Use of epoxy compounds in structural elements and insulation in the Kislogubsk tidal power station

Igonin, L.A.; Pshenitsyn, P. A.; Сахаров, В. И.

doi:10.1007/bf02378889

Hydrotechnical Construction

1971

DOI: 10.1007/bf02378889

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Use of epoxy compounds in structural elements and insulation in the Kislogubsk tidal power station

L.A. Igonin¹,

P. A. Pshenitsyn²,

В. И. Сахаров³

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Cited by 4 publications

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“…In all, 1600 m z of insulation-waterproofing were appRed by the given method in 196'/-1968 [9]. In all, 1600 m z of insulation-waterproofing were appRed by the given method in 196'/-1968 [9].…”

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confidence: 89%

Heat-insulating and waterproofing coatings of epoxy-coal tar foamed plastics

Сахаров¹

1975

Hydrotechnical Construction

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In the construction of hydraulic structures in regions with a rigorous climate the State Standard GOST 4795-68 for hydraulic engineering concrete calls for the construction of protective coatings having simultaneously high heat-insulating and waterproofing properties in the variable water-level zones of the structures. Heat-insulating and waterproofing coatings on a base of such traditional materials as mastic asphalts and lightweight asphaltic concretes with protective enclosures of metal and wood are finding use in hydraulic construction practice in the USSR[1-4]. However, the considerable weight (150-500 kg/mZ), labor requirements, and installation of numerous anchor bolts for securing the traditional insulating and waterproofing materials on the surfaces being protected stimulated the search for new types of protective coatings.One such new type of insulating and waterproofing coating is foamed epoxy, developed in the research department of the All-Union Planning, Surveying and Research Institute (Gidroproekt). The principal material is foamed epoxy-a foamed plastic on a base of epoxy resins produced on the site by simple mixing of the basic components in given ratios and sequence [5][6].

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Heat-insulating and waterproofing coatings of epoxy-coal tar foamed plastics

Сахаров¹

1975

Hydrotechnical Construction

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“…As a traditional watertight and antlcorrosive coating epoxy-coal tar waterproofing was used for the first time in 1968 for protecting the underwater elements of the Kislaya Guba tidal power plant [3]. The majority of the structural elements were protected by paint water- Total labor expenditure [13], man-days/m 2.…”

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Experience with the use and operation of epoxy-coal tar waterproofing

Сахаров¹

1979

Hydrotechnical Construction

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Waterproofing is one of the details of a hydraulic structure determining its reliability and, consequently, quality. The need to increase the effectiveness and quality of waterproofing is explained by a number of factors, the main ones being: the increasing amount of waterproofing works requires the use of waterproofing agents, the majority ~f works on the placement of which are emenable to mechanization; the increasing use of economic t~in-walled elements of a structure necessltates the creation of anchor-free crack-reslstant waterproofing simple in design and execution which would be able to operate successfully upon opening of cracks up to 1-2 mm wide in the structural elements being waterproofed; the development of the construction of high-heed hydroelectric stations requires the use of high-strength waterproofing that can retaln its properties under conditions of the constant effect of high shearing and compressive loads and hlgh-veloclty streams of water, but the acute shortage of mild and stainless steels practically precludes the possibility of using traditional waterproofing.Investigations and experience with the use and operation in the 1950-60s on the Lule and Suorva (Sweden), Nomeland (Norway), Victoria (USA), and Enel (Italy) dams showed that epoxy resln-based paint and fiberglass fabrlc-relnforced coatings meet many of the aforementioned requirements. However, the cost of such coatings (15-20 rubles/m s ) did not promote their widespread use.At the same time, beginning in the 1950s investigations end practical works were launched abroad and in various orEanizatlons of our country (B. E. Vedeneev All-Union Sclentiflc-Research Institute of Hydraulic Engineering (VNIIG), Scientlfic-Research Institute of Concrete and Reinforced Concrete (NIIZhB), Central Scientific-Research Institute of Transportation Construction (TsNIIS), All-Unlon Sclentlflc-Research and Development Institute of New Building Materials (VNIINSM), etc.) to reduce the cost of epoxy compositions (lacquers and enamels, mastics, polymer solutions, polymer concretes) by adding to them cheap coal-tar resins--the wastes of destructive distillation of coal.Since 1964 the research division of the All-Unlon Planning, Surveying, and ScientificResearch Institute (Gidroproekt) has been carrying out investigations and practical works* on introducing paint and fiberglass fabrlc-reinforced epoxy-coal tar waterproofing coatings [1,2].A primer, lacquer, and enamel containing the following initial materials (parts by weight) are used as the waterproofing materials in preparing the epoxy-coal tar coatings: epoxy resin ED-16, i00; coal tar, I00; plasticizer (oligoester acrylate MGF, liquid Thlokol NVB-2, liquid rubber SKN-18-1) 20; acetone, 100/50 (in the numerator for the primer, in the denominator for the lacquer and enamel); aluminm, powder, 20-30 (only for enamel); and polyethylene polyamiue, 10.

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The journal's role in disseminating information on certain promising designs of hydroelectric and tidal power plants

Bernshtein¹

1980

Hydrotechnical Construction

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Use of epoxy compounds in structural elements and insulation in the Kislogubsk tidal power station

Cited by 4 publications

References 1 publication

Heat-insulating and waterproofing coatings of epoxy-coal tar foamed plastics

Heat-insulating and waterproofing coatings of epoxy-coal tar foamed plastics

Experience with the use and operation of epoxy-coal tar waterproofing

The journal's role in disseminating information on certain promising designs of hydroelectric and tidal power plants

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