CN216892720U - Mounting structure of prefabricated assembled drainage rectangular pipe of urban underground road - Google Patents
Mounting structure of prefabricated assembled drainage rectangular pipe of urban underground road Download PDFInfo
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- CN216892720U CN216892720U CN202220281635.3U CN202220281635U CN216892720U CN 216892720 U CN216892720 U CN 216892720U CN 202220281635 U CN202220281635 U CN 202220281635U CN 216892720 U CN216892720 U CN 216892720U
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model relates to an installation structure of prefabricated assembled drainage rectangular pipes of an urban underground road, and relates to the field of drainage engineering. Cement mortar is adopted to fix the prefabricated rectangular pipes in the concave grooves of the underground road bottom plate, the underground road side walls, the underground road bottom plate and the prefabricated rectangular pipes are utilized to form outer templates of side wall fillers and bottom plate fillers, the side wall fillers and the bottom plate fillers are cast in situ to form a base layer of an underground road pavement layer and an access road pavement layer, the underground road pavement layer, the prefabricated wedge-shaped flat stones, the underground road surface layer, the access road pavement layer and the access road surface layer are installed, and finally the prefabricated assembly type drainage rectangular pipes of the urban underground road are installed. During construction, the installation of the underground road drainage rectangular pipe can be completed only by pouring a small amount of concrete on site, and the underground road drainage rectangular pipe has the advantages of convenience in installation, attractive appearance, strong fault tolerance and quality assurance.
Description
Technical Field
The utility model relates to an installation structure of prefabricated assembled drainage rectangular pipes of an urban underground road, relates to the field of drainage engineering, and particularly relates to the installation structure of the prefabricated assembled drainage rectangular pipes of the urban underground road.
Background
With the accelerated development of novel urbanization, the problem that urban traffic is blocked and inconvenient to pass is increasingly highlighted due to continuous gathering of personnel, in order to save land, more cities continuously seek and utilize underground space resources, and a large number of urban underground roads are built. With the increase of underground road engineering, the problems of drainage facilities are also gradually paid high attention. At present, most of urban underground road drainage side ditches are constructed by a cast-in-place method, and the problems of large field construction workload, more working procedures, difficult quality guarantee, high construction cost and the like exist. Therefore, we propose an installation structure of prefabricated assembled drainage rectangular pipes for urban underground roads to solve the above problems.
Disclosure of Invention
The purpose of the utility model is: the installation structure of the prefabricated assembled drainage rectangular pipe of the urban underground road is provided, on-site concrete pouring construction is avoided, the construction time is shortened, the construction difficulty is reduced, and the construction quality and the attractive appearance of a drainage side ditch are ensured.
The utility model is realized by the following technologies: the mounting structure of the prefabricated assembled drainage rectangular pipe of the urban underground road mainly comprises components such as a prefabricated rectangular pipe 1, a drainage grid 2, drainage pipe mortar 3, prefabricated wedge-shaped flat stones 4, flat stone mortar 5, underground road side walls 6, an underground road bottom plate 7, side wall fillers 8, bottom plate fillers 9, an access road surface layer 10, an access road pavement layer 11, an underground road surface layer 12, an underground road pavement layer 13 and the like.
The prefabricated rectangular pipe 1 is prefabricated in a prefabrication factory in sections in advance, the length of each section is 995mm, the total height of the outer contour is 1180mm, the wall thickness is 80mm, the width of a seam between the sections is 5mm, and the prefabricated rectangular pipe is made of reinforced concrete.
The drainage grid 2 is arranged on the side wall of the prefabricated rectangular pipe 1, the drainage grid 2 is in a waist circle shape, the width of the drainage grid is 50mm, the height of the drainage grid is 330mm, and the distance of the drainage grid is 150 mm.
The prefabricated wedge-shaped flat stone 4 is prefabricated in a prefabrication factory in advance in a blocking mode, the length of each block is 495mm, the prefabricated wedge-shaped flat stone is made of concrete, and the top surface cross slope ratio is one percent larger than the road surface cross slope.
The maintenance road surface layer 10 adopts weather-proof color cement-based self-leveling and has the thickness of 5 mm.
The overhaul road pavement layer 11 is made of fine stone concrete, the thickness of the fine stone concrete is 40mm, and a No. 20 steel wire mesh is paved inside the fine stone concrete.
When the underground road base plate 7 is constructed, a concave groove for installing the prefabricated rectangular pipe 1 is reserved, the depth of the concave groove is 635mm, and the top width is 1755 mm.
After the prefabricated rectangular pipe 1 is installed, the side wall filler 8 and the bottom plate filler 9 are symmetrically poured on the left side and the right side.
The utility model has the advantages that the groove on the bottom plate of the underground road structure is utilized to install the drain pipe prefabricated in advance, the phenomenon of field large-scale wet operation in the traditional method is avoided, the construction cost is reduced, the construction time is shortened, the construction difficulty is reduced, the construction of the drain facility can be completed only by a simple hoisting process, and the utility model has the advantages of convenient installation, beautiful appearance, strong fault tolerance and quality assurance.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
In the figure: 1-prefabricated rectangular pipe, 2-drainage grille, 3-drainage pipe mortar, 4-prefabricated wedge-shaped flat stone, 5-flat stone mortar, 6-underground road side wall, 7-underground road bottom plate, 8-side wall filler, 9-bottom plate filler, 10-access road surface layer, 11-access road pavement layer, 12-underground road surface layer and 13-underground road pavement layer.
Detailed Description
The technical solutions in the embodiments of the present invention are described in detail below.
On the construction site, the main structure of the underground road frame bridge is firstly constructed. When the underground road bottom plate 7 is manufactured, a concave groove is formed, the width of the bottom of the concave groove is 750mm, the width of the top of the concave groove is 1755mm, and the depth of the concave groove is 635 mm. After the concrete strength of the side wall 6 of the underground road and the bottom plate 7 of the underground road meets the requirement, the construction of the next working procedure can be carried out.
After the construction of the side wall 6 of the underground road and the bottom plate 7 of the underground road is completed and the construction is qualified, the mortar 3 of the drain pipe is fully paved at the bottom of the concave groove, the thickness is 20mm, then the prefabricated rectangular pipes 1 are accurately placed in position according to the designed position by using small-sized hoisting equipment, the seam width of two adjacent sections of the prefabricated rectangular pipes 1 is 5mm, and the mortar is used for jointing.
And after the prefabricated rectangular pipe 1 is installed in place and is qualified through inspection, pouring side wall filler 8 and bottom plate filler 9. When pouring construction is carried out, the left side and the right side are symmetrically and evenly carried out, when the pouring height reaches the top surface of the bottom plate filler 9, construction of the side wall filler 8 is suspended, the poured side wall filler 8 and the poured bottom plate filler 9 are maintained, when the strength meets the requirement, the rest part of concrete of the side wall filler 8 is poured, and maintenance is carried out.
After the side wall filler 8 and the bottom plate filler 9 are constructed and inspected to be qualified, the underground road pavement layer 13 starts to be constructed, then the flat stone mortar 5 is laid at the corresponding position of the top surface of the underground road pavement layer 13, the prefabricated wedge-shaped flat stones 4 are installed, the width of a seam between every two blocks is 5mm, and the cement mortar is adopted for jointing.
And applying an underground road surface layer 12, and paying attention to protect the prefabricated wedge-shaped flat stone 4 during construction so as to ensure that the prefabricated wedge-shaped flat stone is not damaged by construction machinery.
And (3) inspecting the side wall filler 8 and the prefabricated rectangular pipe 1, fully paving the overhaul channel pavement layer 11 after the top surface is parallel and level and the strength meets the requirement, paving a No. 20 steel wire mesh inside, and covering a film after the surface is collected and maintaining until the strength is qualified. Then, constructing the surface layer 10 of the maintenance road, wherein the material is weather-proof color cement-based self-leveling and the thickness is 5mm, and the thickness distribution of the surface layer 10 of the maintenance road needs to be accurately controlled to ensure the smoothness of the top surface because the thickness is smaller.
The cement-based self-leveling of the maintenance access road surface course 10 is realized, and after the strength reaches the design requirement, sundries in the prefabricated rectangular pipes 1 are removed, so that the installation of the prefabricated assembled drainage rectangular pipes of the underground road is completed.
Claims (4)
1. The utility model provides an installation structure of prefabricated assembled drainage rectangular pipe of urban underground road, mainly includes: the method comprises the following steps of prefabricating a rectangular pipe (1), a drainage grid (2), drainage pipe mortar (3), prefabricated wedge-shaped flat stones (4), flat stone mortar (5), underground road side walls (6), an underground road bottom plate (7), side wall fillers (8), bottom plate fillers (9), an access road surface layer (10), an access road pavement layer (11), an underground road surface layer (12) and an underground road pavement layer (13); the method is characterized in that: the method comprises the steps of fixing prefabricated rectangular pipes (1) in concave grooves of an underground road base plate (7) by using drain pipe mortar (3), forming outer templates of side wall fillers (8) and base plate fillers (9) by using underground road side walls (6), the underground road base plate (7) and the prefabricated rectangular pipes (1), pouring the side wall fillers (8) and the base plate fillers (9) in situ to form a base layer of an underground road pavement layer (13) and an overhaul road pavement layer (11), and installing prefabricated wedge-shaped flat stones (4), an underground road surface layer (12) and an overhaul road surface layer (10).
2. The installation structure of the prefabricated assembled drainage rectangular pipe for the urban underground road as claimed in claim 1, wherein: the prefabricated rectangular pipe (1) is prefabricated in a prefabrication factory in sections in advance, wherein the length of each section is 995mm, and the prefabricated rectangular pipe is made of reinforced concrete; set up drainage grid (2) on prefabricated rectangular pipe (1) lateral wall, drainage grid (2) are oval shape, and the width is 50mm, and highly is 330mm, and the interval is 150 mm.
3. The installation structure of the prefabricated assembled drainage rectangular pipe for the urban underground road as claimed in claim 1, wherein: the prefabricated wedge-shaped flat stone (4) is prefabricated in a prefabrication factory in advance in blocks, the length of each block is 495mm, and the prefabricated wedge-shaped flat stone is made of concrete; the top surface transverse slope of the prefabricated wedge-shaped flat stone (4) is one percent larger than the road surface transverse slope.
4. The installation structure of the prefabricated assembled drainage rectangular pipe for the urban underground road as claimed in claim 1, wherein: the maintenance road surface layer (10) adopts weather-resistant color cement-based self-leveling and has the thickness of 5 mm; the pavement layer (11) of the maintenance road is made of fine aggregate concrete, and the thickness of the fine aggregate concrete is 40 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220281635.3U CN216892720U (en) | 2022-02-11 | 2022-02-11 | Mounting structure of prefabricated assembled drainage rectangular pipe of urban underground road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220281635.3U CN216892720U (en) | 2022-02-11 | 2022-02-11 | Mounting structure of prefabricated assembled drainage rectangular pipe of urban underground road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216892720U true CN216892720U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220281635.3U Active CN216892720U (en) | 2022-02-11 | 2022-02-11 | Mounting structure of prefabricated assembled drainage rectangular pipe of urban underground road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216892720U (en) |
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2022
- 2022-02-11 CN CN202220281635.3U patent/CN216892720U/en active Active
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