Citas bibligráficas
Inocente, G., (2021). Análisis y diseño de un puente en arco atirantado de tablero inferior [Pontificia Universidad Católica del Perú]. http://hdl.handle.net/20.500.12404/19913
Inocente, G., Análisis y diseño de un puente en arco atirantado de tablero inferior []. PE: Pontificia Universidad Católica del Perú; 2021. http://hdl.handle.net/20.500.12404/19913
@mastersthesis{renati/538269,
title = "Análisis y diseño de un puente en arco atirantado de tablero inferior",
author = "Inocente Cipriano, Godolfredo",
publisher = "Pontificia Universidad Católica del Perú",
year = "2021"
}
The design of a Lower Deck Tied Arch Bridge is of great importance in our country, since it allows to cover obstacles without the need for intermediate supports, has low maintenance costs compared to continuous bridges with intermediate supports and most importantly prevents losses of human lives by not exposing its structure in the river bed. The objective of this thesis is to present the general behavior of the bridge, análisis and design procedure of each element of the superstructure of a Lower Deck Tied Arch Bridge. In particular, the design of a Lower Deck Tied Arch Bridge with a span of 65 m and 4 traffic lines is presented, determining recommendations of the elements and connections, which serves as a consultation for the conception of this type of bridge. The study begins with the general behavior of the bridge, experience of the collapsed Topará bridge and some specific considerations of the elements of the bridge, such as the arrangement of hangers, breakage of hangers, effects of geometric nonlinearity, types of bracing and connections. In the predimensioning part, the initial geometry of the bridge is determined to perform the analysis based on bibliographic references and experiences in this type of tied arch bridge. The analysis of the Lower Deck Tied Arch Bridge is performed for permanent and variable loads. The seismic analysis is performed by means of a spectral modal analysis and the influence of the vertical component of the earthquake is studied. The geometric nonlinear analysis is also studied to determine the effect of large tensile or compression forces on the structure. Finally, the design of the elements and connections of the Lower Deck Tied Arch Bridge is developed, establishing a procedure to make the design more efficient and faster. The design is made of the box beam, arch, hangers and their connection, diaphragm beam, bracing beam, deck and bridge support. The annex presents the design structure drawings. The analysis and design of this type of tied arch bridge is based on the MTC Bridge Manual and AASHTO LRFD.
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