Given: Flexible pavement in rural interstate highway. Design ESAL 3000000 Subbase exposed to moisture saturation 5% of time & drainage quality is fair. Base saturation level 10% of time (Fair drainage quality). Mr (HMA) = 420,000 psi Mr (base) = 24,000 psi Mr (subbase) = 10,000 psi CBR (Subgrade) = 1.0 Reliability Level R = 85% So = 0.45 APSI = 2 Required: Design the pavement by the AASHTO method

Given: Flexible pavement in rural interstate highway. Design ESAL 3000000 Subbase exposed to moisture saturation 5% of time & drainage quality is fair. Base saturation level 10% of time (Fair drainage quality). Mr (HMA) = 420,000 psi Mr (base) = 24,000 psi Mr (subbase) = 10,000 psi CBR (Subgrade) = 1.0 Reliability Level R = 85% So = 0.45 APSI = 2 Required: Design the pavement by the AASHTO method

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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Flexible pavement in rural interstate highway. Design ESAL 3000000 Subbase exposed to moisture saturation 5% of time & drainage quality is fair. Base saturation level 10% of time (Fair drainage quality). Mr (HMA) 420,000 psi Mr (base) 24,000 psi Mr (subbase) 10,000 psi CBR (Subgrade) = 1.0 Reliability Level R = 85% So 0.45 APSI = 2 Required: 1) Design the pavement by the AASHTO method 2) If the total traffic reaches double, what is the percent of the slab thickness increased
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question 1 part c please, Pavement
question 1 part b please, Pavement
Cement Test Results: Tests Weight of w/c ratio Water weight Results Cement Consistency Test 350gr 0.3 105gr 7mm penetration from the bottom Initial setting time 350 gr 0.3 105gr 57 minutes Final setting time350gr 0.3 105gr 2 hours and 57 minutes Fineness test 50gr 0.16% < 0.20% ok Soundness test No such expansion were taken place
Please provide a well detailed solution. Thank you
question 2 please, Pavement
Problem Exercise: A concrete road 15m wide, 5 km long, is designed with a thickness as shown in the following cross section. Specifying Class A concrete, determine the quantity of 40 kg cement, sand and gravel required. Use 40kg cement bags. 0.2 m 0.2 m 0.2 m 0.25 m 0.2 m
Given: Design ESAL = 10 x 106 Initial serviceability index = 5 Terminal serviceability = 2 Standard deviation = 0.5 Reliable = 95%
7. Define yield of cement in slurry design.
The amount of cement required for 100 m² area, of damp proof course with 2.5 cm thickness, in with proportion of 1: 2:4 (cement: sand aggregate) will be:
Given: Design ESAL = 5 x 106 Initial serviceability index = 3.5 Terminal serviceability = 2.5 Standard deviation = 0.5 Reliable = 90%