|
EP0435823A1
|
|
Lattice girder for concrete cover
|
|
CH674535A5
|
|
Concrete-wall formation method against rock face - involves installing reinforcing members protruding from shuttering after delivery to site
|
|
CH674546A5
|
|
Construction of reinforced concrete wall in tunnel - whereby concrete is sprayed over mesh direct on to rock face
|
|
CH673315A5
|
|
Tunnel lining of plates forming arch - has lugs securing plates together in lengthwise direction fixed to protruding ribs plates typically by welding
|
|
CH656429A5
|
|
Arched installation element of steel and its use
|
|
YU4378A
|
|
Panelling and reinforcing grid
|
|
YU193778A
|
|
Panel and reinforcing grid
|
|
CH620272A5
|
|
Formwork and reinforcement grid
|
|
CH606672A5
|
|
Backfilled rock face concreting form and reinforcement grid
|
|
CH606770A5
|
|
Mine gallery anchorage rod
|
|
DE2619244A1
|
|
Mine roadway support system - adjoining lagging sheets have bends and pleats intermeshing where overlapped
|
|
CH590384A5
|
|
Wet concrete supply and spraying appliance - with additional air ducts opening into pipe and compressed air duct on outlet
|
|
CH579445A5
|
|
Concrete mixer supplying pneumatic conveyor - horizontal drive shaft through sealed housing supports helical conveying strip
|
|
US3938786A
|
|
Apparatus for wet spraying of concrete
|
|
YU274172A
|
|
Device for spreading moist concrete
|
|
DE2241697A1
|
|
PROCEDURE FOR SECURING THE MOUNTAIN DURING MECHANICAL TUNNEL DRIVING WITH THE TUNNEL CUTTER
|
