CN210140847U - Utility tunnel - Google Patents
Utility tunnel Download PDFInfo
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- CN210140847U CN210140847U CN201920287669.1U CN201920287669U CN210140847U CN 210140847 U CN210140847 U CN 210140847U CN 201920287669 U CN201920287669 U CN 201920287669U CN 210140847 U CN210140847 U CN 210140847U
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- 239000004033 plastic Substances 0.000 claims abstract description 43
- 229920003023 plastic Polymers 0.000 claims abstract description 43
- 230000035939 shock Effects 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 7
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 6
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 6
- 229920001821 foam rubber Polymers 0.000 claims abstract description 4
- 229920006324 polyoxymethylene Polymers 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 229920001971 elastomer Polymers 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000009415 formwork Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009049 secondary transport Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
A comprehensive pipe gallery belongs to the field of urban infrastructure engineering. Utility tunnel includes two at least prefabricated sections and shock insulation layer, prefabricated section includes frame, water proof flame retardant coating and baffle, the frame is inside cavity, both sides open-ended cavity, and frame both sides opening part is the wave edge, the internal surface and the surface of frame are laid to the water proof flame retardant coating, baffle swing joint is inside the frame, and during prefabricated section horizontal splicing, the wave edge of a prefabricated section meets with the wave edge of another prefabricated section to the department of meeting leaves the gap, pack the shock insulation layer in the gap, the shock insulation layer is rubber or polyurethane foam. This novel adoption plastics material parcel frame can utilize plastics to have that density is low, waterproof nature is good and characteristics such as corrosion-resistant for piping lane long service life, the piping lane segment section is also lighter, and convenient transportation and hoist have advantages such as waterproof and fireproof performance is good, the antidetonation is effectual, the efficiency of construction height.
Description
Technical Field
The utility model belongs to city infrastructure engineering field, concretely relates to utility tunnel.
Background
The urban underground comprehensive pipe gallery is also commonly called a common ditch, and is a modern and intensive urban infrastructure formed by intensively arranging more than two urban pipelines (namely water supply, drainage, electric power, heat, gas, communication, television, network and the like) in the same tunnel space, arranging a special overhaul port, a hoisting port and a monitoring system, and implementing unified planning, design and construction, common maintenance and centralized management. The importance of its own safety is self evident as the underground pipe gallery comprises many elements of urban operation.
The construction technology of the comprehensive pipe gallery structure widely adopted at present mainly comprises a traditional on-site formwork erecting cast-in-place mode and a factory prefabrication on-site assembling mode. The traditional cast-in-place construction method has good integrity and is mature and reliable, but the cast-in-place construction method needs on-site formwork support and concrete pouring, the quality of the cast-in-place concrete is not easy to control, the construction period is long, and the defect of high labor consumption is obvious. The factory prefabricated assembled pipe gallery is large in size, and the integral prefabricated pipe gallery is often heavy, so that great inconvenience is brought to factory prefabrication, transportation and field hoisting; the other method of the assembly type comprehensive pipe gallery is that the support, the side plate and the top plate are separately prefabricated in a factory and assembled and combined on site; however, though the inconvenience caused by the weight of the integral prefabricated comprehensive pipe gallery is overcome, the structure of the assembled side plate and top plate is unstable, the force transmission effect is poor, and the number of joints is large, so that the water permeability probability is increased.
The application number is 2015202743530's chinese utility model patent application discloses a prefabricated utility tunnel, the cast-in-place underground pipe network needs processes such as reinforcing bar processing ligature, formwork, concrete placement, maintenance, form removal, secondary transport to need great raw and other materials to deposit and process the place, the earthwork excavation volume of slot is big, extravagant a large amount of templates and manual work and other relevant expenses, and the period is long, construction management cost is high, and the quality also is difficult to guarantee. The utility model discloses the constitution includes: the prefabricated bottom plate is provided with a group of outer wall bases, the outer wall bases are connected with the prefabricated outer wall, the middle of the prefabricated bottom plate is connected with a group of prefabricated inner walls, and the top end of the prefabricated outer wall and the top end of the prefabricated inner walls are connected with the prefabricated top plate. This utility model is used for improving city utility tunnel and integrating. However, the prefabricated member has the disadvantages of long construction period, high cost, poor shockproof effect and poor waterproof and fireproof capabilities.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved is as follows: to the technical problem, the utility model provides a utility tunnel has that the efficiency of construction is high, waterproof fire resistance is good, the piping lane segment is lighter, shockproof effectual and be convenient for installation and advantages such as hoist and mount.
The technical scheme is as follows: the utility model provides a utility tunnel, utility tunnel includes two at least prefabricated sections and shock insulation layer, prefabricated section includes frame, water proof flame retardant coating and baffle, the frame is inside cavity, both sides open-ended cavity, and frame both sides opening part is the wave edge, the internal surface and the surface of frame are laid to the water proof flame retardant coating, baffle swing joint is inside the frame, and during the concatenation of prefabricated section level, the wave edge of a prefabricated section meets with the wave edge of another prefabricated section to the department of meeting leaves the gap, pack the shock insulation layer in the gap, the shock insulation layer is rubber or polyurethane foam.
Preferably, the cross-sectional shape of the frame is a quadrangle, a horseshoe shape, or a circle.
Preferably, the frame is formed steel or corrugated steel.
Preferably, the waterproof and fireproof layer is a plastic layer.
Preferably, the waterproof fireproof layer comprises a recycled plastic layer and a polyformaldehyde plastic layer, the recycled plastic layer is laid on the inner surface and the outer surface of the frame, and the polyformaldehyde plastic layer is arranged on the inner surface and the outer surface of the recycled plastic layer.
Preferably, the cross section of the frame is quadrilateral, the frame comprises a top plate, two side plates and a bottom plate, the top plate and the bottom plate are identical in structure, the two sides of the top plate and the bottom plate are wavy edges, the other two sides of the top plate and the bottom plate are smooth straight lines, the two sides of each side plate are wavy edges, the other two sides of each side plate are smooth straight lines corresponding to the top plate and the bottom plate, and the top plate, the two side plates and the bottom plate are movably.
Preferably, through holes are formed in four corners of the top plate and the bottom plate, bulges corresponding to the through holes are arranged on corners of the top and the bottom of the side plate, and the bulges are inserted into the through holes.
Preferably, the inner side of the frame is provided with a groove corresponding to the thickness of the partition plate.
Has the advantages that:
1. utility tunnel's prefabricated section adopts steel and plastics to combine, regards as the frame with high strength, high tenacity, high durable steel, has improved pipe rack's intensity, rigidity and life, adopts plastics material parcel frame, can utilize plastics to have advantages such as density is low, waterproof nature is good, corrosion resistance for pipe rack has more of a specified duration life, and the pipe rack section is also lighter, convenient transportation and hoist. And plastics also can protect inside steel skeleton, make the steel skeleton not corroded by groundwater, adopt the piping lane of plastics material, when multisection piping lane segment overlap joint, can also utilize the thermoplasticity of plastics, concrete piping lane is compared to the overlap joint mode like this, and the wholeness is better, and industrial process is also simple moreover.
2. The waterproof fireproof layer comprises a recycled plastic layer and a polyformaldehyde plastic layer, polyformaldehyde has the hardness, the strength and the rigidity similar to those of metal, and has the advantages of good self-lubricating property, good fatigue resistance and elasticity within a wide temperature and humidity range, in addition, the polyformaldehyde plastic layer also has good chemical resistance and low cost.
3. When the prefabricated sections are horizontally spliced, the wave-shaped edge of one prefabricated section is connected with the wave-shaped edge of the other prefabricated section, a gap is reserved at the joint, a shock insulation layer is filled in the gap, the shock insulation layer is made of rubber or polyurethane foam rubber, the rubber and the polyurethane foam rubber have elasticity and are easy to adhere, and the shock insulation layer can deform and can be waterproof, has good shock absorption buffering performance and sealing performance and can be combined with high-strength steel.
4. The frame can realize detachable firm in connection simultaneously through arch and through hole, and the water proof flame retardant coating of frame inside and outside can utilize the thermoplasticity of plastics in waterproof and fireproof, with the more firm combination of frame, makes the structure more stable, can dismantle the demand that the setting of frame can satisfy the on-the-spot assembly, overcomes the inconvenience that integral prefabricated utility tunnel weight brought to waterproof performance is excellent.
5. The partition board is movably connected inside the frame, so that the space in the frame can be partitioned according to construction requirements, and the purpose of integrating water supply, water drainage, electric power, heating power, fuel gas, communication, television, network and the like is flexibly realized.
Drawings
Fig. 1 is a schematic view of the utility model of a comprehensive pipe rack structure;
FIG. 2 is a schematic view of the frame structure of the present invention;
FIG. 3 is a schematic view of the bottom plate structure of the present invention;
FIG. 4 is a schematic view of the side plate structure of the present invention;
fig. 5 is a schematic structural view of the frame and the waterproof and fireproof layer of the present invention.
The figures in the drawings have the following numerical designations: 1. a frame; 2. a waterproof fireproof layer; 3. a partition plate; 4. a seismic isolation layer; 5. a top plate; 6. a side plate; 7. a base plate; 8. a through hole; 9. a protrusion; 10. a groove; 11. recycling the plastic layer; 12. a polyoxymethylene plastic layer.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the description of the embodiments given herein without making any inventive step, are within the scope of the present invention.
Example 1
The utility model provides a utility tunnel, utility tunnel includes two prefabricated sections and shock insulation layer 4. The prefabricated segment comprises a frame 1, a waterproof fireproof layer 2 and a partition plate 3. The frame 1 is a hollow cavity with openings at two sides. The cross-sectional shape of the frame 1 is circular. The frame 1 is corrugated steel, and openings at two sides of the frame 1 are wavy edges. The waterproof and fireproof layer 2 is laid on the inner surface and the outer surface of the frame 1, and the waterproof and fireproof layer 2 is a plastic layer. The waterproof fireproof layer 2 comprises a recycled plastic layer 11 and a polyformaldehyde plastic layer 12, the recycled plastic layer 11 is laid on the inner surface and the outer surface of the frame 1, and the polyformaldehyde plastic layer 12 is arranged on the inner surface and the outer surface of the recycled plastic layer 11. The partition board 3 is movably connected inside the frame 1 and used for dividing the space inside the frame 1. When the prefabricated sections are horizontally spliced, the wave-shaped edge of one prefabricated section is connected with the wave-shaped edge of the other prefabricated section, a gap is reserved at the connection position, a shock insulation layer 4 is filled in the gap, and the shock insulation layer 4 is rubber.
The method for assembling the comprehensive pipe rack comprises the following steps: the method comprises the steps of covering recycled plastics on the inner surface and the outer surface of a frame 1 by adopting an extrusion forming method, covering polyformaldehyde plastic layers on the inner side and the outer side of the recycled plastics by adopting the extrusion forming method, inserting a partition plate 3 into the frame 1, connecting two prefabricated sections, connecting the wavy edge of one prefabricated section with the wavy edge of the other prefabricated section, welding the connecting part in a spot welding mode by leaving a gap at the connecting part, filling rubber in the gap, and finally connecting the plastics on the inner surface and the outer surface of the frame 1 by adopting a hot melting method to finally complete the assembly of the comprehensive pipe gallery.
Example 2
A utility tunnel, see figure 1, comprising two prefabricated sections and a seismic isolation layer 4. Referring to fig. 2-4, the prefabricated segment includes a frame 1, a waterproof fire-proof layer 2 and a partition 3. The frame 1 is a hollow cavity with openings at two sides. The cross-sectional shape of frame 1 is the quadrangle, and frame 1 includes roof 5, two curb plates 6 and bottom plate 7, roof 5 is the same with bottom plate 7 structure, and both sides are the wave edge, and both sides are smooth straight line in addition, 6 both sides of every curb plate are the wave edge, and both sides are the smooth straight line that corresponds with roof 5 and bottom plate 7 in addition, roof 5, two curb plates 6 and bottom plate 7 swing joint. Through holes 8 are formed in four corners of the top plate 5 and the bottom plate 7, bulges 9 corresponding to the through holes 8 are arranged on corners of the top and the bottom of the side plate 6, and the bulges 9 are inserted into the through holes 8. The frame 1 is made of section steel. The openings at the two sides of the frame 1 are wave-shaped edges. Referring to fig. 5, the waterproof and fireproof layer 2 is laid on the inner surface and the outer surface of the frame 1, and the waterproof and fireproof layer 2 is a plastic layer. The waterproof fireproof layer 2 comprises a recycled plastic layer 11 and a polyformaldehyde plastic layer 12, the recycled plastic layer 11 is laid on the inner surface and the outer surface of the frame 1, and the polyformaldehyde plastic layer 12 is arranged on the inner surface and the outer surface of the recycled plastic layer 11. The partition board 3 is movably connected inside the frame 1 and used for dividing the space inside the frame 1. When the prefabricated sections are horizontally spliced, the wave-shaped edge of one prefabricated section is connected with the wave-shaped edge of the other prefabricated section, a gap is reserved at the connection position, a shock insulation layer 4 is filled in the gap, and the shock insulation layer 4 is made of polyurethane foam glue.
Each prefabricated segment has a length of 6.0 m, a thickness of the side plates 6 of 0.35 m, a thickness of the top plate 5 of 0.35 m, a thickness of the bottom plate 7 of 0.45 m and a thickness of the partition plate 3 of 0.25 m.
The method for assembling the comprehensive pipe rack comprises the following steps: the method comprises the steps of respectively inserting bulges at the corners of side plates into through holes of a top plate 5 and a bottom plate 7 to form a frame 1, then covering the inner surface and the outer surface of the frame 1 with recycled plastic by adopting an extrusion forming method, then covering polyformaldehyde plastic layers on the inner side and the outer side of the recycled plastic by adopting an extrusion forming method, then inserting a partition plate 3 into the frame 1, then connecting two prefabricated sections, connecting the wavy edge of one prefabricated section with the wavy edge of the other prefabricated section, welding the joint by adopting a spot welding mode by leaving a gap at the joint, then filling rubber into the gap, finally connecting the plastic on the inner surface and the outer surface of the frame 1 by adopting a hot melting method, and finally completing the assembly of the comprehensive pipe gallery.
Example 3
The difference from example 1 is that the cross-sectional shape of the frame 1 is horseshoe-shaped, and the frame 1 is formed of a steel section. The inner side of the frame 1 is provided with a groove 10 corresponding to the thickness of the clapboard 3, so that the clapboard 3 can be more stably inserted into the frame 1.
Claims (8)
1. The utility model provides a utility tunnel, a serial communication port, utility tunnel includes two at least prefabricated sections and shock insulation layer (4), prefabricated section includes frame (1), water proof flame retardant coating (2) and baffle (3), frame (1) is inside cavity, both sides open-ended cavity, and frame (1) both sides opening part is the wave edge, the internal surface and the surface of frame (1) are laid to water proof flame retardant coating (2), baffle (3) swing joint is inside frame (1), and during prefabricated section horizontal splicing, the wave edge of a prefabricated section meets with the wave edge of another prefabricated section to the department of meeting leaves the gap, pack shock insulation layer (4) in the gap, shock insulation layer (4) are rubber or polyurethane foam.
2. The utility tunnel according to claim 1, characterized in that the cross-sectional shape of the frame (1) is quadrangular, horseshoe-shaped or circular.
3. The utility tunnel according to claim 1, characterized in that the frame (1) is profiled or corrugated steel.
4. The utility tunnel according to claim 1, characterized in that the waterproof and fireproof layer (2) is a plastic layer.
5. The utility tunnel according to claim 1, characterized in that, the water proof and fire proof layer (2) includes a recycled plastic layer (11) and a polyoxymethylene plastic layer (12), the recycled plastic layer (11) is laid on the inner surface and the outer surface of the frame (1), and the polyoxymethylene plastic layer (12) is arranged on the inner surface and the outer surface of the recycled plastic layer (11).
6. The utility tunnel according to claim 1, characterized in that the cross-sectional shape of the frame (1) is quadrilateral, the frame (1) comprises a top plate (5), two side plates (6) and a bottom plate (7), the top plate (5) and the bottom plate (7) have the same structure, two sides are wave-shaped edges, the other two sides are smooth straight lines, two sides of each side plate (6) are wave-shaped edges, the other two sides are smooth straight lines corresponding to the top plate (5) and the bottom plate (7), and the top plate (5), the two side plates (6) and the bottom plate (7) are movably connected.
7. The utility tunnel according to claim 6, characterized in that the four corners of the top plate (5) and the bottom plate (7) are provided with through holes (8), the top and bottom corners of the side plates (6) are provided with protrusions (9) corresponding to the through holes (8), and the protrusions (9) are inserted into the through holes (8).
8. The utility tunnel according to claim 1, characterized in that the frame (1) is provided with grooves (10) on the inside corresponding to the thickness of the partition (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287669.1U CN210140847U (en) | 2019-03-07 | 2019-03-07 | Utility tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920287669.1U CN210140847U (en) | 2019-03-07 | 2019-03-07 | Utility tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210140847U true CN210140847U (en) | 2020-03-13 |
Family
ID=69732894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920287669.1U Expired - Fee Related CN210140847U (en) | 2019-03-07 | 2019-03-07 | Utility tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210140847U (en) |
-
2019
- 2019-03-07 CN CN201920287669.1U patent/CN210140847U/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: 20200313 Termination date: 20210307 |