A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MANUFACTURING METHOD OF BUILDING STRUCTURE CONCRETE USING SHIRASU FINE AGGREGATE
To provide a manufacturing method of building structure concrete that uses shirasu fine aggregate, has good self-filling property, and is excellent in long term durability.SOLUTION: A manufacturing method of building structure concrete comprises a first step of adjusting collected shirasu to water content of 13% or less, a second step of passing the shirasu with water content of 13% or less obtained in the first step through a sieve of an opening 5 mm to get shirasu fine aggregate containing at least 10% of fine particles of an average particle diameter of 0.15 mm or less, and a third step of mixing the shirasu fine aggregate obtained in the second step with cement, water, and a chemical admixture to get concrete.SELECTED DRAWING: Figure 1
【課題】シラス細骨材を用い、良好な自己充填性をもち、また、長期の耐久性に優れた、建築構造用コンクリートの製造方法を提供する。【解決手段】採取したシラスを含水率１３％以下に調整する第１工程と、第１工程で得られた含水率１３％以下のシラスを目開き５ｍｍのふるいに通過させ、平均粒径０．１５ｍｍ以下の微粒分を少なくとも１０％含む、シラス細骨材を得る第２工程と、第２工程で得られたシラス細骨材を、セメント、水、混和剤と混合してコンクリートを得る第３工程を備える構成とする。【選択図】図１
MANUFACTURING METHOD OF BUILDING STRUCTURE CONCRETE USING SHIRASU FINE AGGREGATE
To provide a manufacturing method of building structure concrete that uses shirasu fine aggregate, has good self-filling property, and is excellent in long term durability.SOLUTION: A manufacturing method of building structure concrete comprises a first step of adjusting collected shirasu to water content of 13% or less, a second step of passing the shirasu with water content of 13% or less obtained in the first step through a sieve of an opening 5 mm to get shirasu fine aggregate containing at least 10% of fine particles of an average particle diameter of 0.15 mm or less, and a third step of mixing the shirasu fine aggregate obtained in the second step with cement, water, and a chemical admixture to get concrete.SELECTED DRAWING: Figure 1
【課題】シラス細骨材を用い、良好な自己充填性をもち、また、長期の耐久性に優れた、建築構造用コンクリートの製造方法を提供する。【解決手段】採取したシラスを含水率１３％以下に調整する第１工程と、第１工程で得られた含水率１３％以下のシラスを目開き５ｍｍのふるいに通過させ、平均粒径０．１５ｍｍ以下の微粒分を少なくとも１０％含む、シラス細骨材を得る第２工程と、第２工程で得られたシラス細骨材を、セメント、水、混和剤と混合してコンクリートを得る第３工程を備える構成とする。【選択図】図１
MANUFACTURING METHOD OF BUILDING STRUCTURE CONCRETE USING SHIRASU FINE AGGREGATE
シラス細骨材を用いた建築構造用コンクリートの製造方法
TAKENOWAKA KOJI (author) / ENATSU HIROSHI (author)
2020-10-29
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
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