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The authors will describe in the following pages the reasons why the project of the Multi-functional Sports Hall from Cluj Napoca is attractive. The main lines of the building are: a hall with a capacity of 7000 seats, a structure dominated by precast concrete elements, a long span roof and an advanced analysis of the connections, all well-kept int...
Contexts in source publication
Context 1
... Multi-functional Sports Hall is organized on five levels: underground level, ground level and three stories (Figures 1 and 2). Underground level is a parking with 447 car capacity. ...
Context 2
... an accurate analysis including geometrical and material nonlinearities of the selected joint (Figure 10), a specific finite element model was developed (Figure 11). Nonlinear elastic-plastic analysis considering geometric nonlinearities (GMNA and GMNIA) has been applied. ...
Context 3
... an accurate analysis including geometrical and material nonlinearities of the selected joint (Figure 10), a specific finite element model was developed (Figure 11). Nonlinear elastic-plastic analysis considering geometric nonlinearities (GMNA and GMNIA) has been applied. ...
Context 4
... model was developed in ABAQUS [8] finite element program, using S4R-type elements (4- node shell elements with reduced integration) with 6 degrees of freedom on each node (translation and rotation with regard to the x, y and z-axis). All strengthening plates and SHS sections were modelled in their mid-plane and the connections between chords and truss flanges were defined as a surface-to-surface tie between SHS section end -strengthening plates ( Figure 13). The model's materials were defined as elastic -linear plastic (E=210000 N/mm 2 , υ = 0,3) with a yield strength of f y = 275 N/mm 2 for all the rectangular hollow sections. ...
Context 5
... transportation of any truss from the steel shop -where the assembly is produced -to the site to be used, can be a very expensive process. The global dimension of one truss (76,10 m), imposed to be cut in five pieces (Figure 14). Due to the expensive transportation of the first truss, for the next six only the assembly parts were cut in the shop, the truss assembly welding was switched on site. ...
Context 6
... erection process started when the first two trusses were ready. In the erection phase the end parts was positioned first, followed by the intermediate three subassemblies positioning as a single one ( Figure 14). For all these intermediate phases, the stability of the parts has been checked. ...
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Citations
This article contains the results of identifying the potential of coniferous trees to act as bioinspiration for the structural design of columns in single-story warehouses subjected to high wind velocity and severe seismic action. This study starts by analyzing the biomechanics of coniferous trees, continues with an abstraction of the relevant features, and ends with the transfer of a design methodology for long reinforced and prestressed concrete columns. To verify the applicability and validity of the mathematical relationships extracted from the bibliographic study to characterize the biomechanics of coniferous trees, a study site is conducted for Norway spruce trees felled by the wind in the Bilbor area. The design methodology for long reinforced and prestressed concrete columns bioinspired by the Norway spruce trees is experimentally validated using two case studies. The first case study deals with the effect of centric prestressing on long concrete columns, and the second on the influence of the walnut shell powder on the adhesion of the reinforcement in concrete. The case studies presented aim to transfer some characteristics from trees to reinforced concrete to improve the performance of long columns under horizontal forces. The results obtained indicate a good approximation of the trees’ structural behavior for this site and for ones investigated by other researchers in different forests.
