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2.Application of R-function theory to the problem of elastic torsion with trapezium sections
3.Using Alternation Approximate Method for following a Precedent to Answer Moment Capacity of Reinforced Concrete Trapezium Beams or Triangle Beams.
4.This paper introduces the general theory of sand cushion thickness design of replacement method, interprets the shortcomings existing in ladder-shaped distribution model and well-distribution model of the super imposed stress at the cushion base, and puts forward new standpoint, that is, the distributed law of superimposed stress at the sand cushion base is affected by the width height ratio.
5.Based on the minimum potential energy principal, the influences of three loads, which are concentrated force, trapezoidal load and sinusoid load, over shear lag of cantilever single-box-single-cell box girder are deducted and discussed, and a conclusion is reached, which has some instructive significance for designer to determine the sectional dimension and reinforcing bars; the bending normal stress changes greatly as considering the shear lag effect.
