Based on the structural non load effect, the causes of common concrete structural crack in tall buildings are analysed. The control method of crack development is discussed.
从结构的非荷载效应着眼，通过对目前高层建筑砼结构中常见的裂逢成因分析，提出控制裂缝扩展的相应对策。
The results indicate that under the vehicle load spectrum the effect of the non-symmetric load is obvious.
分析表明：车辆荷载谱作用下桥梁偏载作用明显；
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