A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Liquid-Type Hydration Heat Reducer Composition for Concrete and Concrete Using the Same
The present invention relates to technology devised to minimize damage caused by cement hydration heat, and more specifically, to a liquid-type hydration heat reducing agent which is a liquid type admixture that can be directly applied to a conventional ready-mixed concrete plant facility and is effective in reducing cement hydration heat and restoring strength performance, and to hydration heat reducing concrete preferably using the same. The liquid-type hydration heat reducing agent composition according to the present invention is prepared by mixing 150-250 parts by weight of water with 100 parts by weight of power including: 90-95 wt% of a delaying agent; 3-5 wt% of an accelerator; and 2-5 wt% of a phase-change agent. Here, in the phase-change agent, 0.3-1.2 parts by weight of an emulsifier-based positive ion surfactant and 0.1- 0.3 parts by weight of a non-aqueous dispersant are mixed in 100 parts by weight of stearic acid. The hydration heat reducing concrete according to the present invention is characterized in that when the concrete is mixed, 2-5 parts by weight of the liquid-type hydration heat reducing agent composition is incorporated and mixed with respect to 100 parts by weight of a binding material.
본 발명은 시멘트 수화열에 따른 손상을 최소화하기 위한 기술에 관한 것으로, 더욱 상세하게는 기존 레미콘 공장 설비에 그대로 적용할 수 있는 액상형의 혼화제로 시멘트 수화열 저감과 강도성능 회복에 효과를 나타내는 액상형 수화열 저감제와 이를 바람직하게 이용한 수화열 저감 콘크리트에 관한 것이다.본 발명에 따른 액상형 수화열 저감제 조성물은, 지연제 90~95중량%; 촉진제 3~5중량%; 상변환제 2~5중량%;를 포함하여 조성된 분체 100중량부에 물 150~250중량부가 혼합되는 것으로, 여기서 상변환제는 스테아린산 100중량부에 유화제계 양이온 계면활성화제 0.3~1.2중량부, 비수계 분산제 0.1~0.3중량부가 혼합된 것임을 특징으로 한다.본 발명에 따른 수화열 저감 콘크리트는, 콘크리트 배합에서 액상형 수화열 저감제 조성물이 결합재 100중량부 대하여 2~5중량부 혼입되어 배합되는 것을 특징으로 한다.
Liquid-Type Hydration Heat Reducer Composition for Concrete and Concrete Using the Same
The present invention relates to technology devised to minimize damage caused by cement hydration heat, and more specifically, to a liquid-type hydration heat reducing agent which is a liquid type admixture that can be directly applied to a conventional ready-mixed concrete plant facility and is effective in reducing cement hydration heat and restoring strength performance, and to hydration heat reducing concrete preferably using the same. The liquid-type hydration heat reducing agent composition according to the present invention is prepared by mixing 150-250 parts by weight of water with 100 parts by weight of power including: 90-95 wt% of a delaying agent; 3-5 wt% of an accelerator; and 2-5 wt% of a phase-change agent. Here, in the phase-change agent, 0.3-1.2 parts by weight of an emulsifier-based positive ion surfactant and 0.1- 0.3 parts by weight of a non-aqueous dispersant are mixed in 100 parts by weight of stearic acid. The hydration heat reducing concrete according to the present invention is characterized in that when the concrete is mixed, 2-5 parts by weight of the liquid-type hydration heat reducing agent composition is incorporated and mixed with respect to 100 parts by weight of a binding material.
본 발명은 시멘트 수화열에 따른 손상을 최소화하기 위한 기술에 관한 것으로, 더욱 상세하게는 기존 레미콘 공장 설비에 그대로 적용할 수 있는 액상형의 혼화제로 시멘트 수화열 저감과 강도성능 회복에 효과를 나타내는 액상형 수화열 저감제와 이를 바람직하게 이용한 수화열 저감 콘크리트에 관한 것이다.본 발명에 따른 액상형 수화열 저감제 조성물은, 지연제 90~95중량%; 촉진제 3~5중량%; 상변환제 2~5중량%;를 포함하여 조성된 분체 100중량부에 물 150~250중량부가 혼합되는 것으로, 여기서 상변환제는 스테아린산 100중량부에 유화제계 양이온 계면활성화제 0.3~1.2중량부, 비수계 분산제 0.1~0.3중량부가 혼합된 것임을 특징으로 한다.본 발명에 따른 수화열 저감 콘크리트는, 콘크리트 배합에서 액상형 수화열 저감제 조성물이 결합재 100중량부 대하여 2~5중량부 혼입되어 배합되는 것을 특징으로 한다.
Liquid-Type Hydration Heat Reducer Composition for Concrete and Concrete Using the Same
콘크리트용 액상형 수화열 저감제 조성물 및 이를 이용한 수화열 저감 콘크리트
PARK DONG CHEOL (author) / YANG WAN HEE (author) / KIM SE HWAN (author) / LEE KANG BUM (author) / JUNG SEOK MAN (author) / LEE CHANG GYU (author) / PARK SOON JEON (author) / SEOK WON KYUN (author) / KIM KWANG KI (author) / KIM YOUNG SUN (author)
2021-08-19
Patent
Electronic Resource
Korean
IPC:
C04B
Kalk
,
LIME
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