This document contains tables summarizing design values for steel bolted connections using two common methods - Allowable Stress Design (ASD) and Load and Resistance Factor Design (LRFD). The ASD table lists minimum edge distances for bolt sizes and allowable shear and bearing stresses. The LRFD table provides shear and bearing design strengths for various bolt grades using load factors. Both tables provide reference values for engineers to design steel structures using bolted connections according to the appropriate design method standards.

1. Steel Structure
Numerical
By
Engineer
Tayyeb Ullah Azhar

2. Content
 ASD Table
 LRFD Table

3. ASD Table 1
 AISC Minimum Edge Distance (Le min) Nominal bolt /
fasten.
Dia (inch) Le min ) (inch)
½ 7/8
5/8 9/8
¾ 5/4
7/8 3/2
1 7/4
9/8 2
5/4 9/4
Over 5/4 7/4 *db

4. ASD Table 2
 Allowable Working Stress on fast connected
material (ASD Method)
 Load Condition shear on bolt with threads in the
shear plane
A:325 A:490
21 Ksi 28 ksi

5.  Shear on bolts with threads not in the
Shear plane
 Bearing on connected material with one
bolt in the line of force = 1.0 Fu
 Bearing on connected material with two
or more bolt in the line of force = 1.2 Fu
 Fu = Ultimate tensile strength of the plate
A:325 A:490
30 Ksi 40 ksi

6. LRFD Table
LRFD(load and Resistance Factor Design)
Design Strength of bolt
Description Shear strength in
Bearing type connection
A-307 bolts  = 0.75 , Fv = 24 ksi
A-325 bolt threads
include
 = 0.75 , Fv = 48 ksi
A-325 bolt threads
exclude
 = 0.75 , Fv = 60 ksi
A-490 bolt threads
include
 = 0.75 , Fv = 60 ksi
A-490 bolt threads
exclude
 = 0.75 , Fv = 75 ksi
Design Bearing Strength  = 0.75 , Fb = 2.4 FU

7. LRFD Table
LRFD(load and Resistance Factor Design)
Design Strength of bolt
Description Shear strength in
Bearing type connection
A-307 bolts  = 0.75 , Fv = 24 ksi
A-325 bolt threads
include
 = 0.75 , Fv = 48 ksi
A-325 bolt threads
exclude
 = 0.75 , Fv = 60 ksi
A-490 bolt threads
include
 = 0.75 , Fv = 60 ksi
A-490 bolt threads
exclude
 = 0.75 , Fv = 75 ksi
Design Bearing Strength  = 0.75 , Fb = 2.4 FU