抗压回弹模量降低可减少材料底部的弯拉应力。
The anti- presses the modulus of resilience lower and can reduce the flexural-tensile stress of the material bottom.
结果表明，PFWD可用于路基回弹模量的快速检测和评价。
The result shows it is feasible to measure and evaluate subgrade resilience modulus with PFWD.
通过不同级配和含水量的三轴试验，得到了级配碎石的回弹模量模型。
Triaxial tests were carried with different gradation unbound aggregate in different moisture content. Model of resilient module and influencing factor are found.
同时，存在路基设计指标(回弹模量)与施工控制指标(压实度)不统一的问题。
At the same time, there is not uniform between subgrade design index (subgrade resilient modulus) and construction control index (compaction degree).
影响路基回弹模量的因素有多种，主要包括土质类型、压实度和含水量三个方面。
There are many factors to influence subgrade resilient modulus, and the main 3 factors are soil type, compaction degree and moisture content.
应用弹性层状理论，研究了不同等效方法对基层顶面当量回弹模量换算结果的影响。
The paper studied the calculation method of equivalent modulus of elasticity of foundation under principles of different equivalence by elastic multi-layer theory.
本文通过对不同土基回弹模量测试方法的研究，初步评价了其优缺点、适用范围及改进措施。
This paper researches the different testing methods of soil resilient modulus, and primarily evaluates their merits and shortcomings, applicable area and mend measure.
研究结果显示重复荷载下之偏应力愈大则回弹模量愈小，且回弹模量随基质吸力的增加而增加。
Experimental results showed that the resilient modulus of unsaturated cohesive subgrade soils reduced with the increase of deviator stress and the decrease of matric suction.
处理后的地基十字板强度增加了3倍，静力触探锥尖阻力增长了5倍，回弹模量满足设计要求。
The strength of vane of silt after treatment increase by 3 times and the static point resistance by 5 times. So, its lasting elastic modulus can meet the design requirements.
研究结果表明，膨胀性泥页岩填料的承载比（CBR）和回弹模量主要受制样含水量及干密度的控制；
The results have shown that the CBR and resilience modulus of expansive shale were mainly controlled by moisture content and dry density.
通过风干和增湿改变试件的含水量，并经历不同的冻融循环次数后，分别测试土体的无侧限回弹模量。
The water content of the soil sample was changed by drying and humidification process. After different freeze-thaw cycles, the unconfined resilient moduli of the soil sample were tested respectively.
利用有限元法对温度应力进行了大量计算，在此基础上建立了以温度应力等效为原则的基顶当量回弹模量换算方法。
The paper has established the calculation method of the equivalent modulus of elasticity of foundation that is based on the principles of thermal stress equivalence.
而以板底拉应力等效为指标的基层顶面当量回弹模量值能较为真实地反映基层刚度和厚度变化对板底拉应力的影响。
But the principles of stress equivalence could accurately reflect the influence on the cement concrete pavement stress by the modulus and thickness of semi-rigid type base.
因此，急需寻找一种便于工程设计应用的、快速、方便实用的回弹模量试验检测方法，并合理地进行路基施工质量控制。
Therefore it will be urgent to research a kind of method with practice, rapidness and convenience to test subgrade resilient modulus and to control construction quality of subgrade reasonably.
并对不同结构类型水泥稳定碎石材料的抗压强度、劈裂强度、抗折强度、抗压回弹模量以及抗折回弹模量进行了试验研究。
Compressive strength, splitting strength, flexural strength, compressive resilience modulus and flexural resilience modulus of cement stabilized stone of different structure types were tested.
路用性能的试验内容包括：抗压强度、劈裂强度、抗弯拉强度、抗压回弹模量、温缩干缩、抗冲刷试验、冻融试验和疲劳性能试验。
The road performance test include: compression strength, cleavage strength, rupture strength, modulus of compression strength resilience, shrinkage, fatigue test and washout test.
通过对室内击实制备的不同状态的黄土样进行回弹模量、湿陷等试验，分析了干密度、含水量、触变龄期等对黄土变形特性的影响；
This dissertation, through experiment on modulus of resilience and collapsibility, analyses the effect of dry density, moisture and thixotropy on the deformation characteristic of loess;
考虑到不同季节轴载作用效果的差异，对轴载换算进行季节修正，并以累计当量轴次和土基回弹模量为指标，进行了交通和土基强度分级；
Considering the difference between the axle load effects on different season, amended the season parameter when converting axle load. At the same time, graded soil-matrix intensity and traffic.
为了提高路面结构中级配碎石基层的回弹模量，通过材料设计、路面结构组合设计和施工工艺设计，对级配碎石基层的使用性能进行了研究。
In order to enhance modulus, the design of materials, structural combination and construction technology of the graded broken stone base were studied.
提出了报高pp纤维的模量和回弹率以及地毯的耐倒伏性的新途径。
The new way to improve modulus and resilience of PP fiber and lodging-resistant property of PP carpet yarn is suggested.
由于钛的屈服极限与弹性模量的比值大，使钛成型时的回弹能力大。
Its resilience is strong during shaping, because titanium's ratio of yield limit to elasticity modulus is high.
试验结果表明，随着再生骨料掺入量的增加，混凝土的回弹值、抗压强度、劈裂抗拉强度、抗折强度和弹性模量均有不同程度的降低。
The result shows the concrete rebounding value, compressing strength, tensile splitting strength, rupture strength and elastic modulus are reduced in different degree by adding recycled aggregates.
纱线截面形状对经编弹力织物的延伸性、回弹性和模量等特性有较大的影响。
The influence of yarn sectional shape on some properties of warp knitted fabric such as extensibility, recoverability and modulus is analysed theoretically.
分别采用室内回弹试验、野外平板载荷试验和堆载试验，综合确定土体的再压缩模量；
The synthesized reload modulus was confirmed by resilience test, plate loading test, and large scale bearing test. The replacement foundation modulus was ensured by the method of equivalent-stiffness.
目前对于深基坑的回弹量计算，都是以基坑开挖卸荷为基本应力路径获取变形模量，并未考虑降水的影响。
In the calculation of soil heave, the deformation modulus is obtained by taking the unloading path as the basic stress path and the effect of dewatering is not taken into account.
目前对于深基坑的回弹量计算，都是以基坑开挖卸荷为基本应力路径获取变形模量，并未考虑降水的影响。
In the calculation of soil heave, the deformation modulus is obtained by taking the unloading path as the basic stress path and the effect of dewatering is not taken into account.
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