Q2. The data of material for making a cement concrete mix may be assumed as follows: (i) Water-Cement ratio by mass = 0.46 (ii) Entrained air = 2% S.No. Material Specific Bulk gravity density 1. 2. 3. Cement Fine aggregate 20 mm nominal size crushed coarse aggregate 3.15 2.61 2.7 (Kg/m³) dry 1500 1620 Proportion in mix by 1530 volume 1 part 1.359 part 2.79 part Determine the following for cement concrete: (1) Absolute volume of fully compacted fresh concrete (ignoring air content) produced by one bag of cement of 50kg. (2) Cement content per cubic metre of concrete. (3) Quantity of material to make one cubic metre of concrete.

Q2. The data of material for making a cement concrete mix may be assumed as follows: (i) Water-Cement ratio by mass = 0.46 (ii) Entrained air = 2% S.No. Material Specific Bulk gravity density 1. 2. 3. Cement Fine aggregate 20 mm nominal size crushed coarse aggregate 3.15 2.61 2.7 (Kg/m³) dry 1500 1620 Proportion in mix by 1530 volume 1 part 1.359 part 2.79 part Determine the following for cement concrete: (1) Absolute volume of fully compacted fresh concrete (ignoring air content) produced by one bag of cement of 50kg. (2) Cement content per cubic metre of concrete. (3) Quantity of material to make one cubic metre of concrete.

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

Pricing Concrete Work

The concrete work in a project usually holds a high-end cost in terms of cost and value of the work. It becomes an important step in calculating the cost associated with concrete while preparing the project scale. The cost of making concrete depends on the cost of building materials, mixed materials, labor, and machinery. A concrete contractor builds structures from concrete, usually managing all the steps of the process from assembling ingredients to building a holding structure and preparing the mixture. This person or team oversees the delivery and unloading of goods to ensure that they are done properly. Nowadays, most of the concrete in the United States comes from manufacturers working abroad, usually with branches and plants within the provinces. Contributions can range from pre-mixed concrete to basic ingredients, the consumer company then mixes it. Many American-based concrete companies, however, offer concrete products, such as ballads, bricks, countertop, concrete pipe, and building products, as well as concrete construction and installation materials. This article covers both types of suppliers for this set of building materials.

Question

Q2.
The data of material for making a cement concrete
mix may be assumed as follows:
(i) Water-Cement ratio by mass = 0.46
(ii) Entrained air = 2%
S.No. Material Specific Bulk
gravity density
1.
2.
3.
Cement
Fine
aggregate
20 mm
nominal
size
crushed
coarse
aggregate
3.15
2.61
2.7
(Kg/m³) dry
1500
1620
Proportion
in mix by
1530
volume
1 part
1.359 part
2.79 part
Determine the following for cement concrete:
(1) Absolute volume of fully compacted fresh
concrete (ignoring air content) produced by one
bag of cement of 50kg.
(2) Cement content per cubic metre of concrete.
(3) Quantity of material to make one cubic metre
of concrete.

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