| PROPERTY |
RANGE
OF VALUES |
MEAN
|
|
|
|
1.
Colour |
White Cream to pale brown |
|
2.
Grain Size |
Fine to medium, clastic |
|
3. Nature |
Fragmental, organic limestone
(fossiliferous: bryozoal). |
|
4.
Composition |
Dominantly calcite, trace dolomite. |
|
5.
Porosity (effective) % |
36
– 44 |
39.9 |
6.
Porosity (total) % |
63
– 59 |
56.4 |
7.
Saturation coefficient |
0.68 – 0.74 |
0.71 |
8.
Compressive strength Mpa
- Dry
- Soaked |
1.08 – 5.71
1.29 – 4.71
|
3.55
3.16
|
| 9.
Modulus of Rupture MI’53 – 58
- Dry
- Soaked |
1.0 – 2.7
0.7 – 2.1
|
1.7
1.4
|
10.
Young’s Modulus MI’a 10
- Dry
- Soaked |
0.57 – 7.70
0.38 – 3.69
|
2.2
1.5
|
11.
Poisson’s Ratio
- Dry
- Soaked |
-0.14 – 0.64
-1.05 – 0.87
|
0.18
0.08
|
12.
Ultrasonic Pulse Velocity m/sec |
1660 – 2445 |
2140 |
13.
Dimensional Instability, % |
0.02 - 0.06 |
0.05 |
14.
Coefficient of Thermal expansion, mm/mm/ C 10 |
3
– 6 |
5
|
