What is it about?
This paper presents the results of tests carried out during the construction of a block of flats with reinforced concrete slab floors in Madrid, Spain, using the shoring, clearing and striking process. Loads on shores were recorded during the different construction stages of floor slabs 1 to 6. The experimental results were used to analyse load transmission between slabs and shores during the construction of the building. The results of the analysis showed that slab–shore load transmission differed according to the position of the span analysed, and also that variations in the construction process had a significant effect on the expected loads. The paper includes the evolving calculation developed using a non-linear numerical model to simulate the building’s behaviour during the different construction phases and variations in concrete properties with time. Experimental and numerical finite-element model results are compared with those obtained by applying simplified methods that consider the real stiffness of the shoring.
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Why is it important?
In this work the calibration of the numerical model developed by Alvarado et al. (2010) has been made. It is also the first time that the new simplified procedure of Calderón et al. (2011) has been applied to a real building and the results compared with experimental measurements.
Perspectives
This paper has described experimental measurements carried out on a building under construction in Madrid. The readings obtained provided information on how loads are transmitted between slabs and shores in the course of a SCS process. The building was simulated using a non-linear evolving FEM calculation that considered the construction process used and the evolution of concrete characteristics over time. The FEM results showed a satisfactory fit with the readings obtained.
Isabel Gasch
Universitat Politecnica de Valencia
Read the Original
This page is a summary of: Construction loads using a shoring–clearing–striking process, Proceedings of the Institution of Civil Engineers - Structures and Buildings, April 2014, ICE Publishing,
DOI: 10.1680/stbu.12.00006.
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