CAJ | 학술논문

针对沥青路面抗剪强度不足而容易导致推移、拥包、车辙等早期病害的现象,基于沥青路面弹性层状理论,通过有限元建立符合实际受力的贯入模型;由单轴贯入试验分别得到不同级配、相同级配有无填加矿粉、不同油石比、不同沥青种类、不同集料类型沥青混合料的最大剪应力并分别结合1组相应的无侧限抗压强度进而计算出材料的c、φ值.通过数据分析后,初步总结出影响沥青混合料抗剪强度变化的一般规律.
침대력청로면항전강도불족이용역도치추이、옹포、차철등조기병해적현상,기우력청로면탄성층상이론,통과유한원건립부합실제수력적관입모형;유단축관입시험분별득도불동급배、상동급배유무전가광분、불동유석비、불동력청충류、불동집료류형력청혼합료적최대전응력병분별결합1조상응적무측한항압강도진이계산출재료적c、φ치.통과수거분석후,초보총결출영향력청혼합료항전강도변화적일반규률.
To cope with the lower shear strength of asphalt pavement leading to early diseases such as slippage, upheaval and rutting, based on asphah pavement layered elastic theory, the penetration model in line with the actual forcing was established through finite element method. The maximum shear stresses of asphalt mixture with different gradations, same gradation with/without filled mineral fines, different asphalt contents, different asphalt types and different aggregate types were obtained from uniaxial penetration test, then c and φ values of these materials were calculated respectively with a group of corresponding unconfined compressive strength. Through data analysis, the regularity of impact on asphalt mixture shear strength was summed up initially.