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ppt about cracks in rcc structures


Posted by:
Created at: Thursday 04th of April 2013 03:50:44 AM
Last Edited Or Replied at :Friday 05th of April 2013 01:52:59 AM
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CRACKS IN BUILDING


Posted by: seminar class
Created at: Wednesday 23rd of March 2011 12:10:10 AM
Last Edited Or Replied at :Wednesday 23rd of March 2011 03:39:33 AM
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T SPOIL THE APPERANCE OF BUILDING
3. DAMPNESS IN THE BUILDING
4. REDUCE IN MARKET VALUE
5. INCREASE IN MAINTAINENCE COST
Most cracks occur due to drying of construction water.
• These are generally superficial
• Do not affect the serviceability of the building
• Can be easily repaired
If cracks are more significant, repair work may be repeated periodically.
Structural significance of the cracks tends to be exaggerated by a natural reaction of the owner.
Many cracks do not have any effect on the stability of structure, because of “high factor of safety”.
Cracking has advers..................[:=> Show Contents <=:]



ppt about cracks in rcc structures


Posted by:
Created at: Thursday 04th of April 2013 03:50:44 AM
Last Edited Or Replied at :Friday 05th of April 2013 01:52:59 AM
cracks in rcc structures, steel structure over rcc structure , crack in rcc ppt, ppt about cracks in rcc structures , seminar on r c c structure, seminar rcc structure ppt , structural cracks in rcc buildings ppt pdf, seminar on cracks in structural ppt , ppt on cracks in rcc,
i want ppt about cracks in rcc structure to present it..................[:=> Show Contents <=:]



Protection repair and maintenance of rcc structures


Posted by: smart paper boy
Created at: Monday 18th of July 2011 04:24:19 AM
Last Edited Or Replied at :Monday 18th of July 2011 04:24:19 AM
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ctice
Specify and introduce Chloride limit
Maintain a low water-cement ratio in concrete
Provide adequate cover to the reinforcing steel
Provide adequate curing
Use of water-reducing admixtures
Consolidating the concrete thoroughly
Use post tensioning
Include provision for immediate repair of cracks
Use of Latex Modified Concrete
Latex modified concrete is prepared by adding liquid styrene butadiene latex to conventional concrete
Latex modified concrete should be placed in the evening or at night to reduce cracking
Use of Silica Fume Concrete
Silica fume reacts with calcium ..................[:=> Show Contents <=:]



CRACKS IN BUILDING


Posted by: seminar class
Created at: Wednesday 23rd of March 2011 12:10:10 AM
Last Edited Or Replied at :Wednesday 23rd of March 2011 03:39:33 AM
download cracks in buildings, ppt regarding cracks in structures , project on structural cracks in buildings, seminar cracks in building reports , cracks in buildings repair, ppt on cracks in buildings , causes prevention and repair of cracks in building in civil engineering, cracks in buildings , cracks in buildings ppt, ppt about cracks in rcc structures , major cracks in buildings, factors affecting cracking in buildings , building have many cracks, residential building cracks , expansion cracks in building, cracks in building , diagonal cracks in a building, how to repair rcc slab , plinth beam construction ppt, crack treatment for rcc slabs , crack building ppt,
e junction. Dead and live loads cause elastic deformation in structural components of a building.
Chemical Reaction
Chemical reactions in building materials increase their volume and internal stress causes cracks. The components of structure also weaken due to chemical reactions. Some common instances of chemical reactions are following.
• Sulphate attack on cement products
• Carbonation in cement based materials
• Corrosion of reinforcement in concrete
• Alkali aggregate reaction
Certain chemical reaction in building materials result is appreciable change in volume ..................[:=> Show Contents <=:]



Prevention of water leakage through construction joints in rcc structures


Posted by: leo_chandu
Created at: Friday 11th of March 2011 01:18:47 AM
Last Edited Or Replied at :Friday 11th of March 2011 01:18:47 AM
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year civil engineering student. I have to be presenting a seminars on prevention of water leakage through water contact rcc structures. It would be helpful if you can send me a report or a ppt on it.
I would want to know which are the methods followed, which is the most efficient an..................[:=> Show Contents <=:]



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