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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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LUE
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 adverse effects on appearance. Sometimes several cracks go unnoticed for years which affect ..................[:=> 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 in col..................[:=> 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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VENTION OF CORROSION IN REINFORCEMENT
Seal the surface of the concrete
Modify the concrete to reduce its permeability
Protect the reinforcing bars to reduce the effect of chlorides
Corrosion controlling steps
Good concrete practice
Latex modified concrete
Silica fume concrete
Epoxy coated reinforcement
Providing membranes and sealers
Cathodic protection
Electro osmosis
Inorganic corrosion inhibitors
Organic corrosion inhibitors
Good Concrete Practice
Specify and introduce Chloride limit
Maintain a low water-cement ratio in concrete
Provide adequate cover to the reinfor..................[:=> 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
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g wide different elastic properties are built together under the effect of load, different shear stresses in these materials create cracks at the 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 re..................[:=> 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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Hi,
I am a final year civil engineering student. I have to be presenting a seminars ..................[:=> Show Contents <=:]



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