Transmission Products (T-1201)

Chance® Helical Round Corner Square Shaft Products

Chance Square Shaft (SS) Helical Product Ratings—Table 2

Uplift/Compression Capacity Limit (2) kip (kN)

Torque Rating ft-lbs (Nm)

Ultimate Tension Strength (1) kip (kN)

Product Series

SS5

5,500 (7 500) 7,000 (9 500) 10,500 (14 200) 16,000 (21 700) 23,000 (31 200)

70 (312) 70 (312) 100 (445) 150 (668) 200 (890)

55 (245) 70 (312) 110 (489) 150 (668) (3) 200 (890) (3)

SS150 SS175 SS200 SS225

(1) Based on Mechanical Strength of Coupling (2) Based on Torque Rating – Uplift/Compression Capacity Limit = Torque Rating x Kt. “Default” Kt for Type SS = 10 ft-1 (33 m-1) (3) Based on Mechanical Strength of Coupling Bolt Higher Compression Capacities Available with Helical Pulldown Micropile

Chance Square Shaft Helical Cross Sections—Figure 1

1.75

1.25

1.50

Y

XY

Y

XY

Y

XY

ANCHORS, FOUNDATION& INSTALLING TOOLS

X

X

X

X

X

X

1.56

1.91

XY

Y

2.27

Y

XY

XY

Y

2.25

2.00

Y

XY

Y

XY

X

X

X

X

2.57

2.93

XY

Y

XY

Y

Page 274 | July 2016