当前混凝土检查井型式
1、 Current types of concrete inspection wells
图片
picture
【上图】是我国当前常用混凝土检查井几种型式。
[figure above] shows several types of concrete inspection wells commonly used in China.
(a) 特点是：使用马蹄形收口圈；上下井室组合；下井室独立底板；下井室上开置圆孔与管道连接。
(a) The features are as follows: using horseshoe shaped necking ring; Combination of upper and lower chambers; Independent bottom plate of down hole chamber; A round hole is arranged on the downhole chamber to connect with the pipeline.
(b) 特点是：不使用收口圈；上下井室组合；井室上独立顶板；井室下独立底板；下井室上开置圆孔与管道连接。
(b) The features are: no use of necking ring; Combination of upper and lower chambers; Independent roof on well chamber; Independent floor under well chamber; A round hole is arranged on the downhole chamber to connect with the pipeline.
(c) 特点是：圆锥形收口圈，矩形井室，上下井室组合，各开半孔，各带顶板和底板。
(c) The features are: conical closing ring, rectangular well chamber, upper and lower well chamber combination, each with half hole, each with roof and floor.
(d) 矩形井室；不使用收口圈；上井室带顶板；橡胶托辊 槽型托辊 皮带托辊 平行托辊 保定搬家 保定搬家电话 保定搬家公司 保定搬家 铜鼎 铜狮子下井室独立底板；下井室开置U形孔与管道连接。
(d) Rectangular well chamber; Do not use necking ring; Upper chamber with roof; Independent bottom plate of down hole chamber; A U-shaped hole is arranged in the lower well chamber to connect with the pipeline.