인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록·키워드
This study explored the dosage-dependent influence of two types of external expansive agents on the strength, early-age autogenous shrinkage, and drying shrinkage deformation of ultra-high-performance concrete (UHPC). By analyzing the impact of expansive agents on the microstructure of UHPC, the mechanisms through which different expansive agents affect the aforementioned factors were identified. The results showed that as the dosage of expansive agents increased, the compressive strength of UHPC at 28 days tended to improve. Notably, the expansive agent SY-G demonstrated a more pronounced strength enhancement effect than the expansive agent FQY. Moreover, the early-age autogenous shrinkage rate and drying shrinkage rate of UHPC were closely related to the type of expansive agent applied and its dosage. The intrinsic hydration behavior of SY-G and FQY, as well as their regulation of the cement hydration process, emerged as the key factors influencing the mechanical strength and shrinkage deformation of UHPC. Thus, to mitigate the early-age autogenous shrinkage and drying shrinkage of UHPC through expansive agent addition, optimized SY-G and FQY dosages of 10% and 8%, respectively, are recommended.
인공지능 문자 인식 모델을 통해 추출된 텍스트로, 일부 오타나 오류가 포함될 수 있으나 지속적으로 개선 중입니다.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
오류를 발견하셨다면 해당 부분을 드래그한 후 ' 를 통해 신고해주세요.
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