A box of Marx track, 4 switches (2 left 2 right), a crossing and an Erie girder bridge for $15 at an antique store!
πŸ‘︎ 62
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πŸ‘€︎ u/narddog1939
πŸ“…︎ Oct 05 2021
🚨︎ report
A bridge in paradise. This bridge connects the islands of Koror and Babeldaob in the Republic of Palau. It is a 'balanced cantilever prestressed concrete box girder bridge.' At 385.6 m, it is the longest of this type in the world. (Scanned from Ektachrome slide.) [OC]
πŸ‘︎ 99
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πŸ‘€︎ u/NowOnTheRez
πŸ“…︎ Aug 20 2021
🚨︎ report
A bridge in paradise. This bridge connects the islands of Koror and Babeldaob in the Republic of Palau. It is a 'balanced cantilever prestressed concrete box girder bridge.' At 385.6 m, it is the longest of this type in the world. (Scanned from Ektachrome slide.) OP: u/NowOnTheRez
πŸ‘︎ 37
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πŸ‘€︎ u/Chipotle42
πŸ“…︎ Aug 20 2021
🚨︎ report
Functional LEGO technic bridge girder v.redd.it/3l3w5oyewo781
πŸ‘︎ 45k
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πŸ‘€︎ u/ethohuman000
πŸ“…︎ Dec 25 2021
🚨︎ report
SMALL BRIDGE RAISING - Anyone have experience raising a bridge like this single span, dbl box girder RR bridge? Bringing her up about 1.6'. Caps need a little concrete rehab and the track can't be down for more than a day. Any feedback greatly appreciated.
πŸ‘︎ 42
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πŸ“…︎ Jun 25 2020
🚨︎ report
Concrete box girder, Hangzhou Bay Bridge. [900Γ—600]
πŸ‘︎ 2k
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πŸ‘€︎ u/sverdrupian
πŸ“…︎ Jul 26 2017
🚨︎ report
Concrete box girder bridge, St. Croix river crossing project, Minnesota. [1050Γ—586]
πŸ‘︎ 1k
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πŸ‘€︎ u/sverdrupian
πŸ“…︎ Aug 08 2018
🚨︎ report
Concrete box girder, Bayonne Bridge deck-raising project. [5760Γ—3840]
πŸ‘︎ 1k
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πŸ‘€︎ u/sverdrupian
πŸ“…︎ Jan 03 2018
🚨︎ report
Functional LEGO technic bridge girder v.redd.it/am7smgh56r781
πŸ‘︎ 1k
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πŸ‘€︎ u/QuenzoO
πŸ“…︎ Dec 25 2021
🚨︎ report
In 2004 a metal girder fell onto 1-70 in Colorado from a bridge, which was still in construction at the time. One car was hit by the girder, all three passengers were killed. reddit.com/gallery/qm6gx2
πŸ‘︎ 937
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πŸ‘€︎ u/TheScotNamedQuinn
πŸ“…︎ Nov 03 2021
🚨︎ report
Bridge Girder SLJ900 gfycat.com/enchantingheal…
πŸ‘︎ 10k
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πŸ‘€︎ u/Lord_spaceslick
πŸ“…︎ Sep 21 2021
🚨︎ report
Concrete box girder - construction of Hangzhou Bay Bridge.
πŸ‘︎ 53
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πŸ‘€︎ u/sverdrupian
πŸ“…︎ Jul 26 2017
🚨︎ report
Functional LEGO technic bridge girder v.redd.it/3l3w5oyewo781
πŸ‘︎ 72
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πŸ‘€︎ u/xXWarMachineRoXx
πŸ“…︎ Dec 26 2021
🚨︎ report
Bridge Girder Bolted Splice

At the risk of being called an amateur and having my competence as an engineer questioned, here is my question:

Has anyone designed a bolted field splice according to AASHTO LRFD that has to carry torsion/Mx, Mz, My, axial/Fx, Fz, and Fy? Yes, all 6 degrees of freedom.

Specifically, I'm curious about the interaction of axial and shear force in the same splice plate.

Don't ask about the project, you don't want to know.

Happy Friday!

πŸ‘︎ 22
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πŸ‘€︎ u/75footubi
πŸ“…︎ Nov 19 2021
🚨︎ report
What was the significance of "pretending to be box-girder bridges" in So Long and Thanks for all the Fish?

There are a lot of somewhat subtle references in the series, but I've never been able to suss out if this was a reference to something in particular, or if it was just Adams being silly.

Link for anyone who doesn't remember.

πŸ‘︎ 18
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πŸ‘€︎ u/UtterlyDisposable
πŸ“…︎ Dec 01 2014
🚨︎ report
Functional LEGO technic bridge girder v.redd.it/3l3w5oyewo781
πŸ‘︎ 41
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πŸ‘€︎ u/SomeoneFromGalar
πŸ“…︎ Dec 25 2021
🚨︎ report
Concrete box girder bridge, St. Croix river crossing project, Minnesota. [1050Γ—586]
πŸ‘︎ 3
πŸ’¬︎
πŸ‘€︎ u/RPBot
πŸ“…︎ Aug 08 2018
🚨︎ report
Far Cry 5: Bridge of Tears - How do I swing around girders?

Shot the goons, grabbed the grapple, got to the first set of platforms and got the hook attached, But all I can do is to swing parallel to the next set of girders (or swing into them). I believe I need to get to the next set of girders but can't make the rope go in that direction. What am I doing wrong?

πŸ‘︎ 8
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πŸ‘€︎ u/Buck_Thorn
πŸ“…︎ Dec 24 2021
🚨︎ report
A functional Lego technic bridge girder
πŸ‘︎ 29k
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πŸ‘€︎ u/__Dawn__Amber__
πŸ“…︎ Jun 04 2021
🚨︎ report
Concrete box girder, Hangzhou Bay Bridge. [900Γ—600]
πŸ‘︎ 2
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πŸ‘€︎ u/RPBot
πŸ“…︎ Jul 26 2017
🚨︎ report
Concrete box girder, Bayonne Bridge deck-raising project. [5760Γ—3840]
πŸ‘︎ 2
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πŸ‘€︎ u/RPBot
πŸ“…︎ Jan 03 2018
🚨︎ report
M60A3s cross a medium girder bridge in West Germany during exercise REFORGER '83
πŸ‘︎ 137
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πŸ‘€︎ u/72killertomato
πŸ“…︎ Dec 01 2021
🚨︎ report
[Thingscutinhalf] Concrete box girder, Hangzhou Bay Bridge. [900Γ—600]
πŸ‘︎ 3
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πŸ‘€︎ u/RPBot
πŸ“…︎ Jul 26 2017
🚨︎ report
Two covered bridges in Salem, 1966. Before height guard girders and a grader overloading the second one.

https://preview.redd.it/29pf4jzr4sw71.jpg?width=1173&format=pjpg&auto=webp&s=10fa241243dead1be8494c94c9cda9fb770924ad

πŸ‘︎ 14
πŸ’¬︎
πŸ‘€︎ u/mks113
πŸ“…︎ Oct 31 2021
🚨︎ report
Functional LEGO technic bridge girder v.redd.it/3l3w5oyewo781
πŸ‘︎ 3
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πŸ‘€︎ u/Mozu_
πŸ“…︎ Dec 25 2021
🚨︎ report
Assembling the bridge girder v.redd.it/4ottzp2q8cp71
πŸ‘︎ 251
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πŸ“…︎ Sep 23 2021
🚨︎ report
Hunt Club Rail Bridge Closure - Overnight LRT Girder Installation mailchi.mp/34f6bac3c094/h…
πŸ‘︎ 5
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πŸ‘€︎ u/Rail613
πŸ“…︎ Oct 26 2021
🚨︎ report
The amazing bridge girder erection machine. SLJ900. Being used to place bridge spans into place
πŸ‘︎ 30
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πŸ‘€︎ u/Harry_Isthatyou
πŸ“…︎ Nov 05 2021
🚨︎ report
The Grist Mill Bridge in Hampden, ME is the first in the US to use fiberglass tub girders, which are much lighter than steel ones and don't rust. The bridge was designed with help from the University of Maine and opened in January. (OP: u/kernals12)
πŸ‘︎ 107
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πŸ‘€︎ u/Chipotle42
πŸ“…︎ Sep 24 2021
🚨︎ report
UK steel girder bridge
πŸ‘︎ 53
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πŸ‘€︎ u/ConstrnGamer
πŸ“…︎ Aug 28 2021
🚨︎ report
Iron worker waves from girder 315-feet up during construction of the Triborough Bridge (4/14/34) Photo by Bill Stahl Jr.
πŸ‘︎ 47
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πŸ‘€︎ u/bealan
πŸ“…︎ Sep 20 2021
🚨︎ report
Jack Knife Bridge #464 Cleveland OH -Rusted and covered with grapevines. β€œIf you look up at the sky, you can see gigantic rust-red gears, a dizzying geometric spread of girders and the rusty rails that are still attached to the wooden railway sleepers of the bridge.”
πŸ‘︎ 116
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πŸ‘€︎ u/NightThinker323
πŸ“…︎ Jun 26 2021
🚨︎ report
Aerial view of the 2.75 km long and (upto 25 m high) Viaduct in Sohna, Haryana in Western Dedicated Freight Corridor’s Rewari - Dadri section followed by the transportation and erection of a 375 MT Pre – tensioned box girder. v.redd.it/hjut6zy4fd181
πŸ‘︎ 13
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πŸ‘€︎ u/wickedGamer65
πŸ“…︎ Nov 23 2021
🚨︎ report
Functional Lego technic bridge girder v.redd.it/hyifs1h4vhz61
πŸ‘︎ 2k
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πŸ‘€︎ u/bob_is_your_unkle
πŸ“…︎ May 17 2021
🚨︎ report
Chepstow Road railway bridge, Newport. Four track girder truss structure carries the GWR railway over a road. reddit.com/gallery/plb4pa
πŸ‘︎ 14
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πŸ‘€︎ u/Mavmaramis
πŸ“…︎ Sep 10 2021
🚨︎ report

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