CN210031904U - Explosion-proof layer of layered comprehensive pipe gallery - Google Patents
Explosion-proof layer of layered comprehensive pipe gallery Download PDFInfo
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- CN210031904U CN210031904U CN201920038693.1U CN201920038693U CN210031904U CN 210031904 U CN210031904 U CN 210031904U CN 201920038693 U CN201920038693 U CN 201920038693U CN 210031904 U CN210031904 U CN 210031904U
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Abstract
The utility model provides a layered explosion-proof layer of a comprehensive pipe gallery, which comprises a water supply pipe, a middle water pipe, a gas pipe, a rainwater cabin, an explosion-proof layer and a pipe gallery body; the water supply pipe, the middle water pipe and the fuel gas pipe are all positioned in the pipe gallery body, the fuel gas pipe is positioned in the explosion-proof layer, and the outside of the explosion-proof layer is connected with the pipe gallery body; the rainwater cabin is positioned in the pipe gallery body and is positioned on one side of the explosion-proof layer; the explosion-proof layer be the explosion-proof layer of layer-stepping utility tunnel, the explosion-proof layer of layer-stepping utility tunnel is including antiknock layer and distribution layer, lays flexible energy-absorbing material in the distribution layer. When explosion occurs, the high-strength reinforced concrete layer firstly bears impact to ensure that the explosion-proof layer cannot be easily penetrated, so that most of the explosion impact occurs in the explosion-proof distribution layer; after the high-strength concrete layer is penetrated, the effect of explosion impact is attenuated by matching various different layered media of the distribution layer, so that the protection of the pipe gallery body serving as the supporting structure is realized.
Description
Technical Field
The utility model belongs to the technical field of the utility model, a layered utility tunnel explosion-proof layer is related to.
Background
At present, with the development of economy and technology, the construction of utility tunnel engineering is being actively developed. With the admission of gas pipelines into the corridor, the explosion prevention problem of the future comprehensive pipe corridor also becomes increasingly important. At present, explosion-proof related problems are not particularly considered in most gas corridor comprehensive pipe corridors, more attention points are still put on the aspects of detection, ventilation and fire prevention, appropriate explosion-proof instruments (such as an explosion-proof switch, an explosion-proof telephone, an explosion-proof lamp and the like) are matched, and corresponding ventilation and evacuation mechanisms are matched, so that explosion is avoided.
Layered structures, which were first used in the military, are a form of structure that has emerged with the development of weapons. A typical layered structure in the military is generally composed of several parts: the protective layer comprises a covering layer, an elastic covering layer, a distribution layer and a support structure, wherein the first three layers are called protective layers of a layered structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a utility tunnel who goes into the corridor in order to overcome current gas does not all have the explosion-proof relevant problem of special consideration, the utility model provides a layer-stepping utility tunnel explosion-proof layer, the utility model discloses an utilize the explosion-proof layer of layer-stepping utility tunnel that the principle of layered technique and utility tunnel actual conditions combined together, this explosion-proof layer can be compared in traditional way, improves utility tunnel's blast proof ability greatly, protects the safety of piping lane body and peripheral building. The principle is that the use of a stratified medium can attenuate the destructive impact of an explosion.
The utility model adopts the technical proposal that:
a layered explosion-proof layer of a comprehensive pipe gallery comprises a water supply pipe, a fuel gas pipe, a rainwater cabin, an explosion-proof layer and a pipe gallery body; the water supply pipe, the middle water pipe and the fuel gas pipe are all positioned in the pipe gallery body, the fuel gas pipe is positioned in the explosion-proof layer, and the outside of the explosion-proof layer is connected with the pipe gallery body; the rainwater cabin is positioned in the pipe gallery body and is positioned on one side of the explosion-proof layer; the explosion-proof layer be the explosion-proof layer of layer-stepping utility tunnel, the explosion-proof layer of layer-stepping utility tunnel is including antiknock layer and distribution layer, lays flexible energy-absorbing material in the distribution layer.
The anti-explosion layer is made of reinforced concrete.
The reinforced concrete is high-strength concrete with the thickness of 50mm, and the thickness of the reinforced concrete is more than C60.
The flexible energy-absorbing material is one or more of foam concrete, foam polyurethane foam, foam aluminum or loess.
The flexible energy-absorbing material laid in the distribution layer sequentially comprises foam concrete, foam polyurethane foam and loess from inside to outside.
The thicknesses of the foam concrete, the foam polyurethane foam and the loess are all 25 mm.
The beneficial effects of the utility model reside in that:
(1) the construction process is simple and can be completed without complex engineering. Simple structure, construction convenience, the cost is lower.
(2) The thickness and the intensity of the shell layer are rationally allocated, and the number of layers and the material of the distribution layer are rationally selected, so that the pipe gallery with different explosion-proof requirements can be adapted.
The following will be further described with reference to the accompanying drawings.
Drawings
Figure 1 is the utility model discloses an explosion-proof utility tunnel cross-sectional view of layer-stepping utility tunnel explosion-proof layer has been increased.
Fig. 2 is the utility model discloses a detail view of explosion-proof layer of layer-stepping utility tunnel.
In the figures, the reference numbers are: 1. a water supply pipe; 2. a reclaimed water pipe; 3. a gas pipe; 4. a rain chamber; 5. an explosion-proof layer; 6. a pipe gallery body; 7. reinforced concrete; 8. foam concrete; 9. a foamed polyurethane foam; 10. loess.
Detailed Description
Example 1:
the utility model provides a utility tunnel who goes into the corridor in order to overcome current gas does not all have the explosion-proof relevant problem of special consideration, the utility model provides a layering utility tunnel explosion-proof layer as shown in figure 1 and figure 2, the utility model discloses an utilize layering utility tunnel explosion-proof layer that the principle of layering technique and utility tunnel actual conditions combined together, this explosion-proof layer can be compared in traditional way, improves utility tunnel's blast resistance greatly, protects the safety of piping lane body and peripheral building. The principle is that the use of a stratified medium can attenuate the destructive impact of an explosion.
A layered explosion-proof layer of a comprehensive pipe gallery comprises a water supply pipe 1, a reclaimed water pipe 2, a fuel gas pipe 3, a rainwater cabin 4, an explosion-proof layer 5 and a pipe gallery body 6; the water supply pipe 1, the reclaimed water pipe 2 and the fuel gas pipe 3 are all positioned in the pipe gallery body 6, the fuel gas pipe 3 is positioned in the explosion-proof layer 5, and the outside of the explosion-proof layer 5 is connected with the pipe gallery body 6; the rainwater cabin 4 is positioned in the pipe gallery body 6 and is positioned on one side of the explosion-proof layer 5; explosion-proof layer 5 for layered type utility tunnel explosion-proof layer, layered type utility tunnel explosion-proof layer is including antiknock layer and distribution layer, lays flexible energy-absorbing material in the distribution layer.
When explosion happens, the anti-explosion layer firstly bears impact to ensure that the anti-explosion layer cannot be easily penetrated, so that most of the explosion impact happens in the anti-explosion layer; after penetrating through the anti-explosion layer, the pipe gallery body 6 serving as the supporting structure is protected by utilizing the matching of various different layered media of the distribution layer and attenuating the effect of explosion impact.
Example 2:
based on the embodiment 1, as shown in fig. 2, the anti-explosion layer is reinforced concrete 7.
The reinforced concrete 7 is high-strength concrete with the thickness of 50mm and above C60.
The flexible energy absorption material is one or more of foam concrete 8, foam polyurethane foam 9, foam aluminum or loess 10.
The flexible energy absorption materials paved in the distribution layer sequentially comprise foam concrete 8, foam polyurethane foam 9 and loess 10 from inside to outside.
The thicknesses of the foam concrete 8, the foam polyurethane foam 9 and the loess 10 are all 25 mm.
According to the needs, the media arranged in the distribution layer can be freely matched and selected, the media are flexible energy-absorbing materials, one or more flexible energy-absorbing materials can be selected as the distribution layer according to the needs, and the explosion impact is attenuated by utilizing the matching of various different layered media of the distribution layer, so that the protection of the pipe gallery body 6 serving as the supporting structure is realized.
A method for manufacturing an explosion-proof layer of a layered comprehensive pipe gallery comprises the following specific steps: firstly, pouring reinforced concrete 7 with the thickness of 45-58mm as a first layer of anti-explosion layer; the second layer is used as a distribution layer, flexible energy-absorbing materials are paved in the distribution layer according to needs, and finally the pipe gallery body 6 structure is used as a supporting structure.
And arranging 25mm foam concrete 8+25mm polyurethane foam 9+25mm loess 10 as an anti-explosion distribution layer outside the anti-explosion layer in sequence.
The structure of the explosion-proof layer of the layered comprehensive pipe gallery provided by the utility model is shown in figure 1,
the manufacturing steps are as follows:
firstly, 50mm of high-strength reinforced concrete is poured to be used as a first-layer explosion-proof layer. The function of the explosion-proof layer is to prevent the explosion fragments from easily penetrating the explosion-proof layer, so that most of the explosion effect occurs in the explosion-proof layer;
the second layer is used as an explosion-proof distribution layer, and flexible energy-absorbing materials are laid according to requirements; common forms may consider 25mm foam concrete +25mm polyurethane foam +25mm loess;
finally, the pipe gallery body 6 is used as a supporting structure.
The utility model discloses a layer-stepping explosion-proof layer working process as follows:
when explosion occurs, the reinforced concrete 7 is an explosion-proof layer which is firstly contacted with explosion impact, and the reinforced concrete 7 has higher strength and can prevent the explosion impact and the explosion from penetrating easily at will, so that most of the explosion action occurs in the explosion-proof layering; when the explosion reaches the second explosion-proof distribution layer, the layered medium starts to function. Through the collocation of different flexible energy-absorbing materials for most explosion damage impact is consumed at the distribution layer thereby as the safety of protection bearing structure's piping lane body.
The utility model discloses utilize the layering medium to the decay mechanism that the explosion is strikeed, combine the explosion-proof layer of a layered utility tunnel of utility tunnel actual conditions design, its explosion-proof effectual, under the blast load effect, reinforced concrete's among the protective structure atress and destroy the form and obviously different when receiving the dead load, the structure is except common crooked destruction form, but the structural component who destroys the design according to the bending still can take place under some circumstances changes fragile shearing destruction into, shearing destruction takes place in preference to the bending destruction promptly, its leading cause is that the pulse load that the explosion produced contains high frequency component abundantly, the high-frequency vibration of structural component has been aroused to factors such as strain efficiency is obvious, shearing deformation and internal force. When the explosion wave is transmitted to the back explosion surface of the structure, a tensile wave is also generated, so that the concrete structure is subjected to spalling damage. The use of the layered medium is just to weaken the destructive impact of the explosion; the utility model has convenient construction, various selected materials and construction methods are common, and the construction is convenient and fast; the cost is low, and the selected medium materials are all common materials, so the manufacturing cost is low.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention. The components and structural bases not described in detail in this embodiment are well known in the art and commonly used in the art, and need not be described in detail herein.
Claims (5)
1. The utility model provides a layer-stepping utility tunnel explosion-proof layer which characterized in that: comprises a water supply pipe (1), a reclaimed water pipe (2), a fuel gas pipe (3), a rainwater cabin (4), an explosion-proof layer (5) and a pipe gallery body (6); the water supply pipe (1), the reclaimed water pipe (2) and the fuel gas pipe (3) are all positioned in the pipe gallery body (6), the fuel gas pipe (3) is positioned in the explosion-proof layer (5), and the outside of the explosion-proof layer (5) is connected with the pipe gallery body (6); the rainwater cabin (4) is positioned in the pipe gallery body (6) and is positioned on one side of the explosion-proof layer (5); explosion-proof layer (5) be the explosion-proof layer of layer-stepping utility tunnel, the explosion-proof layer of layer-stepping utility tunnel is including antiknock layer and distribution layer, lays flexible energy-absorbing material in the distribution layer.
2. A layered utility tunnel explosion-proof layer according to claim 1, characterized in that: the anti-explosion layer is made of reinforced concrete (7).
3. A layered utility tunnel explosion-proof layer according to claim 2, wherein: the reinforced concrete (7) is high-strength concrete with the thickness of 50mm and above C60.
4. A layered utility tunnel explosion-proof layer according to claim 1, characterized in that: the flexible energy absorption material paved in the distribution layer sequentially comprises foam concrete (8), foam polyurethane foam (9) and loess (10) from inside to outside.
5. A layer-stepping utility tunnel blast proof layer of claim 4, characterized by: the thicknesses of the foam concrete (8), the foam polyurethane foam (9) and the loess (10) are all 25 mm.
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| CN201920038693.1U CN210031904U (en) | 2019-01-10 | 2019-01-10 | Explosion-proof layer of layered comprehensive pipe gallery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555160A (en) * | 2019-01-10 | 2019-04-02 | 中国电建集团西北勘测设计研究院有限公司 | A kind of layer-stepping pipe gallery explosion-proof layer and production method |
| CN116105566A (en) * | 2023-04-07 | 2023-05-12 | 中国矿业大学(北京) | Comprehensive pipe gallery gas cabin explosion suppression method and device based on energy absorbing material |
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2019
- 2019-01-10 CN CN201920038693.1U patent/CN210031904U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555160A (en) * | 2019-01-10 | 2019-04-02 | 中国电建集团西北勘测设计研究院有限公司 | A kind of layer-stepping pipe gallery explosion-proof layer and production method |
| CN116105566A (en) * | 2023-04-07 | 2023-05-12 | 中国矿业大学(北京) | Comprehensive pipe gallery gas cabin explosion suppression method and device based on energy absorbing material |
| CN116105566B (en) * | 2023-04-07 | 2023-06-16 | 中国矿业大学(北京) | Comprehensive pipe gallery gas cabin explosion suppression method and device based on energy absorbing material |
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