Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Mix proportion design method of plant-mixed hot recycled asphalt mixture
The invention discloses a mix proportion design method of a plant-mixed hot recycled asphalt mixture, relates to the technical field of road engineering, and belongs to the hot recycling technology ofasphalt materials. According to the method of the invention, the high-temperature and low-temperature comprehensive properties of a hot recycled asphalt mixture are fully considered; the asphalt mixture is composed of materials of a performance-decided thermal regeneration asphalt mixture, improper selection of an optimal asphalt-aggregate ratio caused by the inaccurate evaluation of the aging degree of recycled asphalt in RAP, inaccurate volume index test and the like is avoided; therefore, an RAP mixing amount and the performance of the recycled asphalt mixture are influenced, the optimal asphalt consumption OAC of the hot recycled asphalt mixture is determined through the performance, and the pavement performance of the hot recycled asphalt mixture is ensured.
本发明公开了一种厂拌热再生沥青混合料的配合比设计方法，涉及道路工程技术领域，属于沥青材料的热再生技术。本发明充分考虑了热再生沥青混合料的高、低温综合性能，由性能决定热再生沥青混合料的材料组成，避免了因RAP中回收沥青老化程度评价不准确、体积指标测试不准确等导致的最佳油石比选取不当，从而影响RAP掺量以及再生沥青混合料的性能，实现了通过性能确定热再生混合料的最佳沥青用量OAC，确保热再生沥青混合料的路用性能。
Mix proportion design method of plant-mixed hot recycled asphalt mixture
The invention discloses a mix proportion design method of a plant-mixed hot recycled asphalt mixture, relates to the technical field of road engineering, and belongs to the hot recycling technology ofasphalt materials. According to the method of the invention, the high-temperature and low-temperature comprehensive properties of a hot recycled asphalt mixture are fully considered; the asphalt mixture is composed of materials of a performance-decided thermal regeneration asphalt mixture, improper selection of an optimal asphalt-aggregate ratio caused by the inaccurate evaluation of the aging degree of recycled asphalt in RAP, inaccurate volume index test and the like is avoided; therefore, an RAP mixing amount and the performance of the recycled asphalt mixture are influenced, the optimal asphalt consumption OAC of the hot recycled asphalt mixture is determined through the performance, and the pavement performance of the hot recycled asphalt mixture is ensured.
本发明公开了一种厂拌热再生沥青混合料的配合比设计方法，涉及道路工程技术领域，属于沥青材料的热再生技术。本发明充分考虑了热再生沥青混合料的高、低温综合性能，由性能决定热再生沥青混合料的材料组成，避免了因RAP中回收沥青老化程度评价不准确、体积指标测试不准确等导致的最佳油石比选取不当，从而影响RAP掺量以及再生沥青混合料的性能，实现了通过性能确定热再生混合料的最佳沥青用量OAC，确保热再生沥青混合料的路用性能。
Mix proportion design method of plant-mixed hot recycled asphalt mixture
一种厂拌热再生沥青混合料的配合比设计方法
ZHANG XIAOHUA (Autor:in) / ZHANG RONG (Autor:in) / ZHANG LINGBO (Autor:in) / MAO CHENG (Autor:in) / WANG HAIPENG (Autor:in) / ZHOU SHUIWEN (Autor:in) / LUO SIYU (Autor:in)
18.08.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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