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2022 ◽  
Vol 148 ◽  
pp. 107732
Author(s):  
Tao Zhang ◽  
Xiao Wang ◽  
Qifan Gong ◽  
Zongbao Shen ◽  
Xin Hou ◽  
...  
Keyword(s):  

2022 ◽  
Vol 906 ◽  
pp. 7-15
Author(s):  
Dmitry Utkin

On the basis of theoretical and experimental studies, the prerequisites and the method of calculation of bent and compressed-curved reinforced concrete structures with zone reinforcement made of steel fiber, working under static and short-term dynamic loads, are formulated. In the developed method for calculating the strength of normal and inclined sections, a nonlinear deformation model is implemented, which is based on the actual deformation diagrams of materials. The developed calculation method is brought to the program of calculation of reinforced concrete structures with zone reinforcement of steel fiber under short-term dynamic loading, taking into account the inelastic properties of materials. The numerical studies made it possible to determine the influence of various parameters of steel-fiber reinforcement on the strength of reinforced concrete elements. To confirm the main results of the developed calculation method, experimental studies of reinforced concrete beam structures reinforced with conventional reinforcement and a zone steel-fiber layer are planned and carried out. Experimental studies were carried out under static and short-term dynamic loads. As a result of the conducted experiments, data were obtained that characterize the process of destruction, deformation and cracking of steel-reinforced concrete elements under such types of loading. The dependences of changes in the energy intensity of reinforced concrete structures with zone reinforcement made of steel fiber in the compressed and stretched cross-section zones under dynamic loading are obtained. The effectiveness of the use of fiber reinforcement of normal and inclined sections of bent and compressed-curved elements to improve the strength and deformative.


2022 ◽  
Author(s):  
Fengfeng (. Xi ◽  
Gabriel Campos ◽  
Himanshu Sharma
Keyword(s):  

2022 ◽  
Vol 7 (1) ◽  
pp. 018201
Author(s):  
Haonan Sui ◽  
Long Yu ◽  
Wenbin Liu ◽  
Ying Liu ◽  
Yangyang Cheng ◽  
...  

2022 ◽  
Vol 259 ◽  
pp. 106705
Author(s):  
Stefanos Sotiropoulos ◽  
Nikos D. Lagaros
Keyword(s):  

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