Rock tunnel driving method

A tunnel excavation and rock technology, which is applied in the field of rock tunnel excavation devices, can solve the problems of endangering the safety of construction personnel and equipment, rising material costs such as manpower, and uneven tunnel walls, so as to reduce cleaning work and reduce the cost of crushed stones. The effect of production volume and workload reduction

Inactive Publication Date: 2018-01-23
唐伟
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Problems solved by technology

Because this method uses explosives to remove slag after blasting, the tunnel walls formed by blasting are uneven, requiring a lot of manual repairs, and the blasting will inevitably cause damage to the mountain and rock structures, resulting in poor stability of the mountain. During the process, there will be dead bodies caused by the delayed explosion of the detonator, and in the case of poor mountain structures, landslides are likely to occur, which endangers the safety of construction personnel and equipment, and the cost of manpower and other materials invested in tunnel construction to ensure safety continues to increase.

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Embodiment Construction

[0039] In order to illustrate the present invention more clearly, the present invention will be further described below in conjunction with preferred embodiments and accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. Those skilled in the art should understand that the content specifically described below is illustrative rather than restrictive, and should not limit the protection scope of the present invention.

[0040] like figure 1 As shown, the gantry tunneling device used for rock tunneling in the present invention includes a gantry frame 100 , a lifting part 200 and a driving part 300 .

[0041] Among them, such as figure 2 As shown, the gantry frame 100 includes a top mounting frame mechanism, a bottom mounting frame mechanism, a middle support mechanism, a walking mechanism and a guide rail group, and the top mounting frame mechanism includes a first top support member 101, a second top support member 102, The third top s...

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Abstract

The invention discloses a rock tunnel driving method. The rock tunnel driving method comprises the steps that (1) geological exploration is conducted on a to-be-driven tunnel section, and a geologicalexploration report is formed; (2) tunnel construction design is conducted according to a rock tunnel engineering section in the geological exploration report obtained in the step (1), and a tunnel construction design report is formed; (3) according to the tunnel construction design report obtained in the step (2), a rock tunnel driving device is used for tunnel excavation on a to-be-constructed rock mass; (4) anchor rod spraying-protection support construction is conducted on a tunnel excavated through the step (3); and (5) later construction treatment is conducted on the tunnel subjected tospraying-protection support through the step (4). Drilling explosion is not used so as to ensure construction safety, therefore, structural damage to a mountain or a whole stratum (rock mass) in the construction process can be reduced, the stability of the mountain or the stratum is ensured, the construction efficiency can be further improved, and the construction progress is accelerated.

Description

technical field [0001] The invention relates to the field of tunnel excavation, in particular to a rock tunnel excavation device. Background technique [0002] The traditional tunnel excavation construction mostly adopts the blasting method and the shield method. Existing shield tunneling machines are only suitable for tunnel construction with loose pebbles and mudstones. For rocky tunnel construction, the construction progress of shield tunnel boring machines is slow, the cost is extremely high, and the shield machine is bulky. Difficult to transport, not suitable for complex terrain. The existing rock tunnel construction mostly adopts the mining method, and the mining method mostly needs to be excavated by drilling and blasting, so it is also called the drilling and blasting method. Because this method uses explosives to remove slag after blasting, the tunnel walls formed by blasting are uneven, requiring a lot of manual repairs, and the blasting will inevitably cause da...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D9/10
Inventor 唐伟
Owner 唐伟
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