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Author Archives: dougaj4
Composite Beam Spreadsheet
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 composite concrete beam, Excel, Goal Seek, Prestressed concrete, Reinforced Concrete, UDF, VBA
3 Comments
Composite Concrete Beam Analysis
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 Composite section analysis, Prestressed concrete, Reinforced Concrete
4 Comments
Altan – Blackwaterside, and more from Anne Briggs
Another version of Blackwaterside from Irish Group Altan followed by two Anne Briggs songs accompanied by very nice home made videos. Official video for the song, Blackwaterside, from the album ‘Blackwater’ (1996) Photos taken around Shanklin on the Isle of … Continue reading
Geometry for Joiners
A question came up on the ABC Self-Service-Science Forum, asking for a solution to find the dimensions of a diagonal brace looking like the diagram below: The solution is not as simple as it might look because the angle of … Continue reading
Posted in Coordinate Geometry, Excel, Newton, UDFs, VBA
Tagged circle intersection, Excel, Framebrace.xlsb, geometry, IP2.xls, UDF, VBA
1 Comment
Another Post About Everything
We had a post about everything from xkcd before, but this one is a bit more sophisticated. You can zoom in from this: down to this: and everything in between, at HTwins.net (if you get an ad for a game, click on … Continue reading
