The theoretical breakthroughs of minimum longitudinal slope and curve radius were developed in our prevention and control projects of 31 debris flows.
最小曲线半径仅为槽宽的3倍仍能顺畅排导泥石流的效果，改善了纵坡连接代数差的范围，认识到平面曲线段和纵坡变坡点不能叠加的问题，发展了复式V型槽。
The slow movement of rock debris and soil down a weathered slope.
蠕动岩石碎片和土壤沿着受风雨侵蚀的斜坡向下缓慢移动。
This capital research mothod, first was collection that happened case analysis in Taiwan, and research area designation; second was theory establishment about debris flow from landslide; third was the research area investigation, analysising the occurrence characteristics about debirs flow along gravel slope; Finally the confirmation of occurrence characteristics from experiment, establishment and revision initial mechanism of debris flow along gravel slope.
本文主要的研究方法，首先为资料搜集，进行砾石坡面土石流历年发生案例分析，与研究区选定；其次建立砾石坡面崩塌形成土石流之土体破坏流体化理论；然后，配合研究区现场调查，分析发生特性，及坡面型土石流与崩塌、溪流型土石流形貌与分布区位间之差异；最后结合室内试验资料的验证，建立并修正砾石坡面土石流发生之机制。
In this order, that, study of the formation mechanism of soil-power type debris flows, evaluating Method for the type of rainstorm slope debris flow starting, establishing the of slope debris material loses the steady evaluating system, the research meaning is marked. This paper rounds the soil-mechanical debris flows mechanism of starting and its evaluating method for predicting, the main study includes the following:(1) Study the mechanism of rain producing flow on the slope, using the ability curve of that rainfall penetrates below the surface of the ground to deduce a calculation method for raining producing flow on the slope. It can calculate how much the rain producing surface water and groundwater on slope, and the rain influences deposit with the moisture content variety on slope.
本文围绕着降雨型土力类泥石流起动机理及其判别预测方法，进行的主要研究有(1)研究了降雨在斜坡面上的产流机制，运用了降雨下渗能力曲线法推导出降雨在坡面上产流的计算方法，实时计算降雨在坡面上产生的地表径流、地下渗流以及降雨对坡面上的碎屑固体物质堆积体的含水量变化的影响；(2)在前人的大量试验数据资料的基础上，研究碎屑固体物质堆积体的含水量对自身物理力学参数—内粘聚力C和内摩擦角φ的影响。
A loose deposit of rock debris accumulated through the action of gravity at the base of a cliff or slope.
眼睛一眨，藉以掩盖他的严肃态度
The study has determined that entire 9118? 04m3 mass of Yigong Landslide with V=112.7 m/s slide out; proved the mass fly through the narrow canyon about 3500m long keeping the velocity; discovered some evidences that the high speed debris-flow formed from that the high speed sliding mass impact the slope and is disaggregated on the canyon mouth; revealed the structure of HSLDF deposit and calculated the sizes for each part of it.
本研究确定了体积为9118万m3的易贡滑坡以V=112.7 m/s高速整体滑出；证明了滑坡是持速飞行通过约3500m的峡谷段的；发现了高速滑体在沟口碰撞解体并形成碎屑流的多种迹象；揭示了高速滑坡碎屑流的堆积结构并计算了各部分的规模。
Through the field geological investigations of geohazards in Tang Jiashan dammed lake before and after the earthquake, it was found that the amount of rockfall, landslide, debris flow changed into 7, 51, 10 from 5, 3, 0 separately after earthquake; geohazards development density and modulus changed into 1.35 and 104 from 0.26 per kilometer and 460 thousand m3/km. The effecting of slope failure induced by earthquake was quite significant.
通过地震前后对唐家山堰塞湖库区为中心的沿通口河北川～禹里段地震地质灾害现场地质调查，显示崩塌、滑坡和泥石流数量分别由地震前的5、3、0变为地震后的7、51、10个，地质灾害发育密度和模数分别由地震前的0.26 个/km、46×104 m3/km变为地震后的1.35 个/km、104×104 m3/km，地震后发育密度及模数分别是地震前的5.19和2.24倍，地震产生的边坡破坏效应极为显著。
Forcus on gravel slope which was easy to form debris flow, and drafted the operation flowchart included field investigation, GIS management, statistics and laboratory experiment.
针对易形成坡面型土石流环境之砾石坡面著手，拟订一套砾石坡面土石流野外调查、地理资讯系统、资料统计与试验分析之调查作业流程。
The asymmetric coefficients of debris flow was got. The velocity calculated by the asymmetric coefficients, bottom slope and hydraulic radius of flow.
泥石流的不均匀系数在不同的泥石流地区有很大的不同：不均匀系数小的地区阻力大，而不均匀系数大的地区阻力小，因此可以用不均匀系数划分泥石流沟的阻力特征，从而得到能兼顾所有不同地区的泥石流阻力规律。
By a series field observation data, an empirical equation of mean velocity of viscous debris flow was got. The velocity calculated by the asymmetric coefficients, bottom slope and hydraulic radius of flow. It is good at both high resistance and low resistance area of debris flows. It is good consistent for the measuring velocity of otherwise field observation data of debris flow and viscous mudflow by this empirical equation.
由一系列野外观测资料得到的由泥石流不均匀系数、泥石流运动底部纵比降和水力半径计算的粘性泥石流运动平均速度经验公式，能适应各种类型的泥石流沟，与其它系列的观测资料对比有很好的一致性，与粘性泥流的观测资料对比也很接近。
Submarine fan of terrigenous debris and allochthonous carbonate sediments on the base of slope in the Devonian trough in West Yunnan
滇西北泥盆纪海槽中的陆源碎屑海底扇及坡脚碳酸盐异地沉积
The geologic environment is friable in middle and west area of China. Some large-scale base establishment projects have influenced the geologic environment largely. The slope gravity hazards such as landslides, debris flow and collapse are retaining increased current.
我国中、西部地区地质环境脆弱，一些大规模基础设施建设对地质环境的影响很大，滑坡、泥石流、崩塌等斜坡重力灾害仍将保持增长趋势。
The main type of debris flow occurs in gulch by rainstorm, a small amount occurs on slope by rainstorm, and some others are coursed by glacial action.
泥石流以暴雨沟谷型泥石流为主，可见少量暴雨坡面型泥石流及古冰川泥石流。
The slope debris flows may be controlled by construction of drainage systems and reforestation.
建排水系统和发育植被可以最终控制坡面泥石流。
In the same Seismic stress condition, rock debris objects on the steep slope is more easily off from the mountain under the effects of gravity and the river scours the mountain on both sides, making the uncertainty increase.
在相同的地震应力条件下，坡度大的地方岩体碎屑物在重力的作用下更易脱离山体，又由于河流对两岸山体的冲刷作用，使得山体的不稳定性增加。
Hillslope debris flow is developed in hillslope, which is small-scale and without clear circulation area, and whose ditch slope and hillslope have nearly same slope.
山坡泥石流是发育在坡面上的、小型的，没有明显流通区，沟坡和山坡坡度几乎一致的泥石流。
Debris transport on the western continental slope of the Okinawa trough: slumping and gravity flowing
冲绳海槽西部陆坡碎屑沉积物的搬运方式：滑塌和重力流
In this order, that, study of the formation mechanism of soil-power type debris flows, evaluating Method for the type of rainstorm slope debris flow starting, establishing the of slope debris material loses the steady evaluating system, the research meaning is marked.
为此加强对土力类泥石流的形成机理、起动判别方法的研究，并建立坡面堆积物失稳判别系统，其研究意义是显著的。
Rainstorms triggered numerous slope debris flows with great damage to highways and rivers in the past two years.
在过去的两年内暴雨引发大量的坡面泥石流，对山区公路和河流造成危害尤为严重。
In respect of sedimentary petrography, basin and slope facies are developed between the two boundaries mentioned above, which are represented by thin bedded marl and debris flow sediment, respectively.
在沉积岩石学方面，发育代表盆地相的薄层泥灰岩和代表斜坡相的碎屑流沉积；