Underpinning Helical Screw Piles China Factory
Round Shaft Helical Piles
The Specifications for Round Shaft Helical Piles | |||||
Shaft Size(inch) |
Wall Thick(inch) |
Helix Thick(inch) |
Lead Length(ft) |
Helix Size(inch) |
Extension Length(ft) |
2.875 OD. |
0.262 |
3/8 or 1/2
|
3ft/5ft/7ft/10ft |
8/10/12/14 |
3ft/5ft/7ft/10ft |
3.00 OD. |
0.238 |
3/8 or 1/2
|
3ft/5ft/7ft/10ft |
8/10/12/14 |
3ft/5ft/7ft/10ft |
3.50 OD. |
0.254/0.300 |
3/8 or 1/2
|
3ft/5ft/7ft/10ft |
8/10/12/14 |
3ft/5ft/7ft/10ft |
4.50 OD. |
0.290/0.337 |
3/8 or 1/2
|
5ft/7ft/10ft/12ft |
8/10/12/14 |
3ft/5ft/7ft/10ft |
5.50 OD. |
0.362 |
3/8 or 1/2
|
5ft/7ft/10ft/12ft |
8/10/12/14 |
3ft/5ft/7ft/10ft |
6.625 OD. |
0.562 |
3/8 or 1/2
|
5ft/7ft/10ft/12ft |
8/10/12/14 |
3ft/5ft/7ft/10ft |
Square Shaft Helical Piles
The Specifications for Square Helical Piles | |||
Helical Pier Type |
Size inches(mm) |
Torque Rating ft-Ib(N-m) |
Ultimate Capacity kip(kn) |
|
SS5 Square Shaft |
1.50 (38.1)
|
5500 (7,500) |
55 (245) |
|
SS150 Square Shaft |
1.50 (38.1)
|
7000 (9500) |
70 (312) |
|
SS175 Square Shaft |
1.75 (44.5)
|
10000 (13,600) |
100 (445) |
|
SS200 Square Shaft |
2.00 (50.8)
|
15000 (20,300) |
150 (668) |
|
SS225 Square Shaft |
2.25 (57.2)
|
20000 (27,100) |
200 (890) |
|
278 Hollow Shaft |
2.875 (73.0)
|
5500 (7,500) |
60 (267) |
|
HS Hollow Shaft |
3.50 (88.9)
|
11000 (14,900) |
77 (343) |
Notes: Other sizes are available upon request.
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