預應力巖石 的英文怎麼說
中文拼音 [yùyīnglìyándàn]
預應力巖石
英文
prestressed rock- 預 : Ⅰ副詞(預先; 事先) in advance; beforehand Ⅱ動詞(參與) take part in
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 巖 : 名詞1. (巖石) rock 2. (巖峰) cliff; crag
- 石 : 石量詞(容量單位, 十斗為一石) dan, a unit of dry measure for grain (= l00 sheng)
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Internal force calculating method of prestressed - cable beam - on - foundation for high rock slope
巖石高邊坡預應力錨索地梁的一種內力計算方法Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads
關于預制裂紋系對巖石破裂的影響,集中討論了:空障礙體構造不能阻止主裂紋的擴展,反而會使巖石的破裂強度降低近一個量級;由於構造的不同,非穿透切口樣品和穿透切口樣品的聲發射空間分佈特點有本質區別,穿透切口樣品的微破裂在切口兩端發育,而非穿透切口樣品的微破裂在切口兩端之間切口前緣處發育,這用三維破裂理論可以很好地解釋;含共線構造的巖石,裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似,裂紋內端聲發射有密集分佈,在應力達到一定水平時,內端部發生錯斷,而不是貫通。The supporting mechanism of pre - stress anchor is given in following sentences in this paragraph : make full use of sectional stability, put - up steel - net shot concrete to the stratified earth as the trench is being excavated, and by this means, the little liding of soil layers and small broken slumps of rock slopes can be avoided
預應力錨板的支護機理:充分利用巖土層自身或預處理的局部的穩定性,隨基坑開挖分層掛鋼筋網噴射砼,以避免土層幫片及巖石邊坡小的節理破碎滑塌,並把土壓力傳給錨板,由錨桿集中受力,通過錨桿的錨固力平衡土壓力。It is applied to drill heavy duty pretension anchor holes at side slope of water power station, railway or highway projects, to drill drainage holes and grouting pile holes on roof of tunnel gallery
適用於水電站鐵路公路邊坡大噸位預應力錨固孔排水孔隧道口管棚孔的施工,以及預防滑坡巖石坍塌等地質災害治理工程。The integrated identification of fractures with the bpo interpretation of logs and the 3d seismic fracture interpretation technology were used to predict the development and distribution rules of fractures in ve rtical and plane directions of mesozoic reservoirs of baigezhuang region. the plane distribution of the stress fields of different major oil reservoirs determined with finite element numerical simulation provides a theoretical foundation for the research of the plane distribution of the fracture. thus, the quantitative prediction of the tectonic fractures is possible
本文應用測井參數的bp神經網路裂縫綜合識別方法、三維地震裂縫檢測技術,預測了柏各莊地區中生界儲層平面或縱向上裂縫的發育分佈及規律;並用有限元法數值模擬技術展示出不同主力油層的平面古應力狀態,為研究裂縫的平面分佈規律提供了理論依據;在此基礎上,依據巖石破裂準則進行了構造裂縫定量預測。Associated with a practical example of pipeline crossing with directional drilling technique in yizheng - changling crude oil pipeline, this paper analyzes the characteristics of crossing through rocky stratum with directional drilling, deliberates the stratum status, drilling machine selection, drilling tool assembly, direction control, mud control ; drilling process as well as emergency dealing scenarios at the stages of guiding - hole drilling, aperture expanding and back - towing
摘要結合儀征長嶺原油管道洪湖長江定向鉆穿越工程實例,分析了管道定向鉆穿越長距離巖石層的特點,論述了定向鉆穿越巖石層的地層狀況、鉆具組合、控向措施、泥漿控制、鉆進工藝以及導向孔鉆進、擴孔、回拖階段的應急預案,針對在鉆導向孔過程中因泥漿壓力高、信號線多次出現被高壓泥漿沖壞、造成控向信號不穩定甚至中斷的情況,對信號線的安裝提出了改進措施。This thesis integrates the borehole collapse model with the artificial fracture and imaging well logging to get the size and direction of in - situ stress, and set up the reasonable prediction model of fracture pressure and breakout pressure for carbonate profile, by making use of the rock mechanics parameters from logging information, based on comparing the present various prediction models
本文在此綜合應用井眼崩落法、人工壓裂法和成像測井法以確定地應力的大小和方向,並在分析比較國內外各種地層破裂壓力和坍塌壓力預測模型優缺點的基礎之上,從測井資料中提取多種巖石力學參數,建立了適合於碳酸鹽巖地層的破裂壓力和坍塌壓力預測模型。It is used to drill heavy duty pretension anchor holes at side slope of water power station, railway or highway projects, as well as drainage holes
適用於水電站鐵路公路邊坡大噸位預應力錨固孔排水孔的施工,以及預防滑坡巖石坍塌等地質災害治理工程。Referring the universal methods of rockburst study used home and abroad and taking the actual situations of the project into account, we take the primary terrestrial stress and uniaxial compressive strength as the quantitative evaluation indexes for the prediction and evaluation of rock burst
借鑒目前國內外巖爆判別的主要方法,並依據擬建工程場地實際情況,選用巖體初始應力及巖石單軸抗壓強度作為定量評估指標,對巖爆災害進行預測評估。Because of the merit of continuity, economical efficiency, reliability and high resolution, the well logging has shown its advantages, especially in some drilling engineering problem, such as the prediction of rock drillability, selecting the drill bit types, prediction of formation pressure, calculation the in - situ stress, evaluating the borehole walls stability and determining the reasonable mud density, and etc. aiming at the engineering accidents, for example the well spout, well leak, well collapse and the drill blocking during the drill engineering in the t formation in north - east of sichuan, some farther studies of formation pressure in feixianguan from well - logging information are presented in this dissertation
尤其是在巖石可鉆性預測與鉆頭選型、地層壓力預報、地應力計算以及井壁穩定性評價、泥漿密度安全窗確定等鉆井工程問題上。測井技術由於連續性、經濟性、可靠性及解析度高等特點,越來越多地顯示了其優越性。本文針對川東北部三疊系地層在鉆井過程中遇到的井噴、井漏、井塌和卡鉆等工程事故,主要對飛仙關組地層壓力的測井解釋方法作了大量的深入研究工作。Principal compresso stress of mineralization epoch is measured 34 - 46ma by means of ae method, and its orientation is ew - trending by conjugate fracture, at last, the dynamic mechanics of the rhombic shear fault grid is analysised, ore - controlling law of the regional and ore - belt are determined, and combined with geophysical prospecting, ore - forming are forec ast
利用巖石聲發射測得成礦期主壓應力值為34 - 46mpa ,以共軛破裂求得主壓應力方位為近ew向,分析了本區菱形剪切斷裂網格控礦構造應力場的動力學機制。提出區域和礦帶的成礦控礦規律,結合物探進行了成礦預測。Based on the characteristic of the grotto rock reinforced by prestress anchor cable, taking three typical engineering sections in yulin grotto in anxi county gansu province, as examples, the simultating computation for the displacement field and stress field of the grotto rock under seismic load is done using dynamic finite element method, the change regularity and dynamical response of the grotto rock are concluded
摘要根據錨索加固石窟巖體的特點,以甘肅安西榆林石窟的三個典型的工程段為例,通過動力有限元的方法對地震荷載作用下預應力錨索加固石窟巖體的位移場、應力場的模擬計算,得出了其動態響應和變化規律。At first it analyzes the bedding rock slope ' s bedded rock and its incontinuity face, and studies the stress, strain, stability ' s condition of the bedding rock slope, fully considering the cohesive force of rock layer and incontinuity face. geologic mechanics models of two types of bedding rock slope are set up, the instability coefficient of bedding rock slope under different mechanical parameters is computed, and the conclusion that the stability of bedding rock slope is relation to rock layerer, cohesive force of incontinuity face, inner friction angle and rock layer obliquity has been gotten. based on the above discussion, the thesis comes down the influence of rock layer and the incontinuity face on the bedding rock slope to incontinuity face ' s influence factors, and discusses other factors that influence the bedding rock slope ' s stability, so gains the evaluating and forecasting index marks
本文首先對順層邊坡的層狀巖體及其中的層理面和不連續面進行了分析,對其應力應變進行了研究,得出了順層邊坡的穩定性不僅與巖體中巖石的強度有關,還與巖體中層理面及不連續面的內聚力、內摩擦角及其傾角有關;論文建立了層理面和節理面的地質力學模型,討論了其力學參數變化對邊坡穩定性的影響,並在此基礎上將層理面和節理面歸納為順層邊坡穩定性的結構面影響因素,同時討論了影響順層邊坡穩定性的其他因素,從而得出順層邊坡穩定性的評價預測指標。It is also used to prevent or solve geologic calamity, such as landslide and rock collapse etc. in addition, it is also used to drill small size water well and hige - pressure jet grouting hole
適用於水電站鐵路公路邊坡大噸位預應力錨固孔排水孔的施工,以及預防滑坡巖石坍塌等地質災害治理工程。也適用於小型水井的施工高壓旋噴引孔的施工。It also used to prevent or solve geologic calamity, such as landslide and rock collapse etc. in addition, it is also used to drill small size water well and high - pressure jet grouting hole
Yg - 80a鉆機適用於水電站工程鐵路公路邊坡大噸位預應力錨固孔排水孔的施工,以預防滑坡巖石崩塌等各類地質災害治理工程也適用於小型水井鉆高壓旋噴引孔的施工。The results show that the weak parts of grottoes often are nearby at the corners of grottoes and that to employ the anchoring steel - bars in the gaps does good to the safety of the whole structure of grottoes
計算結果表明地震作用下薄弱部位多數發生在石窟的角點附近,採用合理的預應力錨索加固技術可以有效提高石窟巖體的抗震安全性。The technology used in similar soil slopes is chiefly based on experience, especially some new - style measures of slope anchor such as prestressed anchor cable sash or beam, etc. by many field investigates, this thesis brings forward the concept of similar soil slopes and analyzes their different characters from common soil slopes
但目前,國內對錨固技術的研究大多集中於巖石邊坡,對類土質邊坡的錨固機理(尤其是一些新型錨固措施,如預應力錨索框架、地梁等,沒有成熟的計算模式)缺乏研究,其應用大多是基於經驗的。Abstract : based on the survey of joint and fissure, apply computer simulating technology, rock fracture mechanics and blasting theory to the simulation and forecast for the jointed structure distribution of original rackmass
文摘:應用計算機模擬技術和巖石斷裂力學及爆破理論,在巖體節理裂隙實測的基礎上,模擬預測了深部巖體節理裂隙的分佈狀態分享友人