...; concretes with siliceous aggregate have the highest values and those with limestone aggregate the lowest, whilst concretes with igneous aggregate have intermediate values. The coefficient of thermal expansion of neat hydrated cement is higher than that of any aggregate measured. The richer mixes tend...

...F M LEA; N DAVEY © 1949 Thomas Telford Ltd 1949 DETERIORATION CONCRETE STRUCTURES MATERIALS MIXES PORE WATER CEMENT RATIOS AGGREGATES AIR ENTRAINING INTERNAL CHANGE THERMAL MOVEMENT DRYING SHRINKAGE REVERSIBLE WETTING FROST ATTACK CORROSION REINFORCEMENT EROSION...

... EQUIPMENT COMPACTION BOX WORKABILITY VIBRATING VIBROTAMPING WATER MIX MIXERS MIXES MIXING SCREEDS OSCILLATING IN GRAVITY DAMS. 483 McHenry. A Paper presented to the Royal Society in 1941 1 had outlined the methods used, but unfortunately the conditions of wartime secrecy had not permitted...

... in setting, the following being the results of actual experience a t the Gorge dam :- A concrete mix containing 600 lb. of cement per cubic yard of concrete showed an average temperature-rise on setting amounting to 53"F. above air temperature, whereas if only 300 lb. were used-which is the proportion...