The New York Rapid-transit Subway
Forfatter: Willialm Barclay Parsons
År: 1908
Forlag: The Institution
Sted: London
Sider: 135
UDK: 624.19
With An Abstract Of The Discussion Upon The Paper.
By Permission of the Council. Excerpt Minutes of Proceedings of The Institute of Civil Engineers. Vol. clxxiii. Session 1907-1908. Part iii
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44 PARSONS ON NEW YORK RAPID-TRANSIT SUBWAY. [Minutes of
Ultimate
Load.
Lbs.
10,800
9,100
10,330
10,380
11,340
11,350
11,230
12,440
14,920
11,050
11,920
11,120
10,690
12,740
12,430
15,650
16,570
15,780
Table VIII.
Area of
At First Crack.
287- Os. 000 000 000 800 100 400 500 000 800 600 000 000 500 000 400 300 000 500
Stres Sqi Inc. St ‘08 ‘&+ ‘+ ‘83 ‘18 TZ ‘g+ ‘49 ‘68 ‘st ‘01 ‘It ’98 43 ’48 ’61 ’61 ’L+ 1T
2
A3g X 88889888889888288
[ Stress Squ Inch Cone: AL SICOOO 0N0-OO H• --------------
Permanen Set. Ins. 017 017 021 020 017 020 016 019 020 016 018 019 027 018 020
oo ooooooooooo
a
BS 000NN00 01000000 0000000000.0.100001010000011
Cen Deflec In 0-0 0-0 0-0 4'0 0'0 o-c 0-0 0-0 0-1 0-0 0-0 0-0 0-0 0-0 0-0 0-0 0'0 0-0
bs. 950 000 000 500 100 200 500 800 500 500 000 500 500 000 400 500 100 000
A HrrRRPRrrrR ICo o00 Co 00 100 O No oNN
Steel. Sq. In. 0-422 0-295 0-295 0-574 0-574 0-574 0-422 0-422 0-590 0-422 0-295 0-295 0-574 0-574 0-574 0-422 0-422 0-590
Kind of Reinforcement.
Three g-inch plain rods ..
Six -inch Hennebique rods (water) .
» J-inch » » (air).
Three 4-inch expanded rods (soft)
» » » » (medium) .
» » » » (hard) .
» g-inch twisted rods.....
» >> » 2 with stirrups
» 7-inch corrugated rods.
„g-inch plain rods..........
Six 1-inch Hennebique (water).
» » » (air) . . . .
Three 4-inch expanded rods (soft)
» » », » (medium) .
» » » >, (hard) .
„ g-inch twisted rods . . . .
» „ » » with stirrups
„4-inch corrugated rods ....
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
quot I
sq4uot g