Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
METHOD FOR ESTIMATING STRENGTH OF CEMENT BASED SOLIDIFIED SOIL
To provide a method for estimating strength of cement based solidified soil allowing for estimation of strength of the cement based solidified soil exerted after a prescribed curing period, at an early time of the curing.SOLUTION: The method for estimating strength of cement based solidified soil comprises: a sample production step of producing a sample of cement based solidified soil by mixing at a prescribed mixing ratio, soil and cement based solidification material; a testing step of performing a uniaxial compression test after performing an elastic wave speed measurement test of the sample at a plurality of time points where curing periods are different from each other, at an early time of curing of the sample; a first relationship acquisition step of acquiring relationship between the curing period and the elastic wave speed in the cement based solidified soil on the basis of the measurement result of the elastic wave speed measurement test; a second relationship acquisition step of acquiring a relationship between the elastic wave speed and the uniaxial compressive strength in the cement based solidified soil on the basis of the elastic wave speed measurement test and the uniaxial compression test; and a uniaxial compressive strength estimation step of estimating the uniaxial compressive strength of the cement based solidified soil produced after the prescribed curing period on the basis of the relationship acquired in the first relationship acquisition step and the relationship acquired in the second relationship acquisition step.SELECTED DRAWING: Figure 1
【課題】セメント系固化処理土の規定の養生期間後の強度をセメント系固化処理土の養生初期に推定できるセメント系固化処理土の強度の推定方法を提供する。【解決手段】土とセメント系固化材とを所定の混合比率で混合してセメント系固化処理土の供試体を作製し、供試体の養生初期に養生時間を異ならせた複数時点で供試体の弾性波速度測定試験を行った後に一軸圧縮試験を行い、弾性波速度測定試験の測定結果からセメント系固化処理土についての養生時間と弾性波速度との関係を取得する第１関係取得工程と、弾性波速度測定試験と一軸圧縮試験の測定結果からセメント系固化処理土についての弾性波速度と一軸圧縮強さとの関係を取得する第２関係取得工程とを行い、第１関係取得工程で取得した関係と第２関係取得工程で取得した関係に基づいて、規定の養生期間後の製造されたセメント系固化処理土の一軸圧縮強さを推定する。【選択図】図１
METHOD FOR ESTIMATING STRENGTH OF CEMENT BASED SOLIDIFIED SOIL
To provide a method for estimating strength of cement based solidified soil allowing for estimation of strength of the cement based solidified soil exerted after a prescribed curing period, at an early time of the curing.SOLUTION: The method for estimating strength of cement based solidified soil comprises: a sample production step of producing a sample of cement based solidified soil by mixing at a prescribed mixing ratio, soil and cement based solidification material; a testing step of performing a uniaxial compression test after performing an elastic wave speed measurement test of the sample at a plurality of time points where curing periods are different from each other, at an early time of curing of the sample; a first relationship acquisition step of acquiring relationship between the curing period and the elastic wave speed in the cement based solidified soil on the basis of the measurement result of the elastic wave speed measurement test; a second relationship acquisition step of acquiring a relationship between the elastic wave speed and the uniaxial compressive strength in the cement based solidified soil on the basis of the elastic wave speed measurement test and the uniaxial compression test; and a uniaxial compressive strength estimation step of estimating the uniaxial compressive strength of the cement based solidified soil produced after the prescribed curing period on the basis of the relationship acquired in the first relationship acquisition step and the relationship acquired in the second relationship acquisition step.SELECTED DRAWING: Figure 1
【課題】セメント系固化処理土の規定の養生期間後の強度をセメント系固化処理土の養生初期に推定できるセメント系固化処理土の強度の推定方法を提供する。【解決手段】土とセメント系固化材とを所定の混合比率で混合してセメント系固化処理土の供試体を作製し、供試体の養生初期に養生時間を異ならせた複数時点で供試体の弾性波速度測定試験を行った後に一軸圧縮試験を行い、弾性波速度測定試験の測定結果からセメント系固化処理土についての養生時間と弾性波速度との関係を取得する第１関係取得工程と、弾性波速度測定試験と一軸圧縮試験の測定結果からセメント系固化処理土についての弾性波速度と一軸圧縮強さとの関係を取得する第２関係取得工程とを行い、第１関係取得工程で取得した関係と第２関係取得工程で取得した関係に基づいて、規定の養生期間後の製造されたセメント系固化処理土の一軸圧縮強さを推定する。【選択図】図１
METHOD FOR ESTIMATING STRENGTH OF CEMENT BASED SOLIDIFIED SOIL
セメント系固化処理土の強度の推定方法
KAWAGUCHI TAKAYUKI (Autor:in) / YAMAGISHI KOHEI (Autor:in) / HIRABAYASHI HIROSHI (Autor:in)
20.02.2020
Patent
Elektronische Ressource
Japanisch
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