Shallow-buried bottom plate ribbed HDPE (High-Density Polyethylene) integral inner and outer mold steel fiber self-compacting concrete circular inspection well

Abstract

The utility model discloses a shallow-buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well which comprises an HDPE well wall outer mold matched with the circular inspection well in appearance and an HDPE well wall inner mold matched with an inner cavity of the circular inspection well. The HDPE well wall inner mold and the HDPE well wall outer mold are both thin-wall pipe fittings prefabricated through HDPE materials and are both coaxially and vertically arranged on the ribbed HDPE bottom plate, and a concrete pouring cavity with an opening in the upper portion is defined by the HDPE well wall inner mold, the HDPE well wall outer mold and the ribbed HDPE bottom plate. Holes are formed in the side face of the concrete pouring cavity corresponding to the positions, where bypass pipelines need to be arranged, of the circular inspection well, and finished product saddles are arranged; steel fiber self-compacting concrete is poured into the concrete pouring cavity to form a bearing body of the circular inspection well. According to the utility model, the construction applicability of the circular inspection well is higher, the connection between the circular inspection well and the pipeline is tighter, and the sealing problem between the bypass pipeline and the circular inspection well is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection well construction, in particular to a shallow-buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well. Background Art

[0002] With the continuous advancement of urban renewal and renovation of old residential communities, the upgrading and renovation of supporting municipal infrastructure is being implemented simultaneously. As a key component of the municipal pipeline network, the design and construction of inspection wells must consider load-bearing capacity, impermeability, durability, corrosion resistance, and the sealing of pipe well interfaces.

[0003] The current inspection wells are mostly masonry inspection wells, prefabricated reinforced concrete inspection wells and plastic inspection wells.

[0004] Among them, the brick-built inspection well pipe interface has poor sealing, is prone to leakage, and has a long construction period;

[0005] Prefabricated inspection wells are expensive, and there is often a large deviation between the pre-drilled holes and the on-site pipe positions, making them difficult to connect;

[0006] Plastic inspection wells are not strong enough to directly withstand dynamic loads such as vehicle pressure, so unloading plates need to be added.

[0007] Therefore, how to make the construction of inspection wells more applicable and more tightly connected with pipelines, and effectively solve the sealing problem between the bypass pipeline and the inspection well has become a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0008] In view of the above-mentioned defects of the prior art, the utility model provides a shallow-buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well, the purpose of which is to make the inspection well construction more applicable and the connection with the pipeline tighter, effectively solving the sealing problem between the bypass pipeline and the inspection well.

[0009] To achieve the above-mentioned purpose, the utility model discloses a shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well, comprising an HDPE well wall outer mold matching the circular inspection well shape and an HDPE well wall inner mold matching the circular inspection well cavity;

[0010] The HDPE well wall inner mold and the HDPE well wall outer mold are both thin-walled pipes prefabricated with HDPE material, and are coaxially and vertically arranged on the ribbed HDPE bottom plate, forming a concrete pouring cavity with a circular cross section and an upper opening with the ribbed HDPE bottom plate;

[0011] Holes are opened on the sides of the HDPE well wall inner mold and the HDPE well wall outer mold at positions corresponding to the circular inspection well where bypass pipelines need to be set, and finished saddle seats matching the corresponding bypass pipelines are set;

[0012] Steel fiber self-compacting concrete is poured into the concrete pouring cavity to form the bearing body of the circular inspection well.

[0013] Preferably, the HDPE well wall inner mold and the HDPE well wall outer mold are both thin-walled pipes of indefinite length integrally formed using an injection molding process, and are cut into required lengths according to actual requirements during construction.

[0014] Preferably, the ribbed HDPE bottom plate is integrally formed by injection molding, and is provided with a plurality of radially arranged ribs on the bottom.

[0015] Preferably, a manhole cover is provided at the upper opening of the load-bearing body formed by the steel fiber self-compacting concrete.

[0016] Preferably, the load-bearing body formed by the steel fiber self-compacting concrete is provided with an anti-falling net at a position close to the upper opening in the inner mold of the HDPE well wall.

[0017] Beneficial effects of the utility model:

[0018] The application of the utility model makes the construction of the circular inspection well more applicable and the connection with the pipeline more closely, effectively solving the sealing problem between the bypass pipeline and the circular inspection well.

[0019] The utility model adopts cast steel fiber self-compacting concrete to form the bearing body of the circular inspection well, and does not require on-site formwork. The finished circular inspection well has high strength and durability. When in use, there is no need to add a unloading plate on the top, which is more convenient and quick.

[0020] The application of the utility model enables the circular inspection well to have good heat resistance and cold resistance, good chemical stability and corrosion resistance, and good compression and tensile properties, thereby improving the corrosion resistance and impermeability of the finished circular inspection well.

[0021] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic structural diagram showing an embodiment of the present invention in which an HDPE well wall outer mold and an HDPE well wall inner mold are coaxially arranged on a ribbed HDPE bottom plate.

[0023] Figure 2 Show the utility model Figure 1 Schematic diagram of the AA section structure.

[0024] Figure 3 A schematic structural diagram of a ribbed HDPE bottom plate in one embodiment of the present invention is shown.

[0025] Figure 4 A schematic diagram of the structure of the side opening of the concrete pouring cavity in one embodiment of the present utility model is shown.

[0026] Figure 5 A schematic structural diagram of a finished saddle seat is shown in which a hole is opened on the side of a concrete pouring cavity in one embodiment of the present invention.

[0027] Figure 6 A schematic structural diagram showing the installation of all components of an embodiment of the present invention is shown.

[0028] In the figure: 1. HDPE well wall inner mold; 2. HDPE well wall outer mold; 3. Ribbed HDPE bottom plate; 4. Finished saddle seat; 5. Steel fiber self-compacting concrete; 6. Well cover; 7. Anti-fall net. DETAILED DESCRIPTION

[0029] Example

[0030] like Figures 1 to 6 As shown, a shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well includes a HDPE well wall outer mold 2 that matches the shape of the circular inspection well and a HDPE well wall inner mold 1 that matches the inner cavity of the circular inspection well;

[0031] The HDPE well wall inner mold 1 and the HDPE well wall outer mold 2 are both thin-walled pipes prefabricated with HDPE material, and are coaxially and vertically arranged on the ribbed HDPE bottom plate 3, forming a concrete pouring cavity with a circular cross section and an open top.

[0032] Holes are opened on the sides of the HDPE well wall inner mold 1 and the HDPE well wall outer mold 2 at the positions where bypass pipes need to be set corresponding to the circular inspection wells, and finished saddle seats 4 matching the corresponding bypass pipes are set;

[0033] Steel fiber self-compacting concrete 5 is poured into the concrete pouring cavity to form the bearing body of the circular inspection well.

[0034] The utility model uses an HDPE well wall outer mold 2, an HDPE well wall inner mold 1 and a ribbed HDPE bottom plate 3 to form a concrete pouring cavity for pouring steel fiber self-compacting concrete 5. After a hole is opened on the side, a finished saddle seat 4 can be connected. It has high applicability and is tightly connected with the pipeline, effectively solving the sealing problem between the bypass pipeline and the circular inspection well.

[0035] The utility model adopts cast steel fiber self-compacting concrete 5 to form the bearing body of the circular inspection well, and does not require on-site formwork. The finished circular inspection well has high strength and durability. When in use, there is no need to add a unloading plate on the top, which is more convenient and quick.

[0036] In some embodiments, the HDPE well wall inner mold 1 and the HDPE well wall outer mold 2 are both thin-walled pipes of indefinite length integrally formed using an injection molding process, and are cut into required lengths according to actual requirements during construction.

[0037] In practical applications, both the HDPE well wall outer mold 2 and the HDPE well wall inner mold 1 can be cut and opened arbitrarily according to the on-site pipeline layout, without restrictions on the pipeline diameter, elevation, and angle, and are highly practical.

[0038] In some embodiments, the ribbed HDPE bottom plate 3 is integrally formed by injection molding, and is provided with a plurality of radially arranged ribs 31 on the bottom.

[0039] In actual application, the HDPE well wall outer mold 2, the HDPE well wall inner mold 1 and the ribbed HDPE bottom plate 3 are integrally injection molded, which has good heat resistance and cold resistance, good chemical stability and corrosion resistance, and good compressive and tensile properties, thereby improving the corrosion resistance and anti-seepage properties of the finished circular inspection well.

[0040] The ribbed HDPE bottom plate 3 provided with a plurality of radially arranged ribs 31 can better meet the stress requirements of the well chamber bottom plate.

[0041] In some embodiments, a manhole cover 6 is provided at the upper opening of the load-bearing body formed of steel fiber self-compacting concrete 5 .

[0042] In some embodiments, a fall prevention net 7 is provided at a position close to the upper opening in the HDPE well wall inner mold 1 corresponding to the load-bearing body formed by the steel fiber self-compacting concrete 5 .

[0043] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. Shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well; its characteristics are: It comprises an HDPE well wall outer mold (2) matching the outer shape of a circular inspection well and an HDPE well wall inner mold (1) matching the inner cavity of the circular inspection well; The HDPE well wall inner mold (1) and the HDPE well wall outer mold (2) are both thin-walled pipes prefabricated with HDPE material, and are coaxially and vertically arranged on the ribbed HDPE bottom plate (3), forming a concrete pouring cavity with a circular cross section and an upper opening with the ribbed HDPE bottom plate (3); Holes are opened on the sides of the HDPE well wall inner mold (1) and the HDPE well wall outer mold (2) at positions corresponding to the circular inspection well where bypass pipelines need to be set, and finished saddle seats (4) matching the corresponding bypass pipelines are set; Steel fiber self-compacting concrete (5) is poured into the concrete pouring cavity to form the bearing body of the circular inspection well.

2. The shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well according to claim 1 is characterized in that: The HDPE well wall inner mold (1) and the HDPE well wall outer mold (2) are both thin-walled pipes of indefinite length integrally formed using an injection molding process, and are both cut into required lengths according to actual requirements during construction.

3. The shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well according to claim 1 is characterized in that: The ribbed HDPE bottom plate (3) is integrally formed by injection molding, and is provided with a plurality of radially arranged ribs (31) on the bottom.

4. The shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well according to claim 1 is characterized in that: A manhole cover (6) is provided at the upper opening of the load-bearing body formed by the steel fiber self-compacting concrete (5).

5. The shallow buried bottom plate ribbed HDPE integral inner and outer mold steel fiber self-compacting concrete circular inspection well according to claim 1 is characterized in that: The load-bearing body formed by the steel fiber self-compacting concrete (5) is provided with an anti-falling net (7) at a position close to the upper opening in the HDPE well wall inner mold (1).

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