dynamic load test 中文意思是什麼
dynamic load test
解釋
動負載試驗（航）-
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。 -
It is difficult to test the moving - load - induced dynamic vertical displacement of a floating bridge, because the vertical displacement of a floating bridge consists of the contributions from the structural deformation, the variations of the gaps between the pontoons and the variation of the draught, and it is much larger than that of an immovable bridge
摘要通載浮橋的動態位移，由於其位移幅度相對于固定橋要大得多，而且其垂向位移是由結構變形、間隙變化以及吃水變化等多種因素引起，一般難以對其進行動態位移測試。 -
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。 -
The main beam of type 4sw - 40 potato digger easily engenders crack or breaking damage in the practical application. therefore, by means of modern test technology, the paper does some research on the vibration of the separating sieve and its influence on dynamic load of the main beam under the condition of laboratory
4sw ? 40型馬鈴薯挖掘機在實際生產中主粱易出現裂紋或斷裂破壞。為此，本文提出在實驗室條件下，利用現代測試技術，就分離篩的振動及其對主梁的動載作用作研究。 -
The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate
結果表明，動態測試過程穩定，所設計和製造的集流環完全滿足試驗要求，測試數據可以用於結構載荷譜的編制和疲勞壽命分析。 -
Hangzhou grand theater ' s main part is 170m long and 136m wide, and the surface of it is consisted of ellipsoidal surface roof and conical surface gladding. based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and wind load factor of long - span combined structure consisted of ellipsoidal surface roof and conical surface gladding subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained
本文採用風洞模型試驗和計算機數值計算相結合的方法，對杭州大劇院大跨度橢球屋蓋和倒圓錐面幕墻組合結構的風振機理、風振形態、風振響應以及風振系數進行了較系統的研究，取得了有意義的結論。 -
Dynamic test has been performed on three strengthened girders after they were being put into service. according to the measured data from the dynamic test and the calculated results of the proportion of the load distribution on steel diagonal braces and steel crane girders as well as the increased carrying capacity after strengthening in consideration of the principle of cooperative work between braces and crane girders, the feasibility, rationality, and economy of this strengthening scheme have been verified. this scheme can be applied extensively to strengthen crane girders system including concrete crane girders system hereafter
最後結合對已經加固施工並投產使用的3榀鋼吊車梁的現場實際動測結果，按考慮下部鋼斜撐與鋼吊車梁二者協同工作的原理對鋼吊車梁與下部斜撐之間的荷載分配比例以及加固后鋼吊車梁的承載能力進行了進一步的計算驗證和對比分析，論證了採用鋼斜撐方案加固已有鋼吊車梁的合理與有效性。 -
The mathematic model of predicting the horizontal load subjected to aeroplane undercarriage tyre based on the drop - tests was built by analyzing dynamic loads acting on drop - test platform which is supported by three - poles, and the coefficients in the mathematic model were determined by means of the least - square method according to the results of static tests
摘要通過分析3點支撐落震平臺的動態受力情況，確定了起落架機輪投放到落震平臺上后，落震平臺水準方向的各種載荷情況，從而利用測量落震平臺水準載荷的間接測量方法，建立了起落架機輪水準載荷測量方法的數學模型， ?採用在落震試驗臺水準方向上進行試驗標定的方法，確定了數學模型中的有關待定系數。 -
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。 -
Abstract : the results of hi - lo strain - gauge test on 9 dead - load testing piles are analyzed. the bearing strength of single piles is evaluated preliminarily by using high strain and low strain process and conditions for correlating dynamic and dead loads and technical factors affecting the test accuracy are discussed
文摘:通過對一組靜載試驗樁高低應變動測結果的分析，對高應變法、低應變法檢測單樁承載力的可靠性作出了初步評價，並對動靜對比成立的條件及影響其測試準確性的一些技術因素進行了探討。 -
Dynamic load test of pile
樁動荷載試驗 -
Secondly, choose the sample component, as different particle match of tungsten carbide and specifically heat treatment craftworks of solution and aging manufacture test piece, watch metallurgical structure of the test piece and do the tests of hardness and tension, at last do the abrasive wear test on the dynamic load abrasive wear test machine, analyze test datum, from the test data, conclusions are arrived that the hardnees of composite - alloy can be improved and wear - resistance be better by adding cr and other elements according to a given ratio
本文對rp中速磨煤機耐磨件進行了運行與磨損情況分析，研究、提出了制備磨輥和盤瓦復合合金成分配比；並對製作的試件進行了固溶、時效等特定的熱處理工藝，觀察試件金相組織，進行機械強度試驗，最後做磨料磨損試驗，對磨損失效機理進行了深入的研究分析，對其耐磨性能與低合金鋼、高鉻鑄鐵進行了對比。 -
Based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and equivalent wind load factor of the long - span grid roof of taizhou stadium subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained. in the matter of wind tunnel tests, the distribution rules of roof under various wind directions are obtained through the data got from the wind tunnel tests for rigid model of long - span grid roof of taizhou stadium
在風洞試驗方面，通過對臺州體育中心屋蓋剛性模型在模擬大氣邊界層風洞中進行的不同風向角下的風洞試驗所得數據的研究，獲得了結構在各種情況下的屋面風壓分佈規律，並且繪制了臺州體育中心屋蓋在各個風向角下的屋蓋平均風壓系數和脈動風壓系數分佈等值線圖。 -
Considering that the load was added in steps, dynamic design based on in - sile test parameter is an effective and practical method. based on the author ' s experience of djm composite ground engineering, and two projects of highway djm composite ground, it systemically analyzed and summarized the in - site test result as well as the settlement deformation, pore water pressure dissipation, deep horizontal displacement, stress ratio, stress of pile. etc. it also compares the in - site test results of djm composite ground with or without rigid bearing stratum, and draws many practical conclusions
根據筆者多年粉噴樁加固路基工程的經驗，結合兩個高等級道路粉噴樁加固路基工程實例，全面系統地分析和總結了現場試驗路段試驗結果，對攪拌樁復合地基沉降特性、孔壓消散特性、深層水平位移特性、樁土應力比、樁身應變等作了深入細致地分析，對有硬持力層和無硬持力層（浮樁）的粉噴樁復合地基現場試驗結果作了對比，得到了許多有應用價值的結論。 -
The test results demonstrate that this prototype has excellent comprehensive performances such as small bulk, lower weight, high efficiency, high steady precision, fast dynamic response, wide range input voltage, good output waveforms, strong over - load and short - circuit ability, and strong function with different nature load and three - phase unbalanced load
試驗結果表明，該變流器具有體積重量小、變換效率高、靜態精度高、動態響應快、輸入電壓變化范圍寬、輸出波形質量高、過載與短路能力強、帶不同性質負載和帶三相不平衡負載的能力強等優良的綜合性能。 -
The load capacity and damage degree of bridge are detected by the curve of the transformation of vibration frequency in different attached load and different damage. a conclusion that the attached load method improves the of vibration frequency sensitivity to the physical property parameters of bridge structure is drawn at last. and the same time the paper bring forward a new and convenient technique of dynamic load test - - the attached load method
通過振動頻率在不同的附加荷載作用下、不同破損情況下的變化曲線來確定橋梁的承載能力以及破損程度，得出了附加荷載法改變了振動頻率對橋梁結構物理參數的弱靈敏性這一結論，提出了一種更為新穎、快捷的橋梁承載能力的動荷載檢測方法? ?附加荷載法。 -
By the dynamic stress test, the stress spectrum of cross sustaining device ' s weaking section is obtained, then the loads of cross sustaining device for the speed increased freight car in utilizing condition is identified, which offer the foundation for the load of the fatigue test
摘要通過動應力測試得到交叉支撐裝置疲勞薄弱部位在線路運行中的應力譜，從而識別出提速貨車交叉支撐裝置在運用工況下的載荷，為其室內疲勞試驗加載提供依據。 -
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。 -
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。 -
Through the test of the separating sieve ' s and beams vibration acceleration, the dynamic bending moment, torque and shearing force as well as the analyze of each parameter by dividing rotation speed range from 300 r / min to 600 r / min of the main shaft, the change regularity of the vibration of the separating sieve, the vibration and the dynamic load on dangerous cross section with the change of rotation speed of the main shaft is obtained. research shows that there exits apparent relevance between the vibration as well as the dynamic load of the main beam and the vibration of the separating sieve. the vibration of the separating sieve mainly affects the composition of low frequency of the vibratio n of the main beam, appropriately amending the vibration acceleration of the separating sieve, the loading and vibration of the mam beam can be directly improved
通過分檔測試主軸轉速在300 600r min范圍內分離篩與梁的振動加速度、梁所承受的動態彎矩、扭矩和剪力以及各參量的時頻域分析，得到了主軸轉速與分離篩振動、主梁的振動及其危險截面的動態載荷間的變化規律，研究表明梁的振動和其所承受的動載與分離篩的振動之間具有明顯的相關性，分離篩的振動主要影響梁振動的低頻成分，適度改善分離篩的振動加速度，可直接改善梁的負載和振動特性。
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