CHALLENGES IN DESIGN & CONSTRUCTION OF STEEL INTENSIVE - - PowerPoint PPT Presentation

▶
challenges in design construction
SMART_READER_LITE
LIVE PREVIEW

CHALLENGES IN DESIGN & CONSTRUCTION OF STEEL INTENSIVE - - PowerPoint PPT Presentation

Jan 22, 2024 30 likes •620 views

CHALLENGES IN DESIGN & CONSTRUCTION OF STEEL INTENSIVE STRUCTURES Debashis Datta & Arijit Guha Assistant General Manager (Civil & Structural) INSTITUTE FOR STEEL DEVELOPMENT & GROWTH (INSDAG) 793 Anandapur, Kolkata 700 107 1

slide-1
SLIDE 1

1

INSTITUTE FOR STEEL DEVELOPMENT & GROWTH (INSDAG) 793 Anandapur, Kolkata 700 107

CHALLENGES IN DESIGN & CONSTRUCTION OF STEEL INTENSIVE STRUCTURES

Debashis Datta & Arijit Guha

Assistant General Manager (Civil & Structural)

slide-2
SLIDE 2

2

 High strength-to-weight ratio

Ductility Malleability Easy to give desired forms Design light weight Structure Design durable Structure

Steel has some unique properties

slide-3
SLIDE 3

03-Jul-18 3

  • Large span Structures with Steel
  • Fast track construction
  • Save

Interest during Construction (IDC) & early generation of revenue or early occupation possible

  • Corrosion in steel use
  • Painting technology : 25 years maintenance free

paints

  • Commonly 120 - 150 GSM Hot dipped Galvanisation is

done

Advantages & Myths

slide-4
SLIDE 4

03-Jul-18 4

 Fire protection  Intumescent paint or Vermiculite plaster increase fire rating  Fire protection offered by composite deck & columns by sinking effect being in touch with concrete

Protection against Fire

slide-5
SLIDE 5

03-Jul-18 5

  • Challenging

design feasible to easy fabrication & erection / dismantling – Construction through Destruction

  • All aspects of best design and construction practices

to be adhered to while developing some innovative design

  • Steel Structures 10-15% costlier than conventional RCC

Structure but saves about 40-50% Construction time

  • Steel-Concrete composite Structures 8-10% cheaper

than conventional RCC Structure & also save 25-30% Construction time

  • Steel is basically used in skeleton of the Structure as

beam and column

Achievable Design Feats

slide-6
SLIDE 6

03-Jul-18 6

 Steel decking material for concrete floors –Non- Composite/ Composite  Composite Deck reduces thickness

  • f

Concrete making building lighter  Lighter Structures attract less tremor from earthquake  Lighter Structures are Wind sensitive  Lighter Structure offers cost effective design for the foundation  In composite available headroom is more or additional floors are available

BENEFITS IN DESIGN

slide-7
SLIDE 7

7

  • Steel, if earthed properly no chance of electrocution
  • Detailed as concealed material for safety
  • Steel 100% recyclable, hence development sustainable
  • Steel industry reduced energy consumption by 60% in

the past 3 decades

  • Comparative sustainability achieved by use of more

Steel

  • Rolled/Built-up sections – Angles, Channels, I / H

Beams

  • SHS; RHS & CHS
  • Type of connections – Bolted or Welded; Rivet
  • bsolete

Electrical Protection Sustainability Sections & Connections

slide-8
SLIDE 8

03-Jul-18 8

Balanced Structural System

with all possible load combinations is designed for:-

Carry dynamic and static vertical loads  Carry horizontal loads due to wind and earthquake  Resist stresses for temperature and shrinkage  Resist external and internal blast and impact loads  Robustness against fatigue and damping vibrations

Satisfying:- Architectural, user / owner’s requirements  Facilitate service systems like heating, ventilation, air-conditioning,  Facilitate simple and fast erection of the building  Adequate resistance to fire  Enable the building, foundation and ground to interact properly  Be economical

slide-9
SLIDE 9

03-Jul-18 9

TECHNICAL ASPECTS IMPROVING PERFORMANCE & REDUCING COST OF STEEL INTENSIVE BUILDINGS

  • Optimisation from Planning stage – regular features
  • Less kinks in building plan ensuring low Stress

concentration

  • Vertical bracing system along both orthogonal directions
  • Large span beams more sagging action (for Composite

beam)

  • In High-Rise horizontal belt trusses at regular intervals
  • Stays at the junctions of beam-column reducing storey

drift

  • Centrally located Shear Wall system; IBC Dual System
slide-10
SLIDE 10

03-Jul-18 10

Modern Construction Methodology

  • Serviceability Conditions including the vibration
  • Architectural aspects
  • Structural strength verifications
  • Material and Geometric properties
  • CRIL, STEELFAB manufacturing embossed profiled steel

sheets

  • Profiled Sheets at competitive price, will increase

Composite Floor, support (form work) Wet Concrete during construction and replace tensile reinforcements in RCC slab

Composite Flooring System

slide-11
SLIDE 11

03-Jul-18 11

Floor System

  • major subsystem of a typical structural system

 Contributing largely to the overall cost of the buildings  Steel & Conc. using maximum material properties make building system overall economic Two-way system and one-way system Composite Deck limited to thin plated flooring system integrated with steel beams by shear studs, shot fired shear connectors/deformation of the ribs

slide-12
SLIDE 12

03-Jul-18 12

TYPICAL SECTION OF COMPOSITE SLAB WITH PROFILED STEEL SHEET WITH EMBOSSMENTS

slide-13
SLIDE 13

03-Jul-18 13

What is Pre-Engineered Building ?

Pre-engineered Buildings are a predetermined assembly of Structural members that has proven over time to meet a wide range of Structural and Aesthetic requirements.

slide-14
SLIDE 14

03-Jul-18 14

  • MAIN

FRAME OF HIGH STRENGTH HOT ROLLED SECTIONS

  • PURLINS, SIDE GIRTS, EAVES STRUTS COLD FORMED

STEEL

  • ROOF SHEETING & SIDE CLADDINGS OF PRE-COATED

COLD ROLLED STEEL SHEETS CONNECTED TO SUPPORTING MEMBERS THROUGH SELF-TAPPED SCREWS

  • FLOORS OF SHALLOW / DEEP TYPE COLD ROLLED

STEEL DECKING & RMC AS FLOORING SALIENT FEATURES OF PRE-ENGINEERED STRUCTURES

slide-15
SLIDE 15

03-Jul-18 15

SHAPE OPTIMIZATION

THE FRAME GEOMETRY MATCHES THE SHAPE OF THE BENDING MOMENT DIAGRAM FOR OPTIMAL DESIGN, THUS MINIMIZING MATERIAL WASTE AND REDUCING THE TOTAL WEIGHT OF FRAMES.

slide-16
SLIDE 16

03-Jul-18 16

  • Warehouses
  • Workshops
  • Schools
  • Office Buildings
  • Commercial Buildings
  • Retail Buildings
  • Restaurants
  • Low Cost Housing
  • Aircraft Hangers
  • Vehicle Parking Sheds
  • Petrol Pump Sheds
  • Cold Storages
  • Shopping Centers

Application Areas

slide-17
SLIDE 17

03-Jul-18 17

CODES CONFORMITY

DESIGN

a) Primary Framing System with Hot Rolled Section & Plates - IS: 800 – 2007 : Code of Practice for General Construction In Steel b) Secondary Framing System with Cold Formed Sections - IS: 801 – 1975 : Code of Practice for use of Cold Formed Light Gauge Steel Structural Members in General Construction In Steel (Under Revision)

  • r

“Metal Building Systems Manual – 2002” by Metal Building Manufacturers Association (MBMA)

slide-18
SLIDE 18

03-Jul-18 18

Some Implemented Steel Composite Structures following Design of INSDAG

slide-19
SLIDE 19

03-Jul-18 19

ISPAT PRAGATI BHAWAN

New INSDAG Office Building, Kolkata

Total Built-up Area about 30000 Sq. Ft. Total Structural Cost Including RCC & Structural Steel about Rs. 2200/- per Sq. Ft.

slide-20
SLIDE 20

HANDLOOM HOUSE (2005)

Client – CPWD (Nomination basis) Site Location – Janpath New Delhi

Total Structural Steel consumed about 1400 Tonnes Reinforcements consumed about 700 Tonnes

slide-21
SLIDE 21

INDIRA PARIYABARAN BHAWAN, NEW DELHI (2010)

3 July, 2018

Client – CPWD (Nomination basis) Site Location – Jorbagh, New Delhi

Total Structural Steel consumed about 645 Tonnes Profiled Deck Sheet consumed about 3192 sq m

slide-22
SLIDE 22

LOW COST HOUSE FOR RURAL POPULATION IN INDIA

03-Jul-18 22

INSDAG developed an innovative design and construction methodology of low cost house for poor rural population in India following Architectural guidelines of GOI under PMGAY Construction Cost Rs. 750/- per Sq. Ft. (Kolkata rates) INSDAG has applied for its patent

slide-23
SLIDE 23

03-Jul-18 23

Steel Roof of Ummulong Church, Meghalaya

slide-24
SLIDE 24

03-Jul-18 24

Guest House-cum-Marriage Hall at Howly, Assam

slide-25
SLIDE 25

03-Jul-18 25

Indoor Stadium at Lady Keane College, Shillong

slide-26
SLIDE 26

Indoor Stadium at UCC College, Shillong

03-Jul-18 26

slide-27
SLIDE 27

Supporting Structure of Mahatma Sri Junga statue at Hee Bermiok, Sikkim

03-Jul-18 27

slide-28
SLIDE 28

Indoor Stadium at Shillong College

03-Jul-18 28

slide-29
SLIDE 29

Roof of Sri Krishna Pranami Temple at Bermiok near Singtam, Sikkim

03-Jul-18 29

slide-30
SLIDE 30

03-Jul-18 30

Foot Over Bridge at Damthang, Sikkim

slide-31
SLIDE 31

(B+G+6) storeyed Super-specialty Hospital at Bongaigaon, Assam

03-Jul-18 31

slide-32
SLIDE 32

03-Jul-18 32

Refurbishing over existing masonry-cum- concrete hostels (5 nos.) at IIEST, Shibpur 2 nos. Workshop-cum-laboratories at Shillong Engineering college Fire Exit structure at Shillong Refurbishing over existing partly completed (G+7) storeyed RCC buildings

slide-33
SLIDE 33

03-Jul-18 33

Butterfly Reserve Park at Rangrang, Sikkim

slide-34
SLIDE 34

03-Jul-18 34

Steel Roof of Sokhymphor Church, Meghalaya

slide-35
SLIDE 35

35 03-Jul-18

National Student Competition for Best Innovative Use of Steel in Architecture

1999 - 2015

slide-36
SLIDE 36

36 03-Jul-18

Glimpses of Some Worthy Entries

Presentation by:

Anurag Bajpai

Ayush Jain

Prabhjot Kaur

Rishi Verma

IIT ROORKEE

(N014)

slide-37
SLIDE 37

37 03-Jul-18

Glimpses of Some Worthy Entries

INSDAG – 2005

INTERNATIONAL AIRPORT AT VISHAKAPATNAM

PRESENTATION BY ASHIM K MANNA PIYAS CHOUDHURI TEAM NO. – N 024 JAMIA MILLIA ISLAMIA

slide-38
SLIDE 38

38 03-Jul-18

Glimpses of Some Worthy Entries

IIT, Roorkee

slide-39
SLIDE 39

39 03-Jul-18

PARKING CANOPY

structure

Glimpses of Some Worthy Entries

slide-40
SLIDE 40

40 03-Jul-18

STAIRS AND ESCALATORS

WORLD CLASS TRADE FAIR COMPLEX, KOLKATA

slide-41
SLIDE 41

41

National Competition for Professionals

  • n

Structural Steel Design & Construction

2004 - 2014

slide-42
SLIDE 42

42 03-Jul-18

Glimpses of Some Worthy Entries

Infosys Office Building, Pune

  • Ar. Hafeez

Contractor Designer Construction Catalysers 100 m x 65 m tilted @ 100 six months

  • Rs. 13 crores

RCC Building with 1,50,000 sqft floor space; five floors inside elliptical steel shell

slide-43
SLIDE 43

43 03-Jul-18

Rajiv Gandhi Indoor Stadium, Guwahati

Designer: STUP Consultants Pvt. Ltd. Seats 2500 nos. people; to hold games at International levels; fully air-conditioned Plan Area 9,900sq.m.

  • Str. Steel 1,200 t

cladding material zincalume – galvalume sheets

Glimpses of Some Worthy Entries

slide-44
SLIDE 44

44 03-Jul-18

SSIT Library at Tumkur

Designer: Geodesic Techniques Pvt. Ltd. glass clad Geodesic dome & inside RCC building; highest ratio

  • f enclosed area to

weight steel consumption 12 kgs/sqm of surface area, 60% < conventional steel construction Structural Steel 35 tons Dome dia 31 m Dome height 23.65 m

Glimpses of Some Worthy Entries

slide-45
SLIDE 45

45 03-Jul-18

IBM Food Court at Bangalore

Designer: Construction Catalysers 40,000 sqft. to house various multi-cuisine restaurants 80% of work carried out at workshop

Glimpses of Some Worthy Entries

slide-46
SLIDE 46

46 03-Jul-18

Main Athletic Stadium, Hyderabad

Designer: STUP Consultants P Ltd. Rs.115 crores 18 months 25,000 spectators 175m x 250m pavilion 3,210 sq.m. galleries 16,280 sq.m.

  • f stepped seating

reinforcement 1180 t Struct steel 1780 t

Glimpses of Some Worthy Entries

slide-47
SLIDE 47

47 03-Jul-18

HCL Technologies Building at Noida

Designer: U B Rao & Co. 124 m x 52 m 10000 sq.m floor area AXZO Noble painting system for fire rating of 2 hours

Glimpses of Some Worthy Entries

slide-48
SLIDE 48

48 03-Jul-18

Autostack at Gandhinagar

  • Ar. A V Joshi

Designer: C H Shah Semi-automatic Stacker (Imported from Portugal) of books for printer 20,000 pallets 44 m x 100 m x 14.5 m

  • Rs. 7.16 Crores

Glimpses of Some Worthy Entries

slide-49
SLIDE 49

49 03-Jul-18

Hitex Trade Expo Center at Hyderabad

  • Ar. J V Consultants,

Germany Designer: L & T Ltd. Structural Steel 1110 t 2 months erection 48 m x 72 m x 10.5 m

Glimpses of Some Worthy Entries

slide-50
SLIDE 50

50 03-Jul-18

Bridge over River Barrak, South Assam

Designer: D D Sharma Seismic Zone V i.e. most severe 404.280 M.T. Erection of Steel superstructure in 5 months

Glimpses of Some Worthy Entries

slide-51
SLIDE 51

51 03-Jul-18

BRIDGE OVER RIVER SAKRI , Jharkhand

Designer : B Engrs. & Builders Length: 565 M Struct Steel: 805 T

  • RS. 12.835 CRORE

Glimpses of Some Worthy Entries

slide-52
SLIDE 52

03-Jul-18 52

BRIDGE OVER RIVER ALDONA, GOA

slide-53
SLIDE 53

03-Jul-18 53

AGASTYA AUDITORIUM, KUPPAM, AP

slide-54
SLIDE 54

03-Jul-18 54

SUNRISE TOWER DADAR, MUMBAI

slide-55
SLIDE 55

03-Jul-18 55

MUMBAI AIRPORT

slide-56
SLIDE 56

03-Jul-18 56

BANGALORE NAMAMA METRO

slide-57
SLIDE 57

03-Jul-18 57

OBSERVATIONS & CONCLUSIONS

  • COMPOSITE / STEEL BEAM HAS LESS DEPTH THAN RCC BEAM – GAIN IN

BUILDING HEIGHT – REDUCTION IN CONSTRUCTION COST

  • COMPOSITE / STEEL COLUMN OCCUPIES LESS AREA THAN RCC COLUMN
  • LARGER COLUMN-FREE AREA AVAILABLE IN STEEL INTENSIVE OPTION
  • PARALLEL CONSTRUCTION ACTIVITIES POSSIBLE IN STEEL INTENSIVE

OPTION

  • STEEL

INTENSIVE OPTION SAVES ABOUT 25-30% TIME OF CONSTRUCTION

  • LESS INTEREST BURDEN DURING CONSTRUCTION & EARLY POSSESSION

OF OCCUPANCY – EARLY RETURN OF INVESTMENT

  • USE OF MORE STEEL ENSURES QUALITY & DURABILITY
  • ABILITY TO ACCOMMODATE EXCEPTIONAL LOADINGS IN THE EVENT OF

EARTHQUAKE & EXPLOSIONS

slide-58
SLIDE 58

Following deliverables BY INSDAG  Architectural Design & Drawings  Structural Analysis, Design & Drawings  Fabrication Drawings  BOQ of Architectural & Structural items  Technical specifications for tenders  Periodic supervision

slide-59
SLIDE 59

03-Jul-18 59

hank

  • u!