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WATER BLOCKING MATERIAL AND MANUFACTURING METHOD THEREOF, AND WATER BLOCKING STRUCTURE OF DIAPHRAGM WALL
PROBLEM TO BE SOLVED: To provide a bentonite-based water blocking material capable of both improving fluidity and maintaining water blocking performance.SOLUTION: A water blocking material to be filled in a joint part of a joint member constituting a diaphragm wall comprises at least sand, bentonite, aqueous sodium chloride solution composed artificially, and gel retardant. A example of a manufacturing method is to mix sand and bentonite in a dry state, then add aqueous sodium chloride solution and stir it sufficiently, and finally add gel retardant and stir it further.SELECTED DRAWING: Figure 1
【課題】流動性の向上と遮水性の維持の両立が可能なベントナイト系遮水材を提供すること【解決手段】連壁を構成する接合部材の継手部分に充填する遮水材であって、少なくとも、砂、ベントナイト、人工配合による塩化ナトリウム水溶液、およびゲル化遅延剤を含むことを特徴とする。製造方法の一例としては、砂とベントナイトを乾燥状態で混合した後に、塩化ナトリウム水溶液を加えて十分撹拌し、最後にゲル化遅延剤を添加し、さらに撹拌する方法がある。【選択図】図１
WATER BLOCKING MATERIAL AND MANUFACTURING METHOD THEREOF, AND WATER BLOCKING STRUCTURE OF DIAPHRAGM WALL
PROBLEM TO BE SOLVED: To provide a bentonite-based water blocking material capable of both improving fluidity and maintaining water blocking performance.SOLUTION: A water blocking material to be filled in a joint part of a joint member constituting a diaphragm wall comprises at least sand, bentonite, aqueous sodium chloride solution composed artificially, and gel retardant. A example of a manufacturing method is to mix sand and bentonite in a dry state, then add aqueous sodium chloride solution and stir it sufficiently, and finally add gel retardant and stir it further.SELECTED DRAWING: Figure 1
【課題】流動性の向上と遮水性の維持の両立が可能なベントナイト系遮水材を提供すること【解決手段】連壁を構成する接合部材の継手部分に充填する遮水材であって、少なくとも、砂、ベントナイト、人工配合による塩化ナトリウム水溶液、およびゲル化遅延剤を含むことを特徴とする。製造方法の一例としては、砂とベントナイトを乾燥状態で混合した後に、塩化ナトリウム水溶液を加えて十分撹拌し、最後にゲル化遅延剤を添加し、さらに撹拌する方法がある。【選択図】図１
WATER BLOCKING MATERIAL AND MANUFACTURING METHOD THEREOF, AND WATER BLOCKING STRUCTURE OF DIAPHRAGM WALL
遮水材およびその製造方法、ならびに連壁の止水構造
TADANO YUSUKE (author) / ISHIDA SEIICHI (author) / SHIMOMURA MASANORI (author)
2018-04-05
Patent
Electronic Resource
Japanese
| European Patent Office | 2019
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