E - Fixed Constructions – 02 – D
Patent
E - Fixed Constructions
02
D
61/48, 94/53
E02D 3/12 (2006.01)
Patent
CA 1057068
ABSTRACT OF THE DISCLOSURE Voids in at least a part of an artificial or natural structure adjacent an exposed surface of the structure are filled with hardenable material to strengthen the structure by closely fitting over the exposed surface a flexible fluid-impermeable covering having adjacent its boundary edges an endless hollow wall that surrounds and opens towards said covered surface and sealing boundary edges of the covering to the structure to hollow walls. Air and any other fluid is evacuated from the hollow wall and from voids adjacent said covered surface and hardenable material in a liquid or semi-liquid state is allowed to enter into the evacuated voids until the hardenable material appears at openings of voids in said covered surface. The hardenable material is then allowed to set.
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