{"product_id":"vliqnie-ognq-na-beton-von-valsson-varghese-und-vinayak-vaidhya","title":"Vliqnie ognq na beton","description":"\u003cp\u003eBeton qwlqetsq odnim iz widow stroitel'nyh materialow dlitel'nogo ispol'zowaniq, kotoryj mozhet äxpluatirowat'sq do 50 let i bolee, poätomu neobhodimo cenit' dolgowremennye swojstwa betona, takie kak ognestojkost' i dolgowechnost'. Mehanicheskie i prochnostnye harakteristiki betona sil'no uhudshaütsq iz-za razrusheniq mikrostruktury betona, kogda beton podwergaetsq wozdejstwiü wysokoj temperatury. Posle pozhara sil'no razrushennyj beton uzhe ne mozhet byt' ispol'zowan i budet zamenen nowym betonom w konstrukciqh RC. Odnako beton wse esche mozhno ispol'zowat' posle nekotorogo ukrepleniq i wosstanowleniq, esli temperatura nagrewa ne slishkom wysoka. S drugoj storony, na swojstwa ostatochnoj prochnosti powrezhdennogo ognem betona takzhe wliqet wysokaq temperatura, dazhe esli uhudshenie mehanicheskih swojstw ne qwlqetsq ser'eznym. Byli predprinqty popytki ocenit' wliqnie pozhara na swojstwa betona.\u003c\/p\u003e\u003cdiv class=\"aw-variant-hidden-subtitle-div\" id=\"aw-variant-subtitle-9786205343999\"\u003e\u003ch3\u003eJexperimental'noe issledowanie wliqniq ognq na beton s razlichnymi dobawkami\u003c\/h3\u003e\u003c\/div\u003e","brand":"Autorenwelt Shop","offers":[{"title":"Softcover - 9786205343999","offer_id":40681113190493,"sku":"9786205343999","price":19.8,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0622\/files\/76491383-9516-4998-8829-64730b4b54b8.jpg?v=1748756670","url":"https:\/\/shop.autorenwelt.de\/products\/vliqnie-ognq-na-beton-von-valsson-varghese-und-vinayak-vaidhya","provider":"Autorenwelt Shop","version":"1.0","type":"link"}