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ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 278
Comparison of Design Results of Rcc (G+8 Storey)
Building Using StaadPro and Etabs Software
KOLAGANI. NAVYA DEEPTHI, KOLLA. NAGA SREENIVASA RAO
1M.Tech Student, 2Professor & HOD
Department of CIVIL
Chalapathi Institute of Technology
Guntur, A.P, India
Abstract - STAAD and ETABS are the present day leading design software’s in the market. Many design Companies using
this ultimate encoded software. The design involves load calculations and analyzing the whole structure. The design methods
used in STAAD.Pro and ETABS analysis are Limit State Design conforming to Indian Standard Code of Practice. From
model generation, analysis and design to visualization and result verification, STAAD.Pro is the professional’s choice.
ETABS is also a leading design software in present days used by many structural designers. Here we had also analysed a
regular structure using ETABS software for the design.STAAD and ETAB are the present day leading design software’s in
the market.
Keywords— Comparison, Static analysis, Regular, Irregular, STAAD PRO and ETABS
I. INTRODUCTION: The full form of STAAD is STRUCTURAL AIDED ANALYSIS AND DESIGN. It was developed by
Research Engineers International in Yorba Linda, CA later it was sold to Bentley systems in late 2005. STAAD.Pro is an analysis
& design software package for structural engineering used in performing the analysis & design of wide variety of types of structures.
STAAD.Pro may be utilized for analyzing and designing practically all types of structures – buildings, bridges, towers,
transportation, industrial and utility structures.
ETABS is the Acronym of EXTENDED 3D ANALYSIS OF BUILDING SYSTEMS, is software developed by Computers and
Structures, Inc. (CSI); a Berkeley, California based engineering software company founded in 1975. ETABS is an engineering
software product that can be used to analyze and design multi-story buildings using grid-like geometry, various methods of analysis
and solution techniques, considering various load combinations.
2.OBJECTIVE OF THE WORK: To carry out the modelling and analysis of R C Framed structure using StaadPro & Etabs To
design a regular plan multi storey structure a per IS-456 & IS-875,(1,2,3)
To find out shear force, bending moments and deflection of structural members.
To compare the results obtained from staadpro and etabs.
To observe the software gives more accurate and economical result.
3. LITERATURE REVIEW : D.Ramya, A.V.S.Sai Kumar: A comparative study on design of G+10 building by staadpro and
etabs. The paper focuses to conclude the effectiveness of use of a structure software between these two. They found that sometimes
staadpro is good for use but many times etabs.
Aman, Manjunath Nalwadgi, Vishal T, Gajendra : Aimed an Analysis and design of multi-storey building by using STAAD Pro
for the G+5 commercial building and shows short term deflection, structure is safe in shear and flexure, amount steel provided is
economic and so on.
Tejashree Kulkarni, Sachin Kulkarni, Anjum Algur, M. H. Kolhar : Aimed to present study “Analysis and design of high rise
building by staad pro 2008” is to define proper technique for creating Geometry, cross sections for column and beam etc, developing
specification and supports conditions, types of Loads and load combinations. In this study a 30- storey high rise structure is analyzed
for seismic and wind load combination using staad pro 2008 and comparison is drawn
M C Griffith and A V Pinto have investigated the specific details of a 4-story, 3-bay reinforced concrete frame test structure with
unreinforced brick masonry (URM) infill walls with attention to their weaknesses with regards to seismic loading.
4. OVERVIEW OF SOFTWARE’S : 4.1. STAAD PRO :STAAD.Pro features a state-of-the-art user interface, visualization tools, powerful analysis and design engines
with advanced finite element and dynamic analysis capabilities
Easy user interface,
Confirmation with the Indian Standard Codes,
Versatile nature of solving any type of problem,
Accuracy of the solution.
ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 279
4.2. ETABS :ETABS can be effectively used in the analysis and design of building structures which might consists of structural
members like beams, columns, slabs, shear walls etc, With ETABS you can easily apply various construction materials to your
structural members like concrete, structural steel, Reinforced Concrete etc. ETABS automatically generates the self-weights and
the resultant gravity and lateral loads. ETABS also have much of the features.
User interface is model, simple and easy to use.
Modelling is quite easy and quick.
Easy application of loads in structures.
Advanced analysis tools.
5.METHODOLOGY: A research presents the main features and organization of STAADPRO and ETABS, a computer programs
that has been developed for the static and seismic stability evaluations of different civil engineering structures and concrete gravity
dams. Our project involves analysis and design of multi-storeyed building using a very popular designing software STAAD Pro
and ETABs against all possible loading conditions.
Calculation of loads as per Indian Standards.
Step by Step process of Methodology.
Analysis using StaadPro on multi-storied framed
Structure Design using StaadPro on multi-storied framed structure.
Following data used in the project: 1. Materials properties:
Steel: Modulus of elasticity of steel, E = 200 Gpa, Poisson’s ratio, µ = 0.3
Steel density = 77 Kn/m 3 (7.850 Kg/m 3 ) Yield strength of steel, Fy =500 Mpa
Ultimate yield strength of steel, Fu = 545 Mpa
Concrete: Characteristic strength of concrete, Fck = 25 Mpa (Beams),30 Mpa (columns).
Density of concrete, 25 = ߩ Kn/m 3
Building Parameters: Length and width =35mx37m
No of story =9
Story height=3m
Main Beam=750mmx600mm,230mmx500mm
Column =230mmx1050mm
Slab thick =125mm
Support condition =fixed
Beam release =axial force
Loading Conditions:
Dead Load: Dead Load =4.4Kn/m2
2 Main wall load =13Kn/m
2 Live Load: live load = 2Kn/m2
2 Sunken load=1.5Kn/m2
2 Seismic parameters: Code -IS 1893-2002 - Seismic analysis in X1 and X3 directions
. Self-weight =1.0
Damping ratio= 0.05 (5%)
Zone = III (0.16)
Soil type =Medium II
ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 280
Importance factor =1.2
Response Reduction factor = 5
Time period (Ta) = 1.02 sec (calculate as per 1893:2002)
Wind intensity =30.66m for 1.617Kn/m
Fig:1.Deformed shape of the building in Etabs
Fig:2.Deformed shape of the building in StaadPro
ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 281
Fig:3.Shear Force diagram in Etabs
Fig:4.Shear force diagram in StaadPro
ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 282
Fig:5.Bending diagram in Etabs
Fig:6.Bending diagram in StaadPro
ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 283
Table:1.Load comparison in Staad and Etabs
6.RESULTS & DISCUSSIONS:
Table:2.Comparision of Beams in Staad and Etabs:
SECTION STAAD ETABS
BENDING MOMENT 55.23 57.98
SHEAR FORCE 30.082 43.593
AREA OF STEEL 1200(TOP)
700(BOTTOM)
1091(TOP)
700(BOTTOM)
Table:3.Comparision of columns in Staad and Etabs:
SECTION STAAD ETABS
BENDING MOMENT 120.97 122.423
SHEAR FORCE 53.85 54.60
AREA OF STEEL 1579 1593
7.CONCLUSION:
Based on the behaviour of RCC frames on STAADPro. and ETABS some important conclusions are drawn:-
ETABS gave lesser area of required steel as compared to STAAD PRO.
Form the design results of columns, comparison of results for this case is not possible because of more Ast.
Axial forces calculated by Staad Pro are less to the axial forces calculated by etabs, so may adopt the analysis values for
the design purposes.
The analysis values in both software’s Staad Pro and ETABS are almost similar but design values are little differ and
uneconomical, so it’s better to adopt the analysis values for manual design to have a economical design.
8. References: D.Ramya, A.V.S.Sai Kumar : A comparative study on design of G+10 building by staadpro and etabs. The paper
focuses to conclude the effectiveness of use of a structure software between these two. They found that sometimes staadpro is good
for use but many times Etabs.
Tejashree Kulkarni, Sachin Kulkarni, Anjum Algur, M. H. Kolhar : Aimed to present study “Analysis and design of high rise
building by staad pro 2008” is to define proper technique for creating Geometry, cross sections for column and beam etc, developing
specification and supports conditions, types of Loads and load combinations. In this study a 30- storey high rise structure is analyzed
for seismic and wind load combination using staad pro 2008 and comparison is drawn.
Aman, Manjunath Nalwadgi, Vishal T, Gajendra : Aimed an Analysis and design of multi-storey building by using STAAD
Pro for the G+5 commercial building and shows short term deflection, structure is safe in shear and flexure, amount steel provided
is economic and so on.
M C Griffith and A V Pinto : Investigated the specific details of a 4-story, 3-bay reinforced concrete frame test structure with
unreinforced brick masonry (URM) infill walls with attention to their weaknesses with regards to seismic loading.
LOADING STAAD ETABS
DEAD LOAD 139250.3 139272.7
LIVE LOAD 46408.91 46408.91
EQX 3665.63 3738.03
EQY 3665.63 3738.03
ISSN: 2455-2631 © June 2018 IJSDR | Volume 3, Issue 6
IJSDR1806046 International Journal of Scientific Development and Research (IJSDR) www.ijsdr.org 284
AUTHOR’s PROFILE
KOLAGANI.NAVYA DEEPTHI: I completed my B.Tech under JNTUK(Chalapathi Institute of Technology), My
M.Tech
at Chalapathi Institute of Technology under JNTUK,Kakinada.
KOLLA. NAGA SRINIVASA RAO: He is professor in department of civil engineering at Chalapathi Institute
of Technology
with 28 years of teaching experience in engineering. He published many papers in various journals. His areas of
interest are Planning and Structural Analysis, Concrete Technology,Design of Steel Structures& Reinforced
ConcreteStructures.
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