DEVELOPMENT AND EVALUATION OF A HYBRID TYPE WATERPROOFING METHOD USING A COMBINATION OF POLYURETHANE RESIN AND AQUEOUS EMULSION

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  • ポリウレタン樹脂と水性エマルションの併用による2液混合型注入止水工法の開発および性能評価
  • ポリウレタン ジュシ ト スイセイ エマルション ノ ヘイヨウ ニ ヨル 2エキ コンゴウガタ チュウニュウ シスイ コウホウ ノ カイハツ オヨビ セイノウ ヒョウカ

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Abstract

<p>The conventional injection method for waterproofing the cracks emerging underneath a concrete structure is problematic. Therefore, the authors developed a hybrid type waterproofing using two substances consisting of polyurethane resin and aqueous emulsion. This method reliably stops water leakage by thorough curing. This method performed excellently in testing, demonstrating rapid curability, stability of configuration, the elongation property. It also facilitates the injection of chemicals into fine cracks. In application to a structure, this method was demonstrated excellent durability and performance.</p>

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