
GEOLOGY
方法
地層
物性指標(biāo)
fak(kPa)
標(biāo)貫(動探)法
fak(kPa)
靜力觸探法
fak(kPa)
建議值
fak(kPa)
壓縮模量
Es1-2
(MPa)
(1)層素填土
未經(jīng)處理不可做為地基土使用。
(1-1)層雜填土
(2)層粉土
160
140
130
130
7.5
(3)層中細(xì)砂
—
150
170
150
16
(3-1)層粉土
—
150
140
140
7
(4)層粉土
180
170
150
150
7
(4-1)層粉細(xì)砂
—
170
220
170
19
(5)層粉土
260
250
250
220
10
(5-1)層粉細(xì)砂
—
320
350
250
25
(5-2)層粉質(zhì)粘土
300
270
300
270
7.5
(6)層細(xì)砂
—
300
350
300
30
(7)層粉土
270
280
350
270
12
(7-1)層粉細(xì)砂
—
280
300
280
30
(8)層細(xì)砂
—
300
330
300
30
(8-1)層粉土
260
280
—
280
15
(9)層粉土
270
330
—
280
15
(9-1)層粉質(zhì)粘土
290
350
—
280
15
(9-2)層粉細(xì)砂
—
350
—
320
35
(10)層中粗砂
—
400
—
380
40
(10-1)粉質(zhì)粘土
300
360
—
300
18
(10-2)粉土
260
360
—
300
18
CFG樁側(cè)阻力特征值與樁的端阻力特征值建議表
層序
巖性
側(cè)阻力特征值
qsik(kPa)
端阻力特征值
qp(kPa)
(1)
素填土
0
(1-1)
雜填土
0
(2)
粉土
20
(3)
細(xì)中砂
22
(3-1)
粉土
20
(4)
粉土
25
(5)
粉土
30
(5-1)
粉細(xì)砂
35
(5-2)
粉質(zhì)粘土
35
(6)
細(xì)砂
37
500
(7)
粉土
35
450
(7-1)
粉細(xì)砂
37
500
(8)
細(xì)砂
40
500
(8-1)
粉土
35
450
(9)
粉土
37
460
(9-1)
粉質(zhì)黏土
40
500
(9-2)
粉細(xì)砂
40
500
(10)
粗砂
45
550
(10-1)
粉質(zhì)粘土
40
500
(10-2)
粉土
40
500
單樁豎向極限承載力計算參數(shù)(泥漿護(hù)壁成孔)
層序及巖性
極限側(cè)阻
力標(biāo)準(zhǔn)值
qsk(kPa)
后注漿側(cè)阻
力增強(qiáng)系數(shù)
βsi
極限端阻
力標(biāo)準(zhǔn)值
qpk(kPa)
后注漿端阻力增強(qiáng)系數(shù)
βp
(1)層素填土
0
(1-1)層雜填土
0
(2)層粉土
40
1.5
(3)層中細(xì)砂
45
1.7
(3-1)層粉土
42
1.5
(4)層粉土
60
1.5
(4-1)層粉細(xì)砂
50
1.7
(5)層粉土
80
1.5
(5-1)層粉細(xì)砂
70
1.7
(5-2)層粉質(zhì)粘土
80
1.5
(6)層細(xì)砂
85
1.7
1400
2.5
(7)層粉土
80
1.5
1100
2.3
(7-1)層粉細(xì)砂
85
1.7
1400
2.5
(8)層細(xì)砂
85
1.7
1700
2.5
(8-1)層粉土
80
1.5
1100
2.3
(9)層粉土
85
1.5
1200
2.3
(9-1)層粉質(zhì)粘土
90
1.5
1600
2.3
(9-2)層粉細(xì)砂
85
1.7
1700
2.5
(10)層中粗砂
95
1.7
2000
2.6
(10-1)粉質(zhì)粘土
90
1.5
1600
2.3
(10-2)粉土
90
1.5
1200
2.3