FULL-SCALE PROOF LOAD TEST OF ULTRALITE COLD-FORMED STEEL ROOF TRUSS
Cold-formed steel lipped channel sections are widely used as secondary structural elements in building construction because of its low weight and ease of handling and use. However, these sections are frequently misconceived as having low member stiffness and poor clear spanning ability. An innovative example of how such sections can be used to form the primary roof structures for a factory building located in western part of Singapore is presented in this paper. The roof trusses are designed to span a clear distance of 12m in both directions. The structural roof layout consists of secondary trusses spaced at 4m centres with a clear span of 12m. After the building was completed and fully cladded, a full-scale proof load test of the cold-formed roof trusses was carried out. The test objectives, methods, observations and analysis of the load test are discussed in details and the results show convincingly that such Ultralite cold-formed steel roof trusses can be used without any problem.
Cold-formed local buckling deflection Zincalume(R) lightweight trusses proof load tests
C C Mei S P Chiew S L Toh
Ecosteel Sdn Bhd, Sarawak Malaysia Nanyang Tecnological University, Singapore BlueScope Lysaght (Singapore) Pte Ltd, Singapore
国际会议
The 9th International Conference on Steel Space & Composite Structures(第九届国际钢材、空间结构、组合结构会议)
烟台·北京
英文
285-292
2007-10-10（万方平台首次上网日期，不代表论文的发表时间）