Research On Subgrade Compaction And Quality Control Measures Of Yingshuang Highway

This paper mainly based on Ying-shuang highway engineering，conduct a test on testingk454+300-k454+600, located on the testing roadbed treatment of foundation, filling process,detection method and other quality control measures, etc. Develop a more in-depth study ofthe system. The main works are as follows.(1)Through the load test, dynamic penetration test, determinate the bearing capacity offoundation soil of wind-blown sand, and put forward the corresponding foundation treatmentmethod.(2)Use the20T double drive vibratory roller vibrate strongly, vibrate weakly, andbulldozers rolling methods, in the state of natural water content, filling the layered RCCconstruction on wind-blown sand subgrade. Use the large and small circular knives andstatic pressure type soil sampler, determinate the wind-blown sand subgrade compactiondegree, according to the test results, give the following recommend, construction rollingtechnology and quality inspection methods about wind-blown sand subgrade.(3)Do the resilience modulus and deflection testing on the wind deposited sand subgradeand sealing layer top surface, then put forward the wind-blown sand subgrade designparameters.(4)Through the field of engineering entity test, analyzed the content and projectacceptance of the evaluation standard. Put forward the acceptance reasonable standards andallow deviation of sand subgrade project.