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interesting parts of the design process for the specific case. Namely, time dependent properties of the materials have been considered, and extensive “staged construction” analyses have been carried out to ensure safety in each phase of the complex life of the bridges, while at the same time guaranteeing significant cost savings. Keywords: steel-concrete composite deck, FE analysis, seismic isolation, time-dependent material properties, staged construction 1. INTRODUCTION The two viaducts share the same cross section and statical scheme, while differing

structures (deck and piers) develop only elastic behavior. This papers presents a detailed review of the design process as well as a time journey during construction Keywords:, FE non linear analysis, seismic isolation, time-dependent material properties, staged construction, balanced cantilever bridge 1. INTRODUCTION This bridge is “balanced cantilever girder” type and it is characterized by a central 155m span, with two side symmetric 77.5m spans. The total length of the bridge, including segments at abutments supports, is 312.0m. The deck shows

stage construction in high concrete arch dams. Indian Journal of Science and Technology, 8(14), 1. 22. Pourbakhshian, S, Ghaemian, M and Joghataie, A 2016. Shape optimization of concrete arch dams considering stage construction. Scientia Iranica. Transaction A, Civil Engineering, 23(1), 21. 23. Pourbakhshian, S and Ghaemain, M 2016. Shape optimization of arch dams using sensitivity analysis. KSCE Journal of Civil Engineering, 20(5), 1966-1976. 24. Raphael, JM. Tensile strength of concrete. in ACI Journal Proceedings, pp. 158-165, ACI (March – April 1984). 25. Reh, S

: Proof-of-concept stage. Construction and Building Materials, Vol. 174, pp. 173-189, doi: 10.1016/j.conbuildmat.2018.04.088 Jirásek, M. – Havlásek, P. (2014) Accurate approximations of concrete creep compliance functions based on continuous retardation spectra. Computers & Structures, Vol. 135, pp. 155-168, doi: 10.1016/j.compstruc.2014.01.024 Jonasson, J. E. (1984) Slipform construction – calculation for assessing protection against early freezing . Swedish Cement and Concrete Research Institute, Fo/Research, Stockholm, Sweden. ÖNORM EN 1992-1-1 (2011) Eurocode 2

umar A., K umar S., Guidelines on soft soils – stage construction method , Government of India, Ministry of Railwayws, India, 2005. [25] S zczepański T., Przykłady zastosowań koncepcji parametrów inherentnych w badaniach gruntów spoistych , Geologos, Poznań, 2007. [26] S zymański A., Mechanika gruntów , SGGW, Warszawa, 2007. [27] S zymkowiak I., W itkowska J., P rzybyła M., S ergiel E., K rysiak Ż., Aktualizacja programu ochrony środowiska dla gminy rawicz na lata 2008–2011 z perspektywą na lata 2012–2014 , Biuro Projektowe Abrys, Poznań, 2008. [28] T

standardized structure dividing the life cycle of the partitions into four stages (Product stage, Construction process stage, Use stage and End of life stage) and 16 modules: Product stage (modules A1 Raw material supply to A3 Manufacturing) and Construction process stage (modules A4 Transport and A5 Construction-installation process) are included in this assessment completely. Use stage is represented only by module B4 (Replacement). Environmental impacts in other modules of this stage are considered negligible (B1 Use, B2 Maintenance, B3 Repair), inapplicable (B6

exploitation of these road embankments should use the compressibility parameters of the organic substrate from appropriately carried out laboratory tests and from the developed correlation dependencies. [ 11 ] The example illustrated above ( figure 1 ) shows that only embankments of low height, which exert small loads, can be safely placed on low-strength soils without the need to reinforce the substrate. However, taking into account the high values of settlements, it is necessary in such cases to assume the appropriate method of embankment formation, for example, the staged

Identification on Construction Projects. Journal of Construction Engineering and Management, 132 , pp. 197–205. 10.1061/(ASCE)0733-9364(2006)132:2(197) Carter G. Smith S. D. 2006 Safety Hazard Identification on Construction Projects Journal of Construction Engineering and Management 132 197 205 Chan King, C., Heng, L., & Martin, S. (2012). The use of virtual prototyping for hazard identification in the early design stage. Construction Innovation, 12 , pp. 29–42. 10.1108/14714171211197481 Chan King C. Heng L. Martin S. 2012 The use of virtual prototyping for hazard