Table 7 Comparison of parameters of grouted piles.

From: Field study of bearing performance of combined grouted piles in strongly weathered mudstone strata with bored piles

Soil Layer

TS4

TS5

TS6

Average side resistance (kPa)

Survey side resistance (kPa)

Range of changes

Side resistance (kPa)

Side resistance (kPa)

Side resistance (kPa)

Plain fill â‘ 

12.7

12.3

13.7

12.9

7

84.2%

Fine sand â‘£

38.4

41

43.1

40.8

20

104%

Strongly weathered mudstone ⑤1

168.6

169.4

169.3

169.1

100

69.1%

Strongly weathered sandstone ⑤2

168.9

170

170

169.6

90

88.4%