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Review on Comparative Study of
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IJSTE - International Journal of Science Technology & Engineering | Volume 3 | Issue 09 | March 2017
ISSN (online): 2349-784X
Review on Comparative Study of Diagrid
Structure with Conventional Building
Harshada A. Naik
ME Student
Department of Civil Engineering
ICOER, Wagholi, Pune
Prof. S. R. Suryawanshi
Assistant Professor
Department of Civil Engineering
ICOER, Wagholi, Pune
Abstract
In structural systems, Diagrid structure is a new trend nowadays because of its structural efficiency and architectural aesthetic
significance. It is important to study diagrid structures under lateral loads such as wind load or seismic load. This paper presents
the literature review of different authors on behavior of diagrid structures under wind loading and seismic loading to understand
the performance of diagrid structures. This study gives good indications on parameters in terms of time-period, top-storey
displacement, inter-storey drift and storey shear.
Keywords: Diagrid Structure, Seismic loading, STAAD.pro, Wind loading
________________________________________________________________________________________________________
I.
INTRODUCTION
In high rise building as height of structure increases then consideration of lateral load become most important factor. There are
many lateral load resisting systems like rigid frame system, shear wall, braced tube system, outrigger system and tubular system.
Nowadays diagrid structural system is widely used in high rise buildings because of its unique geometric configuration. This
system is combination of triangulated beams they may be straight or curved and horizontal rings. Diagrid structure itself act as a
inclined columns and bracing elements and hence they carry both gravity and lateral loads. The purpose of use of diagrid
structure in high rise building is first it increases the stability of a structure due to its triangulated configuration and secondly it
provide alternate load path in case of structural failure.
This paper deals with the comparative study of diagrid structure with conventional building subjected to lateral load.
II. LITERATURE REVIEW
1) Giovanni Maria Montuori, Elena Mele, Giuseppe Brandonisio and Antonello De Luca worked on Geometrical Patterns for
Diagrid Buildings in which from structural point of view they explore the alternative design strategies.
In their work they studied diagrid structures by comparing the regular patterns with the alternative geometrical
configurations. Different Geometrical patterns get by changing the angle of diagonals (VA) and number of diagonals
(VD).Eight different diagrid patterns are generated and designed for a 90-storey model building. Three different strategies
they used for generating eight diagrid patterns i.e.three patterns of regular diagrid, three patterns of variable angle and two
patterns of variable density. SAP 2000 software they used for modeling and analysis.
2) Kyoung Sun Moon Studied Diagrid Structures for Complex-Shaped Tall Buildings.
In his study he present the structural performance and constructability issues of diagrid structures by making use of
complex-shaped tall buildings like twisted, tilted and freeform towers. This paper deals with the structural design of
diagrids to determine cross sectional area of typical web and flange. At top they considered maximum deflection. SAP
2000 software they used for analysis and design.
3) Khushbu Jani and Paresh V. Patel worked on the Analysis and Design of Diagrid Structural System for High Rise Steel
Buildings.
In their study they considered 36 storey diagrid steel building which is dynamic along wind and across wind for analysis
and design of structure. Analysis is done by comparing results such as time period, top storey displacement and inter-storey
drift. ETABS software is used for modeling and analysis of structure. From study it is observed that peripheral columns
carry both lateral and gravity load effectively while internal columns carry only vertical load.
4) Young-Ju Kim,Myeong-Han Kim, In-Yong Jung,Young K.JU and Sang- Dae Kim worked on Experimentally Investigation
of the Cyclic Behavior of Nodes in Diagrid Structures.
In their study they examined Lotte Super Tower located in seoul, South Korea for experimental investigation. Two types of
specimens i.e. PA type for open-section layout and PB type for box-section layout were chosen to investigate cyclic
performance of diagrid nodes. Test results were obtained under lateral loads such as wind load or seismic load and on the
basis of test results the cyclic performance of diagrid nodes were discussed by their initial stiffness, strength and welding
methods.
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Review on Comparative Study of Diagrid Structure with Conventional Building
(IJSTE/ Volume 3 / Issue 09 / 128)
5) Dongkyu Lee,Soomi Shin studied Advanced High Strength Steel Tube Diagrid using TRIZ and Nonlinear Pushover
Analysis.
In this study firstly they worked on to resolve the problem relted to concentration of stress at the ends of tube connected to
cap plates and then secondly provide TRIZ methodologies which is obtained from study of global patent literature. In this
study they present effectiveness of diagrid structure by using nonlinear static pushover analysis.
6) In Yong Jung, Young Ju Kim, Young K. Ju, Sang Dae Kim and Sung Jig Kim studied Experimental Investigation of Webcontinuous Diagrid Nodes under Cyclic Load.
They studied four web-continuous diagrid node specimen under cyclic loading. They discussed seismic performance of web
continuous H-section diagrid node in this paper. They introduced web-separated H-section diagrid node to compare behavior
of web-continuous and web-separated diagrid nodes. Initial stiffness, strength, welding method and energy dissipation these
parameters they selected for testing.
7) Kyoung Sun Moon worked on Stiffness-based Design Methodology for Steel Braced Tube Structure: A Sustainable
Approach
In this paper for determining preliminary member sizes of braced tube for tall buildings they used a stiffness-based design
methodology. They discussed impact of different geometric configurations of the structural members on economic design
and recommend for optimal geometries. They also examined the influence of diagonal angle on the structural design of
braced tube structure.
8) Maria Annunziata Pignataro, Gabriele Lobaccaro and Giulio Zani worked on Digital and Physical Models for the Validation
of Sustainable Design Strategies.
In this paper they introduced and discussed the use of physical and numerical models for the validation of a sustainable
tower design, the modeling of the building was developed at different levels, make use of computer numerical control
(CNC) techniques. This process of graphical modelling, physical modeling and experimental performance testing allowed
researchers to overcome the limitations of the currently available analytical models, showing new fields of application of
rapid prototyping and how technical drawing can help sustainable design.
III. CONCLUSION
Most of the researchers did analysis on diagrid structure under wind loading. Some of them worked out on structural
performance of diagrid nodes and its geometrical patterns. But still there is a lack of study on structural behavior, design criteria
and performance of the diagrid structural system. So now it is necessary to find out seismic behavior of diagrid structure and
compare its analytical results such as time-period, top- storey displacement, inter storey drift and storey shear with conventional
structure.
ACKNOWLEDGMENT
I would like to thank first my project guide Prof. S.R.Suryawanshi and also our principle Dr. D.D. Shah for their guidance and
invaluable words of advice, support and help given to me to do this review paper. Secondly I would like to thank my parents and
friends for their appreciation and belief in me.
REFERENCES
Giovanni Maria Montuori 1, Elena Mele 2 Et. Al,(2014),” Geometrical Patterns for Diagrid Buildings: exploring alternative design strategies from
structural point of view”
[2] Kyoung Sun Moon, (2011),”Diagrid Structures for Complex-Shaped Tall Buildings”
[3] Khushbu Jani 1,Paresh V. Patel 2,(2013),”Analysis and Design of Diagrid Structural System for High Rise Steel Buildings”
[4] Young-Ju Kim1,Myeong-Han Kim 2 Et. Al,(2011),”Experimental Investigation of the Cyclic Behavior of Nodes in Diagrid Structures”
[5] Dongkyu Lee 1,Soomi Shin 2,(2014),”Advanced High Strength Steel Tube Diagrid using TRIZ and Nonlinear Pushover Analysis”
[6] K. Moon,” Design and Construction of Steel Diagrid Structures”
[7] Kyoung-Sun Moon 1, Jerome J. Connor 2 Et. Al,” Diagrid Structural Systems for Tall Buildings:Characteristics and Methodology for Preliminary Design”
[8] Nishith B. Panchal 1, Vinubhai R. Patel 2,” Diagrid Structural System: Strategies To Reduce Lateral Forces on High-Rise Buildings”
[9] T. M. Boake,” Diagrid Structures: Innovation and Detailing”
[10] In Yong Jung 1 , Young Ju Kim 2 Et. Al,(2014),” Experimental Investigation of Web-Continuous Diagrid Nodes Under Cyclic Load”
[11] Earthquake Resistant Design of Structures by M Shrikhande and P Agrawal
[12] Comprehensive Design of Steel Structures by B.C.Punmia
[1]
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