We all know that Zhengzhou cement drainage pipes are a type of pipe used for underground drainage systems, and they are essential in our daily lives. So, how can we address the issue of leaks at the joints of cement drainage pipes? Let's take a look together below.
How to Solve Leaks at the Joints of Zhengzhou Cement Drainage Pipes
Construction should be carried out according to specifications, including cleaning, roughening, priming, filling gaps, jointing, compacting, and smoothing. The foundation should also be well-prepared. Post-jointing maintenance is crucial, as is the ongoing care.
Zhengzhou cement drainage pipe manufacturer uses asphalt felt to seal the joints, applies a layer of asphalt on the surface, then wraps oil felt around the corresponding width of the joint, followed by another layer of asphalt. This method, known as "two oils and two materials," is how we typically see highway culverts treated. Depending on whether it's a socket pipe or a flat-end cement drainage pipe, it's essential to ensure no leakage. The same foundation work must be done; you can first pour the concrete bedding and then install the pipe, ensuring the pipe ends are flush. For socket pipes, place an appropriate amount of mortar under the pipe to ensure uniform width around the pipe mouth. Seal and fill the joints to tightly block the pipe seams. Pour a pipe belt to seal the joint at the pipe seam, operate according to specifications, and only strict adherence to construction operation standards can reduce leakage. To prevent leakage, a flexible joint is required, which involves using rubber strips and gaskets supplied with the cement drainage pipes. Purchase the gaskets at the same time as the cement pipes from the supplier.
What causes the white scaling on Zhengzhou cement drainage pipes?
Alkali efflorescence primarily manifests as the reaction between the strong alkali in the highly alkaline cement used for adhesion and acidic solutions in the air, typically acid rain or industrial and domestic acidic substances like carbonates. These reactions produce salts, which are then carried to the surface of tiles by water. Once the water evaporates, these salts appear as crystallized formations on the surface of the cement drainage pipes or at the joints. The basic reaction is acidic solution + alkali = salt + water. The resulting sodium salts are easily soluble in water and, upon encountering ample water, form an ionic solution, quickly leaving the original salt location and diffusing to other parts of the tiles and stone. As the water dries, the salts re-precipitate in the diffused areas, leading to the formation of new alkali efflorescence and salt precipitation phenomena.
