RESULTS : The overall results showed that FNS can be applied as aggregate in a hot mix asphalt since ... the volumetric properties, physical and mechanical properties, and long-term performance of FNS in asphalt ... mixture with ferronickel slags as aggregate met the required standards according to Korean standards for Asphalt
based crack growth model is developed in this study to simulate the propagation of top-down cracking in asphalt ... Laboratory fatigue crack propagation tests for three different asphalt mixtures are performed at various ... viscoelastic fracture mechanics approach, generalized J integral, is employed to model the crack growth of asphalt
There are several methods determining an appropriate performance grade of virgin binder, which is re(erred as design binder, in RAP contained bitumin..
modified method for the preparation of activated carbon (P-ACA) using low-cost materials (mix natural asphalt ... The results have indicated that the mixture (Natural asphalt-polypropylene waste) is efficient for the
asphalt (CMA) technologies that allow production of asphalt pavement mixtures at comparatively lower ... temperatures than those of hot-mix asphalt (HMA) for use in pavement engineering. ... PURPOSES : There has been increasing interest in South Korea on warm-mix asphalt (WMA) and cold-mix
The asphalt material cores were extracted from each section then bending beam rheometer mixture creep ... RESULTS : As expected, the asphalt material from the negative driving performance section presented a ... In this study, the low-temperature performance of the selected asphalt pavement layer section was evaluated
the two-dimensional particle flow software package (PFC-2D) to study the complex behavior observed in asphalt ... This micromechanical modeling approach represents the early developmental stages towards a 'virtual asphalt
Recently, there has been a remarkable trend of using aggregates at sizes smaller than 13 mm for drainage asphalt ... Results of laboratory and field experiments on asphalt mixtures with several aggregate gradations are ... This paper proposes the use of large size aggregates in porous asphalt mixtures to overcome these defects
도로포장의 예측모형은 포장의 설계뿐 아니라 유지 관리의 목적으로도 매우 유용하다. 예측 모형이 정확할 경우 도로 포장의 유지 관리를 최적화 할 수 있다. 이 논문은 아스팔트 포장의 크랙(crack) 발생(initiation)과 전개(progression)의 예측모형을..
본 연구에서는 포장재료의 회복탄성계수 시험을 통하여 포장을 구성하는 각 층의 대표적 탄성계수 값을 결정하여 상대강도계수 결정의 이론적 근거를 만들고자 한다. 또한 노상토 및 각 포장재료의 탄성계수 값을 입력변수로 하여 다층탄성이론에 의한 포장구조해석과 점탄성해석에 의..
METHODS: In order to simulate recycled asphalt binders, fresh asphalt binders are aged by various Superpave ... RESULTS AND CONCLUSIONS : When considering aged asphalt without a new asphalt binder, it seems that the ... compared with the original asphalt binder.
At the end, the water permeability test were conducted using porous asphalt mixtures that were coated ... material the higher the water permeation capacity and void-blocking controlling effects of the porous asphalt ... quantitatively evaluated using the interfacial tension (γsl) with water for the coating material (high-viscosity asphalt
본 연구에서는 국내 실정에 적합한 장수명 아스팔트포장의 적용 기준을 마련하기 위해 일반국도에서 축적된 PMS DB를 활용하여장수명 아스팔트포장의 공용성 예측 모형을 만들고, 이를 근거로 장수명 아스팔트포장의 경제적 효과를 분석하였다. 먼저, PMS DB를 활용하여 소성..