Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hole slag sand powder high-toughness cement-based material for jetting construction of surrounding rock large-deformation tunnel
The invention discloses a hole slag sand powder high-toughness cement-based material for jetting construction of a surrounding rock large-deformation tunnel and a preparation method thereof, and belongs to the field of building materials, the hole slag sand powder high-toughness cement-based material comprises the following raw materials: 600-1000 parts of Portland cement, 300-600 parts of hole slag sand powder, 50-100 parts of a microscopic energy consumption component, 20-60 parts of a microcosmic energy consumption component, 60-100 parts of an accelerator, 2-5 parts of a working performance regulating material and 350-500 parts of water. According to the prepared high-toughness cement-based material, the hard rock waste hole slag sand powder is adopted to replace superfine quartz sand in a traditional material, the microcosmic energy consumption component and the microcosmic energy consumption component are adopted as toughening and energy absorbing components, and the obtained high-toughness cement-based material is high in static ductility, good in durability, low in comprehensive cost and suitable for large-scale production. Meanwhile, a recycling mode is provided for the waste hole slag, and the method has wide application prospects in railway and highway extremely complex stress field surrounding rock large-deformation tunnels, large-temperature-difference circulating bridge pier outer protection layers and bridge deck plate paving.
本发明公开了一种用于围岩大变形隧道喷射施工的洞渣砂粉高韧性水泥基材料及其制备方法，属于建筑材料领域，原料为：硅酸盐水泥600‑1000份、洞渣砂粉300‑600份、微观耗能组分50‑100份、细观耗能组分20‑60份、速凝剂60‑100份、工作性能调控材料2‑5份和水350‑500份。本发明制备的高韧性水泥基材料采用坚硬岩废弃洞渣砂粉替代传统材料中的超细石英砂，采用细观耗能组分加微观耗能组分作为增韧吸能组分，得到的高韧性水泥基材料静态延性高、耐久性能好、综合成本低，同时为废弃洞渣提供了再利用方式，在铁路、公路极端复杂应力场围岩大变形隧道、大温差循环桥墩外保护层、桥面板铺装中具有广阔的应用前景。
Hole slag sand powder high-toughness cement-based material for jetting construction of surrounding rock large-deformation tunnel
The invention discloses a hole slag sand powder high-toughness cement-based material for jetting construction of a surrounding rock large-deformation tunnel and a preparation method thereof, and belongs to the field of building materials, the hole slag sand powder high-toughness cement-based material comprises the following raw materials: 600-1000 parts of Portland cement, 300-600 parts of hole slag sand powder, 50-100 parts of a microscopic energy consumption component, 20-60 parts of a microcosmic energy consumption component, 60-100 parts of an accelerator, 2-5 parts of a working performance regulating material and 350-500 parts of water. According to the prepared high-toughness cement-based material, the hard rock waste hole slag sand powder is adopted to replace superfine quartz sand in a traditional material, the microcosmic energy consumption component and the microcosmic energy consumption component are adopted as toughening and energy absorbing components, and the obtained high-toughness cement-based material is high in static ductility, good in durability, low in comprehensive cost and suitable for large-scale production. Meanwhile, a recycling mode is provided for the waste hole slag, and the method has wide application prospects in railway and highway extremely complex stress field surrounding rock large-deformation tunnels, large-temperature-difference circulating bridge pier outer protection layers and bridge deck plate paving.
本发明公开了一种用于围岩大变形隧道喷射施工的洞渣砂粉高韧性水泥基材料及其制备方法，属于建筑材料领域，原料为：硅酸盐水泥600‑1000份、洞渣砂粉300‑600份、微观耗能组分50‑100份、细观耗能组分20‑60份、速凝剂60‑100份、工作性能调控材料2‑5份和水350‑500份。本发明制备的高韧性水泥基材料采用坚硬岩废弃洞渣砂粉替代传统材料中的超细石英砂，采用细观耗能组分加微观耗能组分作为增韧吸能组分，得到的高韧性水泥基材料静态延性高、耐久性能好、综合成本低，同时为废弃洞渣提供了再利用方式，在铁路、公路极端复杂应力场围岩大变形隧道、大温差循环桥墩外保护层、桥面板铺装中具有广阔的应用前景。
Hole slag sand powder high-toughness cement-based material for jetting construction of surrounding rock large-deformation tunnel
一种用于围岩大变形隧道喷射施工的洞渣砂粉高韧性水泥基材料
LI HUAJIAN (Autor:in) / YANG ZHIQIANG (Autor:in) / YI ZHONGLAI (Autor:in) / HUANG FALI (Autor:in) / WANG ZHEN (Autor:in)
19.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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