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用对拉螺栓来紧固模板,防止混凝土胀模,是建筑施工中一种常用的方法。对拉螺栓用量较大,间距一般为1000毫米左右,具体尺寸应根据计算确定,损坏率较高,一个工程竣工后,总有一大堆对拉螺拴损坏。对拉螺栓的损耗率为什么这么高呢?这主要是因为在拆模时,需要把螺栓取下来,施工时多用手锤使劲敲打对拉螺栓的一端,以便从另一端把对拉螺栓取出。敲打时,有相当一部分对拉螺栓的丝扣被砸坏,螺栓拧不上
It is a common method in building construction to use a pair of pull bolts to fasten the template and prevent the concrete from expanding. The amount of pull bolts is relatively large, the spacing is generally about 1000 millimeters, the specific size should be determined according to the calculation, the damage rate is high. After a project is completed, there will always be a lot of damage to the pull bolts. Why is the loss rate of the pull bolt so high? This is mainly because when the mold is removed, the bolt needs to be removed, and more hammers are used to hammer the end of the pull bolt to remove the pull bolt from the other end. When hitting, a considerable part of the threaded bolts of the pull bolts were damaged and the bolts could not be tightened.