Challenge

Project 1_Comparative study of different storey buildings for Seismic forces

RRichard Leonard Franklin S7 Apr 2023

Aim

To determine this project Comparative study of different storey buildings for Seismic forces, totally 11 projects are designed and alanyzed.

Introduction

Using ETABS software the projects is done, there are various project done and attached totally

project 1 16m x 12m column size, 192 sq.m build up area G+1 floor area, Total number of column 20, column size 400mmx400mm , Total number of beams 62 beam size 300mmx400mm , Total numbers os slab 24 slab size 150mm.

project 1b 16m x 12m column size, 192 sq.m build up area G+4 floor area, Total number of column 20, column size 400mmx400mm , Total number of beams 155 beam size 300mmx400mm , Total numbers os slab 60 slab size 150mm.

project 1c, 16m x 12m column size, 192 sq.m build up area G+4 floor area, Total number of column 20, column size 550mmx300mm angle 90 degree , Total number of beams 155 beam size 300mmx400mm , Total numbers os slab 60 slab size 150mm.

project 1d, 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size 600mmx600mm and 400mmx400mm , Total number of beams 310 beam size 300mmx400mm , Total numbers os slab 120 slab size 150mm.

project 1f, 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size 600mmx600mm , Total number of beams 310 beam size 300mmx400mm , Total numbers os slab 120 slab size 150mm.

project 1g, 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from storey G-10 800mmx800mm, stories 11-20 600mmx600mm, stories 21-25 400x400 , Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm.

project 1h, 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from storey G-25 800mmx800mm, Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm.

project 1i, 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from storey G-25 800mmx800mm, Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm, Shell load assignment = Live load 3.3Kn

project 1j. 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from storey G-25 800mmx800mm, Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm, Shell load assignment = Live load 3.6Kn

project 1 Zero. 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from stories G-25 800mmx800mm, Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm. Stiffness modification factors = Moment of initeria about 2 axis 0.1, Moment of initeria about 3 axis 0.1

project 1 Fixed. 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from storey G-25 800mmx800mm, Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm. Join assignments

Project 1 Zero. 16m x 12m column size, 192 sq.m build up area G+9 floor area, Total number of column 20, column size from storey G-25 800mmx800mm, Total number of beams 775 beam size 300mmx400mm , Total numbers os slab 300 slab size 150mm. Stiffness modification factors = Moment of initeria about 2 axis 0.1, Moment of initeria about 3 axis 0.1

Result :

Criteria : Effect of stiffness on the time period (10 storey with variying column size)

Model : Project 1e

Analysis result : 1.73s

Result :

Criteria : Effect of stiffness on the time period (10 storey with variying column size)

Model : Project 1f

Analysis result : 1.73s

Result :

Criteria : Effect of stiffness on the time period (25 storey with variying column size)

Model : Project 1g

Analysis result : 4.20s

Result :

Criteria : Effect of stiffness on the time period (25 storey with variying column size)

Model : Project 1h

Analysis result : 4.45s

Result :

Criteria : Effect of mass on the time period (25 storey with 3Kn/Sq.m impossed load)

Model : Project 1j

Analysis result : 4.42s

Result :

Criteria : Effect of mass on the time period (25 storey with 3.3Kn/Sq.m impossed load)

Model : Project 1k

Analysis result : 4.43s

Result :

Criteria : Effect of building height on the time period ( 2 Storey)

Model : Project 1

Analysis result : 0.5s

Result :

Criteria : Effect of building height on the time period ( 5 Storey)

Model : Project 1b

Analysis result : 1.03s

Result :

Criteria : Effect of building height on the time period ( 10 Storey)

Model : Project 1f

Analysis result : 1.73s

Result :

Criteria : Effect of building height on the time period ( 25 Storey)

Model : Project 1h

Analysis result : 4.45s

Result :

Criteria : Effect of column orientation on time period ( All floors column size 400x400)

Model : Project 1b

Analysis result : 1.03s

Result :

Criteria : Effect of column orientation on time period ( All floors column size 550x300) oriented in X direction

Model : Project 1b

Analysis result : 1.145s

Result :

Criteria : Effect of column orientation on time period ( All floors column size 550x300) oriented in Y direction

Model : Project 1b

Analysis result : 1.12s

Result :

Criteria : Effect of axial stiffness of verticalmembers on model shapes

Model : Project 1h

Analysis result : 5.99s

Case : Axial cross section for columns in close to nil (Zero axis)

Analysis result : 4.41s

Case : Axial cross section for columns (Regular)

Result :

Criteria : Effect of degree of fixity at column base on mode shape

Model : Project 1b

Analysis result : 1.03s

Case : Axial cross section for columns in close to nil (Zero axis) column suppot fixed

Project 1_Comparative study of different storey buildings for Seismic forces

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Ship work like thisin your own course.

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Ship work like this
in your own course.