Select the lightest double angle compression member to carry 110 kips dead load and 130 kips live load. The effective length KL = 20 ft. Assume the backs of the angles are separated by a f-in. gusset plate. Indicate the orientation of the angle legs (i.e., short or long legs back-to- back). If angles are selected for all three steels, indicate the economical choice if relative costs are A36 (1.0), Fv = 50 (1.07), and Fv = 60 (1.10). Use (a) A36 steel; (b) Fv = 50 ksi; (c) Fy = 60 ksi. %3|

Select the lightest double angle compression member to carry 110 kips dead load and 130 kips live load. The effective length KL = 20 ft. Assume the backs of the angles are separated by a f-in. gusset plate. Indicate the orientation of the angle legs (i.e., short or long legs back-to- back). If angles are selected for all three steels, indicate the economical choice if relative costs are A36 (1.0), Fv = 50 (1.07), and Fv = 60 (1.10). Use (a) A36 steel; (b) Fv = 50 ksi; (c) Fy = 60 ksi. %3|

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A plate is used as a tension member, to carry a deadload = 300 KN and live load of 260 KN. Steel used is A36, Fy= 248 MPa, Fu = 400 MPa. If the width of the tension plate is 210 mm, determine: a) The thickness of the plate based on NSCP 2015 ASD, bult used is M20.------ b) The thickness of plate based on NSCP 2015 LRFD. Bolt used is M20.-------- I M20 bolts- 210 mm -Tension Plate
J 6 The cast iron bearing seat in the picture is bolted to the steel beam of the ceiling bracket and supports the gravity load. Use M20 coarse thread ISO class 8.8 bolts with a thickness of 3.4 mm The steel washers are placed under the bolt head and nut. The flange of this bracket is 20 mm thick, the shaft The elastic modulus of the bearing is 135 GPa. (a) Assuming this is a permanent joint and the fasteners are lubricated when assembled, find the required wrench torque. (b) If the gravity load is 15 kN, try to find the load factor n of the design.
From the Truss member shown, design all the tension members for ASD and LRFD, if the connection for the angle bars are shown. Use A36 STEEL. 100 mm 150 mm 2.5 m B SERVICE DEAD LOAD =300 KN SERVICE LIVE LOAD = 200 KN 2 m 2 m 2 m 2 m
A W14X120 is used as a tension member in atruss. The flanges of the member are connected to a gusset plate by 3/4 inch boltas shown below. Use A36 steel with Fy-36 ksi and Fu=58 ksi Determine the Yielding Capacity of the section based on LRFD (kips) Determine the Tensile Rupture capacity of the section based on LRFD Determine the Demand to Governing Capacity Ratio (based on yielding and rupture only) if the Demand load carried by the section are DL=200 kips LL=400 kips use LRFD Properties and Dimension Ag=35.30 in^2 x = 6.24 in ry= 3.74 in d=14.5 in tf=0.94 in bf=14.7 in tw=0.59 in k=1.54 d=14.5 Y k1=1.5 bf=14.7 tf-0.94 X -tw=0.59 H
Determine the smallest allowable diameter for a circular cross-sectional area of members BD, BE and CE of the truss shown. The working normal stresses are 2000 psi in tension and 1200 psi in compression. (A reduced stress in compression is specified to reduce the danger of buckling.) 12 t 40 kips
A built-up section was made using PL414x12mm thk plates as shown in the figure below. It is pinned at both ends with additional support against weak axis at middle point. Assume A50 steel. PL414x12 DO Section W16x67 L x-axis a) Calculate moment of inertia at both axes in mm*. b) Determine the design compressive strength in kN if L-3m. c) Find the design compressive strength in kN if L=18m. Elevation y-axis
Q.2. The rigid bar AB, atrached to two verti cal rods as shown in Fig (e), is horizontal before the lead p is applied. If the load pe so kN, ditermine its Vertical mmovement. Aluminum Steel A300 mm 200 G A500 mm R-70 GN -3m- Fig (2)
SOLVE FOR1 HR
Q3-1 (Trusses), For the Figure shown below; 1 1. Find the forces in the members AB and AD of the truss and indicate whether it is in tension or 3m compression. 10KN 2. Read the following paragraph carefully then answer if it's TRUE or FALSE: The force in the member BC equal to zero? 3. Read the following paragraph carefully then CHOOSE THE CORRECT English Fried Safe 10KN 15 AN 3m 20 kN
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
3.6-5 Choose a pipe to be used as a tension member to resist a service dead load of 10 kips and a service live load of 25 kips. The ends will be connected by welding completely around the circumference of the pipe. The length is 8 feet. a. Use LRFD. b. Use ASD.
Five M20 8.8/ bolts are used in the connection between a beam and a column. Both sides of the cleat plate are welded to column using fillet weld (Manual metal arc AS4855 B-E43XX) with size of 5 mm. The design force transferred from beam to column is 300 kN. The cleat plate has thickness of 12 mm, fy = 300 MPa, and fü = 360 MPa. Determine the unit stress sustained by the weld