TABLE 1.2 Minimum Densities for DesignLoads from MaterialsAluminumConcrete, cinderConcrete, stoneClay, dryClay, dampSand and gravel, dry looseSand and gravel, wetMasonry, lightweight concreteMasonry, normal weight unitsSteel, cold-drawnWood, Douglas FirWood, Southern PineWood, spruceAN/w2712022.612315.718.916521.25.77235.35.845TABLE 1.3 Minimum Design Dead LoadsFrom Paris and WallsWood 1x platedWoodplateredWoodst 51x32mm, plateredCindere perLightweight complaineCeilingsAucuntic ShondSpendedahandAngle5.549.5720170058:240.41904TABLE 1.4 Minimum Live LoadeOorspany or UseAmelyFixed seatsand atGarage (can only)OfficedayLebbinLove Load4.791924.79VESTSOccupancy or UseDwelings (one-and two-mily)Hotels and many boPrivate and donCamposFint Coor comidonComidon abfint floorLive LeadKN/²1904.393.33 1. The girder in the figure is made from a uniform beam and reinforcedat its center with cover plates where its moment of inertia is larger.The 4-m end segments have a moment of inertia of 1 = 280(106) mm²,and the center portion has a moment of inertia of l' = 560(106) mm².Determine the displacement at the center C. Take E = 200 GPa. Thereactions are given.40 KN 50KN40 kNI=I=280(106) mm 560(106) mm4, 280(106) mm44m2m 2 m 4 mreal beamB

Given:- Total length of beam=12 mE=200 GPaIAD=IEB=280×106 mm4IDC=ICE=560×106 mm4 To find:-…

1. The girder in the figure is made from a uniform beam and reinforced at its center with cover plates where its moment of inertia is larger. The 4-m end segments have a moment of inertia of 1 = 280 (10) mm², and the center portion has a moment of inertia of l' = 560(10) mm². Determine the displacement at the center C. Take E = 200 GPa. The reactions are given.

1. The girder in the figure is made from a uniform beam and reinforced at its center with cover plates where its moment of inertia is larger. The 4-m end segments have a moment of inertia of 1 = 280 (10) mm², and the center portion has a moment of inertia of l' = 560(10) mm². Determine the displacement at the center C. Take E = 200 GPa. The reactions are given.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

TABLE 1.2 Minimum Densities for Design
Loads from Materials
Aluminum
Concrete, cinder
Concrete, stone
Clay, dry
Clay, damp
Sand and gravel, dry loose
Sand and gravel, wet
Masonry, lightweight concrete
Masonry, normal weight units
Steel, cold-drawn
Wood, Douglas Fir
Wood, Southern Pine
Wood, spruce
AN/w
27
120
22.6
123
15.7
18.9
165
21.2
5.7
723
5.3
5.8
45
TABLE 1.3 Minimum Design Dead Loads
From Paris and Walls
Wood 1x plated
Woodplatered
Woodst 51x32mm, platered
Cindere per
Lightweight complaine
Ceilings
Aucuntic Shond
Spendedahand
Angle
5.54
9.57
2017
005
8:24
0.41
904
TABLE 1.4 Minimum Live Loade
Oorspany or Use
Amely
Fixed seats
and at
Garage (can only)
Officeday
Lebbin
Love Load
4.79
192
4.79
VEST
S
Occupancy or Use
Dwelings (one-and two-mily)
Hotels and many bo
Private and don
Campos
Fint Coor comidon
Comidon abfint floor
Live Lead
KN/²
190
4.39
3.33

1. The girder in the figure is made from a uniform beam and reinforced
at its center with cover plates where its moment of inertia is larger.
The 4-m end segments have a moment of inertia of 1 = 280(106) mm²,
and the center portion has a moment of inertia of l' = 560(106) mm².
Determine the displacement at the center C. Take E = 200 GPa. The
reactions are given.
40 KN 50KN
40 kN
I=
I=
280(106) mm 560(106) mm4, 280(106) mm4
4m2m 2 m 4 m
real beam
B

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