負荷截面 的英文怎麼說
中文拼音 [fùhéjiémiàn]
負荷截面
英文
cross section of load-
Because traffic flow greatly increases in recent years and the rank of actual driving load enhances, causing this bridge to be at the excess load the service condition, so in order to guarantee the bridge ' s transport security, the main body structure of the bridge should be reinforced
摘要長沙市八一路跨線橋由於近年來交通流量大增，實際行車荷載等級提高，使得該橋處于超負荷的營運狀態，為了保證大橋營運安全，需要對此橋的主體結構進行加固，在選擇加固方案時對比了三種加固方法：鋼混凝土組合結構加固方法、混凝土結構擴大截面加固方法、粘鋼加固方法。( 3 ) it is known that load effect is not consistent with the section resistance incommon section continuous composite beam. a kind of composite beam with itsrational section size is suggested, which is consist of the t shape concrete beam andsteel girder. this kind of composite beam not only has enough carrying capacity, almost has same positive and negative resistance moment, but can decrease theamount of the steel
（ 3 ）分析可知連續組合梁的跨中、支座截面處荷載作用效應及截面抗力規律不匹配，本文提出了採用t形混凝土梁和工字鋼代替一般的混凝土板和工字鋼的組合梁截面形式，並給出了截面尺寸比例，能使正負截面抵抗矩接近，符合組合梁受力特徵，減少了材料用量，滿足承載力和剛度等要求。Integrating the results obtained by nonlinear fem analysis and structural behavior analysis, with the section shape and rdw being variables, the function for lebr is proposed. 6 all the reinforcement in the specimens, longitudinal bar and transverse stirrup, is of grade hrb400
基於非線性數值分析及結構行為分析結果，研究了荷載效應負載率的影響因素，並確立了該參數以截面形狀和肢厚比為自變量的數學模型，為截面設計創造了條件。No matter with or without flange, the longitudinal strain in limbs roughly coincides with bernoulli ' s principle. 5 based on strain distribution status found in experiments, the internal force evaluation approaches are suggested. then, the structural behaviors are investigated in detail, and the concepts of pl and leffr are introduced
從墻肢應變分佈研究入手，建立了截面內力計算模型，深入研究了短肢墻結構內力大小及其分佈規律，建立了土墻肢及主墻肢荷載效應負載率等基本概念。Based on strain distribution acquired in experiment, the internal force evaluation model is set up, then, the structural behavior of slw are investigated in detail. combined with the nonlinear fem results, the structure behaviors are expressed in the concepts of " principal limb " ( pl ) and " load effect bearing ratio " ( lebr ), and the function for lebr determining is put forward, which may be used in the practical section design
本文進行了國內首例短肢墻結構體系低周反復試驗；基於試驗實測的墻肢應變分佈，擬合了墻肢截面的應變分佈規律，並進行了短肢墻結構內力大小及其分佈規律的分析，建立了墻肢荷載效應負載率的數學模型，為實際工程的截面設計創造了條件。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。But there are some problems in normal turbocharger, for example, the low speed engine torque is deficiency, the engine ca n ' t works with full capacity when in part load, the transient response remains slow, to improve all the above, the variable geometry turbocharger ( vgt ) comes out to be an effective way
由於常規渦輪增壓存在低速轉矩不足、部分負荷經濟性差和瞬態響應遲緩的問題，而採用可變幾何截面渦輪增壓是解決這些問題比較有效的方案。本文以vgt60增壓器和yn4100qbz柴油機為研究對象，開發了可變幾何截面增壓器電控系統硬體。分享友人