ICE Virtual Library : Journals : Journal of the ICE

Journal of the ICE

E-ISSN: 0368-2455

Volume 26, Issue 8, October 1946

In this publication

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GERMAN DOCKS AND HARBOURS. ABSTRACT OF REPORT MADE TO BRITISH INTELLIGENCE OBJECTIVES SUB-COMMITTEE.
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- pp. 12–16
- Authors: N G GEDYE; J E G PALMER
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13696
- Dec. 5. 1947 Jan. 16. " Heathrow. The Construction of High Grade Quality Concrete Paving for Modern Transport Aircraft ", by George Graham, B.Sc.,M.I.C.E., and F. R. Martin, B.Sc., A.M.I.C.E. (Chichester). Joint Meeting with the Southern Centre of the Institution of Electrical Engineers. " Hydro-Electric Development in West Devon ", by F. E. Pitt (Southampton). Hon. Secretaries.-P...
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RENEWAL AND EXTENSION OF PUMPING MACHINERY FOR THE METROPOLITAN WATER BOARD. (INCLUDES PHOTOGRAPHS AND PLATES).
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- pp. 432–469
- Author: M R JAMES
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13697
- 432 JAMES ON RENEWAL EXTENSION AND OF Paper No. 5390. '' Renewal and Extension of Pumping Machinery for the Metropolitan Water Board."* t By MALcomf REGINALD JAMES, M.T.C.E. TABLE O F CONTENTS. Introduction History . . . . . . . . . . . . . . . . . . . The servicerenderedby the'Board and the means at its disposal . QueenMaryreservoir-uniflowengines and pumps Walton works . . . . . . . . . . . . . . . . . . Kempton Park works i............. Surbiton works . . . . . . . . . . . . . . . . . Deptford works . . . . . . . . . . . . . . . . . Brixton works . . . . . . . . . . . . . . . . . Hampton works ................ The general economic considerations governing the selection of machinery Acknowledgements Appendixes : Table VIII-Comparative pumping costs...
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DISCUSSION. RENEWAL AND EXTENSION OF PUMPING MACHINERY FOR THE METROPOLITAN WATER BOARD.
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- pp. 469–483
- Authors: M R JAMES; SIR P FRANK; H F CRONIN; N G ALLEN; H R LUPTON; R HAMMOND
- Document Type: Discussion
- DOI: 10.1680/ijoti.1946.13698
- PUMPING MACHINERY FOR THE METROPOLITAN WATER BOARD. 469 The Manuscript is accompanied by five Appendixes, twenty-one Tables, sixteen sheets of diagrams, and eight photographs, from some of which the Figures and Tables in the text and the half-tone page Plates, F@s. 2, 3, 4, and 5, have been prepared. Discussion, The Author introduced Ghe Paper with the aid of a series of lantern slides. He observed that it was of a rather unusual character, in that he had attempted to record the financial and economic effect of carrying out a large programme of work over a period of about 20 years...
JAMES FORREST LECTURE 1946. THE TESTING OF MATERIALS AT HIGH RATES OF LOADING.
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- pp. 486–519
- Author: G I TAYLOR
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13699
- 486 TAYLOR ON THE TEBTING OF MATERIALS AT JAMES FORREST LECTURE, 1946. The President said that the James Forrest Lecture was founded in 1891 in honour of the late James Forrest, who was Secretary of The Institution from 1859 to 1896 and Honorary Secretary from 1896 until his death in 1917. The Lecture to be delivered was the My-second of the series. Mr. Forrest had bequeathed to The Institution some pieces of silver plate which had been presented to him during the course of his life and normally they were exhibitedon the occasion of each James Forrest Lecture...
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ABSTRACT. SOME CONSIDERATIONS IN THE SELECTION OF POWER-STATION AUXILIARY SUPPLIES.
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- pp. 529–536
- Author: T H CARR
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13700
- CARR 'ON SOME CONSIDERATIONB IN THE SELECTION OF 529 POWER-STATION AUXILIARY SUPPLIES. Paper No. 5534. 6' Some Considerations in the Selection of Power-Station Auxiliary Supplies.' ' BY THOMAS HENRY CARR, A.M.I.C.E.,M.I.Mech.E., M.I.E.E. (Ordered by the Council to be published in abstract form.)? INTRODUCTION. THE problem of designing a reliable and economical auxiliary scheme is capable of many solutions, and if a new power-station is under consideration it is essential that the scheme adopted shall permit of extensions thereto without necessitating alterations to the fundamental features of the initial installation...
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ABSTRACT. SOME SHIPYARD PLANT PROBLEMS AND EXPERIENCES. (INCLUDES PHOTOGRAPHS).
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- pp. 536–538
- Author: D REBBECK
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13701
- 536 SMITH ON RISING MAINS-MOST ECONOMIC DIAMETER. lift, the additional cost of the pump due to extra meohanical strength on account of friction head would also have to be taken intoconsideration. With regard to power costs, an average cost per unit over the whole year has to be arrived a t where a sliding scale or a two-part tariff applies. For conditions obtaining in Victoria, Australia, it is found that the most economic diameter varies between about Q . d G a n d 8 . d F a n d in most cases is about 4...
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REVOLVING LOCOMOTIVE BOILERS ABOUT THEIR HORIZONTAL AXES IN ORDER TO ATTAIN, FROM TIME TO TIME, IN THE COURSE OF REPAIRS, THE MOST CONVENIENT WORKING POSITION.
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- pp. 539
- Author: A L JONES
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13702
- JONES ON REVOLVING OF LOCOMOTIVE BOILERS. 539 " Revolving Locomotive Boilers about their Horizontal Axes in order to attain, from Time to Time, in the Course of Repairs, the Most Convenient Working Position." By ARTHUR LESLIE JONES, A.M.I.C.E. M.C., IN 1934, after watching with dissatisfaction such an operation being carried out in the time-honoured fashion of using a single sling around the barrel; taking off from a point off the vertical centre-line, and by a combination of lifting, dragging, and lateral movements of the overhead crab, attaining an intermediate position, packing, re-setting the sling, and repeating until the desired position had been approximately achieved, the Author decided that the method was unintelligent, clumsy, laborious, not devoid of risk, occupied too much floor room, and as often as not took up too much time...
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OBITUARY. ASA BINNS, 1873-1946.
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- pp. 541
- Author: UNKNOWN
- Document Type: Obituary
- DOI: 10.1680/ijoti.1946.13703
- OBITUARY. 54l OBITUARY ASA BINNS was born a t Keighley, Yorkshire, on the 3rd October, 1873, and died a t Newbury, Berkshire, on the 2nd July, 1946. He was educated a t Keighley Grammar School and a t the Technical College, Keighley, and received his scientific training at the Yorkshire College, Leeds (later the University of Leeds). After a three years' pupilage with Messrs. Tannett, Walker C Company, of Leeds, during which he gained a % Whitworth Scholarship, and two years' experience m a draughtsman a t Ipswich and at the docks, he was appointed, in 1898, as a draughtsman Hull in the Works Department of the Admiralty...
OBITUARY. OLIVER ROBERT HAWKE BURY, 1861-1946.
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- pp. 542
- Author: UNKNOWN
- Document Type: Obituary
- DOI: 10.1680/ijoti.1946.13704
- 642 OBITUARY. OLIVER ROBERT HAWKE BURY was born in London on the 3rd November, 1861, and died in London on the 21st March,1946. He was articled, in January 1879, to Mr.W. Adams, M.I.C.E., as a pupil at the Locomotive Works of the London and South Western Railway. I n 1881, he went to Messrs. Hunter and English, Engineers; and worked on Mr. Hunter's patent floating crane and on the construction of a distillery. He then became Assistant Engineer on the Coleford and Monmouth Railway...
OBITUARY. PROFESSOR ERNEST GEORGE COKER, FRS, 1869-1946.
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- pp. 543–544
- Author: UNKNOWN
- Document Type: Obituary
- DOI: 10.1680/ijoti.1946.13720
- OBITUARY. 543 Professor ERNEST GEORGE COKER, F.R.S., was born a t Wolverhampton on the 26th April, 1869, and died a t Ayr on the 9th April, 1946. He was educated a t a private school a t Stony Stratford. In 1889 he was awarded a Whitworth Exhibition, and in 1890 a Whitworth Scholarship, and studied at the Royal College of Science, London, and at the Universities of Edinburgh and Cambridge, graduating from Peterhouse with first-class honours inthe Mechanical Sciences Tripos of 1896...
OBITUARY. THE RIGHT REVEREND PAUL FULCRAND DELACOUR DE LABILLERE, DD, DEAN OF WESTMINSTER, 1879-1946.
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- pp. 544
- Author: UNKNOWN
- Document Type: Obituary
- DOI: 10.1680/ijoti.1946.13721
- 544 (5) " OBITUARY. Some Experimental Methods and Apparatus for determining the Stresses in Bridges and Framed Structures " (Telford premium). (6) " Photo-elastic Investigations of Shear Tests of Timber " 2-with Mr. G. P. Coleman, A.M.I.C.E. (Telford premium). His work was further recognized by the award of the Howard Quin- quennial GoldMedal and Prize for 1932. Awards from other Societies included the Rumford medal of the Royal Society, the gold medal of the Institution of Naval Architects, the Thomas Hawksley medal of the Institution of Mechanical Engineers, and the Howard N...
CORRIGENDA.
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- pp. 544
- Author: W ALLARD
- Document Type: Research Article
- DOI: 10.1680/ijoti.1946.13722
- March 1946. Journal, p. 1. Line 8. Insert “ Sir Peirson Frank, President, in the chair. April 1946. Journal, p. 316, footnote 3. For “Instn Mech. Engrs,” read ‘‘ Instn Water Engrs.” May 1946. Journal, p. 405, lines 6 and 7. Delete ‘‘ from which the following . Plates have been prepared...
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CORRESPONDENCE. THE RECONSTRUCTION OF THE DIYALA WEIR.
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- pp. 547–549
- Authors: J D ATKINSON; E T P CARDIACOS; R D GWYTHER
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13747
- JOURNAL OF THEINSTITUTION OF CIVIL ENGINEERS NO..^, OCTOBER 1946 : SUPPLEMENT CORRESPONDENCE ON PAPERS PUBLISHED IN NOVEMBER 1945 JOURNAL. Paper No. 5443 `` The Reconstruction of the Diyala Weir."? By JOHN DEREYNE ATKINSON, B.A., M.I.C.E., and GEORGE CARDIACOS, E.T.P. (Paris). Correspondence. Mr. R. D. Gwyther observed that, with regard to the division of the work into two season's operations, the Authors were to be congratulated on their confidence in the resultsobtained in the model tests, when they decided to construct the weir partially, as shown in Pig...
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CORRESPONDENCE. THE STILL-WATER POCKET PRINCIPLE.
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- pp. 549–553
- Authors: P CLAXTON; H CHATLEY; SIR C INGLIS
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13748
- CORRESPONDENCE ON THERECONSTRUCTION OF THE DIYALA WEIR. 549 The primary cause of the damage that occurred was not known but, whilst t>herewas a concentration of the flow towards the left side of the weir, due to a natural projection on the right bank which diverted the flow, the bays on the left side were to some extent protected from the full force of the current by the island above them and only one of those bays (No. VIII) was damaged. It was recorded by an observer who saw the weir within a day or two of that flood that ...
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CORRESPONDENCE. THERMAL EFFICIENCY OF STEAM POWER PLANT.
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- pp. 553–556
- Authors: C G CARROTHERS; J R FINNIECOME; H S HORSMAN
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13749
- CORRESPONDENCE ON THE STILL-WATER POCKET PRINCIPLE. 553 further interest in it. But to say that the still-water pocket would then be formed as if the exclusion of the coarser grades of silt could affect it was altogether erroneous. (6) I n Pig. 9 the arrow-heads represented the general lines of indraw. There seemed to be a need for protectionon the flanks by still-water pockets where that indraw was likely to have high velocities. The length of the guide banks might be reduced, for the sketch was merely illustrative...
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CORRESPONDENCE. PARTICLE-SIZE IN SILTS AND SANDS.
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- pp. 557–580
- Authors: R GLOSSOP; A W SKEMPTON; P G H BOSWELL; F CAMPUS; K E CLARE; E E WHITE; R M W EDWARDS; J P DAXELHOFER; H Q GOLDER; T K HUIZINGA; J W H KING; G LACEY; G WILSON; L J MURDOCK; S PACKSHAW; K TERZAGHI
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13750
- CORRESPONDENCE ON PARTICLE-SIZE IN SILTS AND SANDS. 557 CORRESPONDENCE ON PAPERSPUBLISHED IN DECEMBER 1945 JOURNAL. Paper No. 5492. (c Particle-size in Silts and Sands."t By BUDOLPH OLOSSOP, B.Sc. and ALECWESTLEY SKEMPTON, M.Sc., A.M.I.C.E. Correspondence. Professor P. G. H.Boswell welcomed the evidence provided by the Paper thatwork on the grading of sediments, pursued as an academic study for a considerable number of years, was being applied to the problems of engineering practice. He agreed with the size-limits for sand, silt, and clay adopted by the Authors, and with the proposed subdivisions of those grades, which he thorght were adequate, without introducing a fourth major grade...
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CORRESPONDENCE. A CONSOLIDATION OF VERTICAL CURVE DESIGN.
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- pp. 580–593
- Authors: J AITKEN; J BOYD; D V DARWIN; A A FINDLAY; F W HARDING; R D JENNINGS; F T MURRAY
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13751
- 580 CORRESPONDENCEPARTICLE-SIZE ON IN SILTS AND SANDS. by Mr. Walters, the shrinkage properties themselves were the important characteristics, and grain-size was of no direct significance. It could not be too clearly stated that, whilst mechanical analysis was of practical value in certain problems associated with cohesionless soils, yet even there it had important limitations, and that with cohesive soils its potential value was very limited indeed. Moreover, with widely graded soils such as those indicated by Mr. Golder in Fig. 13, the lfficulties of interpretation were far greater than with well sorted soils ,of a moderately uniform grain-size...
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CORRESPONDENCE. CONSTRUCTION OF A HEAVY-DUTY CONCRETE RUNWAY.
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- pp. 593–611
- Authors: R STRUTHERS; J W LOVATT; G GRAHAM; R A LEEMING; F R MARTIN; E E MORGAN; L J MURDOCK; F N SPARKES; N F TRUSCOTT; J WILLIAMSON
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13752
- CONSOLIDATION A OF VERTICAL CURVE DESIGN. 593 In the case quoted, the .vertical acceleration was 4 feet per second per second, and that was convincing proof that Mr. Jennings's suggestion that 1 foot per second,per second should be used-which seemed to be based on an assumption relating to the rate of change of acceleration for horizontal curves-was far too conservative. A transition curve was definitely not required for the case worked out by Mr. Murray-who incidentally had been indefatigable in his calculationsfor a radius of about 33,000 feet, which gave, with speeds of 60 miles per hour,avertical acceleration of 0-25 foot per second per second...
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CORRESPONDENCE. THE USE OF ALUMINOUS CEMENT IN THE CONSTRUCTION OF THE MOSUL TUNNEL, IRAQI STATE RAILWAYS.
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- pp. 612–614
- Authors: G C HAGGER; F ANDERSON; F L HARWOOD
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13753
- 612 CORRESPONDENCE ON THE USE OF ALUMINOUS CEMENT IN THE Paper 5507. The Use of Aluminous Cement in the Construction of the Mosul Tunnel, Iraqi State Railways."? By GEOFFREY CLARENCE HAGGER, M.C. Correspondence. Mr. Fred Anderson observed that the Author's experience with the use of aluminous cement concrete in the high temperatures prevailing in the Mosul area bore out toa remarkable degree statements made by Messrs. Lea and Desch on pp. 306 t o 317 of tleir book "'The Chemistry of Cement and Concrete ", where, in discussing the effect of temperature on the strength of aluminous cement concrete, theystatedthat whilst that concrete yielded much higher strengths than Portland cement concrete when made in low (35" F...
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CORRESPONDENCE. MENAI BRIDGE RECONSTRUCTION.
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- pp. 615–621
- Authors: G A MAUNSELL; J S HENZELL; A JARDINE; A H RICHARD
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13755
- CORRESPONDENCE ON MENAI BRIDGE RECONSTRUCTION. 615 CORRESPONDENCE ON PAPERS PUBLISHED IN JANUARY 1946 JOURNAL. Paper No. 5260. Menai Bridge Reconstruction.'" -f By G m ANSONMAUNSELL,B.Sc.(Eng.), M.I.C.E. Correspondence. Mr. J. S. Henzell observed that the Author had succeeded admirably in preserving thearchitectural atmosphere of the original structure ; in fact he had made it far more pleasing than it ever was before. Telford's bridge was a remarkable achievement, an example to the world in 1826, but enthusiasm for Telford`s constructional talent should not disguise the fact that the bridge was, and remained, an architectural anachronism -a structural hybridworthy of preservation on historic ratherthan aesthetic grounds...
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CORRESPONDENCE. ECONOMIC DEVELOPMENT AND UTILIZATION OF WATER-POWER.
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- pp. 621–627
- Authors: B D RICHARDS; O ELSDEN; J K HUNTER; D LLOYD; J G MACLELLAN
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13766
- CORRESPONDENCE ON MENAI BRIDGE RECONSTRUCTION. 621 As mentioned in the Paper, the original intention had been to interpose between steel and asphalt a creosoted timber pad, and the reinforcedconcrete pad was a wartime improvisation necessitated by the scarcity of timber. It was feared thattbe elimination of the concrete altogether ]night have resulted ultimately in producing slight transverse corrugations intheasphaltcarpet abovedue to a slight flexure of the steelplate where it spanned between the floor joists. The removal of the old central chains in the centre span was effected by inserting a wire rope tackle in the middle of their length and taking the strain on t h e tackle before burning the old chain through...
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CORRESPONDENCE. EARTH PRESSURE AND EARTH RESISTANCE.
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- pp. 628–637
- Authors: S PACKSHAW; R V ALLIN; H Q GOLDER; A L BELL; F L KASSEL; D H LITTLE
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13767
- 628 CORRESPONDENCE ON EARTH PRESSURE AND EARTH RESISTANCE. CORRESPONDENCE ON PAPERS PUBLISHED IN FEBRUARY 1946 JOURNAL. -Paper No. 5497. `(Earth Pressure and Earth Resistance." t By SAVILE PACKSHAW, B.SC.(ENG.), M.I.C.E. Correspondence. Mr.R. V. Allin observed that, as a matter of some historical interest, it might be noted that Ponceiet derived a formula for lateral earth pressures which was based on the development of a wedge of maximum thrust but differed from Rankine's formula, which was published some 16 years afterwards, only in that it included the effect of friction of soil on the back of retaining structures...
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CORRESPONDENCE. SOME SEA DEFENCE WORKS FOR RECLAIMED LANDS. (INCLUDES PHOTOGRAPHS)
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- pp. 637–655
- Authors: C H DOBBIE; G C BLOFIELD; A G B BUCHANAN; W L CAMPBELL; A G COOKE; W E DORAN; J EVANS; F J B GEERS; A C KOLFF; E LATHAM; S W MOBBS; M C SIEGMAN; W F VAN ASBECK; J T THIJSSE; H W WILLCOCK
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13768
- CORRESPONDENCJ:ON EARTH YRJ3SSUR.E AND EARTH RESISTANCE. 637 the net area adef and the identical pressure calculated from equation (1) or derived from the graphical construction of Fig. 2. The same reasoning held good if tension cracks were taken into account. Mr. Little had suggested a method of design in which the results were checked against two extreme limits, based upon the most favourable and least favourableassumptions respectively. More could be saidfor that than might appear a t first sight, in view of the uncertainties which .at present frequently could not be eliminated from earth-pressure calculations...
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CORRESPONDENCE. THE DESIGN, CONSTRUCTION AND OPERATION OF A WATER-TREATMENT PLANT AT MUFULIRA MINE, NORTHERN RHODESIA.
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- pp. 656–659
- Authors: K PATERSON; H P CLIFTON; S MCCONNEL
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13769
- 656 CORRESPONDENCE ON THE DESIGN, CONSTRUCTION, AND Paper No. 5373. The Design, Construction, and Operation of a Water-Treatment Plant at Mufulira Mine, Northern Rhodesia. " t By ~NNETH PATERSON, B.Sc., A.M.I.C.E. Correspondence. ' M. H.P , Clifton observed that theAuthor was to be envied in having r hadsuitable equipmentavailable for an experimental plant on whose performance the final design could be based. The paddle-speed of 10 revolutionsper minute used for conditioning would appear high ; was that maintained in the final design ? HadtheAuthor formed any conclusions concerning the effect of temperature on chemical coagulation ? It would be interesting to know the temperatures a t which the tests were carried out, since that factor generally exerted such a pr`ofound effect...
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CORRESPONDENCE. THE ILFORD TUBE
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- pp. 660–664
- Authors: G L GROVES; G W M BOYCOTT; A A SYMINGTON
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13770
- 660 CORRESPONDENCE ILFORD THE ON TUBE. CORRESPONDENCE ON PAPERS.PUBLISHED I N MARCH 1946 JOURNAL. PFper No. 5456. `I The Ilford Tube." t By GEOFFREYLANCASTER GROVES, B.Sc., M.I.C.E. Correspondence. Mr. G. W., M.Boycott observed that during the recent war " Flying Fortress " airmen of the United States Army Air Force had breathed 100-per-cent. oxygen a t ground-level in order to de-nitrogenize the blood and so prevent "bends " occurring after climbing rapidly to the necessary high altitudes...
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CORRESPONDENCE. SOME USES OF EXPLOSIVES IN CIVIL ENGINEERING. WORKS CONSTRUCTION PAPER NO 3.
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- pp. 665–677
- Authors: J LORIMER; D B MARTIN; E C SCHNACKENBERG; SIR B TAYLOR; R D WALKER
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13771
- CORRESPONDENCE ON SOME USES OF EXPLOSIVES IN CIVIL ENGINEERING. 665 Works Construction Paper No. 3. `` Some Uses of Explosives in Civil Engineering." t By JAMES LORIMER, B.Sc. Correspondence. Mr. D. B. Martin observed that, arising from the Author's observations on the demolition of buildings, and remarks during the discussion by Major Maxwell and Mr. Sparkes on the same subject, some results obtained in the demolition of military defences might be considered relevant. Concrete `(cubes," usually 5 feet by 5 feet by 6 feet high, h?d been demolished by (`pop shooting," a small charge being used in one central hole...
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CORRESPONDENCE. HEATHROW: THE CONSTRUCTION OF HIGH-GRADE QUALITY CONCRETE PAVING FOR MODERN TRANSPORT AIRCRAFT. AIRPORT PAPER NUMBER 1.
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- pp. 678–707
- Authors: G GRAHAM; F R MARTIN; L W BROWN; S C DOUGHTY; W R GREATHEAD; I S GREEVES; G H HODGSON; J J LEEMING; J N MCFEETERS; R L MCILMOYLE; J C MAXWELL COOK; J C M COOK; N O MARRIOT; J WILLIAMSON
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13778
- 678 CORRESPONDENCE ON HEATHROW : THE CONSTRUCTION OF RIGH- CORRESPONDENCE ON PAPERS PUBLISHED APRIL 1946 JOURNAL. IN Airport Paper No. 1. 1` Heathrow : The Construction of High-Grade Quality Concrete Paving for Modern Transport Aircraft." t By GEORGEGRAHAM, B.Sc., M.I.C.E., and FREDERICK ROYAL MARTIN, B.Sc., A.M.I.C.E. Correspondence. Mr. L. W. Brown observed that, as a Quantity Surveyor, he was not competent to comment on the engineering problems arising from the practical application of the theoretical considerations, but he had made certain calculations and deductions from the statistical matter presented in the Paper...
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CORRESPONDENCE. THE MEASUREMENT OF THE DISCHARGES OF THE RIVER-BASINS OF THE WHITE NILE (SUDAN) AND NENE (GREAT BRITAIN).
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- pp. 708–718
- Authors: R F WILEMAN; H W CLARK; H ADDISON; E S BONIFACE; J P CANDY; R V W STOCK
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13779
- 708 CORRESPONDENCE ON MEASUREMENTOF DISCHARGES OF Paper 5528. The Measurement of the Discharges of the River-Basins of the White Nile (Sudan) and Nene (Great Britain)." t By ROBERT FREDERICK WILEMAN, B.Sc. (Eng.), and HAROLD WILLIAM CLARE. Correspondence. Professor HerbertAddison askedwhether further information was available about the methods of discharge measurement, using sluice-ways and broad-crested weirs, described on pp. 286 and 290. When water flowed beneath sluice-gates, threefairly distinct kinds of regime were' known 1 : (a) Free-jlow, in which the discharge was wholly independent `of the downstream depth h2 ; (b) Transition-jlow, in which the discharge depended upon both the head drop (h, - h2), and the downstream depth h2 ; and (c) Submerged-jow, in which only the head-drop (h, - h,) had any effect upon the flow...
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CORRESPONDENCE. OPENCAST COAL PRODUCTION IN WARTIME.
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- pp. 719–724
- Authors: K C APPLEYARD; G CURRY; H M GELL; J F HAYES; A TCHERNAVIN; W P THOMPSON
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13780
- ' CORRESPONDENCE.ON OPENCAST COAL PRODUCTION IN WARTIME. 719 CORRESPONDENCE ON PAPERSPUBLISHEDIN MAY 1946 JOURNAL. Paper No. 5544. Opencast Cod Production in Wartime.''jBy KENELM CHARLES APPLEYARD, C.B.E., D.L., M.I.Mech.E., M.I.Min.E., CURRY, M.I.C.E. and GERALD Correspondence. Mr. H. M. Gell observed that the use of geophysical prospecting methods was discussed with the Company with which he was associated in thesummer of 1944. The Ministry of Fueland Power decided to utilize the ...
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CORRESPONDENCE. SHEAR STRESSES IN REINFORCED CONCRETE WITH PARTICULAR REFERENCE TO CONCRETE SHIPS.
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- pp. 724–726
- Authors: SIR E O WILLIAMS; G A MAUNSELL
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13781
- 724 CORRESPONDENCE ON OPENCAST COAL PRODUCTION IN WARTIME. Towards the end of the period dealt with, however, the detailed planning referred to by Mr. Thompson had become much more general. His discussion of the possibility of starting excavation at the High wall was interesting. It was tried more than once, and in one case certainly with disastrous economic results. American practice was almost always to follow the coal down from the outcrop and put upwith the loss of the two advantages which Mr. Thompson had accurately indicated. That enabled working to be continued to any depth warranted by the plant available when the work started, or which might be made available later, and it had been f y n d profitable in practice on many occasions to continue working much beyond the line of high wall originally adopted on the plans...
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CORRESPONDENCE. RENEWAL AND EXTENSION OF PUMPING MACHINERY FOR THE METROPOLITAN WATER BOARD.
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- pp. 727–729
- Authors: M R JAMES; R G MOORES
- Document Type: Letter
- DOI: 10.1680/ijoti.1946.13782
- CORRESPONDENCE ON RENEWAL AND EXTENSION OF PUMPING MACHINERY FOR THE METROPOLITAN WATER BOARD. 727 CORRESPONDENCE ON A PAPERPUBLISHED OCTOBER 1946 JOURNAL. IN Paper No. 5390. `` Renewal and Extension of Pumping Machinery for t h e Metropolitan .Water Board." By MALCOLM REGINALD JAMES, M.I.C.E. Correspondence. Mr. R. G. Moores observed that, having been intimately associated with Mr. Dwham in the wor!, described in the Paper, he wished to congratulate the Author upon the attention given to detail...
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ICE - Institution of Civil Engineers - Virtual Library

Journal of the ICE

Volume 26, Issue 8, October 1946