Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to a design and preparation method of a high-impermeability nano coiled material for tunnel engineering, and belongs to the technical field of preparation of high-impermeability nano coiled materials. According to the nano coiled material, basalt fiber is used as a base material, a layer of high-density anti-permeability nano cement-based material is sprayed on the base material, the nano cement-based material has the characteristic of rapid hardening, and the nano cement-based material and the fiber base material are rapidly coiled after spraying and hardening, so that the flexible high-permeability nano coiled material is formed. In the application process, the fiber face is attached to a pouring formwork in advance towards the concrete pouring face of the tunnel shield segment, so that the high-impermeability nano coiled material and concrete are formed in a pouring mode at a time, the engineering quality is improved, and meanwhile complex procedures can be avoided; the combination effect of the high-impermeability nano cement-based material and the high-impermeability fibers is utilized, so that a high-durability protective layer is synchronously generated in the forming process of the shield segment. The method has important significance for improving the durability of the shield segment, ensuring the quality of shield tunnel engineering and prolonging the service life of the shield segment.
本发明涉及一种用于隧道工程的高抗渗纳米卷材设计与制备方法，属于高抗渗纳米卷材的制备技术领域。该纳米卷材以玄武岩纤维为基材，在基材上喷涂一层高致密抗渗纳米水泥基材料，该纳米水泥基材料具备快速硬化特点，喷涂硬化后连同纤维基材迅速卷起，形成一种柔性的高抗渗纳米卷材。在应用过成中，纤维面向着隧道盾构管片的混凝土浇筑面事先预附于浇筑模板上，使高抗渗纳米卷材与混凝土一次浇筑成型，提高工程质量同时还能避免复杂工序；利用高抗渗纳米水泥基材料与高抗渗纤维的组合作用，使得盾构管片在成型过程中同步生成一种高耐久性保护层。该发明对提高盾构管片的耐久性，保证盾构隧道工程质量和提高其服役寿命具有重要意义。
The invention relates to a design and preparation method of a high-impermeability nano coiled material for tunnel engineering, and belongs to the technical field of preparation of high-impermeability nano coiled materials. According to the nano coiled material, basalt fiber is used as a base material, a layer of high-density anti-permeability nano cement-based material is sprayed on the base material, the nano cement-based material has the characteristic of rapid hardening, and the nano cement-based material and the fiber base material are rapidly coiled after spraying and hardening, so that the flexible high-permeability nano coiled material is formed. In the application process, the fiber face is attached to a pouring formwork in advance towards the concrete pouring face of the tunnel shield segment, so that the high-impermeability nano coiled material and concrete are formed in a pouring mode at a time, the engineering quality is improved, and meanwhile complex procedures can be avoided; the combination effect of the high-impermeability nano cement-based material and the high-impermeability fibers is utilized, so that a high-durability protective layer is synchronously generated in the forming process of the shield segment. The method has important significance for improving the durability of the shield segment, ensuring the quality of shield tunnel engineering and prolonging the service life of the shield segment.
本发明涉及一种用于隧道工程的高抗渗纳米卷材设计与制备方法，属于高抗渗纳米卷材的制备技术领域。该纳米卷材以玄武岩纤维为基材，在基材上喷涂一层高致密抗渗纳米水泥基材料，该纳米水泥基材料具备快速硬化特点，喷涂硬化后连同纤维基材迅速卷起，形成一种柔性的高抗渗纳米卷材。在应用过成中，纤维面向着隧道盾构管片的混凝土浇筑面事先预附于浇筑模板上，使高抗渗纳米卷材与混凝土一次浇筑成型，提高工程质量同时还能避免复杂工序；利用高抗渗纳米水泥基材料与高抗渗纤维的组合作用，使得盾构管片在成型过程中同步生成一种高耐久性保护层。该发明对提高盾构管片的耐久性，保证盾构隧道工程质量和提高其服役寿命具有重要意义。
Design and preparation method of high-impermeability nano coiled material for tunnel engineering
一种用于隧道工程的高抗渗纳米卷材设计与制备方法
09.08.2024
Patent
Elektronische Ressource
Chinesisch
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