Crushed Sand Grading and Quality Control Along Pu Xuan Highway

Zhao-lei LIU, Lei YU, Lei CHEN


Making an investigation on crushed sand along Pu Xuan highway. Stone power content is much more than nature sand. Comparing national standard and department standard, coarse particle larger than 2.36mm and fine particle smaller than 0.15mm are much more than standard. Adjusting partial sieve residue, crushed sand grading can reach standard level. By discarding all of particle larger than 4.75mm and part of ones smaller than 0.15mm, crushed sand grading can reach the second zone standard level. It can be used in concrete for bridge beam and slab.


Crushed sand, Grading, Stone powder content, Dedusting, Quality control


Full Text:



  • There are currently no refbacks.