Design aids for EC2: design of concrete structures : design by Deutscher Beton-Verein
By Deutscher Beton-Verein
Eurocode 2 is the foremost rfile for destiny structural layout in concrete all through Europe. to exploit the code successfully, structural engineers desire a variety of aids within the type of circulation charts, layout charts and simplified tactics. This publication offers a majority of these, and is written with the authority of collaborative paintings by means of participants of the Concrete Societies of the united kingdom, the Netherlands and Germany. The practise of the booklet has been funded less than the dash eu neighborhood programme for innovation and know-how move.
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Extra info for Design aids for EC2: design of concrete structures : design aids for ENV 1992-1-1, Eurocode 2, Part 1
3(3)). 4). 1 (ENV 1991–2–1)) Areas of dwelling, offices, etc. 3 Alternate spans carrying the design variable load. 4 Two adjacent spans carrying the design variable load. g. rooms in residential buildings and houses; rooms and wards in hospitals; bedrooms in hotels and hostels; kitchens and toilets. Category B Office areas Category C Areas where people may congregate (with the exception of areas defined under categories A, B, D and E) C1 areas with tables, etc. g. areas in schools, cafés, restaurants, dining halls, reading rooms, receptions, etc.
Chemically aggressive environments are classified in ISO 9690. 1 1 2a 2b 3 4a 4b 5a 5b 5c Minimum Reinforce 15 20 25 40 40 40 25 30 40 cover ment (mm) Prestressin 25 30 35 50 50 50 35 40 50 g steel NOTES 1. For slab elements, a reduction of 5 mm may be made for exposure classes 2–5. 2. A reduction of 5 mm may be made where concrete of strength class C40/50 and above is used for reinforced concrete in exposure classes 2a–5b and for prestressed concrete in exposure classes 1–5b. However, the minimum cover should never be less than that for class 1.
5, multiply by 1. 5/γc ultimate compressive strain in the concrete in ‰ DESIGN AIDS FOR EC2 For the boxed values, apply the values given in the appropriate NAD. 2 Reinforcing steel Material properties of reinforcing steel (Eurocode 2, part 1 (ENV 1992–1–1: 1993) and ENV 10080: 1994) ftk (N/mm2) Steel name ftd (N/mm2) fyk (N/mm2) B500A 525 455 500 B500B 540 470 500 NOTES 1. 2k/γs εuk = characteristic elongation of reinforcing steel at maximum load in % (ft/fy)k = characteristic ratio of tensile strength to yield stress Es = modulus of elasticity of reinforcing steel Es=2*105 N/mm2 Density=7850 kg/m3.