发明名称 |
PRE-STRESSED TRUSSED BEAM |
摘要 |
construction engineering; coverings of buildings and structures. SUBSTANCE: pre-stressed trussed beam has spacer bar, main truss, top and bottom flexible tie bars with tensioning devices, posts with guides for passing flexible tie bars, and coupling members for joining posts within its external dimensions. Truss beam is provided with additional paired trusses including flexible tie bars with tensioning devices and locking members passed through guides in posts of main truss and fixed near beam supports and at points of maximal cross deformations of purlin. EFFECT: enhanced strength and stability under nonequilibrium loads; reduced metal input. 2 dwg
|
申请公布号 |
RU2169243(C1) |
申请公布日期 |
2001.06.20 |
申请号 |
RU19990121174 |
申请日期 |
1999.10.06 |
申请人 |
PETERBURGSKIJ GOSUDARSTVENNYJ UNIVERSITET PUTEJ SO;OBSHCHENIJA |
发明人 |
EGOROV V.V.;ALEKSASHKIN E.N. |
分类号 |
E04C3/10;(IPC1-7):E04C3/10 |
主分类号 |
E04C3/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|