Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
BACK-FILLING MATERIAL
To provide a back-filling material which is used in building a tunnel, a vertical shaft or the like, and is cured at a temperature lower than freezing point.SOLUTION: There is provided a back-filling material containing (a) slag or fly ash, (b) sodium aluminate, and (c) sodium silicate, in which a molar ratio of SiO2 based on Na2O in the sodium silicate is in a range of 0.9 to 2.7, concentration of the (a) component in the back-filling material is in a range of 5 to 50 mass%, concentration of the (b) component in the back-filling material is in a range of 10 to 45 mass%, and concentration of the sodium silicate in the back-filling material is in a range of 10 to 28 mass%.SELECTED DRAWING: None
【課題】トンネル、立坑等の築造において使用される、氷点下の温度において硬化する裏込材の提供。【解決手段】裏込材であって、（ａ）スラグ又はフライアッシュ、（ｂ）アルミンソ酸ソーダ、及び（ｃ）けい酸ソーダを含み、前記けい酸ソーダにおけるＮａ２Ｏに対するＳｉＯ２のモル比が０．９〜２．７の範囲にあり、前記裏込材における前記（ａ）成分の濃度が５〜５０質量％の範囲にあり、前記裏込材における前記（ｂ）成分の濃度が１０〜４５質量％の範囲にあり、前記裏込材における前記けい酸ソーダの濃度が１０〜２８質量％の範囲にある裏込材。【選択図】なし
BACK-FILLING MATERIAL
To provide a back-filling material which is used in building a tunnel, a vertical shaft or the like, and is cured at a temperature lower than freezing point.SOLUTION: There is provided a back-filling material containing (a) slag or fly ash, (b) sodium aluminate, and (c) sodium silicate, in which a molar ratio of SiO2 based on Na2O in the sodium silicate is in a range of 0.9 to 2.7, concentration of the (a) component in the back-filling material is in a range of 5 to 50 mass%, concentration of the (b) component in the back-filling material is in a range of 10 to 45 mass%, and concentration of the sodium silicate in the back-filling material is in a range of 10 to 28 mass%.SELECTED DRAWING: None
【課題】トンネル、立坑等の築造において使用される、氷点下の温度において硬化する裏込材の提供。【解決手段】裏込材であって、（ａ）スラグ又はフライアッシュ、（ｂ）アルミンソ酸ソーダ、及び（ｃ）けい酸ソーダを含み、前記けい酸ソーダにおけるＮａ２Ｏに対するＳｉＯ２のモル比が０．９〜２．７の範囲にあり、前記裏込材における前記（ａ）成分の濃度が５〜５０質量％の範囲にあり、前記裏込材における前記（ｂ）成分の濃度が１０〜４５質量％の範囲にあり、前記裏込材における前記けい酸ソーダの濃度が１０〜２８質量％の範囲にある裏込材。【選択図】なし
BACK-FILLING MATERIAL
裏込材
KUROIWA DAICHI (Autor:in) / SASAHARA SHIGEO (Autor:in) / MATSUYAMA YUJI (Autor:in) / NISHIDA YOSHIO (Autor:in) / TAKAHASHI TOSHIYUKI (Autor:in) / ISHII HIROYASU (Autor:in)
23.05.2019
Patent
Elektronische Ressource
Japanisch
INJECTION METHOD AND DEVICE FOR TUNNEL BACK-FILLING MATERIAL, AND BACK-FILLING MATERIAL
| Europäisches Patentamt | 2022