路面基床病害治理中高性能压浆材料的试验研究
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摘要
通过试验,研究了以水泥为基料外掺膨胀剂、粉煤灰、硅灰、减水剂等材料对压浆材料流动度和力学性能的影响,从压浆质量保障角度提出了压浆施工的一般流程。研究认为:压浆施工应紧密结合病害特征和施工条件,从压浆原材料角度出发调配设计具有针对性、适用性的高性能压浆材料。
The effects of materials such as expansion agent, fly ash, silica fume and water reducer on the fluidity and mechanical properties of grouting materials were studied in detail. The general flow of grouting construction was summarized from the perspective of grout quality assurance. According to the research, the grouting construction should be closely combined with the disease characteristics and the construction conditions of the conservation area. It can allocate and design high-performance grouting materials with pertinence and applicability from the perspective of grouting raw materials.
The effects of materials such as expansion agent, fly ash, silica fume and water reducer on the fluidity and mechanical properties of grouting materials were studied in detail. The general flow of grouting construction was summarized from the perspective of grout quality assurance. According to the research, the grouting construction should be closely combined with the disease characteristics and the construction conditions of the conservation area. It can allocate and design high-performance grouting materials with pertinence and applicability from the perspective of grouting raw materials.
引文
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[9] 万志辉,戴国亮,龚维明,等.超厚粉细砂地层组合压浆桩压浆效果试验[J].中国公路学报,2018,31(3):59-67.WAN Z H,DAI G L,GONG W M,et al.Experiment on grouting effects of combined grouting piles under extra-thick fine silty sand layer[J].China Journal of Highway and Transport,2018,31(3):59-67.
[10] 郭红涛.潭耒高速旧水泥路面板底压浆技术及质量控制[D].长沙:长沙理工大学,2013.GUO H T.Grouting technology and quality control of the bottom of old cement concrete pavement of Tanlei highway[D].Changsha:Changsha University of Technology,2013.
[2] 王军,黄克旺.沥青路面浅层压浆施工质量控制[J].广东公路交通,2018,44(4):43-47.
[3] 苟强,王乾,王晓强,等.基于ABAQUS板底脱空处治前后水泥板力学行为分析[J].公路工程,2018,43(4):73-76,80.
[4] 朱洪英.预应力施工技术在高速公路桥梁施工中的应用[J].工程建设与设计,2018(14):186-187.
[5] 戴国亮,万志辉,竺明星,等.基于黏度时变性的桩端压力浆液上返高度模型及工程应用[J].岩土力学,2018,39(8):2941-2950.
[6] 邓兆涵.压浆技术在公路修复中的对策研究[D].沈阳:沈阳工业大学,2018.DENG Z H.Resaerch on contermeasures of grouting technology in highway restoration[D].Shenyang:Shenyang University of Technology,2018
[7] 戴国亮,万志辉,龚维明,等.基于沉降控制的组合后压浆灌注桩承载力计算研究[J/OL].岩土工程学报,2018(12):1-9.[2018-04-10].http://kns.cnki.net/kcms/detail/32.1124.TU.20180410.1114.006.html.DAI G L,WAN Z H,GONG W M,et al.Study on calculation of bearing capacity for combined post-grouting bored piles based on settlement control[J/OL].Chinese Journal of Geotechnical Engineering,2018(12):1-9.[2018-04-10].http://kns.cnki.net/kcms/detail/32.1124.TU.20180410.1114.006.html.
[8] 马亮.不同压浆饱满度预应力混凝土简支梁的弯曲性能研究[D].兰州:兰州理工大学,2018.MA L.Bending performance of prestressed concrete simple supported beams under different grouting compactness[D].Lanzhou:Lanzhou University of Technology,2018.
[9] 万志辉,戴国亮,龚维明,等.超厚粉细砂地层组合压浆桩压浆效果试验[J].中国公路学报,2018,31(3):59-67.WAN Z H,DAI G L,GONG W M,et al.Experiment on grouting effects of combined grouting piles under extra-thick fine silty sand layer[J].China Journal of Highway and Transport,2018,31(3):59-67.
[10] 郭红涛.潭耒高速旧水泥路面板底压浆技术及质量控制[D].长沙:长沙理工大学,2013.GUO H T.Grouting technology and quality control of the bottom of old cement concrete pavement of Tanlei highway[D].Changsha:Changsha University of Technology,2013.