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A platform for research: civil engineering, architecture and urbanism
Variable-diameter prestressed tendon conversion anchoring construction method
The invention discloses a variable-diameter prestressed tendon conversion anchoring construction method, belongs to the technical field of prestressed tendon anchoring, and solves the problem that at present, a small-diameter reserved hole channel is difficult to integrally penetrate through a cable. The method comprises the steps that a traction structure is used for manufacturing a cable, and a whole cable body with the diameter smaller than that of a reserved hole channel is obtained; then the whole bundle of cable bodies are hoisted to penetrate through the reserved hole channels, the whole bundle of cable bodies are temporarily supported, then the whole bundle of cable bodies are lowered, the prestressed tendons are unfolded to be in one-to-one correspondence with the anchor holes of the anchor plate, the anchor plate is installed, and the whole bundle of cable bodies continue to be hoisted; and finally, the anchor plate is lowered to a preformed hole opening, a working clamping piece is installed, and anchoring conversion of the prestressed tendon is completed. According to the conversion anchoring construction method, during anchoring conversion, one-to-one correspondence of the cable body units and the anchor holes can be guaranteed, rapid cable hanging of a small-diameter reserved hole channel can be met, and the construction efficiency is effectively improved.
本发明公开了一种可变径预应力筋转换锚固施工方法，属于预应力筋锚固技术领域，解决目前对于小直径的预留孔道难以整体穿索的问题。该方法是先用牵引结构制索，得到直径小于预留孔道直径的整束索体；然后将整束索体起吊穿过预留孔道，再将整束索体临时支撑，接着下放整束索体，使预应力筋展开至与锚板的锚孔一一对应，安装锚板，继续起吊整束索体；最后下放锚板至预留孔道口，安装工作夹片，完成预应力筋的锚固转换。本发明的转换锚固施工方法，在锚固转换时，可以保证索体单元与锚孔一一对应，能够满足小直径预留孔道的快速挂索，有效提高施工效率。
Variable-diameter prestressed tendon conversion anchoring construction method
The invention discloses a variable-diameter prestressed tendon conversion anchoring construction method, belongs to the technical field of prestressed tendon anchoring, and solves the problem that at present, a small-diameter reserved hole channel is difficult to integrally penetrate through a cable. The method comprises the steps that a traction structure is used for manufacturing a cable, and a whole cable body with the diameter smaller than that of a reserved hole channel is obtained; then the whole bundle of cable bodies are hoisted to penetrate through the reserved hole channels, the whole bundle of cable bodies are temporarily supported, then the whole bundle of cable bodies are lowered, the prestressed tendons are unfolded to be in one-to-one correspondence with the anchor holes of the anchor plate, the anchor plate is installed, and the whole bundle of cable bodies continue to be hoisted; and finally, the anchor plate is lowered to a preformed hole opening, a working clamping piece is installed, and anchoring conversion of the prestressed tendon is completed. According to the conversion anchoring construction method, during anchoring conversion, one-to-one correspondence of the cable body units and the anchor holes can be guaranteed, rapid cable hanging of a small-diameter reserved hole channel can be met, and the construction efficiency is effectively improved.
本发明公开了一种可变径预应力筋转换锚固施工方法，属于预应力筋锚固技术领域，解决目前对于小直径的预留孔道难以整体穿索的问题。该方法是先用牵引结构制索，得到直径小于预留孔道直径的整束索体；然后将整束索体起吊穿过预留孔道，再将整束索体临时支撑，接着下放整束索体，使预应力筋展开至与锚板的锚孔一一对应，安装锚板，继续起吊整束索体；最后下放锚板至预留孔道口，安装工作夹片，完成预应力筋的锚固转换。本发明的转换锚固施工方法，在锚固转换时，可以保证索体单元与锚孔一一对应，能够满足小直径预留孔道的快速挂索，有效提高施工效率。
Variable-diameter prestressed tendon conversion anchoring construction method
一种可变径预应力筋转换锚固施工方法
LIU JIN (author) / WEN CHAOCHEN (author) / DENG QIANG (author) / JIANG YEDONG (author) / WEI JIE (author) / LI HUAPING (author) / YAN YUNYOU (author) / ZENG HANGYU (author) / MO LIMU (author) / LIANG LIXIA (author)
2024-01-09
Patent
Electronic Resource
Chinese
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