Search Results - "Lopes, Sergio M.R"

Redistribution of moments in reinforced high-strength concrete beams with and without confinement by Lou, Tiejiong, Lopes, Sergio M.R, Lopes, Adelino V

“…Confinement is known to have important influence on ductility of high-strength concrete (HSC) members and it may therefore be anticipated that this parameter…”
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FE modeling of inelastic behavior of reinforced high-strength concrete continuous beams by Lou, Tiejiong, Lopes, Sergio M.R, Lopes, Adelino V

“…A finite element model for predicting the entire nonlinear behavior of reinforced high-strength concrete continuous beams is described. The model is based on…”
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Numerical analysis of behaviour of concrete beams with external FRP tendons by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…► Beams with external CFRP and steel tendons exhibit similar behaviour. ► GFRP tendon beam has lower strength but better ductility than steel tendon beam. ►…”
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Influence of the Composition of the Activator on Mechanical Characteristics of a Geopolymer by Lopes, Adelino V., Lopes, Sergio M.R., Pinto, Isabel

“…Geopolymer materials are characterized by their high durability and low carbon dioxide emissions, when compared with more traditional materials, like concrete…”
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A comprehensive FE model for slender HSC columns under biaxial eccentric loads by Tiejiong Lou, Sergio M.R. Lopes, Adelino V. Lopes, Wei Sun

“…A finite element (FE) model for analyzing slender reinforced high-strength concrete (HSC) columns under biaxial eccentric loading is formulated in terms of the…”
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Experimental Study on the Flexural Behavior of Alkali Activated Fly Ash Mortar Beams by Lopes, Adelino V., Lopes, Sergio M. R., Pinto, Isabel

“…This work aims to study the possibility of using alkaline activated fly ash in structural members. The work, of an experimental nature, focuses on the…”
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Transverse distribution of internal forces in timber–concrete floors under external point and line loads by Monteiro, Sandra R.S., Dias, Alfredo M.P.G., Lopes, Sérgio M.R.

“…•Transversal distribution of concentrated loads in timber–concrete slabs was studied.•Experimental tests in five composite floor specimens were…”
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FE modeling of inelastic behavior of reinforced high-strength concrete continuous beams by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…A finite element model for predicting the entire nonlinear behavior of reinforced high-strengthconcrete continuous beams is described. The model is based on…”
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Redistribution of moments in reinforced high-strength concrete beams with and without confinement by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…Confinement is known to have important influence on ductility of high-strength concrete (HSC) members and it may therefore be anticipated that this parameter…”
Get full text

Theoretical model for the mechanical behavior of prestressed beams under torsion by Lopes, Sérgio M.R., Bernardo, Luís F.A.

“…In this article, a global theoretical model previously developed and validated by the authors for reinforced concrete beams under torsion is reviewed and…”
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On the ductility of RC beam section: A revision and up to date of conclusions by Lopes, Adelino V., Lou, Tiejiong, Lopes, Sergio M.R.

“…In the context of reinforced concrete (RC) structures, standards aim to relate the ductility of these structures to the ductility of the steels used in their…”
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Rational prediction of moment redistribution in continuous concrete beams reinforced with FRP bars by Lou, Tiejiong, Shi, Sensen, Lopes, Sergio M.R., Chen, Bo

“…In continuous fiber reinforced polymer (FRP) reinforced concrete (RC) beams, moment redistribution is typically not allowed in the design owing to the lack of…”
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Effect of bond on flexure of concrete beams prestressed with FRP tendons by Lou, Tiejiong, Liu, Muyu, Lopes, Sergio M.R., Lopes, Adelino V.

“…The objective of this study is to reveal the effect of bond between composite tendons and concrete on the short-term behavior of fiber reinforced polymer (FRP)…”
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Effect of linear transformation on nonlinear behavior of continuous prestressed beams with external FRP cables by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…•Linear transformation of external FRP cables is analyzed.•Secondary moments vary linearly with the cable shift by linear transformation.•Linear transformation…”
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Numerical modeling of externally prestressed steel–concrete composite beams by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…A finite element model to analyze externally prestressed steel–concrete composite beams under short and long-term loads is developed. The nonlinear geometric…”
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Response of continuous concrete beams internally prestressed with unbonded FRP and steel tendons by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…This paper analyzes the global behavior of two-span continuous prestressed concrete beams with internal unbonded fiber reinforced polymer (FRP) and steel…”
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Time-dependent behavior of concrete beams prestressed with bonded AFRP tendons by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…This paper presents a numerical study on the long-term performance of bonded aramid fiber reinforced polymer (AFRP) prestressed concrete beams. A computer…”
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Factors affecting moment redistribution at ultimate in continuous beams prestressed with external CFRP tendons by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…A numerical investigation of redistribution of moments in continuous concrete beams prestressed with external carbon fiber reinforced polymer (CFRP) tendons at…”
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Neutral axis depth and moment redistribution in FRP and steel reinforced concrete continuous beams by Lou, Tiejiong, Lopes, Sergio M.R., Lopes, Adelino V.

“…The neutral axis depth is considered the best parameter for quantifying the moment redistribution in continuous concrete beams, as exemplified in various…”
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Influence of the Composition of the Activator on Mechanical Characteristics of a Geopolymer by Lopes, Adelino V, Lopes, Sergio M.R, Pinto, Isabel

“…Geopolymer materials are characterized by their high durability and low carbon dioxide emissions, when compared with more traditional materials, like concrete…”
Get full text