以开心形丰水梨幼树为试材,通过轻剪、重剪和不修剪处理对其树体生长指标、产量、根系分布度进行比较分析。
The young trees of open-center shaped Housui pear were used as the material to study the effect of different pruning rate(light, heavy and no) on the pear tree growth, fruiting and root growth.
结果表明,高强次轻混凝土梁比轻集料混凝土梁的抗剪承载力有较大的提高,且比普通混凝土梁的抗剪强度大;
The tests indicated that the ultimate shear strength of it was a little larger than normal-weight concrete beam's, and larger than lightweight concrete beam.
本文就钢筋轻骨料混凝土梁的抗剪强度计算问题进行了论述。
This paper deals with the calculation of the shear strength of reinforced lightweight concrete beams.
应用推荐