All about civil construction knowledge- PARAM VISIONS

3D epoxy flooring/3D flooring tiles

3D epoxy flooring :

3d epoxy flooring/3D FLOORING TILES
3D epoxy flooring
Epoxy is a material that is made by mixing two different ingredients i.e. resins and hardeners in fixed proportions. In making 3D epoxy flooring, first, the substrate is cleaned thoroughly, by removing dirt, protrusions, etc. The base layer is made completely dry, as epoxy hates water since it hinders its performance. As per the room size, the 3D murals were prepared with a perfect fit and placing the images in the framework in such a way that it should come in the proper location of the room area. These murals were usually made up of vinyl(p.v.c.) material.

3D - floor mural

They were glued to the substrate carefully so that there are no foldings over it and removing all the air bubbles entrapped inside to achieve the even surface.

The next day, the epoxy application work is carried out using rollers and a spatula. The thickness of the epoxy will be usually between 2mm to 5mm. Less than 2mm thickness is used only in epoxy coatings which are applied over the existing floor surfaces.

 It takes 24 hours for an initial curing period to become rock hard, which is usable after that period. The next day, polishing work will be carried out to have shiny mirror-like 3D flooring.

But the cost of these floorings was very high, which is 5 to 10 times higher than the normal stone and tile floorings. These rates vary as per the room size, floor thickness, type of mural used, brand, and the warranty provided by the company (contractor).

Advantages of 3D epoxy flooring :

1. You will get a seamless floor with a shiny mirror-like finish.

2.  Chemical resistant and waterproof.

3.  Hard, tough, and scratchproof.

4.  Aesthetic and royal in appearance.

5.  Easy to clean as there are no joints in between.

6. You can select a wide range of images with different colors, as per your choice.

7. They provide you with a single whole look creating an extra dimension in appearance.


1. The main disadvantage is its cost, which starts normally from INR 400/sq.ft.(in India)

2. Its availability is limited as compared to other types of floorings, as it needs skilled workers for measurement, mural preparation, and finishing.

Difference between foundation and footing/What is foundation and footing?

The words, foundation, and footing in civil engineering carry two different meanings, as per the area of specification and location.
Let us see both of them here.

Image result for building foundation
Building foundation Fig 1.


It is the part of the building structure, which is below the ground level, where all the loads of the superstructure are transferred. 
See the fig. no. 1.

Image result for pile foundation
Pile foundation  Fig 2.

In other terms, all the deep foundations are simply called foundations. Examples are pile foundation, well foundation, caisson foundation, etc.
 See fig no. 2.


Footings Fig 3.

It is the lowest part of the building foundation, which rests on subsoil, and distributes load to the ground. It may be made of any materials like concrete, rubble stone, bricks, etc. 

Fig.3 shows the footing below the ground level.

Image result for footings
Shallow foundation Fig 4.

In other terms, all the shallow foundations are simply called footings. Examples are strap footing, combined footing, spread footing, continuous wall footing, etc.
see fig 4

I think the brief description with the embedded figures is enough to understand the difference between the two terminologies. 

Thank you for reading.



Types of paints used in civil engineering./Different types of paints used in buildings.

Let us look into different types of paints used in civil engineering/building construction.

Wall painting

 1. Enamel paint:

 It is an oil-based paint, having resinous matter, mostly composed of alkyd. After painting, they give a glossy finish, with a hard surface.

2. Oil paint:

 Different oils like tung oil, nut oil, linseed oil, etc were used as a base material, with suspended pigment particles. This paint is mostly used on metal surfaces like grills, gates, railings, etc. and also on wooden materials.

3. Distemper paint

These paints are oil-based, and they are available in the paste as well as in the powder form. Chalk, lime, and colored pigments act as the main raw material in the manufacturing process. They are cheaper in comparison to other wall paints and less durable.

4. Emulsion paint:

 They are made up of a variety of chemical ingredients like binders, pigments, solvents, additives, etc. It is a suspension of globules of one liquid part with another liquid, where these two liquids do not mix with each other.

5. Whitewash:

 This is the low-cost paint, where slaked lime(calcium hydroxide) and chalk is used with water to form a solution. This mixture is mostly applied for whitening walls of less importance, or on rough surfaces.

6. Luminous paint:

 These are the paints that glow at night, for some extended period of time. It gives visible light through fluorescence.

7. Bituminous paint

This black colored paint is made by dissolving bitumen or coal tar in a mineral spirit. They are mostly used for waterproofing or applied as a protective coat on surfaces of different materials.

8. Cement paint:

 The main ingredient used in this type of paint is cement, with some colored pigments and additives. This is the water-based paint, mostly applied for the exterior surface, as it is a good antifungal and waterproofing paint.

9. Epoxy paint:

 They are made up of acrylic resins and are used in coating the floors. It forms a glossy and hard surface upon application.

10. Anti-corrosive paint

These type of paints are mostly used as a protective coating against oxidation and corrosion, over steel or iron products.

11. Fungicidal paint

They are also known as anti-mold paints. As the name suggests, it is applied to prevent the growth of fungus or molds in the bathroom or in the kitchen.

12. Metallic paint:

 Metallic flakes are used as additives, which gives the sparkling look on the surface. They are used to apply over metallic surfaces.

13. Textured paint

It contains coarse grains, which create a rough uneven textured pattern on the wall upon application. They are used to beautify the wall with some natural look.

If you are self painter for the interior of your home or wants to try it as a beginner, then you can start with Asian paints DIY self painting kit 

In this article, I have tried to cover, almost all the types of paints that are used in buildings /civil engineering.

 Thanks for reading😃, have a nice day.


Calculating the quantity of floor tiles for the building.

 For the calculation purpose, let us consider a room of size  12ft.×15ft.

 To calculate the number of tiles needed for this room, first,  we will calculate the area of this room.
Room area = L × B = 12ft × 15 ft.= 180 sq.ft.

Flooring Tiles.

Now, we will consider floor tile of size = 30cm × 30cm 

  Area of one tile = l × b
                           = 30cm × 30cm 
                           = 900

Since the area calculated for the room is in sq.ft., first we will convert the area of one tile into the same unit i.e. into sq. ft.

As you know, 1 sq ft. = 929.03

Area of one tile in sqft.
                        = 900 ÷ 929.03 
                        = 0.969 sq.ft.

Now the number of tiles needed 
                          =  area of room ÷ area of one tile.
                         = 180 sq.ft ÷ 0.969 sq.ft
                         = 185.75 say 186 nos. 

Now let us calculate the no. of tile boxes needed for this room.
Suppose if the no. of tiles in a box is 11 nos. (no. of floor tile in a box varies as per the size, thickness, brand, etc)

Then, dividing the  total  no. of tiles by the no. of tiles in a box, we get

                  186 nos ÷ 11nos 
                    = 16.9 Nos. say,   17 boxes.

 Alternatively, there is a simple method to calculate the no. of boxes required for a room.

After calculating the area of the room, you go to the shop, where you want to buy the tile. You will get the total area of the tile written on the box which it includes.

Simply divide the room area by the area mentioned on the box, and you will get the no. of the box needed to be purchased.


What is window blinds and shades?/ Difference between window blinds & window shades.

Often there is confusion between the two terms, i.e. window blinds and shades. Both of these materials were used in the window coverings, but with slightly different functions.

 Let us see now, what they actually mean.

 Window blinds:

Window blinds

 They are usually made up of harder materials as compared to the materials used in the shades. They have slats(louvers) or vanes which are positioned either vertically or horizontally, one after another. They are held together by movable cords to form one whole frame of window blind as shown in the figure. These slats can be moved at different angles to control light and privacy as needed. They are operated manually by lever cords, and nowadays we get them with cordless technology.

Window shades:


Window shades

 They are made up of one piece of materials, unlike blinds. Usually, the materials used were fabric, vinyl, woven bamboo, etc. They can be pulled up or down by cords, or rolled by a spring device. Similar to blinds, they can be operated by a cordless motorized device. Shades were pulled or rolled to varying positions to control light, air circulation, and privacy.

 Top-down and bottom-up model shades were very largely used as you can position them at any level either from the top or from the bottom. Unlike blinds, they were very closely fitted nearer to the window frames and are available in a variety of colors and designs.


Types of positive energy which energizes your home.

types of positive energy at home/positive home energy
Positive energy

This whole Universe is made up of infinite energy which runs in a rhythmic pattern. All the matters which exist in this universe have their own vibrational energy to co-exist as a part of the universe.
Since our home where we dwell, also emits energy as a sum total of all type of vibrations, either positive or negative.

Now let us look into the different types of energy, which affect the vibration of our home, and in the next part, let us go through different ways to enhance the positive energy.

1. Emotional energy

All living beings, especially humans, carry emotions within them. Some are positive in nature like love, happiness, and some are negative like anger, fear, jealousy, etc. Positive energy raises the vibrations of the surrounding atmosphere within your home, and the opposite is true for negative emotions.

 Your family members, visitors to your home, like your friends,  guests, decide the energy level of your home, according to the emotions they carry.

2. Electromagnetic energy

All the electronic equipment like t.v., computer, cell phone, etc. emit electromagnetic radiational energy which is negative in nature. The frequency emitted by these devices is unhealthy, which disturbs the normal functioning of our body cells.

3. Physical vibrational energy:

 As I said earlier, all the nonliving and living beings vibrate in a particular frequency. The vibrational frequency of glass in your home is different from that of the wooden door. Even different colors have their individual vibrational frequency which does not match with each other. As your home is made up of a bunch of all these matters, the energy level depends on their arrangement, quantity, color, etc.

4. Magnetic (directional) field energy:

 Our Earth carries a magnetic field, with the north and south axis. So the orientation of our house becomes an important factor in energizing and filling with positive energy. The direction of the opening of the main door, the position of your kitchen and bedroom, ample ventilation, air circulation, etc. are some factors that decide the amount of positive energy carried by your home.

5. Lifeforce energy:

 This energy is omnipresent in the whole of the universe. You can trap them by the pyramid, dome,arch-like structures, or by keeping items of that shape in your home. Some plants like white basil, bamboo plant(feng shui), money plant do that job for you.

                                                                                                                              continued 👉


Selecting a right site(plot) to build your own house./Checklist to buy a land.

Before buying a site to build your own house, you have to survey all the pros and cons as per your budget and requirement. The following are the 10 main things (checklist), which should be considered, for buying a site (plot).

Building site

1.  Size of the plot:

 First, you have to figure out the area of the house which you want to build on the site. Draw a rough plan of the house including all the necessary things needed by you and your family members.
 After calculating the house area, add the offsets on all four sides as per the building bylaws of that region, where you want to build your home. Include predecided open space, vehicle parking area, garden area, to get a clear picture of the land area which you intend to purchase.

2.  Your budget:

 First, you calculate the amount which you can allocate for the site so that in the remaining amount you can build your dream house with the needed facility. Check out for the bank loan facility, and the margin amount which you can afford, to arrive at the budget size. This calculation gives you to filter out unnecessary findings and waste of your time.

3.    Locality:

 After fixing your budget and the size of the site, now you can search them in those localities of your interest, narrowing your preferences in selecting the right site.

  After preparing the list of a handful of site area, now the next question which comes into your mind is, which is the best site for me to build my house? To solve that question, you go through the following checklists, to have a clearer idea.

4.  Ground stability:

 Check the soil type of the site, by testing some samples. Unstable earth with low bearing capacity will increase the foundation cost and in turn, it will affect your budget.

5.    Utilities

Check out for the drainage facility, water supply line, electric supply with the nearby connection point, gutter for the rainwater, etc,.and compare them in all of the sites lists.

6.  Accessibility:

 Check out for the good road connectivity, schools,  colleges, public transport facility, grocery market, hospitals, etc. Later on, this cost of transport will add to your monthly budget.

7.  Atmosphere:

 Check out for the availability of sunlight for your solar panel, air circulation, ventilation, nearby gardens for morning walk, etc. If there is a tall structure nearby, which blocks all such basic needs, it is better to drop such sites from your list.

8.  Ground level

Always the ground level of the site should be nearer to or above the road level. Filling the ground will add extra weight to your budget.

9.  Disturbances


You have to make a good survey of the area, for nearby railway tracks, home industries, factories, they create air and noise pollution disturbing your mental peace.

10. Positive energy and Vastu:

Vastu Purusha.

When you enter the site area, it should give you a refreshing filling which indicates the positive energy circulation on site. The site should be of uniform size(triangular plot should be avoided) with the east-facing road as the site entrance(as per Vastu).

After finishing all these checklists, you will arrive at the right decision to buy the best site to build your dream home. 

Shower head filters

shower head filters/shower filters/advantages of shower filters
shower head filter
                The filters, that are used in the showers to remove harmful chemicals, chlorine minerals, and microorganisms from hard water and making it into healthy and soft water as needed by your hair, skin, and body are referred to as shower head filters.

They come either as inbuilt system type or attachment from outside to the existing system.

The filter media needed to be replaced at regular intervals depending upon its size, type, and capacity. The time period usually ranges from 3 months(or 3000-gallon water) to one year(or 13000-gallon water)

Several filter media like ceramic balls, activated carbon, zeolite, K.D.F., clay balls, magnesium balls, far infrared beads, ion exchange resins, vitamin c, etc were used in forming the filter layers. Each type of filter media has its own contribution, in softening cleaning and enhancing the quality of water. So they were used in multilayers, forming stages one over the other.

The price of the shower filter depends upon its replacement time, functionality, filtering capacity, usability etc.

The advantages of using shower filters are, it reduces dandruff formation, prevents hair loss, lessens eye irritation, reduces skin allergy, rough and cracked skin problems etc.if caused due to using the existing tap water.

Nowadays, a wide range of shower filters are available in the market and you can go for the one which suits your need.


Difference between moorum and soil

Moorum( or murum) is the word derived from the Tamil language, which means powdered rock.


Moorum is also a type of soil, mostly used for construction purposes. Generally,  it is deep brown or red in color. Moorum is used in plinth filling, road pavements, backfilling in trenches, footing pits, etc. It is a suitable type of soil in the construction field, since it does not contain any organic matters and can be compacted easily forming hard surfaces.

The soil is defined as a complex mixture of minerals, gravels, organic matters, rock particles, etc. In other words, the soil is the upper crust of the earth, supporting animals and plants growth with countless organisms within it.



What is garden ornaments?/Garden ornament and its types

Garden ornaments are the items or articles used in the gardens, parks and in landscaping to enhance the beauty and appearance to have a pleasing look.

what is garden ornaments?/garden ornaments and its types/different types of garden ornaments
Garden ornament
They are made up of weather resistant materials like stone, concrete, terracotta, ceramic, rustproof alloys and metals, synthetic materials like resins, plastic polymers etc. Garden ornaments can be broadly classified as follows.

1.Garden plaques

They can be either horizontal or vertical wall plaques. They appear in huge patterns with scripts and carvings to represent history, name, memorial or certain garden signs.

2.Garden statuary:

 The statue can be of anything like birds, insects, animals, plants, angels etc. They are placed depending on the surroundings like the tortoise in the pond, butterfly in a garden, which fits accordingly to give a natural look.

3.Garden fountain:

 Fountains are the main center of attraction in public parks and gardens. They are decorated with lights of different colors, which gives a must-see look at the night time.

4.Garden urns:

 They are the decorative type of ornaments usually placed on either side of the pathway or at the entrance. They also serve as beautiful planters with artistic look.

5.Garden obelisks:

They are made up of different materials or as living obelisk by cutting and shaping the plant. The plant needs to be pruned periodically to maintain its shape.

6. Garden arches:

 Similar to the obelisk, they are either living or non-living ornaments. Plants were allowed to grow on arches to give them pleasant look.

7.Garden ponds and bridges:

 The inclusion of a water body with cross over bridges gives a broader look to the parks, which attracts more public, especially children.

8.Garden hanging:

 Birds nest, wind chime, artistic pots, artificial fruits etc. are some examples which are hanged to decorate the garden. Such type of ornaments can be mostly seen in home gardens.

9.Garden furniture

They serve two purposes in the gardens and parks. You can sit and relax over them and also they add their contribution to the decoration of gardens.

To have a clearer idea with images, for all the above said 9 types of garden ornaments,you can watch the video given below.



Field test for good quality of burnt clay bricks.

Now let us see the different types of field tests to find out the good quality of burnt clay bricks.
Burnt clay bricks

 1.  Shapes and sizes

It should have sharp edges with uniform shape and size. The maximum allowance at both ends should be  ±3 mm.

2.   Colour test:

 It should be in deep red or copper-like color. Black or clay-like color indicates the brick of low quality.

3.   Sound test

When two bricks were stuck with each other it should give a clear metallic sound.

4.   Hardness test

When we scratch the brick with our fingernail, it should not leave any impressions. Such bricks are considered as good quality clay bricks.

5.   Drop test

When dropped from about a  height of 1.2 mt. to 1.5 mt., the brick should not break into pieces to ensure its good quality.

    Watch the video given below to see the clippings of all the tests.


Calculating the volume of cement bags in cubic meter, cubic feet, & in liters.

Cement bags

As you know, the density of cement is 1440 kg/cum.

The weight of one bag of cement is 50 kg.

From density, we know that 1440 kg of cement will be one cum. by volume.

To get the volume of 1 bag of cement in cu.m., we will divide 50kg. by the density of the cement.

        i.e.        50 kg ÷1440 kg/cu.m.
                    = 0.03472 cu.m

Since 1 cu.m is equal to 1000 liters,

The volume of one bag of cement in liters

                 =      34.7 liters.

Similarly, the volume of cement bag in cu.ft.

               =   1.226 cu.ft. 

(as 1 cu.m =35.315 cu.ft.).


Different types of bricks/blocks used in construction.

Now let us go through the different types of bricks/ blocks which are used in the construction industry.

CLC. blocks

1.  Burnt clay bricks:

 These are the traditional type of bricks, manufactured by using clay as raw material and burning them in a kiln.

2.  Fly ash bricks:

They are manufactured in a hydraulic pressing machine, followed by water curing. The ingredients used are fly ash, cement, grit, and sand.

3.  Concrete blocks:

 These blocks are manufactured by hydraulic as well as manual machines. They are pressed in a mold of different shapes and sizes.

 Mainly they are classified as,
 a)   Solid concrete blocks and
 b)  Hollow concrete blocks.
Raw materials used are cement, sand, grit, and aggregates.

4.  Compressed mud blocks:

 Raw materials used are soil, cement, lime, and gypsum. Here the soil should have certain criteria, which are used in making these types of blocks. They are compressed in machinery either manually or mechanically and then cured to gain strength. The shades of these blocks changes as per the soil type and its color.

5.  C.L.C. blocks:

 The full form is cellular lightweight concrete blocks. Raw materials used are cement, foam, fly ash, or sand. As the name suggests, light wt. is achieved by using foams in the ingredient. They come in different densities with varied shapes and sizes.

6.  A.A.C. blocks:

Autoclaved aerated concrete blocks are also lightweight blocks, similar to c.l.c. blocks. But the manufacturing process differs in both these types of blocks. These types of blocks are cured in autoclave chambers for a short period of time. Raw materials used are cement, aluminum powder, gypsum, fly ash, or sand.

7. Sand-lime bricks: 

They are also known as calcium silicate bricks. Raw materials used are sand lime and gypsum.

8. Refractory bricks:

 These types of bricks are used in foundries, as they can sustain high temperatures and reduce heat loss. Aluminum silicate is the key ingredient, which contributes these properties to the brick.

If you feel like seeing images of all types of bricks/blocks with an explanation, you can watch the video given below.


Field test for good quality of cement

field test for good quality of cement/field test for cement/cement tests/different site test for cement
Following are some field tests, that should be carried out to know the quality of cement.

 1.     Date of packing:

 It should be within 3 months at the time of purchase.

2.      Lumps test:

 It should be free from any lumps which might be formed due to the atmospheric moisture.

3.    Colour test:

 Cement should be of uniform grey color, with a light green shade.

4.    Float test

When little quantity of cement is poured into a bucket of water, some part of it should float on water for a few seconds, forming pockets before sinking.

5.   Setting test:

 A thick paste of cement should be applied evenly over the piece of a glass. After an initial setting time of 30 minutes, it should be kept in water for 24 hours. Next day, when you test the cement, it should be hard in a single piece, if it breaks into several pieces then the cement is not of good quality.

6.   Adulteration test:

 When cement is rubbed between two fingers, you should get the smooth feeling of fine powders. If you feel the rough grainy texture, then there is a possibility of adulteration.

7.  Temperature test: 

When kept over the palm, you should feel the normal atmospheric heat. It should not be much warmer.

For a better explanation, you can watch the video given here.


Calculation of water stored in a rectangular tank.

Let us consider a rectangular tank of size as given below.

water capacity of rectangular tank/rectangular water tank/calculation of water stored in a rectangular tank
Rectangular water tank


                  Length = 10ft.     Width = 7ft.       Height = 5ft.

                 Volume = L × W × H
                              = 10ft .× 7ft .× 5ft.
                              = 350c.ft.

Now as you know  1 cft.=28.317 liter.

 Converting volume into liters,

 350 × 28.317 = 9910.95 say  9911.0 litres

So the water that can be stored in the water tank is 9911 liters.

Converting it into gallons,

 1 gallon = 3.785 liters.

Water stored in gallons = 9911 ÷ 3.785 = 2618.5 gallons

If you need a better explanation, then please watch the video given below.


Difference between asphalt, bitumen and tar./What is asphalt, bitumen, and tar

   Asphalt, bitumen, and tar is defined below.

Asphalt road


It has two basic ingredients. Stone aggregates, sand, and gravel form the first part with a 95% share and 5% of bitumen as the other part. Here, bitumen is the binder material, which holds together all the ingredients. The primary use of asphalt is in road construction. They are manufactured in hot mix plant under a certain temperature. In America, asphalt also refers to bitumen.


It is the black viscous liquid, which is used as a binder material in making asphalt. It is a hydrocarbon, obtained naturally or as a residue in the distillation of petroleum. Bitumen is used in making paints, roofing materials etc. other than road works.


 It is the thick black liquid produced by the destructive distillation of coal. In the process of manufacturing coke and coal gas from coal, tar is produced as a by-product. Used in making paints, synthetic dyes and in manufacturing medicines, related to the skin symptoms. Since it is carcinogenic in nature, its usage is limited in making tar roads.                                                                 

Mini soil compacting tools/Soil compaction machinery

Soil compaction tools are construction equipment, which is used to consolidate soil and hence to increase the load-bearing capacity of the soil. Now we will see the mini compaction tools, used particularly in building and trenches.

They are broadly divided into 3 main types.
soil compaction rammers,soil compactor,hand rammer,construction equipment
compaction rammer

1.  Rammers

Compaction is achieved by the impact load generated by the tool. They are, either manual or mechanical types to work with. Most suitable for cohesive soils as these types of soils can be consolidated in a better way by impact load. Since the working area of these tools is small, they are ideal for trenches and small pit,  where operating another type of compaction tool is not possible. 

2. Vibratory plate compactors:

Here the compaction is done by the vibratory action and dead load of the machine. Unlike rammers, the area of the base plate is more which covers a larger space area during compaction. But the effective compaction depth will be normally between 15cm. to 40cm.  for soil layers. They are most suitable for granular soils. They are either single direction or reversible direction type of plate compactors. Reversible compactors are heavier with a larger base plate and can be moved in both forward and backward motion.

3.  Hand roller compactor

They are, either manual or mechanical types of roller compactors. In manual type, the roller is made of stones, concrete, or steel materials to carry weight, where consolidation is achieved only through the dead weight of the machine. But vibration with deadweight gives better compaction in mechanical rollers.

 Mechanical rollers are further subdivided into single drum type and double drum rollers according to the no. of drums carried by the machine. The small water tank is provided over the machine to drip water over the roller at the time of compaction.

To have a better understanding, it is advisable to watch the video given below which carries an explanation with images.


Different types of concrete vibrators.

Concrete vibrators are construction equipment, used to consolidate wet concrete through vibration to achieve dense concrete. Following are the 4 types of commonly used concrete vibrators.

1.   Needle or immersion vibrator:

 They are also called poker or internal vibrators. These types of vibrators are driven either by kerosene, petrol, and diesel engines or by electric motors. Working efficiency will be more as they come directly in contact with the concrete. The flexible shaft rotates an eccentric weight inside the poker which creates vibration through oscillation.

  2.   External or shutter vibrator:

 They are clamped to the formwork from outside to achieve compaction to the concrete poured from inside. They are clamped either vertically or horizontally at required intervals and their position is shifted as the concrete work progresses. These vibrators are not efficient as compared to poker vibrators. But in the areas where you can not insert poker to work with, this type of vibrator is used.

3.   Vibratory table:

 This type of table is used for compacting precast concrete products like pavers, RCC doors, RCC windows, cement poles, etc. The vibrator is attached beneath the table and the concrete is poured into the molds, which is kept over the table In the laboratory also, to carry out tests, this type of table is generally used.

4.   Surface vibrator:

  They are of two types.

a. Screed vibrator:

They vibrate the concrete from the surface at the time of screeding work. Effective up to the depth of 250mm. It is used in horizontal concrete works like cement flooring, PCC works, etc.

b. Pan vibrator: 

They are also called plate vibrators. Similar to the screed vibrators they are used over horizontal concrete surfaces. But here, the vibrator is clamped to the base plates.

5.   Rebar shakers:

These tools are held over or attached to the rebar that is immersed in the green concrete. They vibrate rebar's which in turn transfers the vibration to the concrete.

For a better understanding, watch the video given below, where all the four types of vibrators were described with individual images.



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