design and analasys of a g+3 residential building using staad
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A PRESENTATION ONANALYSIS AND DESIGN OF A G+3 RESIDENTIAL BUILDING
USING STAAD PRO
CH.Gopi chand
Civil engineer
SRI VENKATESWARA ENGINEERING COLLEGE
PRESENTING BY:
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ANALYSIS and design of (g+3) RESIDENTIAL BUILDING
using staad
By
CH.Gopichand
Department of Civil Engineering
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Objectives
The Objectives of the Project are:-
Carrying out a complete analysis and design of the main structural elements of a multi-storey building including slabs, columns, shear walls.
Getting familiar with structural soft wares ( Staad Pro ,AutoCAD)
Getting real life experience with engineering practices
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Staad pro staad foundation auto cad
softwares
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SummarySummary
Our graduation project is a residential building in Hyderabad. This building consists of 3 repeated floors.
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Structural analysis and design
Structure ,analysis, design?
What is staadWhat is staad??
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Advantages?Analysis and design of rcc, steel, foundations, bridges etc.
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Why staad?Why staad?
An hourFor a building with
several beams and columns?
At least a week.
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Robot, SAP200, Struds, FEA software, , SAP and GTSTRUDL
Alternatives?
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Types of buildingsTypes of buildings
Buildings are be divided into:
◦ Apartment building Apartment buildings are multi-story buildings where three or more
residences are contained within one structure. ◦ Office building
The primary purpose of an office building is to provide a workplace and working environment for administrative workers.
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Residential buildingsResidential buildings
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Office buildingsOffice buildings
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planplan
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Center line plan
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Total area 1120 sq .m
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Flow diagram of design & analysis of structure in staad
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
• Live load
• Dead load
• Wind load
• Floor load
loads
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
Vertical Loads1.Dead2.Live3.Snow4.Wind4.Seismic and wind5.Seismic
Horizontal(lateral)loads
1.Wind2.seismic3.flood4.soil
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
Forces Acting in StructuresForces Acting in Structures
Vertical: Gravity Lateral: Wind, Earthquake
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
Loads that may change its position during operation. example: People, furniture, equipment.
Minimum design loadings are usually specified in the building codes.
Given load:25 N/mmAs per IS 875 part ii
Live LoadsLive Loads
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
Loads which acts through out the life of the structure. slabs, Beams , walls.
Dead load calculationVolume x DensitySelf weight+floor finish=0.12*25+1=3kn/m^2As per Is 875 part 1
Dead loadDead load
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
Pressure:0.0035N/mm^2
Floor loadFloor load
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1. TRANSFORMER (230 – 12 V AC)
2. RECTIFIER AND FILTER3. VOLTAGE REGULATOR
(LM 7805)4. LM358 OP-AMP5. MICROCONTROLLER
(AT89S52/AT89C51)6. RELAY7. DC MOTOR8. LCD
www.engineeringcivil.com
Density of materials usedDensity of materials usedMATERIAL DensityMATERIAL Density
i) Plain concretei) Plain concrete 24.0 KN/m324.0 KN/m3ii) Reinforcedii) Reinforced 25.0 KN/m325.0 KN/m3iii) Flooring material (c.m)iii) Flooring material (c.m) 20.0KN/m320.0KN/m3iv) Brick masonryiv) Brick masonry 19.0KN/m319.0KN/m3
LIVELOADS: In accordance with IS 875-86LIVELOADS: In accordance with IS 875-86i)i) Live load on slabsLive load on slabs == 3.0KN/m23.0KN/m2ii) ii) Live load on passageLive load on passage == 3.0KN/m23.0KN/m2iiiiii Live load on stairs Live load on stairs == 3.0KN/m23.0KN/m2
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wind loadwind load
The amount of wind load is dependent on the
following:
• Geographical location,
• The height of structure,
• Type of surrounding physical environment,
• The shape of structure,
• Size of the building.
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Wind load
Most important factor that determines the design of tall buildings over 5 storeys, where storey height approximately lies between 2.7 – 3.0 m
P=k1*k2*k3*vz^2 Designed as per IS 875 PART (III) Taking v=50 kmph
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High wind pressures on the sides of tall buildings produce base shear and overturning moments.
These forces cause horizontal deflection
Horizontal deflection at the top of a building is called drift
Drift is measured by drift index, /h, where, is the horizontal deflection at top of the building and h is the height of the building
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Lateral forcesLateral forces
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Global StabilityGlobal Stability
Sliding Overturning
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SlabBeamColumnFoundationsoil
Load transfer mechanismLoad transfer mechanism
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COLUMNSCOLUMNS
Three different sections are adopted in structure
Columns with beams on two sides
Columns with beams on three sides
Columns with beams on four sides
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beams
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DEFLECTIONOne-way slab Two way slab
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Distribution of load
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FLOOR LOAD
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slabs
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conclusionconclusion
• Requirement of high rise residential building.
• Using softwares as a tool.• Advantages.• Limitations .
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