[PDF] Top 20 Rev. IBRACON Estrut. Mater. vol.8 número2

... cutting, the lateral surfaces of the specimens were sealed with sil- icone rubber in order to ensure one-dimensional water transport. The amounts of water absorbed by capillary action by the bricks were measured using ... See full document

... trafic direction pictured in Figure 7, named scenario 1, is the most frequent scenario for one carriageway typical bridge with two traf- ic lanes centered along its axis; most of the heavy vehicles pass along the ... See full document

... Numerical integration for stresses and internal forces used 3x3 Gauss integration points for concrete and 2x2 for the reinforcement. Figure 8 shows the center slab displacements under loading. Good agreement is ... See full document

... Thus, among the possibilities that can be attributed to the inlu - ence of outward eccentricities on the connection strength, it was found that for large outward eccentricitie[r] ... See full document

... Figure 8 presents en- velops of the design moments for the different load cases and the lexural strength of the bridge’s ...Figure 8, Vehicle 04 (max) and (min) presents the lexural strength of the ... See full document

... slabs, the contribution to the stiffness of the links slab-columns and transverse lexural stiffness, compensate the increase in ver- tical load, helping signiicantly to the overall stability of the build- ing. Similar ... See full document

... Figure 8 demonstrate that the wastes with thermal treatment generated higher modulus results, with a less accentuated reduction as the substitution con- centration ... See full document

... ment consisted of 5 mm diameter hoops placed every 100mm at column mid-length and spaced every 50mm near column ends as illustrated in Figure 3. Concrete cover of 25 mm followed prescrip- tions in Brazilian Code NBR ... See full document

... We are publishing the fourth issue of the eighth volume of the IBRACON Structures and Materials Journal. In this issue, the irst of eight articles presents interaction curves for concrete-encased com- posite ... See full document

... It was prepared in a planetary, vertical-shaft concrete mixer (CIBI). Initially the equipment was moistened with water and the excess was removed with a cloth. Then, dry ine and coarse aggregates were thrown, and mixed ... See full document

... Moreover, the natural frequencies and modal shapes, which were based on the properties of the elements assigned to the structure, were obtained from the numerical model performed, via [r] ... See full document

... A Seção 4.2.4 não deixa claro se os procedimentos são váli- dos para estrutura em construção (ou nova) com problemas de conformidade ou para estruturas existentes, e omite o fato que a[r] ... See full document

... Although the example does not presents the cylinder tests results, the compressive strength values obtained from 8 cores produced much smaller results (f c, max = 19,1 MPa) than the values specifi ed in design. The ... See full document

... de um trecho da introdução e do Flowchart 1 da norma), e justii - cam o uso do critério adotado na Seção 4.2.4 tendo em vista que, nos casos de não conformidade em estruturas ainda em c[r] ... See full document

... excerpt from the introduction and Flowchart 1 of the standard), and justify the use of the criteria adopted in Section 4.2.4 with a view that in cases of non-compliance in structures u[r] ... See full document

... We are publishing the fourth issue of the eighth volume of the IBRACON Structures and Materials Journal. In this issue, the irst of eight articles presents interaction curves for concrete-encased com- posite ... See full document

... Figures 8 and 9, a comparison is presented between design charts drawn for concretes of class up to C50 and for concrete class C90, respectively (both for the rectangular section called ... See full document

... Weng and Yen [19] investigated the diferences between the approaches of code ACI 318 [20] and AISC/LRFD [16] for the design of composite steel–concrete columns fully encased with concrete and evaluated how their results ... See full document

... In general, the smooth models with lower compressive strength in the illed region showed slippage 2 or 3 times greater at rupture than the relative slip at the interface of the models[r] ... See full document

... Among the processes that reduce the durability of reinforced con- crete structures, reinforcement’s corrosion is mentioned as the ma- jor cause. The corrosion process produces the concrete cracking, cover spalling, loss ... See full document