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底砾
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  bottom gravels
     Genetic Interpretation of the Quaternary Bottom Gravels in Huainan and Huaibei Coal Basins
     淮南及淮北煤田第四纪“底砾层”成因模式探讨
短句来源
     Study on the impermeability of the quaternary bottom gravels covered on the coal seal in Xieqiao Mine
     谢桥煤矿煤系上覆第四纪底砾层隔水性评价
短句来源
     The main target coal seam of Xieqiao Mine is directly covered with the Quaternary bottom gravels, whose impermeability affects the reasonable retainment of waterproof pillar.
     第四纪底砾层直接覆盖在谢桥煤矿煤系地层之上,其隔水性能影响到防水煤柱的合理留设。
短句来源
  “底砾”译为未确定词的双语例句
     Cause analysis and control technology of the water bursting hazard in Qidong Coal Mine, Anhui Province
     安徽省祁东煤矿底砾含水层突水灾害成因与治理技术
短句来源
     The top boundary of Sequence I(SqI) is an unconformity surfacewhich is the boundary of Guantao group and Dongying group, and there is a set ofcontinuous volcanic rock.
     其中层序 I 的顶界是一套不整合面,为馆陶组和东营组的分界,发育一套分布稳定的玄武岩; 层序 I 的底界是分流河道的冲刷面或底砾层,是沉积旋回变化的转换面。
短句来源
     Through interpretation of thermal infrared image of Yanma coal mine, two positions of water intake were discovered and have been confirmed.
     通过对演马矿井热红外遥感图像的解译,发现了两个L8灰岩进水口,即泄入第四系底砾岩层中的奥陶系灰岩岩溶水运移到第四系覆盖的L8灰岩层露头处时渗入L8灰岩的部位,该两个进水口已得到证实。
短句来源
     The bottom gravel of Quaternary system in Huainan and Huaibei mine districts of Anhui Province has been studied for the upper limit of coal mining.
     安徽省淮南及淮北煤田第四纪“底砾层”的研究 ,对于煤矿提高上限开采具有重要意义。
短句来源
     There are many viewpoints about the genesis of the "bottom gravel".
     关于底砾层的成因问题 ,有多种观点。
短句来源
  相似匹配句对
     There are many viewpoints about the genesis of the "bottom gravel".
     关于层的成因问题 ,有多种观点。
短句来源
     Genetic Interpretation of the Quaternary Bottom Gravels in Huainan and Huaibei Coal Basins
     淮南及淮北煤田第四纪“层”成因模式探讨
短句来源
     A VARIABLE-POSITION TRAWL
     变位拖网
短句来源
     The City in Black
     图城市
短句来源
     AN EXPLORATION INTO THE LUSHAN BOULDER CLAY
     庐山泥的探讨
短句来源
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  bottom gravels
The remaining bottom gravels and sands can also be scooped up with the hands and dropped, allowing any remaining organisms to be flushed into the net.
      


This paper discusses simply the main characteristics of the Lushan Uplift Bedding-De-lamination Structures Series (UBDSS). In the bedding ductile shear deformational-metamorphiczone at the bottom of the Mesoproterozoic Shuangqiaoshan Group, from top to bottom, the con-glomerate layers: tectonic conglomerate layer, tectonic separating-out-body layer, metasedimentarybasal conglomerate layer are successively separated from the preceding fault tectonic conglomeratelayer or megathick metasedimentary polymictic conglomerate...

This paper discusses simply the main characteristics of the Lushan Uplift Bedding-De-lamination Structures Series (UBDSS). In the bedding ductile shear deformational-metamorphiczone at the bottom of the Mesoproterozoic Shuangqiaoshan Group, from top to bottom, the con-glomerate layers: tectonic conglomerate layer, tectonic separating-out-body layer, metasedimentarybasal conglomerate layer are successively separated from the preceding fault tectonic conglomeratelayer or megathick metasedimentary polymictic conglomerate layer. On the basis of the above dataand differences in structure,magmatism and metamorphism between the Paleoproterozoic XingziGroup and the Mesoproterozoic Shuangqiaoshan Group,"Lushan Orogeny"was first found. It is anepeirogeny,whose kinematic period was at 2 200~1 800 Ma, and had at least experienced weather-ing and denudation for 200 Ma (1 800~1 6OO Ma) years in Late Paleoproterozoic.

本文简述了庐山隆-滑构造的基本特征。在中元古代双桥山群底部的顺层韧变带中,把前人的断层构造砾或沉积成因的巨厚层状变质复成分砾岩,自上而下分离出三层砾:上部砾、中部砾、下部砾。其中上部砾为断层构造砾;中部砾不是砾,而是构造分泌物;下部砾为沉积底砾。在此基础上,同时参考研究区早元古代星子群与中元古代双桥山群构造、岩浆活动、变质作用等方面的差异,建立了“庐山运动”,其活动时间为2200~1800Ma,这可以与华北及华南其它地区同时期的构造运动相对比,但庐山运动的强度相对较弱,表现为以垂直隆升为特色的造陆运动,它曾使研究区早元古代晚期至少遭受过长达200Ma(1800~1600Ma)的风化、剥蚀作用。

In some project,pebble is used in bearing stratum.For the resean of lower strengthand bad property of construction.The bearing capacity of pebble can't achieve the reauirement of up-structure.But the pebble soild has higher permeability coefficient and placeability.The method has remarkable economic results.

在以砾卵石层为持力层的桩基设计中 ,由于其可钻性差、易坍塌 ,强度相对较低 ,但是具有较大的孔隙率和渗透系数 ,可灌性较好 ,采用一定压力对钻孔灌注桩桩底砾卵石持力层注入水泥浆液对其进行加固处理 ,可以较大地提高其承载力 ,并能取得较为明显的经济效益

The bottom gravel of Quaternary system in Huainan and Huaibei mine districts of Anhui Province has been studied for the upper limit of coal mining. There are many viewpoints about the genesis of the "bottom gravel". In this paper, the authors studied the depositional characteristics, described the morphology and surface textures of the Quaternary bottom gravels in these districts. It is proved that the bottom gravels in these two districts are glacial till (glacial deposit). Although these two mine districts...

The bottom gravel of Quaternary system in Huainan and Huaibei mine districts of Anhui Province has been studied for the upper limit of coal mining. There are many viewpoints about the genesis of the "bottom gravel". In this paper, the authors studied the depositional characteristics, described the morphology and surface textures of the Quaternary bottom gravels in these districts. It is proved that the bottom gravels in these two districts are glacial till (glacial deposit). Although these two mine districts are located about 200km away from each other, chemical similarity of limestone and dolostone gravels for these two districts indicates that these gravels share a common source. A "stagnation and deposition falling stacking" model is proposed for genesis of these bottom gravels.

安徽省淮南及淮北煤田第四纪“底砾层”的研究 ,对于煤矿提高上限开采具有重要意义。关于底砾层的成因问题 ,有多种观点。本文分析研究了两淮地区第四纪底砾层沉积面貌、描述了砾石外观形态 (如瓜子形、拖鞋状、葫芦状、马鞍状等 )及表构特征 ,包括泥包砾、镶嵌及缝隙结构等 ,提出两淮地区底砾层为冰碛物 (冰川沉积 )。地球化学测试及分析结果表明 ,两淮地区砾石的几种主要化学成分含量非常接近 ,从而说明两淮底砾层属同一物源。综合这两方面的论证 ,提出了底砾层的“停积—融坠型冰碛物沉积模式” ,并进行了冰碛物的物源方向问题的探讨。

 
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