超載試驗 的英文怎麼說

中文拼音 [chāozǎishìyàn]
超載試驗 英文
overload test
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 超載 : overload; excess freight; supercharge load(ing); overloading; superload
  • 試驗 : trial; experiment; test
  1. Full load safety test, overload device and brake tests

    安全設備滿感應器和制動器
  2. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業中,取得了滿意的結果
  3. This test is based on homogeneous soil in foundation, and divided into two phases. the first is to stimulate the construction flow to excavate the pit ; the second phase is destructive test. because the pit is stable in the first phase and the research is point to the geometry shape of the failure surface, moreover, limited to the test condition, the effective surface force is applied to the pit

    此次模擬主要是針對簡單均質的基坑土層進行研究,分為兩個階段,第一階段主要是以相似工況模擬基坑開挖,第二階段主要是破壞性,即由於在第一階段基坑在開挖范圍內能夠自穩,為使基坑達到破壞狀態以研究滑面幾何形態,限於條件,採用「等代面力」的方式施加
  4. This paper conbined with the indoor test and the scene test road, through the synthetical analysis of the factors of influencing densification effect for the densification thickness of filling stone roadbed. the maximum grain size of fill material, densification machinery and densification frequency et al. advanced a control norm of the maximum grain size and piy of compression, established ration evaluating the control standard of densification quality of filling stone roadbed under overload. comparing with result of indoor test and the scene test road, studied on theory of densification in different kinds of stone material and perfected the control system of the densification of filling stone roadbed under overload

    結合室內和現場路的實測數據,通過對填石路基的壓實厚度,填料最大粒徑,壓實機械及壓實遍數等影響壓實效果的因素的綜合分析,提出填石路基的最大粒徑和攤鋪厚度的控制指標,建立定量評定交通下填石路基壓實質量的控制標準,並對照室內和現場結果,研究不同石料條件下的壓實理論,補充完善了填石路基壓實控制指標體系。
  5. Abstract : experimental researches on normal section ultimate fle xural strength of prestressed reverse - rib - slab with excessive steel bar were m ade, and according to chinese norm ( gbj10 - 89 ) and american norm ( aci ) in which s train harmony analysis method was adopted, its ultimate strength was calculated, these make us further realizse the ultimate flexural strength of prestressed r everse - rib - slab with excessive steel bar

    文摘:通過疊合結構中預應力筋倒肋薄板正截面極限承力的研究,分別採用規范gbj10 - 89中的受彎構件、偏心受壓構件的計算公式及美國aci規范中的應變協調分析方法計算了極限承力,從而更清楚地認識了配有高強鋼絲的筋倒肋板的極限承力計算問題。
  6. Experimental study of fatigue crack overload retardation in pmma

    有機玻璃疲勞裂紋遲滯效應的研究
  7. The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit

    結果表明,聲電機可以在真空環境下工作,但性能較常態環境下有所變化,其空轉速明顯下降,堵轉力矩有所增大。
  8. In general, both of them are used to verify the results. using geomechanical model test method, the overloading process and wreck character of high arch dam was emulated completely for tengzigou arch dam. it is emphasized for stabilization safety evaluation various major loading function of high arch dam must be accounted and arch dam ' s whole stability is the most important

    本文用地質力學模型方法分析了藤子溝拱壩的過程和破壞特徵,並強調無論是超載試驗還是計算分析,在評價拱壩安全度時都應綜合考慮各種影響拱壩受力的主要荷因素,以拱壩整體工作能力作為評價依據。
  9. By the means of downloading software into the if digital hardware platform, some satisfying results have gotten and shown in this dissertation with help of circuit board and measuring devices, which fully testifies the feasibility of theory and realization of if digital technology in software radio and the feasibility of this project as if digital unit of ultrashort transceiver

    最後,將軟體加到中頻數字化硬體平臺上,藉助電路板和測量設備,得到了滿意的結果,充分證實了軟體無線電中頻數字化技術的理論和實現的可行性以及本系統作為軟體無線電短波調頻電臺的中頻數字化模塊的可行性。
  10. Through analyzing the in - situ data such as total settlement, layered settlement and pore water pressure, the actual deformation behavior of soft foundation are mastered. after summarizing the methods of predicting settlement of soft foundation and bring forward a method to predict the post construction settlement of the surcharge preloading soft foundation. and the engineering application of the predicting foundation settlement based on “ law of massaction ” and the traditional predicting methods are compared, the results shows that the model is useable and it deserves more validation in more projects

    本文以深圳灣軟基處理工程區為背景,通過對淺層沉降、分層沉降、孔隙水壓力等資料的分析,掌握了軟基變形的實際性狀;在總結軟基路堤沉降預測方法的基礎上,探討了軟基預壓工后沉降預測的參數反演法;並對地基沉降預測的「質量作用定律」模型的工程應用與傳統的預測方法進行了對比,證這種方法是可行的,得出了一些有用的結論。
  11. The experiments show that the bearing capacity of super - long and large - diameter bored piles is mainly contributed by side friction, especially by their upper and middle parts, even under the bearing limitation, the ratio of base resistance to the total load is very low because of the soil residue at the bottom of piles, so this type of piles is friction ones

    表明:即使在極限荷下,長樁的豎向承力仍主要由樁側摩阻力提供,且主要集中在樁的中上段,下段摩阻力很小,樁的端阻力由於樁底沉渣的影響也難以發揮出來,所以長樁為典型的摩擦樁。
  12. With the reference of many relevant materials, the author prepared a fined molybdenum disulfide powder with a average size of 800nm by ball milling, and a nano - copper with average size of 30nm in micromulsion solution method, and synthesized surface - modified titanium dioxide nanoparticles with average size of 40nm in organic media via sol - gel method. the tribological performances of three particles were studied by universal test as well, with the result of fined molybdenum disulfide powder with good reducing wear and antiwear performance at low load, nano - copper with good reducing wear and antiwear performance at high load, surface - modified titanium dioxide nanoparticles maintaining stable reducing wear and antiwear performance from low load to high load due to its characteristics of organic and inorganic nanocomposite. the results indicate that the nanocomposite is the most perspective oil additive. the reducing wear and antiwear mechanism of nano oil additive was studied with in - situ tribochemical principle. nano additives possess broadly developing prospect with its above - mentioned performance

    在參閱了大量文獻的基礎上,分別採用了球磨法、微乳液法、溶膠?凝膠法制備了細二硫化鉬、納米銅粒子、表面修飾納米二氧化鈦,經原子力顯微鏡測,獲得的細二硫化鉬的粒度平均在800nm以內,納米銅粒子平均粒度約為30nm ,表面修飾納米二氧化鈦平均粒度約為40nm ,在萬能摩擦磨損機上測了三種粒子的摩擦學特性,結果表明:在合理的添加濃度范圍內,細二硫化鉬在低時具有優良的減摩抗磨性能,納米銅在高時具有比較好的減摩抗磨性能,表面修飾二氧化鈦粒子因具有有機與無機復合物的特性,從低到高都保持穩定的減摩抗磨性能。
  13. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已有的經,本文設計和完成了對18根高強混凝土無腹筋梁(包括9根簡支梁和9根約束梁)在集中荷下抗剪強度的,觀察了件從裂縫出現到完全破壞失去承能力全過程的現象並通過拍照進行記錄,獲得了件的斜裂縫出現荷、臨界斜裂縫荷和極限荷等荷值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。
  14. Through experimental research, the calculation formula that the pressure highly - adjusted capacity of two cylinder chambers varied with the change of step load and the formula about hydraulic elements main parameter ( rated pressure ) were both made, which had important valuation in selecting the main parameter about this hydraulic system

    通過研究得出了出口節流調速系統中液壓缸兩腔壓力調量隨負變化的計算公式以及出口節流調速系統中液壓元件主參數(額定壓力)計算公式,有利於正確選擇系統的元件及主參數。
  15. Finally, two examples show that, the availability and practicability of the new model is verified. the analysis of calculation result of berthiervill test embackment shows different part of compression curve have different influence upon the course of consolidation, and correct coefficient and viscous effect have great significance on deformation forecast. associated with the wenzhou airport runway engineering, the reason of increasing of pore - water pressuer in under - lying soft layer and post - construction settlement are given

    最後,通過兩個工程實例的分析來說明本文模型的有效性和實用性:一是對berthiervill填土場的軟基實測數據和理論成果進行對比分析,闡明考慮結構性擾動和粘滯性效應對分析天然粘土固結壓縮性的重要性;二是對溫州機場袋裝砂井預壓工程進行數值模擬,指出停荷預壓期間下臥層孔壓增加和工后沉降大的原因。
  16. The main purpose of this paper is to realize the section properties and moment capacities of profiled sheets by experimental study and academic analysis for three types of profiled metal sheets which are called u450, u860and super combination profiled metal sheets produced by shanghai baosteel metallurgical construction corporation. its main contents include : ( l ) according to " european recommendations for the testing of profiled metal sheets ", the moment capacities of 32 full - size u450 and u860simple and continuous specimens are tested. ( 2 ) using the finite element program ansys and nonlinear finite element method, the moment capacities of super combination profiled metal sheets profiled are analyzed

    主要內容有: ( 1 )依據《金屬壓型鋼板歐洲建議》 ,進行了32塊1 : 1的u450 、 u860二類壓型鋼板件簡支、連續板彎曲性能研究; ( 2 )採用有限元程序ansys對級組合壓型鋼板受彎性能進行了非線性有限元分析,分析中考慮了大變形與幾何初缺陷,得出其荷?撓度曲線與極限荷p _ ( max ) ,通過截面特性與曲線斜率、極限荷的關系式得到截面特性;並將分析結果與同濟大學結果進行對比分析。
  17. Three experimental schemes were taken, including the draining plastic board and pre - compression with stacking load, the draining plastic board and punning, the replacement treat after punning. the deep horizontal movement of soil body, hyperstatic pore water pressure, the ground surface settlements and horizontal movements, dynamic detection and static load experiment were carried out in site

    此次方案研究採用塑料排水板+堆預壓、塑料排水板+強夯、強夯置換等三種方案,對土體深層水平位移、靜孔隙水壓力、地表沉降及地表水平位移、動力檢測和靜力荷等進行了現場測
  18. Based on the geometrical non - linear finite element theory, a fine iterative method of simulating all construction stages of self - anchored suspension bridge is proposed and used to pingsheng bridge. the construction plans of suspension rod and second dead load are discussed in details. the model test of pingsheng bridge is completed

    此外,對平勝大橋的整體穩定性及極限承力進行了分析,並在全橋模型上進行了超載試驗研究,結果表明,平勝大橋的總體穩定是有保障的。
  19. So it is necessary to study the bearing behavior of super - long and large - diameter bored piles based on the tests of several piles of four bridges, which are being constructed in the area of lake dongting, the mechanism of load transfer and the characteristic of bearing capacity are analyzed

    因此無論是理論還是實踐都迫切要求對其承性狀進行研究。作者以洞庭湖區某四座在建大橋的樁基靜為依託,對該地區的大直徑長灌注樁的荷傳遞機理和豎向承性狀樁進行了研究。
  20. The project is completed in the collaboration of the transportation college of jilin university and transportation science institute in jilin province. the paper mainly studies the characteristics and mechanical performance of small size member of bridge, the problems of concrete dense degree and shear lag effect of wide flange. the static load test and supersonic nondestructive test of four pieces of prestressed i - girder with varying section are carried out in bridge structure laboratory of jilin university

    本文針對橋梁構件局部尺寸較小部位的混凝土密實度問題,進行了2片腹板寬度為14cm , 2片腹板寬度為16cm的變截面預應力工字梁的靜聲無損檢測,提出密實度系數的概念,對梁的密實度進行定量評定,推導了工字梁的塑性系數公式,基於塑性理論給出了梁的開裂荷和極限承能力計算公式,分析了梁的密實度對其開裂荷和極限承能力的影響。
分享友人