A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PROPULSION PIPE AND METHOD FOR PRODUCING THE SAME
PROBLEM TO BE SOLVED: To provide a propulsion pipe that has a body part composed of material having high compression strength.SOLUTION: A propulsion pipe 1 has a body part having a cured body of a cement composition that has cement, silica fume with a BET specific surface of 15-25 m/g, inorganic powder with a 50% volume cumulative particle diameter of 0.8-5 μm, aggregate with a maximum particle diameter of 1.2 mm or less, high-performance water-reducing agent, antifoaming agent and water, and in 100 vol.% of the total content of cement, silica fume and inorganic powder, the percentage of cement is 55-65 vol.%, the percentage of silica fume is 5-25 vol.%, and the percentage of inorganic powder is 15-35 vol.%.SELECTED DRAWING: Figure 1
【課題】高い圧縮強度を有する材質からなる本体部分を有する推進管を提供する。【解決手段】セメント、ＢＥＴ比表面積が１５〜２５ｍ２／ｇのシリカフューム、５０％体積累積粒径が０．８〜５μｍの無機粉末、最大粒径が１．２ｍｍ以下の骨材、高性能減水剤、消泡剤及び水を含み、かつセメント、シリカフューム及び無機粉末の合計量１００体積％中、セメントの割合が５５〜６５体積％、シリカフュームの割合が５〜２５体積％、無機粉末の割合が１５〜３５体積％であるセメント組成物の硬化体からなる本体部分を有する推進管１。【選択図】図１
PROPULSION PIPE AND METHOD FOR PRODUCING THE SAME
PROBLEM TO BE SOLVED: To provide a propulsion pipe that has a body part composed of material having high compression strength.SOLUTION: A propulsion pipe 1 has a body part having a cured body of a cement composition that has cement, silica fume with a BET specific surface of 15-25 m/g, inorganic powder with a 50% volume cumulative particle diameter of 0.8-5 μm, aggregate with a maximum particle diameter of 1.2 mm or less, high-performance water-reducing agent, antifoaming agent and water, and in 100 vol.% of the total content of cement, silica fume and inorganic powder, the percentage of cement is 55-65 vol.%, the percentage of silica fume is 5-25 vol.%, and the percentage of inorganic powder is 15-35 vol.%.SELECTED DRAWING: Figure 1
【課題】高い圧縮強度を有する材質からなる本体部分を有する推進管を提供する。【解決手段】セメント、ＢＥＴ比表面積が１５〜２５ｍ２／ｇのシリカフューム、５０％体積累積粒径が０．８〜５μｍの無機粉末、最大粒径が１．２ｍｍ以下の骨材、高性能減水剤、消泡剤及び水を含み、かつセメント、シリカフューム及び無機粉末の合計量１００体積％中、セメントの割合が５５〜６５体積％、シリカフュームの割合が５〜２５体積％、無機粉末の割合が１５〜３５体積％であるセメント組成物の硬化体からなる本体部分を有する推進管１。【選択図】図１
PROPULSION PIPE AND METHOD FOR PRODUCING THE SAME
推進管及びその製造方法
OGAWA YOJI (author)
2017-06-01
Patent
Electronic Resource
Japanese
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