UNDERWATER NON-SEPARABLE MATERIAL PUMPING METHOD AND UNDERWATER NON-SEPARABLE MATERIAL PUMPING SYSTEM

• Main Authors: OKAMOTO MICHITAKA, SASAOKA RIE, YANAI SHUJI, SAKATA NOBORU, YOSHIDA YUMA
• Format: Patent
• Language: English; Japanese
• Published: 24.12.2020
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; CONVEYING; EMBANKMENTS; EXCAVATIONS; FIXED CONSTRUCTIONS; FORMS; FOUNDATIONS; HANDLING BUILDING MATERIALS ON THE SITE; HANDLING THIN OR FILAMENTARY MATERIAL; HYDRAULIC ENGINEERING; PACKING; PERFORMING OPERATIONS; PNEUMATIC TUBE CONVEYORS; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHOP CONVEYOR SYSTEMS; SHUTTERING; SOIL SHIFTING; STORING; TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING; TRANSPORTING; UNDERGROUND OR UNDERWATER STRUCTURES

To provide an underwater non-separable material pumping method and an underwater non-separable material pumping system capable of efficiently pumping a cement-based material having underwater non-separability over a long distance with a simple configuration.SOLUTION: An underwater inseparable material pumping method according to one embodiment of this invention is an underwater inseparable material pumping method in which a cement-based material M having underwater inseparability is pumped inside a pipe H, and comprises a step of injecting a liquid E having viscosity lower than that of the cement-based material M into the pipe H through a liquid injection pipe 13, and a step of adhering the injected liquid E to the inner surface S of the pipe H to form a lubricating layer L on the inner surface S.SELECTED DRAWING: Figure 2 【課題】簡易な構成で水中不分離性を有するセメント系材料を効率よく長距離圧送することができる水中不分離性材料圧送方法及び水中不分離性材料圧送システムを提供する。【解決手段】一実施形態に係る水中不分離性材料圧送方法は、水中不分離性を有するセメント系材料Ｍを配管Ｈの内部において圧送する水中不分離性材料圧送方法であって、注液管１３を通じて配管Ｈの内部にセメント系材料Ｍよりも粘性が低い液体Ｅを注入する工程と、注入された液体Ｅを配管Ｈの内面Ｓに付着させて内面Ｓに潤滑層Ｌを形成する工程と、を備える。【選択図】図２