subgrade engineering

The Construction of High-Grade Highway Subgrade Engineering in Loess Area

黄土地区高等级公路路基工程施工

Taking some test engineering of soft ground for example, this paper introduces the design thinking of cement powder-spray pile treating weak subgrade and the observation way of settlement in layers, analyses the experimental results, and thinks that there are good results.

以某软基试验工程为例，介绍了水泥粉喷桩处理软弱路基的设计思路和分层沉降的观测方法，并对测试结果进行分析，认为效果良好。

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.

Application of Anchored Retaining Wall by Tie Rods in Steep Slope Subgrade Engineering

锚杆挡土墙在陡坡路基中的工程应用

Optimization of earth-rock allocation is an important problem in subgrade construction of road engineering.

土石方 优化调配是道路工程路基施工的重要问题.

With the theoretical analysis and the practice of engineering research of Yu Jing, Jing Wang desert highway, the theory of the moisture content of the desert highway subgrade under different degree of compaction test methods and instrumentation is recommended.

依据理论分析和对沙漠高速公路实体工程的实践研究，推荐沙漠公路路基不同含水率条件下压实度检测方法和检测仪器。

Cutting slope engineering of subgrade must fit in with topographic, geologic and environmental characteristics of hillside fields, otherwise it can lead to the cutting slope too high and very bald and bring about engineering and environmental hazards.

路堑边坡工程要适应坡地地形地质和环境特征，否则会导致边坡过高过秃，酿成工程和环境灾害。

Focusing on engineering disease of embankment longitudinal cracks, the paper illustrates the testing characteristics of expansive adamic earth and the causes of engineering disease by using this material for subgrade filling, also it brings forwards the treatment measures accordingly.

针对路堤出现纵向裂隙的工程病害，阐述了胀缩性红粘土的试验特性及其作为路基填筑料所导致工程病害的成因，提出了相应的处治措施。

Subgrade is the important part of the highway engineering and the base of the pavement.

路基是公路工程的重要组成部分,是路面的基础.

This paper presents the mathematical model of road subgrade engineering optimization design. Its variable is the design elevation of the change point of slope and its objective function is the subgrade engineering cost.

提出了以路基变坡点为变量、路基工程费用为目标函数的路基工程最优化设计数学模型，并给出了解析形式的目标函数和约束矩阵。

Basic properties of expansive soil and technical conditions used in Railway Subgrade Engineering

膨胀土的基本特性及铁路路基工程应用技术条件