HYDRAULIC CEMENT COMPOSITION FOR INJECTION INTO SOIL, AND METHOD FOR IMPROVEMENT IN SOIL USING SAME
Disclosed are: a hydraulic cement composition for injecting into soil, which can exhibit high sinking resistance when prepared into a suspension (a cement milk), of which an injecting component cannot be swept under running water, and which has excellent penetrability and durability; and a method fo...
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| creator | HIDEKI NISHINO HIDEHIRO TANAKA KAZUYUKI MIZUSHIMA YASUTOSHI OHNO AKITOSHI ARAKI HIROSHI ONODERA |
| description | Disclosed are: a hydraulic cement composition for injecting into soil, which can exhibit high sinking resistance when prepared into a suspension (a cement milk), of which an injecting component cannot be swept under running water, and which has excellent penetrability and durability; and a method for improving soil using the hydraulic cement composition. Specifically disclosed are: a hydraulic cement composition for injecting into soil, which is characterized by comprising 100 parts of a blast furnace slug micropowder having a Blaine specific surface area of 7000 to 16000 cm2/g and a median diameter of 1 to 7 µm, a classified cement that meets all of the requirements (1) to (3) mentioned below in an amount of 5 to 30 parts relative to 100 parts of the blast furnace slug micropowder, and a dispersant comprising a polyacrilic acid dispersant (which may additionally contain a melamine dispersant) in an amount of 0.1 to 3 parts relative to the total amount (100 parts) of the blast furnace slug micropowder and the classified cement: (1) the classified cement is characterized by containing calcium carbonate in an amount of 6 to 20 parts relative to 100 parts of the classified cement; (2) the classified cement is characterized by having a Blaine specific surface area of 7000 to 16000 cm2/g; and (3) the classified cement is characterized by having a median diameter of 1 to 7 µm; and a method for improving soil, comprising injecting a cement milk into soil, wherein the cement milk is prepared by adding water to the hydraulic cement composition for injecting and kneading the mixture. |
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Specifically disclosed are: a hydraulic cement composition for injecting into soil, which is characterized by comprising 100 parts of a blast furnace slug micropowder having a Blaine specific surface area of 7000 to 16000 cm2/g and a median diameter of 1 to 7 µm, a classified cement that meets all of the requirements (1) to (3) mentioned below in an amount of 5 to 30 parts relative to 100 parts of the blast furnace slug micropowder, and a dispersant comprising a polyacrilic acid dispersant (which may additionally contain a melamine dispersant) in an amount of 0.1 to 3 parts relative to the total amount (100 parts) of the blast furnace slug micropowder and the classified cement: (1) the classified cement is characterized by containing calcium carbonate in an amount of 6 to 20 parts relative to 100 parts of the classified cement; (2) the classified cement is characterized by having a Blaine specific surface area of 7000 to 16000 cm2/g; and (3) the classified cement is characterized by having a median diameter of 1 to 7 µm; and a method for improving soil, comprising injecting a cement milk into soil, wherein the cement milk is prepared by adding water to the hydraulic cement composition for injecting and kneading the mixture.</description><language>chi ; eng</language><subject>ADHESIVES ; ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; CONCRETE ; DYES ; EMBANKMENTS ; EXCAVATIONS ; FIXED CONSTRUCTIONS ; FOUNDATIONS ; HYDRAULIC ENGINEERING ; LIME, MAGNESIA ; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; NATURAL RESINS ; PAINTS ; POLISHES ; REFRACTORIES ; SLAG ; SOIL SHIFTING ; TREATMENT OF NATURAL STONE ; UNDERGROUND OR UNDERWATER STRUCTURES</subject><creationdate>2015</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150731&DB=EPODOC&CC=HK&NR=1169435A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150731&DB=EPODOC&CC=HK&NR=1169435A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HIDEKI NISHINO</creatorcontrib><creatorcontrib>HIDEHIRO TANAKA</creatorcontrib><creatorcontrib>KAZUYUKI MIZUSHIMA</creatorcontrib><creatorcontrib>YASUTOSHI OHNO</creatorcontrib><creatorcontrib>AKITOSHI ARAKI</creatorcontrib><creatorcontrib>HIROSHI ONODERA</creatorcontrib><title>HYDRAULIC CEMENT COMPOSITION FOR INJECTION INTO SOIL, AND METHOD FOR IMPROVEMENT IN SOIL USING SAME</title><description>Disclosed are: a hydraulic cement composition for injecting into soil, which can exhibit high sinking resistance when prepared into a suspension (a cement milk), of which an injecting component cannot be swept under running water, and which has excellent penetrability and durability; and a method for improving soil using the hydraulic cement composition. Specifically disclosed are: a hydraulic cement composition for injecting into soil, which is characterized by comprising 100 parts of a blast furnace slug micropowder having a Blaine specific surface area of 7000 to 16000 cm2/g and a median diameter of 1 to 7 µm, a classified cement that meets all of the requirements (1) to (3) mentioned below in an amount of 5 to 30 parts relative to 100 parts of the blast furnace slug micropowder, and a dispersant comprising a polyacrilic acid dispersant (which may additionally contain a melamine dispersant) in an amount of 0.1 to 3 parts relative to the total amount (100 parts) of the blast furnace slug micropowder and the classified cement: (1) the classified cement is characterized by containing calcium carbonate in an amount of 6 to 20 parts relative to 100 parts of the classified cement; (2) the classified cement is characterized by having a Blaine specific surface area of 7000 to 16000 cm2/g; and (3) the classified cement is characterized by having a median diameter of 1 to 7 µm; 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and a method for improving soil using the hydraulic cement composition. Specifically disclosed are: a hydraulic cement composition for injecting into soil, which is characterized by comprising 100 parts of a blast furnace slug micropowder having a Blaine specific surface area of 7000 to 16000 cm2/g and a median diameter of 1 to 7 µm, a classified cement that meets all of the requirements (1) to (3) mentioned below in an amount of 5 to 30 parts relative to 100 parts of the blast furnace slug micropowder, and a dispersant comprising a polyacrilic acid dispersant (which may additionally contain a melamine dispersant) in an amount of 0.1 to 3 parts relative to the total amount (100 parts) of the blast furnace slug micropowder and the classified cement: (1) the classified cement is characterized by containing calcium carbonate in an amount of 6 to 20 parts relative to 100 parts of the classified cement; (2) the classified cement is characterized by having a Blaine specific surface area of 7000 to 16000 cm2/g; and (3) the classified cement is characterized by having a median diameter of 1 to 7 µm; and a method for improving soil, comprising injecting a cement milk into soil, wherein the cement milk is prepared by adding water to the hydraulic cement composition for injecting and kneading the mixture.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE DYES EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING LIME, MAGNESIA MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES REFRACTORIES SLAG SOIL SHIFTING TREATMENT OF NATURAL STONE UNDERGROUND OR UNDERWATER STRUCTURES |
| title | HYDRAULIC CEMENT COMPOSITION FOR INJECTION INTO SOIL, AND METHOD FOR IMPROVEMENT IN SOIL USING SAME |
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