Reinforced concrete or steel frame structure

In the steel reinforced concrete frame structure or use . Siding sizes are also increasing , the maximum length of 9m. Panels are generally located on the floor . Exterior siding with granite finishes are in the precast factory prefabricated and then transported to the site for installation. Concrete mixing plants technique , you can plant a shape, not only of good quality and high efficiency, large levee high level of mechanization and factory . Practice has proved that this set of external finishes , structural layer , waterproofing and insulation as one of the wall panels practices should be widely applied . Although the 1980s Beijing to promote a lot, but in the 1990s, but instead is rarely used. In addition, foreign external finishes used less brick ( especially white tile ) , even when using tile size is also used with similar color imitation brick brick brick . In the interior of the United batch mixing plant increased use of stone ( including granite, marble ) , the better . Dora the ground granite finishes sewing separate compartments , slit width 5 ~ 1Omm, pointing with silicone rubber . Many ground surface using fine granite , not only slip when walking foot feeling is also very good .