CN209975578U - Prefabricated utility tunnel of three cabin symmetries - Google Patents
Prefabricated utility tunnel of three cabin symmetries Download PDFInfo
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- CN209975578U CN209975578U CN201920502778.0U CN201920502778U CN209975578U CN 209975578 U CN209975578 U CN 209975578U CN 201920502778 U CN201920502778 U CN 201920502778U CN 209975578 U CN209975578 U CN 209975578U
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- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 210000002435 tendon Anatomy 0.000 claims description 25
- 238000005192 partition Methods 0.000 claims description 14
- 239000004587 polysulfide sealant Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009430 construction management Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of underground pipe gallery, in particular to a three-cabin symmetrical prefabricated comprehensive pipe gallery, which comprises a plurality of sections of prefabricated pipes which are connected in sequence, wherein each section of prefabricated pipe comprises four F-shaped prefabricated components which comprise a horizontal bottom plate, and a horizontal top plate extends from one end of the bottom plate; the other end is provided with a vertical side wall, a vertical intermediate wall is arranged between the bottom plate and the top plate, the side wall, the intermediate wall and the bottom plate enclose a half bin with one open side, and the top plate and the intermediate wall enclose a quarter bin with two open sides; four F-shaped prefabricated parts are distributed in a grid shape like a Chinese character tian, and two adjacent F-shaped prefabricated parts are symmetrically distributed to form three bin bodies. The utility model discloses with the help of assembled structure advantage, guaranteed construction quality for construction speed.
Description
Technical Field
The utility model belongs to the technical field of the underground pipe gallery, in particular to prefabricated utility tunnel structure of three cabin symmetries.
Background
The utility tunnel is that an underground pipe gallery is built under the town road, and municipal pipelines such as drainage, heating power, gas, electric power, communication, broadcasting and TV are gathered and are intensively laid and are brought into it to set up facilities such as special access hole, dog-house, unified construction management saves independent structures of pipeline self and excavation of earth, can be effective intensive the utilization space resource. As the national important supporting civil engineering, the urban underground comprehensive pipe gallery is an important measure for innovating the construction of urban infrastructure, the problems of 'road zippers', 'aerial spider nets' and the like can be gradually eliminated, underground space resources can be used, the urban comprehensive bearing capacity is improved, the demands of the civil are met, effective investment can be driven, the supply of public products is increased, the novel urbanization development quality is improved, and new economic development power is created. At present, the cast-in-place underground pipe gallery technology is mainly adopted, the overall quality is unstable, and the construction period is long.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of cast-in-place underground pipe gallery technique, the utility model provides a prefabricated sectional type underground pipe gallery of three storehouse symmetries guarantees pipe gallery's overall quality, reduction of erection time.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a three-cabin symmetrical prefabricated comprehensive pipe gallery comprises a plurality of sections of prefabricated pipes which are sequentially connected, wherein each section of prefabricated pipe comprises four F-shaped prefabricated components, each F-shaped prefabricated component comprises a horizontal bottom plate, and a horizontal top plate extends from one end of each bottom plate; the other end of the bottom plate is provided with a vertical side wall, a vertical middle partition wall is arranged between the bottom plate and the top plate, and the side wall and the middle partition wall are positioned on the same side of the bottom plate and have the same height; the side walls, the middle partition wall and the bottom plate enclose a half bin with an opening on one surface, and the top plate and the middle partition wall enclose a quarter bin with openings on two surfaces;
the four F-shaped prefabricated parts are distributed in a grid shape, two adjacent F-shaped prefabricated parts are symmetrically distributed to form three bin bodies, a complete side bin is formed by half bins of the two F-shaped prefabricated parts which are symmetrical up and down, and a complete middle bin is formed by quarter bins of the four F-shaped prefabricated parts.
The device comprises a first connecting device, a second connecting device and a third connecting device, wherein the first connecting device comprises an arc bolt and a nut; the side wall end parts of the upper F-shaped prefabricated part and the lower F-shaped prefabricated part which are adjacent to each other are connected with each other through a first connecting device, one end of each arc-shaped bolt is fixed on one F-shaped prefabricated part, and the other end of each arc-shaped bolt is fixed on the adjacent F-shaped prefabricated part through a nut. Sufficient pressure is applied through the connection of arc bolt, guarantees that roof, bottom plate and side wall interconnect department of F type prefabricated component are in the extrusion state, can strengthen water-proof effects like this. Arc bolts and nuts are adopted to connect the top plate, the bottom plate and the side wall of the F-shaped prefabricated part, and gaskets are added at the joints of the arc bolts, the nuts and the top plate, the bottom plate and the side wall of the F-shaped prefabricated part, so that crushing caused by overlarge local concrete stress is prevented.
The second connecting device comprises a reserved steel plate and a steel bar; the middle partition walls of the two vertically symmetrical F-shaped prefabricated parts are fixedly connected through a second connecting device, the reserved steel plates are fixed on the middle partition walls, and two ends of the steel bar are respectively fixed on the upper reserved steel plate and the lower reserved steel plate. Through the bar connection of steel reinforcement, guarantee that F type prefabricated component's mid-board interconnect department forms rigid connection, guarantee its wholeness and bearing capacity, the junction need not waterproof setting.
Preferably, the connecting seam A between the end parts of the side walls of the vertically adjacent F-shaped prefabricated parts and the connecting seam B between the end parts of the top plates of the horizontally adjacent F-shaped prefabricated parts are both socket-type tongue-and-groove seams, and the connecting seam C between the intermediate walls of the vertically symmetrical two F-shaped prefabricated parts is a flat seam.
Furthermore, waterproof layers are arranged on the connecting end surfaces of the top plate, the bottom plate and the side walls of the F-shaped prefabricated part. The waterproof layer comprises two polysulfide sealants, water-swellable rubber and elastic sealing gaskets, the two polysulfide sealants are respectively arranged on two sides of the end face of the tongue-and-groove seam, the water-swellable rubber is arranged on the bevel face of the tongue-and-groove seam, and the elastic sealing gaskets are arranged on the end face, close to the interior of the bin body, of the tongue-and-groove seam.
Furthermore, the device also comprises a prestressed tendon reserved hole; the prestressed tendon reserved hole is arranged at the haunched position of the side wall and the middle partition wall of the F-shaped prefabricated part; the prestressed tendons are arranged in the prestressed tendon reserved holes, and the adjacent prefabricated pipes are sequentially connected through the prestressed tendons to form an integral pipe gallery.
The diameter of the prestressed tendon reserved hole is larger than that of the arc-shaped bolt. Installing arc bolts in the prefabricated parts, reserving holes in the top plate, the bottom plate and the side walls of the F-shaped prefabricated parts, wherein the diameters of the reserved holes are larger than those of the arc bolts so as to assemble the F-shaped prefabricated parts conveniently.
The utility model discloses waterproof materials such as polysulfide sealant, water-swelling rubber and elastic sealing pad have been used at the junction of roof, bottom plate and the side wall of F type prefabricated component, in addition because the pressure that the nut provided, both can realize waterproof material's water-proof effects, can play the cushioning effect between the component again. Polysulfide sealant carries out the shutoff of seam, realizes waterproof and to other waterproof material's protection, and water-swelling rubber can meet water expansion, at the component dead weight and extrusion simultaneously, plays first waterproof effect, and the elastic sealing pad provides the pressure through the arc bolt, realizes and the extrusion of component, plays the waterproof effect of second way. Through the prestressing tendons shrinkage pool on side wall, the mid-board, adopt the prestressing tendons to be connected the prefabricated component of piping lane, provide a reliable connected mode to the prefabricated component, the most obvious has accelerated construction speed, and the prefab is prefabricated in the mill, and the quality is guaranteed easily, and then has improved the whole shock resistance of piping lane.
The utility model provides a prefabricated utility tunnel of three cabin symmetries, prefabricated component are through design and degree of depth optimization back, guarantee the installation accuracy requirement, and prefabricated component passes through bending bolt and reinforcing bar and links to each other, and the member joint adopts twice waterproof, has played water-proof effects, the utility model discloses on effectual basis with the help of assembled structural advantage, compensatied assembled structural connection's shortcoming, prefabricated component can guarantee construction quality, has accelerated construction speed simultaneously.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is a waterproof layer structure of the present invention.
FIG. 3 is a schematic view of the connection position of the arc bolt and the nut for the right side wall of the prefabricated part.
Fig. 4 is a schematic view of the connection position of the top plate of the prefabricated part by using arc-shaped bolts and nuts.
Fig. 5 is a schematic view of the connection position of the prefabricated part bottom plate by using arc-shaped bolts and nuts.
Fig. 6 is a schematic view of the joint between a steel plate and a steel bar for an intermediate wall of a prefabricated member.
In the figure: 1-F type prefabricated part, 2-arc bolt, 3-nut, 4-reserved steel plate, 5-reinforcing steel bar, 6-waterproof layer, 7-prestressed rib reserved hole, 8-polysulfide sealant, 9-water-swelling rubber and 10-elastic sealing gasket.
Detailed Description
The specific technical solution of the present invention is explained with reference to the drawings.
As shown in fig. 1, a three-cabin symmetric prefabricated comprehensive pipe gallery comprises a plurality of sections of prefabricated pipes which are sequentially connected, wherein each section of prefabricated pipe comprises four F-shaped prefabricated components 1, each F-shaped prefabricated component 1 comprises a horizontal bottom plate 12, and a horizontal top plate 13 extends from one end of each bottom plate 12; a vertical side wall 11 is arranged at the other end, a vertical intermediate wall 14 is arranged between the bottom plate 12 and the top plate 13, and the side wall 11 and the intermediate wall 14 are positioned at the same side of the bottom plate 12 and have the same height; the side walls 11, the intermediate wall 14 and the bottom plate 12 enclose a half bin 15 with an opening on one side, and the top plate 13 and the intermediate wall 14 enclose a quarter bin 16 with an opening on two sides;
four F-shaped prefabricated parts 1 are distributed in a grid shape, two adjacent F-shaped prefabricated parts 1 are symmetrically distributed to form three bin bodies, a complete side bin is formed by half bins 15 of the two F-shaped prefabricated parts 1 which are symmetrical up and down, and a complete middle bin is formed by quarter bins 16 of the four F-shaped prefabricated parts 1.
As shown in fig. 3 and 4, the device further comprises a first connecting device, wherein the first connecting device comprises an arc bolt 2 and a nut 3; the end parts of the side walls 11 of the F-shaped prefabricated parts 1 adjacent up and down and the end parts of the top plates 13 of the F-shaped prefabricated parts 1 adjacent left and right are connected through first connecting devices respectively, one end of each arc-shaped bolt 2 is fixed on one F-shaped prefabricated part 1, and the other end of each arc-shaped bolt is fixed on the adjacent F-shaped prefabricated part 1 through a nut 3. Sufficient pressure is exerted through the connection of arc bolt 2, guarantees that roof, bottom plate and the side wall interconnect department of F type prefabricated component 1 are in the extrusion state, can strengthen water-proof effects like this. The prefabricated pipe is according to underground structure's service function and structural style, considers piping lane symmetry and prefabricated convenience simultaneously, prefabricated four unidimensional F type prefabricated component 1, wherein, prefabricated pore is left to roof 13, bottom plate 13 and side wall 11 junction, and aperture ratio arc bolt 2 diameter is big, the construction of being convenient for, at arc bolt 2 and nut 3 and F type prefabricated component 1's junction, places the gasket, can prevent like this that stress concentration from being crushed, prevents that the concrete from being crushed.
As shown in fig. 5, the steel bar connecting device further comprises a second connecting device, wherein the second connecting device comprises a reserved steel plate 4 and a steel bar 5; the intermediate walls 14 of the two vertically symmetrical F-shaped prefabricated parts 1 are fixedly connected through a second connecting device, the reserved steel plates 4 are fixed on the intermediate walls 14, and two ends of the reinforcing steel bar 5 are respectively fixed on the upper reserved steel plate 4 and the lower reserved steel plate 4. Through the connection of reinforcing bar 5, guarantee that intermediate wall interconnect department of F type prefabricated component 1 forms rigid connection, guarantee its wholeness and bearing capacity, the junction need not waterproof setting. The joint of the reinforcing steel bar 5 and the reserved steel plate 4 is welded, so that the process is simple and the operation is convenient.
The connecting seam A between the end parts of the side walls 11 of the F-shaped prefabricated parts 1 adjacent up and down and the connecting seam B between the end parts of the top plates 13 of the F-shaped prefabricated parts 1 adjacent left and right are socket type tongue-and-groove seams, and the connecting seam C between the intermediate walls 14 of the two F-shaped prefabricated parts 1 which are symmetrical up and down is a flat seam.
As shown in fig. 2 and 6, waterproof layers 6 are disposed on the connection end surfaces of the top plate 13, the bottom plate 12 and the side walls 11 of the F-shaped prefabricated part 1. The waterproof layer 6 comprises two polysulfide sealant 8, water-swellable rubber 9 and an elastic sealing gasket 10, the two polysulfide sealants 8 are respectively arranged on two sides of the end surface of the tongue-and-groove seam, the water-swellable rubber 9 is arranged on the bevel surface of the tongue-and-groove seam, and the elastic sealing gasket 10 is arranged on the end surface of the tongue-and-groove seam close to the interior of the bin body. Through the dead weight of prefab and the produced pressure of arc bolt nut connection, can make waterproof material by the compaction, promote the waterproof performance of component.
The device also comprises a prestressed tendon reserved hole 7; the prestressed tendon reserved holes 7 are formed in the armpit positions of the side walls 11 and the partition wall 14 of the F-shaped prefabricated part 1; be equipped with the prestressed tendons in the prestressed tendons shrinkage pool 7, link to each other adjacent prefabricated pipe in proper order through the prestressed tendons, connect into an integral piping lane.
The diameter of the prestressed tendon reserved hole 7 is larger than that of the arc-shaped bolt 2. Installing arc bolts in the prefabricated parts, reserving holes in the top plate, the bottom plate and the side walls of the F-shaped prefabricated part 1, wherein the diameters of the reserved holes are larger than those of the arc bolts so as to assemble the F-shaped prefabricated part 1 conveniently.
The prestressed tendons are made of high-strength and high-toughness steel strands, and an anti-rust material is coated on the outer layer of the prestressed tendons. All the prefabricated pipes are connected by adopting prestressed tendons through the prestressed tendon reserved holes 7. The connecting problem of the prefabricated parts can be effectively solved, and the deformation capacity of the structure can be improved by adopting the unbonded prestressed tendons.
The utility model discloses an on the basis with the help of assembled structural advantage, compensatied assembled structural connection's shortcoming, adopt one kind mainly to utilize the arc bolt, the mode of equipment component is connected to the nut, utilizes waterproof material can be good to each prefab junction waterproof problem processing.
The assembly method is described below in conjunction with:
the top plates 13 of the following two F-shaped prefabricated components 1 are connected, the arc-shaped bolts 2 penetrate through the pore passages at the joint, the waterproof layers 6 are made at the joint, the gaskets are placed and tightened by the bolts 3, certain pre-tightening force is given to the arc-shaped bolts 2, the side walls 11 and the top plates 13 of the upper left F-shaped prefabricated components and the upper right F-shaped prefabricated components are sequentially connected according to the same process, and the middle partition walls 14 of the four F-shaped prefabricated components are connected by reinforcing steel bars after fine adjustment, so that the assembly of a single prefabricated pipe is completed.
After each prefabricated pipe is connected, each prefabricated pipe is connected through the prestressed tendons to form a whole.
After the main structure is installed, the installation of other structures is carried out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a prefabricated utility tunnel of three cabin symmetries, includes that the prefabricated pipe of multistage connects gradually its characterized in that: each section of the prefabricated pipe comprises four F-shaped prefabricated parts (1), each F-shaped prefabricated part (1) comprises a horizontal bottom plate (12), and a horizontal top plate (13) extends from one end of each bottom plate (12); a vertical side wall (11) is arranged at the other end of the bottom plate, a vertical intermediate wall (14) is arranged between the bottom plate (12) and the top plate (13), and the side wall (11) and the intermediate wall (14) are positioned at the same side of the bottom plate (12) and have the same height; the side walls (11), the middle partition wall (14) and the bottom plate (12) enclose a half bin (15) with an opening on one side, and the top plate (13) and the middle partition wall (14) enclose a quarter bin (16) with openings on two sides;
the four F-shaped prefabricated parts (1) are distributed in a grid shape, two adjacent F-shaped prefabricated parts (1) are symmetrically distributed to form three bin bodies, a half bin (15) of each of the two F-shaped prefabricated parts (1) which are symmetrical up and down forms a complete side bin, and a quarter bin (16) of each of the four F-shaped prefabricated parts (1) forms a complete middle bin.
2. The prefabricated utility tunnel of three cabin symmetries of claim 1, characterized in that: the first connecting device comprises an arc bolt (2) and a nut (3); the end parts of the side walls (11) of the F-shaped prefabricated components (1) adjacent up and down and the end parts of the top plates (13) of the F-shaped prefabricated components (1) adjacent left and right are connected through first connecting devices respectively, one end of each arc-shaped bolt (2) is fixed on one F-shaped prefabricated component (1), and the other end of each arc-shaped bolt is fixed on the adjacent F-shaped prefabricated component (1) through a nut (3).
3. The three-cabin symmetrical prefabricated comprehensive pipe gallery according to claim 1 or 2, characterized in that: the steel bar connecting device further comprises a second connecting device, wherein the second connecting device comprises a reserved steel plate (4) and a steel bar (5); the middle partition walls (14) of the two F-shaped prefabricated parts (1) which are symmetrical up and down are fixedly connected through a second connecting device, the reserved steel plates (4) are fixed on the middle partition walls (14), and two ends of the steel bar (5) are respectively fixed on the upper reserved steel plate (4) and the lower reserved steel plate (4).
4. The prefabricated utility tunnel of three cabin symmetries of claim 3, characterized in that: the connecting seam A between the end parts of the side walls (11) of the F-shaped prefabricated parts (1) which are adjacent up and down and the connecting seam B between the end parts of the top plates (13) of the F-shaped prefabricated parts (1) which are adjacent left and right are both socket-and-spigot type tongue-and-groove seams, and the connecting seam C between the intermediate walls (14) of the two F-shaped prefabricated parts (1) which are symmetrical up and down is a flat seam.
5. The prefabricated utility tunnel of three cabin symmetries of claim 1, characterized in that: waterproof layers (6) are arranged on the connecting end faces of the top plate (13), the bottom plate (12) and the side wall (11) of the F-shaped prefabricated part (1).
6. The prefabricated utility tunnel of three cabin symmetries of claim 5, characterized in that: the waterproof layer (6) comprises two polysulfide sealant (8), water-swellable rubber (9) and an elastic sealing gasket (10), the two polysulfide sealants (8) are respectively arranged on two sides of the end surface of the rabbet seam, the water-swellable rubber (9) is arranged on the bevel face of the rabbet seam, and the elastic sealing gasket (10) is arranged on the end surface of the rabbet seam, which is close to the interior of the bin body.
7. The prefabricated utility tunnel of three cabin symmetries of claim 1, characterized in that: the device also comprises a prestressed tendon reserved hole (7); the prestressed tendon reserved holes (7) are formed in the armpit positions of the side wall (11) and the partition wall (14) of the F-shaped prefabricated part (1); the prestressed tendons are arranged in the prestressed tendon reserved holes (7), and the adjacent prefabricated pipes are sequentially connected through the prestressed tendons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502778.0U CN209975578U (en) | 2019-04-15 | 2019-04-15 | Prefabricated utility tunnel of three cabin symmetries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502778.0U CN209975578U (en) | 2019-04-15 | 2019-04-15 | Prefabricated utility tunnel of three cabin symmetries |
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| Publication Number | Publication Date |
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| CN209975578U true CN209975578U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920502778.0U Expired - Fee Related CN209975578U (en) | 2019-04-15 | 2019-04-15 | Prefabricated utility tunnel of three cabin symmetries |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177045A (en) * | 2020-09-29 | 2021-01-05 | 中铁第四勘察设计院集团有限公司 | Assembly structure of subway wind pavilion and construction method thereof |
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2019
- 2019-04-15 CN CN201920502778.0U patent/CN209975578U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177045A (en) * | 2020-09-29 | 2021-01-05 | 中铁第四勘察设计院集团有限公司 | Assembly structure of subway wind pavilion and construction method thereof |
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