[PDF] Top 20 Rev. IBRACON Estrut. Mater. vol.9 número2

... We are now publishing the second issue of the ninth volume of IBRACON Structures and Materials Journal (RIEM, Volume 9, Number 2, April 2016). This issue contains eight articles on relevant topics on ... See full document

... Thus, this study will evaluate the instability param- eters of the structure that result from variations of several general parameters, such as the thickness of the slabs, the sections [r] ... See full document

... According to Diamantidis [7] the reliability assessment has as main aim the prediction of the structure’s failure probability under a determinate scenario, taking into account the limit state service or ultimate limit ... See full document

... BRE (2005) [6] proposes a methodology to select sulfate-resistant concrete. The starting point is to determine the ACEC (Aggres- sive Chemical Environment for Concrete) class of the ground, as shown in Table 9. ... See full document

... In 2010, an experimental CRCP was built at the USP campus in São Paulo. The idea was to evaluate the slab behavior under a tropical climate, as well as to develop a new technology for bus corridors and stops in Brazil. ... See full document

... shear cycles performed immediately after mixing provide informa- tion regarding the efects of mixing on the rheological behavior of the material, Figure 1 [9]. In Figure 1, each red point marked on the curve ... See full document

... REGIS [15] presented an experimental study where he pro- posed some modiications to a computational program in order to include hollow circular cross sections in the analysis of[r] ... See full document

... In 1985, Mario Franco (1985) studied again how to obtain the limit values of the stability coeicient for buildings with more than three loors inding values ranging close to 0.6 in str[r] ... See full document

... This work deals with numerical modeling of the mechanical behavior of steel-iber-reinforced concrete beams using a constitutive model based on.. damage mechanics.[r] ... See full document

... In order to obtain an equation that represents the results related to the medium and maximum bond stress according to the concrete strength and the diameter of the bar, for Brazilian m[r] ... See full document

... We are now releasing the October 2016 issue of the IBRACON Structures and Materials Journal (Vol- ume 9 Number 5, October 2016). This issue brings eight articles on concrete structures and materials. ... See full document

... From the linear interval (stress x strain) the elasticity modulus and the Poisson ratio were obtained, admitting as the linear interval values from 0.5 MPa to 30% of the average failur[r] ... See full document

... However, the design codes adopt a ixed set of partial safety fac- tors that are applied to all structures present in the implementation scope of the code. This assumption makes that diferent types of structural elements ... See full document

... A tied-arch strut and tie model consistent with the peak measured loads and based on the procedure proposed by Wight & Parra- Montesinos [9], was slightly modiied in order to estimate the ef- fective strength ... See full document

... The study indicated a clear necessity to relection on the subject, since there is no concern, or even, a lack of knowledge by the interviewed professionals regarding the care and proced[r] ... See full document

... mortar and concrete samples, corresponds to the established Bra- zilian standard technical norm, ASTM D5298 [7], on the subject of paper ilter practice, which considers suction values between the range of 30 to 30.000 ... See full document

... Recycling is seen as an alternative in trying to remove from the en- vironment the waste produced daily by our society. In Brazil, about 54.38 million tons per year of municipal solid waste are produced [2]. However, a ... See full document

... Table 9 presents the theoretical results for shear resistance ac- cording to the codes ACI 318 [3], EUROCODE 2 [4] and NBR 6118 [5] and the experimental results obtained from tests of the six pre- stressed beams, ... See full document

... the safety aspect. According to Bastos [6], in addition to the transmission of vertical loads to the foundation elements, the pillars are part of the brac- ing system responsible for ensuring the overall stability of the ... See full document

... The fourth issue of volume nine of the IBRACON Structures and Materials Journal (Volume 9 Num- ber 4, August 2016) is now released. The issue begins with a global stability analysis of a reinforced concrete ... See full document