Waterproof and impermeable abilities are very important to keep the normal state of an engineering project, and the key method to increase impermeability is to use impermeable concrete.

• 摘要地下工程的防水抗渗能力对于保证工程项目的正常使用至关重要，使用抗渗混凝土是提高抗渗能力的关键。