SU1548454A1 - Method of milling cracks in metal hydraulic insulation of underground structures - Google Patents

Abstract

The invention relates to the field of operation of facilities. The goal is to accelerate and cheapen the repair of cracks with water flowing under pressure. A threaded hole is made below the crack, the crack zone is cleaned and degreased. A cement solution is prepared with a filler in the form of a ferromagnetic powder and Sprut glue is added in a weight ratio of 5:10:10 to form a plaster. The latter is applied to magnets covered with a waterproof film, applied to the crack and pressed. The magnets are left to cure the solution, after which the magnets are removed and cleaned the hardened solution. The threaded hole is closed with a plug with a washer dipped in sprout glue. The whole construction with the repaired area is covered with an anti-corrosion compound. 1 hp f-ly, 1 ill.

Description

The invention relates to the operation of structures, in particular to the incorporation of cracks in the internal metalworking insulation, through which water flows inside the premises.

The purpose of the invention is to accelerate and cheapen the repair of cracks with water flowing under pressure.

In the drawing, the supporting structure, section is given.

The drawing shows the supporting structure, metaplogidroizoltsi 2, crack 3 in the metal and hydroisolation, cement slurry 4 based on waterproof adhesive Sprut, release film 5, permanent magnets 6, hole 7 with a thread for draining water.

The wet cracking of the proposed method is as follows: holes are made below the crack with an internal thread to relieve water, cleaned and degreased the crack zone 3, prepare a cement solution with a filler in the form of a ferromagnetic powder and add Sprut glue in a weight ratio of 5 : 10:: 10, form a plaster by applying a solution on the magnets 6, covered with a waterproof film 5. Apply magnets 6 with solution 4 on the crack 3 with a quick movement, press it with your hands for about one minute to passed into the cavity for metal hydrolysis 2. The magnets 6 are left until solution 3 is cured for about 2-3 hours, after which the magnets are removed, the hardened solution is cleaned. Openings 7 for relieving water pressure are closed with a plug on the thread

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with a rubber or lead washer dipped in Sprut glue. The repaired area is covered with an anti-corrosion compound.

Created from the cement slurry in the fracture, the water barrier reinforced by ferromagnetic materials behind the crack and on the metal surface is sufficiently reliable and therefore it is not necessary to arrange a protective plaster on it.

Claims (2)

Invention Formula one . A method for sealing cracks in metal waterproofing of underground structures, including applying to the protected defective area a preformed patch of cement mortar with a filler in the form of a ferromagnetic powder, a waterproof film and a permanent five 0 the magnet, pressing the plaster, stripping and coating the structure with an anticorrosive composition after hardening the solution and removing the magnet, characterized in that, in order to accelerate and reduce the incorporation of cracks with water under pressure, before applying the plaster, below the crack, a threaded hole is made and before coating anti-corrosion structure, the threaded hole is closed with a threaded plug with a washer moistened with adhesive, while in the cement solution with a filler in the form of a ferromagnetic powder is added th Octopus in the ratio 5:10:10. 2. A method according to claim 1, characterized in that a sprung glue is used to wet the washer of the plug. Editor L.Zaytseva Compiled by L. Chistova Tehred A. KravchukCorrector S.Cherni Order 125 Circulation 384 VNIIPI State Committee for Inventions and Discoveries at the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, Raushsk nab., 475 Subscription