Mass housing

Construction Quality Management

Mass Housing

Submitted By

Awanish Shukla

Lists of Experiments

1.Brick Test

• Water Absorption Test• Crushing Strength Test• Hardness Test• Presence of Soluble salts tests• Shape and Size• Soundness Test• Structure Test

Lists of Experiments

2. Tests on Cement

• Chemical Compassion Test• Fineness Test• Compressive Strength Test• Soundness test• Consistency test• Setting time test

Lists of Experiments….Conti..

3. Aggregate Tests

• Aggregate Crushing value• Specific Gravity test• Bulking of Aggregate• Soundness test• Flakiness Test• Elongation test• Sieve Analysis

Lists of Experiments….Conti..

4. Tests on Hardened Concrete• Compression Test• Flexural Strength Test• Non Destructive Test• Pulse velocity test

5. Tests on Fresh Concrete• Vee Bee Consistometer Test• Slump Test

Outsourcing of Tests..

Tests on Glass

Tests on Frames

Tests on Wooden

Equipment's & Costing…

VICAT APPARATUS : The Vicat Apparatus Standard Unit has a reversible 300g stainless steel rod with a 10mm plunger on one end and a 1mm double-threaded needle at the other. A conical plastic mold, 60/70mm top/base ID x 40mm high, and glass plate are included.

COST : RS 27,000.

LE-CHATLIER : It consists of a small split cylinder forming a mould, on either side of the split cylinder; two parallel indicating arms with pointed ends are attached. It is supplied with two glass plates and a lead weight

COST : RS 300


IS SEIVES : 10" Diameter Full Height Sieve, Stainless Cloth, Stainless Frame.

COST : RS 12,000.

COMPRESSIVE TESTING MACHINE : 4,00,000lbs concrete compression machine

w/pro 115v/60hzCOST : RS 7,20,000

UNIVERSAL TESTING MACHINE :COST : RS 45,000


SLUMP CONE TEST : base plate (600mmx600m an about 3mm thick) . steel tamping rod (600mm with a rounded tip)

COST : RS 8,400

SIEVE SHAKER : clarkson EFL2000-230V endecotts EFL2000 sieve shaker 230v. The ideal heavy duty

shaker for 200, 250, & 300mm & 12” diameter sievesCOST : RS 20,280

ELECTRIC FURNANCE :COST : Rs. 8000

Total Lab Cost Rs. 8,40,980

Construction materialPLASTER Cement, sand and water required for the work shall conform

to specifications laid down Herein before under section cement concrete (plain and

reinforced), except that sand for finishing coat shall generally conform to IS 1542-1960. the plastering works shall generally

Conform to IS 1661-1987(pt.III) Code of practice for cement plaster finish on walls and ceilings).

All general precautions as specified in I.S. 1661-1987 (pt.III) clause 8, shall be taken

Preparation of the background shall be done as laid down in IS 1661 clause 12 and IS 2402.

IS 2963 shall be generally followed for sand faced plaster

Brick Masonry & Testing…

Testing of brick, mortar and grout is often required prior to and during construction of engineered brick masonry projects. The tests involve a combination of laboratory and field procedures which are described in various ASTM standards.

Compressive strength test:

This test is done to know the compressive strength of brick. It is also called crushing strength of brick.Generally 5 specimens of bricks are taken to laboratory for testing and tested one by one. In this test a brick specimen is put on crushing machine and applied pressure till it breaks. The ultimate pressure at which brick is crushed is taken into account. All five brick specimens are tested one by one and average result is taken as brick's compressive/crushing strength

Compressive Strength Test…….

Brick Masonry & Testing…….Conti..

Water Absorption test:

In this test bricks are weighed in dry condition and let them immersed in fresh water for 24 hours. After 24 hours of immersion those are taken out from water and wipe out with cloth. Then brick is weighed in wet condition. The difference between weights is the water absorbed by brick. The percentage of water absorption is then calculated.The less water absorbed by brick the greater its quality. Good quality brick doesn't absorb more than 20% water of its own weight.


Efflorescence test:

The presence of alkalies in bricks is harmful and they form a gray or white layer on brick surface by absorbing moisture. To find out the presence of alkalis in bricks this test is performed. In this test a brick is immersed in fresh water for 24 hours and then it's taken out from water and allowed to dry in shade.

If the whitish layer is not visible on surface it proofs that absence of alkalis in brick. If the whitish layer visible about 10% of brick surface then the presence of alkalis is in acceptable range. If that is about 50% of surface then it is moderate. If the alkalis's presence is over 50% then the brick is severely affected by alkalies


Efflorescence test:




Efflorescence test:




Hardness test :

In this test a scratch is made on brick surface with a hard thing. If that doesn't left any impression on brick then that is good quality brick.

Size, shape and color test: In this test randomly collected 20 bricks are staked along lengthwise, widthwise and heightwise and then those are measured to know the variation of sizes as per standard.

Bricks are closely viewed to check if its edges are sharp and straight and uniform in shape.

A good quality brick should have bright and uniform color throughout.


Soundness test :

In this test two bricks are held by both hands and struck with one another.

If the bricks give clear metallic ringing sound and don't break then those are good quality bricks.

Structure test: In this test a brick is broken or a broken brick is collected and closely observed. If there are any flows, cracks or holes present on that broken face then that isn't good quality brick.


Soundness test :

In this test two bricks are held by both hands and struck with one another.

If the bricks give clear metallic ringing sound and don't break then those are good quality bricks.

Structure test: In this test a brick is broken or a broken brick is collected and closely observed. If there are any flows, cracks or holes present on that broken face then that isn't good quality brick.

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