Wedge body clamping and fixing type anti-floating anchor rod: Fid-Bau Portal

Wedge body clamping and fixing type anti-floating anchor rod

HONG ZENGYOU / XU TIANCUN / HU WEI

The invention relates to the technical field of anti-floating anchor rods, and discloses a wedge clamping type anti-floating anchor rod which comprises the ground, a reamed hole is formed in the surface of the ground, a reamed hole bottom cavity is formed in the bottom of the reamed hole, the anti-floating anchor rod is arranged in the reamed hole, and an anti-floating anchor rod wedge head is fixedly installed at the bottom of the anti-floating anchor rod. The anti-floating anchor rod wedge head is located in the reaming bottom cavity, and two symmetrical anti-floating anchor rod wedge bodies are arranged in the reaming bottom cavity and located above the anti-floating anchor rod wedge head; the anti-floating anchor rod wedge head is additionally arranged and improved, the anti-floating anchor rod wedge head and the two anti-floating anchor rod wedge bodies form an anchor rod expanding head, and after the anchor rod is expanded, the two anti-floating anchor rod wedge bodies slide down and serve as a whole with the bottom anti-floating anchor rod wedge head to act together with surrounding rock and soil bodies to achieve the structural anti-floating effect. The method is suitable for moderately weathered sedimentary rocks, plastic soil and hard plastic soil, and has a good anti-pulling effect.

本发明涉抗浮锚杆技术领域，且公开了一种楔体卡固式抗浮锚杆，包括地面，所述地面的表面开设有扩孔，所述扩孔的底部开设有扩孔底腔，所述扩孔内部设置有抗浮锚杆，所述抗浮锚杆的底部固定安装有抗浮锚杆楔头，所述抗浮锚杆楔头位于扩孔底腔的内部，所述扩孔底腔的内部且位于抗浮锚杆楔头的上方设置有两个对称的抗浮锚杆楔体；通过对抗浮锚杆楔头的增设和改进，依靠抗浮锚杆楔头和两块抗浮锚杆楔体组成锚杆扩大头，在锚杆扩孔后通过两块抗浮锚杆楔体滑落与底部抗浮锚杆楔头作为一个整体与周边岩土体共同作用起到结构抗浮效果，适用于中风化沉积岩、可塑土、硬塑土，具有良好的抗拔效果。

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