Durability Environmental Regionalization for Concrete Structures

Table 4

Result of durability environmental regionalization for concrete structures in Shenzhen city.

Regions	Weight of durability environmental regionalization indexes				Geographical area
	Surface chloride concentration	Concrete carbonation depth	Ambient temperature	Ambient relative humidity
I	0.3154~0.4250	0.1803~0.2560	0.0154~0.1737	0.0213~0.3125	A narrow distribution along the coastline, mainly in the south of Guangzhou-Shenzhen highway
II	0.2758~0.3239	0.2445~0.3460	0.0758~0.1239	0.0250~0.2375	Central of Bao’an district, northern of nanshan and Futian District, most parts of the Luohu and Yantian district, southern of Longgang district
III	0.1762~0.2618	0.3219~0.4795	0.0758~0.1998	0.0219~0.1843	Mainly in the north of Longda expressway, huiyan Highway, and Shenzhen-Shantou expressway