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http://dx.doi.org/10.12989/acc.2016.4.3.173

Numerical study of a new constructive sequence for movable scaffolding system (MSS) application  

Teran, Jose Ramon Diaz de (Departamento de Estruturas, Universidade de Sao Paulo)
Haach, Vladimir Guilherme (Departamento de Estruturas, Universidade de Sao Paulo)
Turmo, Jose (Departamento de Ingenieria de la Construccion, Universidad Politecnica de Cataluna)
Jorquera, Juan Jose (Departamento de Ingenieria Minera, Geologica y Cartografica, Universidad Politecnica de Cartagena)
Publication Information
Advances in concrete construction / v.4, no.3, 2016 , pp. 173-194 More about this Journal
Abstract
This paper consists in a study of a new contructive sequence of road viaducts with Movable Scaffolding System (MSS) using numerical tools based on finite element method (FEM). Traditional and new sequences are being used in Spain to build viaducts with MSS. The new sequence permits an easier construction of one span per week but implies some other issues related to the need of two prestressing stages per span. In order to improve the efficiency of the new sequence by reducing the number of prestressing stages per span, two solutions are suggested in this study. Results show that the best solution is to introduce the 100% of the prestressing force at the self-supporting core in order to improve the road viaduct construction with movable scaffolding system by reducing execution time without increasing economic costs.
Keywords
movable scaffolding system; span by span casting; loop joint; critical path; transverse deflection; prestressing stage; self-supporting core;
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Times Cited By KSCI : 8  (Citation Analysis)
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