Construction method of high-altitude vertical manned passage in high-mountain rock area
A construction method, alpine rock technology, applied in the direction of bridge parts, erection/assembly bridges, bridges, etc., can solve the problems that cannot be popularized and applied, the height of erection is limited, and the risk factor is high, so as to achieve the effect of energy saving and environmental protection, shorten the construction period, reduce mechanical effect
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[0033] Example 1
[0034] A construction method for high-altitude vertical manned passage in high mountain rock area, including:
[0035] S1. Set the front fulcrum 1 close to the cliff and the rear fulcrum 2 far away from the cliff. The front fulcrum 1 and the rear fulcrum 2 are formed by pouring concrete; excavate the foundations of the front fulcrum 1 and the rear fulcrum 2; the front fulcrum 1 The excavation slope ratio to the rear support point 2 is both 1:1, and the bottom of the corresponding support point is excavated to fall on the complete rock surface; the composite steel formwork is used to pour the concrete, and after curing to the design strength, the front support point 1 and the back Pivot 2
[0036] S2. A rear anchor embedded part is provided on the rear fulcrum 2; the spliced double beret beams 3 are used as the main body, and the Beret beams are assembled in the direction from the front fulcrum 1 to the rear fulcrum 2, here from the front fulcrum 1 to the rear fu...
Example Embodiment
[0040] Example 2
[0041] A construction method for high-altitude vertical manned passage in high mountain rock area, including:
[0042] S1. Set the front fulcrum 1 close to the cliff and the rear fulcrum 2 far away from the cliff. The front fulcrum 1 and the rear fulcrum 2 are formed by pouring concrete; excavate the foundations of the front fulcrum 1 and the rear fulcrum 2; the front fulcrum 1 The excavation slope ratio to the rear support point 2 is both 1:1, and the bottom of the corresponding support point is excavated to fall on the complete rock surface; the composite steel formwork is used to pour the concrete, and after curing to the design strength, the front support point 1 and the back Pivot 2
[0043] S2. A rear anchor embedded part is provided on the rear fulcrum 2; the spliced double beret beams 3 are used as the main body, and the Beret beams are assembled in the direction from the front fulcrum 1 to the rear fulcrum 2, here from the front fulcrum 1 to the rear fu...
Example Embodiment
[0051] Example 3
[0052] A construction method for high-altitude vertical manned passage in high mountain rock area, including:
[0053] S1. Set the front fulcrum 1 close to the cliff and the rear fulcrum 2 far away from the cliff. The front fulcrum 1 and the rear fulcrum 2 are formed by pouring concrete; excavate the foundations of the front fulcrum 1 and the rear fulcrum 2; the front fulcrum 1 The excavation slope ratio to the rear support point 2 is both 1:1, and the bottom of the corresponding support point is excavated to fall on the complete rock surface; the composite steel formwork is used to pour the concrete, and after curing to the design strength, the front support point 1 and the back Pivot 2
[0054] S2. A rear anchor embedded part is provided on the rear fulcrum 2; the spliced double beret beams 3 are used as the main body, and the Beret beams are assembled in the direction from the front fulcrum 1 to the rear fulcrum 2, here from the front fulcrum 1 to the rear fu...
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