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ICE Proceedings

E-ISSN: 1753-7789

Volume 79, Issue 1, March 1985

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THE ANALYTICAL DESIGN OF BITUMINOUS PAVEMENTS.
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- pp. 1–31
- Authors: SF BROWN; JM BRUNTON; AF STOCK
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1077
- Proc. Instn Civ. Engrs, Part 2, 1985,79, Mar., 1-31 PAPER 8834 TRANSPORTATION ENGINEERING GROUP The analytical design of bituminous pavements S. F. BROWN, BSc,PhD,DSc,FICE,FIHT* J. M. BRUNTON, BSc, PhD, MICE, MIHTf A. F. STOCK, BSc, MPhil, PhD, MICEf: The Paper describes a practical and implementable analytical procedure for the design of asphalt pavements. The method makes use of the considerable knowledge which exists on the mechanical properties of the materials, together with site and laboratory data...
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RESIDUAL CURRENTS IN PORT TALBOT HARBOUR: A MATHEMATICAL MODEL STUDY.
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- pp. 33–53
- Authors: RA FALCONER; REYNOLDS
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1078
- Proc. Instn Civ. Engrs, Part 2, 1985,79, Mar.,33-53 ENGINEERING GROUP MARITIME PAPER 8836 Residual currents inPort Talbot Harboura : mathematical model study R. A. FALCONER, BSc(Eng), MSCE, PhD, DIC, MICE, MASCE* The Paper describes the development and application of a mathematical model to predict the tide induced circulation within a narrow entranced harbour, which experiences exceptipnally large spring tidal ranges. In the model, particular attention has been paid to the mathematical treatment of the convective accelerations and the inclusion of the turbulent Reynolds stresses...
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MODEL STUDIES ON MULTI-CELL STRUCTURES.
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- pp. 55–71
- Authors: NE SHANMUGAM; T BALENDRA
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1079
- Proc. Instn Ciu. Engrs, Part 2, 1985,79, Mar., 55-71 PAPER 8847 STRUCTURAL ENGINEERING GROUP Model studies on multi-cell structures N. E. SHANMUGAM, BE, MSc(Eng),PhD, MASCE, M E * T. BALENDRA, BSc(Eng), MEng,PhD, MASCE, MIE* An experimental study of the elastic behaviour of a multi-cell structure is described. Two perspexmodels,onewithsolidwebsandtheotherwithwebopenings, are subjected to concentrated loads applied at different locations. Results from analytical solutions using grillage technique and finite element method are compared with the experimentalvalues of deflexions and flange edge stresses...
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HYDRAULIC FORCES ON RAILS FOR VERTICAL LIFT, HIGH HEAD GATES.
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- pp. 73–85
- Authors: DG WARDLE; DA CROW
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1080
- Proc. Instn Ciu.Engrs, Part 2, 1985,79, Mar.,73-85 PAPER 8849 WATERGROUP ENGINEERING Hydraulic forceson rails for vertical lift, high headgates D. G. WARDLE, BSc(Eng), ACC-I,MICE, DipHE(Delft)* D. A. CROW, BSdEng)? Vertical lift gates,operatingunder high differentialwaterheads at intakesandsimilar locations, are normally provided with wheels which run on steel rails fixed to steel parts previously embedded in the gate slot downstream wall. The rails and fixings are normally designed to resist the forces exerted on them by the wheels when the gate is in place...
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THE HYDRAULIC ROUGHNESS OF SLIMED SEWERS.
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- pp. 87–104
- Authors: JA PERKINS; IM GARDINER
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1081
- Proc. Instn Cio. Engrs, Part 2, 1985,79, Mar., 87-104 PAPER 8850 GROUP WATER ENGINEERING The hydraulic roughness of slimed sewers J. A. PERKINS, BScTech, DIC, MICE* I. M. GARDINER, MA* Experiments have been carried out to determine the effect of sliming on the roughness of sewers. An experimental rig, comprisingfourdifferenttypes of pipematerial, was constructed at a sewage pumping works: sewage was circulated through the rig and regular determinations of the roughness were made for periods of from six to eleven months...
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FREE VIBRATIONS OF OUTRIGGER-BRACED STRUCTURES.
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- pp. 105–117
- Authors: FR MOUDARRES; A COULL
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1082
- Proc. Instn Ciu. Engrs, Part 2, 1985,79, Mar., 105-117 PAPER 8852 STRUCTURAL ENGINEERING GROUP Free vibrationsof outrigger-braced structures F. R. MOUDARRES, BSc,PhD* A. COULL, BSc, PhD, FRSE, FICE, FIStructE, FASCEt The field transfer matrix technique is used to determine the natural frequencies of a tall outrigger-braced structure. The effects of bending, shear and rotatory inertia are included in the analysis. The influences of the relative flexural and axial stiffnesses of the core, outrigger and columns on the frequencies are studied, and the optimal height for the outrigger is investigated...
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ANALYSIS OF SHEAR-WALL AND SHEAR-CORE ASSEMBLY SUBJECTED TO LATERAL AN D TORSIONAL LOADING.
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- pp. 119–133
- Authors: D HO; CH LIU
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1083
- Proc. Instn Ciu. Engrs, Part 2, 1985,79, Mar., 119-133 PAPER 8881 STRUCTURAL ENGINEERING GROUP Analysis of shear-wall and shear-core assembly subjected to lateral and torsional loading DUEN HO, BSc, PhD, DIC, MICE* CH1 H 0 LIU. BSc* A method is proposed for the analysis of shear-wall and shear-core assemblies subjected to general loading. The method is a combinationof the finite strip methodand the continuum method. Formulation is simple and the calculations can be readily programmed on a microcomputer...
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APPLICATION OF THE BRITISH CODE OF PRACTICE ON WIND LOADING IN AREAS S UBJECT TO TYPHOON WINDS.
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- pp. 135–148
- Authors: LCH LAM; RP LAM
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1084
- Proc. Instn Ciu. Engrs, Part 2, 1985,79, Mar., 135-148 PAPER 8884 STRUCTURAL ENGINEERING GROUP Application of the British Code Practice of on Wind Loading in areas subject to typhoon winds L. c. H. LAM, BSc(Eng),PhD,MICE* R. P. LAM, BSc(Eng), PhD, MICE, MIStructE* of In response to the lack of a satisfactory wind loading code of practice for the design buildings and structures in the coastal regions of south-east Asia, vulnerable to the attackof tropical cyclones, this Paper proposes the application of the design concepts of the British Wind Code CP3: Chapter V : Part 2 as a basis for the estimation of gustloadings in typhoons...
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A STUDY OF TWENTY FIVE YEAR OLD PULVERIZED FUEL ASH CONCRETE USED IN F OUNDATION STRUCTURES.
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- pp. 149–166
- Authors: JG CABRERA; GR WOOLLEY; CEGB
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1085
- Proc. lnstn Ciu. Engrs, Part 2, 1985,79, Mar.,149-165 PAPER 8885 STRUCTURAL ENGINEERING GROUP A study of twenty-five year oldpulverized fuel ash concreteused in foundation structures J. G. CABRERA, Dipl. h g . * G. R. WOOLLEY, FICEt It is unusual for detailed records to be preserved beyond the construction stages of reinforced concrete structures, but one exception occurs in the case of the concrete foundations of the 275 kV substation at High Marnham Power Station built in 1957. Twenty-five years of later these foundations have been examined in detail and the Paper presents findings this examination...
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YIELD AND BUCKLING STRENGTH OF T, Y AND X JOINTS IN RECTANGULAR HOLLOW SECTION TRUSSES. TECHNICAL NOTE.
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- pp. 167–180
- Authors: J SZLENDAK; J BRODKA
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1086
- Proc. Instn Ch. Engrs, Part 2, 198.5,79, Mar., 167-180 TECHNICAL NOTE 397 STRUCTURAL ENGINEERING GROUP Yield and buckling strengthof T, Y and X joints in rectangular hollowsection trusses J. SZLENDAK, BE, MSc, PhD* J. BRODKA, BE, MSc, P h D t When rectangular hollow sections arewelded together to produce truss jointsof T, Y and X shapes, and the bracing members are loaded by compression, experiments have shown that the most common failure mode involves a mechanism with the bracing punching into the face of chord member...
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TECHNICAL NOTE. SHEAR STRESS DISTRIBUTION IN MASONRY ELEMENTS.
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- pp. 181–191
- Authors: MA ROUF; F SAWKO
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1087
- Proc. Insrn Cio. Engrs, Part 2, 1985.79, Mar., 181-191 TECHNICAL NOTE 425 STRUCTURAL ENGINEERING GROUP Shear stressdistribution in masonry elements M. A. ROUF, MSc,BSc, MIE (Dhaka)* F. SAWKO, DSc, MSc, MICE, MIStructE, MAmSocCEt The Technical Note derivesfromfirstprinciples,analyticalexpressions for shearstress distribution in a masonry element exhibiting a parabolic stress-strain relationship in compression.Itisdemonstrated that the shearstressdistributiondepends not only on the magnitude of the shear force actingon the cross section, the geometric properties,but also on the normal strain distribution...
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TECHNICAL NOTE. EXTENSION OF THE S-CURVE METHOD OF UNIT HYDROGRAPH TRANSFORMATION.
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- pp. 193–201
- Authors: DW REED; FORTRAN
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1088
- Proc. Instn Ciu. Engrs, Part 2, 1985,79, Mar., 193-201 TECHNICAL NOTE 439 WATER ENGINEERING GROUP Extension of the S-curve method unit of hydrograph transformation D. W. REED, BSc, PhD, AFIMA MIWES* The S-curve method is a standard technique for transforming a unit hydrograph from one period (or standard duration of rainfall) to another. The Notedescribes an extension of the method to provide a means transforming a unit hydrograph derived at onesite foruse at a of nearby ungauged site. An algorithm is presented which avoids undue irregularities in the transformed unit hydrograph...
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TECHNICAL NOTE. SIMULATION OF CHANNEL STEEPENING IN THE MARALA-RAVI LINK CANAL.
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- pp. 203–209
- Authors: KVH SMITH; S KAEWYEN
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1089
- Proc. Instn Civ. Engrs, Part 2,1985.79. Mar., 203-209 TECHNICAL NOTE 4 0 4 ENGINEERING WATER GROUP Simulation of channel steepening in the Marala-Ravi Link Canal K. V. H. SMITH, MSc, PhD, MICE, MIStructE, MASCE, FIPHE* S. KAEWYEN, MSc? The Marala-Ravi Link Canal was constructed in Pakistan with the purpose of conveying water between different tributaries the River Indus in order to make up water of deficiencies resulting from diversionselsewhere. Because of its large designed discharge capacity,it was included in an observation programme which monitored discharges, sediment transport, to some bed elevations and so on...
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FULL-RANGE RESPONSE OF UNIFORMLY LOADED CLAMPED CIRCULAR STEEL PLATES: COMPARISONS BETWEEN THEORY AND EXPERIMENT.
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- pp. 211–213
- Authors: GT LIM; GJ TURVEY; R HAYTHORNTHWAITE
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1090
- Proc. lnstn Ciu. Engrs, Part 2,1985,79, Mar., 211-213 DISCUSSION ON PAPER 8759 Full-range response of uniformly loaded clamped circular steel plates:comparisons between theory and experiment G. T. Lim and G .J. Turvey Dr R. M. Haythornthwaite, Temple University, Philadelphia The Authors assert that rigid-plastic analysis cannot account for plate stretching, i.e. membrane action, in clamped circular plates. This may be true of the various rigid-plastic bending theories when applied to plates with a slenderness (diameter/ thickness) of 20 or more, but in that case, predictions based on Hill's rigid-plastic membrane theoryz3 often become serviceable: they are always conservative when the predicted deflexion rate exceeds the initial elastic deflexion rate...
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DISCUSSION OF TECHNICAL NOTE. A SIMPLE EXPLICIT FORMULA FOR THE ESTIMATION OF PIPE FRICTION FACTOR.
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- pp. 215–221
- Authors: JJJ CHEN; DIH BARR; AB SWANN; DJ ZIGRANG; ES WEBBER; COLEBROOK WHITE
- Document Type: Discussion
- DOI: 10.1680/iicep.1985.1091
- Proc. Instn Ciu. Engrs, Part 2, 1985,79, Mar., 215-221 DISCUSSION ON TECHNICALNOTE400 A simple explicit formula for the estimation of pipe friction factor J. J. Chen J. Professor D. I. H. Barr, University ofStrathclyde The Author has surveyed the development of approximations to the ColebrookWhite function' which are explicit for solution for piezometric gradient. In so doing he has uncovered some instances of the many attempts to establish such new approximations. But if this task is worth doing, it is worth doing as correctly asis reasonably feasible...
DISCUSSION OF TECHNICAL NOTE. INVESTIGATIONS OF THE ENGINEERING PROPERTIES OF OPC/PULVERIZED FUEL AS H CONCRETE: STRENGTH DEVELOPMENT AND MATURITY.
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- pp. 223–225
- Authors: RK DHIR; JGL MUNDAY; LT ONG; CF KEE
- Document Type: Discussion
- DOI: 10.1680/iicep.1985.1092
- Proc. Instn Ciu. Enyrs, Part 2,1985,79,Mar,, 223-225 DISCUSSION ON TECHNICAL NOTE 404 Investigations of the engineering properties of OPC/pulverized fuel ash concrete : strength development and maturity R. K. Dhir, J. G. L. Munday andL. T. Ong Dr Chin Fung Kee, Jurutera Konsultant (SEA)Sdn Bhd,Kuala Lumpur Inthestudy (Chin") of the published results of Klieger,20.21Ackroyd and Rhodes," McIntosh," A~hworth,'~ Gonnerman and LerchZ5and Shideler,26 it was found that the relationship between strength and age or maturity of concrete was better represented by the rectangular hyperbola D/q = mD f C (1) where q is the strength at age D or maturity M ; and C and m are constants...
THE EFFECTS OF SHEAR DEFORMATIONS ON THE SHEAR CENTRE OF OPEN-SECTION THIN-WALLED BEAMS.
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- pp. 227–229
- Authors: B STAFFORD-SMITH; A ABATE; P WALDRON; B STAFFORD- SMITH
- Document Type: Research Article
- DOI: 10.1680/iicep.1985.1093
- Proc. Instn Ciu. Engrs, Part 2,1985,79, Mar.,221-229 DISCUSSION ON TECHNICAL NOTE 405 The effects of shear deformations on the shear centre of open-section thin-walled beams B. Stafford Smith and A. Abate Dr P. Waldron, University of Bristol In this interesting Technical Note the Authors have clearly demonstrated one of the problems of applying classical theory to real engineering problems: assumptions are often made to permit a solutionin closed form which may conform only approximately to the actual situation. 31. In the field of thin-walled structures, Vlasov's outstanding contribution' has enabled the analysis of shear cores and box girder bridges to be undertaken without recourse to generalized computer methods...
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ICE - Institution of Civil Engineers - Virtual Library

ICE Proceedings

Volume 79, Issue 1, March 1985