查询词典 subgrade

The paper determines compaction degree of subgrade making use of pumped sand, cutting ring ,nuclear density instrument and drop hammer frequent mensuration methods.

采用灌砂法、环刀法、核子密度仪法、落锤频谱式快速测定仪法4种方法对检测路基压实度的测试结果进行了比较分析；并以灌砂法作为现场测定压实度的标准方法，将其他方法与灌砂法进行回归标定，得出了相关关系，进一步证实了采用灌砂法作为路基压实度检测的标准方法是值得推广的。

The thesis right aims to the middle frozen climate and geology condition and study general theory of subgrade drainage and specialties for the kind of area.

介于我国目前公路建设任务的重心已转向地域广阔的西北中冻地区及沙漠地带，本研究成果对该地区新建公路设置完善路基排水、提高公路使用寿命具有参考价值。

In this paper,a detailed analysis of the causes of the breakages is carried out. The discussion is mainly focused on the stability and strength of subgrade, the selection and construction of base course materials, the quality control of pavement concrete,the control of the mixture ratio of the concrete materials and the technological control in the process of construction.

文章着重从路基的稳定和强度、基层结构材料的选择和施工控制、路面混凝土的材料质量控制、施工中的混凝土配合比控制和施工工艺控制等角度对路面破损产生的原因加以分析。

With subgrade being chamfered,more actual geological conditions can be found,and improper design can be amended.

施工期的大开挖、大暴露，有利于进一步查明沿线地质情况，设计人员根据施工期的地质成果，修改设计中不合理部分，指导施工。

Based on Tseng-Lytton evaluation model for permanent deformation, and evaluation model for permanent deformation of clayed subgrade soils is established by improving and calibrating Tseng-Lytton model.

利用室内重复荷载三轴试验，研究了在含水量、压实度和偏应力影响下粘性路基土的永久变形特性，并以Tseng-Lytton路基土永久变形预估模型形式为基础，对Tseng-Lytton模型进行了改进和标定，建立了粘性路基土的永久变形预估模型；最后利用分层应变总和法，并结合一个典型粒料柔性基层沥青路面结构实例，计算了路基土的永久变形量。

The article simulated the interface condition of full-depth pavement through finite element method, and studied its influence on pavement life using three indexes including the deflection on the surface, the tensile strain at the bottom of asphalt layer and the compressive strain at the top of subgrade.

通过有限元仿真模拟全厚式沥青路面不同的层间接触状态，并采用路表弯沉、沥青层底拉应变以及土基顶压应变3大指标分析其对路面寿命的影响。

The effect of subsoil kinetic parameters upon the asphalt pavement settlement is studied in order to draw a relation between the dynamic parameters and the accumulative plastic deformation of subsoils. Based on a half-filled and half-dug embankment, a kind of method, which may compute the critical differential settlement making asphalt pavement yielded, is drawn in order to analyze the influence of the asphalt pavement deformation due to the differential subgrade settlements.

研究了路基土不同的动力参数对路基变形的影响，得出路基土动力参数～路基土累积残余变形之间的定量关系；以半挖半填路基为例，提出一种用于分析由于交通荷载反复作用而使路基产生的差异沉降对路面结构影响的方法，通过对路面结构的变形分析提出了临界差异沉降概念。

It is caused by the differential settlement between bridge abutment and subgrade. As a result, it badly affects comfort of traveling, reduces velocity of steering, minishes capacity of highway, enhances the damage to vehicles and bridge abutment, and even gives birth to traffic accident.

桥头跳车是由桥台构造物与台背路基之间的不均匀沉降引起的，它的存在严重影响了行车的舒适性，降低了车辆的行驶速度和道路的通行能力，加剧了车辆及桥台构造物的损坏，甚至导致交通事故的发生。

Presently, the control of subgrade deformation is carried out by enactiving the allowable value to avoiding or minishing its effects in design stage.

目前对地基变形作用的控制主要是在设计阶段通过设定地基变形的允许值来避免或减小地基变形的作用。

Testing subgrade surface deflection with Beckman Beam has been used extensively at highway engineering,but owing to the impaction of strickling diversification;pivot and dial indicator bracket position of Beckman Beam flexure instrument;as well as the unconformity of computation theory and practice,revising the deflection value gotten by surveying is needed.

用贝克曼梁法测试路基表面弯沉在公路工程中得到广泛应用，测试中由于受车型多样化、贝克曼梁弯沉仪支点和百分表支架位置以及计算理论与实际不符等影响，测得的弯沉值需要进行修正。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。