Investigation of the Black Rock Issue for Recycled Asphalt Mixtures

沥青 沥青路面 岩土工程 剪切(地质) 材料科学 工程类 复合材料
作者
H. Soleymani,Rebecca McDaniel,Magdy Abdelrahman
链接
摘要

As part of the NCHRP 9-12 research, Incorporation of Reclaimed Asphalt Pavement in the Superpave System, a study was conducted top investigate whether Reclaimed Asphalt Pavement (RAP) acts like a black rock when added to hot mix asphalt mixtures. If RAP performs like a black rock, the assumption behind using a blending chart in the design of recycled asphalt mixtures is not valid. In addition, with the implementation of Superpave for selection of materials and design of the asphalt mixtures, it is necessary to characterize asphalt mixtures containing RAP with the Superpave parameters. In this study, three RAPs with different stiffnesses, two new binders, and two RAP ratios were used. Three possible interactions between new and old binders in the RAP were considered and three mixture cases were made. These three mixture cases were total blending, standard practice (real world) and black rock. Using the Superpave Shear Tester (SST) different shear tests, including repeated shear at constant height, simple shear and frequency sweep tests, were conducted on all mixtures to compare the three mixture cases. The results showed that at a low RAP ratio, 10 percent, there was not a significant difference between the three mixture cases but for 40 percent RAP ratio, the standard practice (real world) mixtures were closer to the total blending that the black rock. Statistical analysis verified this observation for most studied cases.

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
Sun_Chen完成签到,获得积分10
刚刚
体贴凌柏发布了新的文献求助10
1秒前
成就的笑南完成签到 ,获得积分10
1秒前
2秒前
2秒前
wyw123完成签到,获得积分10
2秒前
求大佬帮助完成签到,获得积分10
2秒前
李健的小迷弟应助zyq采纳,获得10
3秒前
陈隆完成签到,获得积分10
3秒前
哎呀完成签到 ,获得积分10
3秒前
量子星尘发布了新的文献求助10
4秒前
mary完成签到,获得积分10
4秒前
4秒前
朱成豪发布了新的文献求助10
6秒前
deallyxyz应助科研通管家采纳,获得10
6秒前
科目三应助科研通管家采纳,获得10
6秒前
大个应助科研通管家采纳,获得10
6秒前
比比谁的速度快应助曾珍采纳,获得50
6秒前
6秒前
予修应助科研通管家采纳,获得10
6秒前
搜集达人应助科研通管家采纳,获得10
6秒前
wanci应助科研通管家采纳,获得30
6秒前
6秒前
6秒前
吹雪完成签到,获得积分0
6秒前
美好的尔白完成签到,获得积分10
6秒前
O-M175完成签到,获得积分10
7秒前
Jasper应助hahaha123213123采纳,获得10
7秒前
可爱的函函应助天天向上采纳,获得10
8秒前
陈隆完成签到,获得积分10
12秒前
12秒前
高乾飞完成签到 ,获得积分10
13秒前
河大青椒完成签到,获得积分10
13秒前
丘比特应助动听的秋白采纳,获得10
14秒前
晒黑的雪碧完成签到,获得积分10
15秒前
yao chen完成签到,获得积分10
16秒前
catch完成签到,获得积分10
16秒前
Hrx完成签到,获得积分10
16秒前
哎呀哎呀25完成签到,获得积分10
17秒前
20秒前
高分求助中
【提示信息,请勿应助】关于scihub 10000
Les Mantodea de Guyane: Insecta, Polyneoptera [The Mantids of French Guiana] 3000
徐淮辽南地区新元古代叠层石及生物地层 3000
The Mother of All Tableaux: Order, Equivalence, and Geometry in the Large-scale Structure of Optimality Theory 3000
Handbook of Industrial Diamonds.Vol2 1100
Global Eyelash Assessment scale (GEA) 1000
Picture Books with Same-sex Parented Families: Unintentional Censorship 550
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 4038368
求助须知:如何正确求助?哪些是违规求助? 3576068
关于积分的说明 11374313
捐赠科研通 3305780
什么是DOI,文献DOI怎么找? 1819322
邀请新用户注册赠送积分活动 892672
科研通“疑难数据库(出版商)”最低求助积分说明 815029