載荷因數測量 的英文怎麼說

中文拼音 [zǎiyīnshǔliáng]
載荷因數測量 英文
g-sensing
  • : 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 ...
  • : 荷名詞(蓮) lotus
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 載荷 : load; loading載荷變化 load fluctuation; variation in load; 載荷裝置 load device
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed

    本文介紹了微動損傷的機理和微動疲勞壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參化實體模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態的分佈;在已有微動疲勞壽命預模型的基礎上,引入頻率影響子,對低周、高低周復合作用下的燕尾榫聯接結構進行了微動疲勞壽命的預,與試驗結果對比表明採用本文提出的方法預榫聯接結構的微動疲勞壽命是有效的。
  2. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承力的素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模的確定,並提出相應的設計方法和修正參;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質方法進行了較全面的探討。
  3. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力系統的理論模塊,包括根據snell原理,研究極限折射縱波的激發機理,並使用有限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式,並對其中參的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱波無縫焊接鋼軌溫度應力的方法,即固定距離聲時法、臨界角折射法和頻譜分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱波溫度應力的幾個素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、有機玻璃楔塊、固定件、外框裝置等。
  4. In order to study the burning of the oil film bearing in high speed wire - rod mill, on - line tested temperature and operating mode of oil film bearing in a domestic framework of finishing mill f15 were determined and a large number of valuable test data were obtained

    摘要為了研究高速線材軋機油膜軸承燒損原,對國內某高速線材精軋機f15機架油膜軸承工況及工作溫度進行了在線試,獲得了大有價值的試驗據。
  5. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中,由於受其自身及外界各種素的影響,常常會產生一些缺陷,對結構物的承能力和耐久性造成嚴重影響,採用無損檢技術進行質和健康診斷,這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢方法展開研究工作,重點討論了超聲波法檢混凝土結構裂縫的基本原理和方法及其特點、適用范圍,運用動力有限元值模擬其檢過程,探討了有裂縫缺陷的混凝土結構在脈沖作用下彈性波的傳播及其變化特徵,研究了不同裂縫深度下首波相位變化規律,得出了反轉臨界點與裂縫深度之間的關系,這對實際工程應用具有指導意義。聲波ct是一種新的無損檢技術,它是利用聲波穿透被檢體獲取聲波接收時間,來進行計算機反演成像的技術。
  6. It is the researchful purpose of this paper that the methods of appraising the existing structural reliability basing on own information are found, which will impel the methods of appraising the existing structural develop from applied methods to probability methods. the contents of this paper have mainly four, including : firstly, the normal value of permanent load in the existing structure is ascertained by the way that is called bayes - small capacity, which considers the dates of design and the road - test dates. secondly, by introducing the random variable that is statistical ambiguity, the statistics of loading and resistance of existing structure are researched

    本文研究目的是針對現有結構的特點,建立基於自身信息的現有結構可靠性的實用評定方法,推動我國的現有結構可靠性鑒定方法由實用鑒定法向概率鑒定法發展,主要研究內容包括四個方面:一、結合結構原設計據和現場抽樣實據,研究了恆標準值的統計推斷方法,提出bayes小樣本統計推斷方法;二、利用統計不定性隨機變,結合現有結構的特點,提出、抗力變異性的小樣本統計推斷方法;三、分析了現有結構抗力變異性的主要影響素,並利用實據進行了實例分析;四、針對現有結構自身的、抗力統計特性,研究了現有結構承力的校核表達式,對恆、抗力分項系提出修訂建議,建立了基於自身信息的現有結構可靠性實用評定方法。
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