Independent underground or underwater structures Retaining walls

EFIXED CONSTRUCTIONS E02Hydraulic engineering E02DFOUNDATIONS EXCAVATIONS, EMBANKMENTS UNDERGROUND OR UNDERWATER STRUCTURE

E02D29/00Independent underground or underwater structures Retaining walls

E02D29/02Retaining or protecting walls E02D29/0208Gabions E02D29/0216Cribbing walls E02D29/0225comprising retention means in the backfill E02D29/0233the retention means being anchors E02D29/0241the retention means being reinforced earth elements E02D29/025made up of similar modular elements stacked without mortar E02D29/0258not used, see subgroups E02D29/0266made up of preformed elements E02D29/0275cast in situ E02D29/0283of mixed type E02D29/0291made up of filled, bag-like elements E02D29/04Making large underground spaces E02D29/045Underground structures E02D29/05at least part of the cross-section being constructed in an open excavation or from the ground surface E02D29/055further excavation of the cross-section proceeding underneath an already installed part of the structure E02D29/06Constructions, or methods of constructing, in water E02D29/063Tunnels submerged into, or built in, open water E02D29/067Floating tunnels Submerged bridge-like tunnels E02D29/07Tunnels or shuttering therefor preconstructed as a whole or continuously made, and moved into place on the water-bed E02D29/073Tunnels or shuttering therefor assembled from sections individually sunk onto, or laid on, the water-bed E02D29/077Tunnels at least partially built beneath the water-bed characterised by being made by methods involving disturbance thereof all along the location line E02D29/08Siphons E02D29/10Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes Making conduits in situ, e.g. of concrete Casings E02D29/12Manhole shafts Other inspection or access chambers Accessories therefor E02D29/121characterised by the connection between shaft elements E02D29/122Steps or handrails for shafts E02D29/124Shaft entirely made of synthetic material E02D29/125characterised by the lining of the shaft E02D29/127with devices for impeding fall or injuries of persons E02D29/128Repairs of manhole shafts E02D29/14Covers for manholes or the like Frames for covers E02D29/1409adjustable in height or inclination E02D29/1418with implements to assist in lifting E02D29/1427Locking devices E02D29/1436with overflow or explosion control means E02D29/1445Tools for positioning or removing cover frames E02D29/1454Non-circular covers E02D29/1463Hinged connection of cover to frame E02D29/1472Cover entirely made of synthetic material E02D29/1481Security devices E02D29/149Annular gaskets E02D29/16Arrangement or construction of joints in foundation structures