safe stress 中文意思是什麼

safe stress 解釋
安全應力
  • safe : adj 1 安全的,安穩的;無危險的。2 確實的,一定的。3 安全,平安〈作 arrive come 等的述語用〉。4 謹...
  • stress : n 1 壓力,壓迫,緊迫,緊張。2 【語音】重音;重讀;【詩】揚音;語勢,著重點。3 重要(性),重點,...
  1. The subject for different process technology and surface treatment of crank takes tracking checkout for its internal stress, analyses relation of jumping measurement, deformation measurement, recovery measurement and stress change, finds the reason and usual law of jumping overproof of crank. through cold pressure alignment, hot pressure alignment, support aged alignment and so on methods for 42crmo steel crank, the subject checks change of stress in the process of alignment and change of tissue and property after alignment for crank, and gives comprehensive evaluation for every alignment technology, then give safe and feasible technology parameter

    本課題主要是對不同加工工藝及不同表面處理過程的曲軸,對其內應力進行跟蹤檢測,分析各工藝過程中跳動量、變形量、恢復量與應力改變的關系,找出曲軸跳動量超差的原因和一般規律。通過對42crmo鋼曲軸進行「常溫壓力校直」 、 「熱壓力校直」 、 「支撐時效校直」等方法的校直,檢測校直過程中曲軸應力的變化及校直后組織和性能的改變,進而對各校直工藝進行綜合評價,給出安全可行的工藝參數。
  2. After being improved, the gear surface contact fatigue strength obeys weibull distribution and stress obeys normal distribution, the gear bottom bend fatigue strength and stress obey logarithm normal distribution, according to the relation of average safe rate and reliability, then the gear strength reliability design and check equations can be deduced

    將齒面接觸疲勞強度按威布爾分佈、應力按正態分佈處理,將齒根彎曲疲勞強度和應力均按對數正態分佈處理,再根據平均安全系數和可靠度之間的關系,推導出了齒輪強度可靠性設計和校核公式。
  3. The precision of its calculating results has an direct effect on the design, construction and safe usage. in the typical calculation of the settlement of foundation, additional stress incurring by loading is calculated according to elastic theory which has the same characteristics in semi - indefinated space, the condesion of soil is decided by the condesion experiment of one - demension and the settlement is calculated by adding results of respective layer

    地基沉降計算一直是困擾巖土工程技術人員的一個難題,其準確與否將直接影響建築物的設計、施工和安全使用。在經典的地基沉降計算方法中,荷載作用下地基中附加應力場是根據半無限空間各向同性彈性體理論計算的,土體壓縮性是根據一維壓縮試驗確定的,並採用分層總和法來計算地基的沉降量。
  4. Incorporated with the surveying of geo - stress and rock stress analysis, the feature of rock stress can be found and the strata behaviors induced by coal mining can be predicted, which will supply geology information for safe mining

    地質動力區劃方法以板塊構造理論為基礎,以區域構造形式為主要研究對家,進行活動斷裂的劃分,確定區域構造形式。
  5. The collapsible loess is often met during the construction of the high - grade highway in the loess area, and the main failure is the uneven subsidence of the roadbed and the culvert, which affects the safe usage of the roadbed and the culvert, etc. directed against this, based on the chankou - lanzhou freeway construction, the paper analyzes the application of the composite ground formed by lime - soil pile under the bridge and designs the project, discusses the rules of the contact pressure, the stress ratio of the pile and the soil, compares the p - s curves of one pile, the composite ground formed by one pile and the composite ground formed by two piles based on the in - situ plate loading test, evaluates the bearing capacity of the composite ground of the project

    黃土地區的高等級公路建設中經常遇到濕陷性黃土問題,其病害類型主要是地基土受水浸濕后引起路基、橋臺、涵洞等的不均勻沉降,直接影響路基、構造物等的正常使用。針對此問題,本文依託甘肅讒口至蘭州柳溝河高速公路建設工程,對橋基灰土樁復合地基應用的可行性進行了深入分析,根據具體工程進行了合理的設計與計算,並配合現場靜載荷試驗及壓力盒實測數據,探討了基底應力分佈規律,樁土應力比,變形模量的變化關系,對比分析了單樁、單樁復合和雙樁復合的p ? s關系,對橋基灰土樁復合地基承載力進行了整體評價。
  6. In order to ascertain stress behavior of steel lined reinforced concrete pipe accurately, according to the fundamental principle of non - linear computation of reinforced concrete elements, the steel lined reinforced concrete penstock on downstream dam surface in a hydropower station is calculated and analyzed, and the distribution of circumferential stress of the steel lined reinforced concrete pipe is obtained, it proves that it is safe and reasonable to use structures of steel lined reinforced concrete penstock in hydroelectric station construction, and can satisfy the requirement of project

    摘要為了能夠準確地把握鋼襯鋼筋混凝土管的受力性能,根據鋼筋混凝土單元非線性計算的基本原理,對某水電站鋼襯鋼筋混凝土壩後背管進行了計算分析,得出了鋼襯鋼筋混凝土管環向應力的分佈情況,分佈情況說明了此水電站採用鋼襯鋼筋混凝土壩後背管的結構形式是安全合理的,可以滿足工程要求。
  7. The pre - stress anchor board supporting technology is economical, speedy and safe enough. it can broaden the constructing space and can promote the efficiency and quality of excavation and restructuring construction

    預應力錨板墻支護技術具有經濟、快捷、安全性高的優點,它可提供開闊的施工空間,提高挖土和結構施工的效率和質量。
  8. Base on the analysis, the design of the pipe coupling is optimized by bringing forward a dimension scheme of the coupling which increase the connecting force and keep the maximal stress intensity within the safe scope

    最後,通過模型,分析了管接頭尺寸對管接頭系統的強度的影響,並對管接頭進行了優化設計,提出了一個能增大抱緊力,並保持最大應力強度在安全范圍內的優化方案。
  9. By the way of stress analysis of bank slope, the positions of different laying depths are found, where the stress state is close to that of semi - infinite plane. then the shape of stress slack zone can be confirmed to acquire the safe rule of laying foundation for bridge design. and the engineering applications prove its correctness

    本文通過岸坡應力分析法,找到不同深度下基礎附近應力接近半無限平面(即消除岸坡邊界影響)的位置,從而確定應力鬆弛帶形態,為橋梁設計提供基礎安全埋置準則,而工程應用結果也驗證了該方法的正確性。
  10. The research of system makes the observational information of tongbo dam realize standardization manage, tidy up and analyze the information quickly and exact, give the environmental physics number and diagnostic numer of displacement, stress and seepage, build the mathematical model of each observational information, evaluate the working modality of the dam, thereby ensure safe working of the dam

    系統的研製使桐柏抽水蓄能電站的觀測資料實現規范化管理,快速、準確地整理、分析觀測數據,給出環境物理量及位移、應力和滲流等觀測效應量的特徵值,建立各觀測效應量的數學模型,分析評估大壩的工作形態,從而保證大壩的安全運行。
  11. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    ( 6 )建壩工程荷載條件下河谷巖體力學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應力量值明顯增高,同時左岸的張應力區的范圍及量值明顯減小,主應力的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震力的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外力作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震力的共同作用,壩體將在滑坡體下滑推力的作用下產生破壞;建壩后水平推力對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理力學參數的降低而有可能導致壩體失穩破壞。
  12. According to the documentation collected from domestic and abroad wang wei dong who works in huadong architect and structure institute utilizes the similar work property between the underground continuous wall and pile subjected the vertical loads, and introduces poulos method of elasticity and plastic which applies to pile foundation into the calculation for subsidence of underground continuous wall. pujialiu and yu yuzhou from water and electronic engineering of qinghua university, according to the result of three axes, define the concrete parameter utilize the model of non - linear e - b combined with the design cross section of dam in xiaolangdi, yellow river accept the total stress programme of thepd dam, and we analyze the stress and displacement of plastic concrete diaphragm wall by finite element method in comparison with the result of common concrete one. at same time, we consider the effect of the character of plastic concrete diaphragm wall which is composed of different gradients and adopting the level of stress and pulling stress infers whether the plastic concrete diaphragm wall is safe or not

    地下連續墻是一種歷史較短的施工方法,目前,砼防滲墻的設計還是以傳統的設計方法為主,根據查找國內外文獻資料,華東建築設計院王衛東利用地下連續墻與樁在豎向荷載作用下的工作性能有相似性,將適用於樁基的poulos彈性理論引入對地下連續墻的沉降計算中;清華大學水利水電工程系濮家騮、于玉貞根據三軸試驗結果確定混凝土的參數,利用非線性e - b模型,結合黃河小浪底土石壩設計剖面,採用thepd土石壩總應力程序,對深覆蓋層塑性混凝土防滲墻的應力、位移進行有限元分析,並與普通混凝土防滲墻計算結果加以對比,同時分析了不同配比塑性混凝土特性的影響,並採用應力水平和拉應力數值來判斷塑性混凝土防滲墻的安全程度。
  13. It has also pounded the keys, devices, disposition of surveyed spots, measure method and procedures, data gathering and process ( relation with construction workmanship ), error analysis and adjustment, control precision and rules, mechanism and method of control, tables of records, results and discussion. after completion, the bridge has good behaviors in dead loads state, cable forces, shape style of main beam, stress and strain of concerned sections, displacements of the tower top, which assure the reasonable state of cables, main girder and towers, and safe under running, demonstrate supervision

    通過課題研究與實橋運用,荊州長江公路大橋斜拉橋施工過程各狀態和成橋恆載狀態下,斜拉索索力、主梁線形、主梁關鍵截面應變、索塔塔頂水平偏位等關鍵項目的施工控制結果均滿足設計期望值的要求,滿足橋梁施工范圍的要求,大橋主梁線形流暢,斜拉索、主梁和索塔三大體系的受力狀態合理,橋梁結構安全可靠,大橋的監測監控取得了圓滿成功,並為該橋營運階段的長期監測監控奠定了良好的基礎。
  14. Firstly, on the base of analysis and summarize already existing every kind of means to calculate the settlement of the foundation, and combinating stress peculiarity of the rigid pile in rigid - soften composite piles foundation, lodge a new method named utmost stress to calculate the settlement of it. it was proved useful with the practical example. besides that, bring forward a criterion that the calculation of the settlement must be bigger than the observation of it for 30 % to discriminate a method between safe and unsafe

    剛柔復合樁基應用的關鍵是控制基礎沉降,本文首先在分析和總結已有各種沉降計算方法的基礎上,結合剛柔復合樁基中剛性樁和柔性樁的受力特點,提出了一種剛柔復合樁基沉降計算的新方法?極限應力法:在修正應力法的基礎上,假設剛性樁的實際承載力達到其設計承載力極限值,則樁土應力比易於確定,從而可得復合樁基的總沉降量。
  15. The control parameters and growth lives of cracks are calculated using the method of submodel. come to the conclusion that the results of life is safe while the average stress at crack is used as the remote tensile stress

    研究表明,採用子模型法求裂紋擴展壽命研究時,用裂紋面原有位置處的中值應力作為遠場應力,可以得到偏安全的計算結果。
  16. After static and dynamic analysis, we get the conclusions that the structure is safe on the static loadings, but on the dynamic loadings, the maximal stress is about 334mpa, which excesses the bearable stress. so the dynamic loading is the main cause of the boom fractures

    通過靜強度與動強度分析,得出了工作裝置在靜載荷下結構是安全的,而動載荷作用下最大應力達到334mpa ,超過了結構的許用應力,說明動載荷是影響大臂破壞的主要原因。
  17. Timely monitor of their stress in each working conditions can ensure the safe of support and main arch circle with full - automatic data acquisition system. the results of dynamic - load and dead - load test of the bridge indicate that the main arch has enough strength and rigidity and reachs design requirements

    使用全自動數據採集設備和處理系統,對每一工況下的支架、拱圈應力進行適時監控,確保了施工過程中支架和主拱圈的安全。成橋靜動載試驗表明許溝大橋主拱結構具有足夠的強度和剛度,達到了設計要求。
  18. Flexural torque and the stress. this text research on the design of antislide pile chiefly and discuss the principle and the method as well as the process of caculation of antislide pile routine design. it also put the reliability theory into the antislide pile design, deduced specific calculated formulation, set up the fail - safe analysis model and represent the application process of reliab ility theory when put it into the antislide pile design. at last, it analysed the utility of reliability theory. given out the parameter sensing analysis and described the retaining wall reliability analysis principle as well as the method

    本文對邊坡治理工程中抗滑樁設計進行了重點研究,論述了抗滑樁常規設計的原理、方法及計算過程,將可靠性理論引入抗滑樁設計中,推導出具體的計算公式,建立了可靠性分析模型,闡述了可靠性理論在抗滑樁設計中的應用過程,實例研究了可靠性理論在抗滑樁設計中的實用性,給出了參數敏感分析。
  19. Safe working stress

    安全工作應力
  20. Using the technique effacing to the object, the system include the safe monitoring to the key bam, the side slope and the underground engineering which relate to more than ten monitoring items such as distortion, stress ( meet an emergency ), seepage, temperature, water level and so on

    系統採用面向對象的軟體開發技術,包括了對壩體與壩基安全監測,邊坡穩定性安全監測和地下工程安全監測,涉及變形、應力(應變) 、溫度、滲流、水位等十多項監測項目。
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