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层理
    STUDY ON BEACH STRATIFICATION ALONG SHANDONG PENINSULA
    山东半岛海滩层理的研究
    The types and geological implications of the banded stratification in deep-water sedimentary environments
    深水沉积环境条带状层理的分类特征及意义
    and the permeability coefficient of the stress-strain relationship of the sum, with stratification also soft rock permeability changes in the direction and contingency mechanism is discussed.
    对渗透系数与应力、应变的关系进行了研究,并对软岩渗透性随层理方向及应变变化的机理进行了探讨。
    According stratification study of the tested soil, transfer and transformation of nitrogen contaminants from leachate in soil and groundwater were systematically analyzed.
    通过划分土壤层理结构,对渗滤液氮类污染物在土壤和地下水中的迁移作了系统分析;
    4)Orthogonal experiments was adopted to determine material proportion of similarity simulation, the stratification widely in stratum was modeled by mica powder. The whole process from deformation to crack and collapse of overburden failure was modeled and the emerge course and the existence domain of layer separation is described, at the same time, the regularity of earth surface subsidence is analysed, it is concluded that relatively reliable span limit of overburden is 110m, Furthermore, the measure error and the material parameter error was discussed in paper.
    4)采用正交试验确定相似模拟试验中的材料配比,用云母粉模拟广泛存在于岩层中的层理,模拟了上覆岩体从变形到开裂、跨落的全过程,描述了离层的产生过程与存在范围,分析了地表沉降规律,得出了较为可靠的上覆岩体极限跨度:110m。
    This method includesthe division of the body into a number of its elements according to changesin occurrences of stratification planes, and the calculations of the magneticanomalies for the cylinder with the combined polygon section after the findingof magnetication for each element.
    即按层理面的产状变化将磁性体划分为若干单元体,求取各单元体磁化强度后,用组合多边形截面柱体计算磁异常的方法。
    This paper introduces how the sample of sandstone makes various changes of its strength, deformation and the traval time of P wave vertical to stress direction, under dry and saturation conditions and along with horizontal stratification and vertical stratification when the single axis oading is conducted.
    本文介绍了砂岩样品在干燥和饱和状态下,沿平行层理和垂直层理两个不同方向进行单轴加载时的抗压强度、变形特点和垂直于应力方向的P波走时的变化。
    The results show that water makes an influence on the strength and the velocity of P wave of sandstone, and the sandstone sample of primary stratification has a definite direction of its strengsh, deformation and the velocity of P wave.
    结果表明,水对砂岩强度、P波速度的影响较大; 具有原生层理构造的岩石样品的强度、变形和P波速度显示一定的方向性。
    The bioclastic micrite limestone in shale strata of the lower Meitan formation in Wudang,Guiyang is a complete tempestite layer. Its thickness is about 130cm and its sedimentary sequences can be divided from bottom to top into six sections, Section A being grained sequence , Section B being massive; Section C being parallel bedding, Section D being hummccky cross stratification, Section E being wave ripple and Section F being pelitic.
    贵阳乌当地区奥陶系湄潭组下部的页岩中所夹的一层生物碎屑泥晶灰岩,是一个完整的风暴岩层,整个风暴岩厚约130cm,其沉积序列由下而上分为粒序段A、块段层段B、平行层理段C、丘状交错层理段D、小型沙纹层理段E以及泥岩段F,其A段+B段厚度小于D段+E段,为一下陆棚环境的远积风暴岩.
    The influenfial factors of stratification plane to smooth blasting are studied according to the ti eory of smooth blasting and the anslysis of static stress.
    根据光面爆破理论和静应力分析,阐述了层理面对光面爆破效果影响的因素。
    The results show that the angle p between the maximum principal plane and the rertical line of stratification plane has some influence on the fracture of rock masses.
    其中着重研究了最大主平面与层理面法线夹角β对岩体断裂破坏的影响。
    3. Lack-ing parallel stratification and developing hummocky cross-sttatification and current bed-ding.
    (3)缺乏平行层理,发育丘状交错层理和波状层理
    Taking the stratification plane of middle inclined shale as the bench slop plane of the hottom wall of shale can incrase the height of bench, improve the slope stability and vaise the angle of slope entirety.
    对中等倾斜矿床下盘页岩边坡,采用页岩层理面作为台阶坡面,加高台阶段高,可增加边坡的稳定性,又能提高整体边坡角。
    Various lage scale geological investigations aimed,first of all,at searching for hydrocarbons and related to the Cambrian stratification,paleogeographic and paleotectonic reconstructions,as well as restoration of depositional environments have been persued in the area for more than half a century.
    半个多世纪来,区内进行了各种大型的旨在找烃的地质调查及有关的寒武系层理、古地理和古构造的重建,以及沉积环境的重塑。
    The environment evolution history of the Heqing Basin since 600 ka B P has been established based on the analysis of the colour,granularity,stratification and lithological assemblage of the sediments from the HQ core in combination with the study of the magnetic stratigraphy,susceptibility,content of carbonates,total organic carbon and the carbonlnitrogen ration of the sequence.
    本文依据沉积物的颜色、粒度、层理、岩性组合等特征,并参照磁性地层、磁化率、碳酸盐含量、总有机碳及碳氮比值等环境指标,初步建立云南鹤庆盆地约600kaBP以来的古环境演化历史。
    The investigation and analysis on the slip mass and its occurrence environment showed that the landslide on the north hill around the Scenery Reservoir in Xinjian County had the following factors and mechanism: The tread of the stratification of gneiss runs parallel to the sloping face so as to form a slip plane,which is the important geological basis.
    通过对滑坡体和其发生环境的调查分析,新建县风景水库北坡山体滑坡具以下因素作用和发生机制:片麻岩层理走向与坡面平行是形成滑落面的重要地质基础;
    The Yankou Formation in the Upper Ordovician of Tonglu County in Zhejiang Province consists mainly of rhythmically thin alternating layers of gray fine-grained sandstones, siltstones and dark-gray mudstones, silty mudstones, in which the typical flaser, wavy, lenticular bedding and rhythmic stratification are well developed, with 2-3 intercalated beds of gray medium- to thick-bedded conglomerates in the base of the formation.
    浙江桐庐地区上奥陶统堰口组主要为一套灰色细砂岩、粉砂岩与深灰色—灰黑色泥岩、粉砂质泥岩的韵律性薄互层,底部发育2~3层灰色中—厚层的砾岩,其砂泥岩薄互层中发育有典型的脉状、波状和透镜状层理及韵律层理
    The natural gradation、stratification、jointof、fracture of rock is used to suitably determine the direction of blasting and hole pattern in the course of mining stones for Chaishitan reservior engineering, and ideal blasting effectiveness is achieved.
    岩体的层理、节理及原生裂隙相互切割 ,组成了岩体的自然级配。 本文全面介绍了柴石滩水库工程石料开采中利用岩体的自然级配选定合适的爆破方向和孔网参数 ,取得了较好的爆破效果。
    Because the kinds,structure,storage and stratification of coal are different,it is difficult to analyze the effect factor on coal cutting power. Based on a lot tests,the change rule of cutting parameter with cutting power is discussed,it is an important basis for designing,researching and selecting mining equipment,prcessing and technical reform.
    由于煤炭的种类、结构、赋存和层理的不同 ,给分析影响煤炭切削力因素带来了困难 ,在大量实验的基础上 ,讨论了切削力随切削参数的变化规律 ,为设计、研究、选择采掘设备、开采工艺、技术改造提供了重要依据。
    Aimed at the typical complex strata,the finite element method and resistivity imaging technique are applied in the paper to deal with the analysis and simulated measurement of stratification and fracture,and the simulated imaging results are used to reflect the real formation information directly.
    针对这些典型的复杂地层 ,本文利用有限元方法和电阻率成像技术 ,对层理和裂缝进行分析与模拟测量 ,并利用模拟成像结果直观反映地层信息。
 

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