混凝土表面的拉伸强度和混凝土修补和覆盖材料的粘结强度或拉伸强度的直接拉伸测试方法(拉法)

• Standard Test Method for Tensile Strength of Concrete Surfaces and the Bond Strength or Tensile Strength of Concrete Repair and Overlay Materials by Direct Tension (Pull-off Method)