Summary Of Design Methods For Sandwich Panels

In the process of application development, the design theory of the sandwich wallboard is also evolving. American scientists have systematically studied the different combinations of inner and outer leaf wall. According to the different tectonic pattern and force characteristics, the sandwich wallboard Divided into modular, non-modular, partial combination of three categories.

For the combination of sandwich wall panels, generally designed to internal and external leaf wall common force, with good economy, currently only part of the low-rise buildings in the United States have been applied, can be applied to high-rise buildings, still need to continue research The

For the non-modular sandwich wallboard, the outer leaf wall is only used as a protective layer, not with the inner wall of the combination, the outer wall of the wall of the weight entirely by the inner wall of the wall, and the outer wall of the wall is not involved in the force Distribution, inner leaf wall and outer leaf wall of the force and temperature deformation behavior is completely independent, which requires insulation puller in the lateral with good bending, shear strength and sufficient flexibility and toughness, when the outer leaf wall In the temperature changes can be free expansion and contraction, can basically eliminate the temperature stress, the protection of the outer wall of concrete will not crack, after a lot of experiments and 30 years of practice proved that the theory is established.


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