CN207959274U - A kind of town road inspection well construction - Google Patents

Abstract

The utility model discloses a municipal road inspection well structure, which comprises a well body cylinder, a well seat, a well cover, a subgrade, steel fiber concrete and a road surface layer. The well body masonry structure has a wellbore cavity inside and a prefabricated rubber concrete deformation adjustment ring. There is a rubber concrete well cavity inside the beam, and a reinforced concrete well cavity inside the prefabricated reinforced concrete ring beam. The well cavity is connected sequentially from bottom to top to form a well shaft; the well base has a well base cavity, and the well base is fixed on the top of the prefabricated reinforced concrete ring beam by several bolts, and the well cover is detachably installed on the top of the well base. The mechanical combination of the utility model is more reasonable and has the function of adjustable deformation, which ensures the smoothness between the road surface layer and the inspection well cover, improves the service life of the road surface, and reduces the repair frequency and repair time of the road inspection well.

Description

A Municipal Road Inspection Well Structure

technical field

The utility model relates to the field of road engineering, in particular to a municipal road inspection well structure.

Background technique

Most of the existing municipal roads use asphalt concrete pavement, and pavement inspection wells are common on municipal roads, and road surface inspection wells often have damage to the pavement around the well and subsidence of the well seat. The commonly used solution is generally to cut out the damaged well surrounding pavement, remove the damaged well shaft structure, and then re-build the well body and pave the road surface structure. The construction period of this method is long, the impact on traffic is greater, and the effect after repair is not ideal, and the inspection well after repair will be damaged again soon under the action of vehicle load. The subsidence of the inspection well is mainly caused by the damage of the masonry structure of the well body; the well base and the well cover structure are generally made of ductile cast iron, while the road surface is generally made of asphalt concrete. The rigidity of these two materials is very different. Under the action of the two, the uncoordinated deformation of the two causes stress concentration, which leads to damage to the surrounding pavement. The conventional municipal road inspection well structure cannot solve the problems of well masonry structure damage and material deformation incongruity, so it cannot solve the technical problems of inspection well subsidence and pavement damage around the well.

Utility model content

Aiming at the deficiencies of the existing technology, the purpose of this utility model is to provide a municipal road inspection well structure, the inspection well structure has a deformation and adjustable function, to ensure the smoothness between the road surface and the inspection well cover, and to improve the use of the road surface. service life, reducing the repair frequency and repair time of pavement inspection wells.

The purpose of this utility model is achieved through the following technical solutions:

A municipal road inspection well structure, comprising a shaft body, a well seat, a well cover, a subgrade, steel fiber concrete and a road surface layer, the shaft body has a shaft inside, and the shaft body includes from bottom to top Shaft masonry structure, prefabricated rubber concrete deformation adjustment ring beam, prefabricated reinforced concrete ring beam, the well body masonry structure has a shaft cavity inside, the prefabricated rubber concrete deformation adjustment ring beam has a rubber concrete well cavity inside, the There is a reinforced concrete well cavity inside the prefabricated reinforced concrete ring beam, the shaft cavity of the shaft masonry structure, the rubber concrete well cavity of the prefabricated rubber concrete deformation adjusting ring beam, and the reinforced concrete well cavity of the prefabricated reinforced concrete ring beam from bottom to top The well base is connected to form a wellbore; the well base has a well base cavity corresponding to the well shaft, the well base is fixed on the top of the prefabricated reinforced concrete ring beam by several bolts, and the top of the well base is detachably installed with a completely closed well base cavity The well cover; the outside of the shaft body is tightly packed with a roadbed, the top of the roadbed is paved with a road surface and steel fiber concrete, the steel fiber concrete is laid on the periphery of the well base, and the road surface is laid on steel fiber Concrete perimeter.

In order to better realize the utility model, the well casing body also includes a fine stone concrete leveling layer, and the fine stone concrete leveling layer is located between the prefabricated rubber concrete deformation adjusting ring beam and the well body masonry structure. The fine stone concrete leveling layer has a concrete leveling cavity inside, the shaft cavity of the shaft masonry structure, the concrete leveling cavity of the fine stone concrete leveling layer, the rubber concrete well cavity of the prefabricated rubber concrete deformation adjusting ring beam, The reinforced concrete well cavity of the prefabricated reinforced concrete ring beam is sequentially connected with the wellbore forming the shaft body from bottom to top.

Preferably, the top plane of the manhole cover, the top plane of the steel fiber concrete, and the top plane of the road surface layer are located on the same horizontal plane.

Preferably, the height of the top plane of the shaft body is higher than the height of the top plane of the roadbed.

Preferably, the well base is fixed to the top of the prefabricated reinforced concrete ring beam by at least six bolts.

Preferably, the bolts are expansion bolts.

Preferably, the shaft cross section of the shaft body is circular, the shaft cavity cross section of the shaft masonry structure, the concrete leveling cavity cross section of the fine stone concrete leveling layer, the prefabricated rubber concrete deformation adjustment The rubber concrete well cavity cross section of the ring beam and the reinforced concrete well cavity cross section of the prefabricated reinforced concrete ring beam are both circular.

Preferably, the well base includes a well base transverse section and a well base longitudinal section, the well base transverse section and the well base longitudinal section are perpendicular to each other, and the well base transverse section and the top plane of the prefabricated reinforced concrete ring beam They are in contact with each other and fixed by bolts. The inside of the longitudinal section of the well base is hollow and forms the well base cavity. The cross section of the well base cavity is circular.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) The utility model provides a new type of inspection well structure for municipal roads. The inspection well structure has a deformation and adjustable function, which ensures the smoothness between the road surface and the inspection well cover, improves the service life of the road surface, and reduces the cost of the road inspection well. Repair frequency and repair time.

(2) The rubber concrete deformation regulating ring beam of the utility model is a flexible and deformable structure, so that the upper reinforced concrete ring beam, manhole cover and steel fiber concrete can be deformed together with the road surface around the well, which solves the problem of the rigid structure of the inspection well body. The uncoordinated deformation of the flexible structure of the pavement around the well ensures the smoothness between the pavement and the well cover.

(3) Both the rubber concrete deformation regulating ring beam and the reinforced concrete ring beam of the utility model adopt prefabricated structure, which shortens the construction time and repair time of the inspection well structure, has higher construction efficiency, and minimizes its impact on traffic.

(4) The utility model has a good solution to the subsidence of the inspection well and the damage of the pavement around the well, and effectively solves the problem of uneven road surface connection caused by uneven settlement of the old and new pavement after the previous repair method; the utility model The one-time repair works well, avoiding the impact of repeated repairs on traffic and the waste of human and financial resources.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Wherein, the names corresponding to the reference signs in the accompanying drawings are:

1-well cover, 2-well seat, 3-bolt, 4-prefabricated reinforced concrete ring beam, 5-prefabricated rubber concrete deformation adjustment ring beam, 6-fine stone concrete leveling layer, 7-well body masonry structure, 8- Steel fiber concrete, 9-road surface, 10-subgrade.

Detailed ways

Below in conjunction with embodiment the utility model is described in further detail:

Embodiment one

This embodiment is described as a newly constructed inspection well structure in municipal road construction.

As shown in Figure 1, a municipal road inspection well structure includes a well body, a well seat 2, a well cover 1, a subgrade 10, a steel fiber concrete 8 and a road surface layer 9, the well body has a shaft inside the well body, and the well body From bottom to top, the cylinder includes shaft masonry structure 7, fine stone concrete leveling layer 6, prefabricated rubber concrete deformation adjustment ring beam 5, and prefabricated reinforced concrete ring beam 4. The shaft cross section of the shaft body is circular , cross-section of shaft cavity of shaft masonry structure 7, cross-section of concrete leveling cavity of fine stone concrete leveling layer 6, cross-section of rubber concrete well cavity of prefabricated rubber concrete deformation regulating ring beam 5, prefabricated reinforced concrete ring beam 4 The cross-section of the reinforced concrete well cavity is circular.

The shaft masonry structure 7 has a shaft cavity inside, and the shaft masonry structure 7 is formed by masonry (such as bricks) to form a shaft masonry structure with a hollow shaft cavity structure. The fine stone concrete leveling layer 6 has a concrete leveling cavity inside, and the fine stone concrete leveling layer 6 is a fine stone concrete layer laid on the top of the shaft masonry structure 7, and the purpose of the fine stone concrete layer is to level the shaft masonry structure 7 The top plane, so that the plane of the well cover 1 is flush with the road surface 9, and the fine stone concrete is the concrete with the maximum particle size of the coarse aggregate not greater than 15mm. The prefabricated rubber concrete deformation regulating ring beam 5 has a rubber concrete well cavity inside. The prefabricated rubber concrete deformation regulating ring beam 5 is a concrete structure prepared by mixing common concrete and rubber materials. The prefabricated rubber concrete deformation regulating ring beam 5 has a certain deformation Regulatory effect. The prefabricated reinforced concrete ring beam 4 has a reinforced concrete well cavity inside, and the prefabricated reinforced concrete ring beam 4 is made of reinforced concrete. The shaft cavity of the shaft masonry structure 7, the concrete leveling cavity of the fine stone concrete leveling layer 6, the rubber concrete well cavity of the prefabricated rubber concrete deformation adjusting ring beam 5, and the reinforced concrete well cavity of the prefabricated reinforced concrete ring beam 4 from below The top connects the wellbores that constitute the wellbore body in sequence.

As shown in Figure 1, the well base 2 has a well base cavity corresponding to the wellbore. The well base 2 is fixed on the top of the prefabricated reinforced concrete ring beam 4 by several bolts 3. The top of the well base 2 is detachably installed with a completely closed well base. Cavity manhole cover1. The well base 2 of the utility model includes a well base transverse section and a well base longitudinal section, the well base transverse section and the well base longitudinal section are perpendicular to each other, and the well base transverse section of the well base 2 is in contact with the top plane of the prefabricated reinforced concrete ring beam 4 They are fixed to each other by bolts 3. The inside of the longitudinal section of the well base 2 is hollow and forms a well base cavity. The cross section of the well base cavity of the well base 2 is circular. As shown in Figure 1, the outside of the shaft body is tightly packed with a subgrade 10, and the top of the subgrade 10 is paved with a road surface 9 and steel fiber concrete 8, and the steel fiber concrete 8 is laid on the periphery of the well block 2. A new type of multi-phase composite material formed by mixing short steel fibers randomly distributed in the concrete; the road surface layer 9 is laid on the periphery of the steel fiber concrete 8 . The municipal road inspection well structure of the utility model is constructed on the municipal road. Generally, the municipal road includes the subgrade 10 and the road surface layer 9 from bottom to top. The utility model prefabricates several municipal road inspection wells during the construction process of the municipal road. well structure, and then lay all kinds of pipelines, and then carry out the construction of the entire municipal road subgrade 10 and road surface layer 9, the utility model needs to lay steel fiber concrete 8 on the periphery of the well base 2 after the municipal road inspection well structure is set to The municipal road inspection well structure is reinforced.

The utility model preferably has the top plane of the manhole cover 1, the top plane of the steel fiber concrete 8, and the top plane of the road surface 9 on the same horizontal plane. In the utility model, the height value of the top plane of the well casing body is preferably higher than the height value of the top plane of the subgrade 10 . The well base 2 is fixed on the top of the prefabricated reinforced concrete ring beam 4 by at least six bolts 3, and the preferred bolts 3 of the utility model are expansion bolts.

Embodiment two

This embodiment is used as the municipal road inspection well disease prevention and repair structure to perform secondary repair treatment on the municipal road inspection well.

The utility model adopts the municipal road inspection well structure to carry out the traditional municipal road inspection well repair processing steps as follows:

A. The surrounding road surface of the damaged inspection well is chiseled, and the shaft structure of the damaged inspection well is removed. The shaft structure of the damaged inspection well is surrounded by a subgrade 10, and the removed shaft structure is repaired. The specific treatment method is as follows: take the center of the well cover 1 as the center point, cut a circular or regular polygon on the surrounding road surface of the damaged inspection well, then chisel the damaged road surface, remove the well seat 2 and the well cover 1. If the wellbore structure is damaged, the masonry structure of the wellbore structure should be demolished until the structure is intact, and the demolished part should be rebuilt and repaired.

B. Lay a layer of prefabricated rubber concrete deformation adjusting ring beam 5 on the repaired shaft structure. The specific operation instructions are as follows: set the prefabricated rubber concrete deformation adjusting ring beam 5 on the shaft structure, before that, check whether the elevation meets the requirements, and set a layer of fine stone concrete between the shaft structure and the rubber concrete ring beam 5 Layer 6, to ensure that the elevation of the manhole cover 1 is flush with the elevation of the road surface layer 9 after the repair is completed.

C. Lay a layer of prefabricated reinforced concrete ring beam 4 on the rubber concrete ring beam 5. At this time, the repaired shaft structure, fine stone concrete leveling layer 6, prefabricated rubber concrete deformation adjustment ring beam 5, and prefabricated reinforced concrete ring beam 4 Together they form a shaft body, and a repair subgrade 10 is laid on the periphery of the rubber concrete ring beam 5 and the prefabricated reinforced concrete ring beam 4 . The specific operation instructions are as follows: set the prefabricated reinforced concrete ring beam 4 on the prefabricated rubber concrete deformation adjusting ring beam 5, and check the elevation to ensure that the elevation of the manhole cover 1 is equal to the elevation of the road surface layer 9 after the repair is completed.

D. Fix the well base 2 on the top of the prefabricated reinforced concrete ring beam 4 through at least six expansion bolts 3 . The specific operation instructions are as follows: Use expansion bolts 3 to fix the well base 2 on the prefabricated reinforced concrete ring beam 4. The number of expansion bolts 3 is not less than 6, and they are evenly arranged around the well base 2. During the installation process, it should be ensured that The elevation of well cover 2 is flush with the elevation of original road surface layer 9.

E. Lay steel fiber concrete 8 on the periphery of well block 2, and then lay road surface 9 on the periphery of steel fiber concrete 8. The specific operation instructions are as follows: After fixing the well base 2, pave the steel fiber concrete 8 at the pavement structure layer that has been chiseled out to ensure that the height of the pavement is even with the original road surface layer 9 to ensure that the steel fiber concrete 8 The smoothness of the junction with the road surface layer 9.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (8)

1. A municipal road inspection well structure, characterized in that it includes a well body, a well seat (2), a well cover (1), a roadbed (10), steel fiber concrete (8) and a road surface (9), There is a shaft inside the shaft body, and the shaft body includes a shaft masonry structure (7), a prefabricated rubber concrete deformation adjusting ring beam (5), a prefabricated reinforced concrete ring beam (4) from bottom to top, The shaft masonry structure (7) has a shaft cavity inside, the prefabricated rubber concrete deformation adjusting ring beam (5) has a rubber concrete well cavity inside, and the prefabricated reinforced concrete ring beam (4) has a reinforced concrete well cavity inside , the shaft cavity of the shaft masonry structure (7), the rubber concrete well cavity of the prefabricated rubber concrete deformation regulating ring beam (5), and the reinforced concrete well cavity of the prefabricated reinforced concrete ring beam (4) are sequentially connected from bottom to top to form Well shaft; the well base (2) has a well base cavity corresponding to the well shaft, the well base (2) is fixed on the top of the prefabricated reinforced concrete ring beam (4) by several bolts (3), the well base ( 2) The top is detachably installed with a well cover (1) that completely closes the well seat cavity; the outside of the well casing is tightly packed and wrapped with a roadbed (10), and the top of the roadbed (10) is paved with a road surface (9) and steel fiber concrete (8), the steel fiber concrete (8) is laid on the periphery of the well seat (2), and the road surface (9) is laid on the periphery of the steel fiber concrete (8). 2. A municipal road inspection well structure according to claim 1, characterized in that: the shaft body further includes a fine stone concrete leveling layer (6), and the fine stone concrete leveling layer (6) Located between the prefabricated rubber concrete deformation adjusting ring beam (5) and the well body masonry structure (7), the fine stone concrete leveling layer (6) has a concrete leveling cavity inside, and the well body masonry structure (7 ), the concrete leveling cavity of the fine stone concrete leveling layer (6), the rubber concrete well cavity of the prefabricated rubber concrete deformation adjustment ring beam (5), the reinforced concrete well cavity of the prefabricated reinforced concrete ring beam (4) from The wellbores that constitute the wellbore body are sequentially connected from bottom to top. 3. A municipal road inspection well structure according to claim 1, characterized in that: the top plane of the manhole cover (1), the top plane of the steel fiber reinforced concrete (8), and the top plane of the road surface (9) on the same level. 4. The municipal road inspection well structure according to claim 1, characterized in that: the height of the top plane of the shaft body is higher than the height of the top plane of the roadbed (10). 5. A municipal road inspection well structure according to claim 1, characterized in that the well base (2) is fixed to the top of the prefabricated reinforced concrete ring beam (4) by at least six bolts (3). 6. A municipal road inspection well structure according to claim 1 or 5, characterized in that: said bolts (3) are expansion bolts. 7. A municipal road inspection well structure according to claim 2, characterized in that: the shaft cross-section of the shaft body is circular, and the shaft cavity of the shaft masonry structure (7) is Section, cross section of concrete leveling cavity of fine stone concrete leveling layer (6), cross section of rubber concrete well cavity of prefabricated rubber concrete deformation adjusting ring beam (5), reinforced concrete well cavity of prefabricated reinforced concrete ring beam (4) The cross sections are all circular in shape. 8. A municipal road inspection well structure according to claim 7, characterized in that: the well base (2) includes a well base transverse section and a well base longitudinal section, and the well base transverse section and the well base longitudinal section perpendicular to each other, the well base transverse section of the well base (2) is in contact with the top plane of the prefabricated reinforced concrete ring beam (4) and fixed to each other by bolts (3), the well base longitudinal section of the well base (2) The inside is hollow and forms the well seat cavity, and the well seat cavity cross section of the well seat (2) is circular.