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    • 7. 发明授权
    • Prestressed concrete lining in a pressure tunnel
    • 压力隧道预应力混凝土衬砌
    • US5066167A
    • 1991-11-19
    • US640234
    • 1991-01-11
    • Erwin SiegfriedPeter Marti
    • Erwin SiegfriedPeter Marti
    • E02B9/06E04C5/12E04G21/12E21D11/08E21D11/10
    • E04C5/12E02B9/06E04G21/12E21D11/107Y02E10/22
    • The prestressed concrete lining has several reinforcement elements (32) distributed around the circumference and along the length of the pressure tunnel. There are prestressing elements (38, 39, 40, 41) which encompass at least a part of the circumference of the pressure tunnel. A bottom part (35) is disposed within the pressure tunnel, formed of several elongated anchorage bodies (15) in series. Each of the anchorage bodies (15) has an essentially U-shaped cross section. In each of the arms (2, 3) of the anchorage bodies turned towards the inside of the tunnel there are first means (5) for passing through at least one of each of the prestressing elements (38, 39, 40, 41). An bearing plate (8) is disposed on each of the facing inner surfaces of the arms in the region of each of the first pass-through means (5). Second means (10) for passing through at least one of each of the prestressing elements (38, 39, 40, 41) are foreseen in the base arm of the anchorage body 15. Each of the prestressing elements (38, 39, 40, 41) is, starting from a dead end anchor (43, 44), led through one of the second pass-through means (10) of one of the anchorage bodies (15) and, after crossing through one of the first pass-through means (5) of one of the anchorage bodies, ends in an anchor head of a stressing anchorage (42) bordering on one of the bearing plates (8). By use of the anchorage bodies a prestressed concrete lining can be simplified with respect to the state of the art. In particular, it guarantees speedy advancement in the progress of the construction. The construction time is therefore reduced.
    • 预应力混凝土衬砌具有分布在圆周周围并且沿着压力通道长度的多个加强元件(32)。 存在包围压力通道的圆周的至少一部分的预应力元件(38,39,40,41)。 底部(35)设置在压力隧道内,由多个细长的锚固体(15)串联形成。 每个锚固体(15)具有基本上U形的横截面。 在锚固体的每个臂(2,3)中,朝向隧道内部转动,具有用于穿过每个预应力元件(38,39,40,41)中的至少一个的第一装置(5)。 在第一通过装置(5)的每一个的区域中,在臂的每个相对的内表面上设置有支承板(8)。 在锚固体15的基部臂中预见穿过每个预应力元件(38,39,40,41)中的至少一个的第二装置(10)。每个预应力元件(38,39,40,41) 41)从死端锚(43,44)开始,引导通过其中一个锚固体(15)的第二通过装置(10)中的一个,并且在穿过第一通孔 其中一个锚固体的装置(5),在与承载板(8)中的一个接合的应力锚固件(42)的锚固头中的端部。 通过使用锚固体,相对于现有技术,可以简化预应力混凝土衬砌。 特别是保证了施工进度的快速提升。 施工时间因此减少。