本文根据顺层边坡的地质背景及力学作用机制,抽象出了顺层边坡溃屈破坏的力学模型。
Based on the geological background and mechanism, mechanical model of buckling failure for the consequent slope is given in this paper.
顺层边坡的破坏可以按照平面滑移面计算确定发生变形的判据,库仑方程是这种破坏适宜的破坏判据。
The breakage of bedding slope can be calculated as plane slippage, and the coulomb formula is fit for it.
通过对顺层边坡岩体结构屈曲和后屈曲变形因素的分析,提出了以位移形式表示的层状边坡溃屈破坏的上限值。
The upper bound for buckling failure of bedding slope is derived in the form of displacement by researching buckling deformation factors.
利用文中理论方法及所建立的位移判据,并结合工程现场有效的量测手段,可方便、有效的判定岩质顺层边坡的稳定性。
The displacement criteria given in the paper and the available measure method in engineering locale are used to predict the stability of the rock slope conveniently and efficiently.
本文从突变理论入手,建立了顺层边坡的尖角型突变模型,并推导出了边坡系统的总势能表达式以及这类边坡失稳的临界条件。
A cusp catastrophic model is founded on the stability of an inclined bedding slope from catastrophic theory, and a formula of the total potential energy and a criterion condition are derived.
介绍运用摄动随机有限元法(PSFEM)分析顺层岩质边坡可靠性的推导过程。
The process in which the reliability of rock bedding slope is analyzed by applying the perturbation stochastic finite element method (PSFEM) is formulated.
对影响顺层岩质边坡稳定性的主要因素及其变形破坏模式进行了研究总结。
The major influence factors of stability and the deformation and failure modes of consequent bedding rock slope are summarized.
层状结构边坡分为:水平坡、顺层坡和逆层坡,其中顺层坡最轻易发生失稳破坏。
Layered slopes included: The level slopes, bedding slopes and inverse slopes, in which bedding slopes are destroyed early.
通过工程实践,将层状岩体边坡顺层破坏机理归纳为三方面的问题,即:平面旋转滑动、解体滑动和渐进破坏。
Through the engineering practice, the bedding failure mechanisms of bedded rock side-slope could be divided into three types: plane rotatory sliding, disintegration sliding and gradual destruction.
对现场爆破情况分析知,顺层台阶爆破的抵抗线、炮孔装药量、软弱夹层含水率是影响边坡稳定性的主要因素。
Resistance lines, hole charge, moisture content of interlayer are the main factors to effect the slope stability in blasting of layered rock masses by analyzing site blasting.
为了分析顺层岩质边坡弱面注浆效应,采用了基于拉格朗日差分法的数值分析模型对其进行模拟。
In order to analyze weak plane grouting effect of consequent bedding rock slope, it is simulated by numerical analysis model which is based on Lagrangian difference method.
该方法简单适用,对研究顺层岩质边坡失稳机理具有重要意义。
The method is simple and important to studying mechanism of bedding rock slope.
开挖顺层岩石高边坡,往往需要进行预加固,因而合理确定坡体开挖松动区范围就便成为核心问题。
Some stabilizing structures must be set before cutting a bedding high rock slope, and how to determinate the range of disturbed zone becomes the key problem.
文中结论可为顺层岩质边坡的科研、设计和施工提供参考。
These conclusions can be used as a conference in research, design and construction of rock bedded slope.
利用地质力学模型试验方法,对上述两个问题进行了探讨,给出了确定开挖松弛区范围的方法,以及顺层岩质边坡的边坡走向与岩层走向夹角的上限值。
The large-scale model testing is one of the important methods to research style of structural internal force and stability of surrounding rock in double-arch tunnel.
“5.12”汶川大地震诱发的大量滑坡显示,顺层岩质边坡在地震力作用下发生失稳所占的比例最大。
A great number of landslides induced by "5.12" Wenchuan earthquake show that the failure of cataclinal rock slopes induced by earthquake forces account for the maximal percentage.
基于相似理论建立顺层岩质边坡力学模型,并介绍爆炸模型试验的设计思路及试验方法。
Based on the similarity theory, a mechanical model of consequent rock slope is established. The design idea and method of the explosion model test are introduced.
本文利用离散单元方法(dem)分析了三峡水库某公路顺层岩质边坡开挖变形破坏机制及其演变过程,并对工程治理效果进行模拟研究。
DEM is used to analyze the evolvement course of the excavation deformation of a road bedding lithologic slope in the Three Gorges reservoir region, and to simulate the effect of control project.
含软弱夹层顺层岩质边坡是常见的边坡类型之一,其地震响应规律与变形破坏机理是边坡抗震设计的基础。
Bedding rock slope within weak interlayer is one of the most common slope types. Its seismic response law and deformation failure mechanism are the basis for seismic design of Slopes.
滑劈破坏是自然界中客观存在的层状岩石边坡顺层滑坡的一种破坏模式,其特点是滑体上段为剪切下滑,下段被上段推挤后发生倒转破坏。
The slipsplit failure of rock slope parallel to rock layers is a slipping pattern objectively existing in nature characterized by upper part shearing and slipping and lower part overturning.
分析结果表明,边坡向斜南翼顺层滑移变形主要集中在第1,2层,采取相应的治理工程之后,边坡变形明显减缓。
The results show that most of the maximum deformation appears in layers No. 1 and No. 2, and the deformation decreases greatly after being reinforced.
提出在实际工程中,为避免开挖过程中边坡出现顺层滑动,宜边开挖边支护,且首先在坡脚处设置锚杆。
The results show that, in order to avoid the failure of the slope, excavating and supporting should be carried out simultaneously, and anchor bolts should be used firstly in the foot of the slope.
为了分析顺层岩质边坡弱面注浆效应,采用了基于拉格朗日差分法的数值分析模型对其进行模拟。
Study on correlation between stability of consequent rock slope and obliquity of rock layer by simulation experiment;
袁家湾滑坡是在高速公路修建过程中开挖高陡边坡诱发的顺层岩质滑坡。
The Yuanjiawan landslide is a bedded rock landslide triggered by cutting the high and steep slope in the process of building Lanzhou-Lintao Expressway in Gansu Province.
通过对雪峰露天矿山顺层岩质边坡的岩体结构力学参数进行分析,应用响应面法计算边坡可靠度,结果与实际情况基本相符。
Based on the analysis of physical and mechanical parameters of bedding stratified rock slope of Xuefeng open pit, the rock slope reliability is calculated by the response surface method, th...
通过对雪峰露天矿山顺层岩质边坡的岩体结构力学参数进行分析,应用响应面法计算边坡可靠度,结果与实际情况基本相符。
Based on the analysis of physical and mechanical parameters of bedding stratified rock slope of Xuefeng open pit, the rock slope reliability is calculated by the response surface method, th...
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