发明名称 |
A STEEL JOIST |
摘要 |
A steel joist for use in a composite steel and concrete construction consists of a web (17), a bottom chord (16) and a double top chord (18) construction consisting of two elongated substantially identical members (21) each of S or Z cross-section and being connected to or integral with the web (17). The members (21) are positioned in mirror relation tone another to provide symmetry about a vertical axis, and in use are embedded in a concrete slab, with the web (17) and bottom chord (16) not being embedded in the concrete. |
申请公布号 |
DE3378068(D1) |
申请公布日期 |
1988.10.27 |
申请号 |
DE19833378068 |
申请日期 |
1983.12.13 |
申请人 |
HAMBRO STRUCTURAL SYSTEMS LIMITED |
发明人 |
LAURUS, FELIX F.;BUTTS, ERNEST O. |
分类号 |
E04B5/32;E04B5/29;E04C3/04;E04C3/07;E04C3/09;(IPC1-7):E04C3/09 |
主分类号 |
E04B5/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|