Mathematical Problems in Engineering / 2013 / Article / Tab 1

Research Article

Durability Environmental Regionalization for Concrete Structures

Table 1

Regionalization standard.

RegionsPrimary regionalization criteriaSecondary regionalization criteria

IIa ≤ −10°C; : −4.8~8°C; RH7 ≥ 50%
Ib

IIIIa : −10~0°C; : 8~14°C; RH7 ≥ 50% and  km
IIb and  km
IIc and  km

IIIIIIa : 0~10°C; : 14~20°C; RH7 ≥ 50% and  km
IIIb and  km
IIIc and  km

IVIVa > 10°C; : 20~25°C; RH7 80% and  km
IVb and  km
IVc and  km

VV ≤ −10°C; : 2~9°C; RH7 ≤ 50%

VIVI : −10~0°C; : 10~14°C; RH7 ≤ 50%

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