Use of Waste Phonolite as Filler Material in Flexible Asphalt Pavements

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Science-medziagotyra Pub Date : 2023-10-31 DOI:10.5755/j02.ms.34101

Nihat MOROVA

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Abstract

I In the scope of the study, the use of waste phonolite (PW) obtained from phonolite wastewater formed during the processing of phonolite stone blocks as filler in hot-mix asphalt (HMA) was investigated. For this purpose, samples were produced with 4 %, 5 %, and 6 % PW mineral filler and 5 % limestone (LS) mineral filler. Phonolite supplied as waste was sieved through a sieve no 200 and made ready for use as a filler. HMA specimens were prepared with PW and LS at the rates of 3.5 %, 4 %, 4.5 %, 5 %, 5.5 %, and 6 % bitumen. For each filler ratio, a bituminous hot mix design was made by the Marshall method and optimum bitumen ratios (OBR) were determined. Bituminous hot mixture specimens were prepared based on OBR. Retained Marshall stability (RMS) test, indirect tensile strength (ITS), and moisture damage resistance tests and Marshall stability (MS) test after the freeze-thaw (F-T) cycle was applied to the prepared Marshall samples. The results obtained were evaluated according to the Turkish Highway Technical Specification (HTS). As a result, it was determined that the PW could be used as filler in HMA under low-intensity traffic.

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废Phonolite用作柔性沥青路面填料的研究

在研究范围内，研究了利用phonolite石块加工过程中产生的phonolite废水获得的废phonolite (PW)作为热混合沥青(HMA)的填料。为此，用4%、5%和6% PW矿物填料和5%石灰石(LS)矿物填料生产样品。作为废物提供的Phonolite通过200号筛进行筛选，并准备用作填料。分别以沥青3.5%、4%、4.5%、5%、5.5%和6%的比例添加PW和LS制备HMA样品。针对不同的填料配比，采用马歇尔法进行沥青热混合料设计，确定最佳沥青比(OBR)。采用OBR法制备了沥青热混合料试样。对制备的马歇尔样品进行冻融循环后的马歇尔稳定性(RMS)、间接抗拉强度(ITS)、抗湿损伤性能和马歇尔稳定性(MS)试验。根据土耳其公路技术规范(HTS)对所得结果进行了评价。结果表明，在低强度交通条件下，PW可以作为HMA的填料。

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来源期刊

Materials Science-medziagotyra 工程技术-材料科学：综合

CiteScore

1.70

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： It covers the fields of materials science concerning with the traditional engineering materials as well as advanced materials and technologies aiming at the implementation and industry applications. The variety of materials under consideration, contributes to the cooperation of scientists working in applied physics, chemistry, materials science and different fields of engineering.