Prevent sedimentation the dominant position that well of nodular cast iron covers

author： Time：2025-03-19 Browse：

Prevent now sedimentation lid of well of nodular cast iron is very popular, prevented sedimentationed advantage to get because of it of a lot of businesen look at in person, xin Shengrong is done for you below tell about simply.

One, well lid casing and road surface make an organic whole, below outside pressure action, well lid is met as road surface sedimentation and sedimentation, accomplish cover board of as ooth as road surface neat; and foundation frame joint to use hinge, removed; of action of guard against theft effectively

Reduce pressure to inspection shaft, well casing is not direct bear press on inspection shaft of bricky build by laying bricks or stones, come from traffic load the pressure of 0.85 is conducted through bitumen layer on road surface, won't destroy the infrastructure layer; of road surface so

2, embedded glue have defend noise action, lock up bedspring arm system oneself 3 design with 3 calories of reed, prevent side to move, prevent jump car; is relatively other defend sedimentationed measure, construction and maintain cost lower

3, the bitumen concrete below well casing is encased by the wide margin of well casing, avoid rainwater to permeate roadbed, protected the combinative area of well casing and bitumen, won't cause combinative scale aperture to greaten;