风积土

风积土邓肯张EB模型参数试验研究

Experiment study on parameters of Duncan-Chang model for aeolian soil

为了研究风积土地区工程性质，通过常规三轴试验，得到风积土邓肯-张E-B模型的全部参数，为风积土地区工程数值计算提供了参考。

In order to study on Aeolian Soil ' region engineering properties , the whole Duncan-Chang ( E-B ) Model parameters are obtained by routine triaxial experiment and can be used as referential value for Aeolian Soil ' region engineering calculation .

风积土冻结时土体温度演变分析

Soil Body Temperature Evolution Analysis of the Freezing Aeolian Soil

利用粉煤灰固化风积土的试验研究

An experimental research on the aeolian soil reinforced by using pulverized coal ash

辽西地区冻风积土水分迁移特征的研究

Study on moisture transfer of freezing aeolian soil in West Area of Liaoning Province

一维封闭冻结风积土冻胀曲线的分形性质

Fractal property of frost heave curve in the aeolian soil under one-dimensional closed freezing

风积土在我国分布范围较广，具有显著的结构性。

The aeolian soil is broad in our country distribution range which has the remarkable structural characteristic .

风积土路基道路冻害防治措施的试验研究

Experimental Study on Preventing and Curing Measure of and Curing Measure of the Aeolian Subgrade Road Frost Damage

分析结果表明，辽西地区风积土冻结时温度有所降低。

The results of the analysis show that the soil temperatures reduced when the aeolian soil of the Western Liaoning region freeze .

在风积土的物理力学试验的基础上，掺入一定比例的石灰、粉煤灰进行改良试验，通过对比分析可得出石灰、粉煤灰改良土的工程特性。

On the basis of physical and mechanical test incorporate a certain amount of fly ash and lime into Aeolian soil to improve the test .

本文系统的研究了风积土的物理力学性质，提出了风积土的多种改良方案，并进行分析比较，进而探讨了改良方案在工程中的实际应用。

This paper studies physical and mechanical property of Aeolian soil , and puts forward a variety of Aeolian soil improvement programs , then analyzes the programs .

借助于扫描电镜从微观上研究了冻结过程中试样内部土颗粒的排列变化，从而揭示风积土的水分迁移特征。

From microscopic viewpoint , the permutation of soil grain is studied via the scanning electron microscope , which reveals the moisture transfer characteristic of aeolian soil .

利用SYC&2型非金属超声波检测仪设计了动态损伤监测系统，获得了冻风积土的抗压强度、抗拉强度、弹性模量等物理参数和声波参数的关系；

The dynamic damage test system ( DDTS ) is designed by making use of SYC-2 nonmetal supersonic test meter . The relations between compressive strength , tensile strength , elastic modulus , etc.

为对这种风积土冻害进行研究和预报，根据对辽西地区水文、地质、气候环境的重点分析，找出了风积土冻结时温度的改变状态。

In order to research and forecast the aeolian soil freezing harm , the temperatures change state is found when the aeolian soil freeze which is based on Western Liaoning region 's hydrology , geology , climate environmental focus analysis .

本文先后采用贯入值参数、冰率、冻胀比和融沉比三种不同参数研究了风积土填料路基的冻胀融沉特性及其结构性变化规律。

The thesis used the penetration value parameter , the ice rate successively , the heave ratio and sinks compared to three kind of different parameters studies the aeolian soil padding roadbed heave to sink friendly the characteristic and the constitutive change rule .

实现了对冻风积土损伤的动态监测，基于损伤和分形理论建立了损伤变量和分形维数随应力变化的数学经验表达式。

And wave parameter in frozen aeolian soil is studied using DOTS . The TTDS realizes dynamic test of damage in frozen aeolian soil , based on damage and fractal theory , the experience function of damage variable and fractal dimension with stress are obtained .

并相比风积砂、粘性土、砂砾而言，更大的提高了回填部分的整体承载能力，表现出了更优良的力学能力。

Comparing with eolian sand , cohesive soil and gravel , limestone soil improves the general bearing capacity greatly and represent better mechanical ability .

针对新疆很多地区干旱缺水、路基压实困难的现状，选择了3种典型土类（砾石土、风积沙、粉土）系统地进行了粒度分析、击实特性、动态特性、沉降特性等试验；

Considering the difficulty of subgrade compaction due to dry climate and water shortage , authors selected 3 types of soils , ie gravel earth , aeolian sand and silt , for systematical granular analysis and experiment of compaction feature , dynamic features and settlement features .