Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
High-strength counterweight concrete and preparation method thereof
The invention relates to the field of concrete building materials, and particularly discloses high-strength counter weight concrete and a preparation method thereof, the high-strength counter weight concrete comprises the following raw materials: cement, fly ash, mineral powder, fine aggregate, coarse aggregate, 5-10 parts of a water reducer, water, a tackifier, polyacrylonitrile fiber, and modified hollow glass bead-nano alumina; wherein iron sand is selected as the fine aggregate, barite is selected as the coarse aggregate, and the preparation method comprises the following steps: mixing the water reducing agent and 1/3 of water to prepare a liquid mixture; mixing the coarse aggregate and the fine aggregate, adding polyacrylonitrile fibers, and mixing to obtain a solid mixture; mixing cement, fly ash, mineral powder and modified hollow glass bead-nano aluminum oxide, mixing with the liquid mixture, adding the solid mixture, adding the rest of water, stirring, adding the tackifier, and stirring to obtain the high-strength counterweight concrete. The counterweight concrete has the characteristics that the strength reduction and cracking performance deterioration caused by aggregate sinking of the counterweight concrete are relieved, and the strength and the cracking resistance of the counterweight concrete are improved.
本申请涉及混凝土建材领域，具体公开了一种高强配重混凝土及其制备方法，包括包括以下原料：水泥、粉煤灰、矿粉、细骨料、粗骨料、5‑10份减水剂、水、增粘剂、聚丙烯腈纤维、改性空心玻璃微珠‑纳米氧化铝；其中，细骨料选用铁砂，粗骨料选用重晶石，其制备方法包括以下步骤：将减水剂和1/3用量的水混合，制得液混物；将粗骨料和细骨料混合后加入聚丙烯腈纤维，混合制得固混物；将水泥、粉煤灰、矿粉和改性空心玻璃微珠‑纳米氧化铝混合后与液混物混合，加入固混物后加入剩余的水，搅拌后加入增粘剂搅拌，制得高强配重混凝土。本申请具有缓解配重混凝土由于骨料下沉导致强度降低和开裂性能恶化，提高配重混凝土的强度和抗裂性能的特点。
High-strength counterweight concrete and preparation method thereof
The invention relates to the field of concrete building materials, and particularly discloses high-strength counter weight concrete and a preparation method thereof, the high-strength counter weight concrete comprises the following raw materials: cement, fly ash, mineral powder, fine aggregate, coarse aggregate, 5-10 parts of a water reducer, water, a tackifier, polyacrylonitrile fiber, and modified hollow glass bead-nano alumina; wherein iron sand is selected as the fine aggregate, barite is selected as the coarse aggregate, and the preparation method comprises the following steps: mixing the water reducing agent and 1/3 of water to prepare a liquid mixture; mixing the coarse aggregate and the fine aggregate, adding polyacrylonitrile fibers, and mixing to obtain a solid mixture; mixing cement, fly ash, mineral powder and modified hollow glass bead-nano aluminum oxide, mixing with the liquid mixture, adding the solid mixture, adding the rest of water, stirring, adding the tackifier, and stirring to obtain the high-strength counterweight concrete. The counterweight concrete has the characteristics that the strength reduction and cracking performance deterioration caused by aggregate sinking of the counterweight concrete are relieved, and the strength and the cracking resistance of the counterweight concrete are improved.
本申请涉及混凝土建材领域，具体公开了一种高强配重混凝土及其制备方法，包括包括以下原料：水泥、粉煤灰、矿粉、细骨料、粗骨料、5‑10份减水剂、水、增粘剂、聚丙烯腈纤维、改性空心玻璃微珠‑纳米氧化铝；其中，细骨料选用铁砂，粗骨料选用重晶石，其制备方法包括以下步骤：将减水剂和1/3用量的水混合，制得液混物；将粗骨料和细骨料混合后加入聚丙烯腈纤维，混合制得固混物；将水泥、粉煤灰、矿粉和改性空心玻璃微珠‑纳米氧化铝混合后与液混物混合，加入固混物后加入剩余的水，搅拌后加入增粘剂搅拌，制得高强配重混凝土。本申请具有缓解配重混凝土由于骨料下沉导致强度降低和开裂性能恶化，提高配重混凝土的强度和抗裂性能的特点。
High-strength counterweight concrete and preparation method thereof
一种高强配重混凝土及其制备方法
WANG SHAOCHENG (Autor:in) / ZHANG SHANPENG (Autor:in) / ZHANG XIN (Autor:in) / JIN JIANFENG (Autor:in) / LI SEN (Autor:in) / DUAN ZHONGQING (Autor:in) / GE XINXUN (Autor:in) / WU WANG (Autor:in) / YANG WENGUANG (Autor:in)
25.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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