Plastic inspection wells, commonly known as plastic manholes, are drainage ancillary structures that are installed at intersections, turns, changes in pipe diameter or slope, places where water falls, or at regular intervals on straight pipe sections to facilitate regular inspection, cleaning, and dredging of pipes. . Huifeng Plastic Inspection Well
Most of the well seats of plastic inspection wells are made of one-time injection molding with accessories such as reducing joints, variable angle joints and rubber sealing rings to achieve connections that change pipe diameters and angles. Plastic inspection wells are equipped with manhole covers, well shafts and related accessories. The road load acts around the inspection well through the manhole cover and well seat to avoid damage to the inspection well by the road load. The well seat has the function of floating up and down, which can actively adapt to the height changes of the road surface. At the same time, the well shaft adopts a special shaft, which can be cut to the corresponding length according to the on-site burial depth, which is flexible and convenient. The connection between the wellbore, water inlet (outlet) pipes and the well base adopts rubber sealing ring, flexible socket connection or heat shrink sleeve connection, which can adapt to angle changes within a small range. The construction is convenient and fast. The sealing performance is good and anti-leakage, effectively preventing groundwater. The secondary pollution is an environmentally friendly and energy-saving building material.
Plastic inspection wells can be divided into plastic inspection wells for drainage in construction areas and plastic inspection wells for municipal drainage.
The applicable scope of plastic inspection wells
) The outer diameter of buried plastic drainage pipes in construction areas (residential areas, public building areas, factory areas, etc.), urban and rural municipal administration, industrial parks, old city renovation, etc. is not larger than , the design, construction and maintenance of plastic drainage inspection well projects with a burial depth of no greater than 1.
) Construction of plastic drainage inspection wells under general soil conditions, soft soil conditions, seasonally frozen soil conditions and collapsible loess soil conditions.
) Areas with seismic fortification cracks of 10 degrees and below.
) The ground load of the general lane is designed based on the total weight of the vehicle (rear wheel pressure). The ground load of the fire lane is designed based on the total weight of the vehicle (rear wheel pressure).
) The groundwater level is designed to be no higher than the ground level.
Selection of plastic inspection well components:
) Inspection well seats with flow channels should be used on sewage pipes
) The well seats of inspection wells on rainwater pipes should meet the following requirements:
. The road rainwater outlet should use a well seat with a sedimentation chamber
. When an inspection well that requires a sedimentation chamber well seat is installed on the rainwater pipe, it should be installed at an inspection well with an outer diameter of the wellbore
greater than or equal to
/> Other rainwater inspection wells can use well seats with flow channels
Functional advantages
The functional advantages of plastic inspection wells mainly include five points: land saving, energy saving, water saving, material saving, and environmental protection.
, resistant to acid and alkali corrosion, aging, and long service life.
, safe and environmentally friendly, well sealed to prevent leakage. The material of the plastic inspection well is high-density polyethylene plastic, which is non-toxic and odorless and can be recycled after use. It has good sealing properties and can prevent the leakage and leakage of rainwater and sewage to prevent groundwater pollution. It is a chemical environmentally friendly building material that complies with the national environmental protection policies.
, uniform settlement and pressure resistance. The flexible connection between the pipe and the well seat allows the clay in the pipe and the well seat to move together, which solves the uneven settlement problem caused by the connection between the traditional inspection well and the plastic pipe and effectively prevents ground collapse.
, construction is convenient and fast. Adopting a split assembly structure, the wellbore can be cut on site and adjusted to meet various installation depth requirements, effectively reducing costs and greatly improving construction progress. The construction period is more than twice that of traditional inspection wells, and brick inspection wells and other cement brick wells can be constructed around the clock. It's incomparable.
, efficient drainage. The inner wall is smooth and smooth, and is equipped with a diversion groove, which prevents dirt from being retained, reducing the possibility of blockage. It has excellent drainage performance, and the rainwater and sewage discharge rate is ~ times that of traditional inspection wells.
, light weight, easy to transport and install, reliable performance, strong load-bearing capacity, strong adaptability, complete varieties, the height of the shaft can be adjusted arbitrarily, and the direction of the adjustment direction can be adjusted by drilling holes on the barrel to meet all the needs of engineering installation.
. Low overall cost and low maintenance cost. It has more advantages than traditional inspection wells. It can be recycled and reused, which has huge social benefits.
, good sealing performance, anti-leakage. Due to the flexible connection method: it is flexible and convenient and can overcome the harsh construction environment of wind, dust and sand. It can also overcome the difficulty of repeated insertion due to increased road surface.
, save materials. The plastic inspection well is made of polymer resin instead of red brick cement, saving topsoil resources. The specifications used in the building community are reduced, which greatly saves the land space occupied by the buried inspection well.
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