软拱架是陕北修建石拱桥和窑洞时所使用的一种支架方法,是当地劳动人民创造出来的,现在介绍如下。软架使用的材料绝大部份是就地取村的。所用的木料大部分是向老百姓家借来的,有的是盖房子用的大梁、檩条、椽木,有的是棺材板,粗细长短极不均匀。为了不影响老乡们以后继续使用,在拼凑使用时,尽量避免裁截、穿螺丝打眼。 Soft arch is a scaffolding method used in the construction of stone arch bridge and cave in northern Shaanxi, is created by the local working people, and now introduced as follows. The vast majority of the materials used by the soft shelves are located on the spot. Much of the wood used is borrowed from the common people, and some are beams, purlins, rafters and some coffin boards used to build houses. The thickness is very uneven. In order not to affect the fellow who continue to use after the patchwork, try to avoid cutting, wearing a screwdriver.