Volume 5, Number 1
              
            
            
              
                February 2012
              
            
            
              
                ISSN: 1983-4195
              
            
            
              
                Cover Photo:
              
            
            
              B
            
            
              urj
            
            
              E
            
            
              l
            
            
              A
            
            
              rab
            
            
              , D
            
            
              ubai
            
            
              
                Courtesy:
              
            
            
              L. C. P. S
            
            
              ilva
            
            
              F
            
            
              ilho
            
            
              ,
            
            
              P
            
            
              orto
            
            
              A
            
            
              legre
            
            
              , RS
            
            
              
                Ibracon Structures
              
            
            
              
                and Materials Journal
              
            
            
              is published bimonthly
            
            
              (February, April, June, August, October
            
            
              and December) by IBRACON.
            
            
              
                IBRACON
              
            
            
              Instituto Brasileiro do Concreto
            
            
              Founded in 1972
            
            
              R. Julieta do Espirito Santo Pinheiro, 68
            
            
              Jardim Olímpia, São Paulo – SP
            
            
              Brasil – 05542-120
            
            
              Phone: +55 11 3735-0202
            
            
              Fax: +55 11 3733-2190
            
            
              
                E-mail:
              
            
            
              arlene@ibracon.org.br
            
            
              
                Website:
              
            
            
              http://www.ibracon.org.br
            
            
              
                Editors
              
            
            
              Américo Campos Filho
            
            
              (Brazil)
            
            
              José Luiz Antunes de O. e Sousa
            
            
              (Brazil)
            
            
              Luiz Carlos Pinto da Silva Filho
            
            
              (Brazil)
            
            
              Romildo Dias Toledo Filho
            
            
              (Brazil)
            
            
              
                Cover design & Layout:
              
            
            
              Ellementto-Arte
            
            
              www.ellementto-arte.com
            
            
              
                
                  Steel fiber reinforced concrete pipes. Part 1:
                
              
            
            
              
                
                  technological analysis of the mechanical behavior
                
              
            
            
              A. D. de Figueiredo, A. de la Fuente, A. Aguado, C. Molins
            
            
              and P. J. Chama Neto
            
            
              
                
                  Simplified damage models applied in the numerical
                
              
            
            
              
                
                  analysis of reinforced concrete structures
                
              
            
            
              J. J. C. PITUBA and M. M. S. LACERDA
            
            
              
                
                  Steel fibre reinforced concrete pipes. Part 2: Numerical
                
              
            
            
              
                
                  model to simulate the crushing test
                
              
            
            
              A. de la Fuente, A. D. de Figueiredo, A. Aguado, C. Molins
            
            
              and P. J. Chama Neto
            
            
              
                
                  Cement-base bearing pads mortar for connections
                
              
            
            
              
                
                  in the precast concrete: study of surface roughness
                
              
            
            
              M. K. EL DEBS and E.K. BELLUCIO
            
            
              
                
                  The influence of low temperature on the evolution of concrete
                
              
            
            
              
                
                  strength
                
              
            
            
              V. CECCONELLO and B. TUTIKIAN
            
            
              
                
                  Reliability of buildings in service limit state for maximum
                
              
            
            
              
                
                  horizontal displacements
                
              
            
            
              A. G. B. CORELHANO,M. R. S. CORRÊA and A. T. BECK
            
            
              
                
                  A variable limit for the instability parameter of wall-frame
                
              
            
            
              
                
                  or core-frame bracing structures
                
              
            
            
              R. J. ELLWANGER
            
            
              
                1
              
            
            
              
                26
              
            
            
              
                12
              
            
            
              
                38
              
            
            
              
                68
              
            
            
              
                84
              
            
            
              
                104