... KING PIERS RESEARCH INSPECTION STRESS DISPLACEMENT DEFLECTION TESTS INSTRUMENTS INSTRUMENTATION RESEARCH INVESTIGATIONS TRIAL REPAIRS GROUTING GROUTS STITCHING BARS ROCKS ANCHORS REPLACEMENT SEALING VOUSSOIRS LIMESTONE BLOCKWORK COSTS WATERPROOFING RESTORATION RIBBLEHEAD...

... his method of operation carefully. In addition the earthworks design called for 600 mm of capping. The Contractor chose to construct a capping layer of 250 mm of lime stabilized material overlaid with 350 mm of selected crushed rock over some 40% of the scheme. Elsewhere, where capping was specified...

... is driven through a mixture of volcanic rocks and mudstones and has a fault passing through near its east portal. Large accessible voids were recorded above the crown's bricklining and evidence of several serious bulges of the lining were noted using photogrammetry. Distometer monitoring of these bulges...

... fences has often been employed. A permanent variation on this approach became possible during the design of a major road improvement on the Snake Pass, Derbyshire. At the time of the scheme construction in 1986 no research had been conducted on the effectiveness of solid (rock bunds) barriers. Further...