longitudinal beam 中文意思是什麼

The box beam ' s temperature stress of longitudinal direction and transverse direction with different conformation are analyzed, it finds that there is largish temperature tensile stress in the bottom of top deck and the haunch of box beam increase temperature tensile stress in the bottom of top deck. the paper makes a study of different thermal effects resulted from several kinds of closed rigid frame

根據大量實測溫度場結果建議採用一個有利於理論推導的指數函數的公式來擬和箱梁體內的溫差分佈，既貼近實測數值，計算又比較簡單；通過對空腹式剛架拱橋尤溪洲大橋所在地夏季、秋季、冬季的溫度場及溫度應力的實測，以及與本文所提出計算方法的理論解進行的分析比較，證實了本文計算方法的正確，同時改進了已往混凝土箱梁溫度自應力的計算方法。

Sliding displacement of beam longitudinal bars in staggered joints is smaller than in ordinary joints, and the beam bar " overstrength in staggered joints is more serious than in ordinary joints when shear force is equal in the two types of joints

2在節點所受剪力相同的情況下，錯層節點中梁縱筋的粘結滑移比普通節點的要小，梁筋的超強更嚴重。

Fortunately, when a laser or charged particle beam is sent through a plasma, interaction with the plasma can create a longitudinal electric field

幸運的是，當雷射或帶電粒子穿過電漿時，與電漿的作用可創造出縱向的電場。

Elastic recoil detection technique with high depth resolution has been developed at the hi - 13 tandem accelerator of ciae. with high quality beam which was used for bombarding target, the recoils were detected with q3d magnetic spectrometer following a focal plane detector and a ae - e telescope detector with longitudinal double - room ionization chamber

該系統用高質量的重離子束轟擊薄膜或塊材靶樣品，利用q3d磁譜儀及其焦面探測器和縱向型雙電離室e ? e望遠鏡探測器兩套探測系統，在前角區測量了靶中各種元素的反沖能譜。

According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。

The set of tectonic cracks on down beam is beneficial to anti - seism along the longitudinal and side long of aqueducts

拱架下弦桿分縫斷開的做法對縱、橫槽向抗震的最終效果是有利的。

According to the principle of the interaction between the beam and the cwr ( continuously welded rails ) that the longitudinal forces of cwr on railway bridges are passed on to the piers by the span structures of the bridge, the intensity of piers is checked up by calculating and the safety reservation is analyzed so that the design of the cwr on railway bridges is optimized and is safer and more economic

摘要根據梁、軌相互作用原理（橋上無縫線路的縱向力通過橋跨結構傳遞到橋梁的墩臺上， ）檢算橋墩的強度，進行安全儲備量分析，進而優化新建橋上無縫線路設計，使設計既安全又經濟。

The local geometric details considered include longitudinal length and height of access hole in beam web ; material nonlinearity and geometric nonlinearity are included in nonlinear analyses

節點局部構造的變化主要考慮梁腹板上的焊接孔的長度和高度的改變，非線性分析包括了對材料非線性和幾何非線性的考慮。

Visual observations showed that a horizontal displacement in the longitudinal direction of the bridge developed between the tie girder and the top flange of the floor beam at the end connection.

肉眼觀察表明：在端節點處的系梁和橫樑上翼緣之間產生一種沿橋梁縱向的水平位移。

( 3 ) the beam stirrups are very important to the anchorage of the upper longitudinal bar in the beam outside the wall " s width

節點區的寬梁箍筋對于凸出在墻外的寬樑上部縱筋的錨固具有比較重要的作用。

Based on behavior of joint core under cyclic reversal load, according to actual measurement load - displacement hysteresis loops, slip of longitudinal reinforcement passing through joint and shear deformation of joint in a serial of beam - column subassemblage tests, the typical slip hysteresis model of longitudinal reinforcement passing through joint and typical shear deformation hysteresis model of joint are proposed in this paper

本文以節點的受力特性及規律為基礎，基於若干樑柱組合體低周交變加載試驗的實測節點恢復力滯回曲線以及從中分離出來的貫穿節點的梁筋滑移變形結果、節點剪切變形結果，分析總結得到有一定代表性的梁端剪力與貫穿節點梁筋滑移之間和梁端剪力與節點剪切變形之間的滯回關系模型。

In this paper we study the transverse stiffeners of the thinned - web beam bearing several concentrated longitudinal strain actions. thinking of using post - buckling strength of web plate, we study some facts about tran sverse stiffeners including strain ability, condition of breaking, calculation of strength and stabilization of the stiffener bearing regional load action

本文對受多個集中荷載作用的薄腹板梁的橫向加勁肋進行了研究，分析了利用腹板屈曲后強度時，橫向加勁肋的受力狀態、破壞機理，以及加勁肋局部承壓的強度計算公式和穩定計算方法。

Reinforced concrete horizontal beam and longitudinal beam

鋼筋混凝土開間梁進深梁

This variation of stresses is due to the action of in - plane shear strain in the plate, which is termed “ shear - lag ”. stresses larger than the elementary bending uniform stress thus develop at the web - flange connection. an appropriate reduced “ effective width ” of the plate - with the uniform stress equal to the maximum longitudinal stress - has been widely used by engineers in conjunction with the elementary beam bending theory

但實際上翼緣中剪切變形是不均勻的，由此導致正應力沿橋寬呈曲線分佈，從而引出了有效寬度的概念，即按初等梁理論的公式也能得與真實應力峰值接近相等的那個翼緣折算寬度。

If the ordinary top longitudinal steel bars of the passed - joint hypo - beam yield, the yield will penetrate into the joint area and the slip of bar anchorage is much worse than the ordinary frame joint

但是同時，當柱上沒有過柱次梁時，則會產生另類的破壞形式，例如本試驗中的試件二的中節點的破壞。

Considering the joint core deformation effect, the existing cantilever program was assembled with the slip deformation model of longitudinal reinforcement passing through joint and the shear deformation model of joint to obtain the program for simulation of hysteretic characteristics of beam - column subassemblage

本文考慮節點區變形的影響，為原有程序組裝了節點區貫穿節點梁筋的滑移變形模型和節點剪切變形模型，得到樑柱組合體在低周交變加載下的梁端荷載-位移滯回規律模擬程序。

The practicality space analysis method of structure calculation for large rectangle aqueduct with multi - longitudinal beam

大型多縱梁矩形渡槽受力計算的實用空間法

During longitudinal analysis, the calculating method of column effective length has been given out, according to different longitudinal connecti ng beam

縱向分析時，本文給出了採用不同縱向聯系梁條件下的柱子計算長度系數的取值方法。

In cross calculation, the structure subject to cross force and the reverse force of elasticity support can be derived from the bottom elasticity support on each longitudinal beam ; then, with the elasticity reverse force as the loading reversed acting on the side walls and the middle longitudinal beam, the longitudinal beam subject to force can be calculated

橫向計算中，底部彈性支承在各縱樑上，可求得結構的橫向受力與彈性支承反力；然後將彈性反力作為荷載，反向作用於側墻和中間縱樑上，進行縱向梁的受力計算。

In chapter 2, proposes an analytical model to the grillage girder, and then establishes its equations by force method. for the primary structure, the upper longitudinal beam is regarded as the finite length continuous girder by elastic point supporting, and the lower cross girder is regarded as the finite length beam on elastic foundation. a computing program is made by qbasic language

第二章主要提出了彈性支承交叉梁系模型，用力法建立了結構靜力求解方程，基本結構的處理上，上層縱梁視為有限長點支承連續梁，下層橫梁視為有限長彈性地基梁，用qbasic語言編制了求解程序。