《混凝土结构设计规范》规定,当矩形截面偏心受压构件的长细比<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/eb444c1af1a04fcab03482198d34069d.plain?x-oss-process=image/sharpen,200"/> ( )时,可以取<img src="http://jgxm-question.oss-cn-beijing.aliyuncs.com/psst/files/68533bcf31204b2db9e9fb3d554ed974.plain?x-oss-process=image/sharpen,200"/>