試驗心軸 的英文怎麼說
中文拼音 [shìyànxīnzhóu]
試驗心軸
英文
test mandrel-
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。In this thesis, studies are focused on as follows : ( 1 ) based on analyzing the general transfer - matrix, the conception of the generalized double layer soil model is proposed, and the transfer - matrix ( r ) of half - infinite elastic mass is introduce - d to the analytic expressions of stress and settlement under the uniform circular, rectangular and strip vertical loads in multi - layered soil ; ( 2 ) according to the analytic expressions of the additional stress and settlement under unifo - rm circular in multi - layered soil, rectangular and strip vertical loads, the programs are develop - ed to resolve and debugged. the results show that the programs are correct ; ( 3 ) through calculating the coefficient of additional stress on the central axis of uniform circ - ular vertical loads, under the corner point of the uniform rectangular vertical loads, and on the central axis of uniform strip vertical loads, and the settlement on the center of uniform circular vertical loads and uniform rectangular loads in double - layered soil, the characters of stress and settlement are discussed ; ( 4 ) a case, as an example, is studied with different calculation methods, such as traditional theory, fem. the results obtained are compared
本文在已有研究成果的基礎上進一步開展了以下幾方面的研究： （ 1 ）在對層狀地基傳遞矩陣法中的總傳遞矩陣分析的基礎上，提出了廣義雙層地基模型的概念，並把半無限體的傳遞矩陣r引入到多層地基在圓形垂直均布荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式中； （ 2 ）根據多層地基在圓形荷載、矩形垂直均布荷載及條形垂直均布荷載作用下附加應力與沉降的解析式，編制了程序，調試通過並驗證了其正確性； （ 3 ）通過對雙層地基圓形垂直均布荷載中心軸線上的附加應力系數和荷載中心沉降，矩形垂直均布荷載角點下的附加應力系數和荷載角點沉降及條形垂直均布荷載中心軸線上的附加應力系數進行的計算，探討了雙層地基中的附加應力與沉降特性； （ 4 ）應用本文的層狀地基體系理論對一個工程實例進行了計算分析，並與傳統的計算方法的計算結果和有限單元方法的計算結果進行了對比分析，結果表明利用層狀地基理論計算更能反映地基中附加應力分佈的實際情況。Thermodynamic performance test for centrifugal axial blower and compressor
離心和軸流式鼓風機和壓縮機熱力性能試驗At present plenty of experimental study has been made on the materials and structural performance of asphalt concrete cores in the world, and the design methods and construction technique as well as equipments have been more mature. however, there is still lack of the research of its basic performance. in this thesis, in combination with the actual project, the experimental study has been employed with the field core specimen and the specimen made in laboratory, mainly include the static triaxial test, confinement pressure stabilization test and stress relaxation test
目前，國內外對瀝青混凝土心墻的材料和結構性能已進行了一些試驗研究，其設計方法、施工工藝和設備較為成熟，但其基本性能研究方面顯得較為薄弱，本文結合實際工程對瀝青混凝土心墻的芯樣和試驗室成型的試件進行了試驗研究，主要包括靜三軸試驗、圍壓穩定試驗以及應力鬆弛試驗研究，得到以下基本結論： 1On the basis of this, the processing plan of the blade is proposed, and the g code of the blade is produced
在此基礎上，制定了葉片的加工工藝，生成了數控程序，並在五軸加工中心上進行試驗。In this paper, the author focuses on these properties according to some experiments and researches, which include the carrying capacity of twenty - four wall panels of haydite concrete, the elastic modulus of haydite concrete and the relationship of the prism compressive strength and the cube compressive strength
在廣西，有關輕骨料混凝土的研究正在起步，其各方面性能還要進行廣泛的試驗研究。本文是對24塊陶粒混凝土實心承重墻板的承載力；陶粒混凝土彈性模量以及軸心抗壓強度和抗壓強度的關系進行試驗研究。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點，為了掌握這種新型材料的主要特徵和強度、變形等力學性能，本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究，總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。This research was also supposed to provide a valuable reference for the construction of 500kv eastern hangzhou transformer substation project. to guarantee the rationality of the torsion and bending load application, a set of experimental equipments was transformed from a traditional one by exerting tangential force on the brim of the fan board and conducting broad - billed roller application. in the actually fulfilled experiments on the capabilities of the members under different ratios of torsion and bending, the equipments proved to be well qualified in load applying to large - tonnage members
試驗中，為保證扭轉及彎矩荷載施加的合理性，在浙江大學工程結構試驗室原有的加載設備的基礎上，分別採用在扇形板邊緣施加切向力和寬軸承滾軸加載的方法，改造並調試出一套可專門用於大噸位構件施加扭轉荷載及組合作用的試驗設備，並利用這套設備進行了離心鋼管混凝土構件在不同彎扭比的組合作用下的試驗研究。Test conditions for machining centers - part 4 : accuracy and repeatability of positioning of linear and rotary axes
多工序自動數字控制機床加工中心的試驗條件.第4部分:線性和旋轉軸定位的精確度和可重復性Z test conditions for machining centers - part 1 : geometric tests for machines with horizontal spindle and with accessory heads horizontal z - axis
多工序自動數字控制機床加工中心機床的試驗條件.第1部分:有水平軸和附屬頭的機床的幾何試驗The difference between axial compressive capacity of beam - column joints and that of columns is introduced when joints are strengthened by various measures. influence of shapes, spiral hoops and ratio of beam depth to side dimension of square column upon axial compressive capacity of beam - column joints is discussed. then economy and security of the relative article in current code are demonstrated and the design recommendations of beam - column joints are given
本文通過6個不同強度等級混凝土樑柱節點試驗，了解在不同的加強措施情況下，節點區的軸心抗壓承載力與柱的理論軸心抗壓承載力的差異，探討了角鋼、螺旋箍筋及梁高與柱截面尺寸的比值h c對節點區軸心抗壓承載性能的影響，驗證了我國現行規范有關條款的安全性和經濟性，並且在此基礎上，為不同強度等級混凝土樑柱節點的設計提出了相關建議。Test methods for centrifugal, mixed flow, axial and regenerative pumps
離心泵混流泵軸流泵和旋渦泵試驗方法Centrifugal, mixed flow and axial pumps - code for hydraulic performance tests - precision class
離心泵混流泵和軸流泵水力性能試驗規范精密級By low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. lastly, based the data got from the test, this paper analyses and value the seismic behavior of every members
在試驗基礎上，研究了軸心受壓構件的承載力計算和穩定問題；研究了低周反復水平加載條件下，彎剪構件和整體空心墻板的強度、變形、能量特性；軸壓構件的荷載特徵值；彎剪構件和整體空心墻板的滯回曲線、骨架曲線、延性等參數；從強度、變形和能耗等方面判別和鑒定各構件的抗震性能，對各個構件給出了試驗的結論、評價。Test method of ferrocement panels in axial tension
鋼絲網水泥板軸心受拉試驗方法Preliminary research on creep and dynamic characteristics, which are two important properties of asphalt concrete cores for embankment dams, through triaxial compression creep tests and dynamic triaxial test with the aid of the viscoelastic theory and the soil dynamics theory
本文通過三軸壓縮蠕變試驗和振動三軸試驗，藉助粘彈性理論和土動力學理論，對土石壩瀝青混凝土心墻材料的兩個重要性質? ?蠕變性能和動力特性進行了初步的研究。Bearing capacity experiment research on reinforced concrete column member in axis compression corroded in seawater
海水侵蝕下鋼筋混凝土軸心受壓柱承載力試驗研究Centrifugal, mixed flow and axial pumps - code for hydraulic performance tests - precision class iso 5198 : 1987 ; german version en iso 5198 : 1998
離心泵混流泵和軸流泵.液壓性能試驗規范.精密級In this thesis, the resistance performance of concrete - filled steel tubes under simple load is summed up first. according to the resistance expressions under press and bending, a concise formula of resistance under torsion is deduced on the ground of two former formulae. the format of this formula is of good similarity with that under press and bending
在對比了原有的兩種計算方法的基礎上，對離心鋼管混凝土構件在純扭轉作用下的極限承載力公式，提出了與結果試驗更加吻合、形式上更為簡潔的抗扭承載力實用計算公式，在形式上與軸壓和彎曲承載力公式統一起來。In the formula, our experience in structural strength design and the experimental results are considered. and such factors are also considered as differences in materials of the skin and the reinforcer, effects of bending, torsion, stretching and offcenter of the reinforcer. furthermore, through post - buckling stress analysis of the skin, it is shown that even low stress level will result in buckling of the skin, but the skin still has loading capacity
在總結過去結構強度設計和試驗分析的基礎上，應用扁殼理論，在廣義力與廣義應變關系中考慮了蒙皮與加筋不同材料以及加筋的彎曲、扭轉、伸縮和偏心等的影響，推導出適合於工程應用的加筋殼結構軸壓屈曲臨界載荷的計算方法;並通過對薄壁結構蒙皮后屈曲應力分析，說明蒙皮在很低的應力水平時就出現失穩現象，但失穩后的蒙皮仍具有一定的承載能力。分享友人