A construction method of a dolomite end slope segment support construction technology system

Abstract

The present invention discloses a construction method of a dolomite end slope and segment support construction technology system, including: prefabrication of prefabricated steel mesh, and then hoisting to the slope. After the prefabricated steel mesh is prefabricated, it is hoisted and laid on the dolomite geological slope by hoisting technology, eliminating the traditional technology of setting up scaffolding on the slope for workers to stand and construct, and solving the problem of workers standing on the scaffolding to construct the steel mesh, which poses a great safety hazard to the working environment.

Description

Technical Field

[0001] The invention relates to a construction method of a dolomite end slope segment support construction technology system, belonging to the technical field of slope construction. Background Art

[0002] Dolomite is brittle and hard. In order to avoid stone rolling on the dolomite geological slope, the dolomite slope needs to be supported.

[0003] The existing slope support technology (see Chinese patent publication number CN111926829A) requires setting up scaffolding on the slope, and then workers stand on the scaffolding and use the scaffolding as a construction platform to construct the steel mesh. Since dolomite geological slopes are prone to stone rolling, there are great safety hazards in the construction environment. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a construction method of a dolomite end slope and segment support construction technology system.

[0005] The present invention is achieved through the following technical solutions.

[0006] The present invention provides a construction method of a dolomite end slope segment support construction technology system, comprising:

[0007] The construction process of prefabricated steel mesh is prefabricated and then hoisted onto the slope.

[0008] The construction process includes the following steps:

[0009] Step 1: Prefabricate the prefabricated steel mesh on a horizontal ground platform.

[0010] Step 2: The prefabricated steel mesh is hoisted to the dolomite slope by a crane and fixed in position.

[0011] The prefabricated steel mesh is fixed on the slope by a hook, and the hook is fixed with a counterweight box by a telescopic rod. The counterweight box has a concave space for placing sand and soil, and the counterweight box is on the top of the slope; the counterweight box is on the top of the slope, and the telescopic rod is suspended at the top of the slope, and the telescopic rod hooks the hook on the transverse reinforcement of the prefabricated steel mesh.

[0012] The telescopic rod is a threaded telescopic rod.

[0013] The hook is fixedly screwed on the telescopic rod through a nut.

[0014] The construction process also includes step three: drilling holes in the slope using a crawler anchor drilling rig.

[0015] The construction process also includes step 4: the operator stands on the aerial work vehicle and sprays concrete onto the slope with prefabricated steel mesh, the concrete covers the prefabricated steel mesh and anchor rods on the slope, and forms a support layer structure after the prefabricated steel mesh is cured.

[0016] The beneficial effect of the present invention is that after the prefabricated steel mesh is prefabricated, it is hoisted and laid on the dolomite geological slope through hoisting technology, eliminating the traditional technology of setting up scaffolding on the slope for workers to stand and construct, and solving the problem of workers standing on the scaffolding to construct the steel mesh, which poses a great safety hazard to the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the prefabricated steel mesh of the present invention being prefabricated on a horizontal ground platform;

[0018] Figure 2 It is a schematic diagram of the prefabricated steel mesh of the present invention being hoisted to a slope;

[0019] Figure 3 It is a schematic diagram of the aerial work vehicle of the present invention being distributed on a slope;

[0020] In the figure: 1-horizontal ground platform; 2-prefabricated steel mesh; 3-crane; 4-slope; 5-climbing vehicle; 6-hook; 61-nut; 62-telescopic rod; 63-counterweight box. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the description.

[0022] like Figures 1 to 3 shown.

[0023] The present application discloses a construction method of a dolomite end slope segment support construction technology system, comprising:

[0024] Step 1: prefabricate a prefabricated steel mesh 2 on a horizontal ground platform 1.

[0025] Step 2: The prefabricated steel mesh 2 is hoisted onto the dolomite geology slope 4 by a crane 3 and fixed in position.

[0026] Step 3: Use a crawler anchor drilling rig to drill holes in the slope 4. The drilling technology uses a crawler anchor drilling rig to perform drilling operations, replacing the traditional manual drilling method, thereby improving the drilling efficiency and accuracy.

[0027] Step 4: The operator stands on the aerial work vehicle 5 and sprays concrete onto the slope 4 with the prefabricated steel mesh 2. The concrete covers the prefabricated steel mesh 2 and the anchor rods on the slope 4. After the prefabricated steel mesh 2 is cured, a support layer structure is formed to prevent stone rolling from occurring on the dolomite geological slope 4.

[0028] The aerial work vehicle shotcrete technology uses an aerial work vehicle to carry out concrete spraying operations, replacing the traditional manual spraying method and improving the spraying efficiency and quality.

[0029] The prefabricated steel mesh 2 is fixed on the slope 4 by a hook 6; the hook 6 is fixed and screwed on the telescopic rod 62 by a nut 61. The telescopic rod 62 is a threaded telescopic rod. A counterweight box 63 is fixed on the telescopic rod 62. The counterweight box 63 has a concave space for placing sand and soil. The counterweight box 63 is on the top of the slope 4. The telescopic rod 62 is suspended on the top of the slope 4. The telescopic rod 62 hooks the hook 6 on the transverse reinforcement of the prefabricated steel mesh 2. When the counterweight box 63 is not placed with sand and soil, the wooden counterweight box 63 moves with the hook 6; when the counterweight box 63 is placed with sand and soil, the counterweight box 63 is pressed on the top of the slope 4 and does not move, thereby fixing the prefabricated steel mesh 2.

[0030] By prefabricating a prefabricated steel mesh 2 on a horizontal ground platform 1 and then hoisting it to lay on a dolomite slope 4 through hoisting technology, the traditional technology of setting up a scaffold on the slope for workers to stand and construct is eliminated, and the problem of workers standing on the scaffold to construct the steel mesh, which poses a great safety hazard to the working environment, is solved.

Claims

1. A construction method of a dolomite end slope segment support construction technology system, characterized in that: include: The prefabricated steel mesh (2) is prefabricated and then hoisted onto the slope (4).

2. The construction method of the dolomite end slope segment support construction technology system according to claim 1 is characterized in that: The construction process includes the following steps: Step 1: prefabricate a prefabricated steel mesh (2) on a horizontal ground platform (1); Step 2: The prefabricated steel mesh (2) is hoisted onto the dolomite geology slope (4) by a crane (3) and fixed in position.

3. The construction method of the dolomite end slope segment support construction technology system as claimed in claim 2 is characterized by: The prefabricated steel mesh (2) is fixed on the slope (4) by means of a hook (6); the hook (6) is fixed with a counterweight box (63) by means of a telescopic rod (62); the counterweight box (63) has a concave space for placing sand and soil; the counterweight box (63) is located on the top of the slope (4); the counterweight box (63) is located on the top of the slope (4); the telescopic rod (62) is suspended in the air on the top of the slope (4); the telescopic rod (62) hooks the hook (6) on the transverse reinforcement of the prefabricated steel mesh (2).

4. The construction method of the dolomite end slope segment support construction technology system as claimed in claim 3 is characterized by: The telescopic rod (62) is a threaded telescopic rod.

5. The construction method of the dolomite end slope segment support construction technology system as claimed in claim 1 is characterized by: The hook (6) is fixedly screwed onto the telescopic rod (62) via a nut (61).

6. The construction method of the dolomite end slope segment support construction technology system as claimed in claim 2 is characterized in that: The construction process also includes step three: drilling holes in the slope (4) using a crawler anchor drilling rig.

7. The construction method of the dolomite end slope segment support construction technology system as claimed in claim 6 is characterized in that: The construction process also includes step 4: the operator stands on the aerial work vehicle (5) and sprays concrete onto the slope (4) with the prefabricated steel mesh (2), so that the concrete covers the prefabricated steel mesh (2) and the anchor rods on the slope (4), and forms a support layer structure after the prefabricated steel mesh (2) is solidified.

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