浙江勤县勤勇大队在农房建设中想方设法,节约木材,采用了无框内门。四年来,新建农房47000米~2,节约门框木材30多米~3,资金7200元,使用效果很好,已在全县推广。其做法是:在15～20天前,先将木砖预制在素混凝土块内(图4),然后按图1位置用1:3水泥砂浆砌在内墙门洞的两侧,供固定门扇和门锁之用。在内墙粉刷时,用1:2.5水泥砂浆抱角,并在门洞上部和两侧粉出10毫米厚的门靠线(图2)。在门洞口三面粉刷时,要求门洞尺寸准确,表面平整,门靠线要厚度一致,做成后的水泥砂浆门框内口尺寸,要比 In Qinxian County, Zhejiang Qinyong Brigade made every effort to save the wood in the construction of the farm house and adopted the frameless interior door. In the past four years, 47,000 meters of new rural houses have been built, saving more than 30 meters of door frame wood and 3,200 yuan of funds. The use effect is very good and has been promoted throughout the county. The practice is: in 15 to 20 days before the first prefabricated wooden blocks in the plain concrete block (Figure 4), and then according to Figure 1 position with 1:3 cement mortar built on both sides of the inner wall door for fixing the door leaf and Used for door locks. When painting the interior walls, use a 1:2.5 cement mortar to hold the corners and pour a 10 mm thick line on the upper and both sides of the opening (Figure 2). In the case of three openings in the mouth of the door, it is required that the size of the door hole is accurate, the surface is smooth, the thickness of the door line should be the same, and the size of the inner mouth of the cement mortar door frame should be better.