[PDF] Top 20 Rev. IBRACON Estrut. Mater. vol.7 número2 en v7n2a05

... From the support reactions obtained from the spatial model, for each combination under rigid and lexible base, considering the described methodology for the consideration of th[r] ... See full document

... O terceiro número do sétimo volume da Revista IBRACON de Estruturas e Materiais está sendo publicado, com sete artigos sobre materiais e estruturas de concreto. A avaliação de momentos de segunda ordem em ... See full document

... In this example, the cross-section integration with the Layer Method with nf = 10 or the ASGI Method with np = 2 generate accurate re- sults with 6 signiicant igures. However, the ASGI Method is more eficient due to the ... See full document

... The fourth issue of the 2014 volume of IBRACON Structures and Materials Journal (Volume 7 Num- ber 4) is now published. This issue brings eight articles on topics related to concrete structures and ... See full document

... Fragility curves are useful tools for assessing the vulnerability of bridges, describing the conditional probability that a structure or a structural component will meet or exceed a speciic damage state for various ... See full document

... has main and secondary ribs: main ribs on the direction of the small- est span and secondary ribs follow the direction of the largest span. The distances between the rib axes differ between the two direc- tions; they are ... See full document

... The codes used in this research estimate the punching shear re- sistance of slabs with holes adjacent to the column in a similar way, differing only in the shape, length and position of[r] ... See full document

... This research evaluates the behavior of slab-column connections in a reinforced concrete lat slab system and subjected to symmetrical loading, strengthened to the shear with carbon iber[r] ... See full document

... All concrete with addition of SBA showed a reduction of at least 10% in the properties related to permeability and an increase in compressive strength of up to 20% compared to standard [r] ... See full document

... The reinforcements’ strains were monitored using electrical strain gauges (EERs) manufactured by Excel Sensors with grid dimen- sions (3.18x3.18) mm² - model PA-06-125AA-120L, which were in- stalled on the steel bars. ... See full document

... Figure 4 shows the average compressive strength values (Rc) at 7, 28 and 90 days. It is conirmed that the mixture with 10% of replacement of Portland cement by MK and in the same w/b ratio reaches higher strength ... See full document

... The results presented in these igures shows have very important dispersion for all tests, compressive strength, tensile strength and permeability, and the data analysis doesn’t show a recognized pat- tern. In spite of ... See full document

... The third issue of the seventh volume of the IBRACON Structures and Materials Journal is now pub- lished, with seven articles on concrete structures and materials. Evaluation of second order moments in reinforced ... See full document

... Progressive collapse (PC) is usually described as a catastrophic dynamic behavior of civil engineering structures (Kim et al. [7]) that is inluenced by both material (Tsai and Lin [8]; Kwasniewski [9]) and ... See full document

... This study presents an alternative way of assessing the inal efforts of a structure, including second order effects, using both the coef - icients γ z and B 2. A range of medium-sized[r] ... See full document

... The turbidity and concentration of iron showed a similar behavior to the apparent color, with signiicantly higher values at point 1 and a sig - niicant decrease as the water passed thro[r] ... See full document

... The post-peak behavior of concrete under compression has funda- mental importance on ductility of it, modifying the ultimate behavior of reinforced concrete beams. The fact that post-peak stress-strain rela- tions are ... See full document

... in the 1980s, the modelling of structural phenomena considering uncertainties became attractive. This approach allows the inclu- sion of uncertainties in several analyses in a consisten[r] ... See full document

... The structural behavior and the ultimate punching shear resistance of internal reinforced concrete lat slab-column connections, with one hole adjacent to the column, with or without lexural moment transfer of the slab to ... See full document

... Therefore, the objective of this paper is to describe the statistical analyses of the results of the acceptance control of the concrete used for the manufacturing of tetrapods at the B[r] ... See full document