Minutes of Proceedings of the Institution of Civil Engineers, Band 135The Institution, 1899 Vols. 39-204 (1874/75-1916/17) have a section 3 containing "Abstracts of papers in foreign transactions and periodicals" (title varies); issued separately, 1919-37, as the institution's Engineering abstracts from the current periodical literature of engineering and applied science, published outside the United Kingdom. |
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Seite 114
... seams are known to exist , and , it may be , have actually been worked or are being worked . It is therefore ... seam of coal , of varying thickness and depth , will be first considered , both with regard to the actual subsidence ...
... seams are known to exist , and , it may be , have actually been worked or are being worked . It is therefore ... seam of coal , of varying thickness and depth , will be first considered , both with regard to the actual subsidence ...
Seite 115
... seam , almost imperceptible , though in that of a thick seam it is sometimes severe and eccentric . ..... 200 yds Fig . 1 . When , during the working of coal , it is found necessary to remove a portion of the overlying shale or clod ...
... seam , almost imperceptible , though in that of a thick seam it is sometimes severe and eccentric . ..... 200 yds Fig . 1 . When , during the working of coal , it is found necessary to remove a portion of the overlying shale or clod ...
Seite 116
... seam worked is considerable and there is a thick bed of rock intervening . The Author is aware of instances of coal - seams up to 5 feet in thickness being worked out beneath canals and rivers at this depth , without the slightest ...
... seam worked is considerable and there is a thick bed of rock intervening . The Author is aware of instances of coal - seams up to 5 feet in thickness being worked out beneath canals and rivers at this depth , without the slightest ...
Seite 117
... seam at a depth of 120 yards the subsidence closely followed the working of the coal , that it continued for 3 years , and that it amounted to practi- cally 70 per cent . of the thickness exca- vated . The working of the 3 - foot 6 ...
... seam at a depth of 120 yards the subsidence closely followed the working of the coal , that it continued for 3 years , and that it amounted to practi- cally 70 per cent . of the thickness exca- vated . The working of the 3 - foot 6 ...
Seite 118
... seam 6 feet in thickness was being worked in an extensive long - wall face at a depth of more than 600 yards , and it was thought under the circum- stances wiser to take out all the coal in a moving face than to leave a large area of ...
... seam 6 feet in thickness was being worked in an extensive long - wall face at a depth of more than 600 yards , and it was thought under the circum- stances wiser to take out all the coal in a moving face than to leave a large area of ...
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alternating current amount amperes apparatus arch Author bars Bevergern boiler Bremen Bremerhaven bridge C.E. VOL canal carried cent centre charge clinkering coal Company connected considerable construction copper cost County Surveyor cubic yards curve depth designed diameter dynamo effect ejectors Elbe electric electromotive force engineer erected experiments flue furnace gases girders heat Hopkinson increased Institution iron John Hopkinson kathode length light load locks locomotive machine magnetic Member Messrs metal miles millimetres Minutes of Proceedings motors nickel nickel carbonyl Nogat obtained Paper pillar pipe placed Plate port pressure Proceedings Inst rails Railway refuse repairs revolutions per minute river roads seam sewage side Sir John Fowler Sir William Anderson span square inch station steam steel subsidence surface Surveyor temperature thick tons traffic tunnel vertical Vistula volts weight Weser wire