS has been introduced .A method of line segment element for different defining method of mileage is put forward .The mathematical principles on centerline surveying are given out .Part of engineering testing works is introduced References | Related Articles | Metrics

Select

Study of quality evaluating standard for SNS system YE Zheng-quan 2002, 21(4): 79-81.  Abstract ( )   PDF (102KB) ( )   As there is few application lases of SNS system in road engineering , and the quality evaluating standard cannot be found in national standard and communication department standard , an example which SNS system is applied in slide end of Bingcaogang Bridge is provided in this paper , which is used to study and investigate standard of quality evaluating References | Related Articles | Metrics

Select

The equilibrium bidding strategy for the bidders with different attitudes toward risk in the first price sealed auctions LI Jian-zhang 2002, 21(4): 82-84.  Abstract ( )   PDF (110KB) ( )   We consider the first price sealed auction which the biddersutility functions is u (x) =xa (0 0,i =1,2), for sufficiently large one of βi the auction is not pareto efficient References | Related Articles | Metrics

Select

The considerations of nonlinear mechanics WU Heng-li 2002, 21(4): 85-86.  Abstract ( )   PDF (76KB) ( )   Some problems of nonlinear mechanics are suggested and considered in this paper References | Related Articles | Metrics

Select

The out-of-limit vehicles supplementary fee analysis of Chongqing′s main highway based on highway supplementary invest HE Zhao-yi , XUMao-zheng , TANG Bai-ming 2002, 21(4): 87-92.  Abstract ( )   PDF (178KB) ( )   At present , the out-of-limit vehicles transportation of state and provincial highway is widespread .Collecting out of-limit vchicles fee is one of the effective measures in out-of-limit vehicles transportation management .In the paper , outof-limit vehicles Supplementary fee is proposed based on highway supplementary invest , and the results can be used for reference in formulating out-of-limit vehicles management policy References | Related Articles | Metrics

Select

Study on construction period navigation conditions to Changshou Railroad Bridge of the Yangtzi River YANG Bin , YANG Sheng-fa 2002, 21(4): 93-97.  Abstract ( )   PDF (203KB) ( )   Changshou Railroad Bridge is one of the important engineering in Yuhuai Railroad .Since the construction period of Changshou Railroad Bridge is restricted , the style of simultaneous construction in sixth and seventh pier will be adopted.That will alter the stream conditions and influence shipping .In this paper , the navigation conditions are expatiated in the construction of Changshou Railroad Bridge from different aspects .And the corresponding method on navigation safety is advised . References | Related Articles | Metrics

Select

Expriment of coefficient of local resistance of Heyang Bridge ZHAO Zhi-zhou , ZHOU Hua-jun , ZHANG Da-qing 2002, 21(4): 98-100.  Abstract ( )   PDF (116KB) ( )   In accordance with the date obtained from the expriment of the model which refers the form of bridge column , arch block and spandrel structure , angle between master stream and normal direction of the axis of Heyang Bridge above the Jialingjiang River , a formula of coefficient of local resistance contained the parameter of dimensions , number , submerging hight , etc .of the column is established in this paper .The formula can be for referrence before calculating of the rising surface curve of similar bridges References | Related Articles | Metrics

Select

Calculation of store floodwater &sediment deposition on the Hechuan Reservoir in the Jiangling River YANG Sheng-fa, XU Guang-xiang, LI Chang-zhi, FANG Duo 2002, 21(4): 101-105.  Abstract ( )   PDF (164KB) ( )   The construction of the Hechuan reservoir can store floodwater and reduce sediment deposition of the Yangtze river .This paper gives the dispatch plan of the water level in varies flow on draining off sediment .Moreover , based on the 1-D suspend sediment calculation for the sediment deposition course and position of sediment deposition , analysis on the ratio of draining off sediment &sediment deposition had been done References | Related Articles | Metrics

Select

The integrated compositive appraisement system for the choosing of migrant site and its application TANG Hong-mei 2002, 21(4): 106-109.  Abstract ( )   PDF (137KB) ( )   The integrated and compositive appraisement system is for the choosing of migrant site , whose function is focused on migrant site objectively and adopting appropriate engineering and structural measurement for the design and construction of important structure .Thus , this system is composed of three administrative levels .However , this system does not take the economic and geographic factors into account .So , it is just a qualitative appraisal system.This paper choosing the Shuanjiang migrant site in Yunyang city as prototype , getting numerical value by Dephel Method , based on detailed field survey , integrating finite geologic drilling data , combining rock-soil and underground water experiment data with expertsexperience , establishes the system .The authors have applied the system in the analysis of Shuangjiang migrant site .The result consisted well with the real status .The system must be directive to be appraisement of the choosing of migrant site References | Related Articles | Metrics

Select

Application of intelligent control methods in automobile AMT system YANG Zhi-gang , CAO Chang-xiu , HUANG Jian-ming 2002, 21(4): 110-113.  Abstract ( )   PDF (144KB) ( )   Aiming at the problems of control of throttle , determination of clutch engagement starting point and the optimal shift schedule in the automated mechanical transmission (AMT), the intelligent control methods , which are the multi-mode control , the fuzzy logic controlled and the self-learning control , are discussed in this paper .The practical application in AMT system used in a SANTANA 2000 car shows that these methods are feasible , and also proves that intelligent control technique is practical and advanced for control system of vehicle References | Related Articles | Metrics

Select

Automobile active safety based on the early warning system QIN Guang-yan , YANG Zhi-gang 2002, 21(4): 114-118.  Abstract ( )   PDF (166KB) ( )   The conception , construction and main functions of the safety early warning system are introduced in this paper .On the basis of this , how to utilize the system to avoid actively traffic accident is discussed further .The mathematic model of safe distance and its application are also studied in this paper References | Related Articles | Metrics

Select

On the effect of shiphanding with the shallow CHEN Zhe , XIE Shi-ping 2002, 21(4): 119-122.  Abstract ( )   PDF (140KB) ( )   When the vessel sails from deep water to shallow or in shallow , the shallow effect will appear ,e.g., the insistance will increase , the speed will fall , and the ship body will go down , and accordingly effect the manoeuvreability References | Related Articles | Metrics