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Tying systems: the tensile force on peripheral ties - the values of q1 and Q2

Eurocode 2 part 1-1: Design of concrete structures   9.10.2.2 (2)

The peripheral tie should be capable of resisting a tensile force:

Ftie,per = liq1   ≥ Q2 (9.15)

where:

Ftie,per
tie force (here: tension)
li
length of the end-span.

Recommendation

The recommended value of q1 is 10 kN/m, of Q2 is 70 kN.

National choice

q1
Q2
...
[kN/m]
[kN]
...