Steel socket reinforced concrete pipe with detachable inflatable bag

A steel socket reinforced concrete pipe with a detachable inflatable bag comprises a reinforced concrete pipe body, a steel socket, the inflatable bag, a breather pipe and a fixing device. The steel bell mouth comprises a first steel bell mouth and a second steel bell mouth, and the first steel bell mouth and the second steel bell mouth are respectively arranged at two ends of the reinforced concrete; the inflatable bag is located in the reinforced concrete pipe and is filled with gas through the breather pipe; one end of the breather pipe is in sealed connection with the end, facing the first steel bellmouth, of the inflation bag, and the breather pipe communicates with the interior of the inflation bag. The other end of the breather pipe extends out of the first steel socket and is provided with a sealing plug; the breather pipe is detachably connected with the first steel socket through a fixing device. According to the utility model, the inflatable bag is additionally arranged in the reinforced concrete,