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Concrete for heating and shaping whole tunnel hole slag aggregate and preparation method thereof
The invention provides full tunnel hole slag aggregate heating and shaping concrete and a preparation method thereof, and belongs to the technical field of using machine-made aggregate as concrete. The invention provides full tunnel hole slag aggregate heating and shaping concrete. The full tunnel hole slag aggregate heating and shaping concrete is prepared from the following materials: 375 to 480 parts of Portland cement, 46.5 parts of a modified component, tunnel hole slag aggregate, 190 to 210 parts of water and 2 to 4 parts of a high-performance water reducing agent, the tunnel hole slag aggregate is prepared from 505.5 to 624.5 parts of tunnel hole slag fine aggregate and 1065 to 1179.5 parts of tunnel hole slag coarse aggregate. According to the method, multiple edges and corners of the machine-made gravel are improved to the maximum extent in a mode of firstly heating and then shaping, the stone powder content of hole slag aggregate is reduced, and impurities are removed. The concrete prepared from the aggregate which is firstly heated and then shaped is excellent in flowing property and high in mechanical property, and the 28d cubic compressive strength can reach 56MPa or above.
本发明提供了一种全隧道洞渣骨料加热整形的混凝土及其制备方法，属于机制骨料用作混凝土技术领域。本发明提供了一种全隧道洞渣骨料加热整形的混凝土，包括以下材料：硅酸盐水泥375‑480份、改性组分46.5份、隧道洞渣骨料、水190‑210份、高性能减水剂2‑4份；所述隧道洞渣骨料为隧道洞渣细骨料505.5‑624.5份和隧道洞渣粗骨料1065‑1179.5份。本发明通过先加热后整形方式实现最大限度改善机制砂石棱角多，减少洞渣骨料石粉含量，去除杂质。本发明采用先加热后整形骨料制备的混凝土流动性能优良，力学性能高，28d立方体抗压强度能达到56MPa以上。
Concrete for heating and shaping whole tunnel hole slag aggregate and preparation method thereof
The invention provides full tunnel hole slag aggregate heating and shaping concrete and a preparation method thereof, and belongs to the technical field of using machine-made aggregate as concrete. The invention provides full tunnel hole slag aggregate heating and shaping concrete. The full tunnel hole slag aggregate heating and shaping concrete is prepared from the following materials: 375 to 480 parts of Portland cement, 46.5 parts of a modified component, tunnel hole slag aggregate, 190 to 210 parts of water and 2 to 4 parts of a high-performance water reducing agent, the tunnel hole slag aggregate is prepared from 505.5 to 624.5 parts of tunnel hole slag fine aggregate and 1065 to 1179.5 parts of tunnel hole slag coarse aggregate. According to the method, multiple edges and corners of the machine-made gravel are improved to the maximum extent in a mode of firstly heating and then shaping, the stone powder content of hole slag aggregate is reduced, and impurities are removed. The concrete prepared from the aggregate which is firstly heated and then shaped is excellent in flowing property and high in mechanical property, and the 28d cubic compressive strength can reach 56MPa or above.
本发明提供了一种全隧道洞渣骨料加热整形的混凝土及其制备方法，属于机制骨料用作混凝土技术领域。本发明提供了一种全隧道洞渣骨料加热整形的混凝土，包括以下材料：硅酸盐水泥375‑480份、改性组分46.5份、隧道洞渣骨料、水190‑210份、高性能减水剂2‑4份；所述隧道洞渣骨料为隧道洞渣细骨料505.5‑624.5份和隧道洞渣粗骨料1065‑1179.5份。本发明通过先加热后整形方式实现最大限度改善机制砂石棱角多，减少洞渣骨料石粉含量，去除杂质。本发明采用先加热后整形骨料制备的混凝土流动性能优良，力学性能高，28d立方体抗压强度能达到56MPa以上。
Concrete for heating and shaping whole tunnel hole slag aggregate and preparation method thereof
一种全隧道洞渣骨料加热整形的混凝土及其制备方法
XU FENG (author) / HUANG LIANG (author) / ZHAO PENGPENG (author) / XIAO YAO (author) / QIU LIANGFENG (author) / LUO HANXIN (author) / WANG WEI (author) / ZHANG SHUGUO (author) / LYU ZHAONING (author)
2022-12-30
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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