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A platform for research: civil engineering, architecture and urbanism
German railroads roll on concrete
German Federal Railroads use concrete ties for strength and long range economy; two or four ribbed steel rods to each tie; rib reinforcements are about 2-in. apart, protruding from rod about 3-mm and are claimed to provide complete bonding of steel reinforcement and concrete; pressure resistance of 1200 lb per sq cm obtained.
German railroads roll on concrete
German Federal Railroads use concrete ties for strength and long range economy; two or four ribbed steel rods to each tie; rib reinforcements are about 2-in. apart, protruding from rod about 3-mm and are claimed to provide complete bonding of steel reinforcement and concrete; pressure resistance of 1200 lb per sq cm obtained.
German railroads roll on concrete
Concrete
Concrete ; 64
1956
Article (Journal)
English
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