美利体育登录入口官网:LST EN 1544-2007 用于保护和修复混凝土结构的产品和系统 测试方法 用于锚固钢筋的合成树脂产品(PC)在持续拉伸载荷下蠕变的测定
Products and systems for the protection and repair of concrete structures - Test methods - Determination of creep under sustained tensile load for synthetic resin products (PC) for the anchoring of reinforcing bars