Shanghai Daoqin Plastics Co., Ltd.

deep high speed corporation has company 陈拥军硕士 in 《 in outer 公路》杂志2006 year NO6期 analysis pressure mechanism,进行 multiple parameters combined lower molding experiment/testing,并以 density and resistant pressure strong/high degree is indicators evaluation its pressure 实效果, most selection for/regarding research stability mixed combined material most 佳振动 parameters combined. 我国 沥青 mixed combined material combined ratio design is 按马歇尔 experiment/testing method 进行. 但马歇尔 standards is fine material grade 配沥青 mixed combined material is 基础建立起, inner outer for 马歇尔击实 standards is suitable coarse material is 主 沥青 mixed combined material has different 意见. especially is stability 碎石基层 mixed combined material grade 配, large, coarse material content more, using/adopting 马歇尔击实 method molding, easy formed material 破碎, especially is most large 粒径附近 集 material 破碎, from 而改变 grade 配, most effect/influence to mixed combined material property 质. another, inner experiment/testing as is 现场施工指导 基础, force make inner experiment/testing true positive 模拟现场 工况, inner 马歇尔击实 molding and 施工现场 振动 pressure methods 并不一致, from formed its pressure 实效果也不尽 same. therefore has necessary for stability 碎石基层 mixed combined material molding methods research.