shear deflection 中文意思是什麼

Significant deviation occurs only when the beam is not slender or for sandwich constructions with very soft core material in which shear deflection becomes significant.

只有當橋不是很細長，或者是用很軟的材料做芯子構成夾心結構的情況下，才會產生明顯的偏差，因為這兩種情況下剪切撓度都很大。

On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

借鑒已有試驗的經驗，本文設計和完成了對18根超高強混凝土無腹筋梁（包括9根簡支梁和9根約束梁）在集中荷載下抗剪強度的試驗，觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄，獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極限荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及撓度值等。

Though investigation, it puts forward the formulas to slip strain and slip of the simply supported composite beams, establishs formulas of the carrying capacity, curvature and deflection to composite beams with partial shear connection, finds out relationships between shear connection degree coefficient and them. it can develop benefit of technology and economics in design to adjust the shear connection degree

通過理論分析，本文提出了簡支組合梁滑移應變、滑移的計算公式；推導了簡文組合梁考慮滑移效應的承載力、曲率和變形的計算公式；得出了它們與剪力連接程度系數的關系，通過調整剪力連接程度可以提高組合梁設計的技術經濟效益。

This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization

半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用；臺後土抗力升溫時採用靜止土壓力加彈性土抗力，降溫時採用主動土壓力；分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例，採用大型通用軟體ansys建立平面框架模型，進行彈性、大變形分析，模擬全橋受力和變形特點；同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型，通過三種橋型同步加載對比分析，研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能，總結其設計控制因素和構造要求。通過本文研究知：半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近，結構整體剛度增大，併除去了伸縮縫病害；但主梁增加了軸力，下部結構剪力、彎矩較梁式橋大；綜合分析是一種受力合理有實踐和推廣價值的橋型。

Through comparing and analyzing of bearing capacity, development of crack and strain of reinforced, the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data, and choosing the rightful stress - strain relationship, utilizing ansys program, the test process can be well simulated. at the same time, making used of the program, the traditional shear wall is analyzed. it shows that comparing with the traditional shear wall, the hollow shear wall ' s cracking load drop 16 %, yield load and failure load drop 13 %, stiffness drop 13 % ~ 22 %

其次在試驗的基礎上，將試驗手段、有限元數值模擬方法和理論分析結合起來，利用有限元程序ansys對其中的兩片墻板進行非線性有限元分析，並對前後的承載性能，裂縫發展、鋼筋應變進行了比較和分析，結果表明有限元節點模型分析的荷載-位移曲線和試驗測得數據符合良好，選用合理的材料本構模型，利用ansys可以較好的模擬試驗過程；同時利用有限元模型對比分析了普通剪力墻和空心剪力墻，空心剪力墻與普通剪力墻對比，其開裂荷載下降16 ，屈服荷載、極限荷載下降13 ，剛度下降13 22 ，開裂至屈服、屈服至極限荷載階段的剛度衰減規律與普通剪力墻基本一致，空心剪力墻的後期剛度比較穩定。

The calculation results indicate that for steel frame in semi - rigid joints cases, the top story deflection, the displacement between two stories, the moment at the center of a beam and the initial end moment at column is larger, nevertheless the end moment at beam and the shear force between two stories

分析表明：半剛接和剛接相比會使框架結構的柱頂側移、層間位移、跨中彎矩、柱腳某些部位彎矩增大，而梁端彎矩和層間剪力減小。

Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )

本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對比鋼筋混凝土柱進行了軸壓試驗研究，並對19根加固鋼筋混凝土柱和4根對比鋼筋混凝土柱進行了剪壓試驗研究；通過對試件荷載-應變曲線、荷載-撓度曲線和滯回曲線等的研究表明，採用該加固方法能有效的約束柱子橫向變形，並對提高鋼筋混凝土柱的極限承載力和延性有明顯的效果；同時根據理論及加固機理分析提出了適應於此加固方法的軸壓極限承載力計算公式。

3 ) based on the asymmetrical beam bending theory, the deflections of damaged hull subjected to hogging and sagging moments and shear forces are analyzed accounting for the external loads listed from previous chapter. the effect of shearing deflection on total hull deflection is discussed

3 ）在非對稱彎曲梁模型的基礎上，考慮外載荷變化下，計算了宏觀破損后船體彎曲撓度和剪切撓度，並分析了剪切撓度對總撓度的影響。

Yet for thickness shear actuators, due to the shear deformation dominates the plate deflection for shear actuation mechanism, the higher order shear theory can provide more accurate evaluation of the shear strain energy of the plate than the first - order one, higher order shear deformation theory can provide more accurate evaluation of the deformation of the plate

但對于厚度剪切型激勵器而言，由於激勵器主要是引起板的剪切變形，而高階剪切變形理論比一階剪切變形理論能更好地反映結構的剪切應變能，因此高階剪切變形理論可以提供板變形的更為精確的解。

The test result shows the deflection and diagonal crack of recycled aggregate concrete beams are bigger than natural aggregate concrete beams, the shear capacity of recycled concrete beams reduces with the increase of recycled coarse aggregate content, the shear capacity reduces with the increase of shear - span ratio

試驗結果表明：再生混凝土梁比普通混凝土梁變形和斜裂縫寬度稍大；隨著再生粗骨料取代率的增加，再生混凝土梁的抗剪承載力略有下降的趨勢；隨著剪跨比的增加，抗剪承載力減小。