泥石流堆积

云南东川古泥石流堆积物ESR测年的初步研究

Preliminary study on ESR dating of palaeo-accumulation of mud-rock flow in dongchuan , Yunnan

结合TM卫星影象和1∶5万地形图，解译了小江流域内泥石流堆积扇的范围。

Using TM image and1 ∶ 50000 topographic maps , each debris flow deposited scopes are examined .

而泥石流堆积扇（debrisflowfan）不仅是泥石流发育历史的重要标志，也是泥石流规模大小和危害范围的量度指标。

Debris Flow Fan is not only an important symbol of the historical debris flow development , but also the metric for the size and hazard scope of debris-flow .

泥石流堆积层理结构的分析研究

Analyzing Study on Graded Bedding Texture in Debris Flow Deposits

天山独库公路冰川泥石流堆积与冰碛石组构特征

Characteristics of glacier debris flow deposit and moraine fabric along Duku highway

沟道粘性泥石流堆积地貌的成因分类

Genetic classification of accumulational landforms of channel viscous debris folw

泥石流堆积特征及其斜坡稳定性评价

Depositing Characteristics of the Debris Flow and Valuing to Its Slope Stability

泥石流堆积扇地貌特征及其模型试验研究

The geomorphological characteristics of debris fans and their model experiments

冰碛与冰川泥石流堆积研究的若干新成果

New Achievements of Studies on the Deposits of Moraine and Glacial Debris Flow

泥石流堆积体边坡失稳机理的试验与稳定性分析

Experiment on Mechanism of slope failure of debris flow fan and stability analysis

蒋家沟泥石流堆积体的抗剪强度试验

A test for shear strength of debris flow deposits

泥石流堆积物的分形结构特征

The fractal structure features of accumulation in debris-flow

泥石流堆积形态分析

Analysis on accumulation state of debris flow

泥石流堆积过程数值模拟及防灾效益评估方法

Numerical simulation for process of debris flow deposit and effectiveness evaluation methods of disaster prevention

武都晚更新世泥石流堆积体的沉积相

The sedimentary facies of sedimentary bodies from debris flow in the late pleistocene in Wudu area

泥石流堆积扇危险度分区评价的数值模拟研究

A study on the risk zoning of debris flow on alluvial fans by applying technology of numerical simulation

泥石流堆积泛滥过程的数值模拟及其危险范围预测模型的研究

Numerical Simulation of Debris Flow Inundation on the Alluvial Fans and Its Prediction Model of the Risk Areas

应用数学统计方法探讨了泥石流堆积扇危险度分区评价方法。

Applying the mathematical statistic method , the zoning of debris flow hazards on alluvial fans was assessed .

通过分析泥石流堆积物颗粒粒度特征和一系列的定量指标可以分析泥石流流体性质。

By analyzing the size of the deposit of the debris flow can contribute to analyzing its fluid property .

据堆积过程，把自然泥石流堆积地貌分为古泥石流台地、老泥石流台地和近代泥石流长柄扇。

According to the genesis , the accumulational landform of debris flow may be classified into natural and man-made ones .

应用层理结构的分类指标&流核比，对泥石流堆积层理的正粒序、反粒序和混杂粒序等进行成因差异分析。

Distinct causes of formation for different graded bedding in debris flow deposits have been analyzed using the ratio of flow plug .

泥石流堆积扇是判别泥石流性质、发育阶段和危险度的重要依据。

Deposition fan of debris flow is an important indication to discriminate tile characteristics , development and risk extent of debris flows .

本论文以泥石流堆积数值模拟这一当今前沿领域为研究重点，在取得成果的基础上，结合实例，初步建立了系统的泥石流灾害风险评估方法体系。

This thesis focuses its research on the advanced areas of numerical simulation and disaster risk assessment of debris flow deposition fan .

发现冰川泥石流堆积的基质指数和磨蚀指数均大于冰碛的基质指数和磨蚀指数；

The studies show that the basement index and abrasion index of glacial debris flow deposits are usually higher than those of moraine ;

在此基础上，结合云南省东川市深沟泥石流堆积区的实际情况，对泥石流灾害的危险范围和程度进行了分析评价；

Associated with damage and loss evaluation of calamitous objects in Dongchuan City of Yunnan Province , the effectiveness analysis of disaster prevention is carried out .

在此基础上，应用静力方程和静力分析方法推导得到了泥石流堆积形态曲线，并对不同边界条件和材料组成条件下的堆积形态进行了讨论和分析。

On the basis of these analyses and with the static analysis method , the accumulation state curve of debris flow is obtained by deducting the static equation .

用现代泥石流堆积物特征与之直接对比，以论证其成因的方法是不可靠的。

The characteristics of the red bounder clay , that formed in the middle pleistocene can 't be compared with those of the debris flow formed at present .

根据泥石流堆积的形态特征提出了堆积的元过程叠加，将堆积与间歇性的阵流运动联系起来；

Deposition features suggest that it is actually a result of iteration and accumulation of some elementary unit process , which is associated with the intermittent surges of debris flows .

出于这个原因，有必要建立针对强震区的预测模型来汶川大地震后泥石流堆积扇上的活动规模和最大堆积长度模型。

For this reason , it is necessary to establish an appropriate model to predict the possible debris - ? ow magnitude and runout distance on the alluvial fans after the Wenchuan earthquake in the Meizoseismal area .

高浓度黏性泥石流堆积层理结构中筛积层和粗化层形成机理的研究

A Study on Forming Mechanism of the Bedding Structure of the Gravel Accumulated at Surface , and Rough Bedding Structure in Deposits of Viscous Debris Flows with Hyperconcentration Numerical simulation of three-dimensional viscous steady flow in multistage turbine