Reinforced concrete tunnel lining system - uses special blocks with sloping edges to conform with bends in tunnel
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METHOD OF CREATING UNDERGROUND CAVITIES
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Staged multi-span reinforced concrete bridge erection - using supports carried through roadway edge cut=outs and fixed to pier
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Hydraulically pressurised tunnel lining - is circular resilient element with pressure applied at sides enabling top to resist roof pressure
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Compound tunnel lining for use in mountain tunnels - includes layers of porous injection moulded elastomeric plastic, matted fibre, silt and water resistant layer
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Underground chambers with domed ceilings - are made by excavating under domed ceiling in open trench
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Freely forwarded sectioned multi course reinforced concrete bridge - has loads indirectly lowered on completed superstructure and directly on next pier
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Combined metal and concrete tunnel lining - has archways and intermediate reinforcing rods between mats embedded in lining layer
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Noise protection wall with noise absorbing layers - has primary and secondary noise absorbing layers on concrete plate
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Composite outdoor noise-screening wall - is made of sound-deadening reinforced concrete and plastic-bonded web-reinforced porous elastomer panels
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Circular section tunnel supports - fore poled bars along abutment lines form part of permanent arch work
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Permanent building trench securement - with concrete bays cast in situ between reinforced prefabricated concrete beams
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Rail-level-correctable sleeper tie-plates - have play allowed in cut outs holding fitting-pieces with offset centre-line holes
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Prefabricated component reinforced-concrete high-diving-board - with beams under jump-off panels and uprights statically forming storey-frame together
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Rapidly assembled prefabricated building elements - with dimensions of elements of defined relationship to matrix spacing
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PROCESS FOR SECURING THE OUTBREAK AND LIMITING MOUNTAIN DEFORMATIONS IN THE MOUNTAIN MANNICAL PRODUCTION OF TUBE-SHAPED CAVES
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LINING OF AN UNDERGROUND CAVITY
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PROCEDURE AND ARRANGEMENT FOR CONNECTING PREFABRICATED CEILING PANELS TO BASE
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PROCESS FOR THE MILLNICHE PRODUCTION OF SEVERAL CAVITY
