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Pile Code

Shaft

Wall Thickness

Helix A

Helix B

Helix Spacing

Type 1

73 mm

5.5 mm

9.5 mm × 305 mm

n/a

n/a

Type 2

89 mm

6.4 mm

12.7 mm × 356 mm

n/a

n/a

Type 3

114 mm

6.3 mm

12.7 mm × 406 mm

n/a

n/a

Type 4

114 mm

6.3 mm

12.7 mm × 406 mm

12.7 mm × 406 mm

1 219 mm

Type 1 Helix Allowable Compressive and Tension Loads for the Product in Cohesive and Cohesionless Soils

Applied Torque

Allowable Loads

Compression

Tension

N-m

ft-lb

kN

lb

kN

lb

678

500

8.0

1 791

7.8

752

356

1 000

15.9

3 581

15.6

3 505

2 034

1 500

23.9

5 372

23.4

5 257

2 712

2 000

31.9

7 162

31.2

7 010

3 390

2 500

39.8

8 953

39.0

8 762

4 067

3 000

47.8

10 744

46.8

10 514

4 745

3 500

55.8

12 534

54.6

12 267

5 423

4 000

63.7

14 325

62.4

14 019

6 101

4 500

71.7

16 115

70.2

15 771

6 779

5 000

79.7

17 906

78.0

17 524

7 457

5 500

87.6

19 697

85.7

19 276

8 135

6 000

95.6

21 487

93.5

21 029

8 813

6 500

103.5

23 278

101.3

22 781

9 491

7 000

111.5

25 068

109.1

24 533

10 169

7 500

119.5

26 859

116.9

26 286

10 846

8 000

127.4

28 650

124.7

28 038

Type 2 Helix Allowable Compressive and Tension Loads for the Product in Cohesive and Cohesionless Soils

Applied Torque

Allowable Loads

Compression

Tension

N-m

ft-lb

kN

lb

kN

lb

678

500

7.8

763

5.7

1 271

356

000

15.7

3 525

11.3

2 543

2 034

500

23.5

5 288

17.0

3 814

2 712

2 000

31.4

7 050

22.6

5 085

3 390

2 500

39.2

8 813

28.3

6 356

4 067

3 000

47.0

10 575

33.9

7 628

4 745

3 500

54.9

12 338

39.6

8 899

5 423

4 000

62.7

14 100

45.2

10 170

6 101

4 500

70.6

15 863

50.9

11 442

6 779

5 000

78.4

17 625

56.6

12 713

7 457

5 500

86.2

19 388

62.2

13 984

8 135

6 000

94.1

21 150

67.9

15 256

8 813

6 500

101.9

22 913

73.5

16 527

9 491

7 000

109.8

24 675

79.2

17 798

10 169

7 500

117.6

26 438

84.8

19 069

10 846

8 000

125.4

28 200

90.5

20 341

11 524

8 500

133.3

29 963

96.1

21 612

12 202

9 000

141.1

31 725

101.8

22 883

12 880

9 500

149.0

33 488

107.4

24 155

13 558

10 000

156.8

35 250

113.1

25 426

Type 3 Helix Allowable Compressive and Tension Loads for the Product in Cohesive and Cohesionless Soils

Applied Torque

Allowable Loads

Compression

Tension

N-m

ft-lb

kN

lb

kN

lb

678

500

6.5

472

5.8

312

356

000

13.1

2 944

11.7

2 625

2 034

500

19.6

4 416

17.5

3 937

2 712

2 000

26.2

5 888

23.4

5 249

3 390

2 500

32.7

7 360

29.2

6 562

4 067

3 000

39.3

8 832

35.0

7 874

4 745

3 500

45.8

10 304

40.9

9 186

5 423

4 000

52.4

11 775

46.7

10 499

6 101

4 500

57.7

12 968

52.5

11 811

6 779

5 000

62.2

13 975

58.4

13 123

7 457

5 500

66.6

14 981

64.2

14 436

8 135

6 000

71.1

15 988

70.1

15 748

8 813

6 500

75.6

16 995

75.9

17 060

9 491

7 000

80.1

18 001

81.7

18 373

10 169

7 500

84.6

19 008

87.6

19 685

10 846

8 000

89.0

20 014

93.4

20 997

11 524

8 500

93.5

21 021

99.2

22 309

12 202

9 000

98.0

22 027

105.1

23 622

12 880

9 500

102.5

23 034

110.9

24 934

13 558

10 000

106.9

24 041

116.8

26 246

14 236

10 500

111.4

25 047

122.6

27 559

14 914

11 000

115.9

26 054

128.4

28 871

15 592

11 500

120.4

27 060

134.3

30 183

16 270

12 000

124.8

28 067

140.1

31 496

16 948

12 500

129.3

29 074

145.9

32 808

17 625

13 000

133.8

30 080

151.8

34 120

18 303

13 500

138.3

31 087

157.6

35 433

18 981

14 000

142.8

32 093

163.5

36 745

19 659

14 500

147.2

33 100

169.3

38 057

20 337

15 000

151.7

34 106

175.1

39 370

21 015

15 500

156.2

35 113

181.0

40 682

21 693

16 000

160.7

36 120

186.8

41 994

22 371

16 500

165.1

37 126

192.6

43 307

23 049

17 000

169.6

38 133

198.5

44 619

23 727

17 500

174.1

39 139

204.3

45 931

Type 4 Helix Allowable Compressive and Tension Loads for the Product in Cohesive and Cohesionless Soils

Applied Torque

Allowable Loads

Compression

Tension

N-m

ft-lb

kN

lb

kN

lb

678

500

6.0

1 345

6.8

1 527

356

000

12.0

2 690

13.6

3 054

2 034

500

17.9

4 035

20.4

4 581

2 712

2 000

23.9

5 380

27.2

6 108

3 390

2 500

29.9

6 725

34.0

7 635

4 067

3 000

35.9

8 070

40.8

9 162

4 745

3 500

41.9

9 414

47.5

10 689

5 423

4 000

47.9

10 759

54.3

12 216

6 101

4 500

53.8

12 104

61.1

13 743

6 779

5 000

59.8

13 449

67.9

15 270

7 457

5 500

65.8

14 794

74.7

16 797

8 135

6 000

71.8

16 139

81.5

18 324

8 813

6 500

77.8

17 484

88.3

19 851

9 491

7 000

82.9

18 637

92.2

20 732

10 169

7 500

86.3

19 409

94.7

21 296

10 846

8 000

89.8

20 181

97.2

21 861

11 524

8 500

93.2

20 952

99.8

22 425

12 202

9 000

96.6

21 724

102.3

22 989

12 880

9 500

100.1

22 496

104.8

23 554

13 558

10 000

103.5

23 267

107.3

24 118

14 236

10 500

106.9

24 039

109.8

24 682

14 914

11 000

110.4

24 811

112.3

25 246

15 592

11 500

113.8

25 582

114.8

25 811

16 270

12 000

117.2

26 354

117.3

26 375

16 948

12 500

120.7

27 126

119.8

26 939

17 625

13 000

124.1

27 897

122.3

27 503

18 303

13 500

127.5

28 669

124.9

28 068

18 981

14 000

131.0

29 441

127.4

28 632

19 659

14 500

134.4

30 212

129.9

29 196

20 337

15 000

137.8

30 984

132.4

29 761

21 015

15 500

141.3

31 756

134.9

30 325

21 693

16 000

144.7

32 527

137.4

30 889

22 371

16 500

148.1

33 299

139.9

31 453

23 049

17 000

151.6

34 071

142.4

32 018

23 727

17 500

155.0

34 842

144.9

32 582

24 404

18 000

158.4

35 614

147.4

33 146