Fabricated catch basin chamber and construction method

Abstract

The fabricated rainwater well chamber comprises a plate base and a well chamber body which are matched and spliced with each other, the plate base comprises a reinforced concrete base and first hanging rings, the reinforced concrete base comprises a bottom plate and an integrally-arranged upturning wall, and the first hanging rings are symmetrically arranged at the upper end of the upturning wall; the well chamber comprises a concrete well body and a second hanging ring, the concrete well body comprises a well lid and a well wall which are integrally arranged, the second hanging ring is arranged at the upper end of the well lid, and pipeline reserved holes are further formed in the well lid and the well wall; the corresponding positions of the outer side of the lower end of the well wall of the concrete well body and the inner side of the upturning wall of the concrete base are scabbled. The prefabricated rainwater well chamber has the advantages of being easy to operate and high in construction speed, and site constructors can complete construction. Material prefabrication can be performed in advance; the safety is high, and the time for workers to stay in the foundation pit is greatly shortened; and after construction, the quality is controllable, and the construction quality is improved.

Description

Technical Field

[0001] The invention belongs to the field of municipal engineering construction, and in particular relates to an assembled rainwater well chamber and a construction method. Background Art

[0002] With the advancement of science and technology and the improvement of people's living standards, urbanization renewal also needs to be accelerated, and the construction and maintenance of municipal road pipe networks are becoming more and more important. Municipal pipe networks are the blood vessels of cities and towns and play an important role in urban development. In order to improve the durability of rainwater and sewage wells, most urban rainwater and sewage wells are cast-in-place concrete structures at this stage, with a long construction period and a large occupied site. There are many potential safety hazards in construction in cities and towns, and they seriously affect urban traffic.

[0003] Therefore, fast and efficient construction under the condition of ensuring the quality of municipal pipe network becomes a very critical technology. The present invention aims to study how to improve the quality of municipal pipe network, shorten the construction period and reduce the impact of urban traffic, so as to better implement the construction concept of "people-oriented and quality-oriented".

[0004] Traditional municipal engineering practices have problems such as technical defects, common quality problems, and long construction periods. Summary of the invention

[0005] The technical problem to be solved by the present invention is to provide an assembled rainwater well chamber and a construction method, which solves the problems of long construction time, limited maintenance and operation space of cast-in-place rainwater wells in municipal engineering in the prior art.

[0006] The present invention adopts the following technical solutions to solve the above technical problems: A prefabricated rainwater well chamber comprises a plate base and a well chamber which are matched and assembled with each other, wherein the plate base comprises a reinforced concrete base and a first lifting ring, the reinforced concrete base comprises a bottom plate and an integrally arranged upwardly-turned wall, the first lifting ring is symmetrically arranged at the upper end of the upwardly-turned wall; the well chamber comprises a concrete well body and a second lifting ring, the concrete well body comprises an integrally-arranged well cover and well wall, the second lifting ring is arranged at the upper end of the well cover, and reserved openings for pipes are also arranged on the well cover and the well wall; the outer side of the well wall at the lower end of the concrete well body and the corresponding positions on the inner side of the upwardly-turned wall of the concrete base are roughened.

[0007] The first lifting ring is a round steel structure, which is welded to the steel bars of the upper wall of the concrete base and is pre-embedded and cast.

[0008] A reserved opening for pipelines is arranged on the manhole cover, and at least two reserved openings for pipelines are symmetrically arranged on the well body.

[0009] The well chamber is installed on the plate seat, and the gap in the middle is filled with SPC polymer mortar.

[0010] The second lifting ring is a round steel structure, which is welded to the steel bars of the manhole cover and is pre-embedded and cast.

[0011] The concrete grade and reinforcement of the base and well body are configured according to design requirements.

[0012] The construction method of the assembled rainwater well chamber comprises the following steps: Step 1, making the plate base and the well chamber; Step 2: Hoist the plate base to the bottom of the foundation pit and apply SPC polymer mortar to the roughened area; Step 3: Hoist the well chamber above the plate seat, align it, lower it to the plastering area inside the plate seat, and make adjustments; Step 4: After the plaster solidifies, complete the well chamber installation.

[0013] The manufacturing method of the plate seat is as follows: Step a: According to the design drawing requirements, prepare concrete, plate base steel bars and first lifting ring round steel; Step b, support the plate base formwork and tie the base reinforcement; Step c, tying the first lifting ring round steel to the set position of the base steel bar; Step d, pouring slab base concrete and performing curing; Step e: After the curing is completed, the inner side of the upper wall of the base is roughened.

[0014] The method for making the well body is as follows: Step A: According to the design drawings, prepare concrete, steel bars for the well wall and well cover, and round steel for the second lifting ring; Step B: support the plate base template, tie the well wall and well cover steel bars, and reserve the pipeline opening at the set position; Step C, tying the second lifting ring round steel to the set position of the manhole cover steel bar; Step D, pouring concrete for the well wall and well cover, and performing maintenance; Step E: After the maintenance is completed, the outer side surface of the lower end of the well wall is roughened.

[0015] The number and specifications of the pipeline openings are reserved according to design requirements.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. The prefabricated rainwater well chamber has the advantages of simple operation and fast construction speed, and can be completed by on-site construction personnel.

[0017] 2. Materials can be prefabricated in advance; the safety is relatively high, which greatly reduces the time workers spend in the foundation pit; the quality can be controlled after construction, improving the construction quality.

[0018] 3. Save space and greatly reduce underground construction work surface; the flow channel can be built after the rainwater pipe is installed, and the process is closely interspersed, saving construction time 4. This method is of great significance in solving the construction problems of long construction time, maintenance and limited operation space of cast-in-place rainwater wells in municipal engineering. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the plate seat structure of the assembled rainwater well chamber of the present invention.

[0020] Figure 2 It is a schematic diagram of the well chamber structure of the assembled rainwater well chamber of the present invention.

[0021] Figure 3 It is a schematic diagram of the construction of the plate base of the assembled rainwater well chamber of the present invention.

[0022] Figure 4 It is a schematic diagram of the construction of the assembled rainwater well chamber of the present invention.

[0023] Among them, the markings in the figure are: 1-concrete base; 2-first lifting ring; 3-roughened part of the base; 4-SPC polymer mortar; 5-concrete well body; 6-second lifting ring; 7-roughened part of the well body; 8-first reserved hole; 9-second reserved hole; 10-bottom of the foundation pit. DETAILED DESCRIPTION

[0024] The structure and working process of the present invention will be further described below in conjunction with the accompanying drawings.

[0025] A prefabricated rainwater well chamber comprises a plate base and a well chamber which are matched and assembled with each other, wherein the plate base comprises a reinforced concrete base and a first lifting ring, the reinforced concrete base comprises a bottom plate and an integrally arranged upwardly-turned wall, the first lifting ring is symmetrically arranged at the upper end of the upwardly-turned wall; the well chamber comprises a concrete well body and a second lifting ring, the concrete well body comprises an integrally-arranged well cover and well wall, the second lifting ring is arranged at the upper end of the well cover, and reserved openings for pipes are also arranged on the well cover and the well wall; the outer side of the well wall at the lower end of the concrete well body and the corresponding positions on the inner side of the upwardly-turned wall of the concrete base are roughened.

[0026] Specific embodiments, such as Figures 1 to 4 As shown, A prefabricated rainwater well chamber comprises a plate base and a well chamber which are matched and assembled with each other, wherein the plate base comprises a reinforced concrete base 1 and a first lifting ring 2, the reinforced concrete base 1 comprises a bottom plate and an integrally arranged upwardly turned wall, the first lifting ring 2 is symmetrically arranged at the upper end of the upwardly turned wall; the well chamber comprises a concrete well body 5 and a second lifting ring 6, the concrete well body 5 comprises an integrally arranged well cover and well wall, the second lifting ring 6 is arranged at the upper end of the well cover, reserved openings for pipes are also arranged on the well cover and the well wall, a first reserved opening 8 is arranged on the well cover, and a second reserved opening 9 is arranged on the well wall; the outer side of the lower end of the well wall of the concrete well body 5 is provided with a well body roughening portion 7, and the corresponding position on the inner side of the upwardly turned wall of the concrete base 1 is provided with a base roughening portion 3.

[0027] The first hanging ring 2 is a round steel structure, which is welded to the steel bars of the upper wall of the concrete base 1 and is pre-embedded and cast.

[0028] A reserved opening for pipelines is arranged on the manhole cover, and at least two reserved openings for pipelines are symmetrically arranged on the well body.

[0029] The well chamber is installed on the plate seat, and the gap in the middle is filled with SPC polymer mortar 4.

[0030] The second lifting ring 6 is a round steel structure, which is welded to the steel bars of the manhole cover and pre-buried and cast.

[0031] The concrete grade and reinforcement of the base and well body are configured according to design requirements.

[0032] The construction method of the assembled rainwater well chamber comprises the following steps: Step 1, making the plate base and the well chamber; Step 2: hoist the plate seat to the bottom of the foundation pit 10, and use SPC polymer mortar to plaster the roughened area; Step 3: Hoist the well chamber above the plate seat, align it, lower it to the plastering area inside the plate seat, and make adjustments; Step 4: After the plaster solidifies, complete the well chamber installation. Specific embodiments The construction method of the assembled rainwater well chamber comprises the following steps: The first step is construction preparation: On-site production of plate base components and well chamber components 1. Plate base components: The prefabricated plate base consists of two components: a base and a lifting ring. The base component is a reinforced concrete base (the concrete grade and reinforcement are set according to the design requirements of the drawings); the lifting ring is made of round steel. The lifting ring component and the base component are welded and pre-embedded. After the concrete plate base is poured and cured, the inner side of the upper wall is chiseled and cleaned 20cm to facilitate effective combination with the base component in the later stage.

[0034] 2. Well chamber components: The well chamber consists of two components: the well body and the lifting ring. The well body component is a reinforced concrete structure (the concrete grade and reinforcement are set according to the design requirements of the drawings), and a hole is reserved according to the pipe diameter; the lifting ring is made of round steel. The lifting ring component is welded and embedded with the well body component steel bars. After the well chamber is cast, the outer bottom 20cm of the well wall is chiseled and cleaned to facilitate effective combination with the plate seat component later.

[0035] Step 2: After hoisting the plate base component to the bottom of the foundation pit, use SPC polymer mortar to plaster 1cm thick.

[0036] Step 3: Hoist the well chamber components into the plate base components, so that the No. 2 component and the No. 1 structure are effectively combined under the action of SPC polymer mortar.

[0037] The manufacturing method of the plate seat is as follows: Step a: According to the design drawing requirements, prepare concrete, plate base steel bars and first lifting ring round steel; Step b, support the plate base formwork and tie the base reinforcement; Step c, tying the first lifting ring round steel to the set position of the base steel bar; Step d, pouring slab base concrete and performing curing; Step e: After the curing is completed, the inner side of the upper wall of the base is roughened.

[0038] The method for making the well body is as follows: Step A: According to the design drawings, prepare concrete, steel bars for the well wall and well cover, and round steel for the second lifting ring; Step B: support the plate base template, tie the well wall and well cover steel bars, and reserve the pipeline opening at the set position; Step C, tying the second lifting ring round steel to the set position of the manhole cover steel bar; Step D, pouring concrete for the well wall and well cover, and performing maintenance; Step E: After the maintenance is completed, the outer side surface of the lower end of the well wall is roughened.

[0039] The number and specifications of the pipeline openings are reserved according to design requirements.

[0040] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0041] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0042] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0043] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0044] It should be understood that the present solution is not limited to the above-mentioned specific implementation methods, and the devices and structures not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can use the above-disclosed methods and technical contents to make many possible changes and modifications to the technical solution of the present solution without departing from the scope of the technical solution of the present solution, or modify it into an equivalent embodiment with equivalent changes, which does not affect the essential content of the present solution. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present solution without departing from the content of the technical solution of the present solution still falls within the scope of protection of the technical solution of the present solution.

Claims

1. An assembled rainwater well chamber, characterized in that: It includes a plate base and a well chamber that are assembled to match each other, wherein the plate base includes a reinforced concrete base and a first lifting ring, the reinforced concrete base includes a bottom plate and an integrally arranged upper flip wall, and the first lifting ring is symmetrically arranged at the upper end of the upper flip wall; the well chamber includes a concrete well body and a second lifting ring, the concrete well body includes an integrally arranged well cover and well wall, the second lifting ring is arranged at the upper end of the well cover, and reserved openings for pipelines are also arranged on the well cover and the well wall; the outer side of the lower end of the well wall of the concrete well body and the corresponding positions on the inner side of the upper flip wall of the concrete base are roughened.

2. The assembled rainwater well chamber according to claim 1 is characterized in that: The first lifting ring is a round steel structure, which is welded to the steel bars of the upper wall of the concrete base and is pre-embedded and cast.

3. The assembled rainwater well chamber according to claim 1 is characterized in that: A reserved opening for pipelines is arranged on the manhole cover, and at least two reserved openings for pipelines are symmetrically arranged on the well body.

4. The assembled rainwater well chamber according to claim 1 is characterized in that: The well chamber is installed on the plate seat, and the gap in the middle is filled with SPC polymer mortar.

5. The assembled rainwater well chamber according to claim 1 is characterized in that: The second lifting ring is a round steel structure, which is welded to the steel bars of the manhole cover and is pre-embedded and cast.

6. The assembled rainwater well chamber according to claim 1, characterized in that: The concrete grade and reinforcement of the base and well body are configured according to design requirements.

7. The construction method of the assembled rainwater well chamber is characterized by: The steps include: Step 1, making the plate base and the well chamber according to any one of claims 1 to 6; Step 2: Hoist the plate base to the bottom of the foundation pit and apply SPC polymer mortar to the roughened area; Step 3: Hoist the well chamber above the plate seat, align it, lower it to the plastering area inside the plate seat, and make adjustments; Step 4: After the plaster solidifies, complete the well chamber installation.

8. The construction method of the assembled rainwater well chamber according to claim 7 is characterized in that: The manufacturing method of the plate seat is as follows: Step a: According to the design drawing requirements, prepare concrete, plate base steel bars and first lifting ring round steel; Step b, support the plate base formwork and tie the base reinforcement; Step c, tying the first lifting ring round steel to the set position of the base steel bar; Step d, pouring slab base concrete and performing curing; Step e: After the curing is completed, the inner side of the upper wall of the base is roughened.

9. The construction method of the assembled rainwater well chamber according to claim 7, characterized in that: The method for making the well body is as follows: Step A: According to the design drawings, prepare concrete, steel bars for the well wall and well cover, and round steel for the second lifting ring; Step B: Support the plate base template, tie the well wall and well cover steel bars, and reserve the pipeline opening at the set position; Step C, tying the second lifting ring round steel to the set position of the manhole cover steel bar; Step D, pouring concrete for the well wall and well cover, and performing maintenance; Step E: After the maintenance is completed, the outer side surface of the lower end of the well wall is roughened.

10. The construction method of the assembled rainwater well chamber according to claim 9, characterized in that: The number and specifications of the pipeline openings are reserved according to design requirements.

Images