Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Machine-made sand fair-faced concrete using limestone powder and preparation method thereof
The invention discloses machine-made sand fair-faced concrete using limestone powder and a preparation method thereof. The concrete comprises the following components in percentage by mass: 12-15% ofcement; 0.7-2.6% of limestone powder; 0-1% of phosphorus slag powder; 33-38% of machine-made sand; 36-40% of broken stone; 0.03-0.04% of an additive; and 6-7% of water. The limestone powder is used for partially replacing cement, the cement consumption of the same-grade machine-made sand fair-faced concrete can be reduced, the risk of concrete cracking is reduced, meanwhile, the concrete cost is reduced, good economic benefits and social benefits are achieved, the inherent advantages of the machine-made sand are brought into full play, and the problem of natural sand resource shortage is effectively relieved.
本发明公开了一种使用石灰石粉的机制砂清水混凝土及其制备方法，该混凝土各成分按质量百分比记如下：水泥12‑15％；石灰石粉0.7‑2.6％；磷渣粉0‑1％；机制砂33‑38％；碎石36‑40％；外加剂0.03‑0.04％；水6‑7％。本发明使用石灰石粉部分替代水泥，能够降低同等级机制砂清水混凝土水泥用量，降低混凝土开裂的风险，同时有利于降低混凝土成本，具有良好的经济效益和社会效益，并将机制砂的固有优势充分发挥，有效缓解天然砂资源短缺问题。
Machine-made sand fair-faced concrete using limestone powder and preparation method thereof
The invention discloses machine-made sand fair-faced concrete using limestone powder and a preparation method thereof. The concrete comprises the following components in percentage by mass: 12-15% ofcement; 0.7-2.6% of limestone powder; 0-1% of phosphorus slag powder; 33-38% of machine-made sand; 36-40% of broken stone; 0.03-0.04% of an additive; and 6-7% of water. The limestone powder is used for partially replacing cement, the cement consumption of the same-grade machine-made sand fair-faced concrete can be reduced, the risk of concrete cracking is reduced, meanwhile, the concrete cost is reduced, good economic benefits and social benefits are achieved, the inherent advantages of the machine-made sand are brought into full play, and the problem of natural sand resource shortage is effectively relieved.
本发明公开了一种使用石灰石粉的机制砂清水混凝土及其制备方法，该混凝土各成分按质量百分比记如下：水泥12‑15％；石灰石粉0.7‑2.6％；磷渣粉0‑1％；机制砂33‑38％；碎石36‑40％；外加剂0.03‑0.04％；水6‑7％。本发明使用石灰石粉部分替代水泥，能够降低同等级机制砂清水混凝土水泥用量，降低混凝土开裂的风险，同时有利于降低混凝土成本，具有良好的经济效益和社会效益，并将机制砂的固有优势充分发挥，有效缓解天然砂资源短缺问题。
Machine-made sand fair-faced concrete using limestone powder and preparation method thereof
一种使用石灰石粉的机制砂清水混凝土及其制备方法
LIN XIHUA (Autor:in) / WANG JUN (Autor:in) / LI XINHUI (Autor:in) / HE KAI (Autor:in) / ZHAO SHIHAO (Autor:in) / HE XIN (Autor:in) / LU DONGYI (Autor:in) / GU QINGSHAN (Autor:in)
09.03.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2021
Limestone machine-made sand concrete and preparation method thereof
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2021