Advisory Desk
AD 283: The Use of Discontinuous Columns in Simple Construction
This AD provides advice on the design of discontinuous (storey-high) columns in simple construction. This is the second in a series of ADs dealing with …
AD 282: Frame Stability and Load Combinations
This advisory desk note reminds designers that in-plane stability varies with each load combination considered. This is because the loads applied to a …
AD 281: The Use of Discontinuous Columns in Simple Construction
In recent years the use of discontinuous columns and continuous beams as a form of simple construction has emerged in the residential sector. This development …
Tension Control Bolts
Tension Control Bolts Grade S10T are readily available in the UK. However, the manufacture of the bolts and the method of tightening are not explicitly …
AD 279: Brittle Fracture
This AD gives the limiting thickness t1 (mm) for plates, flats and rolled sections for S275 JR and S355 JR material that are expected to be included in the …
AD 278: Changes to the Building Regulations and Approved Document A3 Disproportionate Collapse – Interim Guidance on the use of BS 5950-1: 2000
This AD provides interim guidance in dealing with the changes to Section A3 of Approved Document A – Structure (2004 Edition) in connection with the …
AD 277: Load Combinations for the Design of Low-Rise Buildings
Since the release of BS 5950-1: 2000, our advisory service has received numerous queries in relation to the interpretation of the phrase realistic combination …
AD 276: The Use of ‘Toggle Bolts’
It has come to our attention that increasing use is being made of ‘toggle bolts’ for blind fixing to hollow sections. A ‘toggle bolt’ (fig. 1) has a …
AD 275: Columns in Simple Structures BS 5950-1: 2000 Special Design Cases
Following a number of questions about special design cases concerning columns in simple structures this AD Note provides guidance on the design procedure for …
