The grouting pipe is a kind of preembedded grouting pipe system,which is used for the permanent seal of the construction joints,cold joints,pipe seams,and the gap between the groun walls in the concrete.It is very suitable to install the grouting pipe between the new and the old concrete joints.When the water is seeping into the joint,it can be sealed by injecting the size of the PVC port on the surface to seal this method to seal the joint.The appropriate trouting time can be selected for grouting after the end of concrete curing.The leakage joint can also be used to make permanent seals.