支點壓力 的英文怎麼說
中文拼音 [zhīdiǎnyālì]
支點壓力
英文
bearing pressure-
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。Considering that no phase transition of enstatite with perovslite structure were found during these static high pressure experiments, the consistence of the bulk modulus also supports that the high pressure phase of perovskite structure of enstatite is stability between 50 - 140gpa
考慮到靜高壓下的數據是在實驗中未發現頑火輝石高壓相有相變的情況下得到的。因此,動高壓與靜高壓實驗數據的一致性支持了在80 ? 140gpa壓力內預火輝石的高壓相保持穩定的觀點。Objective : to investigate the effect of pumpless portosystemic bypass in clinical piggyback liver transplantation. methods : after catheterized inferior mesenteric vein, the silastic catheter ( filled with heparin saline ) was connected with the catheterized tube of internal jugular vein or subclavian vein in four piggyback liver transplantation patients. the channel was opened after the portal vein was occluded. the portal vein blood poured into the superior vena cava through the pumpless channel. the changes of mesenteric congestion, portal vein pressure, blood pressure and pulse were observed. results : during the occlusion of portal vein, the portal vein pressure was increased greatly, the intestine was congested and swelled obviously and the blood pressure and pulse fluctuated gently. after the pumpless bypass opened, intestinal congestion and swell were abated markedly, the portal pressure, blood pressure and pulse gradually returned to normal range. conclusions : pumpless portosystemic bypass shows a great effect on clinical piggyback liver transplantation. it is a feasible and economical method
目的探討背駝式原位肝移植術中採用體外門-體靜脈無泵轉流的臨床效果.方法4例行背駝式原位肝移植患者,腸系膜下靜脈屬支插管經體外硅膠管(充滿肝素鹽水)與頸內靜脈或鎖骨下靜脈插管相接,在阻斷門靜脈后開通腸系膜下靜脈插管,門靜脈血從體外無泵轉流管流入上腔靜脈,觀察轉流前後腸道瘀血、門靜脈壓、血壓、脈搏等變化情況.結果門靜脈阻斷后腸道明顯瘀血、腫脹,門靜脈壓力明顯升高,血壓、脈搏有不同程度的波動,無泵門靜脈轉流開放后,腸道瘀血、腫脹明顯好轉,門靜脈壓力逐漸恢復正常水平,血壓、脈搏恢復正常.結論背駝式原位肝移植術中體外門-體靜脈無泵流具有方便、經濟、實用等優點,具有良好的臨床效果This effect is due to the high radial compression produced by the external forces acting at the supports.
此種效應是由於作用在支點的外力所產生的高度徑向壓縮而引起的。Firstly, for the system of moulding board and support frame in construction the side pressure and screws are analyzed. the material and structure form of support frame are discussed. the design of support frame uses the method of limited state, and also it analyses the integer stability, part stability, and single stability, and then proposes the load analysis of multi - level support frame
首先,針對轉換層梁模體系及支撐架施工,重點分析了轉換層結構現澆混凝土對模板側壓力值及模板對拉螺桿的計算;討論了轉換層支撐體系的形式及構造,詳細論述了基於極限狀態設計的支撐架計算方法,包括縱橫向水平桿的強度驗算、立桿的整體穩定性、局部穩定性、單肢桿件穩定性等驗算,並提出了多層支撐架的施工荷載計算方法。Comb tenon docking machine, refers meets machine, meets the wooden devices mh1520 - 1560 series product characteristic : the high performance water hydraulic pressure dynamic system, the engaging force strong, the movement is smooth ; ( is mad ) the fluid cylinder for through the iso9001 authentication famous brand goods ; the unique design automatic accent compression connection puts all in one load sets, guarantees the entire supported joint tenon tail engaging force to be consistent, to be reliable ; the docking pressure may surpass 10 tons most greatly
梳齒榫對接機、指接機、接木機mh1520 - 1560系列產品特點:高性能水液壓動力系統,接合力強、動作順暢; (氣)液缸為通過iso9001認證的名牌產品;獨特設計的自動調壓接合裝置,確保整支接榫頭尾接合力一致、牢固;對接壓力最大可超過10噸。Key issues including water plugging types, waterproof board spreading methods, drop of external water pressure and lining design for resisting hydraulic pressure, etc. were studied, thus the composite waterproof and drainage system to control drainage were put forward, including grouting sphere for water plugging, primary support, grid sysytem for waterproof and drainage and lining to resist hydraulic pressure
重點就堵水方式、防水板鋪掛形式、外水壓力的折減以及抗水壓襯砌設計等技術問題進行了研究,提出了可通過注漿堵水圈、初期支護、防排水網格和抗水壓襯砌形成綜合防排水體系,它可以達到控制排放的目的。The thing that made it tough was that we have longevity in the league and that our fans look forward to being able to attend summer league and see a draft pick or a second year player
有一點壓力的就是因為我們是一支傳統強隊,很多球迷希望我們參加夏季聯賽並能簽下一位新秀或者二年級球員。Restoration ecology is ranked as one of three hotpots in biological realm as well as biological diversity and global climate change in recent years, which is one fresh branch of modem ecology. its primary research includes : the cause of degradation in ecosystem, techniques and methods of degraded ecosystem restoration and reconstruction, process and mechanism of ecology, research objectives of which are the destroyed ecosystems under the stress of natural catastrophes and human activities
恢復生態學與生物多樣性和全球氣候變化並列為生物領域的三大研究熱點,它主要研究生態系統退化的原因、退化生態系統恢復和重建的技術與方法、生態學過程與機理的科學,是現代生態學的年輕分支之一,其研究對象是一些在自然災變和人類活動壓力下受到破壞的生態系統。Not only t he self - weigh of every beam, the prestressing, the compression on the support of form scaffolding, constriction of concrete, creeping are considered when the inter nal force is calculated, but also the result of displacement and deviation of th esupport and precamber should be taken into consideration
施工階段的內力計算不僅考慮逐段施工梁的自重,預加應力,模板支架的支點壓力,以及混凝土的收縮、徐變;同時還應考慮施工程序,施工中的支座位移、支座偏差和預拱度等的影響。Connect wood machine product characteristic : the high performance water hydraulic pressure dynamic system, the engaging force strong, the movement is smooth ; ( is mad ) the fluid cylinder for through the iso9001 authentication famous brand goods ; the unique design automatic accent compression connection puts all in one load sets, guarantees the entire supported joint tenon tail engaging force to be consistent, to be reliable ; the docking pressure may surpass 10 tons most greatly
接木機產品特點:高性能水液壓動力系統,接合力強、動作順暢; (氣)液缸為通過iso9001認證的名牌產品;獨特設計的自動調壓接合裝置,確保整支接榫頭尾接合力一致、牢固;對接壓力最大可超過10噸。This paper expounds the meaning of ecological security, including the international and domestic discussion, the characteristic and research meaning of ecological security, and then expounds the definition of ecological security evaluation and research development on it. on the basis of this, the author puts forward the definition of grassland ecological security, named that within the range of specific space and time, the inherent structures, outside show and function of grassland ecosystem lies in a state that under existing natural environment pressure and social economic pressure and the mankind ' s positive responses, support and influence that its ecological service can offer to mankind ' s surviving and continuous development of society and economy make human life, production, health and development being in security ; at last expounds the principle of grassland ecological security evaluation and introduces some relevant evaluation methods
本文論述了生態安全的涵義,其中包括國際、國內對其定義的探討以及生態安全的特點和研究意義;接著論述了生態安全評價的定義及其研究進展;在此基礎上,提出草原生態安全的概念,即在具體的時空范圍內,草原生態系統的內在結構、功能和外部表現,在現有的自然環境壓力和社會經濟壓力以及人類的積極響應之下,其所能提供的生態服務對人類生存和社會經濟持續發展的支持和影響,使人類的生活、生產、健康和發展不受威脅的一種狀態。According to the feature of adamicearth, s engineering geology and calculation of engineering design, the chief problems about traditional calculation method in the earth pressure are studied refering to cantilever - type retaining pile in excavation engineering, and the calculation methods and specific advices are posed
摘要根據紅粘土工程地質的特點及工程設計計算,針對基坑工程中懸臂支護樁採用傳統計算方法在土壓力計算方面所存在的主要問題進行分析研究,並提出了具體處理意見和計算方法。Product characteristic : the high performance water hydraulic pressure dynamic system, the engaging force strong, the movement is smooth ; ( is mad ) the fluid cylinder for through the iso9001 authentication famous br goods ; the unique design automatic accent compression connection puts all in one load sets, guarantees the entire supported joint tenon tail engaging force to be consistent, to be reliable ; the docking pressure may surpass 10 tons most greatly
產品特點:高性能水液壓動力系統,接合力強、動作順暢; (氣)液缸為通過iso9001認證的名牌產品;獨特設計的自動調壓接合裝置,確保整支接榫頭尾接合力一致、牢固;對接壓力最大可超過10噸。Product characteristic : the high performance water hydraulic pressure dynamic system, the engaging force strong, the movement is smooth ; ( is mad ) the fluid cylinder for through the iso9001 authentication famous brand goods ; the unique design automatic accent compression connection puts all in one load sets, guarantees the entire supported joint tenon tail engaging force to be consistent, to be reliable ; the docking pressure may surpass 10 tons most greatly
產品特點:高性能水液壓動力系統,接合力強、動作順暢; (氣)液缸為通過iso9001認證的名牌產品;獨特設計的自動調壓接合裝置,確保整支接榫頭尾接合力一致、牢固;對接壓力最大可超過10噸。Recent years, the idea has been changed. code in deep excavation techniques ( jgj 120 - 99 ) has introduced rule of elastic brace, which can reflect essence better. another problem in deep excavation is space in construction is so limit
這一觀念在近年來得到很大的改變,新近頒布的《建築基坑支護技術規程》 ( jgj1l20 - 99 )在計算方法上採用了彈性支點法,對被動區土壓力採用土彈簧模擬,較好的反映了結構的受力和變形。The flexible retaining structure is another important retaining structure in soft soil. the integrated numerical analysis of this retaining structure ( including the methods and theory of calculating active earth pressure under sorts of conditions as well as the calculating method of horizontal stiffness coefficient of bracing structure and the method of deciding boundary condition etc. ) was gived. the effect of all parameters on the characteristics of retaining structure was discussed using methods of sensitivity - analysis
本文針對目前常用的彈性支點法,給出了完整的數值分析方法,包括各種條件下的墻後土壓力的計算方法和原理、支撐系統(或錨拉系統)水平剛度系數的計算、邊界條件的確定方法等,並以此為基礎採用靈敏度系數分析方法討論了各參數對圍護結構形態的影響,指出土體側向基床比例系數是影響圍護結構變形的最主要的參數。With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure
通過分析比較,論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優點,並為此編制了一個採用極限平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超長、土釘總力的大小等方面作了研究,得出了有關土釘的長度與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重點是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬度的合理確定、二階開挖及支護比一階時具有較多的工程優點等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。On this basis, regarding the rankine soil pressure theory as the prerequisite, the active earth pressure formula considering the deformation of braced structure has been set up. the calculation of active limit displacement in the formula has been researched, and proposes two methods ; all of which are applied to active soil pressure formula considering the deformation of braced structure. further, combine the project example, the active earth pressure formula considering the deformation of braced structure has been tested and confirmed its rationality
本文介紹了基坑支護結構的形式、特點,以及目前工程中基坑的設計計算方法,分析了土壓力的計算在基坑工程設計計算中的重要性;通過實測的基坑主動土壓力與支護結構位移的分析得出基坑主動土壓力與位移之間存在密切關系,在此基礎上以朗肯土壓力理論為前提建立了考慮基坑支護結構位移的主動區土壓力公式;並對公式中的主動極限位移的計算做了研究,提出了主動極限位移的兩種計算方法;把這兩種方法都運用於考慮支護結構位移的主動土壓力計算公式,進而結合工程實例,對考慮支護結構位移的主動土壓力公式進行了驗證,驗證了公式的合理性。In the flight experiment of aircraft, the mass data acquisition, storage and transfer is always one important part of system, especially for the measurement of parameters such as temperature and pressure of cockpit. in order to meet these needs, we design this simultaneous data acquisition system with multi - channel and large - capacity, which is based on single chip microprocessor and usb interface. it overcomes some shortcomings of traditional devices such as : big size, short work time, small memory capacity etc. it also has many advantages of high speed, low power dissipation, ease - of - use, ease to expand port, supporting plug - play, low - cost etc, so it will be used very widely
在飛機的飛行試驗中,海量數據的採集、存儲和傳輸一直是系統非常重要的一部分,尤其是對飛行員駕駛艙環境控制系統的溫度、壓力等參數的測量來說更是如此。本文根據課題實際需要,研製的基於單片機和usb介面的多通道、大容量、便攜式數據採集系統,克服了現有設備體積大、工作時間短、存儲容量小等缺點。同時,本系統還具有功耗低、速度快、使用方便靈活、易於擴展、支持即插即用、成本低廉等一系列優點,具有廣泛的應用前景。分享友人