CN219219284U - Sedimentation repair structure of rain sewage inspection well - Google Patents

Abstract

The utility model relates to a precipitation repair structure of a rain sewage inspection well, which comprises a roadbed pavement layer, an original inspection well ring, a prefabricated assembled integrated well cover, an adjustable joint ring and a geopolymer mortar grouting layer, wherein the original inspection well ring is arranged in the roadbed pavement layer, the prefabricated assembled integrated well cover is in butt joint with an original inspection well body through the adjustable joint ring, and the geopolymer mortar grouting layer is poured into a cavity formed by the adjustable joint ring and the roadbed pavement layer; the utility model has simple structure, less repairing steps, less difficulty, reliable quality and lower repairing cost.

Description

Sedimentation repair structure of rain sewage inspection well

[ field of technology ]

The utility model belongs to the field of road engineering, and particularly relates to a sedimentation repair structure of a rain sewage inspection well.

[ background Art ]

The rain sewage inspection well is arranged for facilitating the overhaul of the rain sewage pipeline, and most of the rain sewage inspection well is arranged in the middle of the road due to the limitation of the land space; however, under the long-term live load action of the vehicle and the factors such as rigidity difference between the inspection well and the roadbed, the well body of the rain sewage inspection well and surrounding soil are easy to subside, so that the travelling comfort is affected.

For the sedimentation repair of the rain sewage inspection well, the main mode is to excavate the sedimentation inspection well and surrounding soil, then pour concrete and reset the rain sewage inspection well, so that the construction process is complex, the construction time is long, and the cost is high.

The geopolymer is a novel inorganic cementing material prepared from industrial wastes such as slag, fly ash and the like under the action of alkali-activated agents, has the advantages of low price, environmental protection, energy consumption, rapid hardening, high strength and the like, is considered as a novel engineering material hopeful to replace cement, adopts mortar and concrete mixed by the geopolymer, has the price far lower than cement mortar and cement concrete, and has high setting and hardening speed and high construction efficiency.

[ utility model ]

The utility model aims to provide a sedimentation repair structure of a rain sewage inspection well, which has the advantages of small repair difficulty, short repair time and reliable quality.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides a rain sewage inspection shaft subsides restoration structure, includes road bed pavement layer 1, former inspection shaft well ring 2, prefabricated assembled integrated well lid 3, adjustable adapter ring 4, geopolymer mortar slip casting layer 5, former inspection shaft well ring 2 is arranged in road bed pavement layer 1, prefabricated assembled integrated well lid 3 is in butt joint with former inspection shaft well ring 2 through adjustable adapter ring 4, geopolymer mortar slip casting layer 5 is poured into the cavity that adjustable adapter ring 4 and road bed pavement layer 1 formed;

the prefabricated integrated well cover 3 consists of a well cover 31, an asphalt concrete pavement layer 32, a geopolymer concrete structure layer 33, a well cover framework 34 and a well ring 35, wherein the well cover 31 is fixedly arranged on the well ring 35, the asphalt concrete pavement layer 32 and the geopolymer concrete structure layer 33 wrap the well ring 35, the periphery of the well cover framework 34 and the well ring 35 are wrapped by the asphalt concrete pavement layer 32 and the geopolymer concrete structure layer 33, and the asphalt concrete pavement layer 32 is positioned on the geopolymer concrete structure layer 33;

the adjustable adapter ring 4 consists of a well platform 41 and supporting hollow columns 42, wherein the bottom of the well platform 41 is connected with the supporting hollow columns 42, and the supporting hollow columns 42 are hollow and penetrate through the well platform 41.

Further improved, the geopolymer concrete structure layer 33 is made of geopolymer concrete with compressive strength of C25.

According to a further improvement, the prefabricated integrated well cover 3 is of a cylindrical structure, the diameter is 50 cm-80 cm, the column height is 30 cm-50 cm, the asphalt concrete pavement 32 is gradually thinned from an outer ring to an inner ring, the thickness of the outer ring is 10 cm-12 cm, and the thickness of the inner ring, which is close to the well cover 31, is 3 cm-5 cm.

Further improved, the well lid skeleton 34 is composed of an asphalt pavement layer skeleton 341 and a geopolymer concrete skeleton 342, the asphalt pavement layer skeleton 341 is welded on the geopolymer concrete skeleton 342, the asphalt pavement layer skeleton 341 is formed by a plurality of steel bars in a radial shape through longitudinal and transverse welding, the geopolymer concrete skeleton 342 is formed by welding steel bars 343 and cross steel 344, and the cross steel 344 is perpendicular to a pavement and circumferentially arranged along the well lid 31.

Further improved, the supporting hollow column 42 is formed by enclosing two arc plates 421, and the geopolymer mortar grouting layer 5 is formed by injecting the geopolymer mortar into the cavity between the adjustable adapter ring 42 and the roadbed through the supporting hollow column 42.

The utility model has the technical effects that:

(1) The construction difficulty is small, and the repairing speed is high: when the manhole subsides and is repaired, only the original sedimentation manhole is needed to be cut and separated, then an adjustable connection ring and a prefabricated assembled integrated manhole cover are placed into the cut manhole pit, the repair can be realized, the adjustable connection ring can adjust the depth of the pit after the original sedimentation manhole is cut, the supporting hollow column is inserted into the roadbed pavement layer, and then the geopolymer mortar is injected into the cavity formed by the well platform and the roadbed pavement layer, so that the geopolymer mortar is quickly solidified and hardened in a short time, the construction period is further shortened, and the construction efficiency is improved.

(2) Reliable quality and long service life: the prefabricated assembled integrated well lid is manufactured by adopting the geopolymer concrete and the reinforcement cage, the structural quality is stable, and the asphalt pavement cage adopts a plurality of steel bars to be welded in a radial manner, so that asphalt concrete around the well lid is not easy to damage under the friction force of wheels, and the service life is long.

(3) Simple structure, with low costs: the inspection shaft subsides restoration structure not only construction speed is fast, and main materials such as geopolymer mortar, geopolymer concrete are all mixed by the low-price geopolymer cementing material, and the manufacturing and construction cost is lower, so that the construction cost is effectively saved.

[ description of the drawings ]

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of a sedimentation repair structure of a rain sewage inspection well;

FIG. 2 is a schematic view of the prefabricated integrated manhole cover structure of the present utility model;

FIG. 3 is a schematic diagram of the well lid skeleton structure of the present utility model;

FIG. 4 is a schematic view of a well bore platform structure according to the present utility model;

fig. 5 is a schematic view of the structure of the support hollow column of the present utility model.

Wherein, 1 is road bed pavement layer, 2 is former inspection shaft well ring, 3 is prefabricated assembled integrated well lid, 31 is the well lid, 32 is asphalt concrete pavement layer, 33 is geopolymer concrete structure layer, 34 is well lid skeleton, 341 is asphalt pavement layer skeleton, 342 is geopolymer concrete layer skeleton, 343 is the reinforcing bar, 344 is cross steel, 35 is the well ring, 4 is adjustable link ring, 41 is well body platform, 42 is supporting hollow column, 421 is the arc, 5 is geopolymer mortar grouting layer.

[ detailed description ] of the utility model

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1 to 4, the utility model provides a rain sewage inspection well settlement repair structure, which comprises a roadbed pavement layer 1, an original inspection well ring 2, a prefabricated assembled integrated well cover 3, an adjustable joint ring 4 and a geopolymer mortar grouting layer 5, wherein the original inspection well ring 2 is arranged in the roadbed pavement layer 1, the prefabricated assembled integrated well cover 3 is in butt joint with an original inspection well body 2 through the adjustable joint ring 4, and the geopolymer mortar grouting layer 5 is poured into a cavity formed by the adjustable joint ring 4 and the roadbed pavement layer 1;

the prefabricated assembled integrated well cover 3 consists of a well cover 31, an asphalt concrete pavement layer 32, a geopolymer concrete structure layer 33, a well cover framework 34 and a well ring 35, wherein the well cover 31 is fixedly arranged on the well ring 35, the asphalt concrete pavement layer 32 and the geopolymer concrete structure layer 33 wrap the well ring 35, the geopolymer concrete structure layer 33 is made of geopolymer concrete with compressive strength of C25, the periphery of the well cover framework 34 and the well ring 35 are wrapped by the asphalt concrete pavement layer 32 and the geopolymer concrete structure layer 33, and the asphalt concrete pavement layer 32 is positioned on the geopolymer concrete structure layer 33; the prefabricated assembled integrated well lid 3 is of a cylindrical structure, the diameter is 80cm, the column height is 50cm, the asphalt concrete pavement layer 32 is gradually thinned from an outer ring to an inner ring, the thickness of the outer ring is 12cm, and the thickness of the inner ring, which is close to the well lid 31, is 5cm

The adjustable adapter ring 4 consists of a well platform 41 and supporting hollow columns 42, wherein the bottom of the well platform 41 is connected with the supporting hollow columns 42, and the supporting hollow columns 42 are hollow and penetrate through the well platform 41; the supporting hollow column 42 is formed by enclosing two arc plates 421, and the geopolymer mortar grouting layer 5 is formed by injecting the geopolymer mortar into the cavity between the adjustable adapter ring 42 and the roadbed through the supporting hollow column 42.

As shown in fig. 4, the manhole cover framework 34 includes an asphalt pavement layer framework 341 and a geopolymer concrete framework 342, the asphalt pavement layer framework 341 is welded on the geopolymer concrete framework 342, the asphalt pavement framework 341 is formed by vertically and horizontally welding a plurality of steel bars in a radial manner, the geopolymer concrete framework 342 is formed by welding steel bars 343 and cross steel 344, and the cross steel 344 is arranged along the circumferential direction of the manhole cover 31 perpendicular to the pavement.

A construction method of a sedimentation repair structure of a rain sewage inspection well comprises the following steps:

step one, excavating an original sedimentation inspection well: cutting the original sedimentation inspection well by a cutting machine or a special cutting trolley for sedimentation of the inspection well, and blasting to remove the sedimentation inspection well;

step two, mounting an adjustable adapter ring: determining the top height of the well body platform by using a tape measure, marking on the groove wall formed by cutting, marking at least 3 positions on different positions of the side wall when the tape measure is marked, pressing the well body platform into the groove, aligning the well body platform with the well body of the original inspection well, and injecting polymer mortar into a cavity between the adjustable connection ring and the roadbed through a supporting hollow column to fix the adjustable connection ring after the installation of the adjustable connection ring is completed, and performing next construction after the polymer mortar is coagulated and hardened;

step three, hoisting the prefabricated assembled integrated well lid: and hoisting the prefabricated assembled integrated well lid into the original sedimentation well cutting groove by adopting the crane, and tightly attaching the prefabricated assembled integrated well lid to the adjustable connection ring box.

Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (5)

1. The utility model provides a rain sewage inspection shaft subsides restoration structure which characterized in that, includes road bed road surface layer (1), former inspection shaft well ring (2), prefabricated assembled integrated well lid (3), adjustable adapter ring (4), geopolymer mortar slip casting layer (5), former inspection shaft well ring (2) are arranged in road bed road surface layer (1), prefabricated assembled integrated well lid (3) dock through adjustable adapter ring (4) with former inspection shaft well ring (2), geopolymer mortar slip casting layer (5) are poured into in the cavity that adjustable adapter ring (4) and road bed road surface layer (1) formed;

the prefabricated assembled integrated well cover (3) consists of a well cover (31), an asphalt concrete pavement layer (32), a geopolymer concrete structure layer (33), a well cover framework (34) and a well ring (35), wherein the well cover (31) is fixedly arranged on the well ring (35), the asphalt concrete pavement layer (32) and the geopolymer concrete structure layer (33) wrap the well ring (35), the periphery of the well cover framework (34) is wrapped by the asphalt concrete pavement layer (32) and the geopolymer concrete structure layer (33), and the asphalt concrete pavement layer (32) is positioned on the geopolymer concrete structure layer (33);

the adjustable adapter ring (4) comprises a well platform (41) and supporting hollow columns (42), wherein the bottom of the well platform (41) is connected with the supporting hollow columns (42), and the supporting hollow columns (42) are hollow and penetrate through the well platform (41).

2. A sedimentation repair structure of a sewage inspection well according to claim 1, characterized in that the geopolymer concrete structure layer (33) is made of geopolymer concrete with compressive strength of C25.

3. The sedimentation repair structure of the rain sewage inspection well according to claim 1, wherein the prefabricated integrated well cover (3) is of a cylindrical structure, the diameter is 50 cm-80 cm, the column height is 30 cm-50 cm, the asphalt concrete pavement layer (32) is gradually thinned from an outer ring to an inner ring, the thickness of the outer ring is 10 cm-12 cm, and the thickness of the inner ring, which is close to the well cover (31), is 3 cm-5 cm.

4. The sedimentation repair structure of a rain sewage inspection well according to claim 1, wherein the well cover framework (34) is composed of an asphalt pavement layer framework (341) and a geopolymer concrete layer framework (342), the asphalt pavement layer framework (341) is welded on the geopolymer concrete layer framework (342), the asphalt pavement layer framework (341) is formed by a plurality of steel bars in a radial shape through longitudinal and transverse welding, the geopolymer concrete layer framework (342) is formed by welding steel bars (343) and cross steel (344), and the cross steel (344) is arranged along the circumferential direction of the well cover (31) perpendicular to a road surface.

5. The sedimentation repair structure of a sewage and rain manhole according to claim 1, wherein the supporting hollow column (42) is formed by enclosing two arc plates (421), and the geopolymer mortar grouting layer (5) is formed by injecting geopolymer mortar into a cavity between the adjustable connection ring (4) and the roadbed through the supporting hollow column (42).

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