砾石

基本解释 (translations)

pebblestone

与砾石相关的网络例句 [注：此内容来源于网络，仅供参考]

Both the a-axis and ab-plane dip towards the downstream , the dip angles of the a-axis are low and concentrated, being 7—8°,the ab-plane dips at 7～21°, and the a-axis has more preferred dip of fabrics than the ab-plane; the peak of the grain-size frequency distribution curve of deposits in the Lushan area is in the range of 4 and 5 φ;The quartz sand grains are subangular and have well-developed conchoidal fractures, parallel striatio ns, upturned cleavage flakes,"V"-shaped holes and siliceous deposits.

摘 要：庐山第四纪泥砾沉积物的砾石组构特征表明，砾石岩性与山体基岩基本一致，砾石的等体积球径较小，加权平均砾径较中值砾径大，分选系数大于1，分选性差，φ值相对较小，平均为0.66，F值相对较大，在2左右，F/φ比值介于2.75～4.75，ρ值集中且较小，为22.75%～37.75%，砾石以棱角、次棱角状为主，磨圆较差；a轴和ab面都倾向沟谷下游，a轴倾角集中且较小，为7～8°，ab面倾角为7～21°，a轴较ab面具有更为优势的组构倾向；沉积物粒度频率曲线在4～5Φ范围内表现为峰；石英砂颗粒为次棱角状，贝壳状断口发育，具平行擦痕、上翻解理片、V形坑和硅质沉淀。

The characteristics of gravelly soil are understood entirely and the construction method and experience are found out through construction.

通过在施工中探索，全面了解砾石土的特性，摸索出砾石土施工方法和经验。

But the strata with high ground water level are composed of alluvium clays、 silty clay、 gravels and crushed stone soils in Chengdu;And the shield will drive in the interzone with complicated geologic environment, especially in the strata contained more than 50 percent of grav

而成都地铁工程将主要穿越由冲积粘性土、粉土、砂砾和碎石类土组成的覆盖层，地下水位高，盾构将通过大量地质条件和环境条件均极为复杂的区间，特别是地层中还夹杂有大漂石、胶结砾石层、粉细砂透镜体，隧道围岩中直径大于5cm的砾石含量一般都在50%以上，最大的漂石直径达1m左右，且地面多为建筑物密集的繁华地区，施工难度大，国内尚无先例，在国外也无完全成熟的经验。

Slope stabilization treatment of this region including polyathylen strip method and thin layer hydrograsser method, some small slopes even have not been treated. A few of the treated slopes fail during heavy rainfall. The post method of treatmenting these slopes obviously doesn't function properly. The purposes of this research is to suggest suitable methods for gravel slopes, and consider slope behavior and stability.

当初公路沿线砾石边坡於设计阶段时，采用了包括植生带铺植工法及薄层喷植工法二种护坡工法，另部份边坡高度较小之路段未予植生处理；由於此路段边坡易受雨水侵蚀而形成侵蚀沟，并使其细粒料流失，造成边坡植生效果不佳，所采用之护坡工法无法达到其预期之效果，本研究目的为建议适合之工法应用於现地砾石边坡上，并探讨边坡之整体行为与稳定性。

But the strata with high ground water level are composed of alluvium clays、 silty clay、 gravels and crushed stone soils in Chengdu;And the shield will drive in the interzone with complicated geologic environment, especially in the strata contained more than 50 percent of gravels which diameter is greater than 5cm, also contained big grain size gravels(the maximum diameter is about 1m)、 cement gravels and silty sand with lentoid mass;And on the ground there have many serried buildings in the prosperous zone.

而成都地铁工程将主要穿越由冲积粘性土、粉土、砂砾和碎石类土组成的覆盖层，地下水位高，盾构将通过大量地质条件和环境条件均极为复杂的区间，特别是地层中还夹杂有大漂石、胶结砾石层、粉细砂透镜体，隧道围岩中直径大于5cm的砾石含量一般都在50%以上，最大的漂石直径达1m左右，且地面多为建筑物密集的繁华地区，施工难度大，国内尚无先例，在国外也无完全成熟的经验。

China's "Highway Engineering Technical Standards" will be divided into high-level road according to technical quality, sub-senior, middle and low-level four kinds, all kinds of road surface types are as follows: Senior Pavement - asphalt concrete pavement, cement concrete pavement, plant mix asphalt crushed stone pavement, stone pavement of rocks or neat; second high-level road surface - asphalt penetration-style pieces, gravel road, asphalt road debris, gravel road, asphalt road surface, Treatment, semi-neat stone pavement; middle road - broken, gravel (size distribution, or clay-bound) road surface, irregular stone pavement, other granular surface; low road - aggregates stabilized soil surface, and other local materials, reinforcement or improvement of soil surface.

中国《公路工程技术标准》将路面按技术品质分为高级、次高级、中级和低级四种，各种路面的面层类型如下：高级路面——沥青混凝土路面，水泥混凝土路面，厂拌沥青碎石路面，整齐石块或条石路面；次高级路面——沥青贯入式碎、砾石路面，路拌沥青碎、砾石路面，沥青表面处治路面，半整齐石块路面；中级路面——碎、砾石路面，不整齐石块路面，其他粒料路面；低级路面——粒料加固土路面，其他当地材料加固或改善土路面。

The cobble formation in Taichung is the complex stratum consisting of poorly cemented sand, gravel and cobble.

台中盆地之卵砾石地层，乃是由一些胶结不佳之填充材料和坚硬之卵砾石所组成之复合性地层。

As to multi-layer reservoirs,each layer can be divided into three areas:area of gravel-packing,area of perforation and area of radial flow.Each area has its own governing equaiton and the solution is expressed by Green function.The well bore pressure and layer-rate is given through Green function in Laplace space.The pressure drop and skin factor isobtained also in each area.

根据多层砾石充填完井的渗流特点，将每个产层在径向上分成3个区域，即砾石充填区、射孔区、地层径向流区，每个区域有各自的渗流方程，对n层油藏有3n个渗流方程，将每个区域的方程用Green函数来表示，由各层的Green函数得到井筒混合压力、分层压力及分层产量在Laplace空间上的解，最后得到每层各区域的压力损失、表皮系数以及井底压力和分层产量与时间的变化关系。

Are These Stones from Seabed of the Southern Yellow Sea of China Ventifacts?

中国黄海南部的海底砾石是风成砾石吗？

Thirdly, on the basis of the productivity model of ideal wells , we comprehensively consider the additional pressure caused by different completion methods and establish four structures of multilateral horizontal wells in 8 different completion methods of the actual open hole completion, slotted liner completion,slotted liner completion with external casing packer, open hole downhole gravel pack completion, openhole prepacked gravel liner completion, casing perforated completion, inside casing gravel pack completion, inside casing prepacked gravel liner completion.

在理想井产能模型的基础上，综合考虑不同完井方式所造成的附加压力损失，建立了这四种分支水平井结构在实际裸眼完井、割缝衬管完井、带ECP的割缝衬管完井、裸眼井下砾石充填完井、裸眼预充填砾石筛管完井、射孔完井、套管内井下砾石充填完井、套管内预充填砾石筛管完井等8种不同完井方式下的产能模型。

与砾石相关的网络解释 [注：此内容来源于网络，仅供参考]

gravel angularity：砾石棱角度

gravel aggregate 砾石骨料 | gravel angularity 砾石棱角度 | gravel arrangement 砾石颗料排列

boulder fall：砾石下坠;砾石泻坠

boulder 砾石;巨砾;孤石 | boulder fall 砾石下坠;砾石泻坠 | boulder fence 防石栏

boulder pavement：砾石地;乱石坡

砾石;砾;石子 gravel | 砾石地;乱石坡 boulder pavement | 砾石护层 panzerung

gravel breakup：砾石破碎

gravel bed 砾石层 | gravel breakup 砾石破碎 | gravel bridging 砾石形成砂桥

gravel buildup：砾石堆积

gravel bridging 砾石形成砂桥 | gravel buildup 砾石堆积 | gravel column 砾石充填柱

gravel dyke：砾石脉

gravel dune 砾石砂丘 | gravel dyke 砾石脉 | gravel fall rate 砾石沉降速率

gravel pack：砾石过滤层

gravel fraction 砾石部分 | gravel pack 砾石过滤层 | gravel packing 砾石过滤层

gravelly：似砾石的;含砾石的

砾(石平)原 gravel plain | 似砾石的;含砾石的 gravelly | 砾土 gravelly soil

pea grit：豆粒砾石

pea gravel grout 豆砾石薄浆 | pea grit 豆粒砾石 | pea shingle 豆粒砾石

gravel shattering：砾石破碎

gravel settling effect 砾石沉降效应 | gravel shattering 砾石破碎 | gravel sieve analysis 砾石筛析