CN216081193U - Protective structure for tunnel type waste explosive destruction field - Google Patents
Protective structure for tunnel type waste explosive destruction field Download PDFInfo
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- CN216081193U CN216081193U CN202122528998.0U CN202122528998U CN216081193U CN 216081193 U CN216081193 U CN 216081193U CN 202122528998 U CN202122528998 U CN 202122528998U CN 216081193 U CN216081193 U CN 216081193U
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- Prior art keywords
- roadway
- pit
- destruction
- anchor rods
- type waste
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- 230000006378 damage Effects 0.000 title claims abstract description 35
- 239000002360 explosive Substances 0.000 title claims abstract description 26
- 230000001681 protective effect Effects 0.000 title claims abstract description 19
- 239000002699 waste material Substances 0.000 title claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 230000035939 shock Effects 0.000 claims abstract description 19
- 238000013016 damping Methods 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 5
- 239000004575 stone Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 5
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 5
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 5
- 238000004880 explosion Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 235000011837 pasties Nutrition 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model relates to the technical field of unexplosive explosive destruction, in particular to a protective structure of a roadway type waste explosive destruction field, which comprises the following components: the protection wall is arranged at the end, facing the roadway opening, of the destruction pit; a damping pit is arranged between the destroying pit and the protective wall; wherein, the protective wall includes: the anchor rods are embedded into the side wall and the top plate of the roadway; two horizontally arranged cross bars connected to the anchor rods at the side walls. The protection wall is arranged on the outer side of the destruction pit and comprises anchor rods embedded into a roadway structure, cross rods, vertical rods, reinforcing mesh and a concrete layer, wherein the cross rods, the vertical rods, the reinforcing mesh and the concrete layer are welded on the anchor rods, the anchor rods and the reinforcing structure can form firm attachment bodies in the roadway, and after the concrete layer is poured on the reinforcing structure, a sealed wall body is formed and has high destruction connectivity, so that the leakage of shock waves in the destruction pit, particularly the leakage of gas shock waves, can be effectively prevented, and the stability of the air pressure in the roadway is protected.
Description
Technical Field
The utility model relates to the technical field of unexplosive explosive destruction, in particular to a roadway type protection structure for a waste explosive destruction field.
Background
In the development, transformation and extension processes of urban and rural infrastructure in recent years, waste ammunition which is left in war ages is often dug out, and the grenades mainly comprise hand grenades, aviation bombs, mortar bombs, grenades and the like. These used ammunition generally have the characteristics of long time, serious rust, local damage, complex variety, difficult identification, unstable performance, increased sensitivity, weakened or invalid insurance and the like. Because the TNT explosive or the mixed explosive mainly comprising the TNT explosive has stable property and long effective storage life, the TNT explosive still has explosion danger even if being stored for decades.
In China, the explosion method is the best method for disposing various waste explosives and powders, particularly waste shells and aeronautical bombs. The ammunition is treated by an explosion method, and then the explosive in the ammunition body is thoroughly destroyed. Under the condition of standard operation, the subsequent operation danger to workers is small. Because the waste cannonball is frequently dug out at some construction sites, for safe and effective treatment, the mine tunnel surrounding rock is stable, and the region with little influence on mine production is provided with an independent air inlet and return system, so that the toxic and harmful gas can be timely discharged after the waste cannonball is destroyed and blasted, and the treatment in the tunnel of the mine has certain safety advantage
In order to ensure the safety of the ventilation fan station in the mine, an explosion-proof wall is necessary to be arranged on one side of an explosion point so as to inhibit the airflow in the tunnel from generating large fluctuation and avoid causing large changes of the air pressure and the air quality in the tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a roadway type protection structure for a waste explosive destruction field, which comprises:
the protection wall is arranged at the end, facing the roadway opening, of the destruction pit;
a damping pit is arranged between the destroying pit and the protective wall;
wherein, the protective wall includes:
the anchor rods are embedded into the side wall and the top plate of the roadway;
two horizontally arranged cross bars connected to the anchor rods at the side walls;
a plurality of vertical bars arranged longitudinally, an anchor rod fixed to the cross bar and the top plate;
two layers of reinforcing mesh are respectively arranged on the inner side and the outer side of the vertical rod;
and the concrete layer covers the outer layer of the reinforcing mesh.
Preferably, the distance between the anchor rods positioned on the side wall of the roadway and the top plate is 1m, and the depth of the anchor eye of each anchor rod is 1.6 m.
Preferably, the exposed part of the anchor rod in the roadway is welded and connected into a whole through deformed steel bars, and the diameter of the deformed steel bars is 18 mm.
Preferably, the cross rod is a hollow steel pipe, and the diameter of the steel pipe is 2 inches.
Preferably, the reinforcing mesh is formed by welding threaded steel, the mesh density of the reinforcing mesh is 250mm by 250mm, and the interlayer spacing between two layers of reinforcing mesh is 200 mm.
Preferably, the thickness of the concrete layer is 300-400 mm.
Preferably, the depth of the shock absorption pit is 30-50cm, the width of the shock absorption pit is 2m, and a stone layer is arranged in the shock absorption pit.
Preferably, the stone layer comprises a cobblestone layer.
Compared with the prior art, the utility model has the advantages that:
the protection wall is arranged on the outer side of the destruction pit and comprises anchor rods embedded into a roadway structure, cross rods, vertical rods, reinforcing mesh and a concrete layer, wherein the cross rods, the vertical rods, the reinforcing mesh and the concrete layer are welded on the anchor rods, the anchor rods and the reinforcing structure can form firm attachments in the roadway, when the concrete layer is poured on the reinforcing structure, a sealed wall body is formed, the destruction wall body has high destruction connectivity, the leakage of shock waves in the destruction pit can be effectively prevented, particularly the leakage of gas shock waves, so that the stability of the gas pressure in the roadway is protected, and the shock absorption pit is further arranged, so that the impact of the shock waves on the wall body can be reduced.
It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent. In addition, all combinations of claimed subject matter are considered a part of the inventive subject matter of this disclosure.
The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of specific embodiments in accordance with the teachings of the present invention.
Drawings
The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a protective structure according to the present invention;
FIG. 2 is a schematic view of the construction of the anchor rods and cross bars of the retaining wall of the present invention;
FIG. 3 is a schematic structural view of a vertical rod in the protective wall according to the present invention;
fig. 4 is a schematic structural view of a reinforcing mesh in the protective wall according to the present invention.
Detailed Description
In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.
In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be understood that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways with any roadway waste explosives destruction yard containment structure, as the disclosed concepts and embodiments are not limited to any embodiment. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.
The utility model provides a tunnel type waste explosive destruction field protection structure which mainly comprises a protection wall 3 and a damping pit 2, wherein the destruction field is constructed in a tunnel, particularly the end of the tunnel, one end of the destruction field is closed, and the other end of the destruction field is open, and the protection wall is arranged at the open end, so that the tunnel forms a closed space.
A destroying pit 1 is arranged in the destroying field, and a protective wall 3 is arranged at the destroying pit 1 towards the open end of the roadway.
In an alternative real-time example, the destruction pit 1 is 3m deep, 3m wide and 9m long. The unexploded bombs are placed in a destruction pit 1 and are placed in order, and then the unexploded bombs are covered with cartridges of phi 70mm pasty emulsion explosive (the length is 46cm, the weight is 2kg, and the weight per unit length is 4.35kg/m) cut strips, namely the phi 70 pasty emulsion explosive is adopted to prepare an initiating body. Each explosive package is provided with 2 detonators in the same section and is provided with a multi-MS delay detonating tube detonator. One end of the detonating circuit is connected with the detonator of the detonating tube, and the other end of the detonating circuit is connected with the ignition station and used for ignition, so that the detonator of the detonating tube explodes and the detonating body is detonated to destroy the unexploded bomb.
Further, in order to reduce the influence of shock waves generated by explosion on the protective wall 3, a damping pit 2 is arranged between the destroying pit 1 and the protective wall 3; in the preferred embodiment, the depth of the shock absorption pit 2 is 30-50cm, the width of the shock absorption pit 2 is 2m, and a stone layer is arranged in the shock absorption pit 2. Wherein the stone layer comprises a cobblestone layer.
Further, as shown in fig. 1, the protective wall 3 includes anchor rods 31 embedded in the side walls and the roof of the roadway; the distance between the anchor rods 31 positioned on the side wall of the roadway and the top plate is 1m, and the anchor eye depth of the anchor rods 31 is 1.6 m. So, through the stock setting of high density, can improve the adhesive capacity to the tunnel country rock to establish firm basis.
Wherein, stock 31 divide into the side direction stock 312 that sets up at the tunnel lateral wall and set up the top stock 311 at the roof, exposes partly in the tunnel at stock 31 and links into an organic whole through the screw-thread steel welding, and the diameter of screw-thread steel is 18mm, so, makes top stock 311 and side direction stock 312 be connected to together, forms a holistic domes, improves joint strength.
Further, as shown in connection with fig. 2, two horizontally disposed cross bars 32 are connected to the lateral anchors 312; the horizontal pole 32 is hollow steel pipe, and the diameter of steel pipe 32 is 2 cun, through two horizontal poles 32's arrangement, lays the foundation for follow-up montant 33 that sets up.
Further, as shown in fig. 3, in order to complete the wall structure, a plurality of vertical rods 33 arranged longitudinally are fixed to the cross rod 32 and the top anchor rods 311 to form a dense rail-like structure; wherein, the vertical rod 33 is also a hollow steel tube of 2 inches.
Further, as shown in fig. 4, two layers of reinforcing mesh 34 are respectively disposed inside and outside the vertical rods 33; specifically, 18 mm-diameter thread steel is used for welding the reinforcing mesh 34 and the vertical rods 33 to root, and then the reinforcing mesh 34 is welded on the thread steel.
In the preferred embodiment, the mesh reinforcement 34 is formed from a welded connection of threaded steel, with a mesh density of 250 x 250mm and a layer spacing of 200mm between two mesh reinforcements.
And finally, a concrete layer 35 is poured on the outer layer of the reinforcing mesh, and the thickness of the concrete layer 35 is 300-400 mm. Thus, a compact wall structure is formed.
In addition, need be when setting up montant 33, reserve the door type structure 4 that supplies people to pass through, and subsequent, reinforcing bar net and concrete placement, spraying all reserve door type structure 4.
In combination with the above embodiment, the protection wall is arranged outside the destruction pit, the protection wall comprises the anchor rods embedded into the tunnel structure, and the cross rods, the vertical rods, the reinforcing mesh and the concrete layer welded on the anchor rods, the anchor rods and the reinforcing mesh can form firm attachments in the tunnel, when the concrete layer is poured on the reinforcing structure, a sealed wall body is formed, and the protection wall has strong connectivity, can effectively prevent the shock waves in the destruction pit from leaking, especially the gas shock waves, so as to protect the stability of the air pressure in the tunnel, and is further provided with the damping pit, so that the impact of the shock waves on the wall body can be reduced.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (8)
1. The utility model provides a protection architecture in old and useless explosive destruction field of tunnel formula which characterized in that includes:
the protection wall is arranged at the end, facing the roadway opening, of the destruction pit;
a damping pit is arranged between the destroying pit and the protective wall;
wherein, the protective wall includes:
the anchor rods are embedded into the side wall and the top plate of the roadway;
two horizontally arranged cross bars connected to the anchor rods at the side walls;
a plurality of vertical bars arranged longitudinally, an anchor rod fixed to the cross bar and the top plate;
two layers of reinforcing mesh are respectively arranged on the inner side and the outer side of the vertical rod;
and the concrete layer covers the outer layer of the reinforcing mesh.
2. The roadway-type waste explosive destruction field protection structure according to claim 1, wherein the distance between the anchor rods positioned on the side wall and the top plate of the roadway is 1m, and the anchor eye depth of the anchor rods is 1.6 m.
3. The roadway type waste explosive destruction field protection structure according to claim 1, wherein the exposed parts of the anchor rods in the roadway are welded and connected into a whole through deformed steel bars, and the diameter of the deformed steel bars is 18 mm.
4. The roadway-type waste explosive destruction field protective structure according to claim 1, wherein the cross bar is a hollow steel pipe, and the diameter of the steel pipe is 2 inches.
5. The roadway-type waste explosive destruction field protection structure according to claim 1, wherein the mesh reinforcement is formed by welding thread steel, the mesh density of the mesh reinforcement is 250 x 250mm, and the interlayer spacing between two layers of mesh reinforcement is 200 mm.
6. The roadway-type waste explosive destruction field protection structure according to claim 1, wherein the thickness of the concrete layer is 300-400 mm.
7. The roadway-type waste explosive destruction field protective structure according to any one of claims 1 to 6, wherein the depth of the shock absorption pit is 30-50cm, the width of the shock absorption pit is 2m, and a stone layer is arranged in the shock absorption pit.
8. The roadway-type waste explosive destruction yard protective structure of claim 7, wherein the pebble layer comprises a cobblestone layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122528998.0U CN216081193U (en) | 2021-10-20 | 2021-10-20 | Protective structure for tunnel type waste explosive destruction field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122528998.0U CN216081193U (en) | 2021-10-20 | 2021-10-20 | Protective structure for tunnel type waste explosive destruction field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216081193U true CN216081193U (en) | 2022-03-18 |
Family
ID=80640181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122528998.0U Expired - Fee Related CN216081193U (en) | 2021-10-20 | 2021-10-20 | Protective structure for tunnel type waste explosive destruction field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216081193U (en) |
-
2021
- 2021-10-20 CN CN202122528998.0U patent/CN216081193U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220318 |