Consultancy & Material Testing Facilities

Cement

 

S. No

Tests

Instruments used

Specification of Instruments

IS code

1

Fineness by dry sieving

1. IS sieve No. 9.
2. Weighing Balance.
3. Brush.

Sieve 90 μ
600g

I.S.: 269-1976

2

Consistency

1. Vicat’s apparatus with 10 mm dia. plunger, vicat’s needle and vicat’s mould.
2. Gauging trowel.
3. Measuring jar.
4. Non porous plate
5. Weighing balance and stop watch.

 

 

 

6 kg

I.S. 5513 :1996

3

Setting time (initial , final)

1. Vicat’s apparatus with 10 mm dia. plunger, vicat’s needle and vicat’s mould.
2. Gauging trowel.
3. Measuring jar.
4. Non porous plate
5. Weighing balance and stop watch.

 

 

 

6 kg

I.S. 5513 : 1996

4

Soundness Test

1. Le-Chatelier aparatus.
2. Two glass plates.
3. Temperature   
Controlled water bath.
4. Scale.
5. Weight box.
6. Trowel.

 

1000C

100g & 200g

I.S. 269-1976

5

Compressive strength

1. Mortar moulds
3. Measuring jar
4. Trowel.
5. Nonporous platform.
6. Weighing balance.
7. Compression testing machine.

70 x70x70 mm.

 

20 kg
200 tonn

IS 4031(Part 6):1988

6

Specific Gravity

1. Specific gravity bottle
(pycnometer bottle).
2. Weighing balance.
3. Kerosene

1000 ml

6 kg

IS 2720 (Part 3 / Section 2) – 1980

7

Fineness of cement

1. IS sieve No. 9.
2. Weighing Balance.
3. Brush.

90 μ
600 g

I.S.: 269-1976

 

Course Aggregates

 

S.No

Tests

Instruments used

Specification of Instruments

IS code

1

Abrasion

  1. LosAngeles machine with inside diameter 700 mm and length 500 mm
  2. Abrasive charges 12 numbers
  3. I.S. Sieve with 1.7 mm opening
  4. Thermostatically controlled oven
  5. Metal tray
  6. Weighting balance

 

 

 

 

20 kg capacity

IS 2386 (Part 5) – 1963.

2

Impact Value

1.   Impact testing machine with following accessories.

  1. Metal base 300 mm diameter.
  2. Detachable cylindrical steel cup of internal diameter 102 mm and depth 50 mm
  3. Metal hammer of weight between 13.5 to 14 kg, 100 mm in diameter and 50 mm long.
  4. An arrangement for raising and lowering the hammer  freely between vertical guides with a lift of  380 mm
  5. Cylindrical metal measure 75 mm internal diameter and 50 mm high.

2. Tamping rod 10 mm diameter and 230 mm long, rounded at one end.
3.  Straight edge
4. I.S. sieve of sizes 12.5 mm, 10 mm and 2.36 mm.
5. Thermostatically controlled oven

  1. Weighting Balance

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20 kg capacity

IS 2386 (Part 4) – 1963.

3

Crushing value

  1. Test mould (steel cylinder of internal diameter 152 mm with open ends)
  2. A square base plate, plunger having a piston diameter of 150 mm.
  3. A cylindrical measure of internal diameter of 11.5 and height 18 cms.
  4. Steel tamping rod having diameter of 16 mm and length 450 to 600 mm.
  5. Weighting Balance
  6. Compression testing machine
  7. IS sieve of sizes 12.5, 10, and 2.36 mm

 

 

 

 

 

 

 

 

 

 

100 kg capacity

200tonn

IS-2386 (Part- 4)-1963.

4

Fineness Modulus of   aggregate

1. Sieves (80 mm, 40 mm, 20 mm, 10 mm, 4.75 mm, 2.36 mm, 1.18 mm, 600μ, 300 μ, 150 μ) 2. Sieve shaker.
3. Weighing balance.
4. Wire brush.
5. Hot air oven.
6. Cylindrical container.
7. Graduated cylinder.
8. Beaker.
9. Steel rule.