環周應力 的英文怎麼說

中文拼音 [huánzhōuyīnglì]
環周應力 英文
circumferential stress
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  1. Textiles are made repellent to withstand the stresses of use and of the environment.

    紡織品要做成能抗拒使用過程中各種應力的作用和周圍環境的種種侵襲。
  2. The experimental results is shown as followings : ( 1 ) the cyclic flow stress - strain curves in an incremental step test could be expressed as the power law relation : ( 2 ) when the strain amplitude is lower during cyclic deformation tests under constant strain control, softening firstly appears, then gradually hardens with the increasing numbers of cycle ; when the strain amplitude is higher, hardening firstly appears, then gradually softens

    試驗結果表明： （ 1 ）循環流變應力與應變的相互關系曲線均符合冪律關系式： （ 2 ）在室溫下進行恆應變幅循環變形過程中，當所控制的應變幅較小時，該材料首先出現循環軟化，之後隨循環周次的增加直至循環失效前該材料出現了硬化現象。當應變幅較大時，該材料開始出現硬化，然後隨循環周次的增加才出現軟化。
  3. Lastly, the land disposition model was set up at dahe town, hebei province, including town development direction decision, town land scale decision, town land structure optimum. taking use of fuzzy aggregate principle, choosing ground load - bearing capacity, quality of taken up land, groundwater level, economic land use, infrastructure building cost, radiation capability, transport, life environment, town form as evaluation element, the town development direction decision model at dahe town were set up

    運用模糊集合變換原理，選擇了地基承載力、土地農業生產力、地下水位、節約用地、基礎設施建設成本、對周邊的輻射、現有基礎設施、對外交通便利程度、城鎮生活環境、城鎮形態等10個評價因子，建立了小城鎮用地空間擴展決策模型，研究表明大河鎮鎮區用地未來的空間擴展主方向應該是東面和東北面。
  4. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣，進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗，並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析，來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命，最後利用最小二乘回歸方法，得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  5. The flowers and applause around us are the rewards of our effort, it is our faith and hard work that wins the credit and praise from people

    環繞在我們周圍的鮮花和掌聲凝聚了銀鯨上上下下員工的拳拳之心和血汗之力，應該說，是大家的真誠與努力贏得了社會各界人士的贊譽和好評。
  6. A deep foundation pit engineering in shanghai is adopted as an example. the factors of design, construction and nature environment on effect of internal force and deformation for a retaining structure are studied in detail through the example. these factors include the rigidity of retaining wall, rigidity and site of support rod, space - time effect of pit excavation, water environment of foundation pit etc. some useful conclusions of controlling deformation of foundation pit are obtained through the study

    以上海某深基坑為工程原型，利用有限元程序，詳細探討了支護墻剛度、支撐剛度及位置、基坑開挖的時空效應、基坑周圍水環境等設計、施工和自然環境因素對支護結構內力和變形的影響，提出了一些控制基坑變形的方法措施，為深基坑工程的設計和施工提供了依據。
  7. ( 2 ) respectively by elastic theory analyses and methods of structural mechanics, transverse static analytical equations for flexible pipeline rigid pipeline are established whose outcomes are applied in numerical example to compare those with that by finite element method. ( 3 ) considering interaction of filled soil, pipeline and foundation, with an eye to non - linear soil model, in view of the initial geo - stress field and the effects of interface between soil and pipeline, and by finite element method the calculational model and method are built for transverse stress in pipeline. then, by the great finite element analytical software ansys, those outcomes are applied in calculation example of positive buried pipe to educe the distribution of circumjacent soil pressure and stresses on cross section and to compare it with that calculated by conventional ways before those outcomes are applied in engineering case of positive buried pipe with flexible filled materials to confirm distribution of soil pressures after the measure for reduction and to compare it with measurements. as a result, the model set up in this paper is proved to be applicable after all above - mentioned analyses

    本文基於彈性理論和有限元原理與方法，分析了上埋式地下管道橫向力學計算方法和性狀並探討了上埋式地下管道的減荷等問題： （ 1 ）在分析現有幾種典型的管道垂直土壓力計算方法的基礎上，探討了影響垂直土壓力的主要因素以及改進的方法； （ 2 ）分別通過彈性理論分析法和結構力學的方法，建立了地下管道柔性圓環和剛性管涵的橫向靜力計算方程，並應用在算例中，把所得結果和有限元方法所得結果進行對比分析； （ 3 ）考慮填土、管道和基礎的共同作用、土體的非線性特性、初始應力場以及土體和管道的接觸面因素的影響，利用有限元的思路，建立了地下管道橫向力學有限元計算模型和方法，並且採用大型有限元分析軟體ansys ，針對上埋式管道工程算例，得出了管周土壓力以及管道橫截面應力的分佈狀況和規律，並和理論值進行對比；針對施加柔性填料的上埋式管道工程實例，得出了減荷后的土壓力分佈，並和實測值進行了對比。
  8. The rotational changes arise because of tidal forces exerted by the moon and inertial effects related to the liquid outer core sloshing around and to the cycle of evaporation, in which water at the equator gets deposited at the poles as ice that melts seasonally

    自轉的改變則因為月球產生的潮汐力，以及因地球外核液體攪動和大氣蒸發循環（赤道蒸發的水氣于地極凝結成冰，並周期性融化）產生的慣性效應。
  9. Firstly, this issue analyzed the external environment of the coal transport in qin port, explained the ability of the " three west " coal rails passageway, the trains near the port, and the turnoff of the surrounding ports, then emphasized on the computation and analysis of the rails which connect qin port with the places of coal origin. secondly, it analyzed the rails and surrounding ports developing trend, coal demands, the tendency of large - size of ship, and the port adaptability. finally, based on those analysises, i put forward a plan of the construction of specialized deep - water coal berth for foreign trade coal in the coal fourth phrase of qin huangdao port

    本文首先，從分析秦皇島港煤炭運輸的外部環境入手，通過對「三西」煤炭鐵路運輸通路、港口所在地區的鐵路以及周邊港口概況的敘述，著重對秦皇島港鐵路（主要線路：大秦線、京山線、京秦線）的運輸通過能力進行了計算與分析；其次，對鐵路及周邊港口發展趨勢、煤炭市場需求、船舶大型化趨勢和港口適應性進行了分析；最後，在以上諸多分析的基礎上，提出建設深水外貿煤炭專用碼頭的可行性方案，從而改善秦皇島港大型船舶的裝卸條件，形成在外貿煤炭船舶裝卸的比較優勢，提高秦皇島港在外煤運輸市場的競爭力，並對方案未來的實施效果進行了分析。
  10. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重； ? ni - sn金屬間化合物包括兩層：其中，靠近ni焊盤的那層比較平整，同時， eds結果分析表明其化學式近似為nisn ，而靠近焊料的那層呈板條狀，化學式近似為nisn _ 3 ，文獻表明其為亞穩相； ?充膠使得樣品最大應力范圍降了接近一個數量級並降低了dnp的作用，同時，器件失效模式變為晶元粘接層分層； ? c - sam結果表明本論文採用的充膠樣品，晶元粘接層分層起始於500周左右，而經過2700周循環的樣品，分層幾乎擴展到整個界面。
  11. It is showed that the heat transport crossing the equator has the similar magnitude and the same period of one year, compared with that of 10 n in arabian sea. by contrast, the heat transport across 10 n in bay of bengal has a much smaller value with a prominent semiannual period ; there are tight relationship between integrated zonal wind stress in one latitude of the indian ocean north of 7 n and the total heat transport across that latitude, as well as the total net surface heat flux north of that latitude. the maximum correlation coefficient is less than - 0. 5

    結果表明越赤道和越10on阿拉伯海的熱輸送量大小具有可比性，且有相同的年循環特徵，而10on孟加拉灣緯度的經向熱輸送較小，且具有半年變化周期;儼s以北印度洋任一緯度上的緯向風應力異常與此緯度上的經向熱輸送異常以及此緯度以北印度洋總的海面凈熱通量異常有很好的相關關系，相關系數最大可達一0 . 5以上。
  12. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方法與設備、如何使土方開挖機械現代化及對周圍建築的臨測方法上，本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方法與程序，並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段，這對指導施有積極、現實意義；提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作法施工過程中基坑邊坡土體應力及應變的變化情況，指出粘土地區也應考慮時間效應，並且進一步分析了基坑邊坡土體的塑性區形成和發展，找出邊坡最不利的區域，以確定地下室土體的挖掘的方式和順序，指出憑主觀臆斷與經驗來施工是不可取的；在分析、經較逆作法與大開挖順作法的地下室結構體系受力情況及施工順序的不同，提出了節點處理技術；分析了逆作法施工期間樁的沉降變化原因及由此而產生的差異，並探討了解決的方法；本文還提出了環境振動對土體邊坡穩定產生影響的觀點，並分析了在環境振動影響下，土體的應力狀態及土休失穩破壞概率，並且還運用彈性力學知識和數學分析的方法定量地分析了地下混凝土墻受力狀態，指出了被監測墻體的最大應力、應變位置。
  13. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法（ r _ = _ （ min ） _ （ max ） = - 1 ） ，系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響， zr - 4合金、 n18合金和n36合金的循環變形行為，並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果，深入探討了影響合金低周疲勞行為的作用機制。
  14. Taking a qingdao hotel second phased project deep hole excavated for building foundation as example, the paper introduces the application of the demolition vibration in the complex peripheral environment and the geological condition, the influence, crag body vertical excavates regarding nearsightedness, the pre - stressed anchor rod and the earth nail unify support and protect the technology in the project of the crag body side slope

    摘要以青島某飯店二期工程深基坑為例，介紹了在復雜的周邊環境和地質條件以及有爆破振動的影響下，對于近似垂直開挖的巖體邊坡，預應力錨桿與土釘結合的支護技術在邊坡支護工程中的應用。
  15. The results show that the temperature variety in prestress concrete could not been neglected. the main factors that affect the temperature distribution had been analyzed basing on experiment results and much datas of environment variety, and provided a simple curve about periodical variety environment temperature

    在現場試驗研究和其它的環境溫度的大量實測資料的基礎上，對影響預應力混凝土構件內部溫度分佈的主要因素進行分析，提出了周期性變化的環境溫度可在數學上簡化為一條簡單的簡諧波曲線。
  16. At last, the law of deformation of pit bottom and surrounding surface in different stress state and in different excavating step is obtained, and the same to the saturatin g process of surrounding soil. to some extent, in predicting the deformation of surrounding soil and retaining structure in construction, in preventing the foundation pit accident from happening, in insuring the security of environment and regular use of pipes underground, and in giving advice to deep loess foundation pit engineering in practice, the conclusion is of theoretical and practical value

    得出了不同應力狀態下和不同開挖步驟時以及基坑周圍土浸濕過程中黃土深基坑坑底及基坑周圍地表的變形規律，所獲得的結論對于黃土深基坑施工過程中周圍土層及圍護結構的變形預測，防止黃土深基坑事故的發生及周圍環境的安全與地下管道的正常使用，指導黃土深基坑工程的實踐具有一定的理論和實踐參考價值。
  17. Zhang liji ( material physics and chemistry ) directed by professor xie xiaoming this paper is intended to solve problems for those who are designing, using pbgas. failure mechanism, as well as cycles to failure of two groups of pbga samples ( with / without underfill ) for thermal cycling conditions in the range of - 40 ~ 125, were presented. the experiment shows that solder ball in the samples without underfill cracked after 500 times cycle, no crack was found in the underfilled samples even after 2700 cycles

    通過一系列的實驗，得到以下實驗結果： ?在本論文設定的溫度循環條件下，未充膠pbga樣品的熱疲勞品壽命在500周左右，充膠樣品的焊點壽命高於2700周； ?對于未充膠器件，中心距（ dnp ）是決定焊點應力、應變大小的最主要因素，裂紋總是從中心距較大處萌生並向中心處擴展； ?溫度循環的過程中焊盤附近焊料組織明顯粗化。
  18. Aiming at main project of the xiaoxihu bridge, a low pylon cable - stayed bridge, based on the existing theory and method of the bridge construction controlling theory, using the basic function of " ansys ", farther exploitation was done on concrete elasticity and creep calculating distinguishingly, nonlinearity analysis theory was used to construct the space model, the main beam, string pylon and abutment were simulated by the beam elements which was considered the shearing effect. which is worthy of considering that using the geometric non - linear truss elements to simulate the stayed - cable, form traveler is modeled as structure elements and participate in stress analysis. four stages are used to model the construction stage, which are : ( 1 ) the erection of form traveler ; ( 2 ) placing the segmental concrete ; ( 3 ) jacking the tendons ; ( 4 ) tensioning the stay cables

    針對建設中的小西湖矮塔斜拉橋的主體工程，結合已有的橋梁施工控制的理論和方法，利用大型通用計算軟體ansys的基本功能，並著重在混凝土彈性計算及徐變計算方面做了相應的二次開發，採用非線性分析理論並建立了空間結構模型、用考慮剪切作用的梁單元模擬主梁、索塔和橋墩；用可考慮幾何非線性的桁元模擬斜拉索、施工掛藍作為結構單元進行拆裝，參與受力計算，整個施工過程按施工循環周期分為若干階段，每個階段又分為四個工況，即：空掛藍就位、澆築完畢階段混凝土、張拉預應力鋼筋和張拉斜拉索。
  19. The thesis introduces the biot ' s three - dimension consolidation theory based on absolute linear - elastic theory ; the thesis designs the pit dewatering scheme of hand - dug piles support of shenyang subway ' s shenyang station construction ; the thesis uses finite element program to simulate the influence on around environments caused by pit dewatering, and finds the change laws of earth mass inner stress and the effect parameters on the surface deformation on the basis of reasonable hypothesis and the analysis of ground water exploitation progress. combined with stochastic medium theory, the thesis introduces dewatering subsidence coefficient, sets up the predicting model of the surface deformation caused by dewatering, and develops the computing program ; by application of program on a single well of underwater exploitation, it is proved that the program is feasible, so the prediction of the surface deformation caused by underwater exploitation is realized

    本文介紹了基於線彈性本構關系的biot理論；設計了擬建沈陽地鐵沈陽站點人工挖孔樁支護施工的基坑降水方案；利用有限元程序，模擬了基坑降水對周圍環境的影響；在合理假設的基礎上，分析了地下水開采過程中，地層應力的變化規律，找到了影響地面變形的參數；與隨機介質理論相結合，通過引入采水下沉系數建立了地下水開采引起地面變形的預計計算模型，並編制了電算化程序；通過某單井開采實例驗證了該方法的可行性，實現了地下水開采引起地面變形的預計。
  20. Lastly, the rule of fatigue crack appear in preexisting cracks tips is established according to the principle of maximal tensile stress using the theory fracture and damage

    最後，運用斷裂損傷理論，在最大周向拉應力理論的基礎上，建立了循環加載下預置裂隙端部疲勞裂紋的起裂準則，並用試驗結果進行了驗證。
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