subgrade

The application of grouting method in subgrade thaw collapse treatment of highway

灌浆法处理公路路基融陷

Principle and Computation of Subgrade and Pavement Design.

路基路面设计原理与计算“, ”

Study the performance of subgrade infiltration, bearing capacity and resisting frost of base.

目的研究透水路面土基的渗透 、 承载力性能及饱水状态下基层的抗冻性能.

Consolidation Settlement of Sand Drain Subgrade Based on Biot Theory

基于Biot理论的沙井地基固结沉降分析

Through an example of expressway project the key technical points in the subgrade treatment are presented.

通过某高速公路路基裂缝加筋处理的工程实例，探讨了应用土工格栅处理公路路基的工程可行性和施工技术要点。

The Tunnel Construction Under the Fill Subgrade Passing Through the Existing Highway

穿过既有公路填方路基的隧道施工

For the application of three-dimensional network seeding to subgrade protective engineering, the paper discussed its principle, especially the characteristics and construction technology of new technology for three-dimensional seeding.

就三维网植草在路基防护工程中的应用，论述三维植被网防护边坡的作用机理，重点阐述三维网植草新技术的特点及施工工艺，并对经济效益进行了分析。

Answer 8 : the rolling stock yard shall use subgrade method.

答: 铁路车场原则上采用路基方式.

Rockmass corrosion is the base deformation and failure of the subgrade slope.

岩体腐蚀是路基边坡变形破坏的前提与基础.

Research on Determination Method of Safety Thickness of Top Slab of Rock Bedding of Subgrade in Karst and Mined-out Region

岩溶及采空区路基岩层顶板安全厚度确定方法研究顺层围岩地下洞室的粘弹性稳定

Study on the vertical load transmision through the track structure and the characteristics of subgrade dynamic strsses

轨道结构垂向荷载传递与路基附加动应力特性的研究

Applying for MARC software, three-dimensional numerical model of differential settlement at bridge-subgrade transition section was built.

应用MARC软件, 建立路桥过渡段差异沉降的三维计算模型.

The term highway includes its highway subgrade pavement, bridges, culverts and tunnels.

公路包括公路的路基、路面 、 桥梁 、 涵洞、隧道.

However, it is still not clear enough on erosion failure mechanism of the subgrade and there is no uniform prediction model on stability of them currently.

然而目前，山洪冲刷淘蚀作用下铁（公）路基的破坏机理尚不够明确，路基冲刷稳定性的预测模型也没有统一的标准。

Research methods: The calculation and analysis were made for the entire structure by adopting three-dimensional space model for subgrade, foundation and upper structure with the aid of large finite element MIDAS program and elastic foundation beam method to simulate the effect on the foundation with spring.

研究方法：借助于大型有限元计算程序MIDAS，建立地基、基础及上部结构的三维空间模型，采用弹性地基梁法，用弹簧模拟地基作用，对整个结构进行计算分析。

Firstly, for changeable height of landform and thick soft soil, deformation problem of subgrade is studied.

首先, 针对丘陵区起伏变化的地形、深厚软弱地基这种特殊地形条件, 开展了路基变形问题的研究.

And this paper puts forward some methods for preventing engineering accidents occurring in subgrade and foundation.

本文初步提出地基基础工程事故发生的一些因素及原因.

A Time-varying Coupling Model for Dynamic Analysis of High Speed Railway Subgrade

高速铁路路基结构时变系统耦合动力分析

Improved soil is very important for subgrade of highspeed railway.

改良路堤填料是高速铁路路基的重要内容.

The calculation method of average sand drain and the new modified method are discussed. The results can serve as a guide to subgrade design of soft ground.

探讨了单一砂井双面排水情况下软土地基的平均固结度计算方法，提出了固结度计算的新的修正方法，对软土地基内路基设计具有一定的指导意义。

Subgrade's earthwork construction is carried out by machine.

路基土石方施工采用机械化作业.

BP neural network system for road base course thickness prediction has better applicability, for Subgrade of highway engineering quality inspection application thickness has opened up a new way.

BP神经网络系统对公路路基层填筑厚度分析预测具有较好的适用性，为公路路基工程厚度质量检测的应用开辟了一条新途径。

The study on compaction standard of highway subgrade has important meaning.

这对于我国的高速公路路基压实标准的修订具有重要的参考价值.

Nonlinear Elasticity Finite Element Analysis for Sand Drain Subgrade

砂井地基非线性弹性有限元分析

The key of subgrade treatment is to control the settlement of the bearing stratum.

控制路基沉降变形最关键的就是控制支承路基的地基沉降.

In the construction of subgrade filling with vibratory roller, the number of compaction times, the speed of the machine, and the thickness and coefficient of the layer.

采用振动压路机进行路基填筑施工中，确定了碾压遍数、碾压速度、松铺厚度和松铺系数。

The deformation of subgrade is composed of consolidation and creep.

路基变形主要包括蠕变和固结两部分.

An Analytical Study on Consolidation Settlement Characteristics of the Sand Drain ( Wall) Subgrade under Embankment Load at Soft Soil Area

软土地区路堤荷载作用下砂井（墙）地基固结沉降特性分析研究

Problems are analyzed such as the subgrade bearing capacity, sedimentations and anti-float.

针对相关地基承载力及沉降、 抗 浮等问题作了分析与探讨.

The paper introduced the construction method of thin-wall pipe pile strengthening subgrade, and proposed treatment measures.

结合工程实例介绍采用薄壁管桩复合地基加固高路堤软土地基的新技术.