橋梁動載試驗 的英文怎麼說
中文拼音 [qiáoliángdòngzǎishìyàn]
橋梁動載試驗
英文
bridge dynamic loading test- 橋 : 名詞1. (橋梁) bridge 2. (姓氏) a surname
- 梁 : 名詞1 (屋架中架在柱子上的長木) beam 2 (通常也指檁) purlin 3 (橋) bridge4 (物體中間條狀隆起...
- 載 : 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 ...
- 試 : 名詞(古代占卜用的器具) astrolabe
- 驗 : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
- 橋梁 : bridge; approach
- 試驗 : trial; experiment; test
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In order to ascertain the character of cable - replaced bridge, in addition, the thesis calculates mode shapes and natural frequencies of the bridge using algor software and estimates the result of dynamic load test and calculation in details
為了評價換索后橋梁的工作特性,最後利用algor軟體對換索后的結構進行了振型和自振頻率分析,並對動載試驗檢測和計算成果作了詳盡的分析和評價。Dynamical load test used in bridge test and evaluation
動力荷載試驗在橋梁檢測評估中的應用Analysis system for bridge test ( qljc in chinese ) is an application software specially designed for bridge test to build spatial fem model of bridge structure with beam elements or solid elements, analyze the static and dynamic character of bridge structures, calculate efficiency ratio of load test, pick up the results of observation points and so on
摘要橋梁結構檢測分析系統qljc是針對橋梁檢測試驗分析開發的專用軟體,能夠建立橋梁結構空間有限元模型,運用實體單元法和空間梁格法進行靜動力試驗分析、試驗荷載效率計算,查取測點位置理論計算值等。Dynamic and static tests are needed in order that the construction characteristics and forced conditions must qualify for the requirement of designing standard and safe run, at the same time, the test can give a reference of the bridge designing
檢驗橋梁結構特性及其工作狀態是否符合設計標準和使用要求,以保證橋梁今後的安全運營,需要對已建成橋梁進行動靜載荷載試驗。通過動靜載荷載試驗為橋梁結構設計提供參考依據,是橋梁建設中必不可少的一個重要環節。The paper sums up the construction technique of qinjiatuo super bridge in all : consolidating the soft ground foundation with vibrating & impacting macadam piles ; constructing the bored cast - in - place piles under the complex geological condition ; developing and researching cable - stayed handling basket with the bearing capacity of 3000kn ; beam construction ; construction technique of the new type bridge deck and dynamic & static load test
本文全面總結了覃家沱特大橋施工技術:振沖碎石樁加固軟弱地基、復雜地質情況下鉆孔樁施工、承載力3000kn斜拉式掛籃開發與研製、梁部施工、新型橋面鋪裝層施工技術及動靜載試驗。Seven chapters are included in this thesis. the first chapter is the introduction about the necessity of bridge detection and common defect of the bridge. the second chapter introduces the structural basic condition and defect details of the bridge. the third chapter describes the preparation for the detection work. including the overall investigation of the diseases and the condition at operation, the set - up of loading test and control measures and structural computation. the 4th chapter is on - the - site detection, which consists of static and dynamic tests and necessary data collecting for analysis and evaluation. the 5th chapter is the analysis of detention data. according to collected data of loading tests, the results of static and dynamic tests are analyzed. the 6th chapter evaluates the strengths, rigidity. stability and dynamic characteristics of the bridge, so that the conclusion can be reached. the 7th chapter is summarization
第六章是檢測評定結論,全面評定該橋的強度、剛度、穩定性和動力特性,從而給出檢測評定結論。第七章是總結,在對本項目的工作內容和工作特點進行總結的基礎上,指出了舊橋檢測存在的問題以及今後發展的方向。同時,通過對本次檢測工作的研究,初步形成了一套特大跨徑舊鋼橋的檢測評定方法,即:全面的病害和運營狀況調查、現實狀況計算分析、制定加載試驗方案和加載控制措施、加載試驗、綜合橋梁分析專家評定。1. after a series of comprehensive testing and structure analysis to various bridges on the guangshe, huning, jinqin, shenshan, jingguang. ln our opinion, the key problems of the railroad bridge are as follows : ( 1 ) bridge construction is not well at the request of the railroad train speed - lift, primarily because of low dynamic property of the horizontal frame ; ( 2 ) the bad liability of the bridges structure, concrete beam ' s horizontal plank coupling form ; the low capacity of some of the bridges
在對廣深、滬寧、京秦、沈山、京廣干線上不同橋梁結構進行的一系列綜合試驗的結果分析后認為,我國鐵路橋梁目前存在的主要問題為:橋梁結構不適應列車提速的要求,主要反映為結構橫向的動力性能較差;橋梁結構的耐久性問題;混凝土梁的橫隔板聯結方式;部分橋梁承載能力不足。4. it is shown from the dynamic test results that the effects are different at the different places with the same load, the impact changes with the different velocity of the truck, which affects the deflection of the bridge. 5
4 、從此次動載試驗結果可以看出,同一荷載橫向布置不同,對橋梁結構的動力影響不同,不同車速對橋梁沖擊作用不同,會使橋梁結構的動撓度發生變化。Using the model parameter from the dynamical experiment, the integrated parameters can be disassembled, thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved. it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy, and it can give reference to evaluate the load capacity of bridge. in the end, in order to assess the existing bridge ' s seismic resistance performance, force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods
另一方面,由動力相似理論建立了室內模型,並進行室內動力試驗,藉助量測到的模態參數分解出綜合參數,可以反推結構頻率及振型參與系數。試驗結果、有限元計算值表明,本文建立的模型概念明確、計算方法簡便、精度較高,可以為動測法評定橋梁結構承載力提供參考。最後,從延性的角度給出強度折減系數來考慮結構進入彈塑性階段的地震力,從而對橋梁的抗震性能做出評價。分享友人