锚钢砼耦合大跨度拱结构及其永久支护方法
The five-layer support method for anchored steel-concrete coupled large-span arch structures solves the problems of complex construction and insufficient strength in the support of large-span sections in coal mines, achieving efficient and economical support effects and simplified process.
CN114876521BActive Publication Date: 2026-07-17DATONG COAL MINE GRP
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- DATONG COAL MINE GRP
- Filing Date
- 2022-06-15
- Publication Date
- 2026-07-17
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Figure CN114876521B_ABST
Abstract
本发明涉及煤矿巷道中的支护技术领域，具体为锚钢砼耦合大跨度拱结构及其永久支护方法。其为了解决现有技术中常用的两种永久支护方法存在上述缺陷的问题，故提供了一种新的锚钢砼耦合大跨度拱结构及其永久支护方法，包括五层依次分布的支护结构，第一层支护为砼支护；第二层支护为锚网支护；第三层支护为砼支护；第四层支护为锚网支护；第五层支护为砼支护。本发明通过不同时空两层锚网和三层砼支护的优化组合，使钢筋混凝土砌碹和锚网支护有机融为一体，克服了传统锚网喷支护的缺点，突破了传统钢筋混凝土碹体被动等压支护弊端，实现了钢筋混凝土碹体的主动预紧支护，实现了工艺快捷和成本降低。
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