Exemplos de uso de Flexural reinforcement em Inglês e suas traduções para o Português
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Is the flexural reinforcement ratio.
E s is the modulus of elasticity of the flexural reinforcement;
Strains on flexural reinforcement.
Es is the modulus of elasticity of the tensile flexural reinforcement;
Concrete and flexural reinforcement deformations.
Fys is the yield stress of the tensile flexural reinforcement;
Is the geometric flexural reinforcement ratio expressed by;
In the present work, slabs with spans of 6.1 m, 7.32 m and 8.54 m are studied.solid panel dimensions are varied in order to determine the size that leads to the lowest consumption of flexural reinforcement.
Is the ratio of flexural reinforcement, calculated as??? x.? y;
At that time one of the biggest challenges was to determinate the stresses in floors with slabs supported directly on columns, without any beams.It was common to observe significant variations in the flexural reinforcement ratio between different patented systems.
Is the ratio of flexural reinforcement of the slab, obtained as??? x.?y.
The precast segment analysed in[21] presents concrete with characteristic compression strength of 50 MPa and flexural reinforcement composed by rebars with 8 mm of diameter see figure 10.
The slabs have show flexural reinforcement with geometrical rates between 0.92% and 0.94.
It is a type of reinforcement considered of a high cost, normally used when there is the necessity to let large holes in the area close to the connection anddemand big adjusts in the flexural reinforcement around this area.
Figures 7 and 8 show flexural reinforcement used in the models 1 and 2, respectively.
Even though, it is evident that the authors could not experimentally observe justifications for the limitations imposed by Eurocode 2 for the size effect and for the flexural reinforcement ratio, considering technically more appropriate to perform adjusts in the coefficients of the formulations.
Finally, increasing either the flexural reinforcement ratio or the compressive strength of concrete would have poor efficiency.
The main variables involved in this experimental research were: 1 the presence of openings;2 the rate and distribution of flexural reinforcement; and 3 load, with different flexural moment transfers from the slab to the column.
Is the average tensioned flexural reinforcement ratio of the slab, calculated as, where? were?x and?y are the ratios in the directions x and y, respectively;
The author concluded that resistance losses were greater for the slabs with an adjacent opening to the smallest column side, and the adjacent opening dimension greater than the dimension of the column slabs L2, L3 andL4, which had as variables the rate and the flexural reinforcement position.
A total of 36 beams with flexural reinforcement, but 18 with shear reinforcement and 18 without this reinforcement were cast and tested under a four-point l.
Between the slabs, the main features that differ from each other are: quantity, placement and dimensions of the openings,the rate and distribution of flexural reinforcement, the shear reinforcement and the load eccentricity ratio M moment transferred to the column/ V shear in slab-column connection.
The discontinuous flexural reinforcement bars which ended in the opening were little solicited, indicating that these reinforcements are not effective against bending and therefore punching.
The tested models correspond to interior column/slab connection of a building, with dimensions of 2500 x 2500 mm long, 280 mm thick, circular column with 300 mm diameter,the same flexural reinforcement ratio and concrete strength of 45 mpa.
Is the flexural reinforcement ratio calculated as?= where?x and?y are the reinforcements ratios in orthogonal directions determined for strips with width equals to the side of the column plus 3·d for both sides;
The main differences between the prescriptions set by this code are the limitation of the sizeeffect value in k< 2,0, the limitation of the flexural reinforcement ratio that effectively contributes in the punching resistance, considered as?< 2% and the determination of the effective stress in the shear reinforcement. .
The flexural reinforcement used was the same for all the slabs being formed by 12.5 mm bars spaced at each 105 mm in x direction and 12.5 mm bars spaced at each 115 mm in the y direction. The concrete cover was 15 mm in the upper face and 10 mm the bottom of the slabs.
In the design of a slab-column connections, if it is found that they do not meet safety limits regarding punching, its resistance may be enhanced adopting some actions, as the increase of the column section,of the slab thickness, of the flexural reinforcement ratio, of the compressive strength of concrete, or by using drop panels and column capitals.
It was also reported that the use of additional flexural reinforcement bars in the region around the openings caused no increase to slabs shear punching resistance, although it has led to vertical displacements similar to the reference slab without openings.
The objective consists in investigating the efficiency of a new transverse reinforcement configuration, with forming an angle of approximately 90° with the emergence of punching failure surface,it is stressed that the new configuration has a greater ease of installation even though the flexural reinforcement is finished.