INFLUENCE OF MODIFYING AGENT WITH HYDROPHOBIZATION EFFECT ON INCREASE OF OPERATIONAL CHARACTERISTICS OF VIBROPRESSED PRODUCTS-Reference-Cited by-同舟云学术

INFLUENCE OF MODIFYING AGENT WITH HYDROPHOBIZATION EFFECT ON INCREASE OF OPERATIONAL CHARACTERISTICS OF VIBROPRESSED PRODUCTS

Published:2019-10-14 Issue: Volume: Page:8-13
ISSN:2071-7318
Container-title:Bulletin of Belgorod State Technological University named after. V. G. Shukhov
language:en
Short-container-title:

Author:

Сулейманова Л.¹,Suleymanova L.²,Малюкова М.³,Malyukova M.⁴,Слепухин А.³,Slepuhin A.⁴,Крушельницкая Е.³,Krushel'nickaya E.⁴,Толстой А.Д.³,Tolstoy Aleksandr⁴

Affiliation:

1. Белгородский государственный технологический университет им. В.Г. Шухова

2. Belgorodskiy gosudarstvennyy tehnologicheskiy universitet im. V.G. Shuhova

3. Белгородский государственный технологический университет им В.Г. Шухова

4. Belgorod State Technological University named after V.G. Shukhov

Abstract

In the article the method of volumetric hydrophobization by insertion of modifying agents with hydrophobization effect directly in concrete mixture on the stage of mixing is considered and the degree of their influence on physics-mathematics properties of vibropressed products which made on technological line with optimal granulometry, water to cement proportion and parameters of forming is estimated, so that the geometrical dimensions of moulded products satisfy required sizes and limits, and appearance of front-face area satisfied A3 category. There was established the increase of operational characteristics of concrete walkway vibropressed slabs when in use of polyfunctional modifying agents with hydrophobization effect – Murasan BWA 17 and SikaPaver AE-2 in 0.5 % cement weight quantity, wherein there was found the increase of compressive strength of slabs on 23 %, frost resistance on 50 cycles and decrease of water absorption up to 45 % which allows increasing the longevity of small-pieces products. Insertion of volumetric modifier-hydrophobisator Akvasil, only with a mono-characteristic to decrease of water absorption, has negative role on strength characteristics of vibropressed products with decrease of concrete compressive strength by 12 %.

Publisher

BSTU named after V.G. Shukhov

Subject

Psychiatry and Mental health,Neuropsychology and Physiological Psychology

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