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20 April 1987, Volume 6 Issue 2 Previous Issue    Next Issue

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Personnel System Analysis-Modeling & Application in Personnel Function Rating (I) Chen Guozhen, Ge shurong 1987, 6(2): 1-9.  Abstract ( )   PDF (579KB) ( )   This paper advances the rating path of monad-element, further more, it raisis the mathematical model of personnel function rating. A norm of comprehensive rating is introduced, the norm can be considered as the expectation of the rating. The model indicates that the rating results can be described by the distribution in class. Related Articles | Metrics

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Steep Wave Forces on Large Cylinders in Any Water Depth Wu Songren, Zhou Huajun 1987, 6(2): 10-18.  Abstract ( )   PDF (510KB) ( )   The present paper provides an approximate method for predicting steep wave forces on large vertical cylinders in any water depth. The method is based on Rienecker and Fenton's numerical wave theory and linear diffraction theory of MacCamy and Fuchs. A program has been made according to the method, the predicted wave forces on surface piercing cylinders are compared with the site-measured and experimental results. It is found that the predictions agree closely with the measured forces in most cases. Related Articles | Metrics

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A New Mathematical Model for Sowing DCPm Problems Xiong Zhongkai 1987, 6(2): 28-35.  Abstract ( )   PDF (426KB) ( )   In this paper a new Mathematical model for solving DCPM Problems. is in troduced. Related Articles | Metrics

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Channeling Effect and Nonlinear Behaviours of Particle Luo Shiyu, Yu Chaofan, Shao Mingzhu 1987, 6(2): 36-40.  Abstract ( )   PDF (267KB) ( )   Based on Moliere expansion potential, the equation of particle motion has been reduced to the nonlinear differential equation and looked for the solution of the equation by PLK method. Nonlinear properties of this system are discussed and the space dstribution and the momentum distribution of channeling particle are denied. Related Articles | Metrics

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Research on Setting Condition of Highway and Railway Cross-over Zhaug Xiaoyu, Wu Mingdong 1987, 6(2): 41-55.  Abstract ( )   PDF (1000KB) ( )   In this paper, predicted the time saving of traffic according to the traffic property of the automobiles passing the grade crossing. Based on the method of the moving investment-pay time estimated the ecconomic loss for twenty six typical grade crossings investigated in five proviuces of China and obtanied the equations of the regression of ecconomic efficiancy, highway and railway tnaffic volume by using the method of gradual regression analysis. These equations are the setting condition of highway and railway Cross-over. Related Articles | Metrics

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A Thin-Walled Eccentric Beam Element for Bus Body Structure Analysls Chen Jiye 1987, 6(2): 72-79.  Abstract ( )   PDF (432KB) ( )   For calculating stress of bns body structure, a thin-walled eccentric beam element witch accords with demands is introduced in this paper.The eccentricity existing in truthful structure. is directly calculated in finife element stiffness matrix, so the analysis of bus body structure is more effective, which offer a truthful data for design of bus, The well performance of the thin-walled eccentric element has been proved from a example of a real bus body analysis. Related Articles | Metrics

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Discussion on Design Methods for Maximum Density Graded Aggregate Mixture Xie Fengju 1987, 6(2): 80-86.  Abstract ( )   PDF (462KB) ( )   Advantages and disadvantages of design methods for maximum density graded aggregate mixture are discussed briefly in this paper. The modified balanced area method is proved that is correct in reason and valid for practice. The method to solve linear equations is described and some examples of computerization are given. Related Articles | Metrics

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Simulation of the Process to Generate Involute Tooth Profile With Pc-1500 Tang Deqing 1987, 6(2): 87-93.  Abstract ( )   PDF (370KB) ( )   An application programm, which simulates the process in machinning gears to generate involute tooth profile, is introduced in this paper. It's useful in teaching as well as for reference in designing some generating tools. Related Articles | Metrics

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Calculation of Out-of-Plane Ultimate Load Carrying Capacity of Reinforced Concrete Arch Luo Ren 1987, 6(2): 94-103.  Abstract ( )   PDF (676KB) ( )   This paper studies the ultimate load carrying capacity of reinforced concrete arch. The arch is subjected to uniformly nodal vertical loads. The arch fails in elastoplastic lateral deflection associated with the flezuraltorsional deformation of the arch rib. Finite displacement theory and isoparametrc concepts are applied to three-dimensional beam element with rectangular cross-section, A simulation model is set up. The formulas of three nodes beam element are developed and applied to the calculation of the ultimate load carrying capacity of reinforced concrete arch. The experiments prove that the calculation method is reasonable. Related Articles | Metrics

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Studies on Shear Strength of the Inclined Section of Reinforced Concrete Beams Yuan Guogan 1987, 6(2): 104-118.  Abstract ( )   PDF (1058KB) ( )   The research results in shear strength of inelined section of reinforced concrcte beams, which have been used in the Chinese "Design Code of Reinforeed and Pres tressed Concrete for Highway Bridges" (JTJ-023-85), are discussed in the present paper. Some of the back-ground information in the New design provisions for shear strength of reinforced concrete beams is also introduced. Related Articles | Metrics

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Strenthening Education of an Ability for Students in General Physics Liu Daoshan 1987, 6(2): 124-128.  Abstract ( )   PDF (405KB) ( )   This Paper illuminated how streng then the education of the ability on the analysing and soluting probiems of students jointed the classical contents. Related Articles | Metrics

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Strenthening the Taining of Student Ability Raising the Teaching Quality Zhang Zuhui 1987, 6(2): 129-132.  Abstract ( )   PDF (358KB) ( )   In this paper, through the practical teaching in Descriptive Geometry and Engineering Graphics, have a discussion on strenthening student's ability of self-education, approching their ability of the spacial visualization and training their construction ability. Related Articles | Metrics