Self-pressurization protecting device and method thereof for keeping expansive soil cut slope stable
A protection device and technology of expansive soil, applied in excavation, sheet pile wall, construction, etc., can solve the problems of unstable expansive soil cutting slope, damage to soil integrity, reduction of strength, etc., achieving low environmental impact and high construction efficiency , The effect of easy construction and operation
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[0032] Example 1
[0033] Such as figure 1 with figure 2 As shown, a self-pressurizing protection device for maintaining the stability of an expansive soil cut slope includes an anchor rod 1, a first circular plate 2, a second circular plate 3, and a high-strength spring 4. The first circular plate 2 and the second circular plate 2 The circular plate 3 is sleeved on the anchor rod 1, a single high-strength spring 4 is provided between the first circular plate 2 and the second circular plate 3, and a nut 5 is provided on the first circular plate 2. The nut 5 is fixedly sleeved on the anchor rod 1. The diameter of the first circular plate 2 is smaller than the diameter of the second circular plate 3. The distance between the first circular plate 2 and the second circular plate 3 is 0.2-0.5 m.
[0034] Such as Figure 5 As shown, the penetration depth of the anchor rod 1 is 1.5-2 times the depth of severe atmospheric influence.
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[0035] Example 2
[0036] Such as image 3 with Figure 4 As shown, a self-pressurizing protection device for maintaining the stability of an expansive soil cut slope includes an anchor rod 1, a first circular plate 2, a second circular plate 3, and a high-strength spring 4. The first circular plate 2 and the second circular plate 2 The circular plate 3 is sleeved on the anchor rod 1, three high-strength springs 4 are provided between the first circular plate 2 and the second circular plate 3, and a nut 5 is provided on the first circular plate 2, and the The nut 5 is fixedly sleeved on the anchor rod 1. The diameter of the first circular plate 2 is smaller than the diameter of the second circular plate 3. The distance between the first circular plate 2 and the second circular plate 3 is 0.2-0.5 m.
[0037] Such as Figure 5 As shown, the penetration depth of the anchor rod 1 is 1.5-2 times the depth of severe atmospheric influence.
[0038] A self-pressurization protection method...
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