rock strength 中文意思是什麼

rock strength 解釋
巖石強度
  • rock : n 1 巖，巖石，磐石，巖壁；卵石；〈常 pl 〉〈美口〉石子兒；暗礁，巖礁。2 〈the R 〉直布羅陀 （Gibr...
  • strength : n. 1. 力，力量，體力。2. 強度，濃度；長處；（要塞等的）抵抗力。3. 實力；兵力；全體人數，額定人數，編制。4. 筆力；文勢。5. （證券等的）市價堅挺。6. 〈美俚〉（可能有的）利潤。
  1. 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。
  2. Rock - determination of the uniaxial compressive strength

    巖石.單軸壓縮強度測定
  3. Welded drill rod and bit for low - compressive strength rock

    焊接結構軟巖鉆桿與鉆頭
  4. Rock - determination of the triaxial compressive strength

    石料.三坐標抗壓強度測定
  5. Formation causal analysis and foundation strength discussion on dissoluble soft intercalation in rock foundation of a project

    某工程巖石地基中溶蝕軟弱夾層形成原因分析及地基強度探討
  6. Basing on this, the paper researches the mechanism of floor heave, and analyzes the effects of gravity stress, tectonic stress, the strength of surrounding rock, terrestrial heat and imbibition water on floor heave

    在此基礎上，研究深部開采條件下巷道底鼓發生的機理，並對自重應力、構造應力、圍巖強度、地溫、水對底鼓的影響進行了分析。
  7. The thesis analyzes the effect of the increase of mining depth on the floor heave, discusses the laws that gravity stress, tectonic stress, the strength of surrounding rock, terrestrial heat and imbibition water change with the increase of mining depth

    分析了采深對巷道底鼓的影響，以及自重應力、構造應力、圍巖強度、地溫、水隨開采深度變化的規律。
  8. Standard test method for performing laboratory direct shear strength tests of rock specimens under constant normal force

    在恆定的常規應力下進行巖石樣品的實驗室直接剪切強度試驗的標準試驗方法
  9. Experiment study on short - term strength and deformation properties of rock salts

    鹽巖短期強度和變形特性試驗研究
  10. The shearing strength at the foundation, where the concrete is placed on a smooth rock surface, may be lessened.

    當混凝土澆築在平滑的巖石表面時，地基上的剪切強度可能會減少。
  11. Testing of direct shear strength for rock and soil

    巖土室內直接剪切強度的測定
  12. Testing of shear strength for rock mass in situ

    巖體原位抗剪強度的測定
  13. Based on the characteristic of rock strength, an expression of happening probability of influencing structural earthquake was derived

    摘要依據巖石強度的分形特性，導出了影響構造地震發生概率的表達式。
  14. According to the geological conditions of baise project, erosive bands and joint fissures, f6 fault and grout curtain are fully simulated to establish 3d numerical model of the dam and its foundation. 3d non - linear fem is used to analyze the stress and strain and to appraise the operation state of both the dam and it ' s foundation under different operation conditions. by overloading the upstream water level and reducing rock strength parameter, the dam foundation ' s degradation process is simulated and the damage pattern and paths are determined, and finally the safety factor is determined

    2 、根據百色的地形地質條件，充分模擬了蝕變帶、節理裂隙、 f6斷層、灌漿帷幕等，較為真實地建立了壩體與地基相互作用的整體三維數值模型；採用有限元法對壩體及壩基在不同工況下的應力應變狀態開展分析，評價各工況下壩基的運行狀態；而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑，最終確定壩基超載安全系數和綜合安全系數。
  15. This differ with computation modal that design the foundation pier very big, bearing power too than design increment ; usage mechanics numerical analysis device with limited a logarithm of timw fitting method logt, noted the rock strength in stake tip of the borehole cast - in - place concrete pile to proceed with the structure steadiness the simulation compute to study with the fixed amount, designing for the engineering to start construction to provide for science with the spot

    本研究結合現場試驗、力學數值分析和有限單元分析，對巖溶地段鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層頂板厚度及嵌巖深度等方面作一些探討性研究，為該工程的設計和施工積累經驗，並為該類課題的進一步研究奠定了基礎。
  16. The working stress state and the stability of typical blocks of baise rcc gravity dam are computed and studied based on the 3d non - linear finite element method ( fem ) and rigid body - spring element method ( rbsm ). the analysis of failure process, failure mode, failure mechanism of the dam are studied with overload method and combined method in which rock strength parameters are decreased while water load is overloaded to a certain degree. in this paper, the following works are done

    本文充分發揮有限單元法和剛體彈簧元法的優點，對百色rcc重力壩典型壩段（ 9b 、 4b ）地基穩定安全性進行數值分析和計算，從超載法、綜合法等不同角度，對壩基穩定性開展研究，分析壩體和壩基破壞過程、破壞形態和破壞機理，確定壩基可能的滑動路徑和滑移模式，評價工程的穩定安全性。
  17. Firstly, the displacement, stress, strain fields and the working state of dam body and foundation are evaluated by fem. by overloading the upstream water level and reducing rock strength parameters, the failure process of dam foundation is simulated and the failure mode and paths are determined. the results show that when overload method is used, damaged area develops from up - stream to down stream with failure front stays near the interface between dam body and bedrock

    首先採用非線性有限單元法對壩體及壩基在不同荷載工況下的變位、應力應變狀態展開分析，評價各工況下壩基的運行狀態，而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，追蹤巖體破壞狀態的發展演變過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑。
  18. Law of rock strength weakening around roadway and its application

    巷道圍巖強度弱化規律及其應用
  19. Protodyakonov coefficient of rock strength

    普氏巖石強度指數
  20. 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。
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