建筑安装工程中,不论工程大小,预留孔洞均是一道重要工序。预留的成功与否,直接影响到后续工序的正常运行和混凝土墙面的外观质量。传统的预留法如砖块、木盒、钢套管等,经常发生跑模、变形等现象,且拆除困难、成形效果差,并严重影响了混凝土的外观质量和工程进度。本人在工作中对预留孔洞接触甚多,并有针对 Construction and installation works, regardless of the size of the project, to reserve holes are an important process. The success of the reservation directly affects the normal operation of subsequent processes and the appearance quality of concrete walls. The traditional reservation method such as brick, wooden box, steel casing, etc., often run mold, deformation and other phenomena, and the removal of difficulties, the forming effect is poor, and seriously affected the appearance of concrete quality and progress of the project. I am in the work of reserving holes in contact with many, and targeted