During the construction of socket-socket cement pipes, one end is pre-buried into the socket steel ring, with half of the ring embedded in concrete and the other half extending to hang down and form the socket. The other end is made into a shrinkage deformation socket that matches the steel ring, with the steel ring serving as the connecting plate during installation. The interface method for the steel socket involves using a rubber ring to prevent water leakage, but this type of joint is more suitable for small-diameter pipes.