224隊朱發秀同志建議將φ146廢岩心管墩成井壁管接手,其方法簡單,質量合乎要求。墩製時,將岩心管加熱到約800℃左右時置於墩管具中(如圖),以锤攀打,即墩成所需井壁管接手的外形,然 224 team Comrade Zhu Faixiu proposed φ146 waste core pipe pier as a well wall pipe take over, the method is simple, the quality requirements. Pier system, the core tube heated to about 800 ℃ when placed in the pier pipe tools (pictured), to hammer pounding, that pier into the shape of the required wall pipe handle shape,