A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
CHEMICAL INJECTION METHOD AND FILLER
PROBLEM TO BE SOLVED: To provide a chemical injection method and a filler that reduce waste disposal costs and environmental loads accompanying ground improvement work, at the same time helping to reduce labor and cost for preparing the chemical, by using a liquid glass solution-based chemical as a filler.SOLUTION: The chemical injection method is a chemical injection method of a double-packer construction method, in which a filler 3 is injected into an insertion hole 2 excavated in a ground 1, and a chemical is injected into the ground 1 after inserting an injection outer pipe 4 and an injection inner pipe 5. The chemical injection method comprises steps for injecting a primary chemical 6 into the ground 1 through the injection inner tube 5, and injecting a secondary chemical into the ground 1 through the injection inner tube 5 after injecting the primary chemical 6. The filler 3 contains a liquid glass solution-based chemical that mixes liquid glass with a reaction agent.SELECTED DRAWING: Figure 3
【課題】充填剤に水ガラス溶液系の薬液を使用することにより、地盤改良作業に伴う廃棄コストの低減や環境負荷軽減を達成することができ、薬液の準備の手間やコストの削減に寄与することのできる薬液注入工程及び充填剤を提供すること。【解決手段】この薬液注入方法は、地盤１を掘削した挿入孔２に充填剤３を注入し、注入外管４及び注入内管５を挿入した上で地盤１に向けて薬液を注入するダブルパッカー工法における薬液注入方法であって、注入内管５を介して地盤１に一次薬液６を注入する工程と、一次薬液６を注入した後に、注入内管５を介して地盤１に二次薬液を注入する工程と、を有し、充填剤３が、水ガラスと反応剤とを混合した水ガラス溶液系薬液を含む。【選択図】図３
CHEMICAL INJECTION METHOD AND FILLER
PROBLEM TO BE SOLVED: To provide a chemical injection method and a filler that reduce waste disposal costs and environmental loads accompanying ground improvement work, at the same time helping to reduce labor and cost for preparing the chemical, by using a liquid glass solution-based chemical as a filler.SOLUTION: The chemical injection method is a chemical injection method of a double-packer construction method, in which a filler 3 is injected into an insertion hole 2 excavated in a ground 1, and a chemical is injected into the ground 1 after inserting an injection outer pipe 4 and an injection inner pipe 5. The chemical injection method comprises steps for injecting a primary chemical 6 into the ground 1 through the injection inner tube 5, and injecting a secondary chemical into the ground 1 through the injection inner tube 5 after injecting the primary chemical 6. The filler 3 contains a liquid glass solution-based chemical that mixes liquid glass with a reaction agent.SELECTED DRAWING: Figure 3
【課題】充填剤に水ガラス溶液系の薬液を使用することにより、地盤改良作業に伴う廃棄コストの低減や環境負荷軽減を達成することができ、薬液の準備の手間やコストの削減に寄与することのできる薬液注入工程及び充填剤を提供すること。【解決手段】この薬液注入方法は、地盤１を掘削した挿入孔２に充填剤３を注入し、注入外管４及び注入内管５を挿入した上で地盤１に向けて薬液を注入するダブルパッカー工法における薬液注入方法であって、注入内管５を介して地盤１に一次薬液６を注入する工程と、一次薬液６を注入した後に、注入内管５を介して地盤１に二次薬液を注入する工程と、を有し、充填剤３が、水ガラスと反応剤とを混合した水ガラス溶液系薬液を含む。【選択図】図３
CHEMICAL INJECTION METHOD AND FILLER
薬液注入方法及び充填剤
MIYAKE SHUJI (author) / ISONO JUNJI (author) / ISHIHARA TAKUMI (author) / NAGAO YOTA (author) / NOMURA DAISUKE (author) / ONISHI TAKAAKI (author)
2016-05-12
Patent
Electronic Resource
Japanese
IPC:
E02D
FOUNDATIONS
,
Gründungen
FILLER INJECTION TOOL INTO ERECTED PIPE, AND FILLER INJECTION METHOD INTO ERECTED PIPE
| European Patent Office | 2016