載巖機 的英文怎麼說
中文拼音 [zǎiyánjī]
載巖機
英文
rock loader-
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。Testing method of loader for underground mining
地下礦用裝巖機和裝載機試驗方法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。Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。The dynamic force - displacement relation curve is of crucial important to the design and operation of mechanical impact devices. using one - dimensional wave mechanics and characteristic line theory, this paper presents a testing method for determination of dynamic force - displacement relation curve from one - point strain measurement on an elastic rod endface. the principle of measurement, data processing method and experimental results for penetration into granite are discussed. 4figs., 5refs
沖擊載荷下彈性桿端的作用力-位移關系曲線是沖擊機械繫統研究的重要內容.基於一維波動力學方程,應用特徵線方法,探討了已知一點應變求取彈性桿端的作用力-位移曲線的測試原理與數據處理方法,以及在花崗巖上沖擊鑿巖機具的測試結果,對一點應變測試法的可行性進行了論證.圖4 ,參5After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force
在綜合研究危巖上的各種作用之後,本文提出了危巖的形成和破壞機理:硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層,結構面的的存在是危巖形成的地質基礎;地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用;重力、水壓力、地震力是危巖崩塌的主要荷載。Based on the pre - research of reservior - induced seimicity, the text analyzed water ' s load effect, interstitial water pressure and chemicophysical effect on rock in reservior - induced seimicity and discussed hydrogeological mechanism of reservior - induced seimicity. the analysis supplys reliance for the hydrogeological analysis of reservior - induced seimicity. dagangshan power station is located in the intersected segment of daduhe break - zone moxi break - zone and longmenshan break - zone. the construct - actibity seimic activity and hot - water activity is stong from cenozoic ear
本文在總結水庫誘發地震前人研究成果的基礎上,系統分析了庫水在水庫誘發地震中的荷載效應,空隙水壓力效應和對巖體的物理化學作用,從理論上討論了水庫誘發地震的水文地質機理,為水庫誘發地震的水文地質分析提供依據。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型,對巖灘混流式水輪機的流場進行三維非定常湍流分析,得到了流場中各物理量的脈動特性,計算出ms的軸向水推力與模型試驗值大小相當;同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ
本文結合巖灘水電站廠房振動的試驗研究,採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬;提出一種水電站廠房下部結構簡諧振動模型,首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析,各項計算結果與實測數據吻合良好。The study of consolidation of layered saturated soils under variable loading is an important issue to geotechnical engineering. it is also of great value to the development of the elastodynamics and is very helpful to the analysis and design of foundations subjected to dynamic loads, such as vibrating machines and seismic waves. some aspects about this problem are studied in this dissertation
變荷載下成層地基的固結問題一直是巖土工程界不論在理論方面還是實際方面的重要課題,它不僅對于彈性動力學的發展有著重要的學術價值,而且對機器基礎及地震荷載作用下基礎的分析和設計具有重要的指導意義。Based on real time ct testing, primary testing study of fatigue failure and deformation mechanism of red sandstone has been completed under uniaxial compression condition
摘要基於對裂隙巖石的細觀ct試驗,對含有單一裂紋的貴溪紅砂巖在單軸疲勞荷載作用下的損傷擴展機理和演化過程進行了初步的試驗研究。A fuzzy - random value taking method for the index of rock point - load
巖石點荷載強度指標取值的模糊隨機方法At the moment, the basic theory of loading mechanics is always used to search the problem of rock mass failure, but unloading and loading have different stress road and different destruction effect, so there are much difference in destruction mechanics and deformation between unloading and loading mechanics, if loading mechanics is used to study the destruction property of tunnel excavation and its stability, the result which agree to real engineering cannot be obtained
目前一直沿用加載巖體力學方面的基本理論研究失穩問題,但本文認為:由於卸荷與連續加載具有完全不同的應力路徑和破壞效應,在破壞機理、二者引起的巖體的變形和破壞特性方面都有很大的不同,因此用加載力學來研究開挖卸荷破壞的力學特性及其穩定性,這顯然不能得出與實際工程一致的結果。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。This article aims at the characteristics of a baibie harbor great bridge, by the spot construction test and mechanicses, limited an analysis, dissolve to the construction technics and loading capacity, stake deliver mechanism, bearing stratum and glazing rock depth area curve etc. s of the borehole cast - in - place concrete pile in the karst terrain do the some study research
國內外對于巖溶地區鉆孔灌注樁的研究,主要是針對具體工程的施工方案描述和施工故障及處理措施,對巖溶地段基樁的承載機理及承載力的綜合研究則未見報道。本文針對白墅港大橋的特點,通過現場施工試驗及力學、有限元分析,對巖溶地區鉆孔灌注樁的施工工藝、荷載傳遞機理、持力層厚度及嵌巖深度等方面做一些探討性研究。In this paper, it is studied and analyzed characteristic of stress, distortion etc. of pipe liner structure combining dahuofang transport water tunnel practice project, tunnel boring machine construction, and it is considered that affects internal force of pipe liner for early stress of underground structure and digging load. in nonlinear finite element calculation model, folium cells have been simulated among pipe liner and pipe liner and wall rock. under varies load condition, it has educed that changing rule of stress, distortion and load characteristic pipe liner in kinds of wall rock tunnel by analysis and calculation
本文結合實際工程,分析研究了大夥房水庫輸水隧道工程在採用掘進機施工方法的情況下,利用管片襯砌的結構應力、變形等受力特性,考慮地下結構初始應力和開挖荷載對襯砌內力的影響,採用薄層單元模擬襯砌管片之間、襯砌管片與圍巖之間的非線性有限元計算模型,通過分析計算得出不同荷載工況下各類典型圍巖段隧道襯砌管片受力特徵、應力和位移變化規律。Based on a large numbers of model / simulation test of the intermittent cracked rock - like samples, fatigue strength, fatigue deformation and crack appear in preexisting cracks tips, the growth of crack, the pattern of crack coalescence are studied / analysed systemically by means of cyclic load and static load, in the course of the model test, the difference between cyclic load and static load of crack appear in preexisting cracks tips, the growth of crack and the pattern of crack coalescence are observed and analysed
在試驗過程中,觀察並分析了循環加載方式下,預置裂隙端部裂紋萌生、擴展、巖橋貫通模式與靜載方式下的差異;探討了疲勞裂紋萌生、擴展的機理,分析了加載頻率、荷載水平對裂隙試樣疲勞強度、疲勞變形(總變形和不可逆變形)的影響規律。The experimental method of the model test with 1 : 6 scale based on the work mechanism of bearing of steel y - pipe strengthened inside with crescent rib in combination with surrounding rock mass simulated by composite materials is adopted and the regularity of their participant capacity to bear inner water pressure is analyzed in this paper
摘要本文結合實際工程採用幾何比尺為1 : 6的物理模型試驗方法,用不同材料分層組合模擬圍巖,對水電站內加強月牙肋鋼岔管與圍巖聯合承載的工作機理、圍巖分擔內水壓力的規律進行分析。In light of the existing problem in researching the mechanism of prestressed anchor rope foundation beam system, and based on the loading and deformation compatibility relation of foundation and foundation beam of prestressed anchor rope foundation beam system, through decomposition and discretization of prestressed anchor rope foundation beam system, a new theoretical calculation method that can consider the interaction of prestressed anchor rope foundation beam system, is proposed
摘要針對現階段預應力錨索地梁與地基共同作用機理研究方面存在的問題,以預應力錨索地梁和地基巖土體之間荷載、變形協調關系為基礎,通過對預應力錨索地梁體系的分解和離散化處理,建立了能考慮預應力錨索地梁體系共同作用的預應力錨索地梁計算理論和方法。With a specially designed experimental instrument, the mechanism of load transfer within an unconsolidated confined aquifer and its effect on compound breakage of key strata have been studied
摘要採用專門設計的物理模擬試驗裝置及數值模擬試驗方法,就鬆散承壓含水層的載荷傳遞機制及對覆巖關鍵層復合破斷的影響進行深入研究。分享友人