You have javascript disabled. This site uses javascript to enhance the functionality, please consider enabling it to get the best experience possible. Thank you.

  • Logo - SCI. Click to go to website
  • Logo - BCSA. Click to go to website
  • Logo - Tata Steel. Click to go to website

View NCCI for Chapter 5.1: Structural modelling for analysis

Taken from BS EN 1993-1-1: 2005, Section 5: Structural analysis

Column base stiffness for global analysis  (SN045)
After a general discussion on connection classification, this document presents three approaches for determining values of column base stiffness for practical global analysis. The first, empirical, approach provides simple conservative ways of recognising that all practical column base arrangements have some rotational stiffness in practice. The second presents a more detailed analysis of the response of the column base steelwork. The third introduces a method for taking account of the interaction between the foundation and the surrounding soil.
Keywords:
modelling; baseplate; 5.1; 5.1.2; 5.1.3
Valid until:
Jan 2015
Created by:
SCI
Created on:
Apr 2006
BSI Approval:
Not reviewed by BSI
Frame Stability
Frame Stability (sensitivity to second-order effects) is covered in section 5.2 of BS EN 1993-1-1. This article in New Steel Construction offers an overview of the Eurocode provisions.
Valid until:
Jun 2008
Created by:
NSC
Created on:
Jun 2008
BSI Approval:
Not reviewed by BSI
Modelling of portal frames - elastic analysis  (SN029)
The internal forces and moments in structures are usually calculated using a software programme. For common buildings, designers often prefer using, where relevant, 2D models whose data are easier to input and results are easier to deal with than 3D models. Portal frames can generally be calculated using a 2D model.
Keywords:
portal frame; 5.1; 5.2; 5.2.1; 5.2.1(4)
Valid until:
Jan 2015
Created by:
SCI
Created on:
Dec 2005
BSI Approval:
Not reviewed by BSI
Simple Construction - Concept and Typical Frame Arrangements  (SN020)
Introduces the concept of 'simple construction' for multi-storey buildings. Lateral stability is provided either by stiff cores or by braced bays; global analysis is elastic and joints are nominally pinned.
Valid until:
Jan 2015
Created by:
SCI
Created on:
Oct 2005
BSI Approval:
Not reviewed by BSI