用测得的动弯沉反算出地基反应模量。
By measuring dynamic deflection of the slab, the foundation reaction modulus is got.
分析弯沉盆面积对旧路状况进行评价的实用性。
The practicability of estimate of existing cement concrete pavement based on deflection basin is analyzed.
弯沉测试沿全路段间距20米用贝克曼梁法进行。
Def lectoin tests were performed every 20m along the whole section using Bekelam method.
弯沉与温度的关系实质上就是弯沉与沥青层模量的关系。
In fact the relationship between deflection and temperature is the relationship between deflection and asphalt concrete layer moduli.
该研究为国内全厚式沥青路面结构弯沉设计起到了指导意义。
New bending formula is put forward satisfying with full depth asphalt pavement structure in the end on…
同时从统计分析中可知，对数正态分布模型更适合于弯沉指标。
In the statistical analyses, the result shows that the lognormal distribution model is more suitable for the index of deflection.
结合工程实例，详细论述了土方路基回弹弯沉检测标准的确定方法。
Using an engineering example, this paper discusses the method of determining elastic deformation criterion for earth roadbed in detail.
本文结合施工经验，对柔性路面施工中的弯沉质量控制做了详细的论述。
This article states in detail the quality control of the defecting in flexible pavement conduction combining with construction experience.
半刚性基层材料的强度与模量随龄期增长，基层弯沉值也随着龄期变化。
The strength and modulus of semi-rigid base material increase with age, so the reflection of base varies with age too.
三种弯沉测试技术及测试原理、技术特点和适用条件；数据处理及其评定。
The Paper mainly introduces three deflection test principles, technical features, its applicable conditions, affecting elements, data arrangement, and its evaluation.
由测试结果发现这两种弯沉仪的实测弯沉值差别不大，具有良好的相关关系。
It was found that the deflection values measured respectively by FWD and BB were in good regressive relationship.
参照国内外有关资料，建立了以FWD弯沉为基础的力学经验罩面设计方法。
A new mechanistic-empirical based on FWD procedure is developed in this paper according to the information from the other country and our own.
公路路面的回弹弯沉特性是判断公路建设质量和路用性能的一项重要的技术指标。
The feature in determine of highway pavement deflection is one of the key points to decide the quality in highway construction and it's feature.
本文结合工程实验，认为在市政道路工程土方路基上进行弯沉值测定是很必要的。
The article deals with the necessity of data of beam deflection measurement on earthwork subgrade of municipal road engineering through integrating with engineering experiment.
将这一技术应用于临长高速公路，对该试验路堤进行了沉降观测、弯沉试验测试。
This technology is applied to Linxiang-Changsha Expressway. Subsidence observation and deflection tests for the test embankment are performed.
由于沥青混凝土材料强度的温度依赖性，弯沉以至路面结构承载能力都随温度而变化。
Since asphaltic concrete materials are temperature dependent in nature, measured deflections and hence the structural capacity of pavement vary with temperature.
它适用于旋转运动中的高精度光学件或机械件相对位置变化的实时动态小弯沉角测量。
The measurement method can be used for real-time measuring dynamic small bending and settling Angle introduced by relative position changing under rotating.
并列举了应用FWD测量路表弯沉盆的优点及FWD在道路设计与评价中的一些基本用途。
In addition, the advantage of FWD deflection bowel and FWD application in pavement design and evaluation are illustrated by examples.
结果表明，当碎石基层厚度达到一定程度后，其横观各向同性特性对路表弯沉的影响将不明显。
The results show that the effect of cross-anisotropy to surface deflection is not obvious when the thickness of granular base is at some degree.
该方法计算理论与我国规范规定的设计理论相适应，但计算所得的弯沉轴数系数与规范差异很大。
The calculating theory is in conformity with the design theory under the specifications in China, but the calculating result is different from the criterion.
根据不同荷载与路面状况下弯沉的实测结果，计算并分析了按弯沉等效的轴载换算指数的变化规律。
The change rules of axle exchange index based on deflection equivalent are analyzed according to the survey results in the different loads and pavement conditions.
通过三维有限元分析，考察了刚性路面脱空的影响因素，重点考察脱空的几何尺寸对弯沉值的影响。
The influencing factors to suspending rigid plate are investigated by three-dimensional finite element analysis. The investigation places emphasis on the contribution of the dimension of suspending.
计算结果表明：当纵坡增大时，弯沉与层底拉应力的增幅并不十分明显，而剪应力的增幅则比较显著。
The results show deflection and increase in bottom stress level is not very obvious, but the increase of shear stress are more significant with the increase of longitudinal.
利用ABAQUS有限元程序，采用土基的非线性本构模型及其他结构层的动态参数来计算理论弯沉。
ABAQUS is used to calculate theoretical deflection with subgrade nonlinear constitutive model and dynamic parameters of the other layers.
在结构力学分析方面，以往的研究多是建立弹性或者弹塑性模型来研究格栅对沥青路面应力及弯沉的影响。
In the structural mechanical analysis, previous research is more to establish elastic or elastic-plastic model to study the grid reinforced effect on pavement stress and deflection.
编制了有限元分析程序，此程序可得到隧道路面板的荷载弯沉曲线，结合无破损弯沉检测法可判断隧道路面性能。
The load-flexure curve of the tunnel pavement can be obtained by FEA program, which can judge the tunnel pavement performance in corporation with nondestructive test method by deflector.
路面调查工作包括交通量调查，轴载调查，路面损坏的类型、数量与严重程度的记录，路面结构的弯沉以及路面取样。
Field investigation includes traffic volume, axle loads, types, amount, and severity of pavement distress, measurement of deflection of pavement highway structure, and pavement sampling.
文摘：在研究现有国内外技术成果的基础上，结合在道路量测上的实践，分析、总结了落锤式弯沉仪的7个应用领域。
Abstract: Based on research and application of FWD in roads, the author analyzes and presents seven practical techniques of FWD.
文摘：在研究现有国内外技术成果的基础上，结合在道路量测上的实践，分析、总结了落锤式弯沉仪的7个应用领域。
Abstract: Based on research and application of FWD in roads, the author analyzes and presents seven practical techniques of FWD.
应用推荐