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Rozrobka, doslihdzhennja ta praktichne zastosuvannja prostorovikh konstrukcihjj skladchastikh kupolihv

Klimenko F., Khramcov V., Carinnik O.

Zeszyty Naukowe Politechniki Rzeszowskiej. Budownictwo i Inżynieria Środowiska

2000

z. 32[180], cz.1

239-246

This paper focuses on the study of the bearing capacity of reinforced concrete domes assembled from pre-cast folds with dry joint using the yield line theory of the limit load analysis. The developed equations allow determining the bearing capacity and quantitative parameters of collapse mode for this type of structures under axisymmetric loads. Based on the experiments with the 4.5 m diameter dome model under uniformly distributed load, bearing capacity and certain possible collapse modes were established. The character of crack formation, deflection, as well as lateral and longitudinal deformations of concrete folds were determined. It was established that application of the limit load analysis for determining the possible collapse modes of folded domes and for learning their bearing capacity and quantitative parameters of collapse mode, provides results that are satisfactorily close to the experimental.