How to Design a Prestressed Concrete Beam to ACI 318 (Step by Step, With Free Software)
A post-tensioned prestressed concrete beam, designed to ACI 318 Chapter 20/24, has to clear checks that don't exist in ordinary RCC…
How to Design a Composite Beam to IS 11384 (Step by Step, With Free Software)
A composite steel-concrete beam designed to IS 11384, India's code for composite construction, places real weight on correctly establishing the concrete…
How to Design a Composite Column to CSA S16 (Step by Step, With Free Software)
A concrete-encased steel column (a steel I-section fully embedded in a reinforced concrete column, rather than a concrete-filled hollow tube)…
The Millennium Bridge Wobble: A Serviceability Failure, Not a Structural One
A Bridge That Closed Within Days, Without Ever Being Structurally Unsafe London's Millennium Bridge, a pedestrian suspension bridge, opened in…
How to Design a Composite Beam to AS 4100 (Step by Step, With Free Software)
A composite steel-concrete beam designed under the Australian steel structures code AS 4100 (used alongside AS 2327 for composite-specific provisions) follows…
The L’Ambiance Plaza Collapse: A Lift-Slab Method That Had No Margin for Error
A Construction Method Collapsing During Its Own Use In April 1987, a 16-storey apartment building under construction in Bridgeport, Connecticut,…
How to Design a Composite Column to Eurocode 4 (Step by Step, With Free Software)
A concrete-filled steel tube (CFST) column, designed to Eurocode 4 (EN 1994-1-1), combines steel and concrete's axial capacities in a way that…
Why Seismic Codes Limit How Much Axial Load a Column Can Carry Relative to Its Capacity
A Limit That Has Nothing to Do With Whether the Column 'Passes' Its Strength Check A column can comfortably satisfy…
How to Design a Composite Beam to AISC 360 (Step by Step, With Free Software)
A steel beam acting compositely with a concrete slab through shear studs, designed to AISC 360 Chapter I, only delivers its…
How to Design an Aluminium Beam to Eurocode 9 (Step by Step, With Free Software)
An extruded aluminium I-beam designed to Eurocode 9 (EN 1999-1-1) starts with a cross-section classification step that doesn't have a direct equivalent…