10. Refer to Figure III-1 attached. What would be the required slab thickness according to the AASHTO 1972 design guide for the following conditions: Daily ESAL=2,000, 20-year design period, design working stress ft = 600 psi, and a modulus of subgrade reaction of 200 psi/in?a. 6.5b. 9.5c. 10.5d. 11.5 Figure III-1Design Chart for Rigid Pavements, P2,5TOTAL EQUIVALENT 18-IP SINGLE AXLE LOAD APPLICATIONS, THOUSANDS-2,00010,000--000's2,000-ftgDAILY EQUIVALENT 18-IP SINGLE AXLE LOAD APPLICATIONS(20-YEAR ANALYSIS PER100)WORK ING STRESS INMODULUS OF SUBGRADE REACTION200ġ200-8CONCRETETHICKNESSLINCHES10118LINEPIVOT

Answered: 10. Refer to Figure III-1 attached.…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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10. Refer to Figure III-1 attached. What would be the required slab thickness according to the AASHTO
1972 design guide for the following conditions: Daily ESAL=2,000, 20-year design period, design
working stress ft = 600 psi, and a modulus of subgrade reaction of 200 psi/in?
a. 6.5
b. 9.5
c. 10.5
d. 11.5

Figure III-1
Design Chart for Rigid Pavements, P
2,5
TOTAL EQUIVALENT 18-IP SINGLE AXLE LOAD APPLICATIONS, THOUSANDS
-2,000
10,000-
-000's
2,000-
ft
g
DAILY EQUIVALENT 18-IP SINGLE AXLE LOAD APPLICATIONS
(20-YEAR ANALYSIS PER100)
WORK ING STRESS IN
MODULUS OF SUBGRADE REACTION
200
ġ
200
-8
CONCRETE
THICKNESS
L
INCHES
10
11
8
LINE
PIVOT

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