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Search: Posts Made By: 603DX
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Forum: Jet Blast
18th Nov 2016, 10:10
Replies: 14,563
Views: 2,291,923
Posted By 603DX

A bit late on parade today (several months!). I...

A bit late on parade today (several months!). I decided I didn't much like the "guest" much on this morning's "Desert Island Discs", so I put on a CD instead, made by a good friend and former...
Forum: Jet Blast
25th Feb 2016, 16:04
Replies: 10,019
Views: 1,299,932
Posted By 603DX

Very sincere best wishes for a quick recovery and...

Very sincere best wishes for a quick recovery and return here, Tony. Without you, this hallowed thread is like "Hamlet without the Prince", and loads of folk are keen to see you back and firing on...
Forum: Jet Blast
25th Feb 2016, 16:04
Replies: 9,999
Views: 1,158,353
Posted By 603DX

Very sincere best wishes for a quick recovery and...

Very sincere best wishes for a quick recovery and return here, Tony. Without you, this hallowed thread is like "Hamlet without the Prince", and loads of folk are keen to see you back and firing on...
Forum: Jet Blast
10th Feb 2016, 15:54
Replies: 10,019
Views: 1,299,932
Posted By 603DX

Since we're not averse to a bit of "down memory...

Since we're not averse to a bit of "down memory lane" in this splendid thread, that mention of the BP Grangemouth refinery reminds me of a little episode a few years back when I was still in gainful...
Forum: Jet Blast
10th Feb 2016, 15:54
Replies: 9,999
Views: 1,158,353
Posted By 603DX

Since we're not averse to a bit of "down memory...

Since we're not averse to a bit of "down memory lane" in this splendid thread, that mention of the BP Grangemouth refinery reminds me of a little episode a few years back when I was still in gainful...
Forum: Jet Blast
28th Jan 2016, 14:23
Replies: 181
Views: 27,856
Posted By 603DX

Yes, that was what I meant, DType. The...

Yes, that was what I meant, DType.

The Phase 2 remedial work to the badly cracked end link is shown and described in a series of schematic sketches issued by Amey/Transport Scotland, here:
...
Forum: Jet Blast
24th Jan 2016, 16:18
Replies: 77
Views: 6,130
Posted By 603DX

I did as you suggested Lon, and read the sad saga...

I did as you suggested Lon, and read the sad saga of poor performance and reliability of the selected Italian train design for the 4-city rail link system. But to me, those problems don't appear to...
Forum: Jet Blast
24th Jan 2016, 13:48
Replies: 46
Views: 4,581
Posted By 603DX

Fine pics FL, a couple of them almost...

Fine pics FL, a couple of them almost Breugel-like. I travelled along the King's Road daily to my Westminster office for several years, but never saw those side roads looking as magical as that....
Forum: Jet Blast
23rd Jan 2016, 16:55
Replies: 181
Views: 27,856
Posted By 603DX

According to the current issue of my professional...

According to the current issue of my professional magazine, it is proposed to uprate the present temporary vehicle weight limit of 7.5 tonnes to enable HGVs to be allowed again, by an ingenious...
Forum: Jet Blast
23rd Jan 2016, 16:37
Replies: 10,019
Views: 1,299,932
Posted By 603DX

Still, at least it would give more meaning to the...

Still, at least it would give more meaning to the old saying "I must look you up sometime" ...
Forum: Jet Blast
23rd Jan 2016, 16:37
Replies: 9,999
Views: 1,158,353
Posted By 603DX

Still, at least it would give more meaning to the...

Still, at least it would give more meaning to the old saying "I must look you up sometime" ...
Forum: Jet Blast
15th Dec 2015, 16:30
Replies: 181
Views: 27,856
Posted By 603DX

Afraid not structor, every bay of the deck truss...

Afraid not structor, every bay of the deck truss has a diagonal member, because the designers chose to use what is known as a "Pratt Truss" configuration. As the end of the deck moves down slightly...
Forum: Jet Blast
15th Dec 2015, 16:10
Replies: 181
Views: 27,856
Posted By 603DX

Yes Cazalet33, it's pretty clear that sound...

Yes Cazalet33, it's pretty clear that sound advice from experienced, qualified bridge engineers has been blithely ignored by politicians on cost grounds. To quote yet again the old cliche, "T'was...
Forum: Jet Blast
15th Dec 2015, 14:36
Replies: 181
Views: 27,856
Posted By 603DX

Both hanger rope creep and loss of main cable...

Both hanger rope creep and loss of main cable sectional area would allow a general downwards deflection of the whole main span deck, probably without significant stress changes in the stiffening...
Forum: Jet Blast
15th Dec 2015, 10:38
Replies: 181
Views: 27,856
Posted By 603DX

From the above BBC news link, it appears that the...

From the above BBC news link, it appears that the existing eight sets of end linkages will be retained to get the bridge opened to traffic again, with the cracked one reinforced by welded-on "splint"...
Forum: Jet Blast
11th Dec 2015, 16:47
Replies: 181
Views: 27,856
Posted By 603DX

The link posted by Little cloud in #87 is very...

The link posted by Little cloud in #87 is very informative, giving an excellent selection of recent images and videos. These provide a good indication of the professional approach being applied by...
Forum: Jet Blast
9th Dec 2015, 16:19
Replies: 181
Views: 27,856
Posted By 603DX

Mechta, yes it's interesting to speculate on the...

Mechta, yes it's interesting to speculate on the "ifs and buts" of what may or may not have taken place regarding potential load paths for self weights and superimposed (traffic) loadings in the...
Forum: Jet Blast
9th Dec 2015, 11:03
Replies: 181
Views: 27,856
Posted By 603DX

G-CPTN, it occurs to me that there just happen to...

G-CPTN, it occurs to me that there just happen to be eight of this type of hinged link assemblies on the bridge (four at each tower). Surely they couldn't ALL be in this cracked or highly suspect...
Forum: Jet Blast
9th Dec 2015, 10:54
Replies: 181
Views: 27,856
Posted By 603DX

It is a possibility that the observed cracking at...

It is a possibility that the observed cracking at the bottom end of (at least?) one link member isn't just the result of a tensile overstress alone. It might be a combination of axial tension and...
Forum: Jet Blast
8th Dec 2015, 18:32
Replies: 181
Views: 27,856
Posted By 603DX

Mechta, you are quite right, the main span is...

Mechta, you are quite right, the main span is indeed continuous because of the two outer stiffening trusses, which prevent excessive flexure of the deck under moving traffic and fluctuating wind...
Forum: Jet Blast
30th Nov 2015, 17:59
Replies: 18,097
Views: 1,171,354
Posted By 603DX

that chippy in Crickhowell (quite close to the...

that chippy in Crickhowell (quite close to the Talybont-on-Usk reservoir), which serves those yummy deep-fried Mars bars ...
Forum: Jet Blast
30th Nov 2015, 17:04
Replies: 10,019
Views: 1,299,932
Posted By 603DX

I thoroughly enjoyed the NE railways development...

I thoroughly enjoyed the NE railways development video ricardian, and watched it in one go, fascinated. As a retired civil/structural engineer, I was as interested in the many spectacular bridges...
Forum: Jet Blast
30th Nov 2015, 17:04
Replies: 9,999
Views: 1,158,353
Posted By 603DX

I thoroughly enjoyed the NE railways development...

I thoroughly enjoyed the NE railways development video ricardian, and watched it in one go, fascinated. As a retired civil/structural engineer, I was as interested in the many spectacular bridges...
Forum: Jet Blast
28th Nov 2015, 12:29
Replies: 10,019
Views: 1,299,932
Posted By 603DX

Latest news about the artificially created...

Latest news about the artificially created consumer scramble termed "Black Friday" in the UK, seems to be that so far the anticipated long weekend of mad shopping frenzy has proved blessedly less...
Forum: Jet Blast
28th Nov 2015, 12:29
Replies: 9,999
Views: 1,158,353
Posted By 603DX

Latest news about the artificially created...

Latest news about the artificially created consumer scramble termed "Black Friday" in the UK, seems to be that so far the anticipated long weekend of mad shopping frenzy has proved blessedly less...
Showing results 1 to 25 of 1000
 


 
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