Sustainable steel-timber joints for framed structures

被引：9

作者：

Bradford, Mark A. ^{[1
]}

Hassanieh, Amirhossein ^{[1
]}

Valipour, Hamid R. ^{[1
]}

Foster, Stephen J. ^{[1
]}

机构：

[1] UNSW Sydney, UNSW Australia, Sch Civil & Environm Engn, Ctr Infrastruct Engn & Safety, Sydney, NSW 2052, Australia

来源：

MODERN BUILDING MATERIALS, STRUCTURES AND TECHNIQUES | 2017年 / 172卷

基金：

澳大利亚研究理事会;

关键词：

Hybrid structure; load-slip; shear-connectors; steel-timber composite (STC); timber; CONNECTIONS;

D O I：

10.1016/j.proeng.2017.02.011

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The mechanical characteristics of steel-timber composite (STC) connections play an essential role in the safe and economical design of hybrid STC structures and floor systems. Accordingly, this study investigates the load-slip behaviour of lap Laminated Veneer Lumber (LVL) timber-steel plate composite joints. Push-out tests on four different types of STC lap joints connected by coach screws (with and without a reinforcing nail plate), high-strength bolts and a combination of glued and screwed joints are reported, and the load-slip behaviour and failure modes of the connections are characterised. The use of a nail plate is found to be effective in reinforcing the timber and in increasing the stiffness of STC lap joints with coach screws, but they do not produce a significant improvement in their strength. A non-linear regression is carried out and an empirical load-slip formulation for STC lap joints with coach screws and high strength bolted connectors is proposed in analytical form. (C) 2017 Published by Elsevier Ltd.

引用

页码：2 / 12

页数：11

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