回弹模量

根据路基现场回弹模量实测资料，采用瑞利波测试、弯沉测试、现场CBR与载荷板试验，系统研究了路基的力学特性。

On the basis of the modulus of resilience tested on site , the mechanical performance of highways subgrade was investigated in a systematical way by the Rayleigh Wave test , bending test , field CBR and loading plate test .

尽管现行《公路沥青路面设计规范》（TJT014-97）中，推荐了4种不同方法确定路基回弹模量值，但是由于这些方法的局限性，导致路基设计回弹模量取值与现场施工压实过程脱节。

In the highway blacktop design criterion ( TJT014-97 ), four methods are recommended to the value of the modulus of resilience of the roadbed . However , the limitation of the methods induce disconnection between the designing modulus index and the compaction in the process of field construction .

路基土回弹模量E0和野外承载比CBR研究

Study on the Modulus of Resilience and Field California Bearing Ratio of Roadbed Soil

土基回弹模量、回弹弯沉、现场CBR之间的关系

The Relation of Subgrade Rebound Modulus , Rebound Deflection and CBR at Spot

应用FWD测定土基回弹模量的研究

The Study of Subgrade Resilient Modulus Determined by FWD

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 .

通过实例计算验证，得到的这个Et非线性回归方程完全能够满足水泥混凝土路面基层顶面当量回弹模量的计算要求。

Et non-linear regression equation get by the example calculation , test and verification can fully meet the calculation requirement of equivalent rebound modulus of base top surface of cement concrete pavement .

本文通过大量的室内外试验研究与分析，探讨了一种路基回弹模量的快速检测方法&便携式落锤弯沉仪（PFWD：PortableFallingWeightDeflectometer）法。

Through a great deal of indoor and outdoor testing , a rapid method with Portable Falling Weight Deflectometer ( PFWD ) to test subgrade resilient modulus is studied .

在测定最优配合比的基础上，进一步研究固化土的水稳定性、渗透性、直接剪切强度、压缩系数、CBR、回弹模量、劈裂强度等路用性能参数。

Based on this , we studied further on some characteristics of the solidified soil , such as water stability , permeability , direct shear strength , compressibility , CBR , resilient modulus splitting strength etc , was performed .

在94水泥混凝土路面设计规范中，基层顶面当量回弹模量Et是通过查图确定的，2002年的规范对此作了改进，但计算公式有6个，计算过程更复杂烦琐。

In No. 94 cement concrete pavement design specification the equivalent rebound modulus E of base top surface is determined by looking for the drawings . In the specification in 2002 this is improved , but there are 6 calculation formulas with more complex calculation progress .

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 .

对山渣料进行了较全面的试验研究，包括击实试验、CBR试验、回弹模量试验、抗压强度试验、浸水破碎试验及膨胀量试验。

The rock-slag mixture has conducted the more comprehensive experimental study , including the compaction test , the CBR experiment , the snapping back module experiment , the compressive strength test , immerses broken experimental and the inflation quantity experiment .

提出了建立在新疆公路三级自然区划基础上的新疆公路设计参数：土基回弹模量Eo和加州承载比CBR，并对其进行了相关性分析，建立了Eo和CBR值数据库；

Put forward the highway design parameter of Xinjiang : the modulus of resilience of roadbed soid-Eo and California bearing ratio-CBR , based on the third rank division ; improvement workmanship of four road-mix methods and plant-mix workmanship and flow process of the expansive soil ;

b.地基回弹模量每增高20MPa，水泥混凝土路面各项费用总现值可节约5.27%，而沥青混凝土路面仅节约1.65%。

For each 20 MPa increase of resilience modulus of subgrade : the saving of present worth of all the costs of cement concrete pavement may reach 5.27 % , while that of bituminous concrete Pavement is only 1.65 % .

其次，通过对单轴静载蠕变试验和抗压回弹模量试验结果的处理及回归分析，得出普通沥青混凝土和HMAC材料的粘弹性参数。

Secondly , through uniaxial static load creep test and compressive resilience modulus test , material models and parameters of common asphalt concrete and HMAC are obtainsed on data processing and regression analysis .

系统分析了面层模量、ATB层模量、半刚性层模量及路基当量回弹模量对复合基层路面结构疲劳寿命的影响，提出提高复合基层路面疲劳寿命的措施。

The effect of asphalt surface modulus , asphalt treated base modulus , semi-rigid base modulus and subgrade modulus on compound base asphalt pavement fatigue life is analyzed . Measures for improving fatigue life of compound base asphalt pavement are put forward .

在此基础上，通过变化集料级配和水泥剂量，研究确定出混合料7d龄期的抗压强度标准，120d龄期劈裂强度和抗压回弹模量的合理区间。

Through varying aggregate gradation and cement content , this paper also studied the mixture 7d ( age 's ) compressive strength standard , 120d ( age 's ) cleavage strength and resilience modulus , then provides these parameters ' reasonable limits .

试验结果表明，LSAM的抗压回弹模量是普通沥青混凝土的1.3倍左右；LSAM的回弹模量、抗压强度和劈裂抗拉强度分别是半刚性材料的2倍左右。

Results of tests show that the resilient modulus of LSAM is about 1.3 times greater than those of the normal asphalt concretes and the mechanical properties of LSAM are about 1 times greater than those of the semi-rigid materials .

用高掺量矿渣稳定的碎石，其无侧限抗压强度和抗折强度高，回弹模量小、收缩系数小及抗裂性能好，各项性能均优于参照对象&P·O32.5水泥稳定土。

The cement stabilizing aggregate mixture including the base course binder with high added GGBS have higher compressive strength and flexural strength , crack coefficient , smaller compressive modulus , flexural modulus and better drying shrinkage coefficient than cement stabilizing aggregate mixture with P .

土基回弹模量三种测试方法的相关性分析

Relative Analysis of Three Test Methods for Rebound Modulus of Subgrade

湿度和吸力对处治土路基回弹模量的影响

Influence of moisture content and suction on modulus of pavement subgrade

纤维掺量对沥青混凝土抗压回弹模量的影响分析

Influence of Fiber Contents on Compressive Resilient Modulus of Asphalt Concrete

用人工神经网络预测沥青路面材料的回弹模量

Prediction of resilient modulus of asphalt pavement material by artificial neural networks

测试方法对沥青混合料抗压回弹模量的影响

Affect of test methods on compression module of asphalt mixture

基层顶面当量回弹模量确定方法的修正

Modified Calculation Method of Equivalent Modulus of Elasticity of Foundation

公路路基回弹模量承载板测试方法改进研究

Research on Ameliorative Method for Testing Subgrade Rebound Modulus by Bearing Plane

沥青混合料回弹模量测试成型方法简析

The Analysis Shaping Method on Bituminous Mix Rebound Modulus Test

沥青混凝土抗压强度与回弹模量的试验研究

Research on Compressive Strength and Resilient Modulus of Asphalt Mixtures

风积砂路基回弹模量研究

A Study on Resilience Modulus of Aeolian Sand Subgrade

新疆公路路基湿度状况及其对回弹模量影响研究

Study on Humidity of Subgrade and Its Impact on Resilient Modulus in Xinjiang