칼슘계 경화촉진제를 사용한 프리캐스트 콘크리트의 수축특성에 관한 연구A study on the Shrinkage Properties of precast concrete using Calcium hardening accelerator
- Other Titles
- A study on the Shrinkage Properties of precast concrete using Calcium hardening accelerator
- Authors
- 민태범; 조인성; 이한승
- Issue Date
- Nov-2014
- Publisher
- 한국건축시공학회
- Keywords
- 경화촉진제; 자기수축; 건조수축; Drying shrinkage; 초조강 콘크리트; Self shrinkage; Super high early strength concrete; Hardening accelerator
- Citation
- 한국건축시공학회 2014년 추계학술발표대회 논문집, v.14, no.2, pp.44 - 45
- Indexed
- OTHER
- Journal Title
- 한국건축시공학회 2014년 추계학술발표대회 논문집
- Volume
- 14
- Number
- 2
- Start Page
- 44
- End Page
- 45
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/21470
- Abstract
- On this study, initial crack index was evaluated by performing FEM analysis to crack propagation from hydration heat
for development of precast concrete. On the result, as increased the usage of hardening accelerator, initial compressive
strength were improved and setting time also was shortened. Additionally, central temperature of concrete was
increased, the reaching time for the highest temperature could be shortened. By the result to assess crack index, there
was no problem about crack despite of growth of initial high hydration heating. This result guessed because of small
size element when analyzed trough FEM, realization for mass concrete's crack index should be performed.
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