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Show PLOATINO rtAILilQAO TUNNBL. To lla Plarail In Ilia llnapnrout and Weighted fll alltl I lulln What may Interest American engineers engi-neers is the fact that the porta has a scheme on foot to tunnel under the Hosporua There la an tnormous traffic traf-fic between the two aldea of the Hoe-porus, Hoe-porus, and the delay caused by the opening nnd shutting uf the bridge of lnnait'TRiiiiiiuiiva.KTftuvSwviuiiwi bleaume. A railroad cunfynrytss,tiu7l constructing lla lines on both aides, but little real profit Is expected until tho lines can be counseled Hitherto this haa been Impossible, aa tho existing ex-isting bridge are scarcely largo enough fur the ordinary passenger, to say nothing of tho constant Interruption Interrup-tion Tunneling by tho ordinary way Is not to bo thought of us the water la extremely deep, with 10 or av feet of mud at th bottom Hnglnerrs of this age aro not to be lightly twilled, however how-ever The chief engineer of tho port has suggested n mean of solving the problem, lie propns lo. suspend or Host a tunnel at about It feet below tho surface of the water, allowing uninterrupted un-interrupted passage to vessels of the largest tonnage. Tho (lolden Horn has no lids. The tunnel Is to be a wrought Iron tubs about 10 feet In diameter di-ameter nud 1.S00 feet long Tho gradient at each end would bo SO It would weigh about COO tons, maximum weight of any train. 100 tons; concrete and lining, in overcome the buoyancy of the tube. 1.700 tons; water displacement, displace-ment, 2,700 tons. Holding down chains of great strength will neutralize the upward strain when tho train Is not passing It Is reported that a Itustlan firm will furnish the structure What the firm has received as a guaranty of payment Is not Hated Now York Time. |
