METHOD OF DETECTING DRAIN AND AIR LEAK FROM STORAGE FACILITIES IN BASE ROCK
PROBLEM TO BE SOLVED: To ensure simplification of an execution work process and reliability for a long period. SOLUTION: The storage facilities in a base rock are provided with a pressure proof buffer material 14 set up to an inner surface side of a cavity part 12 formed in a base rock 10 and an air...
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| creator | OKAI DAIHACHI TAKEUCHI KUNIFUMI SHIMURA TOMOYUKI YANO YASUNARI |
| description | PROBLEM TO BE SOLVED: To ensure simplification of an execution work process and reliability for a long period. SOLUTION: The storage facilities in a base rock are provided with a pressure proof buffer material 14 set up to an inner surface side of a cavity part 12 formed in a base rock 10 and an air-tight material 16 of metal lining layer or the like of air tightness provided in an inner surface side of this pressure proof buffer material 14. An air leak detection part 18 is arranged in the upward of the pressure proof buffer material 14, a water drain part 20 is provided in the downward. A linear drain material 22 is set up in an external periphery of the pressure proof buffer material 14. The linear drain material 22 is constituted by a fiber having permeability of air and water along a lengthwise axial direction, to be formed with an opening over its total length. The linear drain material 22 has a plurality of turned around annular parts 24 and a plurality of axial direction extended parts 26 crossed so as to be orthogonal to the annular part 24. The drain material 22 is provided with a function of a drain passage and an air leak detecting passage. |
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SOLUTION: The storage facilities in a base rock are provided with a pressure proof buffer material 14 set up to an inner surface side of a cavity part 12 formed in a base rock 10 and an air-tight material 16 of metal lining layer or the like of air tightness provided in an inner surface side of this pressure proof buffer material 14. An air leak detection part 18 is arranged in the upward of the pressure proof buffer material 14, a water drain part 20 is provided in the downward. A linear drain material 22 is set up in an external periphery of the pressure proof buffer material 14. The linear drain material 22 is constituted by a fiber having permeability of air and water along a lengthwise axial direction, to be formed with an opening over its total length. The linear drain material 22 has a plurality of turned around annular parts 24 and a plurality of axial direction extended parts 26 crossed so as to be orthogonal to the annular part 24. The drain material 22 is provided with a function of a drain passage and an air leak detecting passage.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BLASTING CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING EMBANKMENTS EXCAVATIONS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED CONSTRUCTIONS FIXED-CAPACITY GAS-HOLDERS FOUNDATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING HYDRAULIC ENGINEERING LIGHTING MECHANICAL ENGINEERING PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SOIL SHIFTING STORING STORING OF DISTRIBUTING GASES OR LIQUIDS TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS |
| title | METHOD OF DETECTING DRAIN AND AIR LEAK FROM STORAGE FACILITIES IN BASE ROCK |
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