Being the PC concrete make fundamental plate which mounts the base of the purification

摘要

PROBLEM TO BE SOLVED: To provide a PC (precast) concrete foundation plate for an underground buried septic tank considerably reducing a construction period and a construction cost of septic tank burying work and attaining labor saving and uniformization of the burying work.;SOLUTION: The PC concrete foundation plate 12 for the underground buried septic tank has hanging holes 13 opened to the upper face; foundation plate lifting hangers 14 disposed in the hanging holes 13; fastening plates 17 integral with the foundation plate 12 and exposed on one side face or two opposed side faces of the foundation plate 12; and bolt lead-in holes 19 opened to one end upper edge part or both end opposed upper edge parts of the foundation plate 12, corresponding to the fastening plates 17. The fastening plate 17 is brought into contact with the fastening plate 17 of the adjacent foundation plate 12, and a bolt 22 is inserted and fastened into bolt fastening holes of the fastening plates 17 through the bolt lead-in holes 19 to connect the adjacent foundation plates 12.;COPYRIGHT: (C)2007,JPO&INPIT