The gap on the edge of the manhole cover is sealed by cement. How to open it?

The manhole cover is stuck with cement, so it should be scraped off slowly with a hammer and a hairpin.

Because the cement manhole cover has not been opened for a long time, it is still stuck by cement, and dust, sediment and cement have accumulated between the manhole cover surface and the seat ring. If you want to open it, first clean up the dust and sediment between the manhole cover surface and the manhole cover seat, then knock it open with a hammer, then find an iron hook to hook the manhole cover hanging hole, and then open it with the power of the arch rod.

Maintenance method of manhole cover:

1, anti-theft: the function of anti-theft manhole cover installation is definitely anti-theft. In order to maintain the manhole cover, it is necessary to solve the problem of "the manhole cover and the well ring are locked into one". The well-designed manhole cover needs special opening tools and methods to open the manhole cover.

2, rust: anti-theft manhole cover after installation, anti-theft, but pay attention to maintenance, to prevent rust.

3. Anti-sawing: After installation, the exposed part of the manhole cover is not easy to be damaged. When the exposed part is damaged, the firmness of the manhole cover will be reduced.

4. Crack resistance: It is necessary to install a manhole cover that will not crack under harsh conditions of high temperature or low temperature, and its frost resistance and impact resistance are extremely high.

5. Anti-prying, anti-jumping and anti-noise: In order to make the manhole cover closely connected with the well ring, all kinds of prying tools can not be started, which can prevent the problems of well jumping, noise and other obstacles to public life caused by loose manhole cover.