A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
SILICEOUS BURNED PRODUCT FOR CEMENT MIXTURE AND MANUFACTURING METHOD THEREFOR, CEMENT COMPOSITION AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a siliceous burned product for cement mixture capable of contributing to effective utilization of waste and exhibiting properties similar to or more than conventional admixtures as a raw material for cement.SOLUTION: There is provided a siliceous burned product for cement mixture which is a burned product of a raw material for burning containing at least two kinds selected from a group consisting of coal ash A, coal ash B having higher content of SiOin a chemical composition than the coal ash A, and burned ash, volcanic ash, construction generation soil, blast furnace slag, silica and lime stone, the content of SiOin the chemical composition of the burned product is 60 mass% or more and the content of an amorphous phase measured by a Rietveld analysis is 30 mass% or more.SELECTED DRAWING: None
【課題】廃棄物の有効利用に寄与し、セメント用原料としてこれまでの混合材と同等以上の特性を発揮し得るセメント混合用シリカ質焼成物等の提供。【解決手段】石炭灰Ａ、前記石炭灰Ａよりも化学組成のＳｉＯ２の含有量が多い石炭灰Ｂ、焼却灰、火山灰、建設発生土、高炉スラグ、珪石、及び石灰石からなる群より選ばれる少なくとも２種を含む焼成用原料の焼成物であって、前記焼成物の化学組成のＳｉＯ２の含有量が６０質量％以上であり、リートベルト解析法により測定された非晶質相の含有量が３０質量％以上である、セメント混合用シリカ質焼成物等。【選択図】なし
SILICEOUS BURNED PRODUCT FOR CEMENT MIXTURE AND MANUFACTURING METHOD THEREFOR, CEMENT COMPOSITION AND MANUFACTURING METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide a siliceous burned product for cement mixture capable of contributing to effective utilization of waste and exhibiting properties similar to or more than conventional admixtures as a raw material for cement.SOLUTION: There is provided a siliceous burned product for cement mixture which is a burned product of a raw material for burning containing at least two kinds selected from a group consisting of coal ash A, coal ash B having higher content of SiOin a chemical composition than the coal ash A, and burned ash, volcanic ash, construction generation soil, blast furnace slag, silica and lime stone, the content of SiOin the chemical composition of the burned product is 60 mass% or more and the content of an amorphous phase measured by a Rietveld analysis is 30 mass% or more.SELECTED DRAWING: None
【課題】廃棄物の有効利用に寄与し、セメント用原料としてこれまでの混合材と同等以上の特性を発揮し得るセメント混合用シリカ質焼成物等の提供。【解決手段】石炭灰Ａ、前記石炭灰Ａよりも化学組成のＳｉＯ２の含有量が多い石炭灰Ｂ、焼却灰、火山灰、建設発生土、高炉スラグ、珪石、及び石灰石からなる群より選ばれる少なくとも２種を含む焼成用原料の焼成物であって、前記焼成物の化学組成のＳｉＯ２の含有量が６０質量％以上であり、リートベルト解析法により測定された非晶質相の含有量が３０質量％以上である、セメント混合用シリカ質焼成物等。【選択図】なし
SILICEOUS BURNED PRODUCT FOR CEMENT MIXTURE AND MANUFACTURING METHOD THEREFOR, CEMENT COMPOSITION AND MANUFACTURING METHOD THEREFOR
セメント混合用シリカ質焼成物及びその製造方法、セメント組成物及びその製造方法
KONISHI MASAYOSHI (author) / MORIKAWA TAKUKO (author) / KADONO SO (author)
2018-03-22
Patent
Electronic Resource
Japanese