精品文档---下载后可任意编辑隧道气密性混凝土配制技术讨论的开题报告【摘要】隧道气密性混凝土是一种用于隧道内部的特别混凝土，其主要的特点是具有极高的气密性。本文基于此，讨论了隧道气密性混凝土的配制技术。本文首先介绍了隧道气密性混凝土的概念和在隧道工程中的应用价值，分析了影响隧道混凝土气密性的因素，并提出了达到高气密性的配制技术。其次，本文对混凝土设计强度、配合比、掺合料种类与掺量、拌合方式、养护条件等方面进行了详细的分析和讨论，阐述了各种配制技术的优缺点和适用范围。最后，本文总结了现有的讨论成果和存在的问题，并指出了下一步的讨论方向和工作重点。【关键词】隧道；气密性混凝土；配制技术；因素；强度；配合比；掺合料；拌合方式；养护条件【Abstract】Tunnel airtight concrete is a special concrete used in the interior of tunnels, which is characterized by extremely high airtightness. Based on this, this article studies the formulation technology of tunnel airtight concrete.This article first introduces the concept of tunnel airtight concrete and its application value in tunnel engineering, analyzes the factors that affect the airtightness of tunnel concrete, and proposes the formulation technology to achieve high airtightness. Secondly, this article analyzes and studies the concrete design strength, mix proportion, types and amount of admixtures, mixing method, curing conditions and other aspects in detail, and explains the advantages, disadvantages and applicable scope of various formulation technologies.Finally, this article summarizes the existing research results and problems, and points out the next research direction and work focus.【Key Words】Tunnel; airtight concrete; formulation technology; factors; strength; mix proportion; admixtures; mixing method; curing conditions
