Manual For Analysis & Design Using ETABS

Manual For Analysis & Design Using ETABS by Atkins | - | Structural Department, Atkins Dubai | 2007 | English | 46 p | pdf | 20.41 MB | The primary objective of this document is to make sure that ETABS is used consistently by the structural engineers in Atkins office in Dubai in terms of : modelling and analysis procedures; use of applicable built-in international codes; And complying with local authorities specific requirements;. This document is intended to complement the ETABS manuals and other relevant technical papers published by CSI. It is assumed that the user of this manual has a good command of ETABS and is familiar with the following codes : UBC 97 seismic provisions; ASCE 7 provisions for wind loading; BS codes of practice;.

Book Title

:

Manual For Analysis & Design
Using ETABS

Authors

:

-

Publisher

:

Structural Department, Atkins Dubai

Year

:

2007

Language

:

English

Pages

:

46 p

File Format

:

pdf

File Size

:

20.41 MB

Free download Manual For Analysis & Design Using ETABS.

Objective

The primary objective of this document is to make sure that ETABS is used consistently by the structural engineers in Atkins office in Dubai in terms of :

• modelling and analysis procedures
• use of applicable built-in international codes
• And complying with local authorities specific requirements.

This document is intended to complement the ETABS manuals and other relevant technical papers published by CSI. It is assumed that the user of this manual has a good command of ETABS and is familiar with the following codes :

• UBC 97 seismic provisions
• ASCE 7 provisions for wind loading
• BS codes of practice.

Local Authority specific requirements are covered in Appendices at the end of this document.

The procedures in this document are based on standard practice in Dubai. However, for specific projects, some parameters or procedures need to be revised. This shall be done in accordance with the design statement and in conjunction with the project lead engineer.

Table of Contents

1. File Menu

1.1

Open a Pre-defined Template

1.2

Import Geometry

 

Import DXF file of architectural grid

 

Import DXF floor plan

 

Import DXF file of 3D model

2. Material properties

2.1

Concrete

 

Define Concrete grade

 

Define Concrete mass and weight per unit volume

 

Define Concrete modulus of Elasticity

2.2

Reinforcement

3. Definition & Sizing of Elements

3.1

Define Frame Elements

3.2

Define Shell Elements

3.3

Assign Frame or Shell section properties

3.4

Assign Frame section modifiers

3.5

Assign Shell section modifiers

3.6

Assign Pier / Spandrel Labels

3.7

Assign area object mesh options

3.8

Assign auto-line constraint

4. Supports

4.1

General Support Conditions

4.2

Modelling Piles as Supports (define spring stiffness values)

5. Loading

5.1

Dead Loads

 

Assign Self weight

 

Define Imposed dead load

5.2

Live Loads

5.3

Mechanical Loads

5.4

Wind Loads

 

Codified Method

 

ASCE 7 Method

 

BS 6399 Method

 

Extracting Wind Loads from Wind Tunnel Test Results

5.5

Earthquake Loads

 

Define Equivalent Static Force Method

 

Response Spectrum Analysis

 

Define Response Spectrum functions as per UBC 97 requirements

 

Define Response Spectrum cases and parameters

6. Load Combinations

6.1

Define Load combinations for Serviceability State

6.2

Define Load combinations for Ultimate State

6.3

Define Load combinations for Pile Design

7. Analysis Options

7.1

Dynamic analysis options (Ritz vs. Eigenvector)

7.2

P-Delta analysis options

 

For Local Authorities other than JAFZA

 

For JAFZA

8. Post-Analysis Checks

8.1

Analysis log & results

 

Warnings/div>

 

Global force balance

8.2

Deformed shape and modal animations

8.3

Modal characteristics (modal amplitude, mass participation ratio)

9. Reinforced Concrete Design Module

9.1

Shear Walls Design Module (BS 8110-97)

9.2

Reinforced Concrete Frame Design (BS 8110-97) Beams

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