EXPERIMENTAL RESEARCH OF MONOLITHIC SLABS OF UNDERGROUND PASSAGES WITH THE LOWER VAULTED SURFACE
https://doi.org/10.26518/2071-7296-2017-6(58)-84-91
Abstract
The article considers the variants of profiled sheeting application as permanent formwork in monolithic and precast-monolithic designs of overlappings. Their advantages and disadvantages are described. The proposed method of improvement is presented, the results of which is a new structure overlapping with the lower vaulted surface. The influence of the spacer efforts, which were previously obtained by the method of calculation is realized in the structure of floors with the lower vaulted surface. The research presents experimental studies of the fragments overlap slightly deepened underground pedestrian crossings with the lower vaulted surface. The test circuit corresponding to the overlap with the lower vaulted surface in different structural systems is reviewed. The values of thrust, in arched fragments of the slab from uniformly distributed and concentrated loads. The comparison of experienced and theoretical values of thrust obtained by previously proposed methods is made.
About the Authors
A. A. Komlev
Siberian state automobile-highway University (SibADI)
Russian Federation
Russian Federation
teacher, Department uilding Construction
S. A. Makeev
Siberian state automobile-highway University (SibADI)
Russian Federation
Russian Federation
doctor of technical Sciences, professor, Department building
Y. V. Krasnoshchekov
Siberian state utomobile-highway University (SibADI)
Russian Federation
Russian Federation
doctor of technical Sciences, associate Professor,Department building Construction
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Review
For citations:
Komlev A.A., Makeev S.A., Krasnoshchekov Y.V. EXPERIMENTAL RESEARCH OF MONOLITHIC SLABS OF UNDERGROUND PASSAGES WITH THE LOWER VAULTED SURFACE. The Russian Automobile and Highway Industry Journal. 2017;(6(58)):84-91. (In Russ.) https://doi.org/10.26518/2071-7296-2017-6(58)-84-91
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