Safety retaining wall suitable for strip mine road and strip mine road
By designing an open-pit mine curbside retaining wall composed of a multi-layer structure, the existing retaining wall is easily deformed and dropped during impact, achieving higher stability and impact resistance, ensuring safety and improvement Productivity.
Patent Information
- Application Number
- CN202421170875.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The retaining walls on the roadside of the existing open-pit mine are prone to deform and fall when impacted, resulting in vehicle damage and personnel injury. The strength after maintenance is insufficient, which can easily cause tire thorns and equipment damage.
A safety retaining wall suitable for open-pit mine roads is designed, including a gradually reduced cross-sectional area from bottom to top, with a structure consisting of a rough layer of blasted waste rock, a fine layer of waste rock gravel and a Quaternary system or Carbonite slate surface layer is composed of which improves the stability and impact resistance of the retaining wall through the combination of these layers.
It effectively improves the impact resistance of the retaining wall, reduces damage to vehicles and equipment, ensures the safety of drivers and personnel, and improves the operating efficiency and production efficiency of mine trucks.
Smart Images
Figure CN222525399U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of roadside retaining wall safety protection for open-pit mining roads, in particular to a structure suitable for roadside safety retaining walls in open-pit mines. Background Art
[0002] Our company's original roadside all used a single waste rock structure to construct a gravity retaining wall: this type of retaining wall mainly relies on the deadweight of the wall to resist the lateral thrust (earth pressure) of the soil behind the wall, thereby maintaining the stability of the soil. It is mostly constructed with waste stones from the mine. After the structure is completed, when the driver accidentally hits the retaining wall while driving, the retaining wall of the structure is easily deformed and falls off, which can easily cause the vehicle to fall. The repaired retaining wall does not have sufficient strength, and it is easy to cause large rocks to be exposed. At the same time, it is also easy to cause tires to be punctured and exploded, which can easily cause secondary injuries to personnel and serious damage to the tires of large mining trucks. Therefore, we must make improvements to the above problems to ensure the safety of mining trucks and drivers, and at the same time improve production efficiency in the actual production process. Utility Model Content
[0003] The utility model aims to provide a safety retaining wall and an open-pit mine road suitable for open-pit mine roads, so as to solve the problems existing in the above-mentioned prior art, and has a simple structure, is safe and firm, and effectively ensures the safety of personnel and equipment.
[0004] To achieve the above purpose, the utility model provides the following solutions:
[0005] The utility model provides a safety retaining wall suitable for an open-pit mine road, comprising: a retaining wall body, the retaining wall body is arranged along the entire length of one side of a roadbed close to a cliff, the cross-sectional area of the retaining wall body gradually decreases from bottom to top, the retaining wall body comprises a blasted waste rock coarse aggregate layer, a waste rock crushed stone fine aggregate layer and a Quaternary system or carbonaceous slate surface layer, the blasted waste rock coarse aggregate layer is arranged on the roadbed, the waste rock crushed stone fine aggregate layer fills and wraps the blasted waste rock coarse aggregate layer, and the Quaternary system or carbonaceous slate surface layer is arranged on the outer side of the waste rock crushed stone fine aggregate layer.
[0006] Preferably, the blasting waste rock coarse aggregate layer is formed by piling up waste rock materials directly after blasting in the mining area.
[0007] Preferably, the waste rock crushed stone fine aggregate layer is formed by filling and wrapping the blasting waste rock coarse aggregate layer with directly discarded waste materials from the concentrator.
[0008] Preferably, the particle size of the waste materials directly discarded from the concentrator is 10 mm to 150 mm.
[0009] Preferably, the Quaternary or carbonaceous slate surface layer is constructed on the outer side of the waste rock crushed stone fine aggregate layer using Quaternary and carbonaceous slate materials from the mining site.
[0010] The utility model also provides an open-pit mine road, comprising: an original roadbed, a safety retaining wall and a slope suitable for the open-pit mine road as described in Example 1, wherein the safety retaining wall suitable for the open-pit mine road is arranged on a side of the original roadbed close to the cliff; and the slope is located on a side of the original roadbed away from the safety retaining wall suitable for the open-pit mine road.
[0011] Preferably, the original road base layer is a large-scale ore transport truck pressure-bearing pavement structure.
[0012] Preferably, the thickness of the original road base layer is 1000 mm to 2000 mm.
[0013] Preferably, the side slope is a side wall surface of a large open-pit mine, and the side wall surface is a stability section.
[0014] Compared with the prior art, the utility model has achieved the following technical effects:
[0015] The utility model provides a safety retaining wall and open-pit mine road suitable for open-pit mine roads. By arranging a coarse aggregate layer of blasted waste rock, the coarse aggregate particles are large, stable, and not easily deformed by impact. The waste rock crushed stone fine aggregate layer fills the blasted waste rock coarse aggregate layer to further improve the stability, effectively improve the ability of not deforming by impact, and wrap the blasted waste rock coarse aggregate layer. The waste rock crushed stone fine aggregate layer has good elasticity under impact and is used to protect tires. In addition, by arranging a quaternary system or carbonaceous slate surface layer on the outermost side, it has good impact protection and is used to protect tires and equipment, thereby improving the operating efficiency of large-scale ore transport vehicles, ensuring the safety of large-scale ore transport vehicles on the road and the safe operation of drivers, reducing the occurrence of accidents caused by driver paralysis impacting the retaining wall, resulting in vehicle damage and death, and the occurrence of tire punctures caused by driver carelessness, improving the operating efficiency of ore transport vehicles, reducing the labor intensity of drivers, and reducing fatigue work. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 A schematic diagram of the structure of a safety retaining wall suitable for an open-pit mine road provided by the utility model;
[0018] Figure 2A schematic diagram of the structure of an open-pit mine road provided by the utility model;
[0019] In the figure: 1. Safety retaining wall; 2. Coarse aggregate layer of blasted waste rock; 3. Fine aggregate layer of waste rock crushed stone; 4. Quaternary or carbonaceous slate surface layer; 5. Original road base layer; 6. Slope. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] The utility model aims to provide a safety retaining wall and an open-pit mine road suitable for open-pit mine roads, so as to solve the problems existing in the above-mentioned prior art, and has a simple structure, is safe and firm, and effectively ensures the safety of personnel and equipment.
[0022] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0023] Embodiment 1
[0024] The utility model provides a safety retaining wall suitable for open-pit mine roads, such as Figure 1 As shown, it includes: a retaining wall body, which is arranged along the side of the roadbed close to the cliff, and the cross-sectional area of the retaining wall body gradually decreases from bottom to top. The retaining wall body includes a blasting waste rock coarse aggregate layer 2, a waste rock crushed stone fine aggregate layer 3 and a Quaternary system or carbonaceous slate surface layer 4. The blasting waste rock coarse aggregate layer 2 is arranged on the roadbed, and the waste rock crushed stone fine aggregate layer 3 fills and wraps the blasting waste rock coarse aggregate layer 2. The Quaternary system or carbonaceous slate surface layer 4 is arranged on the outside of the waste rock crushed stone fine aggregate layer 3. By setting the blasting waste rock coarse aggregate layer 2, the coarse aggregate particles are large and stable, and are not easily deformed by impact. The waste rock crushed stone fine aggregate layer 3 fills the blasting waste rock coarse aggregate layer 2. The stability is improved step by step, the ability of not being deformed by impact is effectively improved, and the blasting waste rock coarse aggregate layer 2 and the waste rock crushed stone fine aggregate layer 3 are wrapped, which have good impact elasticity and are used to protect the tires. In addition, by arranging the quaternary system or carbonaceous slate coating layer 4 on the outermost side, the impact protection is better, which is used to protect the tires and equipment, thereby improving the operating efficiency of large-scale ore transport vehicles, ensuring the safety of large-scale ore transport vehicles on the road and the safe operation of drivers, reducing the occurrence of accidents caused by the driver's paralysis impacting the retaining wall, resulting in vehicle damage and death, and the occurrence of tire punctures caused by the driver's carelessness, improving the operating efficiency of the ore transport vehicle, reducing the driver's labor intensity, and reducing fatigue work.
[0025] In a preferred scheme of the present embodiment, the blasted waste rock coarse aggregate layer 2 is formed by piling up waste rock materials directly after blasting in the mine. The waste rock materials directly after blasting in the mine have the characteristics of large size and good stability, and are most suitable for constructing the foundation of the retaining wall and are not easily deformed by impact.
[0026] In a preferred scheme of the present embodiment, the waste rock and gravel fine aggregate layer 3 is formed by filling and wrapping the blasting waste rock coarse aggregate layer 2 with the direct discarded waste materials from the concentrator. The material particle size of the direct discarded waste materials from the concentrator is 10mm~150mm. The material particle size is distributed in (10-150mm), has the characteristics of uniform particle size and good filling property, is most suitable for constructing a stabilizing layer of a retaining wall, has good impact elasticity, and is used to protect tires.
[0027] In a preferred scheme of the present embodiment, the Quaternary or carbonaceous slate surface layer 4 is constructed using the Quaternary and carbonaceous slate materials from the mine on the outside of the waste rock and gravel fine aggregate layer 3. The material has the characteristics of small particle size, good water content and good plasticity. It is most suitable for constructing the surface layer of the retaining wall. It has good impact protection and is used to protect tires and equipment. It is easy to push and build with a bulldozer or loader, and then quickly level it with an excavator, so as to ensure the maintenance quality of the retaining wall.
[0028] Embodiment 2
[0029] This embodiment also provides an open-pit mine road, such as Figure 2 As shown, it includes: an original roadbed 5, a safety retaining wall and a slope 6 suitable for open-pit mine roads as in Example 1, wherein the safety retaining wall suitable for open-pit mine roads is arranged on the side of the original roadbed 5 close to the cliff; the slope 6 is located on the side of the original roadbed 5 away from the safety retaining wall suitable for open-pit mine roads.
[0030] In a preferred solution of this embodiment, the original road base layer 5 is a large-scale ore transport vehicle pressure-bearing pavement structure.
[0031] In a preferred solution of this embodiment, the thickness of the original road base layer 5 is 1000 mm to 2000 mm.
[0032] In a preferred solution of this embodiment, the slope 6 is a side wall surface of a large open-pit mine, and the side wall surface is a stable section.
[0033] The use of the roadside safety retaining wall and open-pit mine road provided by this application can save time, save energy, improve equipment efficiency, reduce the impact on other equipment, and reduce production costs; on the other hand, it can fully and reasonably improve the road driving safety and stability of large-scale ore transport vehicles, effectively allowing each driver to quickly increase the pulling capacity, reduce tire punctures, and minimize vehicle scraping, crushing, falling and other accidents during operation. The safety cost will be greatly reduced, and the pulling efficiency of the ore transport vehicle will be maximized, labor costs and equipment consumption will be reduced, and vehicle coordination will be optimized. The equipment waste caused by road safety protection of ore transport vehicles is reduced, which provides reference value for road safety protection of open-pit mines at home and abroad. Increased production: 1,487 vehicles were used to retain the wall last year, saving a total of 823,500 yuan in fuel costs. At the same time, it can also extend the service life of tires and save 100,000 yuan in tire costs. Through this protection, the driver's fine, careful and precise operation level can be quickly improved, and the high-quality and efficient production of Barun Mining can be better contributed to.
[0034] This method focuses on practicality, and the principle is simple and easy to understand. It is particularly effective in reducing costs and increasing efficiency for enterprises, and has strong applicability. The average monthly haulage output of large-scale ore transporters has increased from 502,000 tons of ore to 549,000 tons of ore. It solves the problem of low efficiency, improves production capacity, and provides a standard for retaining wall protection and maintenance, providing a reference for open-pit mine retaining wall protection at home and abroad.
[0035] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.
Claims
1. A safety retaining wall suitable for open-pit mine roads, characterized by: include: A retaining wall body, wherein the retaining wall body is arranged along the entire length of one side of the roadbed close to the cliff, the cross-sectional area of the retaining wall body gradually decreases from bottom to top, the retaining wall body comprises a blasted waste rock coarse aggregate layer, a waste rock crushed stone fine aggregate layer and a Quaternary system or carbonaceous slate surface layer, the blasted waste rock coarse aggregate layer is arranged on the roadbed, the waste rock crushed stone fine aggregate layer fills and wraps the blasted waste rock coarse aggregate layer, and the Quaternary system or carbonaceous slate surface layer is arranged on the outside of the waste rock crushed stone fine aggregate layer.
2. The safety retaining wall suitable for open-pit mine road according to claim 1, characterized in that: The blasting waste rock coarse aggregate layer is formed by piling up waste rock materials directly blasted in the mining area.
3. The safety retaining wall suitable for open-pit mine road according to claim 2 is characterized in that: The waste rock crushed stone fine aggregate layer is formed by filling the direct discarded waste materials of the concentrator and wrapping the blasting waste rock coarse aggregate layer.
4. The safety retaining wall suitable for open-pit mine road according to claim 3 is characterized by: The particle size of the waste materials directly discarded from the selection plant is 10 mm to 150 mm.
5. The safety retaining wall suitable for open-pit mine road according to claim 4, characterized in that: The Quaternary or carbonaceous slate surface layer is constructed on the outer side of the waste rock and gravel fine aggregate layer using the Quaternary and carbonaceous slate materials in the mining area.
6. An open-pit mine road, characterized in that: include: Original road base; The safety retaining wall for open-pit mine roads according to any one of claims 1 to 5, wherein the safety retaining wall for open-pit mine roads is arranged on a side of the original roadbed close to the cliff; The side slope is located on a side of the original roadbed away from the safety retaining wall suitable for the open-pit mine road.
7. The open-pit mine road according to claim 6, characterized in that: The original road base is a large-scale mining truck pressure-bearing road surface structure.
8. The open-pit mine road according to claim 7, characterized in that: The thickness of the original road base layer is 1000 mm to 2000 mm.
9. The open-pit mine road according to claim 8, characterized in that: The side slope is a side wall surface of a large open-pit mine, and the side wall surface is a stability section.