http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
포틀랜드 시멘트 수화에서의 SiO<sub>2</sub> 분말의 역할
임윤생 ( Lin Runsheng ),왕소용 ( Wang Xiaoyong ) 한국구조물진단유지관리공학회 2018 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.22 No.1
The influence of different amount of SiO<sub>2</sub> powder on the mechanical properties of cement-quartz composite cementitious material was discussed through the measurement of the compressive strength of the paste with the water/binder ratio of 0.5 and 0.2 where the SiO<sub>2</sub> powder with different proportion to replace the Portland cement(PC). The compressive strength test shows that adding SiO<sub>2</sub> powder to the concrete with low water-binder ratio can reduce the use of cement.
수화반응 모델에 기초한 고성능 시멘트 페이스트의 자기수축 예측에 관한 이론적 연구
임승민 ( Lim Seung-min ),이한승 ( Lee Han-seung ),왕소용 ( Wang Xiaoyong ),이재삼 ( Lee Jae-sam ),노현승 ( No Hyun-seung ) 한국구조물진단유지관리공학회 2008 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.12 No.1
Addition of blended components to cement, especially such as fly ash or silica fume, for the high-performance concrete will lead to a densification of the microstructure. The autogenous shrinkage deformation will increase and the following autogenous shrinkage crack will do harm to durability of concrete structure. In this paper, numerical simulation is suggested to predict autogenous shrinkage of high performance cement paste. The simulation is originated from a multi-component hydration model. The numerical program considers the influence of water to cement ratio, curing temperature, particle size distribution, cement mineral components on hydration process and autogenous shrinkage. The predicted results agrees well with a conventional experimental results.