- subbase course material
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基层材料的英文
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- Based on the studies , it is proved that lime fly - ash mixture is provided with more time to compact during construction compared with other base materials in forming even higher structure strength but not in reducing strength within 1 ~ 3 days period of time . meanwhile , structure strength of the mixture which has been destroyed by some reasons can be recovered in a great extent if original structure is regained . on the other hand , during the high temperature summer season or under other conditions promoting the mixture to form strength , continuous construction process between lime fly - ash base course and bituminous pavement can be carried out to complete the building process in short time
确认二灰基层材料与其它类型的基层材料相比，在施工时具有较长的施工碾压成型时间，在一定时间里延迟成型的二灰基层强度不仅不降低，反而还有一定程度的提高；与此同时早期受到破坏的二灰材料在恢复整体性的条件下，结构强度能够在很大程度上得到再恢复；另一方面，在夏季高温季节以及在强化基层强度形成的前提下，二灰类基层和沥青面层可以采用连续施工的方式在较短的时间里完成路面铺筑工作。 - Some construction specific characteristics for semerigid base course material of lime fly - ash mixture are studied systematically in this paper , which consists of possibility of delayed base compaction , strength regeneration and continuous construction between base course and pavement etc . through laboratory tests , rules of delayed base compaction , features of strength regeneration and primary conditions of continue construction are explored respectively
本文针对石灰粉煤灰类基层材料，全面系统地分析研究了该材料的施工特性，即施工碾压成型的可延迟性、早期强度的可恢复性以及基层和沥青面层施工的可行性等。通过系统的室内试验，了解和掌握了二灰类材料成型可延迟的规律、早期强度可恢复的特点和连续施工的基本条件。 - By means of laboratory and field experimentation of typical semi - rigid base materials , the relationships among laboratory experimental values , field maintain values , field core values and construction criteria are put forward . and the relationships between different test methods are established . using time - temperature conversion principle , it processes the intensity assessment of field cores , then offers the method of determining the test deflection of pavement surface
通过典型半刚性基层材料的室内外试验，研究主要设计参数的室内试验值、野外养生值、现场取芯值及施工指标间的关系，建立了不同试验方法间的相关关系，运用时温换算法则，对现场芯样进行强度评定，并提出了路表弯沉检测标准的确定方法。 - The old asphalt mixture being dealt with cement is a cold in - place recycling method . the mechanism is that the crushed asphalt mixture and lime soil are reused and is stabilized by cement additive . so the material can be applied in base and subbase course such as cement stabilized aggregate
利用水泥处治废旧沥青路面材料属于沥青路面冷再生的范畴，其再生机理是将加工破碎的废料(包括废旧的沥青混合料和部分灰土基层)重新利用，经过水泥进一步的稳定作用，形成与水泥稳定级配粒料类似的基层和底基层材料。 - In the light of its special property being not easy to gain strength , through mechanics researches on different methods to stabilize this kind of low _ liquid _ limit silty soil as subbase material , evaluated both technically and economically , we have got a cement lime stabilization plan to meet the index requirements for non _ side _ limit strength of compression of subbase of class2 road stipulated in the specification ; by means of improving the workmanship , thickening the loose layer of soil , adding soil on covering weave fabric before compaction , such problems can be solved as very poor compaction , loose surface during compaction , roughness and unevenness , coats of layer and shear damages
本文针对黄河冲积而成的低液限粉土其粘粒含量极低、土的不均匀系数很小、胶体活性差的工程特性,通过采用不同方法稳定该类土作底基层材料的力学性能研究,从技术、经济角度综合评价,得到满足规范抗压强度指标要求的水泥石灰稳定方案。通过对原材料、试验配合比设计、施工、等方面进行优化,从而显著减轻了基层的早期及长期缩裂程度,从而提高了路面的耐久性。