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Pritpal Singh, Senior Engineer

PUNJAB STATE COUNCIL FOR SCIENCE & TECHNOLOGY(A State Govt. Undertaking)

Adj. Sacred Heart School, Sector-26, Chandigarh–160019 (India) Website: www.pscst.gov.in

Indian Construction Sector

� Construction sector imp. contributor to GDP with growth rate of 10%.

� Clay fired bricks –most popular building material � Construction technology has changed� Most of the buildings are multi-storeyed frame

structure.� Bricks used as fillers (non-load bearing)

� 5000 brick kilns in Punjab & Haryana� Around 24 billion bricks/year (16% of Country’s production)� 90 million tones soil used annually ( 20-30% saving potential)

Indian Construction Sector

� Concern over depleting resources (clay/ coal)� Initiative by Government (ECBC), promotion of

alternative building materials such as flyash bricks, Fal-G bricks etc.

� Still clay fired solid bricks are most preferred.

CLAY BRICK PRODUCTION-INTERNATIONAL SCENARIO

�In the last 60 years, no. of factors have resulted in radical changes in the European brick industry.

�Nowadays clay brick production process with mechanized and automatic process to get the best quality products.

�Availability of bricks of different shapes and colors.

BRICK MAKING IN INDIA

• No major change in brick making technology as a result only solid clay bricks are mostly in production• Emphasis on production, irrespective of quality• Over exploitation of top soil

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• UNDP-GEF has launched a project on “Energy Efficiency Improvements in Indian Brick Industry”, with the focus to promote and establish the use of Resource Efficient Bricks like perforated bricks, hollow bricks, flyash bricks etc.

• Punjab State Council for Science & Technology is the Local Resource Centre for the States of Punjab & Haryana.

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Various BIS Standards

IS 1077:1992 Common burnt clay building bricks -Specification

IS 2222:1991 Specification for burnt clay perforated building bricks (fourth revision)

IS 3952:1988 Specification for burnt clay hollow bricks for walls and partitions (second revision)

IS 13757:1993 Burnt clay fly ash building bricks –Specification

IS 12894:2002 Specification for pulverized fuel ash lime bricks

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Mortar Reduction 18% 17% 22%

CM 1:5 mortar per 10 m2 wall

Cement (Bags) 1.8 1.7 2.1

Sand (m3) 0.3 0.3 0.4

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Dr. Manmohan SahaiMaidagin, VaranasiExtruded Clay hollow blocks Extruded clay Hollow Blocks

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Thanks for Your Kind Attention

PSCST ServicesPSCST Services� Technology demonstration & consultancy for

pollution control in SSIs� Energy Audit of buildings and industry�CDM consultancy services

�Capacity building esp. MSME�PIN-PDD

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