Talking about the method of investigating the leakage channel

The leakage points are mostly concentrated on the intersection of the pipeline and the floor or wall, the intersection of the sanitary ware and the floor, the floor drain, the intersection of the floor, wall and floor. Generally speaking, if the leakage of the above-mentioned nodes is large, the leakage trace is vertical and vertical, it is easy to find the infiltration point or crack; but when the wall or floor is wet in a large area, or the leakage trace is twisted and long It is difficult to accurately lock the infiltration point and the leakage point. If the position is not accurate, it will be repaired. It will not only waste material manpower, but also block and leak. Therefore, it is a prerequisite to find the leakage point. Investigating the leak path can be performed by one or several of the following methods.

Direct observation method: This method is suitable for the part where the leakage is large and the plastic zipper leaks the trace straight, and the penetration point or crack can be determined by the position of the leaking point. When there is water in the upper level of the kitchen and bathroom, or when there is water pressure in the water pipe, the residents on the next floor can observe the roof of the kitchen, the corners, the holes around the plate and the water pipes, whether there is water droplets or whether the surface layer is wet or not. Mark the position of the seepage point, and then find the crack at the same position on the upper ground. As long as the leaking trace is perpendicular to the ground, the infiltration point or crack of the bottom leaking passage must be in the same position on the upper layer. On the floor of the building.

As for the water supply and drainage pipeline, the water droplets of the false leaking water can be dried first, and then the water flow is “reversely flowed up”, and the surface is dried and searched step by step to narrow the range. Finally, it is not difficult to find the seepage point and determine the leak position. The direct observation method is also often used in rainy days to find cracks in the roof, basement, and window holes with clear traces. Direct observation is straightforward, simple and practical, but subject to conditions, the leakage of the leaking trace is complicated, and the position cannot be accurately determined.

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