한국구조물진단유지관리공학회 논문집 (Journal of the Korea institute for structural maintenance and inspection)
- 제3권3호
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- Pages.177-185
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- 1999
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- 2234-6937(pISSN)
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- 2287-6979(eISSN)
고유동콘크리트의 중성화에 관한 실험적 연구
An Experimental Study on the Neutralization of High-Flowable Concrete
- 투고 : 1999.06.18
- 발행 : 1999.07.31
초록
In this study, study about fly ash and blast-furnace slag used as substitutive materials for cement, and the influence on the neutralization of high flow concrete durability with these substitutive materials was performed and analyzed. The results are as follows 1) Aggregate segregation was partially improved with the progress of the admixture input at the mix proportion above slump flow 65 cm 2) Compressive strength with the progress of the increasement of fly ash input was decreased in early age, but decrease range was improved in long term age. Also, in case of blast-furnace, similar or improved compressive strength was appeared. 3) The neutralization depth with fly ash input was noticeably increased. But blast-furnace slag was effective to prevent. 4) In this experiment, high powder content was advantageously affected on preventive effect of the neutralization, and the relationship between the compressive strength and the neutralization depth was inversely proportional.