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Updated: June 25, 2025
Trask turned back to the window. "There's something rather wonderful going on out here," she called. "I wish you'd all come and look." Just outside the club window the steel-workers pursued their dangerous task with leisurely and indifferent competence, while over their head a great derrick served their needs with uncanny intelligence. It dropped its chain and picked a girder from the floor.
Instead of the beautiful bridge a hideous iron girder structure spanned the stream, which was no longer pellucid and clear, but black as the Styx; instead of the trees arose a monstrous mill with a tall chimney vomiting black smoke that spread in heavy clouds, hiding the sun and the blue sky. "That is* what you are doing with your scenery," concluded Mr.
One of these men was describing to the other how he had seen a man down below there dodge behind a girder, and had aimed at a guess and hit him cleanly as he dodged too far. "He's down there still," said the marksman. "See that little patch. Yes. Between those bars."
Packed street cars, automobiles, carts piled high with incredible loads pulled by coolies, a girder being dragged by a scrawny horse led by a seemingly tireless, whip-equipped native, all apparently were about to collide with our rick-shaw party. We seemed to be always in the way and always on the wrong side of the street.
That the maximum horizontal component of the stresses in each of the diagonals is a constant quantity, not only for tension and compression, but for all the diagonals. The diagrams also show the following facts, which are, however, recognized in the common formulæ: d. The maximum stress in any vertical is equal to the sum of the amounts of the live and dead loads per bay of the girder. e.
In the course of a few minutes one sees a few iron carloads of ore that was a month before lying in the earth beyond Superior transformed into a girder for a bridge, a steel rail, a bit of armor-plate, a beam for a sky- scraper and all in utter human silence, with the calm pushing and pulling of a few levers, the accurate shovelling by a few hands, the deliberate testing by a few pairs of experienced eyes.
To show the comparative economy of material, he contrasted the lattice girder bridge over the river Trent, on the Great Northern Railway near Newark, with the tubes of the Victoria Bridge.
It was his only fancy connected with the future it might have been his last, for suddenly one of the planks of the rotten wharf gave way beneath his feet, and he felt himself violently precipitated toward the gurgling and oozing tide below. He threw out his arms desperately, caught at a strong girder, drew himself up with the energy of desperation, and staggered to his feet again, safe and sane.
The flexible girder system so reduces the "sag" that the maximum economy and durability are obtained, and the gradients over which the load has to travel can be made as easy and regular as those upon an ordinary railway.
These questions belong to the domain of practical reasoning because to take a girder away, or else introduce fresh ones, lies within the power of the disputants.
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