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H2020Individual fellowship2019–2021

REUSE · Reusable precast steel-concrete composite floors

Horizon 2020 — Marie Skłodowska-Curie Actions

Duration
2019-05-15 → 2021-06-06
EU contribution
€195,455
Participants
1
Scheme
MSCA-IF-EF-ST

Lines connect the coordinator with its partners.

Results in brief

Reusable precast steel-concrete composite floors

The project addresses the urgent need to drastically reduce CO2 emissions and to manage our natural resources more responsibly. In construction, most of the buildings are usually demolished at the end of their service life, with severe negative consequences to the environment, including generation of waste going to landfill, need to produce new structural components from scratch each time a building needs to be built, therefore increased CO2 emissions, and over-consumption of planet's finite natural resources (e.g. coal). This project proposes novel construction methods, specifically for steel-concrete composite structures, to design buildings that can be dismantled at the end of their service life and all structural components reused in other projects. By adopting this design approach, demolition is avoided, CO2 emissions are drastically reduced since there will be no need to produce new structural components, waste will be minimised, and we will consume our resources more efficiently. Thus, the project benefits society as a result of contributing to more environmentally friendly construction procedures. The overall objectives of the project are 1. To assess the structural behaviour of the proposed novel sustainable construction methods through experimental testing. 2. To perform numerical simulations of the proposed structural details and to exhaustively study all the parameters affecting their design. 3. To study the behaviour of buildings using the proposed technologies. 4. To propose reliable design procedures for both the construction and deconstruction of the proposed composite structures.

Data: CORDIS, © European Union

Project objective

There is an urgent need for sustainable development in modern societies. The construction sector can play an important role in achieving a sustainable environment, since the production of new materials is an energy-intensive process, which is responsible for about 15% of the global CO2 emissions, and buildings are usually demolished at the end of their useful life producing waste. A more sustainable solution is to develop innovative structural solutions that allow for the reuse of building components directly to new projects. In this way, the construction will produce less CO2 emissions, much less waste will go to landfill, and the natural resources of the planet will be used more responsibly. This project proposes a novel way to connect precast concrete slabs with steel sections that offer the advantages of a) off-site fabrication of all components; b) easy and fast installation on the construction site; c) disassembly of the composite floor; and d) direct reuse of all components in new projects. The project will use experimental testing complemented by numerical analyses to develop the proposed novel structural system. The experiments will provide evidence on the physical behaviour and the ultimate failure modes of the proposed system, whereas numerical simulations using advanced mathematical models will be used to study numerous geometrical configurations and generalise the results of the tests. Based on the results of the tests and the simulations, recommendations for the practical design of the proposed system will be proposed.

Original text from CORDIS.

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Data: CORDIS, © European Union