Density of construction material in Kg/m3 and lbs/ft3

Density of construction material in Kg/m3 and lbs/ft3

 Density of different material   

 

Densities of construction material are its mass per unit volume of material. It is expressed in kg/m3 or lb/ft3 and shows compactness of building material.

Density is also called as unit weight of substance. It is represented by symbol called row (p). Density represents the degree of compactness of material. If the material is of more density, it is more compacted material.

Density  is defined as the ratio of mass to volume.

p = m/v

Units = kg/m3 or lb/ft3

Conversion: 1 kg/m3 = 0.624 lb/ft3

Density Values of Different Construction Materials

If two different materials are same in weight, but their density of both may be different. Lower dense material occupies more volume than higher dense material.

Density also decides the sinking property of material. It is decided by knowing the density of liquid. If the material has density than liquid, then it will float on the surface of liquid. If it is more density than liquid, it will sink.

For example water has a density of 1000kg/m3 , if we place bamboo wood (350kg/m3) on water it will float on water surface similarly if we drop a brick (1700 kg.m3) it will sink into the water.

Density value of construction material will also help to find out the quantity of material needed for particular space.

Unit weight or density of different construction material are written blow.

             Material                               Density (Kg/M3,lb/ft3)

1)   Concrete                                      2300  Kg/M3

2)   Asphalt                                         700  Kg/M3, 45 lb/tf3

3)   Bricks                                            1500 - 1800  Kg/M3 , 93.64 – (-112.3) lb/tf3

4)   Cements                                       1400  Kg/M3, 89.8 lb/tf3

5)   Clay (soil)                                     1800  Kg/M3, 112.3 lb/tf3

6)  Cement mortar                            2080  Kg/M3, 129.8 lb/tf3

7)  Concrete ( reinforced)                2500  Kg/M3, 156 lb/tf3

8)  Gypsum                                         1200  Kg/M3

9)  Sand                                               1650  Kg/M3

10) Concrete Blocks                            1400  Kg/M3

11) Gravel                                             1800  Kg/M3

12) Steel                                                7850  Kg/M3

13)  Wood (Average)                          400 – 700  Kg/M3

14)  Water                                    1000 Kg/M3, 62.43 lb/ft3

15) Glass                                                 2580 Kg/M3 ,161 lb/tf3
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Civil Engineering