South Dakota Administrative Rules
Title 61 - Department of Public Safety
Article 61:08 - Boilers
Chapter 61:08:05 - Safety requirements
Section 61:08:05:17.03 - Strength of rivets in shear
When computing the ultimate strength of rivets in shear, the following values in pounds per square inch of the cross-sectional area of the rivet shank shall be used:
PSIG |
|
Iron rivets in single shear |
38,000 |
Iron rivets in double shear |
76,000 |
Steel rivets in single shear |
44,000 |
Steel rivets in double shear |
88,000 |
When the diameter of the rivet holes in the longitudinal joints of a boiler is not known, the diameter and cross-sectional area of rivets, after driving, may be selected from Table 1, or may be ascertained by cutting out one rivet in the body of the joint.
TABLE 1 - SIZES OF RIVETS BASED ON PLATE THICKNESS
Thickness of plate inches |
1/4 |
9/32 |
5/16 |
11/32 |
3/8 |
13/32 |
Diameter of rivet after driving inches |
11/16 |
11/16 |
3/4 |
3/4 |
13/16 |
13/16 |
Thickness of plate inches |
7/16 |
15/32 |
1/2 |
9/16 |
5/8 |
|
Diameter of rivet after driving inches |
15/16 |
15/16 |
15/160 |
1-1/16 |
1-1/16 |
General Authority: SDCL 34-29A-16.
Law Implemented: SDCL 34-29A-16, 34-29A-22, 34-29A-24.