[PDF] Top 20 Rev. IBRACON Estrut. Mater. vol.1 número2

... The rubber used in this work, which is showed in Figure 1, was sieved and used the part that passed in the sieve opening of 0.8mm. The grading curve of the aggregates can be seen in Figure 2. The mix proportion by ... See full document

... Referring to a concrete block wall without overlays under axial com- pression, the equivalent elastic modulus of the whole wall can be obtained by considering the series association of blocks and mortar layers, i.e. two ... See full document

... Equations (8) and (9) are identical to equations (1) and (2), aspect that allows concluding that both procedures showed before lead to the same expression for the total equilibrating moment in any direction. In ... See full document

... Once the intended workability was reached, four cylindrical speci- mens with 10cm (diameter) by 20cm (height) were molded for each produced mix, according to the procedures of NBR 5738/03 – Concrete – Procedure for ... See full document

... According to NBR 6118:2003 [1], “pile caps are volume structures used to transfer to the pile the loads of the superstructure for the foundation “, in other words, all the external dimensions have the same order ... See full document

... The low strength/weight ratio of concrete when compared to that of steel is a disadvantage in construction. To improve this ratio, the speciic gravity of concrete can be reduced or its strength increased. In the last few ... See full document

... Three stationary sectional models of a typical cable-stayed bridge were covered with artiicial rivulets having geometric scale of 1:1 identiied as M1, M2 and M3. The models represent the corrosion ... See full document

... Deposition of the saline particles is stronger in the irst hun- dred meters away from coast and decreases with the distance from the sea. The deposition processes is caused mainly by the gravitational effects and by the ... See full document

... Table 1 lists the packages and classes used in the applet and a summary of the functionality of each class. For more information about the code, you should visit the http://www.lem.ep.usp.br/mem - ... See full document

... (Editor, UFRGS, Porto Alegre, RS, Brazil) • José Luiz Antunes de Oliveira e Sousa (Editor, UNICAMP, Campinas, SP, Brazil) • Luiz Carlos Pinto da Silva Filho (Editor, UFRGS, Porto[r] ... See full document

... To estimate the normal forces in the columns it was used the characteristic curve of the concrete from axial compression ex- perimental tests of the concrete specimens and the modulus of elasticity of the steel bars ... See full document

... and 1; and (ii) plastic rotations at the member ends due to permanent strain after steel bar ...(igure 1), considering damage variables at the member ends (di and dj), is presented by Álvares [15], ... See full document

... Figure 1) and to avoid brittle failure due to concrete crushing without steel yielding (curve c in Figure ...Figure 1) and hence elastic analysis with mo- ment redistribution or even plastic analysis can be ... See full document

... (Editor, UFRGS, Porto Alegre, RS, Brazil) • José Luiz Antunes de Oliveira e Sousa (Editor, UNICAMP, Campinas, SP, Brazil) • Luiz Carlos Pinto da Silva Filho (Editor, UFRGS, Porto[r] ... See full document

... realizability a ratio 4:1 lime-marl/limestone is proposed. However, increasing the pure limestone contend eventually leads to a “lower melting” eutectic. The lime-marl and of course the limestone itself will be ... See full document

... the mortar, ideal to obtain concrete with adequate for the application consistency and cohesion has been made. This adjustment of the concrete mortar content was made on concrete with 100% natural sand, and the ideal ... See full document

... The partial reliability factor method is presently mostly used for the design and review of a structure from the standpoint of ultimate states. This method is used especially for its simplicity and the ease of obtaining ... See full document

... This paper aims to contribute to decisions concerning the use of ine materials, responsible for the segregation resistance of self-compacting con- crete (SCC). In this study, samples of SCC were prepared with ly ash, a ... See full document

... An adapted strut and tie method was proposed in this study in order to make the compatibility of the behavior model proposed by Canha [2] for the socket foundation with the model of the precast column base presented in ... See full document

... The Brazilian standard ABNT NBR 15200:2004 [1] is under revi- sion and the European standard Eurocode [2] is the main refe- rence standard. Since some omissions from the 2004 version of ABNT NBR 15200 will now be ... See full document