CN112012243A - Prefabricated integrated reinforced concrete inspection well and construction method thereof - Google Patents
Prefabricated integrated reinforced concrete inspection well and construction method thereof Download PDFInfo
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- CN112012243A CN112012243A CN202011031566.2A CN202011031566A CN112012243A CN 112012243 A CN112012243 A CN 112012243A CN 202011031566 A CN202011031566 A CN 202011031566A CN 112012243 A CN112012243 A CN 112012243A
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- connecting sleeve
- pipeline
- wall
- inspection well
- preformed hole
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Lining And Supports For Tunnels (AREA)
Abstract
A prefabricated integrated reinforced concrete inspection well and a construction method thereof comprise an inspection well body and a reserved hole, wherein a pipeline and a connecting sleeve are connected in the reserved hole, the connecting sleeve and the reserved hole are connected through a bonding material, and a plurality of expansion screws are arranged between the connecting sleeve and the wall of the inspection well body; intercepting the pipeline, forming a connecting sleeve at the pipe orifice of the pipeline through a steel mould, drilling a reserved hole on the wall of the inspection well, smearing marble glue or expanded cement mortar on the wall of the reserved hole for one circle, immediately inserting the connecting sleeve into the reserved hole to be tightly compressed, and driving expansion screws on four sides of the connecting sleeve to connect the wall of the well and the connecting sleeve after the initial setting period; the invention has the advantages of simple structure, reasonable design, simple and convenient pipeline installation, short pipeline installation time, high pipeline position accuracy, strong sealing performance, high overall strength and the like.
Description
Technical Field
The invention relates to the technical field of inspection well construction, in particular to a prefabricated integrated reinforced concrete inspection well and a construction method thereof.
Background
The inspection well is arranged for convenient installation and maintenance of power supply, water supply, drainage, communication and other lines of underground infrastructure, is generally arranged at a pipeline intersection, a turning part, a pipe diameter or gradient changing part and a linear pipe section at a certain distance, and is convenient for periodically detecting an attached structure. Traditional inspection shaft installation pipeline, the hole that the pipeline preformed hole was reserved when the inspection shaft preparation, when job site installation pipeline, pipeline disect insertion preformed hole in, then accomplish through the mortar landfill can, but this kind of mode is because the inspection shaft is that the factory is prefabricated, the preformed hole is also reserved in advance, consequently when the job site installation with the butt joint position of pipeline difficult in order to confirm in advance, the deviation is great, the drill way size is difficult to prop the accuse, the butt joint degree of difficulty is big, take over more difficulty temporarily, the pipeline is not closely knit with being connected of the wall of a well, it is insecure, easy water leakage, easy disjointing.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the prefabricated integrated reinforced concrete inspection well which is simple in structure, reasonable in design, simple and convenient in pipeline installation, strong in sealing performance and high in overall strength.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a prefabricated integral type reinforced concrete inspection shaft, includes the inspection shaft body, be equipped with the preformed hole on the wall of a well of inspection shaft body, be connected with the pipeline in the preformed hole, be equipped with appearance and preformed hole assorted adapter sleeve between the mouth of pipe department of pipeline and the preformed hole, be connected through bonding material between the outer wall of adapter sleeve and the pore wall of preformed hole, be equipped with a plurality of inflation screws between the wall of a well of adapter sleeve and inspection shaft body.
Preferably, the connecting sleeve is wedge-shaped, cylindrical or stepped in shape.
Preferably, the diameter of the prepared hole is 5 mm-10 mm larger than the outer diameter of the connecting sleeve.
Preferably, the axial thickness of the connecting sleeve is not less than the thickness of the wall of the inspection well body.
Preferably, the connecting sleeve is made of fine stone steel fiber C30 concrete and is cast and molded at the pipe orifice of the pipeline.
Preferably, the bonding material is marble glue or expanded cement mortar.
Preferably, four expansion screws are arranged between the connecting sleeve and the wall of the inspection well body, and the four expansion screws are respectively arranged on the upper side, the lower side, the left side and the right side of the connecting sleeve.
The invention also provides a construction method of the prefabricated integrated reinforced concrete inspection well, which is high in installation efficiency and high in accuracy of pipeline positions.
The technical scheme adopted by the invention for solving the technical problems is as follows: a construction method of a prefabricated integrated reinforced concrete inspection well comprises the following steps:
step 1: intercepting a pipeline to be constructed, wrapping a steel mould at the pipe orifice of the pipeline, and pouring fine stone fiber C30 concrete in the steel mould to form a connecting sleeve;
step 2: unloading the steel mould, and maintaining the connecting sleeve of the pipe orifice of the pipeline until the strength of the connecting sleeve is qualified;
and step 3: determining the installation position of a pipeline on the wall of a well of the inspection well through measurement, drilling a preformed hole with the shape matched with that of the connecting sleeve at the installation position through drilling equipment, cleaning the preformed hole and drying in the air;
and 4, step 4: smearing marble glue or expanded cement mortar on the wall of the reserved hole for one circle, and immediately inserting the connecting sleeve into the reserved hole to be tightly pressed;
and 5: after the initial setting period, the expansion screws are driven into the four sides of the connecting sleeve to connect the well wall and the connecting sleeve.
Preferably, the length of the pipeline cut in step 1 is 1 m.
The invention has the beneficial effects that:
1. the connecting sleeve matched with the reserved hole is formed by pouring a fine stone steel fiber C30 concrete material at the pipe orifice of the pipeline, the connecting sleeve is connected with the reserved hole through the connecting sleeve, marble glue or expanded cement mortar is coated between the connecting sleeve and the reserved hole, an expanded screw is arranged between the connecting sleeve and the well wall, the firmness of pipeline installation is enhanced greatly, and compared with the traditional structure and installation mode, the anti-pulling force of the pipeline installation structure disclosed by the invention is up to more than 12 MPa;
2. the connecting sleeve adopts a wedge shape or a cylindrical shape or a step shape, so that the connecting sleeve is convenient to install and connect with the reserved hole, the sealing property between the pipeline and the well wall is improved, and compared with the traditional structure and installation mode, the water permeability of the invention is less than 5%;
3. the connecting sleeve is designed at the pipe orifice of the pipeline, then the preformed hole is arranged on the wall of the inspection well according to requirements, the situations that the position of the preformed hole for butt joint of the inspection well and the pipeline is difficult to determine in advance, the deviation is large, the size of an orifice is difficult to support and control, the butt joint difficulty is large, and the temporary pipe connection is difficult are avoided, the time for installing the pipeline is shortened, compared with the traditional structure and installation mode, the accuracy rate of the position of the pipeline is more than 98%, and the use time of the installation is less than 4 hours.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the connection of the connecting sleeve of the present invention with the borehole wall;
FIG. 3 is a schematic structural view A of the connecting sleeve and the preformed hole of the present invention;
FIG. 4 is a schematic structural view B of the connecting sleeve and the preformed hole of the invention;
fig. 5 is a schematic structural view C of the connecting sleeve and the prepared hole of the invention.
In the figure: 1. an inspection well body; 2. a well wall; 3. reserving a hole; 4. a pipeline; 5. connecting sleeves; 6. a bonding material; 7. and (4) expanding the screw.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings.
Example 1:
the prefabricated integrated reinforced concrete inspection well as shown in figures 1 to 3 comprises an inspection well body 1, wherein a preformed hole 3 is formed in a well wall 2 of the inspection well body 1, a pipeline 4 is connected in the preformed hole 3, a connecting sleeve 5 with the shape matched with the preformed hole 3 is arranged between a pipe orifice of the pipeline 4 and the preformed hole 3, the connecting sleeve 5 is made of fine stone steel fiber C30 concrete and is formed by pouring at a pipe orifice of the pipeline 4, the connecting sleeve 5 is wedge-shaped, the diameter of the preformed hole 3 is 7mm larger than the outer diameter of the connecting sleeve 5, the axial thickness of the connecting sleeve 5 is not smaller than the thickness of the well wall 2 of the inspection well body 1, the outer wall of the connecting sleeve 5 is connected with the wall of the preformed hole 3 through a bonding material 6, the bonding material 6 is marble glue or expansion cement mortar, four expansion screws 7 are arranged between the connecting sleeve 5 and the well wall 2 of the inspection well body 1, the four expansion screws 7 are respectively arranged on the upper side, the lower side, the left side and the right side of the connecting sleeve 5.
A construction method of a prefabricated integrated reinforced concrete inspection well comprises the following steps:
step 1: intercepting a pipeline 4 to be constructed, wherein the intercepted length of the pipeline 4 is 1m, wrapping a steel mould at the pipe orifice of the pipeline 4, and pouring fine stone steel fiber C30 concrete in the steel mould to form a connecting sleeve 5;
step 2: unloading the steel die, and maintaining the connecting sleeve 5 at the pipe orifice of the pipeline 4 until the strength of the connecting sleeve 5 is qualified;
and step 3: determining the installation position of a pipeline 4 on the wall 2 of the inspection well through measurement, drilling a preformed hole 3 with the shape matched with that of a connecting sleeve 5 at the installation position through drilling equipment, cleaning the preformed hole 3 and air-drying;
and 4, step 4: smearing marble glue or expanded cement mortar on one circle of the hole wall of the preformed hole 3, and immediately inserting the connecting sleeve 5 into the preformed hole 3 to be tightly pressed;
and 5: after the initial setting period, the expansion screws 7 are driven into the four sides of the connecting sleeve 5 to connect the well wall 2 and the connecting sleeve 5.
Example 2:
the prefabricated integrated reinforced concrete inspection well as shown in figures 1, 2 and 4 comprises an inspection well body 1, wherein a reserved hole 3 is formed in a well wall 2 of the inspection well body 1, a pipeline 4 is connected in the reserved hole 3, a connecting sleeve 5 with the shape matched with the reserved hole 3 is arranged between a pipe orifice of the pipeline 4 and the reserved hole 3, the connecting sleeve 5 is made of fine stone steel fiber C30 concrete and is formed by pouring at a pipe orifice of the pipeline 4, the connecting sleeve 5 is cylindrical, the diameter of the reserved hole 3 is 5mm larger than the outer diameter of the connecting sleeve 5, the axial thickness of the connecting sleeve 5 is not smaller than the thickness of the well wall 2 of the inspection well body 1, the outer wall of the connecting sleeve 5 is connected with the wall of the reserved hole 3 through a bonding material 6, the bonding material 6 is marble glue or expanded cement mortar, four expansion screws 7 are arranged between the connecting sleeve 5 and the well wall 2 of the inspection well body 1, the four expansion screws 7 are respectively arranged on the upper side, the lower side, the left side and the right side of the connecting sleeve 5.
A construction method of a prefabricated integrated reinforced concrete inspection well comprises the following steps:
step 1: intercepting a pipeline 4 to be constructed, wherein the intercepted length of the pipeline 4 is 1m, wrapping a steel mould at the pipe orifice of the pipeline 4, and pouring fine stone steel fiber C30 concrete in the steel mould to form a connecting sleeve 5;
step 2: unloading the steel die, and maintaining the connecting sleeve 5 at the pipe orifice of the pipeline 4 until the strength of the connecting sleeve 5 is qualified;
and step 3: determining the installation position of a pipeline 4 on the wall 2 of the inspection well through measurement, drilling a preformed hole 3 with the shape matched with that of a connecting sleeve 5 at the installation position through drilling equipment, cleaning the preformed hole 3 and air-drying;
and 4, step 4: smearing marble glue or expanded cement mortar on one circle of the hole wall of the preformed hole 3, and immediately inserting the connecting sleeve 5 into the preformed hole 3 to be tightly pressed;
and 5: after the initial setting period, the expansion screws 7 are driven into the four sides of the connecting sleeve 5 to connect the well wall 2 and the connecting sleeve 5.
Example 3:
the prefabricated integrated reinforced concrete inspection well as shown in figures 1, 2 and 5 comprises an inspection well body 1, wherein a reserved hole 3 is formed in a well wall 2 of the inspection well body 1, a pipeline 4 is connected in the reserved hole 3, a connecting sleeve 5 with the shape matched with the reserved hole 3 is arranged between a pipe orifice of the pipeline 4 and the reserved hole 3, the connecting sleeve 5 is made of fine stone steel fiber C30 concrete and is formed by pouring at a pipe orifice of the pipeline 4, the connecting sleeve 5 is in a step shape, the diameter of the reserved hole 3 is 10mm larger than the outer diameter of the connecting sleeve 5, the axial thickness of the connecting sleeve 5 is not smaller than the thickness of the well wall 2 of the inspection well body 1, the outer wall of the connecting sleeve 5 is connected with the wall of the reserved hole 3 through a bonding material 6, the bonding material 6 is marble glue or expanded cement mortar, four expansion screws 7 are arranged between the connecting sleeve 5 and the well wall 2 of the inspection well body 1, the four expansion screws 7 are respectively arranged on the upper side, the lower side, the left side and the right side of the connecting sleeve 5.
A construction method of a prefabricated integrated reinforced concrete inspection well comprises the following steps:
step 1: intercepting a pipeline 4 to be constructed, wherein the intercepted length of the pipeline 4 is 1m, wrapping a steel mould at the pipe orifice of the pipeline 4, and pouring fine stone steel fiber C30 concrete in the steel mould to form a connecting sleeve 5;
step 2: unloading the steel die, and maintaining the connecting sleeve 5 at the pipe orifice of the pipeline 4 until the strength of the connecting sleeve 5 is qualified;
and step 3: determining the installation position of a pipeline 4 on the wall 2 of the inspection well through measurement, drilling a preformed hole 3 with the shape matched with that of a connecting sleeve 5 at the installation position through drilling equipment, cleaning the preformed hole 3 and air-drying;
and 4, step 4: smearing marble glue or expanded cement mortar on one circle of the hole wall of the preformed hole 3, and immediately inserting the connecting sleeve 5 into the preformed hole 3 to be tightly pressed;
and 5: after the initial setting period, the expansion screws 7 are driven into the four sides of the connecting sleeve 5 to connect the well wall 2 and the connecting sleeve 5.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the invention as set forth in the claims.
Claims (9)
1. The utility model provides a prefabricated integral type reinforced concrete inspection shaft, includes inspection shaft body (1), be equipped with preformed hole (3) on the wall of a well (2) of inspection shaft body (1), its characterized in that: the utility model discloses a well wall of inspection shaft, including preformed hole (3), be equipped with between the mouth of pipe department and the preformed hole (3) of pipeline (4) have pipeline (4) in connected, be equipped with appearance and preformed hole (3) assorted adapter sleeve (5), be connected through bonding material (6) between the outer wall of adapter sleeve (5) and the pore wall of preformed hole (3), be equipped with a plurality of inflation screws (7) between the wall of a well (2) of adapter sleeve (5) and inspection shaft body (1).
2. The prefabricated integrated reinforced concrete inspection well according to claim 1, wherein: the connecting sleeve (5) is wedge-shaped or cylindrical or step-shaped in appearance.
3. The prefabricated integrated reinforced concrete inspection well according to claim 1, wherein: the diameter of the preformed hole (3) is 5-10 mm larger than the outer diameter of the connecting sleeve (5).
4. The prefabricated integrated reinforced concrete inspection well according to claim 1, wherein: the axial thickness of the connecting sleeve (5) is not less than the thickness of the well wall (2) of the inspection well body (1).
5. The prefabricated integrated reinforced concrete inspection well according to claim 1, wherein: the connecting sleeve (5) is made of fine stone steel fiber C30 concrete and is cast and molded at the pipe orifice of the pipeline (4).
6. The prefabricated integrated reinforced concrete inspection well according to claim 1, wherein: the bonding material (6) is marble glue or expanded cement mortar.
7. The prefabricated integrated reinforced concrete inspection well according to claim 1, wherein: four expansion screws (7) are arranged between the connecting sleeve (5) and the well wall (2) of the inspection well body (1), and the four expansion screws (7) are respectively arranged on the upper side, the lower side, the left side and the right side of the connecting sleeve (5).
8. A construction method of a prefabricated integrated reinforced concrete manhole as claimed in any one of claims 1 to 7, wherein: the method comprises the following steps:
step 1: intercepting a pipeline (4) to be constructed, wrapping a steel mould at the pipe orifice of the pipeline (4), and pouring fine stone steel fiber C30 concrete in the steel mould to form a connecting sleeve (5);
step 2: unloading the steel die, and maintaining the connecting sleeve (5) at the pipe orifice of the pipeline (4) until the strength of the connecting sleeve (5) is qualified;
and step 3: determining the installation position of the pipeline (4) on the well wall (2) of the inspection well through measurement, drilling a preformed hole (3) with the shape matched with that of the connecting sleeve (5) at the installation position through drilling equipment, cleaning the preformed hole (3) and air-drying;
and 4, step 4: smearing marble glue or expanded cement mortar on one circle of the wall of the preformed hole (3), and immediately inserting the connecting sleeve (5) into the preformed hole (3) to be tightly pressed;
and 5: after the initial setting period, the expansion screws (7) are driven into the four sides of the connecting sleeve (5) to connect the well wall (2) and the connecting sleeve (5).
9. The construction method of the prefabricated integrated reinforced concrete inspection well according to claim 8, wherein: the length intercepted by the pipeline (4) in the step 1 is 1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011031566.2A CN112012243A (en) | 2020-09-27 | 2020-09-27 | Prefabricated integrated reinforced concrete inspection well and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011031566.2A CN112012243A (en) | 2020-09-27 | 2020-09-27 | Prefabricated integrated reinforced concrete inspection well and construction method thereof |
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| CN112012243A true CN112012243A (en) | 2020-12-01 |
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| CN202011031566.2A Pending CN112012243A (en) | 2020-09-27 | 2020-09-27 | Prefabricated integrated reinforced concrete inspection well and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818540A (en) * | 2021-09-27 | 2021-12-21 | 郑州一建集团有限公司 | Prefabricated inspection well and concrete pipeline connecting device and connecting process |
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2020
- 2020-09-27 CN CN202011031566.2A patent/CN112012243A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113818540A (en) * | 2021-09-27 | 2021-12-21 | 郑州一建集团有限公司 | Prefabricated inspection well and concrete pipeline connecting device and connecting process |
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