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15 June 1995, Volume 14 Issue 2 Previous Issue    Next Issue

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The OPtimal Control Problem and Modelling of Multivariable Ration Systems Xu Maozeng 1995, 14(2): 1-5.  Abstract ( )   PDF (262KB) ( )   In this Paper, the optimal control problem of multivariable ration systems is discussed under the\state-space description. Then, a normalized optimal control model is established, Finally, a generalprocedure for the modelling is proposed. References | Related Articles | Metrics

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An Expeerimental Studey on the Load Carrying Capacity and PlasticDeformation Capacity of the Beam-to-Column Joint in Repeated Loading Liu Xiaoyu 1995, 14(2): 6-11.  Abstract ( )   PDF (357KB) ( )   In this paper, several types of beam to column subassemblages, which is composed of comparative-ly thin plates, are tested in the repeated loading. The maximum load carrying capacity and plastic defor-mation capacity are evaluated, and the effects of the vertical stiffner in the panel plate are also dis-cussed. References | Related Articles | Metrics

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A Study on the Design Method of Flexible Pavement Structures Yang Yan 1995, 14(2): 12-17.  Abstract ( )   PDF (386KB) ( )   In this paper, the design methods of flexible pavement structures commonly used in world,suchas AASHTO,AI,Shell and Nottingham university Methods etc, are discussed, and,the ways of improv-ing the present design methods of flexible pavement structures used in China is presented. References | Related Articles | Metrics

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The Fuzzy Design Method of Concrete Pavement Chen Zhongda 1995, 14(2): 18-21.  Abstract ( )   PDF (268KB) ( )   This paper,according to the theory and methed of fuzzy mathematics,analyses the fuzziness inthe design of cement concrete pevement, presents the concept of fuzzy bending fatigue strength and thefuzzy analysis method of cement concrete pavement,and finally explains specific courses of the fuzzyanalysis with the example. References | Related Articles | Metrics

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An Experimental Study on the Load transfer Capacity of SFRC Pavement Joint Meng Yun 1995, 14(2): 22-28.  Abstract ( )   PDF (400KB) ( )   The load transfer capacity of SFRC pavement joint is analysed based on the test results, in this pa-per,A proposal is presented to the calculated model of load transfer capacity of SFRC pavement. References | Related Articles | Metrics

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The Fuzzy Evaluation of Interchange Alternativo of Road Wu Guoxiong 1995, 14(2): 29-37.  Abstract ( )   PDF (449KB) ( )   Based on the index system of interchange alternative evaluation,in this paper,a weight systemof the evaluating indexes is established with the help of Fuzzy systematic evaluation and AHP,Accord-ing to the indexes character,the evaluating matrixes in different way is determined,Then interchangealternatives is evaluated using weighted average function. References | Related Articles | Metrics

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On Fractal Gradation of Aggregates Li Guoqiang,Deng Xuejun 1995, 14(2): 38-43.  Abstract ( )   PDF (282KB) ( )   Taking gradation aggregates as an example, this paper develops fractal gradation formula and com-pares it with the existed gradation formula. The results show that fractal is the essential essence of aggre-gates gradation. References | Related Articles | Metrics

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A Study on the “BOT”Type of Highway Constructing Zhuang Shaoqin,Wang Jingxiang,Gu Baonan,Yin Lianglong 1995, 14(2): 44-49.  Abstract ( )   PDF (385KB) ( )   Based the econom ic and technical analysis of highway project, the be havior of local govern-memts and foreign investors is emphatically dlscussed,and the four effects(On capital,technique,man-agement and regional development)of foreigh capital BOT are also analysed in this paper. References | Related Articles | Metrics

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The Statistical Andysis of Concrete Pavement’s Quality ChecK Su Yinshen 1995, 14(2): 50-59.  Abstract ( )   PDF (532KB) ( )   This paper simphy introduces the check scheme and statistical analysis of the concrete pavement.The point is to analysis and disscuss the in completeness and problems of the check scheme. Finally,some suggestions to solve these proplems are given. References | Related Articles | Metrics

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A New Multiattribute Decisison Method of Pavement Maintenance and Rebuilding Project He Zhaoyi,Deng Xuejun 1995, 14(2): 60-63.  Abstract ( )   PDF (226KB) ( )   In order to detemine the priority of pavement maintenance project, this paper proposes a new mul-tiattribute decision making method. The method can au tomatically determine the weight coefficientsamong attributes of the pavement condition,Finally,the methed is used in one example. In which priori-ty to the asphalt pavement maintenance and rebuilding project is analysed. References | Related Articles | Metrics

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Discussing to Establish and Perfect the Adjustment and Control Machine-Processed in Engineering Construction Investment Run ShenQiming 1995, 14(2): 64-69.  Abstract ( )   This paper discusses the problem of establishing and perfecting the adjustment and control ma-chine-processed in engineering construction investment run under the market economy condition.It isof theory sigmficance and reality significanee in controlling the engineering construction investmentand to raise the economy effectiveness. References | Related Articles | Metrics

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The Best Method of Interprolation Suiting for Engineering Xu Guangxiang,Cheng Changhua 1995, 14(2): 70-76.  Abstract ( )   PDF (355KB) ( )   To counter the roughness interprolation problem about computing water surface-probile in hy-draulic and waterway engineering, this paper has discussed linear method of interprolation. And, twointerprolation method suit for known roughness of one of many discharge were given. By calculatingfor the three methods, the results shows that the method of considering bed roughness and bank rough-ness sepuarately is the best method of interprolation. References | Related Articles | Metrics

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A Study on Regulation o Channel Located at Yang Jiaoqi of WuJiang Deng Guixiang,Deng Chuanwei 1995, 14(2): 77-88.  Abstract ( )   PDF (542KB) ( )   Based on the model expeiment,two feasible plans to reglate the channel located at Yang Jiaoqi ofWuJiang are presented in this paper. References | Related Articles | Metrics

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The Application of High Strain Dynamic Test in Pile Engineering Niu Zhirong,Chen Yongshun,Li Senyou 1995, 14(2): 89-93.  Abstract ( )   PDF (321KB) ( )   In this paper,the importance of the application,the concept and the analytical method of HighStrain Dynamic Pile Test are probed,the practical examples in some bridge pile engineering are given.Finally,the author set forth the own viewpoints to High Strain Dynamic Pile Test and its applicationprospects. References | Related Articles | Metrics

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The Study on the Approximate and Univied Calculation Model of Various Elastic Foundation for Foundation Beam Wang Duoyin 1995, 14(2): 94-102.  Abstract ( )   PDF (484KB) ( )   Based on the distributio n and spreading laws of the theoretical subsidary stress produced in varioussoil by foad,and combiming with the foundation settlement phenomenon in project.The umified calcula-tional model of various foundation is put forth by using load-transmission angle. On account of whichthe uifluence of load to the internal force of foundation beam may be calculated. References | Related Articles | Metrics

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Servo Opthimized Design Theory of New Type High Moment Hydraulic Lj Yjnong,Zheny Li 1995, 14(2): 103-111.  Abstract ( )   PDF (442KB) ( )   In this paper,a new typo of ball screw-rotary hydraulic motor is presented,The analysis of dynam-ic has been made and the load orbit equation also been set up.The new hydraulic motor has been designaccording to the servo optimized design theory which consumes lest energy. Its efficient and the frequen-cy width has been theoretically analyzed. References | Related Articles | Metrics

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A High Accuracy Explicit Difference Scheme for Solving Parabolic Equations Na Mingshu;Wang Bin 1995, 14(2): 112-114.  Abstract ( )   PDF (137KB) ( )   In this paper, a high accuracy explict difference scheme for solving parabolic equation is pro-posed,which has the advantages of higher accuracy,good stability,simple expression and convenientin application. References | Related Articles | Metrics