CN211646476U - Prefabricated assembled concrete anti-floating inspection well - Google Patents
Prefabricated assembled concrete anti-floating inspection well Download PDFInfo
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- CN211646476U CN211646476U CN202020055764.1U CN202020055764U CN211646476U CN 211646476 U CN211646476 U CN 211646476U CN 202020055764 U CN202020055764 U CN 202020055764U CN 211646476 U CN211646476 U CN 211646476U
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Abstract
The utility model relates to an anti inspection shaft that floats of prefabricated assembled concrete mainly relates to municipal works construction and overhauls technical field, and it includes prefabricated inspection shaft body, prefabricated inspection shaft body includes prefabricated well room, the indoor anti mechanism that floats that is used for introducing the interior discharge of prefabricated well room with groundwater in order to reduce ground water level rising to produce the jacking force to prefabricated well room that is provided with of prefabricated well. The utility model discloses can effectively reduce the jacking force that ground water level risees and produce prefabricated inspection shaft body, avoid the inhomogeneous settlement of prefabricated inspection shaft body, increase urban road's roughness and driving comfort level, and the whole connection safe and reliable, convenient and practical.
Description
Technical Field
The utility model belongs to the technical field of municipal works construction maintenance technique and specifically relates to a prefabricated assembled concrete anti inspection shaft that floats is related to.
Background
With the rapid development of urban economy, urban traffic volume has multiplied, resulting in overwhelming many roads, exposing many problems, especially for inspection wells. As most inspection wells built in China before are built by bricks and formed by casting in place, and a plurality of inspection wells have serious leakage, the local or integral settlement around the road inspection well is particularly prominent, the urban environment is influenced, and inconvenience is brought to people when people go out.
At present, the urban road construction begins to use the prefabricated concrete inspection well, the integral impermeability of the prefabricated concrete inspection well is greatly improved, and leakage can be effectively avoided. In the prior art, the prefabricated assembled concrete inspection well usually comprises a well ring and a well chamber, wherein the well ring and the well chamber are prefabricated in a factory, prefabricated components in the factory are transported to the site and assembled according to a drawing, the demand of workers in the first line of construction can be reduced, the labor intensity of the workers is reduced, meanwhile, the quality can be guaranteed through convenient and orderly cross operation, and pollution such as dust, noise, sewage and the like is avoided.
The above prior art solutions have the following drawbacks: because the underground water level fluctuates indefinitely, especially when the underground water level rises, the jacking force can be generated on the prefabricated concrete inspection well, so that the prefabricated concrete inspection well is not uniformly settled, the flatness of the urban road is reduced, and the driving comfort level is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an it is not enough to prior art existence, the utility model aims at providing an anti inspection shaft that floats of prefabricated assembled concrete can effectively reduce ground water level and rise the jacking force that produces the prefabricated inspection shaft body, avoids the inhomogeneous settlement of prefabricated inspection shaft body, increases urban road's roughness and driving comfort level.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a prefabricated assembled concrete anti inspection shaft that floats, includes prefabricated inspection shaft body, prefabricated inspection shaft body includes prefabricated well room, be provided with in the prefabricated well room and be used for introducing groundwater prefabricated well indoor discharge in order to reduce ground water level and rise the anti mechanism that floats that produces the jacking force to prefabricated well room.
Through adopting above-mentioned technical scheme, when groundwater level risees and surpasss safe water level, the groundwater accessible that surpasss safe water level is anti to float the mechanism and gets into in the prefabricated well room to discharge through the prefabricated well room, can effectively reduce groundwater level and rise the jacking force that produces the prefabricated inspection shaft body, avoid the inhomogeneous settlement of prefabricated inspection shaft body, increase urban road's roughness and driving comfort level.
The present invention may be further configured in a preferred embodiment as: the anti-floating mechanism comprises a water conduit for introducing underground water into the prefabricated well chamber, a prefabricated bottom plate is arranged at the lower end of the prefabricated well chamber, a through hole for communicating the interior of the prefabricated well chamber with the outside is formed in the prefabricated bottom plate in the vertical direction, the inlet end of the water conduit is connected to the through hole in a sealing mode, and the outlet end of the water conduit extends into the prefabricated well chamber in the vertical direction.
Through adopting above-mentioned technical scheme, make the groundwater that surpasss safe water level can get into the prefabricated well room through the leading water pipe in, realize stepping down groundwater to reduce the jacking force of groundwater to the prefabricated well room production.
The present invention may be further configured in a preferred embodiment as: the cross sections of the prefabricated well chamber and the prefabricated bottom plate are circular, the prefabricated well chamber and the prefabricated bottom plate are coaxially arranged, and the edge of the prefabricated bottom plate extends along the radial direction to form a flange with the outer diameter larger than that of the prefabricated well chamber.
By adopting the technical scheme, the prefabricated well chamber and the prefabricated bottom plate are coaxially arranged, so that the prefabricated well chamber and the prefabricated bottom plate are convenient to process and manufacture; and through setting up the edge of a wing, can increase the basal area of prefabricated bottom plate, increase with the area of contact on ground, promote support intensity, reduce road surface vehicle to the impact force of prefabricated inspection shaft body, prolong the life of prefabricated inspection shaft body.
The present invention may be further configured in a preferred embodiment as: and the side walls of the two sides of the lower part of the prefabricated well chamber are respectively provided with a pipeline connecting hole for connecting a pipeline along the horizontal direction, and the outlet end of the water conduit is higher than the pipeline connecting holes.
By adopting the technical scheme, the underground water introduced into the prefabricated well chamber can be discharged through the pipeline connecting hole by arranging the pipeline connecting hole, and the prefabricated well chamber is conveniently connected with an underground pipeline; because the outlet end of the water conduit is higher than the pipeline connecting hole, the pressure difference principle can be utilized to conduct drainage and depressurization on the underground water, and the underground water is convenient to discharge.
The present invention may be further configured in a preferred embodiment as: the height of the outlet end of the water conduit is 1.5-2 times of the inner diameter of the pipeline connecting hole.
By adopting the technical scheme, when the groundwater level exceeds 1.5-2 times of the inner diameter of the pipeline connecting hole, groundwater automatically flows into the prefabricated well chamber through the water conduit, so that the jacking force of the groundwater on the prefabricated well chamber is reduced, and the uneven settlement of the prefabricated inspection well body is avoided.
The present invention may be further configured in a preferred embodiment as: the prefabricated well chamber comprises an upper well chamber and a lower well chamber, the prefabricated bottom plate is arranged at the lower end of the lower well chamber, the pipeline connecting hole is formed in the lower portion of the lower well chamber, and the upper end of the lower well chamber is connected with the lower end of the upper well chamber in a sealing mode.
Through adopting above-mentioned technical scheme, realize the sectional type prefabrication, be convenient for processing, transportation and equipment, and the junction adopts sealing connection, guarantees the antiseep performance.
The present invention may be further configured in a preferred embodiment as: the prefabricated inspection well body further comprises a prefabricated well ring and a prefabricated well shaft adjusting block, the lower end of the prefabricated well shaft adjusting block is connected with the upper end of the upper well chamber in a sealing mode, and the upper end of the prefabricated well shaft adjusting block is connected with the lower end of the prefabricated well ring in a sealing mode.
Through adopting above-mentioned technical scheme, realize the sectional type prefabrication, be convenient for processing, transportation and equipment, and the junction adopts sealing connection, guarantees the antiseep performance.
The present invention may be further configured in a preferred embodiment as: the prefabricated well chamber further comprises a well chamber adjusting block, and the upper end and the lower end of the well chamber adjusting block are respectively connected with the lower end of the upper well chamber and the upper end of the lower well chamber in a sealing mode.
Through adopting above-mentioned technical scheme, utilize well room regulating block to realize the regulation to well room height to satisfy all applicable to the job site of the different degree of depth, application scope is wide, adopts the sectional type prefabrication simultaneously, and be convenient for processing, transportation and equipment, and the junction adopts sealing connection, guarantees the antiseep performance.
To sum up, the utility model discloses a following at least one useful technological effect:
1. by arranging the anti-floating mechanism, the jacking force generated by the rising of the underground water level on the prefabricated inspection well body can be effectively reduced, the uneven settlement of the prefabricated inspection well body is avoided, and the flatness and the driving comfort of urban roads are improved;
2. the prefabricated well chamber and the prefabricated bottom plate are coaxially arranged, so that the prefabricated well chamber and the prefabricated bottom plate are convenient to process and manufacture; the flange is arranged, so that the bottom area of the prefabricated bottom plate can be increased, the contact area with the ground can be increased, the supporting strength can be improved, the impact force of road pavement vehicles on the prefabricated inspection well body can be reduced, and the service life of the prefabricated inspection well body can be prolonged;
3. by reasonably setting the height of the outlet end of the water conduit, when the groundwater level exceeds 1.5-2 times of the inner diameter of the pipeline connecting hole, groundwater automatically flows into the prefabricated well chamber through the water conduit, so that the jacking force of the groundwater on the prefabricated well chamber is reduced, and the non-uniform settlement of the prefabricated inspection well body is avoided;
4. realize the sectional type prefabrication, not only can shorten the time limit for a project, the pollution abatement, be convenient for moreover processing, transportation and equipment, the junction adopts sealing connection simultaneously, guarantees the antiseep performance.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
3 FIG. 3 2 3 is 3 a 3 schematic 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3
FIG. 3 is a schematic sectional view taken along line B-B of FIG. 1;
fig. 4 is a schematic structural diagram of a prefabricated well chamber in the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view taken along line C-C of FIG. 5;
fig. 7 is a schematic structural diagram of a prefabricated well chamber in the second embodiment of the present invention.
In the figure, 1, a prefabricated inspection well body, 11, a prefabricated well chamber, 111, a prefabricated bottom plate, 1111, a through hole, 1112, flanges, 112, a pipeline connecting hole, 113, an upper well chamber, 114, a lower well chamber, 115, a well chamber adjusting block, 12, a prefabricated well ring, 13, a prefabricated well shaft adjusting block, 2, a water conduit, 21, an extension section, 3 and a mounting hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, the utility model discloses an anti inspection shaft that floats of prefabricated assembled concrete, including prefabricated inspection shaft body 1, prefabricated inspection shaft body 1 includes prefabricated well room 11, and prefabricated well room 11 internal fixation has and is used for discharging in the prefabricated well room 11 with the groundwater introduction in order to reduce the groundwater level rise to the anti mechanism that floats of prefabricated well room 11 production jacking force. When groundwater level risees and surpasss safe water level, the groundwater accessible that surpasss safe water level is anti floats in the mechanism gets into prefabricated well room 11 to discharge through prefabricated well room 11, can effectively reduce groundwater level and rise the jacking force to prefabricated inspection shaft body 1 production, avoid the inhomogeneous settlement of prefabricated inspection shaft body 1, increase urban road's roughness and driving comfort.
Referring to fig. 1 and 2, the anti-floating mechanism comprises a water conduit 2 for introducing groundwater into the prefabricated well chamber 11, a prefabricated bottom plate 111 is integrally formed at the lower end of the prefabricated well chamber 11, a through hole 1111 for communicating the interior of the prefabricated well chamber 11 with the outside is arranged on the prefabricated bottom plate 111 in the vertical direction, the inlet end of the water conduit 2 is hermetically connected to the through hole 1111, the outlet end of the water conduit 2 extends into the prefabricated well chamber 11 in the vertical direction, so that groundwater exceeding the safe water level can enter the prefabricated well chamber 11 through the water conduit 2, the groundwater is reduced in pressure, and the jacking force generated by the groundwater on the prefabricated well chamber 11 is reduced. In this embodiment, the water conduit 2 is a hard pipe made of polyvinyl chloride material, so that the hard pipe can be perpendicular to the prefabricated bottom plate 111, of course, a water conduit fixing frame (not shown in the figure) can be installed on the inner wall of the prefabricated well chamber 11 corresponding to the outlet end of the water conduit 2, the outlet end of the water conduit 2 is fixed on the water conduit fixing frame to improve the supporting and positioning effects on the water conduit 2, and the outlet end of the water conduit 2 is provided with an extension part 21 which extends downwards after being bent to facilitate the introduction of groundwater; the inlet end of the water conduit 2 is hermetically connected with the through hole 1111 through strong glue or a water-swelling water stop strip so as to ensure the anti-seepage effect; according to the change of the groundwater level, the water conduit 2 can be set to be one or two or more, and the number of the through holes 1111 on the prefabricated bottom plate 111 corresponds to the number of the water conduit 2 one by one.
Referring to fig. 2 and 3, the cross sections of the prefabricated well chamber 11 and the prefabricated base plate 111 are both circular, and the prefabricated well chamber 11 and the prefabricated base plate 111 are coaxially arranged, so that the prefabricated well chamber and the prefabricated base plate are convenient to manufacture and assemble; the edge of the prefabricated bottom plate 111 extends along the radial direction to form a flange 1112 with an outer diameter larger than that of the prefabricated well chamber 11, and by arranging the flange 1112, the bottom area of the prefabricated bottom plate 111 can be increased, the contact area with the ground is increased, the supporting strength is improved, the impact force of road surface vehicles on the prefabricated inspection well body 1 is reduced, and the service life of the prefabricated inspection well body 1 is prolonged.
Referring to fig. 1 and 2, pipe connection holes 112 for connecting pipes are respectively formed in the side walls of both sides of the lower portion of the prefabricated well chamber 11 in the horizontal direction, the outlet end of the water conduit 2 is higher than the pipe connection holes 112, in this embodiment, the pipe connection holes 112 are circular holes, and the pipe connection holes 112 formed in the side walls of both sides of the prefabricated well chamber 11 are symmetrically arranged, so that groundwater introduced into the prefabricated well chamber 11 can be discharged through the pipe connection holes 112, and the prefabricated well chamber 11 can be conveniently connected with an underground pipe; because the outlet end of the water conduit 2 is higher than the pipeline connecting hole 112, the pressure difference principle can be utilized to conduct drainage and depressurization on the underground water, and the underground water is convenient to discharge. Specifically, the height of the outlet end of the water conduit 2 is 1.5-2 times of the inner diameter of the pipeline connecting hole 112, and when the underground water level exceeds 1.5-2 times of the inner diameter of the pipeline connecting hole 112, underground water flows into the prefabricated well chamber 11 through the water conduit 2, so that the jacking force of the underground water on the prefabricated well chamber 11 is reduced, and the non-uniform settlement of the prefabricated inspection well body 1 is avoided.
Referring to fig. 1 and 2, the prefabricated well chamber 11 comprises an upper well chamber 113 and a lower well chamber 114, the prefabricated bottom plate 111 is integrally formed at the lower end of the lower well chamber 114, and the pipeline connecting hole 112 is formed at the lower part of the lower well chamber 114, so that sectional prefabrication is realized, and the processing, transportation and assembly are convenient; the upper end of the lower well chamber 114 is hermetically connected with the lower end of the upper well chamber 113, in this embodiment, a tongue-and-groove connection structure is integrally formed at the joint of the lower well chamber 114 and the upper well chamber 113, that is, a tenon-and-mortise connection mode is adopted, connection and fixation can be realized without using other reinforcing members, and a wedge-shaped rubber ring is further installed at the joint of the lower well chamber 114 and the upper well chamber 113, so that the sealing effect of the joint is improved, and the anti-seepage performance is ensured. Referring to fig. 4, the side walls of the upper well chamber 113 and the lower well chamber 114 are further provided with mounting holes 3 for installing steps or stairs, so that people can go up and down, in this embodiment, the side walls of the upper well chamber 113 and the lower well chamber 114 are provided with two sets of mounting holes 3 at intervals along the axial direction, each set of mounting holes 3 is two, two mounting holes 3 of each set are arranged at intervals along the radial direction of the prefabricated well chamber, two adjacent sets of mounting holes 3 are arranged in a staggered manner, and the distance between two adjacent sets of mounting holes 3 is equal.
Referring to fig. 1 and 2, the prefabricated inspection well body 1 further comprises a prefabricated well ring 12 and a prefabricated well bore adjusting block 13, the lower end of the prefabricated well bore adjusting block 13 is connected with the upper end of the upper well chamber 113 in a sealing manner, the upper end of the prefabricated well bore adjusting block 13 is connected with the lower end of the prefabricated well ring 12 in a sealing manner, in this embodiment, tongue-and-groove connection structures are integrally formed at the joints of the upper well chamber 113, the prefabricated well bore adjusting block 13 and the prefabricated well ring 12, namely, in a tenon-and-mortise connection manner, connection and fixation can be achieved without using other reinforcing members, and wedge-shaped rubber rings are further installed at the joints to improve the sealing effect of the joints, ensure the anti-leakage performance, further achieve sectional prefabrication, and facilitate processing.
The implementation principle of the embodiment is as follows: firstly, respectively binding a prefabricated walling crib 12 reinforcement cage, a prefabricated shaft adjusting block 13 reinforcement cage, an upper well room 113 reinforcement cage, a lower well room 114 reinforcement cage and a prefabricated bottom plate 111 reinforcement cage in a prefabricated factory building, and welding and fixing the prefabricated bottom plate 111 reinforcement cage at the lower end of the lower well room 114 reinforcement cage; secondly, putting a reinforcement cage of a lower well chamber 114 welded with a reinforcement frame of a prefabricated bottom plate 111 into high-frequency vibration pipe manufacturing equipment to manufacture the lower well chamber 114 and the prefabricated bottom plate 111 with a reinforced concrete structure, respectively putting the reinforcement cage of the prefabricated walling crib 12, the reinforcement cage of the prefabricated shaft adjusting block 13 and the reinforcement cage of an upper well chamber 113 into a concrete casting mold of the prefabricated walling crib 12, a concrete casting mold of the prefabricated shaft adjusting block 13 and a concrete casting mold of the upper well chamber 113 to manufacture the prefabricated walling crib 12, the prefabricated shaft adjusting block 13 and the upper well chamber 113 with the reinforced concrete structure, and simultaneously integrally forming tongue-and-groove connecting structures at the connecting parts of the lower well chamber 114, the upper well chamber 113, the prefabricated shaft adjusting block 13 and the prefabricated walling crib 12; finally, the manufactured prefabricated well ring 12, the prefabricated shaft adjusting block 13, the upper well chamber 113 and the lower well chamber 114 are conveyed to a construction site, pipeline connecting holes 112 are formed in the two sides of the lower portion of the lower well chamber 114 along the horizontal direction, through holes 1111 are formed in the prefabricated bottom plate 111 along the vertical direction, then an anti-floating structure is installed in the lower well chamber 114 and comprises a water guide pipe 2, the inlet end of the water guide pipe 2 is connected to the through holes 1111 in a sealing mode through strong glue or a water swelling water stop strip, the outlet end of the water guide pipe 2 is higher than the pipeline connecting holes 112, finally, the lower end of the upper well chamber 113 is connected with the upper end of the lower well chamber 114 in a sealing mode, the lower end of the prefabricated shaft adjusting block 13 is connected with the upper end of the upper well chamber 113 in a sealing mode, and the lower end of the prefabricated; realize prefabricated processing, can the reduction of erection time, the pollution abatement to through installing anti mechanism that floats additional, avoid prefabricated inspection shaft body 1's inhomogeneous settlement, the while integral connection safe and reliable, convenient and practical.
Example two
Referring to fig. 5 and 6, the difference between the first embodiment and the first embodiment is that the prefabricated well chamber 11 further includes a well chamber adjusting block 115, the upper end and the lower end of the well chamber adjusting block 115 are respectively connected with the lower end of the upper well chamber 113 and the upper end of the lower well chamber 114 in a sealing manner, in the first embodiment, the upper end and the lower end of the well chamber adjusting block 115 are respectively integrally formed with a tongue-and-groove connection structure, and are respectively connected and fixed with the corresponding well chambers in a tongue-and-groove connection manner, and each connection part is further provided with a wedge-shaped rubber ring, so that the sealing effect of the connection part is improved, the anti-leakage performance is ensured, the height of the prefabricated well chamber 11 is adjusted through the well chamber adjusting block 115, so that the prefabricated well chamber is applicable to construction sites with different depths, the application range is wide, and meanwhile, the prefabricated section type is adopted, so. Referring to fig. 7, the sidewall of the well chamber adjusting block 115 is also provided with mounting holes 3 for mounting steps or stairs for people to get on and off, and the arrangement of the mounting holes 3 on the well chamber adjusting block 115 is the same as that of the upper well chamber 113 or the lower well chamber 114 in this embodiment.
The implementation principle of the present embodiment is different from that of the first embodiment in that: additionally binding a reinforcement cage of a well chamber adjusting block 115, and loading the reinforcement cage of the well chamber adjusting block 115 into a concrete casting mold of the well chamber adjusting block 115 to manufacture the well chamber adjusting block 115 with a reinforced concrete structure, wherein the upper end and the lower end of the well chamber adjusting block 115 are respectively integrally formed with a tongue-and-groove connecting structure, and the upper end and the lower end of the well chamber adjusting block 115 are respectively connected with the lower end of an upper well chamber 113 and the upper end of a lower well chamber 114 in a sealing manner; through addding well room regulating block 115, can realize the regulation to prefabricated well room 11 height to satisfy all applicable to the job site of the different degree of depth, application scope is wide, adopts simultaneously to realize the sectional type prefabrication, and be convenient for processing, transportation and equipment, and the junction adopts sealing connection, guarantees the antiseep performance.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an anti inspection shaft that floats of prefabricated assembled concrete, includes prefabricated inspection shaft body (1), its characterized in that: the prefabricated inspection well body (1) comprises a prefabricated well chamber (11), wherein an anti-floating mechanism which is used for introducing underground water into the prefabricated well chamber (11) and discharging the underground water to reduce the lifting force of the underground water level to the prefabricated well chamber (11) is arranged in the prefabricated well chamber (11).
2. The precast assembled concrete anti-floating manhole according to claim 1, wherein: anti floating mechanism is including leading water pipe (2) that are used for leading groundwater into prefabricated well chamber (11), prefabricated well chamber (11) lower extreme is provided with prefabricated bottom plate (111), be equipped with through-hole (1111) that are used for with prefabricated well chamber (11) inside and external intercommunication along vertical direction on prefabricated bottom plate (111), leading water pipe (2) entrance point sealing connection is in through-hole (1111) department, and leading water pipe (2) exit end stretches into in prefabricated well chamber (11) along vertical direction.
3. The precast assembled concrete anti-floating manhole according to claim 2, wherein: the cross sections of the prefabricated well chamber (11) and the prefabricated bottom plate (111) are circular, the prefabricated well chamber (11) and the prefabricated bottom plate (111) are coaxially arranged, and the edge of the prefabricated bottom plate (111) extends along the radial direction to form a flange (1112) with the outer diameter larger than that of the prefabricated well chamber (11).
4. The precast assembled concrete anti-floating manhole according to claim 3, wherein: and the side walls of two sides of the lower part of the prefabricated well chamber (11) are respectively provided with a pipeline connecting hole (112) used for connecting a pipeline along the horizontal direction, and the outlet end of the water conduit (2) is higher than the pipeline connecting holes (112).
5. The precast assembled concrete anti-floating manhole according to claim 4, wherein: the height of the outlet end of the water conduit (2) is 1.5-2 times of the inner diameter of the pipeline connecting hole (112).
6. The precast assembled concrete anti-floating manhole according to claim 4, wherein: the prefabricated well chamber (11) comprises an upper well chamber (113) and a lower well chamber (114), the prefabricated bottom plate (111) is arranged at the lower end of the lower well chamber (114), the pipeline connecting hole (112) is formed in the lower portion of the lower well chamber (114), and the upper end of the lower well chamber (114) is connected with the lower end of the upper well chamber (113) in a sealing mode.
7. The precast assembled concrete anti-floating manhole according to claim 6, wherein: the prefabricated inspection well body (1) further comprises a prefabricated well ring (12) and a prefabricated well shaft adjusting block (13), the lower end of the prefabricated well shaft adjusting block (13) is connected with the upper end of the upper well chamber (113) in a sealing mode, and the upper end of the prefabricated well shaft adjusting block (13) is connected with the lower end of the prefabricated well ring (12) in a sealing mode.
8. The precast assembled concrete anti-floating manhole according to claim 7, wherein: the prefabricated well chamber (11) further comprises a well chamber adjusting block (115), and the upper end and the lower end of the well chamber adjusting block (115) are respectively connected with the lower end of the upper well chamber (113) and the upper end of the lower well chamber (114) in a sealing mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020055764.1U CN211646476U (en) | 2020-01-10 | 2020-01-10 | Prefabricated assembled concrete anti-floating inspection well |
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| CN202020055764.1U CN211646476U (en) | 2020-01-10 | 2020-01-10 | Prefabricated assembled concrete anti-floating inspection well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074944A (en) * | 2020-01-10 | 2020-04-28 | 重庆市云鹏水泥制品有限公司 | Prefabricated assembled concrete anti-floating inspection well and processing method thereof |
| CN115142472A (en) * | 2022-06-13 | 2022-10-04 | 北京韩建河山管业股份有限公司 | Prefabricated assembled exhaust valve chamber for small and medium-caliber prestressed concrete cylinder pipes |
-
2020
- 2020-01-10 CN CN202020055764.1U patent/CN211646476U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074944A (en) * | 2020-01-10 | 2020-04-28 | 重庆市云鹏水泥制品有限公司 | Prefabricated assembled concrete anti-floating inspection well and processing method thereof |
| CN115142472A (en) * | 2022-06-13 | 2022-10-04 | 北京韩建河山管业股份有限公司 | Prefabricated assembled exhaust valve chamber for small and medium-caliber prestressed concrete cylinder pipes |
| CN115142472B (en) * | 2022-06-13 | 2024-03-19 | 北京韩建河山管业股份有限公司 | Prefabricated assembled exhaust valve chamber of small-and-medium-caliber prestressed steel cylinder concrete pipe |
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