Tag Archives: Prestressed concrete

Composite Beam Spreadsheet

Posted on 22/04/2012 by dougaj4

As promised in the previous post, a spreadsheet for designing reinforced or prestressed concrete composite beams has now been uploaded to my web site.  It can be downloaded from: Composite Design Functions-GS.zip .  As usual, the spreadsheet includes full open-source code. … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , | 3 Comments

Composite Concrete Beam Analysis

Posted on 10/04/2012 by dougaj4

Composite concrete beams are widely used in both building and bridge structures; typically precast pretensioned beams are combined with an in-situ reinforced concrete slab to provide structures that are both efficient in use of materials and fast and easy to … Continue reading →

Posted in Concrete, Newton | Tagged , , | 4 Comments

Using Beam Design Functions

Posted on 07/09/2011 by dougaj4

“Beam Design Functions” is an Excel spreadsheet providing a User Defined Function (UDF) that will calculate the stresses, strains, forces and moments in a reinforced or prestressed concrete section subject to any specified bending moment and axial load, using an … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | 12 Comments

Reinforced Concrete Section Analysis – with prestress

Posted on 25/10/2009 by dougaj4

The simplified reinforced concrete section analysis spreadsheet presented here has been revised to allow the input of a pre-tension stress to either or both layers of reinforcement.  The spreadsheet (including full open source code) can be downloaded from RC Design Functions5. Note … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , , | 3 Comments

Reinforced Concrete Section Analysis – 6; Ultimate Limit State

Posted on 23/10/2008 by dougaj4

The previous post in this series included Excel User Defined Functions using closed form solutions to find the ultimate bending and axial load capacity of reinforced or prestressed concrete sections of any complex shape defined by rectangular or horizontal layers.  The … Continue reading →

Posted in Beam Bending, Concrete, Newton | Tagged , , , | 6 Comments