3) Two ASTM A992 (HSLA) steel plates are joined with two splice plates and twelve 30 mm diameter ASTM A490X high strength bolts. The main plates are 300 mm wide and 30 mm thick; the splice plates are 240 mm wide and 12 mm thick. Calculate the joint can support; report the result in kN. Calculate the joint efficiency; report the result in percent. (d = diameter + 3 mm)
3) Two ASTM A992 (HSLA) steel plates are joined with two splice plates and twelve 30 mm diameter ASTM A490X high strength bolts. The main plates are 300 mm wide and 30 mm thick; the splice plates are 240 mm wide and 12 mm thick. Calculate the joint can support; report the result in kN. Calculate the joint efficiency; report the result in percent. (d = diameter + 3 mm)
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Table B1: Materials Properties at Room Temperature (U.S. Customary units)
Material
Steels
ASTM A36
ASTM A992 (HSLA)
AISI 80X (HSLA)
AISI 1020, ammaled
AISI 1020, cold rolled
AISI 1040, maled
AISI 1040, cold rolled
AISI 4140, ammaled
AISI 8620, annealed
Steel:
ASTM A36
ASTM A992 (HSLA)
AISI SOX (HSLA)
AISI 1020, ammaled
AISI 1020, cold rolled
AISI 1040, ammaled
AISI 1040, cold rolled
AISI 4140, ammaled
AISI 8620, ammaled
ratio
Specific Yield Ultimate Ultimato Ultimate Young's Shaar Thermal Poisson's
weight strength strength strength strength modulus modas expansion
(tension) (tension) (compression)
coefficient
GUCE
(shear)
Cys
GUTA
ASTM A36 low-
carbon steel
Y
(Tb./im.")
ASTM A992 high-
strength low-alloy
steel
0.284
0.284
0.284
0.284
0.284
0.294
0.294
0.284
0.284
Ors
(ksi)
36
50
7.85
7.85
Table B2: Materials Properties at Room Temperature (SI units)
Demity
Yield Ultimate
Ultinuato
strength
(tension) (tension) (compression)
7.85
7.85
7.85
7.85
7.85
7.85
7.85
*985488%
36
Grs
(MPa)
250
50
345
80
43
51
60
61
56
Cys
(MPa)
65
250
345
550
295
330
350
415
420
385
ASTM A307 low-carbon steel
ASTM A325N, threads in the shear plane
ASTM A325X, threads excluded from the shear plane
ASTM A490N, threads in the shear plane
ASTM A490X, threads excluded from the shear plane
58
65
100
57
65
75
90
95
78
Table B3: Materials Properties of Bolts in Bolted Joints
Bolt Specification
GUTS
(MPa)
OUTS
(ksi)
58
400
450
690
395
450
Table B4: Materials Properties of Plates in Bolted Joints or Welded Joints
Plate Material
320
620
655
540
GUCE
(MPa)
OUTS
(MPa)
400
448
OF-all
(ksi)
87
97.5
Tall
(ksi)
12.0
24.0
30.0
30.0
37.5
E
G
(10 pu) (10 pu) (10.in/
(in "F))
Ultimate Young's
strength modulus
(shear)
(MPa)
OF-all
(MPa)
600
672
30
30
30
30
30
30
30
30
30
OG-all
(ksi)
21.6
30
555555555
12
12
11.6
12
12
12
12
12
-@*********
1-6 *********
12
og-all
(MPa)
150
207
d
6.5
6.5
6.5
6.8
6.8
6.3
6.3
6.8
Thermal Poisson's
modalus expansion ratio
coefficient
P
(10 mm
11.7
11.7
11.7
11.7
11.7
11.3
11.3
12.3
11.1
Tall
(MPa)
82.5
165
207
207
260
32.5
Oxall
(ksi)
29
0.25
0.25
0.28
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.28
0.25
0.25
0.25
0.25
0.25
0.25
ON-all
(MPa)
200
224

Transcribed Image Text:3) Two ASTM A992 (HSLA) steel plates are joined with two splice plates and twelve 30
mm diameter ASTM A490X high strength bolts. The main plates are 300 mm wide and
30 mm thick; the splice plates are 240 mm wide and 12 mm thick. Calculate the joint
can support; report the result in kN. Calculate the joint efficiency; report the result in
percent. (dH = diameter + 3 mm)
P
¢¢¢
99 4
P
P
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