Sliding anchor cable mounting structure and construction method: Fid-Bau Portal

Sliding anchor cable mounting structure and construction method

XUE YANGJIE / WANG HAIJUN / YU XIN / NIE YONGCAI

The invention discloses a sliding anchor cable installation structure which comprises an anchor cable support and a grouting pipe assembly matched with the anchor cable support for installation, a plurality of guide balls matched with grouting holes for use are installed in the circumferential direction of the anchor cable support, and a plurality of slurry return holes are formed in the anchor cable support. The anchor cable support is provided with a grouting hole used in cooperation with the grouting pipe assembly, and the anchor cable support is provided with a steel strand positioning hole used for installing a steel strand. According to the anchor cable support of the technical scheme, through the guide balls arranged in the circumferential direction, an anchor cable can be conveniently fed into the pouring hole in a sliding mode, friction force is reduced, the construction burden of workers is relieved, through the arrangement of the steel strand positioning holes, steel strands are effectively positioned, it is guaranteed that a steel strand protection layer is not damaged, and the service life of the steel strands is prolonged. Direct friction between the steel strand and the inner wall of the pouring hole is avoided, and installation of the steel strand is not affected.

本发明公开了一种滑动锚索安装构造，包括锚索支架以及配合锚索支架安装的注浆管组件，所述锚索支架周向方向安装有多个配合灌注孔使用的导向滚珠，所述锚索支架上开设有多个回桨孔，所述锚索支架上设置有配合注浆管组件使用的注浆孔，所述锚索支架上设置有用于安装钢绞线的钢绞线定位孔；本技术方案的锚索支架，通过圆周方向设置的多个导向滚珠，方便锚索在灌注孔内滑动送入，减少摩擦力的产生，减轻人员施工负担，通过钢绞线定位孔的设置，使得钢绞线得到有效定位，保证了钢绞线保护层不被破坏，避免钢绞线与灌注孔内壁产生直接摩擦，影响钢绞线安装。

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