Bundle: Steel Design, Loose-leaf Version, 6th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
6th Edition
ISBN: 9781337761505
Author: William T. Segui
Publisher: Cengage Learning
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Question
Chapter 7, Problem 7.11.8P
To determine
The design of welded connection to resist the available strength of the tension member using LRFD method.
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A 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0.a) Determine the design tensile strength of the section based on yielding of the gross area.b) Determine the critical net area of the connection shown.
Topic:Welded Connection - Civil Engineering -Steel Design
*Use latest NSCP/NSCP 2015 formula to solve this problem
*Please use hand written to solve this problem
A tension member consists of a double angle section with long legs back to back. The angles are attached to a 9.5 mm thick gusset plate. Fu = 400 MPa Fy = 248 MPa for angular section. Fw = 480 MPa for 8 mm fillet weld. Reduction factor U = 0.80
Prop. of One Angle L 125m x 75m x 12.7 m
A= 2419 mm2 y=44.45 mm
Questions:
a) Compute the design strength capacity of one angle.
b) Compute the base metal shear strength (gusset plate) per unit length.
c) Compute the length L1 and L2.
The truss below is pin connected at A and E, and is acted on by the forces shown.
E
A
D
B
Identify all of the ZERO-FORCE MEMBERS by checking the boxes below (if there are
none, leave all boxes unchecked):
BF
AF
BC
BH
CD
EG
-GH
AB
CH
DG
DH
DE
-FH
Chapter 7 Solutions
Bundle: Steel Design, Loose-leaf Version, 6th + Mindtap Engineering, 1 Term (6 Months) Printed Access Card
Ch. 7 - Prob. 7.3.1PCh. 7 - Prob. 7.3.2PCh. 7 - Prob. 7.4.1PCh. 7 - Prob. 7.4.2PCh. 7 - Prob. 7.4.3PCh. 7 - Prob. 7.4.4PCh. 7 - Prob. 7.4.5PCh. 7 - Prob. 7.4.6PCh. 7 - Prob. 7.6.1PCh. 7 - Prob. 7.6.2P
Ch. 7 - Prob. 7.6.3PCh. 7 - Prob. 7.6.4PCh. 7 - Prob. 7.6.5PCh. 7 - Prob. 7.6.6PCh. 7 - Prob. 7.7.1PCh. 7 - Prob. 7.7.2PCh. 7 - Prob. 7.7.3PCh. 7 - Prob. 7.8.1PCh. 7 - Determine the adequacy of the hanger connection in...Ch. 7 - Prob. 7.9.1PCh. 7 - Prob. 7.9.2PCh. 7 - Prob. 7.9.3PCh. 7 - Prob. 7.9.4PCh. 7 - Prob. 7.9.5PCh. 7 - Prob. 7.11.1PCh. 7 - Prob. 7.11.2PCh. 7 - Prob. 7.11.3PCh. 7 - Prob. 7.11.4PCh. 7 - Prob. 7.11.5PCh. 7 - Prob. 7.11.6PCh. 7 - Prob. 7.11.7PCh. 7 - Prob. 7.11.8PCh. 7 - Prob. 7.11.9PCh. 7 - Prob. 7.11.10P
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Similar questions
- A 15" x 3/8" bar of A572 Gr. 50 steel is used as a tension member. It is connected to a gusset plate with 7/8-in diameter bolts as shown in the figure. Use s = 2.0 and g = 3.0. Determine the critical net area of the connection shown. Determine the design tensile strength of the section based on yielding of the gross area.arrow_forwardConsidering the following steel connection. The plates in Pink are 9mm steel plates. The middle plate (Yellow) is 18mm thick. The width of the plate is 100mm. The maximum allowable tension stresses on any of the plates is 100Mpa in Gross Area Yielding and 150 Mpa for Net Area or Tension Rupture. The bolts used are 8mm in diameter, the holes are 10mm in diameter, no need to add 1.6mm. The bolts allow a maximum of 280 Mpa of shear. Determine the maximum allowable "P" of the connection in kN.arrow_forwardGroup A bolts are used in the connection in Figure . Use an elastic analysis and determine the required size if slip is permitted. The 10kip load consists of 2.5 kips of service dead load and 7.5 kips of service live load. All structural steel is A36. a. Use LRFD. b. Use ASD.arrow_forward
- Design a welded connection for an MC9x23.9 of A572 Grade 50 steel connected to a 3/8-inch-thick gusset plate (Figure 6). The gusset plate is A36 steel. Show your results on a sketch, complete with dimensions. = 3/8" Figure 6 D = 48 k L = 120 k MC9 x 23.9 a. Use LRFD. b. Use ASD.arrow_forwardA tie member of a roof truss consists of 21SA 100 x 75 x 8 mm. The angles are connected by fillet weld as shown in figure on either side of a 10 mm gusset plate and the member is subjected to a factored pull of 450 kN. Take size of weld as 6 mm and connections are made in workshop. [Use Fe410 grade of steel] 75 m L. C. = 31mm 16A (100 x 75 x 8) mm Choose the nearest correct statements: L1 = 390.5 mm L1 = 195.25 mm Correct Option L2 = 87.75 mm Correct Option L2 = 175.5 mmarrow_forward2. See connection figure below. The rivets is 7/8 in. in diameter. According to the rivert supplier, the allowable stresses for the material are t = 15 ksi and on = 32 ksi. What is the allowable load of the connection? L4 x 3-1/2 W18 x 86 W24 x 117 Girder Beamarrow_forward
- A bolted connection shown consists of two plates 300mm x12mm connected by 4 - 22 mm diameter bolts. Edge distances = 75mm dhole for tensile and rupture = db + 3 mm dhole for bearing strength for Lc = db + 1.5 mm Fy = 248 Mpa Fu = 400 Mpa Fn = 330 Mpa Use LRFD design method. Determine the design strength due to the gross yielding of plates. (kN)arrow_forwardThe connection shown is subjected to a tensile force of P = 100 kN. The allowable shear stress for the bolts is 100 MPa. Assume each bolt supports an equal portion of the load. Determine the required diameter of the bolts. a. 20.6 mm b. 25.2 mm c.35.7 mm d.17.8 mm choose letter of correct answerarrow_forward1. A welded connection is in equilibrium under the action of the four forces shown. Knowing that FA = 8 kN and FB = 16 kN, determine the magnitudes of the other two forces. Fg B C FC 13 4 A FDarrow_forward
- For the bracket connection shown in the figure, determine the design strength in kips of the connectionarrow_forwardDetermine the adequacy of the hanger connection in Figure P7.8-2 Account for prying action. a. Use LRFD. b. Use ASD.arrow_forwardUse an elastic analysis and determine the maximum load per inch of weld.arrow_forward
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