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A platform for research: civil engineering, architecture and urbanism
Slump loss-resistant micro-expansive concrete and preparation method thereof
The invention relates to slump loss-resistant micro-expansive concrete and a preparation method thereof. The concrete is prepared from the following raw materials in parts by weight: 300 to 500 partsof cement, 35 to 48 parts of fly ash, 40 to 69 parts of expanding agent, 500 to 700 parts of sand, 900 to 1100 parts of stone, 140 to 223 parts of water and 7 to 18 parts of additive, wherein the additive comprises the following components in parts by weight: 10-21 parts of a water reducing agent, 11-18 parts of a slump retaining agent and 7-16 parts of white sugar, the slump retaining agent comprises the following components in parts by weight: 20-36 parts of sodium gluconate and 9-16 parts of zinc sulfate. The preparation method of the concrete comprises the following steps: mixing the corresponding components under specified conditions, therefore, the slump loss of the micro-expansive concrete can be effectively reduced.
本申请涉及一种保坍微膨胀混凝土及其制备方法，其涉及混凝土领域，本申请混凝土原料按重量份包括以下组分：水泥300‑500份，粉煤灰35‑48份，膨胀剂40‑69份，砂500‑700份，石900‑1100份，水140‑223份，外加剂7‑18份；所述外加剂按重量份包括以下组分：减水剂10‑21份，保坍剂11‑18份，白糖7‑16份；所述保坍剂按重量份包括以下组分：葡萄糖酸钠20‑36份，硫酸锌9‑16份。本申请混凝土的制备方法为将相应组分在规定条件下混合；从而本申请可以有效降低微膨胀混凝土的坍落度损失。
Slump loss-resistant micro-expansive concrete and preparation method thereof
The invention relates to slump loss-resistant micro-expansive concrete and a preparation method thereof. The concrete is prepared from the following raw materials in parts by weight: 300 to 500 partsof cement, 35 to 48 parts of fly ash, 40 to 69 parts of expanding agent, 500 to 700 parts of sand, 900 to 1100 parts of stone, 140 to 223 parts of water and 7 to 18 parts of additive, wherein the additive comprises the following components in parts by weight: 10-21 parts of a water reducing agent, 11-18 parts of a slump retaining agent and 7-16 parts of white sugar, the slump retaining agent comprises the following components in parts by weight: 20-36 parts of sodium gluconate and 9-16 parts of zinc sulfate. The preparation method of the concrete comprises the following steps: mixing the corresponding components under specified conditions, therefore, the slump loss of the micro-expansive concrete can be effectively reduced.
本申请涉及一种保坍微膨胀混凝土及其制备方法，其涉及混凝土领域，本申请混凝土原料按重量份包括以下组分：水泥300‑500份，粉煤灰35‑48份，膨胀剂40‑69份，砂500‑700份，石900‑1100份，水140‑223份，外加剂7‑18份；所述外加剂按重量份包括以下组分：减水剂10‑21份，保坍剂11‑18份，白糖7‑16份；所述保坍剂按重量份包括以下组分：葡萄糖酸钠20‑36份，硫酸锌9‑16份。本申请混凝土的制备方法为将相应组分在规定条件下混合；从而本申请可以有效降低微膨胀混凝土的坍落度损失。
Slump loss-resistant micro-expansive concrete and preparation method thereof
一种保坍微膨胀混凝土及其制备方法
ZHANG ZHIFENG (author) / GUO XUEWU (author) / LIU CHENG (author) / GU TENG (author) / DING CHENGBIN (author) / WEI XUDONG (author) / CHEN CHAOHUI (author)
2020-11-20
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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