tag:blogger.com,1999:blog-6470543006314152962.post7945354754456414600..comments2024-03-11T16:49:27.614+00:00Comments on The Happy Pontist: Scottish Bridges: 14. Gattonside BridgeThe Happy Pontisthttp://www.blogger.com/profile/15252272118786667592noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-6470543006314152962.post-64945284705882784132010-12-07T12:38:00.763+00:002010-12-07T12:38:00.763+00:00The biggest load Gattonside took while I was prese...The biggest load Gattonside took while I was present was about 1.25 people, although even that probably overestimates the contribution of the dog. I'm sure it gets more than that on occasion, but it's hard to believe it ever carries the 2,000-odd people that would be required to match the standard UK pedestrian design load (assuming 91m long x 2m wide = 192 sq.m., then a 5kPa load is equivalent to 8 people per square metre, then there's the 1.5 safety factor on top of that).<br /><br />Diaphanous - now there's a word I ought to use more often.The Happy Pontisthttps://www.blogger.com/profile/15252272118786667592noreply@blogger.comtag:blogger.com,1999:blog-6470543006314152962.post-10933961453396001552010-12-07T10:51:13.964+00:002010-12-07T10:51:13.964+00:00The pre-intervention photograph you link to does i...The pre-intervention photograph you link to does indeed highlight the full effect of the renovation - and neatly introduced me to the lyrical effect of cambering the deck. The slight arch evident in the 1985 photo is subtle but affecting.<br /><br />When I make my millions (probably not as a structural engineer!) I plan to find some land on which I can build footbridges of startling, diaphenous construction, designed for a pedestrian load of two...James Thomsonhttp://www.paperproject.wordpress.comnoreply@blogger.com