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

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

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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Concept explainers

Design of pavements

Pavement is a structure that is made up of different layers such as sub-base course layer, base course layer, binder course, and a surface course formed with different materials such as gravel, above the subgrade soil constructed to act as a path or carriageway enabling the movement of vehicles. The surface of the pavement should possess characteristics such as adequate friction, light reflection, and drainage. The pavements are classified based on structural design into rigid pavements, flexible pavements, composite pavements, and unpaved pavements. The process of determining a suitable pavement type, its constituent layers, and its thickness is called pavement design.

Question

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

CONCRETE
MIX
RATIO
Mixture
Class
AA
A
C
Proportion
Cement in Bag
40 kg
1:1.5:
3
1:2:4 9
1:2.5:
5
1:3:6
12
7.5
50 kg
9
7
5
Sand
Cubic M
.50
.50
.50
.50
Gravel
Cubic M
1.0
1.0
1.0
1.0

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