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WHAT WE DO
What we do
Simple end plate connections

Simple end plate connections

  • Partial depth end plates

  • Full depth end plates

Column splices

  • Cover plate splices

  • End plate splices

  • Bearing type splices

  • Non-bearing type splices

  • Welded splices

Column splices
Bracing connections

Bracing connections

  • Gusset plates

  • End plates

  • Angle cleats

Hollow section (truss) joints

Hollow section (truss) joints

  • Uniplanar joints: T, Y, X

  • Uniplanar joints: K, N, KT

  • Multiplanar joints: TT, XX, KK

Moment end plate connections

Moment end plate connections​

  • Haunched beams

  • Extended depth end plates

  • Full depth end plates

STEELCONN
DESIGN
​

We assist structural steelwork companies and contractors with the design of a vast range of steel connections. These can be simple joints or complex moment connections. 

Beam splices

Beam splices

  • End plate splices

  • Cover plate splices

  • Welded splices

  • Portal apex haunch

Angle cleat connections

Angle cleat connections

  • Single angle web cleats

  • Double angle web cleats

  • Double flange cleats

  • Clip and seating angles

Welded moment connections

Welded moment connections

  • Full strength connections,  butt welds / fillet welds

Column bases

Column bases

  • Nominally pinned bases

  • Moment-resisting bases

Fin plates

Fin plates

  • Single fin plates

  • Double fin plates

STEEL CONNECTION DESIGN CALCULATIONS
 
In our connection design process, we utilise two different analysis methods: the finite element method, using specialised software; and the standard component method using our internal advanced spreadsheets. Each method allows us to independently asses the capacity of the whole joint or the most important components of connection to ensure that the design produced by each method is adequate and safe.
Finite Element Method (FEM):
 
Connected members and all parts of a connection: bolts, welds and plates are modelled in a dedicated software incorporating finite element analysis. We can analyse all types of connections ranging from simple to any complex, bespoke and non-standard joints in a fairly short period of time. All checks are performed in accordance to Eurocodes, namely: BS EN 1993-1-1:2005; BS EN 1993-1-5:2006; BS EN 1993-1-8:2005.
Finite Element Analysis
Finite Element Analysis
Finite Element Analysis
Component method with our in-house spreadsheets:
 
Connection design calculations are produced in accordance with the latest relevant standards and publications including: SCI P358 Publication and SCI P398 Publication. With this method we use self-prepared advanced spreadsheets which were created after a thorough study of all formulas and equations contained in a wide range of design standards, technical books, articles, publications as well as our own experience: ​
  • BS EN 1993-1-5:2006
  • BS EN 1090-1:2009+A1:2011 and BS EN 1090-2:2008+A1:2011
  • NA to: BS EN 1993-1-1:2005, BS EN 1993-1-5:2006, BS EN 1993-1-8:2005
  • BS EN ISO 19902:2007
  • The American Institute of Steel Construction - Design Examples V14.2
  • The British Constructional Steelwork Association, Publication No. 41/05, Steel Details
  • The British Constructional Steelwork Association, Publication No. 52/10, NSSS 5th Edition
  • Connections in Steel Structures IV, V, VI, VII: Behaviour, Strength and Design, International conferences
  • The Steel Construction Institute Publications: P060, P102, P143, P148,P207/95, P212, P375, P391, P403
  • The Steel Construction Institute Advisory Desk Notes
  • Access Steel NCCI Publications
  • Owens, G. W., Cheal, B. D., Structural Steelwork Connections
  • Wald, F., Design of Structural Connections to Eurocode 3, FAQ
  • Modern Steel Construction, Steel Interchange articles
  • CIDECT, General series of design guides: Construction with Hollow Steel Sections
 
      Please note this list is not exhaustive.
Steel calculations
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