The times of feed mechanism punchingshear is started from0 it can shear in free scope.
送料机构冲剪次数从0开始，任意范围内皆能剪断。
2
It is pointed out that punchingshear of plate and shear of oneway plate are two special cases of shear resistance of plates.
本文指出双向平板的冲切问题与单向板的抗剪问题是平板抗剪问题的特殊情况。
3
Such as: load area and shape, strength of concrete, composition of concrete, depth of slab, load position ratio of reinforcement, punchingshear reinforcement and scale effect.