发明名称 |
SETT OCH ANORDNING FOR SPENNING AV KABLAR I FORSPENDA BETONGKONSTRUKTIONER |
摘要 |
A system for tensioning stranded or wire cables in prestressed concrete comprises an anchoring head having holes in which are anchored the strands or wires. The anchoring head has a ring in screw-threaded engagement with an exterior surface of the head for providing a reactive support for the anchoring head. An intermediate member is releasably fixed to the anchoring head by rods which extend through holes in the intermediate member and are in screw-threaded engagement with the anchoring head. The intermediate member also has a screw-threaded exterior for engagement with the ring to allow the ring to provide a reactive support for the intermediate member at intermediate stages in a tensioning operation. The intermediate member is releasably connectable to a tensioning jack thus allowing the jack and the intermediate member to be removed from the anchoring head once tensioning is complete. |
申请公布号 |
SE8006766(A) |
申请公布日期 |
1981.03.29 |
申请号 |
SE19800006766 |
申请日期 |
1980.09.26 |
申请人 |
ROMUALDO * MACCHI |
发明人 |
ROMUALDO * MACCHI |
分类号 |
B25B25/00;B25B29/02;E04C5/12;E04G21/12;(IPC1-7):E04C5/12 |
主分类号 |
B25B25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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