A large integral inspection well and its preparation method

Abstract

The invention discloses a large-scale integrated inspection well and a preparation method thereof. The inspection well comprises a cylindrical plastic outer wall, a cylindrical plastic inner wall located inside the cylindrical shape of the plastic outer wall, an integrally cast cement concrete wall core, and a receiving branch pipe; The cement concrete wall core is located between the plastic outer wall and the plastic inner wall; the plastic outer wall includes the outer wall of the plastic closure, the outer wall of the plastic well and the outer wall of the plastic well seat with the bottom arranged in order from top to bottom; The inner wall of the plastic closure, the inner wall of the plastic well and the inner wall of the plastic well seat provided with the bottom are supported. At the construction site, the spliced ​​and combined plastic outer wall and inner wall are used as formwork for cement concrete pouring, and the cement concrete mechanized construction equipment is poured with cement concrete base and cement concrete wall core as a whole. The invention reduces labor intensity and construction cost, improves construction efficiency, and improves large-scale Check the strength and tightness of the well.

Description

technical field [0001] The invention relates to the technical field of inspection wells, in particular to a large integral inspection well and a preparation method thereof. Background technique [0002] The inspection wells of the municipal road water supply and drainage pipe network system are commonly called "inspection wells". Inspect, clean and unclog plumbing drainage appurtenances. The inspection wells of municipal roads are usually large-scale inspection wells, generally with an outer diameter greater than 1000mm and a height greater than 1500mm. Use brick-concrete, cement, plastic and other materials. Large-scale inspection wells not only carry pressure loads such as traffic flow and earthwork on the road, but large-scale inspection wells must meet strong compressive and bending strength requirements in both radial and axial directions. [0003] The traditional large-scale inspection well is a brick-concrete structure made of artificial bricks. The disadvantages o...

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Problems solved by technology

[0003] The traditional large-scale inspection well is a brick-concrete structure made of artificial bricks. The disadvantages of artificial brick-built brick-concrete are long construction period, high labor intensity and high cost.

Large-scale inspection wells using cement products are generally assembled components, such as patent application number: 201510181534 "a prefabricated assembly inspection well and its construction method", patent application number: 201911174852 "fabricated large reinforced concrete prefabricated inspection well and its construction "method", etc., the disadvantage is that the sealing of the joint combination of cement products is not good, and the joint is easy to fall off and separate.

At present, a large number of plastic inspection wells are used in municipal roads. However, due to the insufficient rigidity of plastic inspection wells, plastic inspection wells are only suitable for park construction with light loads, road green belts, and roads in residential areas, etc., and are not suitable for main roads with heavy loads.

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