The absorption value helps technicians understand how much water the sand will "steal" from a concrete mix. If absorption is high and not accounted for, the concrete will be too dry and difficult to work with. 3. Voids in Mineral Aggregate (VMA)
The SSD state is reached when the sand "slumps" slightly upon removing the mold. Step 3: Weighing Once SSD is reached, three weights are typically recorded: Mass of the SSD sample in air. Mass of the pycnometer filled with water. astm c128 pdf
⚠️ Warning: Free PDFs from unauthorized websites are often outdated, incomplete, or copyright-infringing. Always use the official standard for legal/engineering work. The absorption value helps technicians understand how much
A conical metal mold and a metal tamper (340g) used to determine the Saturated Surface-Dry (SSD) condition. astm c128 pdf