mass of foundation 中文意思是什麼

mass of foundation 解釋
基礎質量
  • mass : n 彌撒;彌撒的儀式[禱告、音樂];彌撒曲。 a high [solemn] Mass (有燒香、奏樂等的)大彌撒。 a low ...
  • of : OF =Old French 古法語。
  • foundation : n 1 建設,創設,創立。2 基礎,根本;根據;地基,地腳。3 基金;捐款;用捐款創辦的事業;慈善機關;...
  1. After long - term synthetic action of these factors, the complicated rock mass in the right dam foundation come into being. the adjoining rock engineering geological classification of water - conservancy and hydraulic - power project reconnaissance code ( gb50287 - 99 ), geomechanic system ( bieniawski, 1973 ), rock mass quality index z ( xiaowang, 1995 ), artificial neural network and field classification were used in the rock mass quality classification

    本文採用水利水電工程地質勘察規范( gb50287 - 99 )的圍巖工程地質分類、巖體rmr分類( bieniawski , 1973 ) 、巖體質量指數z分級(小灣, 1995 )以及人工神經網路分類,對壩區巖體按其基本指標作出定量化評分、分級。
  2. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  3. Stability of rock slopes is generally controlled by the structure of rock masses, especially the soft structure surfaces. analysis of rock mass structures is a key to establish geological models and numerical simulation and a foundation to assess the stability of rock slopes. the weak structure surfaces are mainly bedding planes, faults, joints, schistosity plane and contact zones of intrusive bodies. since they are different in genesis and scale, the rock masses are different in features and mechanical intensities. based on the combination of rock structure bodies, 15 basic modes of deformation and failure of rock slope are systematically summarized. the deformation and failure of rock masses actually result from the recombination and rearrangement of these rock bodies. there are 11 types of rock mass structures and various deformation and failure of bank slopes are present in the reservoir area of the three gorge project

    巖體結構,特別是軟弱結構面對基巖斜坡變形與破壞具有顯著的控製作用,巖體結構模式分析是建立斜坡地質模型和數學模型的關鍵和評價斜坡穩定性的基礎。巖層層面斷裂構造節理裂隙片理與劈理以及侵入體和圍巖的接觸帶等是控制基巖斜坡穩定的軟弱結構面,這些成因不同大小不一的結構面將巖體分割成性質各異力學強度不均的各種巖體結構體,構成了15種基巖斜坡變形破壞的巖體結構基本模式。不同結構體的重新組合與排列是斜坡失穩的內在原因。
  4. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition , although there exists soil - structure interaction , the foundation soil vibration is dominant in other words , analysis of earthquake response of the soil is essential to this end , simplified models , ( i. e equivalent mass system models based on some equivalence criteria ) are proposed , instead of a general 3 - d continuum model in this study , equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下,結構與土相互作用,但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理,簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法,推導等效方程,通過幾種簡化體系的分析比較,論證單質點串體系的合理性,並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析,為抗震設計提供依據
  5. The mechanical genesis of the complicated rock mass is because several times of tectonism in pro - period made the structure of rock mass in the right dam foundation damaged seriously and rock mass alteration made its mechanical character more anisotropy. after that the fractures in the right dam foundation slope were stretched at the beginning of the quaternary period because in the period yakouhoushan mountain quaquaversal dome was blowups quickly. at the same time, the valley trenching of lancang river reach to 800 - 1000 meter in altitude at the right bank in nuozadu dam site

    導致右岸巖體復雜化的成因是,右岸巖體在早期遭受了多期構造作用和巖體蝕變的基礎上,第四紀早期丫口後山穹隆的快速隆起與當時河谷下切至800m 1000m高程這一特殊因素組合引起了右岸巖體沿原有的斷裂(裂隙)張開,使地下水等風化營力能夠到達坡體較深部位,經過長期的風化卸荷作用,形成了右岸復雜巖體。
  6. By the check - out, inspection and measurement to start construction the industrial art to this test pile with the examination between stake body mass and bearing power, made sure the stroke reasonable operation method drilling under the dissolved cavern geology term ; the pier foundation loading test expressed the lading and rub the lading that resistance drag a glazing for of relation, and to the borehole cast - in - place concrete pile in the karst terrain deliver with break the mechanism, the characteristic of bearing power, proceeding the spot test job of the full of result ; the test data expresses the stake side friction resistance to rises with a bat batch terminal friction resistance very important function, the of tip of pile resistance drag occupies the proportion very few

    通過對本次試樁施工工藝的檢測和樁身質量及承載力的檢驗,確定了沖擊鉆在溶洞地質條件下的合理使用方法;基樁承載實驗表明了荷載與摩擦阻力之間的關系,並對巖溶地區的嵌巖灌注樁的荷載傳遞和破壞機理、承載力特性,進行了富有成果的現場測試工作;試驗數據表明樁側摩阻和支盤端阻起很重要的作用,樁端阻力所佔比例甚少。這與設計樁基時的計算模式相差很大,承載力也較設計增加;使用力學數值分析方法和有限單元法,對鉆孔灌注樁樁端下的巖體強度和結構穩定性方面進行模擬計算和定量研究。
  7. 3d numerical simulation of impact of key fault and fault enhancement on foundation rock mass of guangzhao high gravity dam

    光照重力壩壩基斷層影響及處理的三維數值模擬
  8. Discussion on regularity for temperature variation of mass concrete of foundation bed platform of nuclear island

    核島廠房底板大體積混凝土溫度變化規律探討
  9. In this paper, the first, based on the mechanism of concrete crack, the cause, main factors, and measures are analyzed. the second, temperature field of mass concrete is theoretically studied. the results simulated from fem software ansys indicates that interaction between concrete and soil should be considered enough when mass concrete temperature field of foundation in high - rise building is calculated

    第二,對大體積混凝土的溫度場進行了理論研究,運用大型有限元軟體ansys模擬的結果表明在計算高層建築基礎大體積混凝土的溫度場時要充分考慮混凝土與土壤之間的相互作用,並確定了高層建築基礎大體積混凝土溫度場計算時的水化系數的取值范圍。
  10. And the choice range of hydration coefficient is determined on calculating mass concrete of foundation in high - rise building. at last, combining the test data with the ansys result, some measures about crack - control in construction are summarized. it can be referred to the study on mass concrete of foundation in high - rise building for interaction between concrete temperature field and soil temperature field considered, choice range of hydration coefficient determined, and measures about crack - control in construction summarized in this paper

    最後,結合現場監測的數據和ansys計算的理論值,對高層建築基礎大體積混凝土的溫度裂縫的控制提出了有效的控制措施本文提出考慮混凝土與土壤相互作用的溫度場,確定的高層建築基礎大體積混凝土溫度場計算時的水化系數的取值范圍以及建議的現場溫度裂縫的控制措施,對今後建築工程大體積混凝土的研究具有一定的參考價值。
  11. By simulating the excavation course of foundation pits and starting with the change of stress field, the regularities of remanent strength and static earth pressure of viscous soil mass under excavated plane are analyzed so that the influence depth due to soil mass excavation unloading may be determined

    摘要模擬基坑開挖過程,由應力場變化方面入手分析開挖面以下粘性土體殘余強度和靜止土壓力的規律性,以期確定土體開挖卸荷的影響深度。
  12. In order to reduce the equation complexity and adapt to complicaied noniinear ana1ysis of high arch dams with joints, finite element treatments are used with incompressibie water and massless foundation. the added mass of water and added stiffness of foundation are respectively used to substitute the influence of water and foundations. the efficiency in the computations is improved by means of static condensation

    為適應有橫縫高拱壩非線性分析的復雜性,採用不可壓縮水體和無質量地基假定進行有限元處理,以水體附加質量和地基附加剛度近似代替水體和地基的影響,通過靜凝聚提高計算效率。
  13. ( 3 ) fem basic theory of foundation pit excavation stimulation is expounded, numerical model and method of construction simulation are determinated, which includes simplification of two - dimension problem and constitutive model of soil mass i. e. constitutive model of duncan - chang hyperbola model, numerical ways of initial situ stress, stimulation of equal nodal load of foundation pit excavation, nonlinear solutions of basic equations, fem disposing of inner supporting and pre - axial force etc. further fem code of stimulation of foundation pit excavation is compiled

    闡述了基坑開挖模擬的有限元基本理論,確定計算模型及施工模擬方法。包括二維問題的簡化、土體的本構模型,即鄧肯-張雙曲線本構模型、初始地應力場的計算方法、基坑開挖等效結點荷載模擬、基本方程的非線性解法、內支撐及預加軸力的有限元處理等,並編制了模擬基坑開挖的有限元程序。
  14. Analyzing and researching in the results of the plate ’ s deflection and bending mo - ment from calculating a mass of examples by the program. the laws of interactions of plates and foundation with arbitrary boundary are summarized. namely, discuss the influence of the thickness of plates h, foundation ’ s parameters k, t, the load q and other factors on the deflec - tion and bending moment of the moderate - thick plates on two - parameter elastic foundation

    利用該程序計算大量的算例,對所得撓度和彎矩的結果進行了分析與研究,並總結了各種邊界條件下中厚板與地基相互作用的規律,即探討了板的厚度h ,地基參數k 、 t以及荷載q等不同因素對于雙參數地基上的中厚板撓度及內力的影響。
  15. This article incorporates with the practice for construction of mass concrete foundation structure of handan big world department store, according to the features in foundation structure design and the conditions of winter construction in this region, introduces micro - expansion concrete mix proportion design, pouring technology for mass concrete structure, the solution of the strengthen joint - strip and post - pouring joint strip in concrete foundation work, and temperature control for mass concrete

    結合大世界商城底板大體積混凝土的施工實例,針對基礎結構的設計特點和當地冬季施工的氣候條件,介紹了補償性混凝土配合比設計、大體積混凝土澆築工藝、基礎混凝土加強帶和后澆帶施工工藝、底板混凝土溫度控制和自動化監測等多項綜合性技術。
  16. Composite foundation is a method of foundation treatment was used widespeead nowadays. it means in the process of foundation treatment a part of natrual foundation was strengthed, or repalced, or palced reinforced materials. the consolidate area is artificial foundation that include original mass ( natrual ground soil or improved ground soil ) and strengthed mass

    復合地基是目前應用較為普遍的一種地基處理方法,它是指天然地基在地基處理的過程中部分土體得到增強,或被置換,或在天然地基中設置加筋材料,加固區是由基體(天然地基土體或被改良的天然地基土體)和增強體兩部分組成的人工地基。
  17. Dynamic compaction is a kind of foundation treatments, which can improve the bearing capacity and compactness of soil mass

    強夯加固是填土地基的一種地基處理手段,是使地基土體密實、承載力提高的一種地基加固方法。
  18. With synthesizing the relevant other internal and external researchers " the achievements of theory and the results of experiment, the follow work have been done in this project : revising the formulas of ground stiffness coefficient and the mass of vibrating soil and the dynamic affecting degree of depth, which apply the theory of elastic half - space and the knowledge of the soil mechanics and consider the influence of the soil characteristic and inertial action, the interaction between foundation and ground, the diverse load ; making the model of ground and foundation system calculating natural frequency by using the big - scale software supersap which is for special purposes of finite element analysis ; according to the experiment analysis, correcting and adjusting the finite element model in order to have it accord with the fact and meet the engineering demands ; doing the vibrating experiment for testing the results of the theoretical analysis and the finite element calculation ; summing up some regulars of the ground stiffness

    本文綜合參考了國內外其他學者的理論成果和實驗結果,進行了如下研究工作:運用彈性半空間理論和土力學的知識,考慮土體特性和慣性作用、基礎與地基的相互作用以及不同荷載形式等因素的影響,對動力機器基礎進行了嚴密地理論分析,修正了地基剛度、參振土質量和動力影響深度的計算公式;利用專門用於有限元計算的大型分析軟體supersap對地基基礎體系進行了建模計算,根據實驗分析,對有限元模型不斷地進行修正和調整,使其更加符合實際情況,滿足要求;通過振動實驗對理論分析和有限元計算結果進行了驗證;總結出了一些地基剛度的變化規律。
  19. Development of information transmission technology lays important foundation of pacs technology. high speed and cheap wide band web make it possible to transmit a mass of medical image in long distance

    隨著信息傳輸技術的不斷發展,院間pacs系統的建立具備了良好的物質基礎,相對高速和廉價的寬帶網技術使醫學圖象海量數據的遠距離傳輸成為可能。
  20. Aiming at the underwater vehicle in fluid because of problem that fluid and solid coupling produced added mass, in using advanced hydrodynamics to proceed to the added mass the foundation that described, and using modal parameter design theories, the paper put forward according to modal parameter test data identified the method that added mass of the underwater vehicle

    摘要針對水下航行器在流體中由於流固耦合所產生的附加質量問題,在用高等流體力學對附加質量進行描述的基礎上,利用模態參數識別理論,提出了根據實測模態參數來識別水下航行器附加質量的方法。
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