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온도에 따른 콘크리트 구조체 단면 보수용 폴리머 모르타르의 기초적 연구
서정필 ( Jung Pil Seo ),김재원 ( Jae Won Kim ),이정구 ( Jung Koo Lee ),최훈국 ( Hun-gug Choi ),강철 ( Cheol Kang ),김진만 ( Jin Man Kim ) 한국건축시공학회 2007 한국건축시공학회 학술발표대회 논문집 Vol.7 No.1
Nowadays, polymer-cement mortars are widely used in construction field(floorings and pavements, water-proofings, adhesives, repair materials, deck coverings, anti-corrosive linings) Because of excellent performance such as high tensile and flexural strength, water-proofness, excellent adhesion, good durability, improved wear and chemical resistances. This article presents the results of experimental study that investigates the effect of ambient temperature on the strength properties of polymer-modified cement mortar. Results show that when increasing the polymer proportion in mortar on different ambient temperature, the compressive strength and flexural strength are decreased, and also alkali resistance is decreased.
급냉 제강 슬래그 잔골재 대체율에 따른 불포화 폴리에스테르 폴리머 콘크리트의 유동성 및 압축강도 특성
김재원 ( Jae-won Kim ),서정필 ( Jung-pil Seo ),선정수 ( Joung-soo Sun ),최덕진 ( Duck-jin Chi ),황의환 ( Eui-hwan Hwang ),김진만 ( Jin-man Kim ) 한국건축시공학회 2007 한국건축시공학회 학술발표대회 논문집 Vol.7 No.1
This study dealt with the influence of the replacement ratio of rapidly-chilled steel slag on fluidity and compressive strength of unsaturated polyester polymer concretes. The rapidly-chilled steel slag used in this study, a by-product which is produced by refining pig iron during the manufacture of steel, was controled by a air-jet method which rapidly cools substance melted at a high temperature. Experimental results show that fluidity and compressive strength of unsaturated polyester polymer concretes increase with increasing replacement ratio of rapidly-chilled steel slag. Use of rapidly-chilled steel slag was found to be effective for improving fluidity and compressive strength of rapidly-chilled steel slag.