友情提示:如果本网页打开太慢或显示不完整,请尝试鼠标右键“刷新”本网页!阅读过程发现任何错误请告诉我们,谢谢!! 报告错误
九色书籍 返回本书目录 我的书架 我的书签 TXT全本下载 进入书吧 加入书签

the life of thomas telford-第44章

按键盘上方向键 ← 或 → 可快速上下翻页,按键盘上的 Enter 键可回到本书目录页,按键盘上方向键 ↑ 可回到本页顶部!
————未阅读完?加入书签已便下次继续阅读!




provide one…half of the means for its erection。



Mr。 Telford further described in detail the roads necessary to be

constructed in the north and west Highlands; with the object of

opening up the western parts of the counties of Inverness and Ross;

and affording a ready communication from the Clyde to the fishing

lochs in the neighbourhood of the Isle of Skye。  As to the means of

executing these improvements; he suggested that Government would be

justified in dealing with the Highland roads and bridges as

exceptional and extraordinary works; and extending the public aid

towards carrying them into effect; as; but for such assistance; the

country must remain; perhaps for ages to come; imperfectly opened up。

His report further embraced certain improvements in the harbours of

Aberdeen and Wick; and a description of the country through which

the proposed line of the Caledonian Canal would necessarily pass

a canal which had long been the subject of inquiry; but had not as

yet emerged from a state of mere speculation。



The new roads; bridges; and other improvements suggested by the

engineer; excited much interest in the north。  The Highland Society

voted him their thanks by acclamation; the counties of Inverness

and Ross followed; and he had letters of thanks and congratulation

from many of the Highland chiefs。  〃If they will persevere;〃 says he;

〃with anything like their present zeal; they will have the

satisfaction of greatly improving a country that has been too long

neglected。  Things are greatly changed now in the Highlands。  Even

were the chiefs to quarrel; de'il a Highlandman would stir for them。

The lairds have transferred their affections from their people to

flocks of sheep; and the people have lost their veneration for the

lairds。  It seems to be the natural progress of society; but it is

not an altogether satisfactory change。  There were some fine

features in the former patriarchal state of society; but now

clanship is gone; and chiefs and people are hastening into the

opposite extreme。  This seems to me to be quite wrong。〃*'10'

In the same year; Telford was elected a member of the Royal Society

of Edinburgh; on which occasion he was proposed and supported by

three professors; so that the former Edinburgh mason was rising in

the world and receiving due honour in his own country。  The effect

of his report was such; that in the session of 1803 a Parliamentary

Commission was appointed; under whose direction a series of

practical improvements was commenced; which issued in the

construction of not less than 920 additional miles of roads and

bridges throughout the Highlands; one…half of the cost of which was

defrayed by the Government and the other half by local assessment。

But in addition to these main lines of communication; numberless

county roads were formed by statute labour; under local road Acts

and by other means; the land…owners of Sutherland alone

constructing nearly 300 miles of district roads at their own cost。



'Image' Map of Telford's Roads。



By the end of the session of 1803; Telford received his

instructions from Mr。 Vansittart as to the working survey he was

forthwith required to enter upon; with a view to commencing

practical operations; and he again proceeded to the Highlands to

lay out the roads and plan the bridges which were most urgently

needed。  The district of the Solway was; at his representation;

included; with the object of improving the road from Carlisle to

Portpatrickthe nearest point at which Great Britain meets the

Irish coast; and where the sea passage forms only a sort of wide

ferry。



It would occupy too much space; and indeed it is altogether

unnecessary; to describe in detail the operations of the Commission

and of their engineer in opening up the communications of the

Highlands。  Suffice it to say; that one of the first things taken in

hand was the connection of the existing lines of road by means of

bridges at the more important points; such as at Dunkeld over the

Tay; and near Dingwall over the Conan and Orrin。  That of Dunkeld

was the most important; as being situated at the entrance to the

Central Highlands; and at the second meeting of the Commissioners

Mr。 Telford submitted his plan and estimates of the proposed

bridge。  In consequence of some difference with the Duke of Athol as

to his share of the expensewhich proved to be greater than he had

estimatedsome delay occurred in beginning the work; but at length

it was fairly started; and; after being about three years in hand;

the structure was finished and opened for traffic in 1809。



'Image' Dunkeld Bridge。



The bridge is a handsome one of five river and two land arches。

The span of the centre arch is 90 feet; of the two adjoining it 84

feet; and of the two side arches 74 feet; affording a clear

waterway of 446 feet。  The total breadth of the roadway and foot

paths is 28 feet 6 inches。  The cost of the structure was about

14;000L。; one…half of which was defrayed by the Duke of Athol。

Dunkeld bridge now forms a fine feature in a landscape not often

surpassed; and which presents within a comparatively small compass

a great variety of character and beauty。



The communication by road north of Inverness was also perfected by

the construction of a bridge of five arches over the Beauly; and

another of the same number over the Conan; the central arch being

65 feet span; and the formerly wretched bit of road between these

points having been put in good repair; the town of Dingwall was

thenceforward rendered easily approachable from the south。  At the

same time; a beginning was made with the construction of new roads

through the districts most in need of them。  The first contracted

for; was the Loch…na…Gaul road; from Fort William to Arasaig;

on the western coast; nearly opposite the island of Egg。



Another was begun from Loch Oich; on the line of the Caledonian

Canal; across the middle of the Highlands; through Glengarry;

to Loch Hourn on the western sea。  Other roads were opened north

and south; through Morvern to Loch Moidart; through Glen Morrison

and Glen Sheil; and through the entire Isle of Skye; from Dingwall;

eastward; to Lochcarron and Loch Torridon; quite through the county

of Ross; and from Dingwall; northward; through the county of

Sutherland as far as Tongue on the Pentland Frith; while another

line; striking off at the head of the Dornoch Frith; proceeded

along the coast in a north…easterly direction to Wick and Thurso;

in the immediate neighbourhood of John o' Groats。



There were numerous other subordinate lines of road which it is

unnecessary to specify in detail; but some idea may be formed of

their extent; as well as of the rugged character of the country

through which they were carried; when we state that they involved

the construction of no fewer than twelve hundred bridges。  Several

important bridges were also erected at other points to connect

existing roads; such as those at Ballater and Potarch over the Dee;

at Alford over the Don: and at Craig…Ellachie over the Spey。



The last…named bridge is a remarkably elegant structure; thrown

over the Spey at a point where the river; rushing obliquely against

the lofty rock of Craig…Ellachie;*'11' has formed for itself a deep

channel not exceeding fifty yards in breadth。  Only a few years

before; there had not been any provision for crossing this river at

its lower parts except the very dangerous ferry at Fochabers。

The Duke of Gordon had; however; erected a suspension bridge at that

town; and the inconvenience was in a great measure removed。

Its utility was so generally felt; that the demand arose for a second

bridge across the river; for there was not another by which it

could be crossed for a distance of nearly fifty miles up Strath Spey。



It was a difficult stream to span by a bridge at any place; in

consequence of the violence with which the floods descended at

particular seasons。  Sometimes; even in summer; when not a drop of

rain had fallen; the flood would come down the Strath in great

fury; sweeping everything before it; this remarkable phenomenon

being accounted for by the prevalence of a strong south…westerly

wind; which blew the loch waters from their beds into the Strath;

and thus suddenly filled the valley of the Spey。*'12'  The same

phenomenon; similarly caused; is also frequently observed in the

neighbouring river; the Findhorn; cooped up in its deep rocky bed;

where the water sometimes comes down in a wave six feet high; like

a liquid wall; sweeping everything before it。



To meet such a contingency; it was deemed necessary to provide

abundant waterway; and to build a bridge offering as little

resistance as possible to the passage of the Highland floods。

Telford accordingly designed for the passage of the river at

Craig…Ellachie a light cast…iron arch of 150 feet span; with a rise

of 20 feet; the arch being composed of four ribs;
返回目录 上一页 下一页 回到顶部 0 0
未阅读完?加入书签已便下次继续阅读!
温馨提示: 温看小说的同时发表评论,说出自己的看法和其它小伙伴们分享也不错哦!发表书评还可以获得积分和经验奖励,认真写原创书评 被采纳为精评可以获得大量金币、积分和经验奖励哦!