Reinforcement structure of anti-slide pile of landslide in highly seismic area and construction method
A technology for strengthening structures and construction methods, which is applied in basic structure engineering, excavation, construction, etc., can solve the problems of easy damage to anti-slide piles, high project investment, high investment in anti-slide pile reinforcement projects, and achieve environmental protection promotion and project saving The effect of investment and construction safety
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Embodiment 1
[0033] like Figure 1-2 As shown, a landslide anti-slide pile reinforcement structure in a high-intensity earthquake area according to the present invention includes an anti-slide pile 1 arranged on the landslide body and an anchor 2 located on the upper side of the landslide, and the anchor 2 is an anchor rod and / or anchor lines.
[0034] The anti-slide pile 1 is provided with a widening structure 11 on the upper side of the landslide at the sliding surface 3, one side of the widening structure 11 is located above the sliding surface 3, and the other side is located below the sliding surface 3, so The height of the widening structure 11 on the side above the sliding surface 3 is greater than or equal to 3m, and the height of the widening structure 11 on the side below the sliding surface 3 is greater than or equal to 5m.
[0035] The widening structure 11 is a variable cross-section structure, the upper and lower ends of the widening structure 11 in the height direction are p
Embodiment 2
[0038] like Figure 1-2 As shown, a kind of construction method of the landslide anti-sliding pile reinforcement structure in the high-intensity earthquake area described in embodiment 1 of the present invention comprises the following steps:
[0039] ① The anti-slide pile 1 is positioned on the plane, the pile well of the anti-slide pile 1 is excavated in sections, and the lock mouth and retaining wall structure of the anti-slide pile 1 are arranged in sections until the bottom elevation of the widening structure 11;
[0040] ② The anchor 2 is drilled sideways above the landslide facing the widening structure 11, and the anchor 2 is tensioned and locked on the wall of the pile well with a steel plate, and one end of the anchor 2 is exposed by 0.5m-1m ;
[0041] ③ Binding steel bars within the scope of the widening structure 11 and fixing the stiffeners 12, the steel bars of the widening structure 11, the stiffening ribs 12 and the exposed ends of the anchors 2 are fixedly conne
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