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抗震缝设置规范要求有哪些知道的说说？

抗震缝设置规范要求有哪些知道的说说？

浏览：33次 | 提问时间： 07-10 09:21

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你的温度 07-10 09:22

1，防震缝宽度应符合下列规定：
1)框架结构房屋，高度不超过15m时不应小于100mm；超过15m时，6度、7度、8度和9度分别每增加高度5m、4m、3m和2m，宜加宽20mm；
2)框架-剪力墙结构房屋不应小于本款1)项规定数值的70％，剪力墙结构房屋不应小于本款1)项规定数值的50％，且二者均不宜小于100mm。
2，防震缝两侧结构体系不同时，防震缝宽度应按不利的结构类型确定；
3，防震缝两侧的房屋高度不同时，防震缝宽度可按较低的房屋高度确定；
4，8、9度抗震设计的框架结构房屋，防震缝两侧结构层高相差较大时，防震缝两侧框架柱的箍筋应沿房屋全高加密，并可根据需要沿房屋全高在缝两侧各设置不少于两道垂直于防震缝的抗撞墙；
5，当相邻结构的基础存在较大沉降差时，宜增大防震缝的宽度；
6，防震缝宜沿房屋全高设置，地下室、基础可不设防震缝，但在与上部防震缝对应处应加强构造和连接；
7，结构单元之间或主楼与裙房之间不宜采用牛腿托梁的做法设置防震缝，否则应采取可靠措施。

萌萌猪 07-10 09:31

砌体建筑，应优先采用横墙承重或是纵横墙混合承重的结构体系。在设防烈度为八度和九度地区，有下列情况之一时，建筑宜设防震缝：　　
1建筑立面高差在6m以上。　　
2建筑有错层且错层楼板高差较大。　　
3建筑各相邻部分结构刚度、质量截然不同。　　
此时防震缝宽度可采用50-100mm。缝两侧均需设置墙体，以加强防震缝两侧房屋刚度。　　
防震缝要沿着建筑全高设置，缝两侧应布置双墙或者双柱，或一墙一柱，使各部分结构都有较好的刚度。　　
防震缝应与伸缩缝、沉降缝统一布置，并满足防震缝的要求。一般情况下，设防震缝时，基础可以不分开。

我叛逆我野蛮我自作多情 07-10 09:39

你好，变形缝防火材料性能指标：

1.容重轻、耐高温、热稳定性好

2.热传导率低、热容小

3.抗机械振动好、受热膨胀小、美硕变形缝隔热性能好等优点，经特殊加工，可制成硅酸铝纤维板、硅酸铝纤维毡、硅酸铝纤维绳、硅酸铝纤维毯等产品。

4.新型密封材料具有耐高温导热系数低，容重轻

5.使用寿命长

6.抗拉强度大，弹性好

7.无毒等特点，特别环保

变形缝防火带使用范围

广泛用于建筑、高铁站，大型机场，化工的热能设备上的保温。

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