Abstract translation:本发明涉及使用工业副产品的零水泥轻质面板的核心组合物,更具体地说,涉及使用工业副产品的零水泥轻质面板的芯组合物,其通过混合副产品例如纸灰 高炉矿渣,而不是用碱性活化剂生成二氧化碳的水泥,并且不使用单独的发泡剂生产泡沫。 根据本发明的使用工业副产品的零水泥灯板的核心组合物包含1至15重量份的纸灰,50至65重量份的高炉,20至35重量份的混合水, 和1至10重量份的氢氧化钠,相对于100重量份的用于零水泥轻质面板的芯组合物,其中用于零水泥轻质面板的芯组合物还包含作为碱活化剂的1至10份 氢氧化钾的重量和1至5重量份的氢氧化钙。 高炉渣的密度为2.88〜2.99g / cm 3,密度为2.13g / cm 3的氢氧化钠和98%的纯度溶解在混合水中,氢氧化钾的密度 2.04g / cm 3,纯度95%溶解在混合水中,密度为2.24g / cm 3,纯度为95%的氢氧化钙溶解在混合水中。
Abstract:
본 발명은, 속경형 결합재 4~30중량%, 잔골재 25~65중량%, 굵은골재 20~60중량%, 물 0.1~15중량% 및 폴리머 혼화제 0.01~15중량%를 포함하며, 상기 속경형 결합재는 재령 12시간에서 강도를 발현하는 결합재로서, 보통 포틀랜드 시멘트 20~55중량%, 칼슘 또는 마그네슘 설포알루미네이트 5~40중량%, 알루미네이트 0.1~25중량%, 석고 0.01~20중량%, 고로슬래그 0.01~20중량%, 플라이애쉬 0.01~20중량%, 수산화알루미늄 0.01~10중량% 및 황산바륨 0.01~10중량%를 포함하고, 상기 폴리머 혼화제는 메틸메타크릴레이트 50~99중량%, 스티렌 0.1~25중량%, 부틸아크릴레이트 0.1~15중량%, 폴리에틸렌프로필렌 0.01~10중량%, 이타코닉산 0.01~10중량%, 소디움퍼설페이트 0.01~10중량% 및 프로세스오일 0.01~10중량%를 포함하는 것을 특징으로 하는 초조강 폴리머 시멘트 콘크리트 조성물, 그 제조방법 및 상기 조성물을 이용한 콘크리트 구조물의 유지보수공법에 관한 것이다. 본 발명에 의하면, 콘크리트의 작업성을 개선하고, 콘크리트의 내구성을 개선하며, 특히 휨강도, 인장강도, 초기강도, 장기강도, 내염해성 및 동결융해저항성을 개선하여 콘크리트의 하자를 줄일 수 있다.
Abstract:
The present invention relates to a super high early strength concrete composition using eco-friendly recycled silica sand as a fine aggregate and a repairing method of concrete pavement using the same and more specifically, to a super high early strength concrete composition using eco-friendly recycled silica sand as a fine aggregate and a repairing method of concrete pavement using the same by drying a recycled fine aggregate according to a drying process among producing processes of recycled aggregate from a waste concrete at high temperatures; using, as a fine aggregate, recycled aggregate which is produced after removing foreign substances using wind power and processing the resultant product into sizes of silica; and using a find powder of a dried powder which is produced as a by-product during the previous process as a substitutes of cement. The present invention of the super high early strength concrete composition using eco-friendly recycled silica sand as a fine aggregate comprises 7-16 weight% of super high early strength concrete binder; 28-45 weight% of fine aggregate; 25-50 weight% of coarse aggregate; 1-7 weight% of water; 1-15 weight% of synthetic polymer to make 100 weight% of the composition. There is a technical significance that 100 weight% of the fine aggregate includes 20-100 weight% recycled silica. [Reference numerals] (AA) Start; (BB) End; (S110) Step of exposing a sound area by removing a deteriorated part or a damaged part; (S120) Step of cleaning the sound area which is to be exposed; (S130) Step of inserting a super high early concrete composition in the sound area; (S140) Step of flattening the sound area in which the super high early concrete composition is inserted; (S150) Step of performing surface treatment in the sound area; (S160) Step of forming a thin film on the sound area
Abstract:
The present invention relates to a high early strength type mixed cement concrete composition for bridge pavement by using a high early strength type mixed cement binder and a bridge pavement method using the same and more specifically, to a high early strength type mixed cement concrete composition for bridge pavement by using a high early strength type mixed cement binder and a bridge pavement method using the same in which a hydration reaction accelerator and a mineral admixture such as blast furnace slag and fly ash in order to improve resistance against chloride ions and early age strength which is a defect of mixed cement. The high early strength type mixed cement concrete composition of the present invention for bridge pavement by using a high early strength type mixed cement binder has a technical significance by comprising 14-20 weight% of a high early strength type mixed cement binder; 35-50 weight% of fine aggregate; 30-35 weight% of coarse aggregate; 5-10 weight% of water; and 1-10 weigh% of synthetic polymer. [Reference numerals] (AA) Start; (BB) End; (S110) Step of removing contaminated substance which is adhered on the surface of a bridge and exposed old material; (S120) Step of forming the surface of the bridge as a wet condition; (S130) Step of placing a cement concrete composition; (S140) Step of flattening the surface of the bridge; (S150) Step of surface treating the surface of the bridge; (S160) Step of applying a curing compound on the surface of the bridge
Abstract:
The present invention relates to an early strength type concrete composite with excellent durability and a method for repairing road pavement using the same, wherein the composite is characterized by comprising: 5-30 wt% of cement-based bonding material; 25-65 wt% of fine aggregate; 20-60 wt% of coarse aggregate, 0.1-15 wt% of water; and 0.1-15 wt% of a polymer emulsion for mixing cement, and the polymer emulsion for mixing cement additionally comprises: 20-95 wt% of a styrene-acryl emulsion; 0.1-70 wt% of a butyl-acryl emulsion; 0.01-50 wt% of a styrene-butadiene emulsion, 0.01-50 wt% of styrene-butadiene rubber latex, 0.01-50 wt% of an ethylene-vinyl acetate emulsion; and 0.01-50 wt% of a poly acryl ester emulsion. According to the present invention, the following effects can be achieved: enhancing workability; improving strength and durability; reducing errors of concrete; and reducing amount of polymers used.
Abstract:
PURPOSE: A blending material composition for concrete second products is configured to make the production of concrete second products having excellent compressive strength possible, so that the composition can be a productive alternative when processing byproducts such as byproduct ash of an oil refining process, super fine fly ash, and industrial byproducts like waste catalysts of an FCC process. CONSTITUTION: A blending material composition for concrete second products comprises mixed powder composition with blast furnace slag fine particles and byproduct ash of the oil refining process and gypsum. The byproduct ash of the oil refining process is generated by burning cokes, a byproduct of the oil refining process, with limestone at 800-900°C. The mixed powder composition is included as 50% by weight or less (except for 0% by weight) and the gypsum is included as 20-60% by weight based on 100% by weight of the mixed powder composition. The mixed powder composition also includes super fine fly ash with the Blaine fineness of 8,000-13,000 cm^3/g and waste catalysts of the FCC process during the oil refining process. The byproduct ash of the oil refining process, super fine fly ash and waste catalysts of the FCC process are included as 50% by weight (except for 0% by weight ) of the mixed powder composition. The byproduct ash of the oil refining process has 30-60% by weight of CaO, 10-40% by weight of SO_3, and 0.1-5% by weight of MgO.
Abstract:
PURPOSE: A hydraulic asphalt concrete binder composition is provided to improve adhesion, strength, and durability by comprising a polyurethane resin, modified asphalt A-coated aggregate, a modified asphalt B-coated aggregate with the optimal ratio. CONSTITUTION: A hydraulic asphalt concrete binder composition comprises 90-97 weight% of a modified asphalt A-coated aggregate, 0.5-7 weight% of a polyurethane resin, and 2-8 weight% of a modified asphalt B. The modified asphalt A-coated aggregate is formed by mixing 1-10 weight% of a modified asphalt A and 90-99 weight% of an aggregate. The modified asphalt A comprises a 70-98 weight% of a straight asphalt, 1-10 weight% of an anti-stripping agent, and 1-10 weight% of IFR(Internal Friction Reduction) additive. The modified asphalt B comprises 1-40 weight% of a straight asphalt, 10-50 weight% of a process oil, 10-30 weight% of a lubricant, and 5-20 weight% of a scavenger. [Reference numerals] (AA) Stability(N); (CC) Porosity(%); (CC) HMA(IFR added)