預彎曲 的英文怎麼說
中文拼音 [yùwānqū]
預彎曲
英文
prebuckling-
To study the flexural behavior, ultimate bearing state and laws of internal force redistribution of prestressed concrete continuous beams cast by different construction methods, the model tests for three pieces of the continuous beams were carride out, in which three kinds of the construction methods, such as those of lowering formwork supports at one time, transferring simply - supported structure into the continuous one and casting the beam by cantilever construction, were considered
摘要為研究不同施工方法下預應力混凝土連續梁的彎曲性能、極限受力狀態及內力重分佈規律，進行了3根連續梁模型試驗，分別考慮一次落架、簡支變連續和懸臂施工3種施工方法。Linear predictive coding ; lpc prediction error ; cepstrum ; dynamic time warping
線性預測編碼lpc lpcpe線性預測誤差倒譜動態時軸彎曲或動態時間規正dtwHere we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements
Cfrp加固梁在承受彎曲荷載時的破壞是鋼筋屈服后碳纖維斷裂和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義，由給定的cfrp橫截面積預測加固梁的極限彎曲強度；或者相反，在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截面積。It is determined that with accurate knowledge of the complete stress - strain curve of concrete in compression, steel in tension, and with an iterative computerized non ? linear method, it is possible to predict the entire moment - curvature, moment - flexural rigidity and axial rigidity relation ship of a cross - section of a structure member
可以確定，只要知道混凝土受壓和鋼筋受拉的完整的應力應變關系，採用選代的非線性計算方法，就有可能預測結構截面彎矩一曲率、彎矩一彎曲剛度和軸向剛度的關系。By using 5000kn pressure - bent testing machine, the specimens of boulder concrete and crushed stone concrete were tested through three - point - bending method and wedge - split tensile method, the scale division of the index dial of pressure - bent testing machine is larger, whereas the predicted test - load is lesser, so the velocity of exerted load is controlled through observing the reading of the multimeter which is connected with the collecting systerm in order to continuously exert test - load
本文使用5000kn壓彎實驗機，對不同強度等級的卵石混凝土和碎石混凝土試件分別進行了三點彎曲試驗和楔入劈拉試驗。試驗過程中，由於實驗機噸位較大，而試驗荷載預計較小，為了能夠有效地控制加載大小和加載速度，採用通過觀察與荷載傳感器相連的萬用表讀數控制加載速度的方法，連續加載。It was shown that the dimension analysis was an effective method in simulating the complex laser bending process, and the control model that came from non - dimensional group data of simulations, was a high - accuracy model in predictive analysis
研究結果表明，利用量綱分析法模擬復雜的激光彎曲過程是簡便有效的，基於模擬模型無因交次群組合的設計相應的參數可使控制模型達到較高的預測精度。Prediction of the bending property of worsted fabrics
精紡毛型織物彎曲性能預測途徑探討Steel strip sheaths for prestressing tendons - test methods - to - and - fro bending test
預應力鋼絲索用鋼帶護套.試驗方法.反復彎曲試驗According to the geological survey on no. 316 national road from zaoyang to shuhe in the southern shaanxi province, five deformation and failure patterns of the slope in soft metamorphic rock are concluded and analyzed in detail, for effective forecast and economical treatment of slope hazard
本文通過對陜南316國道早陽蜀河段的實地調查，歸納了該路段軟弱變質巖邊坡的變形破壞特徵，總結出順層滑動、彎曲傾倒、楔形體滑動、潰曲破壞以及滑移拉裂5種典型的病害模式，並對每種變形破壞模式進行了具體的實例分析，從而為邊坡成災預警和選擇經濟有效的治理對策奠定基礎。Comparisons made between experimental data and a theoretical fatigue model show good agreement, which can be used to predict the fatigue residual modulus of composites
通過對彎曲疲勞加載后的剩餘模量進行理論分析，驗證了理論分析和實驗數據之問的一致性，為實際預測復合材料剩餘模量提供了依據。The influences given by process parameters of presetting and alkali deweighting on the fabric strength, elongation and bending rigidity are discussed and analyzed on the basis of experiment
通過試驗分析探討了預定型和堿減量各工藝因素對于織物的斷裂強度、斷裂伸長和彎曲剛度等方面的具體影響。It ` s suitable for the bend and deformation of the metal plates and it can roll the round and arcshapes and the cone ones within its specified ranges. it has the function of prebending the plate at both ends. the two lower rollers are the driving ones and can make the horizontal movement ; and the upper is a driven one and can make the up and down movement. the moving manner includes the mechanical and industry, boilers, shipbuilding, metal structure, machine manufacture and other trades, especially for the roll the steel trunks with smaller diameter and longer length in power transmission and trandform and other trades
該機適用於金屬板材的彎曲成型，可卷制圓形，弧形和一定范圍的錐形工作，並有板材端部預彎功能，本機型兩個下輥為主動輥並可水平移動，上輥為從動輥上下移動，移動形式有機械式和液壓式，傳動軸均採用萬向連軸器連接，它廣泛適應于石油化工鍋爐造船金屬結構及機械製造行業，特別適用於送變電行業等直徑較小長度較長鋼管桿的卷制On the basis, three elastic calculation coefficients of the two - way composite slab on three common boundary conditions are deduced and calculated by applying the classic elastic plane theory. in the thesis, the elastic design methods of pk prestressed composite two - way slab is explored and studied by the example. furthermore, it is also studied how to apply the yield - line design method to design the prestressed two - way composite floor slabs
本文以此為依據，應用經典彎曲薄板理論，採用李維法推導和計算了這種雙向樓板三種常見邊界下的撓度和內彎矩彈性計算系數，並在此基礎上通過算例探討了pk預應力雙向疊合樓板的彈性設計方法，同時還對其塑性鉸線設計方法進行了研究。Post - tensioned pre - cast concrete simple - supported girder for railway bridge pro - stress
預應力混凝土鐵路橋簡支梁靜載彎曲試驗方法及評定標準Experimental study on the flexural behavior of externally prestressed concrete continuous beams
體外預應力混凝土連續梁彎曲性能試驗研究The tendons of unbounded ppc have smaller fraction force and are easier to bend to many shapes, so it is more suited for building these rooms whose span are large
無粘結預應力筋摩擦力小，且易彎曲成各種形狀，特別適合建造需用復雜的連續曲線配筋的大跨度樓蓋和屋蓋。Secondly, two carbon fiber reinforced composite beams were fabricated, and their modal frequencies were measured by an experiment method. thirdly, delaminations were modeled by pairs of nodes with the same coordinates but different node numbers, while the modal frequencies of these beams with different delamination location and size were computed by an eas piezoelectric solid element. moreover, a novel method combining computational mechanics and neural network was demonstrated for composite health monitoring ; the first five flexure modal frequencies obtained by fem were modified by a primary revising approach and were used to train the neural network
本文較全面地評述了神經網路的應用模型、改進演算法等，編制了bp神經網路程序：制備了纖維增強復合材料試件，並進行實驗模態分析；利用坐標相同、節點號不同的方法模擬脫層損傷，基於eas列式的壓電固體單元計算了不同脫層損傷情況下的頻率信息；針對基於實驗數據訓練神經網路存在樣本不足的缺陷，本文提出了利用有限元方法對含有脫層損傷的復合材料試件進行數值模擬，以前五階彎曲模態頻率構建訓練樣本的新思路，並提出了一種初步的計算值修正方法，以此構建神經網路的訓練樣本：將實驗模態分析的結果送入訓練好的神經網路進行預測，實現了對復合材料梁的脫層損傷的定位和損傷程度的評估。Firstly, the parameters controlling ductile crack growth are gotten from the resistance curve result of standard 3 point bending specimen, then the resistance curves of the tension specimen for the welded joint with different strength mis - matching are predicted based on the cell model
首先由標準三點彎曲試件的阻力曲線，得出反映材料微觀損傷的特殊單元模型控制參量，再根據該參量對不同接頭強度匹配下雙邊缺口拉伸試件的阻力曲線進行了定量預測，其結果與試驗結果相當吻合。Choose from one of many preset styles including curved text, three - dimensional, and perspective effects
可以從彎曲文字、三維和透視效果等大量預設樣式中選擇一種。The structure of this machine is designed as asymmetrical 3 - roller structure form. this machine has the two functoins ; prdbending and circlerolling and is widely used in decoration, chemical industry, metal structure, raceway and oil pipe line, machine manufacture and other trades. the upper roller and lower roller are the driving ones and side roller is the driven one, the lower one lifts vertically and the side one moves slantingly. this machine is convenient in operation and maintenance. so it ~ sreally an ideal epuipment for bening and modilling the thin plates
本機械結構型式為三輥非對稱式，他具備預彎和卷圓兩種功能，廣泛應用與裝潢、化工、金屬結構、輸水輸油管道及機械製造行業，本機種上下輥為主動輥，側輥為從動輥，下輥垂直升降，側輥傾斜移動，操作維修方便，是金屬薄板彎曲成型的理想設備。分享友人