发明授权
- 专利标题: Segmented concrete beam
- 专利标题(中): SEGMENTED混凝土梁
-
申请号: US3561179D申请日: 1968-04-29
-
公开(公告)号: US3561179A公开(公告)日: 1971-02-09
- 发明人: YOUNG JAMES M
- 申请人: YOUNG JAMES M
- 专利权人: James M Young
- 当前专利权人: James M Young
- 优先权: US46090465 1965-06-03; US72498068 1968-04-29
- 主分类号: B28B23/22
- IPC分类号: B28B23/22 ; E01D2/04 ; E04C3/22 ; E04B5/08 ; E04C3/10 ; E04C3/26
摘要:
A PRESTRESSED, SEGMENTED CONCRETE BEAM, HAS THE TENSILE MEMBERS SO POSITIONED AND STRESSED AS TO EFFECTIVELY UTILIZE THE PRESTRESSING FORCES WHILE PREVENTING VERTICAL SHEARING OR SPLITTING AT THE ENDS OF THE BEAM. A METHOD OF MAKING SUCH A BEAM IS PROVIDED.
信息查询