A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
GROUND IMPROVING ADDITIVE, GROUND IMPROVING COMPOSITION AND GROUND IMPROVING METHOD
PROBLEM TO BE SOLVED: To provide a ground improving additive, a ground improving composition and a ground improving method which reduce a product cost and can achieve a physical strength as a layer.SOLUTION: A ground improving additive contains a hydraulic material and an aggregate, where a volume ratio of the aggregate to the hydraulic material is 1 to 5, the aggregate contains a concrete ground product and a slag aggregate, and a volume content of the total of the concrete ground product and the slag aggregate is 50-85%. The concrete ground product contained in the ground improving additive of 20 mass% or more does not pass through a sieve with a nominal mesh sieve of 19.0 mm. A ground improving composition 10 is formed by mixing the ground improving additive and a ground soil, is laid and leveled using a bulldozer 20 onto a ground 1 subjected to ground improvement, and is compacted using a vibration roller 22.SELECTED DRAWING: Figure 1
【課題】製品コストの低減をし、かつ、層としての物理的強度の向上を図ることが可能な地盤改良添加剤、地盤改良組成物及び地盤改良方法を提供する。【解決手段】地盤改良添加剤は、水硬性材料と骨材とを含み、骨材／水硬性材料の容積比が、１〜５であり、骨材は、コンクリート粉砕物とスラグ骨材とを含み、コンクリート粉砕物とスラグ骨材の合計の容積含有率が、５０〜８５％である。地盤改良添加剤に含まれるコンクリート粉砕物は、公称目開き１９．０ｍｍのふるいを２０質量％以上通過しないものである。地盤改良組成物１０は、地盤改良添加剤と地盤土とを混合して構成され、地盤改良を施す地盤１に、ブルドーザ２０を用いて敷き均され、振動ローラ２２を用いて締め固められる。【選択図】図１
GROUND IMPROVING ADDITIVE, GROUND IMPROVING COMPOSITION AND GROUND IMPROVING METHOD
PROBLEM TO BE SOLVED: To provide a ground improving additive, a ground improving composition and a ground improving method which reduce a product cost and can achieve a physical strength as a layer.SOLUTION: A ground improving additive contains a hydraulic material and an aggregate, where a volume ratio of the aggregate to the hydraulic material is 1 to 5, the aggregate contains a concrete ground product and a slag aggregate, and a volume content of the total of the concrete ground product and the slag aggregate is 50-85%. The concrete ground product contained in the ground improving additive of 20 mass% or more does not pass through a sieve with a nominal mesh sieve of 19.0 mm. A ground improving composition 10 is formed by mixing the ground improving additive and a ground soil, is laid and leveled using a bulldozer 20 onto a ground 1 subjected to ground improvement, and is compacted using a vibration roller 22.SELECTED DRAWING: Figure 1
【課題】製品コストの低減をし、かつ、層としての物理的強度の向上を図ることが可能な地盤改良添加剤、地盤改良組成物及び地盤改良方法を提供する。【解決手段】地盤改良添加剤は、水硬性材料と骨材とを含み、骨材／水硬性材料の容積比が、１〜５であり、骨材は、コンクリート粉砕物とスラグ骨材とを含み、コンクリート粉砕物とスラグ骨材の合計の容積含有率が、５０〜８５％である。地盤改良添加剤に含まれるコンクリート粉砕物は、公称目開き１９．０ｍｍのふるいを２０質量％以上通過しないものである。地盤改良組成物１０は、地盤改良添加剤と地盤土とを混合して構成され、地盤改良を施す地盤１に、ブルドーザ２０を用いて敷き均され、振動ローラ２２を用いて締め固められる。【選択図】図１
GROUND IMPROVING ADDITIVE, GROUND IMPROVING COMPOSITION AND GROUND IMPROVING METHOD
地盤改良添加剤、地盤改良組成物及び地盤改良方法
KUROKAWA MASAAKI (author)
2018-01-11
Patent
Electronic Resource
Japanese
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