Indirect measuring devices such as LVDTs and strain gauges r… Indirect measuring devices such as LVDTs and strain gauges require Read Details
When 20% of the Portland cement is replaced with fly ash, th… When 20% of the Portland cement is replaced with fly ash, the 28-day compressive strength Read Details
When aggregates are in the moist condition with free moistur… When aggregates are in the moist condition with free moisture greater than zero, the actual mixing water added at the batch plant must be reduced to maintain the target water-cement ratio. Read Details
According to the absolute volume method of PCC contents dete… According to the absolute volume method of PCC contents determination, the unit weight of water is used to convert the required water mass into volume by dividing the weight in lb/yd³ (or kg/m³) by: Read Details
For base course applications, particle surface texture is co… For base course applications, particle surface texture is considered very important, while pore structure and porosity are generally unimportant or of unknown importance. Read Details
Minimum cementitious material content requirements are typic… Minimum cementitious material content requirements are typically higher for concrete exposed to Read Details
Air entrainment of 6–7% is generally required for concrete e… Air entrainment of 6–7% is generally required for concrete exposed to severe freeze-thaw conditions. Read Details
In the ACI mix design procedure, the volume of coarse aggreg… In the ACI mix design procedure, the volume of coarse aggregate is first determined based on the nominal maximum aggregate size and fineness modulus of the sand. Read Details
The area under the stress-strain curve up to the proportiona… The area under the stress-strain curve up to the proportional limit represents the modulus of resilience. Read Details