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친환경 콘크리트 개발을 위한 고분자 화합물의 적용에 관한 연구A Study on Application of High Molecular Compound for Development of Eco-friendly Concrete

Other Titles
A Study on Application of High Molecular Compound for Development of Eco-friendly Concrete
Authors
유재석이용수송일현
Issue Date
Sep-2012
Publisher
대한토목학회
Keywords
eco-friendly concrete; PVAc; compressive strength; flexural strength; drying shrinkage; 폴리비닐아세테이트; 친환경콘크리트; 압축강도; 휨강도; 건조수축
Citation
대한토목학회논문집(국문), v.32, no.5, pp 299 - 305
Pages
7
Indexed
KCI
Journal Title
대한토목학회논문집(국문)
Volume
32
Number
5
Start Page
299
End Page
305
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/164687
DOI
10.12652/Ksce.2012.32.5A.299
ISSN
1015-6348
2799-9629
Abstract
본 연구는 수용성 폴리머의 일종인 폴리비닐아세테이트(Polyvinyl Acetate, 이하 PVAc)를 사용한 폴리머 시멘트 모르타르와 콘크리트의 특성에 관한 평가를 통하여 친환경 콘크리트 개발을 위한 기초자료를 획득하는 것이다. 이를 위해 PVAc를혼입하지 않은 시멘트 모르타르 및 콘크리트와 결합재 대비 3%, 6%, 9%, 12%의 PVAc를 각각 혼입한 폴리머 시멘트 모르타르 및 콘크리트와의 비교분석을 통한 물리적 특성을 평가하였으며, 폴리머 혼입에 따라 늘어나는 공기량을 제어하기 위해 소포제를 첨가하여 PVAc 콘크리트의 특성을 평가하였다. 그 결과 PVAc가 혼입된 폴리머 시멘트 모르타르의 경우 압축강도는 낮아지나 휨강도와 건조수축의 성능이 향상되는 것으로 나타났으며, 콘크리트의 경우 혼입율이 6%일 때가 압축강도,인장강도, 휨강도 및 탄성계수가 높아지는 것을 확인할 수 있었다.
The objective of this paper is to obtain the basic data in order to develop an eco-friendly concrete through evaluation on the properties of polymer cement mortar and concrete using PVAc (Polyvinyl Acetate), as a kind of water-soluble polymer. For this purpose, the physical properties of cement mortar and concrete which does not contain the PVAc as the control batch were compared and analyzed with those using the PVAc. And then, the replacement amount of the PVAc was 3%, 6%, 9% and 12%by binder, respectively. And also, the properties of concrete using the PVAc were evaluated, by adding an antifoaming agent in order to control the air contents increasing with an increase of amount of polymer usage. As a result, in the case of polymer cement mortar using the PVAc, it presented that the compressive strength reduced, while the performance of flexural strength and drying shrinkage increased. When the replacement of the PVAc was 6% within concrete, the compressive, tensile, flexural strength and elastic modulus were increased.
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