Assembly type steel dado for steel truss-reinforced manually excavated slide-resistant pile: Fid-Bau Portal

Assembly type steel dado for steel truss-reinforced manually excavated slide-resistant pile

GAO YONGTAO / XU QIANG / ZHAO QIHUA / ZHAO JIANJUN / ZHAO HUA / ZHAO XIAO

The invention provides an assembly type steel dado for a steel truss-reinforced manually excavated slide-resistant pile. The assembly type steel dado comprises a plurality of dado installation jointswhich are connected in sequence, each dado installation joint is in a frame shape and comprises steel plates around the dado installation joint, and steel trusses are fixed to the inner sides of the steel plates. A pile body is arranged in the dado installation joints. The safety of the manual excavation process of the manually excavated slide-resistant pile is improved. The overall bearing capacity of the manually excavated slide-resistant pile is improved, and compared with a common slide-resistant pile with the same bearing capacity, the steel truss-reinforced manually excavated slide-resistant pile has lower engineering quantity and is more economic. The mechanical property of the pile is good, a steel-concrete composite structure is formed after the pile is formed, cracking of concrete is limited due to profile steel and the steel plates, and the durability of the pile body is improved.

本发明提供带钢桁架加强的人工挖孔抗滑桩装配式钢护壁，包括多个依次连接的护壁安装节，每个护壁安装节均为框形，包括围绕在四周的钢板，钢板内侧固定有钢桁架；护壁安装节内为桩身。本发明增强了人工挖孔抗滑桩人工成孔过程的安全性。提高了抗滑桩整体承载力，相较于同等承载力的普通抗滑桩工程量更小更经济。桩的力学性能好，成桩后形成钢‑混凝土组合结构，型钢和钢板的存在限制了混凝土的开裂，提高了桩身的耐久性。

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