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A platform for research: civil engineering, architecture and urbanism
Compound type elasticity reducing agent, preparation method thereof and sprayed concrete
The invention relates to the technical field of concrete admixtures, and particularly discloses a composite elasticity reducing agent, a preparation method thereof and sprayed concrete. The composite elasticity reducing agent comprises the following components in percentage by weight: 10-25% of a polycarboxylic acid water reducing agent; 0-0.09% of an air entraining agent; 0.06% to 0.18% of a tackifier; 5-20% of a coagulation accelerating early strength agent; and 0.5-2% of a waterproof agent. When the composite type elasticity reducing agent is used for preparing sprayed concrete, through detection, after the composite type elasticity reducing agent is added, the 1d compressive strength of the obtained sprayed concrete is improved by 35.2% or above, the 28d compressive strength is improved by 29.9% or above, the rebound rate is reduced by 59.1% or above, and the effect is remarkable.
本申请涉及混凝土外加剂的技术领域，具体公开了一种复合型减弹剂及其制备方法和喷射混凝土。所述复合型减弹剂按重量百分比计，包括聚羧酸减水剂10‑25%；引气剂0‑0.09%；增粘剂0.06‑0.18%；促凝早强剂5‑20%；防水剂0.5‑2%。将本申请所得复合型减弹剂用于制备喷射混凝土，经检测，加入复合型减弹剂后，所得喷射混凝土1d抗压强度提高了35.2%以上，28d抗压强度提高了29.9%以上，回弹率降低了59.1%以上，效果显著。
Compound type elasticity reducing agent, preparation method thereof and sprayed concrete
The invention relates to the technical field of concrete admixtures, and particularly discloses a composite elasticity reducing agent, a preparation method thereof and sprayed concrete. The composite elasticity reducing agent comprises the following components in percentage by weight: 10-25% of a polycarboxylic acid water reducing agent; 0-0.09% of an air entraining agent; 0.06% to 0.18% of a tackifier; 5-20% of a coagulation accelerating early strength agent; and 0.5-2% of a waterproof agent. When the composite type elasticity reducing agent is used for preparing sprayed concrete, through detection, after the composite type elasticity reducing agent is added, the 1d compressive strength of the obtained sprayed concrete is improved by 35.2% or above, the 28d compressive strength is improved by 29.9% or above, the rebound rate is reduced by 59.1% or above, and the effect is remarkable.
本申请涉及混凝土外加剂的技术领域，具体公开了一种复合型减弹剂及其制备方法和喷射混凝土。所述复合型减弹剂按重量百分比计，包括聚羧酸减水剂10‑25%；引气剂0‑0.09%；增粘剂0.06‑0.18%；促凝早强剂5‑20%；防水剂0.5‑2%。将本申请所得复合型减弹剂用于制备喷射混凝土，经检测，加入复合型减弹剂后，所得喷射混凝土1d抗压强度提高了35.2%以上，28d抗压强度提高了29.9%以上，回弹率降低了59.1%以上，效果显著。
Compound type elasticity reducing agent, preparation method thereof and sprayed concrete
一种复合型减弹剂及其制备方法和喷射混凝土
WANG ZILONG (author) / WANG JING (author) / HU CHAOLONG (author) / LI WENXIU (author) / LIU JUNYUAN (author) / KONG TAO (author) / WU HAO (author) / JI YE (author) / LI DEJUN (author) / HE XINXIN (author)
2024-04-26
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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