A description of the superstructure will serve to explain the design of the principal viaducts on the line.
Fortified by the information thus obtained, he was able to proceed with confidence to an extensive use of timber in the viaducts of the South Devon, the Cornwall, and other railways.
With the timberviaducts this was an advantage, since it kept the various parts of the framework in close contact, and prevented sudden jars being brought on them by the rapidly applied load of a passing train.
In consequence of the nature of the foundations, the piers of the nine viaducts on this line were for the most part formed of upright timbers well braced together, standing upon masonry footings.
The piers are formed of plain walls, built up to thirty-five feet below the level of the rails, those of the more lofty viaducts being strengthened by buttresses.
Most of these viaductsare of one type of construction.
The road curved a good deal, and ran over viaducts and through tunnels--as we could tell by the noise.
There is a good deal of engineering work; mostly bridges, viaducts on wooden trestles of somewhat doubtful solidity, and the traveler is not particularly comfortable when he finds them bending under the weight of the train.
Arches of tall viaducts may, indeed, become in so bad a condition that pieces of stone or brick will drop out, necessitating repair at heavy expense, of which scaffolding is commonly a large part.
The practical utility of stop piers in long arched viaducts is, perhaps, rather in checking movement of the tops of piers under moving load than in arresting actual failure of a series of arches.
Apart from road-bridges which are admittedly long-lived, there are a large number of railway bridges and viaducts of masonry which, despite heavy loads and vibration, have been in use for the past seventy years.
If you leave London by either of the southern lines, all of which are at a high level, you go for miles on viaducts consisting of brick arches carried on brick walls.
Concrete viaducts were first employed in interurban electric railroad construction, and latterly they have been brought more to the service of the steam railroad.
There are four of these arch viaductsaggregating 5.
These viaducts consist of 50-foot reinforced concrete arch spans and piers, with here and there a 60-foot span.
Materials for larger bridges or viaducts were stored at convenient centres.
Bridges and viaducts were destroyed, rails torn up, sleepers burned, points and turntables carried away, tunnels obstructed and water cranes and pumps rendered useless.
The viaducts and bridges were of timber, with spans of about 16 feet.
Thus, in the first instance, timber bridges or viaducts were destroyed by collecting brushwood, placing this around the arches, pouring tar or petroleum upon the pile, and then setting fire to the whole.
On the Semmering a long train has to be divided into two or three portions, to enable it to surmount these steep slopes, which frequently are as rapid as one in forty, even on the viaducts and in the tunnels.
Which appear to be built on bridges, with viaductsrunning from them, and water all round, may it please your lordship," interposed the governor.
Our arrows flew over their quarters day and night, while our labourers broke down the viaducts so that none could come or go, and no food or water reach the garrison.
Other viaducts cut off from it here and there, while he could see dots moving on the water.
This park has been improved of late by the depression of the tracks of the Illinois Central Railway and by the construction of massive stone viaducts connecting the park proper with the lake shore.
The viaducts of the Semmering railway, some of them with several tiers of arches, are among the grandest works of engineering.
Half Viaducts North of Myrtle Creek These structures, two in number, were constructed within a few hundred feet of each other on the Pacific Highway between Myrtle Creek and Dillard and span crevices in the face of a rock bluff.
It is the same, though not to the same degree, at other places, and even if railway bridges and viaducts be not carried away, the ordinary permanent road suffers to an extent such as we know nothing of in this country.
We yell at the deer in their lonely glen, Shoot past the village and circle the Ben, We flash through the city onviaducts high, As straight as an arrow, my steed and I.
Why, instead of being dragged on the surface of the ground, along costly viaducts or under disagreeable tunnels, might they not travel two or three hundred feet high?
Viaducts of course would never be necessary, cuttings in very few occasions indeed, if at all.
There are ants that build up vaulted viaducts or covered ways, and they use clay for that.
The aphids feed on plants, and the clay viaductsprotect the ants from their enemies and from the sun in going to and from the pasture; for this particular family of ants doesn't like the sun.
Huge viaducts span the valley and unite the east and west sides of Cleveland.
Even the crossing of one of the many viaducts along our route is a reminder of how science has been summoned to assist the invader in his audacious enterprise of girdling a continent with steel.
Bridges of ropes or reeds are, also, made by the most primitive of men; while viaducts of stone rose gradually in perfection, from the rude blocks heaped up by savages to the magnificent structures fashioned by the Romans.
The span of the viaducts is so arranged as to maintain the full width of the canal for navigation; and as the railways generally cross the canal on the skew, this necessitated girders in some cases of 300 ft.
Embankments were made close to and parallel with the old lines, beginning about a mile and a quarter from the canal on each side, the canal itself being crossed by viaducts which give a clear headway of 75 ft.
The gradients on the railways rising up to the viaducts are 1 in 135.
The agreement required the Companies to construct at their expense, four viaducts or bridges over their tracks and terminal development, three with roadways 42 ft.
The tunnel portals are in Sunnyside Yard, which extends to Woodside, the easterly end of the Division, and the Yard grading with its buildings and a number of City viaducts crossing it were executed under this Division.
This yard is depressed, and will be crossed by six viaducts carrying city streets.
There are no viaducts of any importance, and only four tunnels along the whole length of the line.
The embankments are in spring often covered with a myriad wild flowers; the viaducts give a human interest to coombe and gully.
It is true that in and around the great centres of population where railway lines converge and run in filthy tunnels and along smoke-begrimed viaducts they sound the last note of squalor, but in the country it is a different matter.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "viaducts" in a variety of sentences. We hope that you will now be able to make sentences using this word.
