CN113121180A - 一种马路井盖抢修料 - Google Patents

一种马路井盖抢修料 Download PDF

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CN113121180A
CN113121180A CN202110412594.7A CN202110412594A CN113121180A CN 113121180 A CN113121180 A CN 113121180A CN 202110412594 A CN202110412594 A CN 202110412594A CN 113121180 A CN113121180 A CN 113121180A
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裴真西
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Abstract

本发明公开一种马路井盖抢修料,由骨料、碳化硅细粉、水泥、硅灰和外加剂组成;所述骨料为63.7‑70.4重量份,碳化硅细粉为14.3‑15.8重量份,水泥为8.6‑9.5重量份,硅灰为7.1‑7.9重量份,外加剂为1.49‑1.65重量份。本发明提供的一种马路井盖抢修料的初凝时间为4min,终凝时间为13min,其30分钟抗压强度可达15Mpa,1天抗压强度达到30.7Mpa,3天抗压强度为34.1Mpa。因此,本发明的马路井盖抢修料可以实现抢修后30min即可恢复通车,且采用本发明这种马路井盖抢修料对路面进行抢修维护后无需在其表面涂刷沥青油即可达到与原沥青路面相一致的颜色,大大节省了抢修时间和工人的工作量,且修补后的路面耐磨性较好,具有较长的使用周期,降低道路维护成本。

Description

一种马路井盖抢修料
技术领域
本发明涉及抢修料技术领域,具体地说是一种马路井盖抢修料。
背景技术
目前市场销售的马路抢修料基本上都是以快硬硫铝酸盐水泥为结合剂、以普通砂石或石英砂为骨料,采用这种修补料进行路面抢修,通常需要6小时以后才能达到通车条件,且还需要在抢修后的路面涂刷一层沥青油才能与原沥青路面保持一致,费时费工,严重影响道路交通的畅通!另外,由于使用了快硬硫铝酸盐水泥作为结合剂,会导致修补后路面后期强度下降较快,耐磨性差且使用寿命基本都只有6个月左右。
发明内容
为此,本发明所要解决的技术问题在于提供一种马路井盖抢修料,以解决现有道路抢修料铺设后保养时间长、强度下降快、耐磨性差以及使用寿命短等问题。
为解决上述技术问题,本发明提供如下技术方案:
一种马路井盖抢修料,由骨料、碳化硅细粉、水泥、硅灰和外加剂组成。
上述马路井盖抢修料,所述骨料为63.7-70.4重量份,碳化硅细粉为14.3-15.8重量份,水泥为8.6-9.5重量份,硅灰为7.1-7.9重量份,外加剂为1.49-1.65重量份。
上述马路井盖抢修料,所述骨料为碳化硅骨料;所述碳化硅骨料由19-21重量份粒度0.074mm<d≤1mm的75#碳化硅、23.8-26.3重量份粒度1mm<d≤5mm的75#碳化硅和20.9-23.1重量份粒度5mm<d≤10mm的75#碳化硅组成。采用此种配比下的碳化硅骨料制备的马路井盖抢修料具有流动性好、用水量小的优点,且太阳光照射不易老化。
上述马路井盖抢修料,所述75#碳化硅中的SiC质量分数大于或等于75wt%。
上述马路井盖抢修料,所述碳化硅骨料或所述碳化硅细粉为废弃窑具和/或废弃滑板粉碎后得到的碳化硅废弃料。
上述马路井盖抢修料,所述碳化硅细粉中SiC质量分数大于或等于75wt%;所述碳化硅细粉过200目筛。
上述马路井盖抢修料,所述水泥为鸭牌电熔50水泥,所述水泥为黑色的CA50-925鸭牌电熔水泥,在马路井盖抢修料中起到粘结结合剂的作用;所述水泥中氧化铝的质量分数为50wt%。
上述马路井盖抢修料,所述硅灰为埃肯硅灰,可以增加马路井盖抢修料的强度,填补骨料和粉料之间的空隙,增加材料的密实度。
上述马路井盖抢修料,所述外加剂由水性炭黑、氢氧化锂和聚丙烯抗裂纤维组成。
上述马路井盖抢修料,所述水性炭黑为1.43-1.58重量份,水性炭黑为黑色,在马路井盖抢修料中主要起到着色剂的作用;所述氢氧化锂为0.019-0.021重量份,在马路井盖抢修料中主要起到促凝剂的作用,所述聚丙烯抗裂纤维为0.048-0.053重量份,聚丙烯抗裂纤维细如头发丝,具有良好的抗裂效果。
本发明的技术方案取得了如下有益的技术效果:
(1)本发明提供的一种马路井盖抢修料的初凝时间为4min,终凝时间为13min,其30分钟抗压强度可达15Mpa,1天抗压强度达到30.7Mpa,3天抗压强度为34.1Mpa。本发明的马路井盖抢修料可以实现抢修后30min即可恢复通车,且采用本发明这种马路井盖抢修料对路面进行抢修维护后无需在其表面涂刷沥青油即可达到与原沥青路面相一致的颜色,大大节省了抢修时间和工人的工作量,且修补后的路面耐磨性较好,具有较长的使用周期,降低道路维护成本。
(2)本发明采用特定配比下的不同粒度的碳化硅骨料作为马路井盖抢修料的骨料,具有流动性好、用水量小的优点,且太阳光照射不易老化;本发明使用的黑色CA50-925鸭牌电熔水泥,在马路井盖抢修料中起到粘结结合剂的作用,同时还有一定的调色效果;使用埃肯硅灰可以增加马路井盖抢修料的强度,填补骨料和粉料之间的空隙,增加材料的密实度;马路井盖修补材料中,水性炭黑为黑色,主要起到着色剂的作用;氢氧化锂主要起到促凝剂的作用,聚丙烯抗裂纤维细如头发丝,具有良好的抗裂效果。
具体实施方式
本实施例马路井盖抢修料由骨料、碳化硅细粉、水泥、硅灰和外加剂组成;其中,骨料为650kg,碳化硅细粉为145kg,电熔50水泥为88kg,硅灰为73kg的埃肯硅灰,外加剂为16.4kg。所述骨料由202kg粒度0.074mm<d≤1mm的75#碳化硅、238kg粒度1mm<d≤5mm的75#碳化硅和210kg粒度5mm<d≤10mm的75#碳化硅组成,所述75#碳化硅中的SiC质量分数为75%;所述碳化硅细粉过200目筛;所述碳化硅骨料为废弃滑板粉碎后得到的碳化硅废弃料,所述碳化硅细粉为废弃窑具粉碎后得到的碳化硅废弃料;所述碳化硅细粉中SiC质量分数为75wt%;所述水泥为鸭牌电熔50水泥,所述鸭牌电熔水泥为925号黑色水泥,水泥中氧化铝的质量分数为50wt%;所述外加剂由15.66kg的水性炭黑、0.21kg的氢氧化锂和0.53kg的聚丙烯抗裂纤维组成。
将本实施例的马路井盖抢修料按照JC/T 2381-2016的标准对其凝结时间和抗压强度进行检测,检测结果为:初凝时间为4min,终凝时间为13min;1d抗压强度为30.7Mpa,3d抗压强度为34.1Mpa,具体参见表1和表2。
按照100kg马路井盖抢修料加水15kg的比例,使用本实施例的马路井盖抢修料进行现场试验,抢修后30分钟可通车(30分钟抗压强度达到15Mpa及以上才可以通车)且表面无需再进行其他处理就和沥青路面颜色基本一致。本实施例的马路井盖抢修料耐磨性较好,使用寿命可达12月以上。
由于路面行驶车辆较多,大车、小车等不同重量的车辆对抢修路面所施加的压力以及产生的路面震动也忽大忽小。因此,本实施例还对抢修路面的后期强度进行了跟踪测量,得到了抢修路面的后期强度数值:28天后40Mpa、3个月后45Mpa、6个月后40Mpa、12个月后40Mpa。
由此可以说明,本实施例的马路井盖抢修料在实际应用中,随着时间的延长,其强度增呈现稳定上升的趋势,最高达到45MPa,随后维持在较高强度水平,使用寿命可达一年以上。
表1某建筑材料测试中心
检测报告
报告编号:XXXXXXX 第1页共2页
Figure BDA0003024488740000051
表2某建筑材料测试中心
检测报告
报告编号:XXXXXXX 第2页共2页
Figure BDA0003024488740000061
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本专利申请权利要求的保护范围之中。

Claims (10)

1.一种马路井盖抢修料,其特征在于,由骨料、碳化硅细粉、水泥、硅灰和外加剂组成。
2.根据权利要求1所述的马路井盖抢修料,其特征在于,所述骨料为63.7-70.4重量份,碳化硅细粉为14.3-15.8重量份,水泥为8.6-9.5重量份,硅灰为7.1-7.9重量份,外加剂为1.49-1.65重量份。
3.根据权利要求1所述的马路井盖抢修料,其特征在于,所述骨料为碳化硅骨料;所述碳化硅骨料由19-21重量份粒度0.074mm<d≤1mm的75#碳化硅、23.8-26.3重量份粒度1mm<d≤5mm的75#碳化硅和20.9-23.1重量份粒度5mm<d≤10mm的75#碳化硅组成。
4.根据权利要求3所述的马路井盖抢修料,其特征在于,所述75#碳化硅中SiC质量分数大于或等于75wt%。
5.根据权利要求3所述的马路井盖抢修料,其特征在于,所述碳化硅骨料或所述碳化硅细粉为废弃窑具和/或废弃滑板粉碎后得到的碳化硅废弃料。
6.根据权利要求1所述的马路井盖抢修料,其特征在于,所述碳化硅细粉中SiC质量分数大于或等于75wt%;所述碳化硅细粉过200目筛。
7.根据权利要求1所述的马路井盖抢修料,其特征在于,所述水泥为鸭牌电熔50水泥,所述水泥中氧化铝的质量分数为50wt%。
8.根据权利要求1所述的马路井盖抢修料,其特征在于,所述硅灰为埃肯硅灰。
9.根据权利要求1所述的马路井盖抢修料,其特征在于,所述外加剂由水性炭黑、氢氧化锂和聚丙烯抗裂纤维组成。
10.根据权利要求9所述的马路井盖抢修料,其特征在于,所述水性炭黑为1.43-1.58重量份,所述氢氧化锂为0.019-0.021重量份,所述聚丙烯抗裂纤维为0.048-0.053重量份。
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