CAJ | 학술논문

为了深入分析半刚性基层沥青路面反射裂缝的破坏机理，文章运用有限拆分软件建立计算模型，在车辆正载和偏载作用下，分析含LSPM层的典型复合基层路面结构内沥青面层层底的力学响应，并比较半刚性基层开裂前后面层层底在裂缝尖端区域应力场的变化，以期为工程应用提供理论依据。
위료심입분석반강성기층력청로면반사렬봉적파배궤리，문장운용유한탁분연건건립계산모형，재차량정재화편재작용하，분석함LSPM층적전형복합기층로면결구내력청면층층저적역학향응，병비교반강성기층개렬전후면층층저재렬봉첨단구역응력장적변화，이기위공정응용제공이론의거。
In order to analysis the reflective crack destruction of semi-rigid base asphalt pavement , the paper apply FLAC to build up the computer model , Under the vehicle normal load and partial load , analysis the mechanical response of bottom of the asphalt surface level , that is typical composite basic level pavement structure contain LSPM level.And compare with the stress field's change at the crack tip area , it is bottom of the surface level bed , before and after of semi-rigid base crack .Expect to provide theoretical basis for engineering application .