摘要
扣件式钢管支架是目前桥梁施工中较为常用的一种支架。其计算的关键点应分别是:立杆轴向压力N,横向水平杆的弯曲强度,抗弯刚度,纵向水平杆的步距H,扣件的抗滑移承载力R及立杆基底处的平均压力P。通过对支架承载力的准确计算,合理地布置各构件,使支架充分发挥各构件的作用;在总体设计荷载作用下,支架处于安全、稳定状态。
Buckle steel tubing trestle is commonly used in construction of bridge. The main point of its calculations are： axial feed of pole setting, fiexural strength of horizental pole, rigidity, vertical range of horizontal pole load bearing capacity of buckle components and the mean pressure at the bottom of the poles. Components were fixed up rationally through accurate calculation of the load beating on the trestle. So, all parts can be fully used. Under the whole load, the trestle design is safe and stable.
出处
《低温建筑技术》
2008年第2期43-45,共3页
Low Temperature Architecture Technology
基金
石河子大学自然科学基金(ZRKX2005082)
关键词
支架承载力
轴向压力
弯曲强度
抗弯刚度
load bearing of the trestle
axial pressure
flexuml strength
rigidity
