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钢构厂房设计有哪些问题需要注意？

钢构厂房设计有哪些问题需要注意？

浏览：29次 | 提问时间： 07-10 10:10

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3个答案

入骨相思知不知 07-10 10:11

在设计钢架厂房时，钢结构厂房应考虑由风吸力作用所引起构件内力变化的不利影响。此时永久荷载分项系数取为1.0。这一规定主要是考虑到当设计的刚架、屋架、檩条在屋面材料较轻的情况下；若受风吸力作用，构件内力将会变号，会出现拉杆变为压杆的情况。在内力变号时永久荷载起减载作用，永久荷载分项系数取为1.2，则会造成结构可靠度的降低，导致不安全因素。
　　钢材应用广泛、品种繁多，根据断面形状的不同、钢材一般分为型材、板材、管材和金属制品四大类、钢材是钢锭、钢坯或钢材通过压力加工制成需要的各种形状、尺寸和性能的材料。大部分钢材加工都是钢材通过压力加工，使被加工的钢(坯、锭等)产生塑性变形。根据钢材加工温度不同，可以分为冷加工和热加工两种。
　　在风荷载作用下，门式刚架的侧移按GBJ18-87《冷弯薄壁型钢结构技术规范》规定为柱顶高度的1/150。但在这2个规程中均作了细化规定并作相应调整，但具体数值不尽相同。设计者在使用时宜予以注意。

避开 07-10 10:20

一、严把材料关，材料的质量直接决定钢结构厂房以后的使用安全及使用寿命。
二、严把人员素质关，高素质的人才，对于钢结构房屋的建设，方能有最大化有效的保障。
三、钢柱的安装，这是钢结构厂房的基础之一，只有基础打好，对于后续的安装才会更加的有帮助。　　四、钢结构的连接，保证钢结构安全有效的进行，保证以后使用厂房的一个安全性。
五、预埋地脚螺栓偏位，最大化的发挥钢结构厂房的一个大跨度作用。
六、构件拼装偏差，以便保证钢结构厂房的顺利施工。
七、钢结构厂房防火，在这个方面也可以使钢结构厂房的一个使用安全性，以及耐久度都大为的提高。　　八、钢结构防腐可以有效的防止室外受到风雨等自然力的侵蚀，生锈老化等现象，延长钢结构厂房的使用寿命。
九、钢结构屋面防水，更好更为规范的保证钢结构厂房出租的工作效率的持久性。

Excuses借口 07-10 10:28

你好，钢构厂房设计需要注意的问题如下：
1、跨度：主钢架轴线之间的距离
2、高度：地坪至柱轴线与斜梁轴线交点的高度
3、檐口高度：地坪至房屋外侧檩条上缘的高度
4、宽度：房屋侧墙墙梁外皮之间的距离
5、常用尺寸：跨度：9~36m
6、柱距：一般采用6~9m，大于9m采用桁架式
7、檩条高度：有桥式吊车不宜大于12m

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