土拱房屋,就地取材,施工简便,隔热、防寒性能好。我国西北少雨地区采用较多。在几次较强地震中,不少土拱房屋经受了考验。由于习惯做法的一些缺陷,也出现了一些震害。土拱房屋的习惯做法是,先砌横墙和后(外)墙,再砌屋盖拱,最后砌前墙。拱圈多呈半圆形,砌筑时不用胎模,而是采用贴砌法用泥浆将土坯一圈圈贴砌而成。第一圈土坯是贴砌在 Soil arch homes, local materials, construction is simple, good insulation, cold performance. The use of more rain in the northwest China is less. In several strong earthquakes, many arched houses have stood the test. Due to some deficiencies in customary practices, some earthquake damage has also occurred. It is a customary practice for earth arch houses to first erect the cross walls and the rear (outer) walls, then build the arches of the roofs and finally build the front walls. Most of the arches are semi-circular, and the tire molds are not needed for masonry. Instead, the mud is used to paste the adobe into a circle. The first round of adobe was plastered on