Abstract
The tubular hollow slab inside which GBF high-strength thin-wall pipes are placed is a new type of hollow structure. First the ultimate bearing capacity of tubular hollow continuous slab is measured by experiment. Then the ultimate bearing capacity of the tubular hollow continuous slab is studied by plastic limit analysis method. And the complete solution of structural ultimate load under condition of full internal force redistribution is solved. The study show that the measured values of ultimate load are all a little larger than the theoretical values of ultimate load, which shows that the tubular hollow slab develop full internal force redistribution. So it can be concluded that the tubular hollow slab has fine performance of plastic internal force redistribution.
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