表層下基巖 的英文怎麼說
中文拼音 [biǎocéngxiàjīyán]
表層下基巖
英文
subterrane- 表 : Ⅰ名詞1 (外面;外表) outside; surface; external 2 (中表親戚) the relationship between the child...
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 下 : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 表層 : skin layer; superficial coat; veneer; surface; sexine; bloom; supercrust; surface layer表層沉積 [...
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On the basis of the concept and analysis method of slope geological structure, four typical slope geological structures are selected by some investigations on more than one hundred high rock slopes in the motorway project. these structures are thick sandstone stratum, stratum including weak coal, stratum made of red or brown plastic clay and soft rock mass and stratum made of remnants rock mass. the practical slope geological structures are compact basis of geological mechanical model for the analysis of relaxation zone in high rock slope projects
在介紹了坡體結構概念並提出建立坡體結構方法的基礎上,根據對京珠高速公路粵境北段路塹高邊坡工程中百余處巖石高邊坡的調查總結,選擇了其中較為具有代表意義的厚層砂巖、煤系地層、紅土地層及殘坡積層路塹高邊坡共4類巖石高邊坡作為研究對象,為對巖石高邊坡開挖鬆弛區的分析打下了堅實的實際地質力學模型基礎。In this paper, the finite - element numerical analysis calculation is applied to the foundation of high - rise and multi - floor building and the evolvement law of stress and displacement of tunnel used by urban traffic to explore the mutual influence between the wall rock of underground space and high - rise building foundation, taking account of the specific construction situation in the " sanmu garden " project in dadukou district in chongqing, from the perspective of underground space static - force structure stability analysis to open a underground tunnel with 6m in span and 7. 5m in height for track traffic 20m below the surface. this paper, taking considerations of three different states, i. e. the natural state without any artificial interference, the state of high - rise buildings on the surface, and the underground tunnel state with excavation for track traffic, and four plane lines and four vertical lines, analyzes and studies the distributing law of stress and displacement of calculation section from the following aspects : ( 1 ) the main stress vectorgraph, displacement distribution graph ( ux, uy ) and chromatogram graph of stress isoline ( 1, 2, xy ) of section under different states ; ( 2 ) the contrastive distribution curve of stress ( 1, 2, xy ) of different plane and vertical lines under the same state ; ( 3 ) the contrastive distribution curve of stress ( 1, 2, xy ) of the same plane and vertical lines under different states, wishing to provide references for underground space utilization and project designing and construction of the tunnel under high - rise buildings in the future
本文結合重慶市大渡口區「三木花園」開發建設項目,從地下空間靜力結構穩定性分析角度出發,針對在該項目中涉及的高層和多層建築物以及在其地下20米處開挖了一個用於軌道交通的跨度6米,高7 . 5米的地下隧道這一具體工程情況,採用2d - 3d -有限元結構分析程序對高層與多層建築物的地基基礎及其與城市軌道交通使用的地下隧道圍巖的應力與位移演變規律進行了有限元數值分析計算,探索了地下空間圍巖與高層或多層建築物地基基礎之間的相互影響,通過考慮未受到任何人為擾動影響的天然狀態、地表存在多層或高層建築物狀態和地下開挖用於軌道交通的地下隧道狀態等三種不同狀態以及4個水平剖線和4個垂直剖線等不同情況,從以下幾個方面具體分析研究了計算斷面的應力與位移分佈規律: ( 1 )在各種不同狀態下計算斷面的主應力矢量圖、位移分布圖( ux 、 uy )以及應力等值線色譜圖( _ 1 、 _ 2 、 _ ( xy ) )等; ( 2 )相同狀態下不同水平與垂直剖線的應力_ 1 、 _ 2和_ ( xy )對比分佈曲線; ( 3 )不同狀態下相同水平或垂直剖線的應力_ 1 、 _ 2和_ ( xy )的對比分佈曲線等,為今後在對地下空間的開發利用以及在高層建築物地下開挖硐室時的工程設計和工程施工提供參考依據。Against the particularity of problem of gas bursting of ( subscript 1 ) coal seam in ludian gliding structure in west henan, through a large amount of work of field surveys and interior research, and viewed from the basic theories of structural petrology, discussed some characteristics of mining gas hazard such as image, mechanism and tectonic control process
摘要針對豫西蘆店滑動構造區二(下標1 )煤層瓦斯突出問題的特殊性,通過大量野外地質調查和室內研究工作,從構造巖石學基本理論著手,討論了構造區礦井瓦斯地質災害的表象、機理和構造控製作用。The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed
主要工作有:本文根據biot平面動力固結方程,運用積分變換和矩陣傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡諧振動荷載時,任意點應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。The foundation engineering is typical in both excavation depth and scale, on the basis of in - situ investigation, the design optimistic of retaining wall was discussioned in this paper, the mian reseaches including : the using of fem optimazition methods of rods system ; the delvopment of programs for optimazition of imbedding depth of structure based on matlab and for whole design optimaziton of the retaining structures based on ansys, under the two controlling factors of the saft coefficient and the reliability probability about the whole damage of retaining atructure ; the analysis on the m index of soil, the depth of retaining structures imbedded in the rock and the overall optimistic design of retaining structures
該基礎工程不論在開挖深度還是規模上都很具有代表性。作者在現場調研的基礎上,探討了基坑支護結構設計優化問題。主要研究內容可以歸納為:應用基於m法的彈性地基梁桿系有限元方法;在圍護結構整體穩定性安全系數與可靠性破壞概率兩種控制因素下,編寫了嵌巖深度優化的matlab程序與圍護結構整體設計優化的ansys批處理程序;進行了地層抗力比例系數反算、地下連續墻嵌巖深度優化與地下連續墻結構體系整體設計優化。A lot of results are made from calculating of case for geothermal reservoir property of earth energy within 200 2000 ( m. ) , it is helpful to analysis influence of permeability coefficient, kinematic viscosity and thermal diffusion coefficient of soils and rocks on heat transfer performance
在地表熱能熱儲物性為200 - 2000 ( m . )的范圍內進行的理論計算,得到了許多重要結果,為分析巖土層滲透系數、流體運動粘度和導溫系數等對傳熱量的影響打下了良好基礎。The nancha suspending - gay bridge of the changjiang road - bridge in jiangshu runyang, with a main span of 1490m, ranks first in china, third in the world. the north rivets, only 250m from the main stream of changjiang, have a tight liaison with the waterpower of it. especially, in this area, the face of rocks undulates a lot and exist fault - fabric. the soil there has apparent difference with the trend of water. the base - hole of north rivets can be named a super - deep one, with a 60m length, 50m widths, and 48m depths. the fence of the base takes advantages of the rectangular underground continuous wall structure and succeeds
江蘇潤揚長江公路大橋南汊懸索橋,主跨1490m ,居中國第一,世界第三。該橋的北錨碇距長江幹流僅250m ,與長江水力聯系密切,錨碇區水文、地質情況復雜,表層淤泥質土及松軟粘土層較厚,基巖頂面起伏較大,且存在斷裂構造,土層具明顯的流變特性。北錨碇基坑為長60m 、寬50m 、深48m的矩形超深基坑,其基礎圍護在國內首次採用矩形地下連續墻結構,並獲得成功。Based on the ground outcrops and drilling core samples, and two - dimensional seismic data in this paper, through a comprehensive evaluation and research of the reservoir characteristics, the authors clarifies that the dolomite of the upper sinian dengying formation and the grain limestone of the lower silurian shiniulan formation are main reservoir rocks in the research area, and the sedimentary facies, karstification, and the number of cracks are the main controlling factors of the reservoir quality
以地表露頭、鉆井資料及二維地震資料為基礎,通過儲層特徵綜合評價研究,認為上震旦統燈影組白雲巖、下志留統石牛欄組顆粒灰巖為區內的主要儲集巖,沉積相、巖溶作用及裂縫發育程度為儲層發育的主控因素。The further study shows that the sandstones at the bottom of the lower ganchaigou formation, which is a tr lithostratigraphic unit, were deposited in different stages of base level cycle, and they are not chronostratigraphic unit. so, to identify different sequences, especially high order sequences in analysis of terrestrial stratigraphic sequences, the sequence distribution feature must be fully consided. this view has practical significance for recognizing forming, evolution and filling history of qaidam baisn correctly, and has both theorical and practical meaning for directing further oil exploration
研究還表明,傳統巖石地層單位中下乾柴溝組底部的砂巖代表了基準面變化旋迴不同階段沉積的產物,它們屬于不同的成因單位,也非等時地層單位,因此,在進行陸相層序地層分析時,各級層序尤其是高級層序的識別要充分考慮面上的層序展布特點,這一觀點對正確認識柴達木盆地的形成演化和沉積充填歷史,指導今後的勘探具有一定的理論和實際意義。The results show that ( 1 ) the unconsolidated confined aquifer plays a crucial role in load transfer because of its fluidity and replenishment in time, making the loads of overburden soil evenly transfer into the bedrock through the unconsolidated confined aquifer and the load keep constant during the excavation process ; ( 2 ) under the condition without unconsolidated confined aquifer, the load on the bedrock will be reduced sharply during the excavation
研究結果表明:鬆散承壓含水層條件下,由於承壓水的流動性和補給作用,上覆表土層的載荷通過鬆散承壓含水層均勻地作用於下部基巖上,開挖過程中基巖頂界面上的載荷基本保持恆定,鬆散承壓含水層起到均勻傳遞載荷的作用;無鬆散承壓含水層時,作用在基巖頂界面上的表土層載荷隨煤層開挖而顯著降低。This thesis mainly focuses on ordivician carbonate strata in northern dagang oilfield, including stratagraphic correlation, every formation ' s lithofaces - paleographical distribution, carbonate diagenesis, reservoir characteristics and its affecting factors, paying close attention to qianmiqiao buried hill. the main results have been achieved as following : 1. on the basis of many dividing schemes of ordivician strata that have been established since the liberation of nation, we determined another scheme of the studying area : ordivician is divided into three series : lower, middle and upper
主要成果表現在以下幾個方面: 1 、在綜合分析建國以來眾多研究學者對研究區奧陶系地層劃分結果的基礎上,提出了筆者的劃分方案,即將奧陶系三分:下奧陶統為冶里組和亮甲山組,中奧陶統分為下馬家溝組、上馬家溝組和峰峰組,上奧陶統缺失,並對各組的巖電特徵進行了詳細論述。2 ) fourier amplitude spectrum analysis : ( 1 ) the fourier amplitude spectra decrease with the increment of depth ; and the components of fourier spectrum become complex in near - surface. ( 2 ) the fourier amplitude decrease faster in shallow soil level, and smaller in deep soil level. ( 3 ) compared with the deepest bedrock fourier spectrum, spectral components of higher than 5 hz decrease with depth decrease
2 .地震動傅立葉振幅譜沿深度的變化規律( d隨著深度的增大,傅氏譜振幅逐漸減小;越接近地表傅氏譜的頻譜成份越多,形狀越復雜;傅氏譜振幅值在淺層沿深度的下降梯度較大,在深層下降較小; 「土層/基巖」場地的基巖內_匕下兩測點的地震動頻譜沿深度幾乎不變,傅氏譜十分相似; d基巖以上的土層測點,高於shz的高頻成分減少。In this part, pga, pgv and pgd are studied, the main results are as follows : 1 ) in general, pga decrease with depth and can reach maximum at surface ; the pga ratio with depth of downhole / surface is affected by magnitude and ground pga value, the bigger the magnitude and pga value, the smaller the pga decrement with depth ; the decrement with depth is much more significant in near - surface than that in deep downhole
加速度峰值沿深度的變化與地震的大小和場地條件有關。對于土層場地,一般說來,隨著震級和地表pga的增大,加速度峰值沿深度的下降梯度減小。對于「土層基巖」型場地,基巖面處的水平分量約是地表的1 3 . 7 ,豎向分量約是地表的1 3 . 2 。Second, the influence of angle was analyzed in the stresses analysis in the rock mass around the excavation. the stress field around pressure tunnels using the coupled seepage - stress model to evaluate, and the stability of the slope with impermeable surface is analyzed
在滲流場和應力場耦合的基礎上對傾斜地表下壓力隧洞圍巖應力場特性進行分析;並對穩態滲流場下圍巖應力場以及上覆層穩定性進行詳細分析。分享友人