...P A S FERGUSON; A J RUNACRES; N A HILL © Thomas Telford and ICE 1991 SIR WILLIAM HALCROW DOCKLANDS GROUND CONDITIONS TUNNELLING METHODS STORMS SEWERAGE DRAINS TUNNELS UNDERGROUND SEWAGE STRATA ALLUVIUM GRAVEL CLAYS LONDON CLAY BEDS SAND CHALK GEOTECHNICS DESIGN...

... STIFFNESS PILES FLEXIBILITY BASEMENTS FOUNDATIONS LONDON CLAY NOISE VIBRATIONS DIAPHRAGM WALLING BEHAVIOUR PROPPED ANALYSIS Proc. Instn Civ. Enyrs, Part 1, 1991, 90, Dec., 1255-1277 958E5NDGIRISNCOEUESNRSDIINOGN GROUP Use of sheet pile retaining walls for deep excavations in stiff clay D. M...

...A F HOWLAND © Thomas Telford and ICE 1991 A F HOWLAND DOCKLANDS GEOLOGY SITE INVESTIGATION SYNCLINES GEOTECHNICS PARAMETERS FORMATION HYDROGEOLOGY AQUIFERS CLAYS LONDON CLAY DEPOSITS CHALK SAND GRAVEL BEDS ALLUVIUM STRATIGRAPHY LITHOSTRATIGRAPHY LONDON...

... tothe fill. 15. The Boyn Hill Gravel and the fill were assumed to remain drained, and the London Clay undrained, during construction. After construction, the excess pore pressure was dissipated back to the initial pore pressure distribution (Fig. 5). House of Commons car park 16. A description...

... Water reservoirs A. C .J. BAKER, BSc(Eng), FICE* A. N. JAMES, BSc, PhD* The tunnel described in this Paper is 6.1 km long, with a 2.54 m internal dia., and has been driven over most of its length in London Clay, using the wedge block expanded precast concrete lining system. It provides an alternative...

... to keep lengths in favourable London clay. Significantly, as London clay is cheaper to excavate than other materials, 70% or more of the mainwas routed through thematerial. When creating atunnel through London there are many other tunnels that it would have to pass over or under, in particular...

... months was incomplete at the time of preparation of the Paper. 41. It was appreciated that London clay wouldtakemanyyears to swell if wettedonlyfrom its upper surface. To acceleratetheprocess 42 vertical sand drains were installed in a triangular grid and the waltevrel wasmaintained at the fill surface...

... GRAVITY FED TUNNELS CONSTRUCTION DEEP CLAYS LONDON CLAY CAPACITY DEMAND ECONOMICS MANAGEMENT COSTS BENEFITS COST BENEFIT ESTIMATING SAVINGS FEASIBILITY STUDIES HYDRAULIC ANALYSIS SIMULATION DEVELOPMENT CONTROL OPTIMISATION HISTORY OPERATION MODES TRANSFER ROUTES SELECTION...

... taken by jacking techniques. It was shown that this technique can be done in London clay without buckling the thin-walled tubes. Fig. 3 of Paper 9138 shows that the results are similar using the normal or thin-walled samples. It might be argued that one type of sample gives slightly different results...

...AR DAWSON © Thomas Telford and ICE 1987 NOTTINGHAM UNIVERSITY ANCHORAGES GROUND GEOTECHNICS THEORY SHEAR TESTING TUBES STRAIN STRESS PILES BEHAVIOUR DATA DISTRIBUTION RESPONSES SAFETY FAILURES DESIGN TESTS CLAYS LONDON CLAY LIBRARIES BUILDINGS RETAINING WALLS...

...CA RAISON © Thomas Telford and ICE 1987 OVE ARUP & PARTNERS LONDON ANCHORAGES GROUND ANCHORS LIBRARIES DESIGN PARAMETERS TESTING COMPONENTS TRIALS FABRICATION TENDONS PREFABRICATED MATERIALS GROUTS SHEATHS BONDS SOILS CLAYS LONDON CLAY CAPACITY ULTIMATE...

..., dense sand and gravel overlying London clay with the groundwater at approximately 97 m SD (site datum, which represents a level 100 m below the Newlyn Ordnance Datum). Both investigations mentioned the existence of soft clay at the interface between the sandygravel and theLondon clay which wasa matterof...

... within the casing before it is withdrawn. Pressure can be applied to the grout during removal of casing. Next he considered the long-term behaviour of anchorages installed in London Clay. Readings showed a small fall-off in loadduringthe first six months of service but an insignificant change in thirteen...

... PRESSURE RESPONSES WATER DRAINAGE BLANKETS BASES GEOLOGY INSTABILITY LANDSLIPS DESIGN SEPARATION MEMBRANES STABILITY ANALYSIS MOVEMENT LONDON CLAY SLOPES MOTORWAYS M25 EARTHWORKS PERMEABILITY FOUNDATIONS DAMS LAYERS SILT PIEZOMETERS CLAYS SLIP RAILWAYS MATERIALS CONTRACTS...

...HSH THOMAS; RN CRAIG; RJ MAIR; WH WARD; P TEDD; J TEMPORAL; JB BURLAND; AJ HOWARD; JB BODEN; T BATEMAN; GK HASELDEN © Thomas Telford and ICE 1984 Proc. Instn Civ. Engrs, Part 1,1984,76, May, 571-588 DISCUSSION ON PAPER 8630 Observations on the behaviourof a pilot tunnel in London Clay...

... CIRCLES CIRCLES STRESS SITE INVESTIGATION CONTRACTS WORKS REMEDIAL LONDON CLAY TRIAL EXPLORATION CONSTRUCTION MANAGEMENT DESIGN HILL HALL LONDON ESSEX UK Proc. Instn Cio.Engrs, Part 1,1984,76,Feb.,201-220 PAPER 8705 Lessons to be learnt from an embankment failure D. M...

...IF SYMONS ASSESSMENT STABILITY IN SITU RETAINING WALLS CLAYS PROPPED OVER CONSOLIDATED FISSURES EMBEDDED LONDON CLAY EFFECT METHODS ANALYSIS INPUT PARAMETERS FACTORS SAFETY PENETRATION PORE DEPTH SENSITIVE WATER TABLE DISTRIBUTION EQUILIBRIUM PRESSURE WATER FRICTION...

...HSH THOMAS Proc. Instn Cio. Engrs, Part 1, 1983,74, Feb., 15-24 PAPER 8630 Observations on the behaviour of a pilot tunnel in London Clay as the main tunnelwas driven H. S. H. THOMAS, BSc, MPhil* A 29 ft 6 in i.d. tunnel was driven through London Clay containing two small pilot tunnels...

...RW COOKE; DW BRYDEN SMITH; D W B SMITH; MN GOOCH; DF SILLETT © Thomas Telford and ICE 1982 FOUNDATIONS LOArDS SETTLEMENT TALL BUILDINGS MULTI STOREY PILES RAFTS LONDON CLAY DISTRIBUTION SYMMETRICAL EFFECT INTERACTION STIFF CLAYS BEHAVIOUR PERIPHERAL INTERNAL STIFFNESS...

... RAFTS BEHAVIOUR PERIPHERAL DISPLACEMENT TESTS PRESSURE DISTRIBUTION FRICTION SETTLEMENT CLAYS LONDON CLAY PILES FLATS VERTICAL INTERIOR INVESTIGATIONS INSTALLATION BASES LONDON BRENT NORTH LONDON STONEBRIDGE UK Proc. Instn Civ. Engrs, Part 1,1981,70, Aug., 433460 8485...