巖石彈性 的英文怎麼說
中文拼音 [yándàndànxìng]
巖石彈性
英文
elastic of rock-
In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後，對巖土工程領域至今尚未解決，甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討，提出了考慮地基變形的地基承載力上程計算方法；對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎（空間問題）的承載力界限荷載p _ （ 1 / 4 ） ，並與國內外土力學專著及地基基礎設計規范中的條形基礎（平面問題）的界限荷載p _ （ 1 / 4 ） ，進行了對比，從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況；根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作，本文以截頭錐模型模擬地基，對地基（巖基）承載力的動測法進行了研究，為各類地基（包括巖基） ，匯總了動力分析和檢測川的參數：針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題，從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論；本文作者根據多年現場載荷試驗的工程實踐，對深井荷試驗裝置的核心部分? ?反力裝置，設計了側壁支撐反力加載系統，該加載系統具有實用、簡便、穩定及安個等優點。Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method
其主要功能是：當車輛滾翻時， rops能刺入未凍土壤而阻止車輛的進一步滾翻，降低滾翻的車輛對系著安全帶司機軋傷的可能性；保證rops在碰撞和沖擊變形不大的地面（如凍土、混疑土上、巖石）時，能具有相當大的抗連續沖擊能力；當車輛已經處于顛覆狀態時，已經變形的rops應能支撐住整車。落物保護裝置（簡稱fops ） ，其構件的布置方式要能遮蔽墜落的物體（如，樹木、巖石等） ，以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標準的制定，對大型推土機傾翻和落物保護裝置進行研究，在理論分析的基礎上，通過建立rops fops的力學分析模型，推導彈性、彈塑性階段rops fops變形的計算公式，建立一套可行的rops fops的非線性有限元分析計算方法。Nonlinear elastic hysteric characteristics of rocks
巖石的非線性彈性滯后特徵Based on the regional structure dynamics analysis of the lithosphere imbricate structure in lanping - weixi area, the middle section of three - rivers area ( n26 - 28 ), the bouguer gravity anomaly of deep structures was completed and the fractal of these faults was calculated. the geology structure model and the elasticoplastic three - dimension finite - element mathematic are described, made and calculated ; and physical simulation was accomplished
針對三江中段n26 - 28蘭坪-維西地區的巖石圈正交疊加構造的區域構造動力學分析，進行了深部構造的布格重力異常延拓處理和淺部的斷層分維計算，描述、製作計算了地質結構模型、彈塑性三維有限元數學模型和物理模擬。First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given
首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試，得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律，並得到了200下北山花崗巖蠕變全過程曲線。In numerical simulation, the elastic zone is only considered and the effect of blasting waves on the rock medium, after attenuating through crushing zone and ruptured zone, becomes an input load
數值模擬僅考慮彈性區域，爆炸波對巖石介質的作用經粉碎區、破裂區衰減后成為輸入荷載。The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus
地震波速法檢測路基擋墻強度，研究的主要內容有：片石巖性和強度及塊體形體對波速的影響；水泥砂漿強度對墻體波速的影響；擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映，在室內外模型試驗和現場生產試驗的基礎上，提出了一種正確的無損檢測法，可以正確判別漿砂片石擋墻墻身的完整性。With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is
分析得出，隨著側壓力系數的增大，主應力量值減小，主應力方位難改變；隨著與斷層走向的夾角增大，主應力量值增大，應力方向難改變：隨著巖石的彈性模量的增大，主應力量值增大，方向變化越大；隨著泊松比的增大，主應力量值減小，方位變化越大。隨著側壓力系數的增大，頂、底拱處的各應力值增大，拱腰處的主應力減小，剪應力增大，側拱處的各主應力減小，同一側壓力系數的條件下圍巖質量越差，各應力值也越小；隨著洞室埋深的增加，圍巖壓力也增大，圍巖質量越差，其應力值也減小。( 7 ) basing on defining damage variable with flaws in rock, this paper uses linear viscoelasticity fracture mechanics to set up a damage reep model and analyses the model
（ 7 ）在用巖石中大小、方位和位置均為隨機分佈的裂紋定義損傷變量基礎上，利用線粘彈性斷裂力學原理對考慮裂紋內水壓的巖石的損傷蠕變問題進行了建模和分析。Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt
通過本文的研究成果，根據區域性地貌的演化特徵，我們可以大致地對現今地應力場進行判斷：在分級卸荷條件下，巖體中彈性變形的恢復具有明顯的規律性，這種規律對于研究地應力場的演變是有幫助的；地應力場中最大主應力方向與區域構造形跡在最近的構造運動中所受區域性擠壓應力的方向無明顯的對應性；區域性地貌形態的演化程度對現今地應力場的特徵具明顯的影響，隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的變化，現今地應力場特徵由自重應力場、水平應力場為主含少量自重應力場特徵向水平應力場的規律變化；在峽谷區，山體中具有兩個應力帶：自重應力帶和卸荷應力帶，最大主應力方向在卸荷應力帶中近平行於坡面並傾向于河谷、在自重應力帶中近於直立；根據原始地面遭剝蝕的程度，可以大致地估算最大主應力和中間主應力的量值和方向；在丘陵區和平原區，最大主應力的方向近於水平，並與附近區域性侵蝕盆地和河流的展布方向基本平行，根據原始地面遭剝蝕的程度，可以大致估算其最大主應力的量值；根據區域性地貌形態的特徵來分析工程區的現今地應力場特徵，並進而大致了解巖石的應力環境，這種分析方法得出的結論與許多實際的地應力測試成果基本一致，對于大型水電工程地下廠房和壓力隧洞的設計是有所幫助的。( 3 ) p and s wave velocity and dynamic & static modul of sand rock in huanhua basin are the first time measured using " mts rock physical parameter testing system under formation condition " of " state key laboratory of oil and gas reservoir geology and exploitation ". at the same time, relationship between seismic response and oil & gas is discussed and summarized
（ 3 ）利用「油氣藏地質與開發工程」國家重點實驗室mts巖石物性測試系統，首次對黃驊坳陷砂巖進行了高溫高壓下的縱、橫波速度及動彈模量的測定，對黃驊坳陷砂巖的地震響應與油氣關系進行了分析和總結。Research shows : change of temperature & pressure of sand rock results in prominent change of seismic p and s wave velocity and dynamic & static modul and seismic attenuation of sand rock. change of pore liquid character and saturation results in change of seismic p and s wave velocity and attenuation of sand rock
研究表明：巖石所處的溫度壓力條件的變化將導致縱橫波速度、動彈參數和衰減的顯著變化：孔隙流體性質（含水或油、氣）及飽和度的變化將引起縱、橫波速度、衰減的明顯變化。( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o
本文研究結果為弱卸荷與弱風化大致對應、強卸荷與強風化大致對應； （ 6 ）巖體是由組成它的巖石與缺陷賦存於一定環境場中的地質體，據此本文將巖體風化細劃為巖石風化與結構面風化，並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應用於工程實踐，這就是：對于巖石風化，主要為礦物的變異程度與風化巖石的物理力學性能研究：雖已認識到風化作用破壞了巖體完整性，但將該理論應用於巖體風化分帶卻不多見，本文即從淺表部位硬性結構面間距、條數、跡長、塊度等隨遠離臨空面的變化規律來研究巖體風化分帶：不同風化、卸荷程度的巖體實際處于不同環境場中，彈性波速變化與特定環境場相對應，因而是反映巖體風化、卸荷的綜合因素。The near crack line analysis method is used to investigate an eccentric crack loaded by shear forces in a finite plate, and the analytical solution are obtained
摘要利用裂紋線場方法對巖石材料偏心裂紋板受剪應力作用時進行了彈塑性分析，並且獲得了理論解。The effects of different geometric interfaces on waves propagation in anisotropic rocks were simulated. three structures, including the corner structure, the straight structure and the multi - stripe structure, were discussed
模擬了位於各向同性巖石中的爆炸點源產生的彈性波在具有規則幾何界面的巖石（角結構、平直界面結構以及多條紋結構）中的傳播。Abstract : the comprehensive fem analysis for the shimen arch dam and its abutment is carried out as an example to demonstrate the proposed method utilizing the monitoring data for calculation. based on teh back analysis of permeability coefficient and tensile strength of the seam between dam and foundation, the 3 | d seepage flow and elastoplastic fem analysis of arch dam and its abutment are conducted. the safety factor against sliding of arch dam is determined using some different methods to verify the stability of the dam
文摘:本文以石門拱壩為例，說明基於原觀資料進行拱壩及其基礎的綜合分析的方法.內容包括：在反演擬合滲透系數和壩與基巖接觸面的抗拉強度參數的基礎上，進行壩址區三維滲流場分析、拱壩與基礎的三維線彈性、彈塑性力學分析，並用多種方法探求了拱壩抗滑穩定安全系數The poroelastic modulus could describe pore effect on elastic behavior of porous media such as rocks. from this, gassmann equation which was widely used in seismic exploration and petroleum logging was deduced. this equation was based on linear elasticity assumption and could be used only within low frequency
孔隙彈性模量描述了孔隙對巖石等多孔材料的彈性性質的影響，利用其可導出在地震勘探和石油測井界應用很廣的gassamann ，該方程建立在線性彈性假設之上並僅限於低頻范圍。The method was proposed to compute the rock modulus when one kind of pore fluid changed to another, and to identify the pore fluids by the use of poroelastic modulus
提出孔隙流體變化時巖石有效模量的計算，及利用孔隙彈性模量辨別儲層中不同流體類型的計算方法。The effects of heterogeneous anisotropic random fractured rocks with different autocorrelation length and different autocorrelation function were discussed. the results show that : l ) the scattering effects become weaker when the autocorrelation length becomes larger. 2 ) the exponential ellipsoidal random fractured rock has different scattering effects on waves in different coordinates direction, and 3 ). the gaussian random fractured rocks has the same
通過模擬發現: 1 ）隨著自相關長度的增加，巖石的非均勻性對波的散射作用減弱; 2 ）指數橢圓型隨機裂縫巖石對彈性波在兩個坐標方向上造成的散射不同; 3 ） gaussian型隨機裂縫巖石對彈性波在兩個坐標方向上有相同散射作用。Abstract : the influence of geology, geostress, rock strength and construction method on surrounding rockmass deformation was analysed in this paper. the sensitivity of deformation to horizontal geostress and rockmass elastic modulus was analysed through numerical modeling and sensitisity factor was obtained. this study has important significance to how to select rockmass mechanical parameter
文摘:從地質、地應力、巖石強度及工程施工方法等幾方面分析對川藏公路二郎山隧道圍巖變形位移的影響，通過數值模擬分析水平地應力和巖體彈性模量對洞壁變形位移的敏感性，並求出敏感度因子，這項研究對巖體力學參數的選取具有重要意義。分享友人