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1.什么是检查井？

1. what is the check well?




检查井俗称“窨井”，它是通过埋地与城市地下管网相连接的管网汇合枢纽，是便于定期检查、清洁和疏通管道，防止管道堵塞的工作站，凡是安埋有给水、排水、电信、电力、燃气、供热、消防、环卫等公用管网设施的地方就需要安装检查井。排水用检查井是城市中最常用的检查井。

Check the well known as the "manhole", it is connected by underground and city underground pipe network confluence hub, is convenient for regular inspection, cleaning and dredging pipeline, to prevent the blockage of the pipeline buried all workstations, safety of water supply and drainage, telecommunications, electricity, gas, heating, fire, sanitation and other public facilities of the local network you will need to install the inspection wells. The inspection well for drainage is the most commonly used inspection well in the city.




2.排水用检查井有哪些种类？

2. what are the types of the inspection wells for drainage?




（1）排水用检查井按功能分为雨水井、污水井、水封井及跌水井等。

(1) the inspection wells used for drainage are divided into rain water wells, sewage wells, water sealing wells and water wells according to their functions.




（2）排水用检查井按形状可分为圆形井、矩形井和扇形井。

(2) the inspection wells for drainage can be divided into circular wells, rectangular wells and fan-shaped wells according to their shape.




一般井径在1500㎜以下、管径在800㎜以下的检查井多采用圆形井，超过以上尺寸一般需采用扇形井或矩形井。

The general inspection wells well diameter 1500 mm in diameter, 800 mm in the following round wells, more than the size of the sector generally requires the use of wells or rectangular well.




（3）排水用检查井按管道交汇形式可分为：直线井、转弯井、三通或四通交汇井等，具体见附录C。

(3) the inspection wells for drainage can be divided into linear wells, turning wells, three or four interchange wells, especially in Appendix C.