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Summary of E-Conf Day 1

 
This forum is locked: you cannot post, reply to, or edit topics.This topic is locked: you cannot edit posts or make replies. Thank Post    www.sefindia.org Forum Index -> E-conference on Durability of Concrete - Feb 27 to March 11 - 2012
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vikram.jeet
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PostPosted: Mon Feb 27, 2012 4:26 pm    Post subject: Summary of E-Conf Day 1 Reply with quote

Live  - - - -    Live   Long and  Healthy

We are discussing  about the Durability of Concrete  ,a  topic of utmost importance equally  to all Engineers ,Builders and Users of structures .

Durability is the technical  description  of Longevity. All constructions , since the  time immemorial , aimed for longevity of structures in whatever forms they were , and with  whatsoever materials available during the  times.Man's quest for Durability  never  ended and will continue to find solutions in changing times with regard to construction boundaries ,construction  techniques with usage  of superior  materials.

Presently we are  in arena of  High Strength  Concrete and High Tensile Steel reinforcement and discussions in  the subject e -conf are  aimed to have views from wider spectrum of experts and intelligentsia of  Engineering related to this field. Sefi Admin Madam Alpa Sheth must be complimented for  initiative and efforts  in arranging this E- conference .

Since Yesterday, fruitful discussions have been taking place in  the e-conf.  A welcome note at the outset of e- conference from Dr N.Subramanian sir ,a well known  luminary at sefi and Author of many books, is very thought provoking . The fact that concrete is the next to water in  human consumption is really interesting . The Olden  structures &  monuments  have passed  the Durability  test by standing  to the time  even today  but whether Modern structures  designed with computer  perfections  and  built in highly merchandised  scenario will  able to fulfill the durability  requirements  especially in more polluted environment  of CO2 and chemicals.

Mr Vijay Kulkarni   is highly accomplished and  expert of this field as  already  introduced by Madam  Alpa Sheth  , and posting from him reg crucial  issues provides real brain storming on the subject topic. While old concrete structures   are standing to the test of time , some modern concrete structures show signs of deterioration  early ,especially in coastal areas .Use of RMC with captive
batching / mixing plants is real achievement of modern technology on concrete  preparation but culture of QC is still wanting with many RMC suppliers.

Training and educating site supervisors who handle RMC works  is very much needed. There is a separate code on RMC but many clients  still quote IS 456 in specifications of RMC which leads to  cause of conflict. Mr Kulkarni feels that IS 456 provisions needs
to be reviewed for  now , to keep pace with research  in respect of  Concrete Durabilty.

Other postings  from sefi regular  Er  Arun Kashikar is worth noting regarding use of EPS concrete (light weight and 6Mpa strength) for shear walls but how  for the use of 6Mpa concrete is suitable from durability is a matter of  concern expressed by him.

Posting from Er JigneshV Chokshi emphasizes on the  right material  selection , mixing  transporting and curing of concrete while describing the durability as team effort of various ingredients forming conc .

Thanking all participating in e-conf and hope to learn more in coming days during the conf.

with best  regards

vikramjeet
Conf - Raconteur

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