山西建筑
山西建築
산서건축
SHANXI ARCHITECTURE
2011年
30期
120-121
,共2页
多年冻土%沥青混合料%级配类型%劈裂指标
多年凍土%瀝青混閤料%級配類型%劈裂指標
다년동토%력청혼합료%급배류형%벽렬지표
permafrost%asphalt mixture%grading type%splitting characteristics
结合青藏高原多年冻土地区年平均气温低、温差大等气候特点,研究AC-13与AC-16级配的SBR改性沥青混合料在不同温度、不同油石比下的劈裂性能,研究表明,AC-16与AC-13级配相比,在低温下,其混合料强度及弯拉应变相对都较大,在多年冻土地区有更好的适用性。
結閤青藏高原多年凍土地區年平均氣溫低、溫差大等氣候特點,研究AC-13與AC-16級配的SBR改性瀝青混閤料在不同溫度、不同油石比下的劈裂性能,研究錶明,AC-16與AC-13級配相比,在低溫下,其混閤料彊度及彎拉應變相對都較大,在多年凍土地區有更好的適用性。
결합청장고원다년동토지구년평균기온저、온차대등기후특점,연구AC-13여AC-16급배적SBR개성력청혼합료재불동온도、불동유석비하적벽렬성능,연구표명,AC-16여AC-13급배상비,재저온하,기혼합료강도급만랍응변상대도교대,재다년동토지구유경호적괄용성。
The effects of the temperature and the asphalt-aggregate ration on splitting characteristics of AC-13 grading and AC-16 grading asphalt mixtures were investigated in the laboratory combining with the climate feature of low annual mean temperature and large temperature difference in Qinghai-Tibet Plateau.The results show that the splitting strength and stiffness of AC-16 grading was larger than AC-13 grading,and when temperature is lower,it is more significant advantage.
