THIS IS THE SLIDE CREATED BY ER CHIRANJIBI KHATIWODA FROM NEPAL ON THE TOPIC CONSTRUCTION EQUIPMENT COVERING LESSION TO BE TOUGHT TO CLASS 12

1. CONSTRUCTMENT EQUIPMENT
Er. Chiranjibi Khatiwoda
V.Cordinator/ Instructor
Department of civil engineering
Shree Arunodaya Secondary School

2.  Construction equipment refers to machinery, tools, and other
devices used in the construction industry to execute various tasks,
such as earthwork, paving, demolition, material handling, mixing
,grading and so on.
 Construction equipment includes a broad range of tools, such as
excavators, bulldozers, loaders, cranes, concrete mixers, concrete
pumps, backhoes, skid-steer loaders, and many more. Each type of
construction equipment has a specific purpose and is designed to
perform a specific task.
 These machines are critical to the success of any construction
project, as they help in enhancing the efficiency and speed of
construction activities. They also help to reduce labor costs and
minimize the time needed to complete a project.
Construction Equipment

3.  Increased productivity: The use of construction equipment can
significantly increase the speed and efficiency of construction
work, reducing the time and labor required to complete
projects.
 Improved safety: Equipment is designed with safety features
that reduce the risk of injury to workers, such as roll-over
protection, seat belts, and backup alarms.
 Cost-effective: While the initial investment in equipment can be
expensive, it can save costs in the long run by reducing labor
and increasing productivity.
 Versatility: Different types of equipment can be used for
various tasks, allowing construction companies to tackle a wide
range of projects.
Advantages of using equipment

4.  Cost: The cost of purchasing and maintaining equipment can be
high, particularly for small construction companies that may not
have the resources to invest in expensive machinery.
 Skill level required: Operating equipment requires specialized
training and experience, which can be a challenge for small
companies or workers who are new to the industry.
 Maintenance: Equipment requires regular maintenance and
repair, which can be time-consuming and expensive.
 Environmental impact: Equipment can generate noise and air
pollution, and the use of large machines can damage the
surrounding environment.
Disadvantages of Using Equipment

5. Excavators
Used for digging trenches,
foundations, and holes, they come in
different sizes, from small to large.
Backhoes
Used for digging, grading, and
moving earth, they are smaller than
excavators and can be used in tight
spaces.
Bulldozers
Used for grading and leveling, they
are heavy machines that can push
large amounts of dirt.
Equipments for Excavations

6. Skid Steer Loaders
Used for smaller excavation projects
and tight spaces, they are compact
machines that can maneuver easily.
Trenchers
Used for digging, grading, and
moving earth, they are smaller than
excavators and can be used in tight
spaces.
Dump trucks
Used for transporting earth, gravel,
and other materials, they come in
different sizes and can carry large
amounts of materials.
Compactors
Used for compacting soil, gravel, and
other materials, they can create a

7. Graders –
used for leveling and smoothing the ground,
they can create a flat and even surface for
construction projects.
Augers
- used for drilling holes, they come in
different sizes and can be used for various
tasks, such as soil sampling, foundation
drilling, or tree planting.
Clamshells
Are the type of excavating equipment with a
two-piece bucket that resembles a clamshell.
The two pieces of the bucket are hinged at
the back, allowing it to open and close like a
clamshell. The main function of clamshells is
to dig and move materials, such as soil, sand,
gravel, and rocks, in excavation and

8.  Formworks
Formwork, also known as shuttering, is a temporary structure
used to support and shape freshly poured concrete until it
reaches sufficient strength to support its own weight. Formwork
is an essential component of the concrete mixing process, and it
helps to ensure that the concrete is poured in the desired shape
and size.
Major functions of formworks include:
1. Shape and size control
2. Support
3. Safety
4. Durability
5. Surface finish
Equipment for concrete mixing

9. Concrete mixers
Used to mix cement, water, and
aggregate, they come in different sizes
and types, including portable mixers,
truck-mounted mixers, and stationary
mixers.
Batch plants
Used for high volume concrete
production, they can mix and batch
large amounts of concrete at once.
Pan mixers
Used for mixing small amounts of
concrete, they have a stationary drum
that rotates to mix the concrete.
Drum mixers
Used for mixing concrete in large
volumes, they have a rotating drum

10. Tilt mixers
Used for mixing and pouring concrete, they
have a rotating drum that can tilt to pour the
concrete into a truck or form.
Ready-mix trucks
Used to transport and mix concrete on-site,
they have a rotating drum that mixes the
concrete during transport.
Concrete pumps
Used to transport and pour concrete into
hard-to-reach areas, such as high-rise
buildings, they can pump concrete through
hoses and pipes to the desired location.

11. Concrete mixer trucks:
These are truck-mounted vehicles with a
rotating drum that mixes and transports
concrete to the construction site. The
drum rotates during transport to prevent
the concrete from hardening.
Concrete pumps:
These are machines that use a hydraulic
system to pump concrete through pipes
and hoses to the desired location. They
are particularly useful for transporting
concrete to hard-to-reach areas, such as
high-rise buildings.
Equipment for concrete
Transportation

12. Belt conveyors:
These are conveyor belts that are used to
transport concrete horizontally or vertically.
They are particularly useful for transporting
concrete over long distances or to high
elevations.
Chutes:
These are long, inclined tubes or channels
used to transport concrete from the mixer
truck to the construction site. They are
particularly useful for transporting concrete
to locations where other equipment cannot
reach.
Wheelbarrows:
These are small, hand-operated carts used to
transport small amounts of concrete over
short distances. They are particularly useful
for small construction sites or for areas with
limited access.

13. Vibrating plate compactors:
These are handheld machines that use
a vibrating plate to compact concrete.
Internal vibrators:
These are also known as poker vibrators,
and they are used to vibrate concrete to
remove air pockets and ensure that it is
fully compacted.
Surface vibrators:
These are also known as screed vibrators,
and they are used to compact and level
freshly poured concrete surfaces.
Power trowels:
These are machines that use rotating
blades to smooth and level concrete
surfaces.
Concrete Compaction Equipment

14. Roller compactors:
These are large machines that use a heavy
drum to compact soil and asphalt as well as
concrete.
Pneumatic compactors:
These are machines that use compressed air
to compact soil and asphalt as well as
concrete.
Tamping rammers:
These are handheld machines that use a
percussive action to compact soil and sand as
well as concrete.
Concrete vibratory screeds:
These machines are used to level and smooth
freshly poured concrete surfaces by vibrating
them.

15.  Hoisting refers to the process of lifting and moving heavy loads
using a hoist, which is a device that is used to lift and lower
loads vertically. Hoisting is commonly used in construction,
manufacturing, and other industrial applications.
 There are many types of lifting equipment used in various
industries and applications. Here are some examples of
commonly used lifting equipment:
Cranes Jib cranes
Vacuum lifters Forklifts
Hoists Pallet jacks
Lift tables Scissor lifts
Lifting Equipment: Crane