| Topic : Construction Materials |
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Construction Planning & Management
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Activity:
Question posted: 02 02 2009 08:51:57 +0000,
7 answers, 309 views, last activity
07 18 2010 08:40:19 +0000
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Cold rolled sections , made by 1.5 to 2.5mm th MS or GI plates are very effective & easily availabe in market.
Even for the Primary str steel as a truss or rafter , for some projects like ware houses - peoples are using this CR members.
Use of steel has to stay for many more days. Aluminium is highly energy- intensive and very costly still for the users in India.Their are strictly"no no"to green and energy-efficient campaigners. Use of Timbers is banned in Govt.sectors since long to save forestry. Be very careful while using Pre-Engineered buildings for your specific use. The suppliers give such manipulative offers that you may be fooled anytime.If you intend for durability of such thin-walled and cold formed structures, with paintings and its preparations those will be costlier.Once I asked them to submit the data they had assumed, and I found them violating all BIS norms and declared that all of their hundreds of clients are happy.Who is going to verify? Once I was asked by a client of Steel making unit to verify and vet their offers, and I was chilled to find that the web thickness of their 22m high structural special columns are 4mm thick!Imagine the fate of their proximity to hot metal laddles at a distance of 1m with hot metal at 1700 degree celsius.May god save such clients who want things cheap, quickly and do not want to take the botherations of constructions, !
It is but that depends on factor 1)What cost, 2)convinience of usage, 3)availibility
Aluminium truss is used in place of steel truss due to its light weight & easy handling. Wooden doca beams too are being used in place of rolled steel beams. The bottomline is the alternatives to steel that is easy & safe to handle is being preferred. The coming days may see more alternatives.
first thing , why, RCC is the optimise meterial in india in all points of view, once we have the poper skilled lobour, after we will think for alternative, we can use the atternatiive , its depend on the project shedule.
how to differentiate the ordinary tile and vetrified tile, and how to check the tiles quality
The secondary steel segment include mini blast furnace units, sponge iron producers, induction furnace (IF) and electric arc furnace (EAF) units, re-rolling (RR) units, hot rolled (HR) units, cold rolled (CR) units, galavanized/color coated units, tin plate units and wire-drawing units. While production from sponge iron units tops the list with availability
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