Using the design chart below. Estimate the SN if W18=10x10^6, R=90%, So=0.35, Mr-10000Psi, APSI=3.Use the chart below.TLOverallstandarddeviation, S.Design serviceability loss, APSI50105.099.90.2991.00.40.50.6 E900.50.11.50.052.02.5803.09 87 6 5 421Example:6.5 5.5 4.5 3.5 2.51.5W18 = 5 x 106R = 95%Design structural number, SNS, = 0.35MR = 5000 Ib/in?APSI = 1.9Solution: SN = 5.0-1.0

Design Structural number(SN) is a parameter of overall structural characteristics, which are…

Using the design chart below. Estimate the SN if W18=10x10^6, R=90%, So=0.35, Mr- 10000Psi, APSI=3. Use the chart below. TL Overall standard deviation, S. TL Design serviceability loss, APSI |50 10 5.0 40 20 99.9 0.2 1.0 99 0.4 0.5 0.6 E 90 0.1 1.5 0.05 2.0 80 70 60 50 2.5 3.0 9 87 6 5 4 3 2 1.5 Example: 6.5 5.5 4.5 3.5 2.5 W18 = 5 x 106 Design structural number, SN %3D R = 95% S, = 0.35 MR = 5000 Ib/in? APSI = 1.9 %3D Solution: SN = 5.0 Reliability, R (%) Estimated total 18-kip-equivalent single-axle load applications, W18 (millions) Effective roadbed soil resilient modulus, Mg (kips/in?) Luli l 1. 1.0 0.5

Using the design chart below. Estimate the SN if W18=10x10^6, R=90%, So=0.35, Mr- 10000Psi, APSI=3. Use the chart below. TL Overall standard deviation, S. TL Design serviceability loss, APSI |50 10 5.0 40 20 99.9 0.2 1.0 99 0.4 0.5 0.6 E 90 0.1 1.5 0.05 2.0 80 70 60 50 2.5 3.0 9 87 6 5 4 3 2 1.5 Example: 6.5 5.5 4.5 3.5 2.5 W18 = 5 x 106 Design structural number, SN %3D R = 95% S, = 0.35 MR = 5000 Ib/in? APSI = 1.9 %3D Solution: SN = 5.0 Reliability, R (%) Estimated total 18-kip-equivalent single-axle load applications, W18 (millions) Effective roadbed soil resilient modulus, Mg (kips/in?) Luli l 1. 1.0 0.5

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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Using the design chart below. Estimate the SN if W18=10x10^6, R=90%, So=0.35, Mr- 10000Psi, APSI=3. Use the chart below. TL Overall standard deviation, S. TL Design serviceability loss, APSI |50 10 5.0 99.9 40 20 0.2 10 99 |1.0 0.4 0.5 0.6 0.6 E 0.5 0.1 1.5 '0.05 2.0 2.5 3.0 60 50 9 87 65 4 3 2 Example: 6.5 5.5 4.5 3.5 2.5 1.5 W18 = 5 x 106 R = 95% S, = 0.35 MR = 5000 lb/in? APSI = 1.9 Design structural number, SN %3D %3D Solution: SN = 5.0 Reliability, R (%) Estimated total 18-kip-equivalent single-axle load applications, W8 (millions) Effective roadbed soil resilient modulus, M2 (kips/in?) - 1.0-
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