The control of soft soil subgrade construction is a important link of building the high-type highway project.
软土路基的施工控制是高等级公路项目建设的重要环节。
Therefore, this paper mainly studies settlement calculation and forecast of soft soil subgrade by vacuum preloading.
正是如此，本文主要研究了真空预压法处理软土路基时的沉降计算及预测问题。
Ballastless track on soil subgrade has been already widely used on high-speed railway abroad, but it is just at the starting stage in China.
土质路基上的无碴轨道在国外高速铁路上已得到广泛应用，而在我国却处于刚起步阶段。
According to analysis on the destruction process, treatment advice was put forward on bend buttress pier foundation for laying pipe in soft soil subgrade.
对破坏的过程进行分析后，提出了软土地基敷管弯管支墩基础的处理建议。
Combined with the construction practice, the paper introduced the construction method and quality control of cement mixing pile strengthening soft soil subgrade.
结合浙赣铁路提速改造工程水泥搅拌桩加固软土路基的地基施工，介绍水泥搅拌桩加固软土路基地基的施工方法及质量控制。
Based on a synthetical study on the influence factors of scouring stability, the fuzzy evaluation method of scouring stability on soil subgrade slope is put forward.
在综合分析公路土质路基边坡坡面冲刷稳定性影响因素的基础上，提出了公路土质路基边坡坡面冲刷稳定性模糊综合评价系统方法。
The pile-plank structure is a new-type structure of ballastless truck on soil subgrade, and the design and calculation of the pile-plank structure are still immature.
桩板结构路基是土质路基上无碴轨道的一种新型结构形式，其设计及计算还不成熟。
This article from the conception of soft soil foundation, this paper expounds the soft soil subgrade treatment methods and matters needing attention in the construction.
本文从软土路基的概念出发，阐述了软土路基处理方法的种类和施工中应注意的事项。
Taking a project of Zhejiang Xiangshan as an example, the subgrade is required to reinforce according the characteristic of the soft soil subgrade of the proposed field.
该文以浙江象山某工程为例，针对拟建场地软土地基的特性，需进行地基加固。
The paper introduces the property of essentials for construction of expansive soil subgrade, choice of schemes for finely paving coverage of road bed and construction procedure.
介绍了膨胀土的特性、膨胀土路基施工要点、路床精铺层方案的选择及施工程序。
According to practical construction situation, the paper proposes treatment and protective measures of expansive soil subgrade, which can promote the strength and stability of subgrade.
根据工程实际情况，对膨胀土进行调查分析试验，提出了膨胀土路基处理方法与防护措施，提高了路基的强度和稳定性。
To sum up, this paper studies the settlement calculation and forecast of soft soil subgrade by vacuum preloading and obtains some useful conclusions which can guide construction better.
综上，本文对真空预压加固软土路基时的沉降计算及预测做了一定的研究，得出了一些有用的结论，可以更好的指导工程施工。
The soft soil subgrade treatment should be adopted different measures according to the physical and chemistry characteristics of soft soil, buried layer depth, material condition and road.
软土路基处理应根据软土、淤泥的物理力学性质、埋层深度、材料条件、公路等因素分别采取处理措施。
Base on the mechanism of grouting consolidation and combined with a highway section practice, the paper explores the implementation of using grouting method to reinforce soft soil subgrade.
基于灌浆加固机理，结合某路段工程实际，探讨了软土地基采取灌浆加固处理方案的实施。
In order to compute the vibration response of structures and foundations correctly it is necessary to establish the damping properties of subgrade soil reasonably.
为了正确计算结构物和基础的振动反应，就必须合理地确定地基的阻尼参数。
In roadbed construction, excessive soil is used to fill subgrade because of weather and construction schedule constraints and other reasons.
在公路路基施工中，天气及施工工期的限制等原因，会经常遇到采用过湿土填筑路基的情况。
To ensure subgrade compaction, we must resolve the choice of subgrade soil, moisture control, shop soil thickness control and detection of degree of compaction work.
要保证路基的压实度，必须解决好路基土壤的选择、含水量的控制、铺土厚度的控制和压实度的检测等工作。
The cement improved soil is a kind of important fill material used widely in construction of railway subgrade.
水泥改良土是高速铁路路基工程中广泛使用的一种重要填料。
On this ground, study on dynamic property and dynamic parameter of weathered granite subgrade soil in repeated loading is quite essential.
因此研究动态交通荷载作用下风化花岗岩路基土的动力变形特性和动力参数是十分必要的。
Under the effect of load, the settlement of subgrade will lead to the lateral distortion of soft soil.
在桥头路基荷载的作用下，地基发生沉降，软土会发生一定的侧向变形。
The most pivotal technical problem of building high-speed railway on soft soil is strictly controlling post-construction settlement of subgrade and its elastic deformation of top surface.
在软土地基上修建高速铁路，其最关键的技术问题就是严格控制路基的工后沉降及列车高速运行时路基顶面的弹性变形。
Subgrade slope surface erosion is defined as a phenomenon which rain runoff destroys subgrade slope surface, and washes away soil on the surface of slope.
路基边坡冲刷是指降雨形成的坡面水流破坏路基边坡坡面，并冲走坡面表层土体的现象。
Salt expansion processes in subgrade of Sulfuric saline soil are the external performance of moisture temperature, salinity and stress fields interacting with each other.
硫酸盐渍土路基水分场、温度场、盐分场和应力场相互影响，相互作用，其盐胀的过程就是四场相互交融的外在表现。
Rockfill stuff and subgrade soil should be studied on settlement rule for high rockfill embankment respectively, for the differences of the pressurized state and settlement rule.
由于填石料与地基土的受力性能不同，沉降规律也大不相同，因此提出先分别考虑路基和填石料的变形，然后再叠加的方法来研究高填石路堤沉降规律。
The quiescent load testing method for a single pile on complex subgrade in current code is not fit for the full work of bearing capacity of the soil.
现行规范中单桩复合地基试验的方法不利于地基土承载力的充分发挥。
The problem of improved soil is important for high-speed railway subgrade.
改良土问题是高速铁路路基的重要内容。
There are some earth caves and karst in the airfield runway subgrade of some newly constructed airport, and the bearing capacity of the overburden soil in the subgrade is low.
某新建机场滑行道路基中存在土洞和溶洞，且路基上部土层承载力低。
On this foundation, the determination method of treatment depth for subgrade paved with expansive soil is proposed based on the relationship of swelling pressure and unloaded expansibility.
在此基础上，建议按膨胀力与零膨胀率的相关性来确定膨胀土路基处置深度。
Then, transient response of vertical displacement, vertical stress and pile-soil stress ratio of some nodes in the elastic subgrade are computed in one single load cycle.
采用桩土分析法，计算分析在一个荷载周期内，弹性路基内各研究节点的位移、竖向应力、桩土应力比的瞬态响应。
Then, transient response of vertical displacement, vertical stress and pile-soil stress ratio of some nodes in the elastic subgrade are computed in one single load cycle.
采用桩土分析法，计算分析在一个荷载周期内，弹性路基内各研究节点的位移、竖向应力、桩土应力比的瞬态响应。
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