[PDF] Top 20 Rev. IBRACON Estrut. Mater. vol.6 número1

... Estamos iniciando o sexto volume da Revista IBRACON de Estruturas e Materiais (Volume 6 Número 1 – Fevereiro de 2013). Nesta edição oito artigos abordando temas interessantes de mate- riais e estruturas de ... See full document

... Model 6 required approximately 120 hours of processing for loadcases located at 30m span, while approximately 40 hours were required for the loadcases on 26m ...Model 6 showed an error of ... See full document

... We are now opening the volume six of the IBRACON Structures and Materials Journal (Volume 6 Number 1 – February 2013). In this issue, eight articles approaching interesting topics on concrete structures and ... See full document

... In all three pile caps analyzed compressive struts were developed with equal divisions of the stress low at the bottom of the column’s cross-section in direction to the piles, as shown in Figure 8. In addition, in all ... See full document

... The procedure proposed by Tsai and Wu [18] was to increase the number of terms in Hill’s [6] failure criterion equation for a better approximation of the experimental data obtained for several ma- terials. The ... See full document

... However, there are some particular situations where the assumption formulated in developing the method does not apply or applies with greater errors. As examples of these exceptional cases, Vasconcelos [6] quotes: ... See full document

... It was designed and built a platform for dynamic tests consisted of a reinforced concrete slab supported by steel beams and columns, for experimental studies with people walking, danci[r] ... See full document

... tions were still completely compressed at the end of SLS evalua- tion. It was observed that, according to both Brazilian and French norms, most lower and central ibers were still compressed (-1), dif- ferently from the ... See full document

... The beams in each series were cast simultaneously from the same batch of concrete, and consolidated with internal vibrators. Table [1] presents a summary of the properties of the steel rein- forcement (transverse ... See full document

... Test data was compared to results obtained from the matrix analysis program Sistema Computacional TQS v11.0 and from the inite element model program SAP2000 v14.2.2.. Slab behavior was [r] ... See full document

... The μ-CT is an imaging technique that allows for the gathering of three-dimensional data on the internal microstructure of materials (such as density, pore structure and porosity), which does not re- quire the special ... See full document

... The results of the tests on the compressive strength of the small walls in relation to the gross area (f pp ) are shown in Table 6. Note that no signiicant change in the compressive strength of the small walls was ... See full document

... In order to verify the numerical model an experimental program was carried on. It consisted on the testing of two series of hol- low core slabs. Each series had three specimens. In series 1, the hollow core slabs were ... See full document

... ABNT NBR 7480 (1996) [2]. In Figure 3, the dimensions of the joists are illustrated according to the ABNT NBR 14862 (2002) [3]. Joists are indicated by a code TR, followed by ive digits: the irst two represent the height ... See full document

... Four pastes with water-cementitious materials ratio of 0.47 and dif- ferent contents of replacement cement mass were designated as follows: reference paste with cement and water (RF-PC); paste with 10% cement replacement ... See full document

... We are now releasing the June 2013 issue of IBRACON Structures and Materials Journal (Volume 6, Number 3). This issue contains eight articles on remarkable topics of concrete materials and struc- tures. The ... See full document

... Parametric study conducted by Horowitz and Marques[6] shows that η values varies between 0.44 and 0.75, and is high- ly dependent on the ratio of beam to column section heights, thus not being convenient for ... See full document

... Digital image processing is a technique which allows detecting dis- continuities in the image, i.e, points where sudden changes in the in- tensity level of the pixels occur. Therefore, detecting and measuring cracks on ... See full document

... Prassianakis & Prassianakis [4] evaluated the ability of non-destruc- tive testing to determine the integrity of concrete specimens, and they concluded that this methodology is feasible for blocks evaluation. Hamid ... See full document

... Adhesive mortars consist of cement, aggregate and other addi- tives. The most common industrially produced additives are cel- lulose ethers (HEC e MHEC) and latex polymers (PVA). Each per- form speciic functions in fresh ... See full document