Building materials such as cement, steel, brick and other inspection have those norms and requirements?
Steel processing points work class, sub-processing equipment and type, that is, no equipment for each class of work in the same type of steel to be checked at least once, a group of three Steel welded joints, mechanical connection joints are also classified for inspection Cement approach should be its varieties, packaging and bulk positions, the date of the test, and its strength, stability, re-examination Bag 200T for an inspection lot, the bulk is 500T for a test batch, must be the same manufacturers, the same level, with the same species, with the same batch and continuous approach Brick according to each manufacturer's brick to the scene, according to sintered brick porous brick lime sand brick and fly ash brick each for a inspection batch inspection There are many other requirements, it is recommended to see masonry construction acceptance quality standards and concrete structure construction acceptance criteria
Steel into the field sampling to send inspection points to the brand, specifications, furnace number, but also to bring product certification and appearance inspection report
Concrete inspection, sub-different strength level, different types of pouring every time to be checked