Tension eccentricity of the specimen section is the main problem in concrete homogenous tensile strength test.

试件截面受拉偏心是混凝土均匀受拉强度试验中存在的主要问题。

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The position of tensile region of the section at mid-supports goes down as the span-depth ratio reduces.

中间支座截面受拉区的位置随着跨高比的减小而下移；

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Factors influencing the tensile strength of polymerizer head sample were introduced, which included the sampling position, sampling direction, sampling quantity and the cross section shape of sample.

介绍了影响聚合釜封头试样拉伸性能的因素：取样部位、取样方向和取样数量及试样的横截面形状。

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