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当今,随着人口数量的不断增加,对丘陵地区来说,仅有的一点平地上,建筑物早已是鳞次栉比了。为了满足人们日趋紧张的住房要求,人们不得不把建筑物搬到山坡、山顶。这样虽缓解了住房用地的紧张,但也带来了新的问题。对坡度较大的地段,为了便于布置道路,简化个体建筑的设计、施工并结合朝向,大多数建筑仍采用平行于等高线的布置方式,使栋与栋之间存在着较大的高差,而不得不在高差处设挡墙。这些挡墙有的与其下面的住宅间距仅为3m或4m,而高度达5m以上,从而给住宅环境带来了如下一些问题:
Nowadays, with the continuous increase in the number of people, for the hilly areas, there is only a little bit of land on the ground, and the buildings are already lined up. In order to satisfy people’s increasingly tense housing requirements, people had to move buildings to the hillsides and mountain tops. Although this has eased the tension in housing land, it has also brought new problems. For sections with large slopes, in order to facilitate the layout of roads and to simplify the design, construction and orientation of individual buildings, most buildings still use layouts parallel to the contour lines, so that there is a large height difference between buildings and ridges. , and had to set a retaining wall at the height difference. Some of these retaining walls are only 3m or 4m away from the residential house below them, and the height is more than 5m, which brings the following problems to the residential environment: