Construction

Tips for Laying RCC slab / roof

 In building construction the roof or slab for roof is very important constituents. For laying RCC slab following material is required such as Raw Materials for RCC Slab / Roof

  • Cement 
  • Coarse aggregate 
  • Fine aggregate 
  • M.S. Steel bar 
  • Binding wire 
  • Water 
  • Shuttering materials such as wooden Ballies, Planks, and Iron Plates etc.            

According to work arrangement laying of RCC slab can be done in 3 stages such as formwork or centering and shuttering, bending and binding MS steel bars and laying of concrete. A.        Formwork or Centering and Shuttering                                          The formwork should be as per ( I S : 14687-1999). To retain concrete, formwork or centering and shuttering is required, which provides the support to the wet concrete until it has gained sufficient strength to be self supporting. The formwork or centering and shuttering used are from the material like timber, plywood, metal or other as per site condition and requirement.                           The shuttering / formwork should be so strong and rigid to prevent any deflection and support the load of concrete placed on it and it is water tight to prevent the loss of cement mix water from concrete mix. For more detail see the Article “Centering and Shuttering / Form Work” Link given below Bending And Binding M S steel bars  The deformed steel bars should be per (IS: 1786-1985)                       At the time of designing the slab, it is consider that concrete is strong in compressive strength but weak in tensile strength, so make the structure safe against the tensile stress, steel bars are .provided. Now a days use of TMT or Tor or Ribbed  or cold twisted deformed steel bars are in use instead of MS plain steel bars because of their more bonding strength with cement concrete  and have more compressive and tensile stress than that of mild steel plain bars.         
Spacing of steel bars                              
M S Steel bars diameter and its spacing in the RCC slab is calculated by designing the slab according to load and span of the slab. In general 12mm, 10mm and 8mm diameter MS steel bars are used in RCC slab according to the length of span of the slab and similarly spacing is from 4.5’’ to 6’’ in the main bars and 6’’ to 8’’ in distribution bars.
Try to keep steel bar used for RCC work without any joints. If it is not possible due to long length of slab or to use small length steel bars, proper overlap should be given according to specification. To know more about steel bars see the link below. 


  • Laying of Cement Concrete Mix 
After checking the formwork in line, level and strength than check the MS steel bars bending, binding, overlap and spacing etc. After steel bar bending and binding, lay the conduit pipe for electricity and fan hook etc as per requirement.        After checking the above points, place concrete or stone pieces having 12mm to 15 mm thickness under the steel bars for providing the proper cover under steel bars. Make walking way on steel bars by placing wooden plates to avoid disturbance in steel bars. Now start to lay the cement concrete mix as per design but not below the 1; 2; 4 ratio. The mix should be mechanically mixed and vibrated after laying on the slab.               

As about thickness of slab concerned, it should be according to design which is done according to load and span of the slab. In general the thickness of slab is from 4’’ to 5’’.  For more detail about laying and precautions see the link below. http://www.gharexpert.com/articles/Cement-Concrete-1730/Mild-Steel-Bars-in-Cement-Concrete_0.aspx  
After laying the RCC slab it should be cure for 28 days for getting full strength.
;
Strong brick walls are a symbol of strong building. Whole construction process somewhere depends on it. So here is a brief detail of what you need to keep in mind while brick wall construction is going on.
Brick work is an important part of construction work done with the help of bricks and cement mortar. It is done with different quality of bricks with different ratios of cement mortar according to the requirement.
Cupboards construction using different materials: Brick and Wooden Cupboards, Just Wooden Cupboards, Mesh Cement and Wood. Today lots of options are available for cupboard construction. In the article here we will discuss all the material option available for making cupboard.
Today lots of options are available for cupboard construction. In the article here we will discuss all the material option available for making cupboard.
Kota stone flooring is a subtle blend of grandeur and luxury giving the interior and exterior a gorgeous look.......
To get maximum ventilation and natural light in your house, make sure the building is properly oriented. Orientation of building saves energy and provides comfortable living as well. This article tells you about various factors and benefits of building orientation.
Preview some of the most impressive pictures of kitchen from GharExpert Gallery.
A solid roof on building is very important for everybody living in the house. The roof should be constructed in a way that assures you great safety. Here are given details about different types of roofing.
Frames of doors and windows are most important parts of your doors and windows. They are available in different size, height, width and shapes. Frames hold locks and hinges and support door and windows to shut and open easily. Here is what you need to know about different doors and windows frames.
Different steel bars are recommended for their relative tensile stresses.Steel bars are major components of construction.Here is what you need to know about steel bars (Sariya).
Brahmasthan is a powerful zone of the house. It should have open space for flow of energy in the house. The positive energy is very useful for living beings of the occupants of the house.
Brick work is an important part of construction work done with the help of bricks and cement mortar. It is done with different quality of bricks with different ratios of cement mortar according to the requirement.
Are you remodeling your bathroom? Bathroom shower doors make your bathroom a style icon. Read the following article that will help you select the bathroom shower door that will exactly suit your bathroom.
Living room or Drawing room should be located in east or north direction. The ideal location of a living room depends on plot facing.
Without knowing perfect mixture of cement and sand you can not achieve your goal.
Manufacturing date, grade and type play vital role in purchasing right cement and there should be no lumps in it.
First Class Bricks must be homogeneous in texture without showing appreciable sign of efflorescence.
A coupler connects the two pipes to each other. If the material and size of the pipe are not the same,it is called a 'reducing coupler'.
Fine sand should consist of natural sand or crushed stone sand. It should be hard, durable, clean and be free from organic matter etc. and should not contain any appreciable amount of clay balls and harmful impurities such as alkalis, salts, coal, decayed vegetation etc.
Bricks provides several choices for quality. Select a type according to your need.


laying RCC
laying RCC
Rcc Slab to Serve Purpose of Thermal Insulation
Rcc Slab to Serve Purpose of Thermal Insulation
temple,plinth structure is 10x15, total slab is330 sq. f..RCC construction
temple,plinth structure is 10x15, total slab is330 sq. f..RCC construction
Roof Slab Construction
Roof Slab Construction
Roof Slab Construction
Roof Slab Construction
Concrete roof slab cutting using core cutting machine
Concrete roof slab cutting using core cutting machine
Concrete roof slab cutting work without vibration
Concrete roof slab cutting work without vibration
concrete roof slab cutting using diamond saw core cutting machine
concrete roof slab cutting using diamond saw core cutting machine
Concrete roof slab cutting using core cutting machine
Concrete roof slab cutting using core cutting machine
concrete roof slab cutting by core cutting machine and lifting by chain block-9841125344
concrete roof slab cutting by core cutting machine and lifting by chain block-9841125344
asphalt shingle roof for gable roof
asphalt shingle roof for gable roof
RCC DOOR FRAMES
RCC DOOR FRAMES
Rcc concrete diamond core cutting/drilling contractors job work after finishing,
Rcc concrete diamond core cutting/drilling contractors job work after finishing,
Rcc concrete core cutting/drilling contractor work,padi,chennai,commercial/apartment building
Rcc concrete core cutting/drilling contractor work,padi,chennai,commercial/apartment building
Rcc Concrete beam AC pipeline outlet core cutting work,royapuram,chennai
Rcc Concrete beam AC pipeline outlet core cutting work,royapuram,chennai
Rcc concrete wall kitchen chimney exhaust outlet pipe core cutting holes,porur,chennai
Rcc concrete wall kitchen chimney exhaust outlet pipe core cutting holes,porur,chennai
Rcc concrete slab diamond core drilling work using diamond core cutting machine(hilti make,bosch,bosun),padi,chennai,
Rcc concrete slab diamond core drilling work using diamond core cutting machine(hilti make,bosch,bosun),padi,chennai,
Rcc concrete core cutting/drilling contractor work,padi,chennai,commercial/apartment building
Rcc concrete core cutting/drilling contractor work,padi,chennai,commercial/apartment building
Rcc concrete column core cutting work for dismantling,ranipet,tamilnadu,india,industrial structure,
Rcc concrete column core cutting work for dismantling,ranipet,tamilnadu,india,industrial structure,
Rcc concrete column core cutting work for dismantling,ranipet,tamilnadu,india,industrial structure,
Rcc concrete column core cutting work for dismantling,ranipet,tamilnadu,india,industrial structure,

Contact us About us
Copyright 2007- GharExpert.com All rights reserved.