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And a method to determine the limit balance status of the slope under explosions based on the plasticity zones transfixion of the slope is proposed. And the factor of safety of the slope is computed using the strength reduction technique and proposed method.

提出了通过分析爆破荷载作用下边塑性区贯通与否并辅于边关键点位移收敛与否来确定反倾岩体边临界状态的方法,并结合强度折减法确定了爆破荷载作用下台山反倾岩体边的安全系数。

It is the biggest that slope direction impacts on the temperature in four factors ——underlaying surface, slope direction, slope position and altitude.

下垫面性质、向、位和海拔高度四个因素中,向对温度影响最大,其次是海拔高度,位和下垫面性质影响较小。

Wavy distribution of soil water along hillslope resulted from the fluctuation of runoff, upslope runoff infiltration, lateral downslope flow, and the difference of infiltration rate and evapotranspiration.

4土壤水分沿面呈&波浪形&分布是面径流的波动性、上方来水的沿程入渗、侧向沿向下流以及面各处入渗性能和蒸发蒸腾作用的差异等综合作用的结果。

At the same time, on the base of the analysis and study of the characteristic of sliding stability failure of loess slope in Sanmenxia area, a method, which is suitable for many hori

同时,在对三门峡地区黄土边滑动失稳特征进行分析研究的基础上,采用了一种适合多种土层、不同型的边稳定性分析方法,对三门峡地区四处深路堑黄土边实体工程稳定性进行分析及评价。

Based on the research of influencing factors and regularities of distribution of loess side slope stability in Northwest, the author select Pingshuo Antaibao southern spoil bank as subject investigated, and abstract several the most rudimental influencing factors which are ubiquitous concerning slope stability in loess area such as sloping shape, slope ratio, bulk density, cohesive force, angle of internal friction, elastic modulus, Poisson ratio, water immersion.

本文在探讨黄土地区边稳定性的影响因素及其分布规律的基础之上,选取平朔安太堡南排土场为研究对象,抽象出对于黄土地区边稳定性具有普遍意义的几个最基本影响因子:型、比、容重、内聚力、内摩擦角、弹性模量、泊松比、水。

Hence , this article' s background is the western important item of natural foundation " Great Roadway Engineering of Western Mountain and Environment Mutual Action mechanism " and " Xi Pan Highway Geology Disaster Research and Countermeasure "; on the base of widely consulting on the national and abroad literature datum base ; investigating the slope on the Xi Pan highway; discussing some problem of the slope engineering on the Xi Pan highway Based on centrifugal model experiment , What it is to the slope whittles that the slope places the terrace fills the earth counter pressure the this two kinds of prevention and cure steps of engineering has been underway researching initially , main work and fruit as follows :(1) Based on the impersonal sum-up and comparison of all kinds of methods of analysis about slope stability at present, the current research is introduced and the developing trend is discussed in brief.

基于离心模型试验,对削放平台、填土反压这两种工程防治措施进行了初步研究,主要的工作和成果如下:(1)在客观总结目前国内外边稳定性分析方法的基础上,对国内外边研究现状进行简介,对边的稳定性分析方法进行了总结、对比。

According to the similarity method and model test method,a indoor test was conducted and the soil pressure distribution in the grillage supporting structure with prestressed anchor bar in the loess slope was studied.

在框架预应力锚杆支护边工程中,由于锚杆、预应力及堆载的存在,使得边应力状态复杂。以相似理论为基础,通过室内模型试验的方法,研究黄土地区框架预应力锚杆支护边的土压力分布规律。试验结果表明,锚杆预应力的大小、位置及其施加次序是影响边应力状态的主要因素

Field measurement of surface wind velocity and sediment transport rates was made on barchan dune in Wulanbuhe desert to understand. The results show that the wind velocities increasing upon windward slopes of the dunes vary with both slope morphology and wind velocity at the foot of the dunes.

对乌兰布和沙漠新月形沙丘表面风速的野外观测结果表明,沙丘迎风气流加速量主要和沙丘面形态、迎风前来流风速有关,迎风风速放大率介于1.02~1.59之间。

The critical loess slopes along the highways were the inputted form of slopes and measured values of cohesions and internal friction angles were the reference values of random variants. Monte-Carlo method was used to choose samples and the formula of the Bishop simplified method was regarded as control equation. The reliabilities of the loess high slopes in three positions of Shaanxi Province were simulated. Failure probability and reliability index were obtained.

以极限状态作为输入型,将陕西黄土地区公路勘察中实测的粘聚力和内摩擦角作为主要随机变量参考值,采用Monte-Carlo法抽样,简化Bishop法公式作为控制方程,对陕西地区3个地段的黄土高边进行了可靠度模拟,获得黄土高边的失效概率与可靠指标。

The results showed the seeds of ephemerals mainly distributes in 0- 5 cm soil and there are few seeds under the 5 cm soil.

结果表明:短命植物种子主要集中分布于地表0~5cm土壤中,5cm以下土壤中极少存在有活力的种子;沙丘间及沙丘不同部位的种子库密度大小不同,密度自底随高度增加逐渐减少,底、中部及顶部密度分别为124粒/m^2、91粒/m^2、66粒/m^2。

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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。