Applied Statics and Strength of Materials (6th Edition)
6th Edition
ISBN: 9780133840544
Author: George F. Limbrunner, Craig D'Allaird, Leonard Spiegel
Publisher: PEARSON
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Textbook Question
Chapter 19, Problem 19.27SP
In Problem 19.26, use a
fillet weld, change L to 9 in., and find the allowable tensile load as governed by the welds.
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3.) The diagram below shows a 5.5m long double angle brace which is connected by
6mm welding connection. The length of weld shown in the picture is 300 mm on the
top and 100 mm on the bottom. The 2-L127x 89x6.4 are 300W steel and long leg
back-to-back. The braces are to be welded to a 12 mm 350W steel gusset plate.
Determine the factored tensile capacity of the angles. Any intermediate connections
that are required should also be specified.
740 kN
-12 mm Gusset Plate
Find. The weld sizé W for the welted.join .shawai
figure
T=2 Nimっ
below
where aaill =3.MPag Tall=1.5 Mfa
F=500 N
..in.
D = l00 mm 2
6.
=300M m
%3D
Ans: h=9.1 mm
4s0.707t A
TO
@ab ending
Q3 (a) What are the methods used to obtain a good weld when welding steel when the carbon content is high? b Find the
appropriate length of the weld joint shown in the figure if the force is equal to (60000lb) and the operating stress
value is (60ksi) and the size of the weld is (1/4in).
Chapter 19 Solutions
Applied Statics and Strength of Materials (6th Edition)
Ch. 19 - Prob. 19.1PCh. 19 - Rework Problem 19.1 assuming a bearing-type...Ch. 19 - Rework Problem 19.1 assuming a bearing-type...Ch. 19 - Compute the allowable tensile load for the...Ch. 19 - Rework Problem 19.4 assuming a bearing-type...Ch. 19 - Rework Problem 19.4 assuming that the bolts are 34...Ch. 19 - Select the number and arrangement of 34 in....Ch. 19 - Calculate the allowable tensile load for the...Ch. 19 - In the connection shown, 14 in. side and end...Ch. 19 - Design the fillet welds parallel to the applied...
Ch. 19 - A fillet weld between two steel plates...Ch. 19 - Design an end connection using longitudinal welds...Ch. 19 - Calculate the allowable tensile load for the butt...Ch. 19 - Calculate the allowable tensile load for the lap...Ch. 19 - Calculate the allowable tensile load for the butt...Ch. 19 - Rework Problem 19.10 assuming that both plates are...Ch. 19 - Rework Problem 19.12 assuming that the angle is an...Ch. 19 - Two ASTM A36 steel plates, each 12 in. by 12 in. ,...Ch. 19 - Rework Problem 19.20 changing the fasteners to 34...Ch. 19 - Calculate the minimum main plate thickness for the...Ch. 19 - A roof truss tension member is made up of 2L6412...Ch. 19 - Rework Problem 19.23 changing the fasteners to six...Ch. 19 - Determine the allowable tensile load that can be...Ch. 19 - The welded connection shown is subjected to an...Ch. 19 - In Problem 19.26, use a 38 in. fillet weld, change...
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- Example 27.2. A 100 mm x 10 mm plate is to be 150 mm x 10 mm by the fillet welding on three sides. The size of the weld is 6 mm. Find out the necessary over lap of the plate, for full strength of the joint. Take allowable tensile stress in plate equal to 150 N/mm and allowable stress in weld as 110 N/mm. welded to another platearrow_forward8. Design the length of weld (L) in the connection below to develop the full tensile capacity of the plate. Use E70 electrodes and 1/4" side fillet welds. The material is ASTM A36 Steel and the allowable axial tensile stress is 22,000 psi. (show all your work) "L" PL 1/2" PL 3/8" x 6" Parrow_forwardProblem 14.3.A A 4 × 4 x 2-in. angle of A36 steel is to be welded to a plate with E 70 XX electrodes to develop the full tensile strength of the angle. Using %-in. fillet welds, compute the design lengths for the welds on the two sides of the angle, assuming development of tension on the full cross sec- tion of the angle. A=3.75 inch2 L1= 10.94" L2 = 5.09" IF only connected leg, L=7.7"; 4.75 each sidearrow_forward
- 4. A steel cylindrical vessel 2m in diameter has a wall thickness of 20 mm. the longitudinal join of material is welded with a tensile strength (UTS) of 130 MPa and the plate material has a UTS of 200 MPa. The vessel has a working pressure of 0.6 MPa. Calculate (a) the efficiency of the weld (b) the stress at the welded seam (c) safety factor of the vessel.arrow_forwardDetermine the length of the weld run for a plate of size 120 mm wide and 15 mm thick to be welded to another plate by means of 1. A single transverse weld; and 2. Double parallel fillet welds when the joint is subjected to variable loads. (hint: From Table 10.6, we find that the stress concentration factor for transverse weld is 1.5 and for parallel fillet welds is 2.7). A Barrow_forward(1) What are the methods used to obtain a good weld when welding steel when the carbon content is high? b) Find the appropriate size and length for the weld joint shown in the figure if the strength is equal to (70000Ib) and the allowable shear stress value is 40ksi and the weld rib dimension is (1/4in)arrow_forward
- a. Show how the extent of the surfacing weld is indicated between the vertical centerlines in the following illustration.arrow_forwardDetermine the fillet weld size required if #70 electrodes are used.arrow_forwardUsing SMAW process, E70 electrodes and an A572 steel. Determine the length of the side fillet welds for the full capacity the 125x100x10mm angle tension member as shown below. Assume that the member is subjected to repeated stress variations making any connection eccentricity undesirable. Check the block shear strength of the member. Assume that the WT chord has sufficient strength to develop the weld strengths and the thickness of its web is 12mm. Use U = 0.87 for class use and LRFD Method onlyarrow_forward
- 5. A steel cylindrical air receiver with 5 feet diameter and pressure load of 180 psi, design stress of 9500 psi maximum. The pressure vessel is to be provided with a 1.5 in diameter drain valve installed at the bottom of the vessel and a safety pressure relief valve is installed either at the topmost or at the side with a pop-out rating of 200 psi. Assume a 100% weld joint efficiency. The lap welding tensile strength is 65,000 psi. Determine the bursting pressure of this air receiver. psiarrow_forward7) For double side parallel fillet weld subjected to an external force 100 kN. The weld has throat thickness of 5 mm and the measured shear stress is found to be 100 MPa. From the above given information find out the length of the welded joint desigN? O 100 mm 50 mm 25 mm 10 mmarrow_forward8.6 A welded joint, as shown in Fig. 8.77, is subjected to an eccentric load of 2500 N. Find the size of the weld, if the maximum shear stress in the weld is not to excecd SO N/mm?. (6.4 mm) 2500 N 150arrow_forward
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