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Prefabrication ppt.pptx
1. PREFABRICATION
Prefabrication is the practice of assembling components of a structure in a factory or other manufacturing site and
transporting complete assemblies or sub assemblies to the construction site where the structure is to be located.
TRADITIONAL METHODS OF CONSTRUCTION
Foundations are laid , walls are built , roofs are added and then the interior of the building beings to be created .
MODERN METHODS OF CONSTRUCTION
. Modern methods of construction are innovative ways of building structures. Which are increasingly being used in
the construction industry .
. Modular buildings
. Flat slab construction
. Twin wall construction
. Hybrid Construction
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SUBMITTED BY -
HARSHIT GARG
20DARC04
SUBMITTED TO –
AR. VIVEK PAINULI
LINGAYAS
VIDYAPEETH
2. OFF- SITE CONTRUCTION
Off site construction involves the process of planning , designing , fabricating , transporting and assembling
building elements for rapid site assembly to a greater degree of finish than in traditional piecemeal on site
construction .
ADVANTAGES OF OFF - SITE CONTRUCTION
. Moving the building process away from the physical site into a controlled factory environment has multiple
advantages .
. Efficiency and predictability
. Safety
. Sustainability
. Less labour
. Less training
. No disruption to clients .
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SUBMITTED BY -
HARSHIT GARG
20DARC04
SUBMITTED TO –
AR. VIVEK PAINULI
LINGAYAS
VIDYAPEETH
3. ON – SITE CONSTRUCTION
. Schoolhaus
DISADVANTAGES OF OFF - SITE CONTRUCTION
. Suitability depends on location .
. Changes in design and plans are not possible once the project starts.
. Demands extreme detailed planning.
. Customization in modular construction is limited.
. Demands proper and more communication between on site and off site construction.
On – site refers to the traditional construction method in which structures are built sequentially in their permanent
location.
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SUBMITTED BY -
HARSHIT GARG
20DARC04
SUBMITTED TO –
AR. VIVEK PAINULI
LINGAYAS
VIDYAPEETH
4. ADVANTAGES OF ON - SITE CONTRUCTION
. Weather Conditions . The on – site construction is highly influenced by weather conditions
. Safety concerns – Compared to off- site or modular construction , on – site construction demands high safety and
precautions.
DISADVANTAGES OF ON - SITE CONTRUCTION
. Design construction
. Alteration after construction phase
. Construction in tight urban areas.
. Easy Renovation
. Weather conditions
. Safety concerns
. Project not influences by weather
. Management of timeless.
AAC BLOCKS
Autoclaved Aerated Concrete Blocks are fast replacing traditional bricks in the construction industry. AAC is a foam
concrete material that is up to three times more lightweight than regular bricks. and hence is easy to handle and use
too.
AAC block prices range anywhere from INR 2000 to INR 4000 per cubic meter , depending on the manufacturer you
buy it from . As expected the cubic meter price will vary depending on how many prices you buy.
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TOPIC -
SUBMITTED BY -
HARSHIT GARG
20DARC04
SUBMITTED TO –
AR. VIVEK PAINULI
LINGAYAS
VIDYAPEETH
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SUBMITTED BY -
HARSHIT GARG
20DARC04
SUBMITTED TO –
AR. VIVEK PAINULI
LINGAYAS
VIDYAPEETH
ADVANTAGES OF AAC BLOCKS
# Thermal efficiency is one of the biggest advantage of these AAC blocks.
# They keep the house pleasant during both summer and winter and reduce heating and cooling loads.
# The handle fire better than traditional bricks.
# These blocks are up to 3 times lighter in weight than traditional clay or cement blocks.
# These porous and airy material last really long and are not much affected by climatic change.
DISADVANTAGES OF AAC BLOCKS
# Improper installation can cause cracks in the structures of the blocks and this will affect the final finish of the
building .
# The porous material of AAC blocks means that they have to be handled carefully during loading and unloading .
# The fact that these are lightweight may make the labourers to handle them casually causing unwanted breakage.
# AAC block price vary with the quantity you order.
# Not any mason can lay AAC blocks. These needs to be done only by experts.
# AAC block cannot handle heavy loads and are called non bearing materials . These should be mostly used for
partition walls.
DIFFERENCE BETWEEN AAC BLOCKS AND BRICKS
AAC BLOCKS BRICKS
# AAC blocks are in lightweight up to 3 times more
lightweight than traditional red bricks and are easy to handle
# Each of the AAC block can weigh anywhere from 3 kg to
15kg depending on the size of the individual block.
# AAC block are very large in size.
# AAC blocks are usually uniform in size and don’t come with
rugged or rough edges that need to be trimmed.
# The construction process is relatively quicker.
# Red bricks come in different weights
depending on seller.
# The average weight can range between 2-3,5
kg for one block.
# Red brick are smaller in size
# The size and shape of red brick can be slightly
different as they are mostly handmade. They
also have rough edges that need trimming
before use.
6. PREFABRICATED MATERIALS
# Prefabricated units may include doors , stairs , window walls , wall panels , floor panels , roof trusses , room sized
components and even entire building
MODULE NAME-
TOPIC -
SUBMITTED BY -
HARSHIT GARG
20DARC04
SUBMITTED TO –
AR. VIVEK PAINULI
LINGAYAS
VIDYAPEETH
PREFABRICATED
MATERIALS