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DG/TJ08-61-2010

Settlement of terrain behind the shoring structure is calculated according to the DG/TJ08-61-2010 (Technical code for excavation engineering in Shanghai) and it is suitable for using in soft soils.

Settlement behind the sheeting differs in two parts - main influence area and secondary influenced area.

Maximum settlement δmax is calculated as follows:

where:

δmax

-

maximum settlement

δhm

-

maximum horizontal displacement of structure

The range of settlement x0 is calculated as follows:

where:

x0

-

range of settlement

H

-

depth of excavation

Settlement at each point δ(x) in range of settlement x0 is calculated as follows:

where:

δ(x)

-

settlement at each point within the range of settlement or influenced area

x

-

distance between the calculation point and the edge of the foundation pit

Literature:

DG/TJ08-61-2010 (Technical code for excavation engineering in Shanghai)