concreting works concrete constructions 98 concretes 74 iron-concrete constructions 48 building designing 39 architectural designs 38 road bridges 24 more ... encase works 23 tunneling works 22 material testing 14 tunnels 13 hydration 12 bridges 11 civil engineering 11 drfting 10 motorways 9 road tunnels 9 concrete lining 8 prestressed constructions 8 waterproof insulations 7 foot-bridges 7 surface treatment of materials 7 artist colours 6 history 6 museums 6 floors 6 underground structures 6 fiber-reinforced concretes 6 transport constructions 5 underground (transport) 5 less ...