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目前,在镶贴大规格的大理石(或花岗石)的施工中,常采用两种方法在块材背面固定铅丝。一种是将铅丝用环氧树脂砂浆粘在块材上;另一种方法是在块材边缘打“牛鼻子”眼,用铅丝穿过这个眼。前者受环境温度影响,粘接强度不易保证,后者在施工中需要专门配备一台钻,如果块材较硬。不容易钻孔也不安全。下面介绍一种简单、实用的方法来固定块材背面的铅丝。
At present, in the construction of large size marble (or granite), two methods are often used to fix the lead wire on the back of the block. One is to glue the lead wire with epoxy mortar on the block; the other method is to hit the “bull nose” eye at the edge of the block and use the lead wire to pass through the eye. The former is affected by the ambient temperature, and the bonding strength is not easy to guarantee. The latter needs to be specially equipped with a drill in the construction if the blocks are hard. It is not easy to drill and it is not safe. Here is a simple, practical method to fix the wire on the back of the block.