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:

ANALYSIS and design of (g+3) RESIDENTIAL BUILDING

using staad

By

CH.Gopichand

Department of Civil Engineering

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

3

Staad pro staad foundation auto cad

softwares

4

5

SummarySummary

Our graduation project is a residential building in Hyderabad. This building consists of 3 repeated floors.

Structural analysis and design

Structure ,analysis, design?

What is staadWhat is staad??

7

Advantages?Analysis and design of rcc, steel, foundations, bridges etc.

8

Why staad?Why staad?

An hourFor a building with

several beams and columns?

At least a week.

9

Robot, SAP200, Struds, FEA software, , SAP and GTSTRUDL

Alternatives?

10

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.

11

12

Residential buildingsResidential buildings

12

Office buildingsOffice buildings

13

planplan

14

Center line plan

15

Total area 1120 sq .m

16

17

18

20

Flow diagram of design & analysis of structure in staad

21

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

22

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

23

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

24

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

25

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

27

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

29

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

31

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.

32

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

33

33

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

 

34

Lateral forcesLateral forces

34

Global StabilityGlobal Stability

Sliding Overturning

35

SlabBeamColumnFoundationsoil

Load transfer mechanismLoad transfer mechanism

36

38

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

40

41

beams

42

DEFLECTIONOne-way slab Two way slab

43

Distribution of load

44

FLOOR LOAD

45

slabs

46

conclusionconclusion

• Requirement of high rise residential building.

• Using softwares as a tool.• Advantages.• Limitations .

47

48

48