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Vibration Problems in StructuresDescripción completa
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Vibration Problems in StructuresFull description
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Precast buildings in India by Sthaladipti Saha Chief Engineering Manager Larsen & Toubro
Introduction…
Precast concrete construction in India With the advent of precast concrete construction in India post independence, L&T has used this method of construction to gain a stronghold in the construction sector. The methodology followed was the setting up of a site prefabrication yard close to the project site for ease of transportation and use.
Introduction…
Precast concrete construction in India With the advent of precast concrete construction in India post independence, L&T has used this method of construction to gain a stronghold in the construction sector. The methodology followed was the setting up of a site prefabrication yard close to the project site for ease of transportation and use.
27.7m precast concrete roof truss – Foundry for Grindwell Norton at Renigunta
Roof elements . . .
Truss
18m span diamond shaped precast concrete truss with rafters and purlins as north light roof system at EWL, Chennai 16m span precast concrete truss
Roof elements . . .
Truss
13.5m span north light precast concrete portal during erection – L&T McNeil at Chennai 22m precast concrete portals with 8m span precast purlin – Heavy Engineering Workshop at L&T Hazira
Roof elements . . .
Shell
Erection of HP shell – Finishing shop at L&T Bengaluru works
HP shell roof – L&T Bengaluru works
Roof elements . . .
Silo
43.5m precast prestressed concrete truss (in 3 pieces) and slabs as roof for silo at Kakinada
Roof elements . . .
Silo
55m span urea silo at IGFL Jagdishpur
Waffle slab
Roof elements . . .
Cyber park, Hyderabad
Convention center, ECC HQ campus
Columns & Beams. . .
ITC Badrachalam •
15m precast columns
Pipe rack. . .
Pipe rack. . .
Pipe rack. . .
Pipe rack. . .
Pipe rack. . .
Pipe rack. . .
Casting
Curing
Pipe rack. . .
Erection
Pipe rack. . .
Precast concrete trestles used for pipe rack structure at Kothari caustic soda project at Manali
Special structures . . .
Bengaluru International Airport Size
24 x 6 x 3m
Wall panels. . .
Wall panels. . .
Wall panels. . .
Wall panels. . .
Beer bottle finish on the outside surface of precast wall panel at L&T Bengaluru works
14m high 2.5m wide precast concrete
Wall panels. . .
School rooms at Gujarat • •
6000 school rooms Each of 54 sq.m. BUA
In stacking yard
Curing tank
Compound wall. . .
Miscellaneous. . .
Precast concrete water tower with beer bottle finish on the outside surface at L&T Bengaluru works
15m span conveyor galleries in precast concrete at Awarpur cement works
Stadiums
Miscellaneous. . . Elliptical roof made of 120 V-type folded plates of 40m span – Kanteerava indoor stadium in Bengaluru
Precast roof element and gallery units in Jawaharlal Nehru Stadium at Chennai – built in 260 days
Miscellaneous. . .
Precast „L‟ shaped duct units in staking yard
EDRC building, ECC HQ campus
Miscellaneous. . .
Box culvert under pavements
Delhi International Airport Precast element size – 2.0m X 1.5m No of Pieces – 1200 Pieces of 1.2m length 2.4 Kms completed in 4 months •
•
Delhi International Airport Precast pipes
Miscellaneous. . .
Miscellaneous. . .
Delhi International Airport Precast baggage handling tunnel • • •
Precast Tunnel Element size 4.43m X 2.8m of 1.2m length Precast tunnel length – 700m
Conclusion…
Precast concrete construction in India – the future . . . Increase in urbanization and consequent shortage of skilled labor and better infrastructure will require construction to focus more on industrialized methods of construction like prefabrication. Move from site Prefabrication to Plant prefabrication . This will lead to speed, economy and reduce the need for skilled manpower. L&T is setting up a Hollow core factory inline with the changing scenario.
