2-1. The steel framework is used to support the reinforced stone concrete slab that is used for an office. The slab is 200 mm thick. Sketch the loading that acts along members BE and FED. Take a = 2 m, b = 5 m. Hint: See Tables 1.2 and 1.4. B

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Chapter1: Tension, Compression, And Shear
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Problem 1.3.23P: ,3-23 A 200-lb trap door (AD) is supported by a strut (BC) which is pin connected to the door at B...
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2-1. The steel framework is used to support the
reinforced stone concrete slab that is used for an office.
The slab is 200 mm thick. Sketch the loading that acts
along members BE and FED. Take a = 2 m, b = 5 m.
Hint: See Tables 1.2 and 1.4.
B
8
E
D
Transcribed Image Text:2-1. The steel framework is used to support the reinforced stone concrete slab that is used for an office. The slab is 200 mm thick. Sketch the loading that acts along members BE and FED. Take a = 2 m, b = 5 m. Hint: See Tables 1.2 and 1.4. B 8 E D
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
units
Masonry, normal weight units
Plywood
Steel, cold-drawn
Wood, Douglas Fir
Wood, Southern Pine
Wood, spruce
lb/ft³
170
108
144
63
110
100
120
105
135
36
492
34
37
29
kN/m³
27
17.0
22.6
9.9
17.3
15.7
18.9
16.5
21.2
5.7
77.3
5.3
5.8
4.5
*Minimum Densities for Design Loads from Materials. Reproduced
with permission from American Society of Civil Engineers Minimum
Design Loads for Buildings and Other Structures, ASCE/SEI 7-16.
Copies of this standard may be purchased from ASCE at www.asce.
org/publications.
TABLE 1.4 Minimum Live Loads*
Occupancy or Use
Assembly areas and theaters
Fixed seats
Movable seats
Garages (passenger cars only)
Office buildings
Lobbies
Offices
Storage warehouse
Light
Heavy
Live Load
kN/m²
lb/ft²
60
100
40
100
50
125
250
2.87
4.79
1.92
4.79
2.40
6.00
11.97
Occupancy or Use
Residential
Dwellings (one- and two-family)
Hotels and multifamily houses
Private rooms and corridors
Public rooms and corridors
Schools
Classrooms
First-floor corridors
Corridors above first floor
Live Load
lb/ft²
40
40
100
40
100
80
kN/m²
1.92
1.92
4.79
1.92
4.79
3.83
*Minimum Live Loads. Reproduced with permission from American Society of Civil Engineers Minimum Design Loads for Buildings and Other Structures,
ASCE/SEI 7-16, American Society of Civil Engineers.
Transcribed Image Text: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 units Masonry, normal weight units Plywood Steel, cold-drawn Wood, Douglas Fir Wood, Southern Pine Wood, spruce lb/ft³ 170 108 144 63 110 100 120 105 135 36 492 34 37 29 kN/m³ 27 17.0 22.6 9.9 17.3 15.7 18.9 16.5 21.2 5.7 77.3 5.3 5.8 4.5 *Minimum Densities for Design Loads from Materials. Reproduced with permission from American Society of Civil Engineers Minimum Design Loads for Buildings and Other Structures, ASCE/SEI 7-16. Copies of this standard may be purchased from ASCE at www.asce. org/publications. TABLE 1.4 Minimum Live Loads* Occupancy or Use Assembly areas and theaters Fixed seats Movable seats Garages (passenger cars only) Office buildings Lobbies Offices Storage warehouse Light Heavy Live Load kN/m² lb/ft² 60 100 40 100 50 125 250 2.87 4.79 1.92 4.79 2.40 6.00 11.97 Occupancy or Use Residential Dwellings (one- and two-family) Hotels and multifamily houses Private rooms and corridors Public rooms and corridors Schools Classrooms First-floor corridors Corridors above first floor Live Load lb/ft² 40 40 100 40 100 80 kN/m² 1.92 1.92 4.79 1.92 4.79 3.83 *Minimum Live Loads. Reproduced with permission from American Society of Civil Engineers Minimum Design Loads for Buildings and Other Structures, ASCE/SEI 7-16, American Society of Civil Engineers.
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