Due to the present increase in world population, people in this world tend to occupy available locations present in any zone which also include zones falling in the high seismic zone categories. The buildings constructed in such zones must be analysed and designed to withstand these earthquakes, along with the cost economy. Bracing systems is very efficient and unyielding lateral load resisting system. Bracing systems serves as one of the component in buildings for increasing stiffness and strength to guard buildings from incidence caused by natural forces like earthquake. Braced frames widen their resistance to lateral forces by the bracing action of inclined members. The braces stimulate forces in the associated beams and columns so that all works like a truss which results in smaller sizes of beam and column sections that turns out to be economical. In this study, G+14 storey building model has been analysed considering “Inverted V” and “V” type RCC bracing system and steel bracing system under seismic loadings using STADD PRO for analysis. Results are concluded by comparison of storey displacement, storey drift and base shear for fixed base building
Comparison of rcc braced and steel “x” braced rcc frame structure 150513181912pradip patel
One of the technologies used to defend buildings from damaging earthquake effects is “Braced Structural
System”. The idea behind bracing is to resist the building from the seismic forces in such a way that earthquake
motions are not transmitted up through the building, or at least greatly reduced. And also balance the force acting by
the wind load. The work undertaken is an attempt to recognize the behaviour of “X” type RCC bracing system and
Steel bracing system under lateral loading. A model of G+14 story RCC building has been considered with “X” type
RCC and Steel bracing. The RCC building with “X” type RCC and Steel braced system is analysed using static, wind
load analysis. The present study will carry out the comparison of different parameters like; storey displacement, storey drift, base shear and cost using commonly available, widely used software STAAD Pro V8i is utilize for analysis.
Behaviour of Multistory Steel Structure with Different Types of Bracing Syste...irjes
Steel has some important physical properties like the high strength per unit weight and ductility as compare to reinforced cement concrete structure. Due to high yield and ultimate strength member sizes comprising the structure are slender sections. Structural steel special moment frames often are used as part of the seismic force-resisting systems in buildings designed to resist seismic loads. Bracings are required to inhibit lateral buckling the members.
Comparison of rcc braced and steel “x” braced rcc frame structure 150513181912pradip patel
One of the technologies used to defend buildings from damaging earthquake effects is “Braced Structural
System”. The idea behind bracing is to resist the building from the seismic forces in such a way that earthquake
motions are not transmitted up through the building, or at least greatly reduced. And also balance the force acting by
the wind load. The work undertaken is an attempt to recognize the behaviour of “X” type RCC bracing system and
Steel bracing system under lateral loading. A model of G+14 story RCC building has been considered with “X” type
RCC and Steel bracing. The RCC building with “X” type RCC and Steel braced system is analysed using static, wind
load analysis. The present study will carry out the comparison of different parameters like; storey displacement, storey drift, base shear and cost using commonly available, widely used software STAAD Pro V8i is utilize for analysis.
Behaviour of Multistory Steel Structure with Different Types of Bracing Syste...irjes
Steel has some important physical properties like the high strength per unit weight and ductility as compare to reinforced cement concrete structure. Due to high yield and ultimate strength member sizes comprising the structure are slender sections. Structural steel special moment frames often are used as part of the seismic force-resisting systems in buildings designed to resist seismic loads. Bracings are required to inhibit lateral buckling the members.
Comparative Analysis of Steel Telecommunication Tower Subjected to Seismic & ...civej
Over the past 30 years, the growing demand for wireless and broadcast communication has spurred a dramatic increase in communication tower construction and maintenance. Failure of such structures is a major concern. In this paper a comparative analysis is being carried out for different heights of towers
using different bracing patterns for Wind zones I to VI and Earthquake zones II to V of India. Gust factor method is used for wind load analysis, modal analysis and response spectrum analysis are used for earthquake loading. The results of displacement at the top of the towers and stresses in the bottom leg of the towers are compared.
Analysis and Design of Residential Building G 1 using STAAD Proijtsrd
The development lately are far than the reach thanks to developing status that our country India holds. With development of country, development of residential buildings takes place. In this paper the planning of residential building is completed with limit state analysis. Limit state method may be a great way to achieve strength of structure with low cost when compare to other design synopsis. The modelling and analysis of the structure is done by using STAAD. Pro 2007, and the designing was done manually. Practical knowledge is an important and vital skill required by every engineer. Then the design follows with different types of loading conditions with different cases of rooms and position of rooms. The Plan is made by AUTOCAD 2018. After plotting the design, analysis is made with the help of STAAD Pro software and the results found out to be same. Ankur Chauhan | Sukrit Jain | Raghav Kumar Tiwary "Analysis and Design of Residential Building (G+1) using STAAD Pro" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33310.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/33310/analysis-and-design-of-residential-building-g1-using-staad-pro/ankur-chauhan
Comparative Analysis of Steel Telecommunication Tower Subjected to Seismic & ...civej
Over the past 30 years, the growing demand for wireless and broadcast communication has spurred a dramatic increase in communication tower construction and maintenance. Failure of such structures is a major concern. In this paper a comparative analysis is being carried out for different heights of towers
using different bracing patterns for Wind zones I to VI and Earthquake zones II to V of India. Gust factor method is used for wind load analysis, modal analysis and response spectrum analysis are used for earthquake loading. The results of displacement at the top of the towers and stresses in the bottom leg of the towers are compared.
Analysis and Design of Residential Building G 1 using STAAD Proijtsrd
The development lately are far than the reach thanks to developing status that our country India holds. With development of country, development of residential buildings takes place. In this paper the planning of residential building is completed with limit state analysis. Limit state method may be a great way to achieve strength of structure with low cost when compare to other design synopsis. The modelling and analysis of the structure is done by using STAAD. Pro 2007, and the designing was done manually. Practical knowledge is an important and vital skill required by every engineer. Then the design follows with different types of loading conditions with different cases of rooms and position of rooms. The Plan is made by AUTOCAD 2018. After plotting the design, analysis is made with the help of STAAD Pro software and the results found out to be same. Ankur Chauhan | Sukrit Jain | Raghav Kumar Tiwary "Analysis and Design of Residential Building (G+1) using STAAD Pro" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-6 , October 2020, URL: https://www.ijtsrd.com/papers/ijtsrd33310.pdf Paper Url: https://www.ijtsrd.com/engineering/civil-engineering/33310/analysis-and-design-of-residential-building-g1-using-staad-pro/ankur-chauhan
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
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Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
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Comparative study of inverted “v” and “v” type rcc braced and steel braced 150513182131
1. International Journal of Technical Innovation in Morden
Engineering & Science (IJTIMES)
Impact Factor: 3.45 (SJIF-2015), e-ISSN: 2455-2584
Volume 2, Issue 5, May-2016
IJTIMES-2015@All rights reserved 13
Comparative study of Inverted “V” and “V” type RCC Braced and Steel Braced
RCC Frame Structure
Nitin Sahijwani1
, Jigar Zala2
1
M.E. Student (Structural Engineering) Civil, Arham Veerayatan Institute of Engineering, Technology and Research
(nitin.sahijwani18@gmail.com)
2
Asst. Prof. Civil Engineering Department, Arham Veerayatan Institute of Engineering, Technology and Research
(jigar.zala@hotmail.com)
Abstract—Due to the present increase in world population, people in this world tend to occupy available locations
present in any zone which also include zones falling in the high seismic zone categories. The buildings constructed in
such zones must be analysed and designed to withstand these earthquakes, along with the cost economy. Bracing
systems is very efficient and unyielding lateral load resisting system. Bracing systems serves as one of the component
in buildings for increasing stiffness and strength to guard buildings from incidence caused by natural forces like
earthquake. Braced frames widen their resistance to lateral forces by the bracing action of inclined members. The
braces stimulate forces in the associated beams and columns so that all works like a truss which results in smaller
sizes of beam and column sections that turns out to be economical. In this study, G+14 storey building model has been
analysed considering “Inverted V” and “V” type RCC bracing system and steel bracing system under seismic
loadings using STADD PRO for analysis. Results are concluded by comparison of storey displacement, storey drift
and base shear for fixed base building
Keywords— Economization, Inverted V” and “V” Bracing; Earthquake resisting structure; Braced Structure; RCC
Bracing; steel bracing
I. INTRODUCTION
A building must have a complete structural system capable of carrying all gravity loads to its foundation in life span of
building. An ideal multi-story building which is designed to resist lateral loads due to earthquake would be symmetric in
distribution of mass and stiffness in plan at every story and as well as along the height of the building. In order to make
multi-story structures stronger and stiffer, which are more susceptible to earthquake and wind forces, the cross sections
of the member increases from bottom to top this makes the structure uneconomical owing to safety of structure.
Bracing is a highly efficient and economical method of resisting lateral forces, which stimulate forces in the
associated beams and columns so that all work as one like a truss with all members subjected to stresses that
ultimately results for minimum member sizes in providing stiffness and strength. Usually in all tall structure
bracing system is preferable as it can be used for retrofitting to give maximum strength.
.
II ANALYSIS OF RCC BRACED AND BARE FRAME STRUCTURE
2.1 Geometrical Data
No. Of bay in X – dir.:6,
No. Of bay in Y – dir.: 3,
Plan Dimension: 30 m x 15 m,
Typical Storey Height: 3.0 m,
Grade of concrete :M25
Bottom Storey Height: 3.0 m,
Height of structure: 45 m,
Number of storey: G +14,
Type of Building: Residential building,
Fe :415 ,Steel tube =240 X120 X 8mm
2. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 14
2.2 Loading Data :
2.2.1 Dead Load :
a. Self weight of Slab = 4.75 kN/m2
b. Floor Finish load = 1 kN/m2
c. Wall Load in X -Z direction= 11.75 kN/m
2.2.2 Live Load: 2 kN/m2
2.2.3 Earthquake load in X direction and Y direction
Zone factor: IV, Importance factor: 1, Response reduction factor: 5
2.2.4 Wind Load
Basic wind speed: 47 m/sec, Terrain category : II, Class : C, Risk coefficient factor : 1.0, Topography factor k3 : 1.0
2.3 Member Size Data
Table 1 G + 14 Story RCC Building Section Size
G + 14 Story RCC Building
Storey Column Size (mm) Beam Size (mm) Bracing Size (mm)
Story 1 to Story 3 900 X 450 300 X 450 230 X 230
Story 4 to Story 6 750 X 450 300 X 450 230 X 230
Story 7 to Story 9 600 X 450 300 X 450 230 X 230
Story 10 to Story 12 600 X 300 300 X 450 230 X 230
Story 13 to Story 15 450 X 300 300 X 450 230 X 230
II.
III. ANALYSIS OF RCC BRACED AND BARE FRAME STRUCTURE
2.3 Model Details :
Type Front view 3D
Bare Frame
Model I Inverted V RCC Braced
Model III Inverted V steel
braced
3. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 15
Model II V RCC Braced
Model IV V steel braced
Figure 2 Model Detailing
III. ANALYSIS AND RESULTS
The static analysis is carried out considering wind loads and earthquake loads on structures. Wind analysis of structure
is performed as per IS: 875(III) -1987 using STAAD Pro. V8i.
Here, the structure is symmetric so here we present the graphs for only one direction.
3.1. Base Shear :
Table 2: Base Shear Ratio
Base Shear Ratio
Model of
Structure
Bare Model Model I Model II Model III Model IV
ESA X Dir. 2520.03 2635.96 2635.96 2558.58 2558.58
ESA Y Dir. 1776.02 1857.73 1857.73 1857.83 1857.83
RSA X Dir. 2530.4 2632.47 2632.47 2559.96 2559.96
Figure 3 Base Shear
4. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 16
3.2. Story Displacement:
Table 3: Story Displacement in RCC Braced model
Story Displacement in RCC Braced model (mm)
Story
Height
(m)
Bare Frame Model I Model II
X Dir. Y Dir. X Dir. Y Dir. X Dir. Y Dir.
Story 15 45 195.77 122.52 19.00 29.51 20.08 31.57
Story 14 42 190.41 118.90 18.30 28.09 19.34 30.06
Story 13 39 181.01 113.19 17.43 26.45 18.40 28.28
Story 12 36 168.00 105.48 16.39 24.56 17.29 26.24
Story 11 33 153.97 97.64 15.21 22.54 16.03 24.08
Story 10 30 137.68 88.76 13.91 20.37 14.66 21.76
Story 9 27 119.56 78.95 12.52 18.09 13.19 19.33
Story 8 24 106.15 68.97 11.11 15.78 11.72 16.88
Story 7 21 92.02 58.50 9.65 13.44 10.18 14.40
Story 6 18 77.30 47.70 8.16 11.10 8.63 11.92
Story 5 15 62.78 37.35 6.69 8.84 7.09 9.53
Story 4 12 48.02 27.16 5.22 6.65 5.57 7.19
Story 3 9 33.22 17.55 3.79 4.56 4.07 4.96
Story 2 6 19.20 9.26 2.42 2.64 2.63 2.90
Story 1 3 6.72 2.83 1.08 0.94 1.22 1.06
Base 0 0.00 0.00 0.00 0.00 0.00 0.00
Table 4 : Story Displacement in Steel Braced model
Story Displacement in Steel Braced model (mm)
Story
Height
(m)
Bare Frame Model III Model IV
X Dir. Y Dir. X Dir. Y Dir. X Dir. Y Dir.
Story 15 45 195.77 122.52 19.05 29.80 20.13 31.39
Story 14 42 190.41 118.90 18.60 28.40 19.40 29.91
Story 13 39 181.01 113.19 18.20 27.10 18.46 28.14
Story 12 36 168.00 105.48 16.50 24.40 17.35 26.13
Story 11 33 153.97 97.64 15.60 23.41 16.09 23.98
Story 10 30 137.68 88.76 13.50 20.40 14.72 21.68
Story 9 27 119.56 78.95 12.10 19.12 13.25 19.27
Story 8 24 106.15 68.97 12.05 15.80 11.77 16.83
Story 7 21 92.02 58.50 9.86 13.50 10.24 14.36
Story 6 18 77.30 47.70 8.30 11.15 8.68 11.89
Story 5 15 62.78 37.35 3.90 8.98 7.13 9.51
Story 4 12 48.02 27.16 5.40 6.70 5.60 7.18
Story 3 9 33.22 17.55 3.60 4.60 4.09 4.95
Story 2 6 19.20 9.26 2.54 2.80 2.64 2.88
Story 1 3 6.72 2.83 1.15 0.96 1.22 1.05
Base 0 0.00 0.00 0.00 0.00 0.00 0.00
5. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 17
Figure 4 Story Displacement in RCC Braced model
Figure 5 Story Displacement in Steel Braced model
3.3. Story Displacement:
Table 5 : Story Drift in RCC Braced model
Story Drift in RCC Braced model (mm)
Story
Height
(m)
Bare Frame Model I Model II
X Dir. Y Dir. X Dir. Y Dir. X Dir. Y Dir.
Story 15 45 5.36 3.63 0.71 1.42 0.74 1.51
Story 14 42 9.40 5.71 0.87 1.64 0.94 1.78
Story 13 39 13.01 7.71 1.04 1.89 1.12 2.03
Story 12 36 14.03 7.84 1.18 2.02 1.25 2.17
Story 11 33 16.29 8.88 1.30 2.17 1.37 2.32
Story 10 30 15.33 9.81 1.39 2.28 1.47 2.43
Story 9 27 13.42 9.98 1.41 2.31 1.48 2.45
Story 8 24 14.12 10.47 1.46 2.34 1.53 2.48
Story 7 21 14.72 10.81 1.48 2.34 1.55 2.48
6. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 18
Story 6 18 14.52 10.34 1.48 2.26 1.54 2.39
Story 5 15 14.76 10.19 1.46 2.19 1.53 2.33
Story 4 12 14.81 9.61 1.43 2.09 1.50 2.23
Story 3 9 14.02 8.28 1.38 1.92 1.44 2.06
Story 2 6 12.48 6.44 1.34 1.69 1.42 1.84
Story 1 3 6.72 2.83 1.08 0.94 1.18 1.04
Base 0 0.00 0.00 0.00 0.00 0.00 0.00
Table 6: Story Drift In Steel Braced Model
Story Drift in Steel Braced model (mm)
Story
Height
(m)
Bare Frame Model III Model IV
X Dir. Y Dir. X Dir. Y Dir. X Dir. Y Dir.
Story 15 45 5.36 3.63 0.73 1.45 0.73 1.49
Story 14 42 9.40 5.71 0.89 1.70 0.94 1.76
Story 13 39 13.01 7.71 1.13 1.92 1.11 2.02
Story 12 36 14.03 7.84 1.29 2.10 1.25 2.15
Story 11 33 16.29 8.88 1.31 2.21 1.37 2.30
Story 10 30 15.33 9.81 1.41 2.28 1.47 2.41
Story 9 27 13.42 9.98 1.45 2.33 1.48 2.43
Story 8 24 14.12 10.47 1.49 2.35 1.54 2.47
Story 7 21 14.72 10.81 1.48 2.40 1.56 2.47
Story 6 18 14.52 10.34 1.51 2.27 1.55 2.38
Story 5 15 14.76 10.19 1.47 2.23 1.54 2.33
Story 4 12 14.81 9.61 1.44 2.19 1.51 2.23
Story 3 9 14.02 8.28 1.45 1.95 1.45 2.06
Story 2 6 12.48 6.44 1.33 1.78 1.43 1.84
Story 1 3 6.72 2.83 1.09 0.96 1.19 1.04
Base 0 0.00 0.00 0.00 0.00 0.00 0.00
Figure 6 Story Drift in RCC Braced model
7. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 19
Figure 7 Story Drift in Steel Braced model
3.5. Quantity Comparison :
Quantity
Model Concrete (cum) Steel (kN) Steel Tube (kN) Total steel (KN)
Bare Frame 806.9 1117.77 0 1117.77
Model I 931.4 886.364 0 886.364
Model II 931.2 929.928 0 929.928
Model III 819.9 730.836 864.88 1595.716
Model IV 820.5 732.738 864.88 1597.618
IV.CONCLUSIONS
After the comparing of the steel and RCC bracing for the RCC Frame with wind load, seismic load conclude that
Base shear is varying with use of various materials for the same RCC frame using various RCC and Steel bracing.
By using periphery fully braced the reduction in Story Displacement and Story Drift in model I to bare frame is
around 70%-80%, for braced frame model II to bare frame model 60%-70% . The quantity of material used describes
the economical bracing to be used for the RCC frame.
The quantity to steel in bare to model I is 28% less, and bare to model II is 22%, whereas the quantity of steel is
increased in model III and model IV 40% to bare model and about 65% in model I and model II.
It has been observed Model I to be most economical.
8. International Journal of Technical Innovation in Morden Engineering & Science (IJTIMES)
Volume 2, Issue 5, May-2016, e-ISSN: 2455-2584,Impact Factor: 3.45 (SJIF-2015)
IJTIMES-2016@All rights reserved 20
References
1. Y.U.Kulkarni1, Prof. P. K. Joshi, “Analysis And Design Of Various Bracing System In High Rise Steel
Structures” IJARSE, Vol. No.3, Issue No.11, November 2014
2. Vani Prasad &Nivin Philip, “Effectiveness Of Inclusion Of Steel Bracing In Existing Rc Framed Structure” –
IJRET ISSN(E): 2321-8843; ISSN(P): 2347-4599 Vol. 2, Issue 9, Sep 2014, 81-88
3. Dr. R. B. Khadiranaikar, Yallappa Halli, “Seismic Performance of RC Frame With Steel Bracings” (IJERT)
Vol. 3 Issue 8, August – 2014
4. Rishi Mishra, Dr.Abhay Sharma &Dr.VivekGarg, “Analysis of RC Building Frames for Seismic Forces Using
Different Types of Bracing Systems” - IJERT Vol. 3 Issue 7, July – 2014
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