建筑专业英语.docVIP

PAGE PAGE 11 建筑类专业英语 班级：建筑0752 姓名：魏雪梅 学号：08号 指导教师：孟光伟 Roof Garden A vast part of the earth’s surface, in a town, consists of roofs. Couple this with the fact that the total area of a town which can be exposed to the sun is finite, and you will realized that it is natural, and indeed essential, to make roofs which take advantage of the sun and the air. However, we know that the flat shape is quite unnatural for roofs from psychological, structural, and climatic point of view. It is therefore sensible to use a flat roof only where the roof will actually become a garden or an outdoor room; to make as many of these “useful” roofs as possible; but to make all other roofs, which cannot be used, the sloping, vaulted, shell-like structures specified by sheltering roof and roof vault. Here is a rule of thumb: if possible, make at least one small roof garden in every building, more if you are sure people will actually use them. Make the remaining roofs steep roofs. The roof gardens which work are almost always at the same level as some indoor rooms. This means that at least some part of the building’s roofs will always be steep. We shall expect, then, that this pattern will generate roof gardens and steep roofs are mixed in almost every building. We now consider the flat roof, briefly, on its own terms. Flat roof gardens have always been prevalent in dry, warm climates, where they can be made into livable environments. In the dense parts of towns in Mediterranean climates, nearly every roof is habitable: they are full of green, private screens, with lovely views, places to cook out and eat and sleep. And even in temperate climates they are beautiful. They can be designed as rooms without ceiling, places that are protected from the wind, but open to the sky. However, the flat roofs