flexural deflection 中文意思是什麼
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First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed
）的全過程關系曲線。其次基於上面的三個假定，選擇合理的本構關系，利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析，分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。 -
Test method for deflection temperatures of plastics under flexural load
彎曲負荷下塑料的偏移溫度測試方法 -
Specimens ’ cracking load under dead - load, fatigue failure characteristic, fatigue life, deflection of span - centre, fatigue flexural rigidity, maximal crack width, development of cracks and strain of concrete and steel bars have been investigated. the influence of fatigue cycle characteristic, ratio of reinforcement, kinds of aggregate and concrete compressive strength on the specimens ’ fatigue behavior has been also investigated
對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究，分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。 -
It was found that the cracks can penetrate the interphase and the fiber rapidly when the interphase is thin, which causes the low flexural strength and fracture toughness, as well as the composites " brittle fracture. while the interphase is thick, multiple toughening mechanisms such as the crack deflection and matrix cracking can be activated, which cause the composites " flexural strength and fracture toughness is high and the composites " non - brittle fracture
當界面相較薄時，基體裂紋能夠迅速穿過界面相和纖維，復合材料具有較低的彎曲強度和斷裂韌性，表現為脆性斷裂模式；當界面相較厚時，復合材料能產生裂紋偏轉、基體開裂等多種增韌方式，具有較高的彎曲強度和斷裂韌性，呈韌性斷裂模式。 -
The new production of pva - dfrccs is successfully made out. which have achieved excellent flexural toughness, multiple cracking and flexural load - deflection hardening
通過試驗成功研製出了具有多縫開裂和抗彎荷載-撓度硬化效應的高韌性pva - dfrcc 。 -
As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails
正截面開裂前，荷載撓度曲線基本為線性，截面剛度較大；正截面開裂時，裂縫先在純彎段出現，荷載撓度曲線出現轉折點，隨著荷載的增加，純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展，使梁的剛度較截面開裂前減少，荷載撓度曲線也基本為線性直到梁破壞。 -
The paper presents a new comparative method. that is to make the different strengthened forms by externally bonded with different materials reach the same ultimate flexural capacity, and contrast with each load - deflection and moment - curvature curve, which are calculated by paper ' s program. mean
本文引入新的對比方法，即不同材料的加固在最終均達到同樣的極限抗彎承載力時，比較其各自的彎矩一曲率和荷載一撓度變化情況，並自行編製程序進行計算。 -
Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams
本文通過參數分析、 ansys三維有限元非線性分析、模型試驗等研究方法，著重探討了抗彎承載力、撓度變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。 -
The paper made up a flexural experiment with six pieces of composite slab. during the every step of load exerted, the paper recorded the strain of cold - form steel deck and concrete, deflection, crack, slide, ultimate bearing capacity. by changing the thickness of cold - form deck, thickness and strength of concrete, amount of steel stud and other parameters, the paper discussed the behavior of loaded composite - slab
本文進行6塊組合板的抗彎性能試驗，測試各級荷載下壓型鋼板及砼應變、組合板撓度、裂縫、板端滑移、組合板抗彎極限承載力；通過壓型鋼板厚度、砼板厚度、砼強度等級、栓釘數量等幾個參數的變化，探討組合板在荷載作用下的內力、變形情況。 -
So the concrete beams reinforced with frps not only increase the flexural strength but also increase the stiffness and decrease it ' s max deflection, which is very important to increase the ability of resisting reflex of the original beams and the strength of the normal use limit status
因此，纖維加固混凝土構件不僅提高了其抗彎承載力，而且提高了其剛度，減小了最大撓度，這對于增加原梁抵抗變形的能力、提高正常使用極限狀態的承載能力具有十分重要的意義。 -
At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections
首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析，所得分析值與試驗結果相比，加固梁的屈服荷載、極限荷載能夠很好地吻合，彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合；其次，為了滿足實際工程的需要，根據碳纖維布加固構件可能發生的三種破壞形態（壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞） ，區別三種鋼筋混凝土構件截面形式（單筋矩形截面、雙筋矩形截面、 t形截面） ，分別給出了碳纖維布加固混凝土構件抗彎承載力的簡化計算公式和適用條件，並進一步探討了這三種截面形式下進行加固設計和復核的步驟。 -
The flexural strength and fracture toughness of ti3sic2 material obtained by hot - pressing is 223mpa and 5. 1 mpa m1 / 2 respectively ; the mechanisms of grain bending, grain delamination, crack deflection inside the layered grain, crack deflection and branch, pull out grain are main energy absorbing mechanisms
~ 1ti _ 3sic _ 2材料的彎曲強度和斷裂韌性分別為223mpa和5 . 1mpa ? m ~ （ 1 / 2 ） 。主要能量吸收機制為：晶粒的彎曲、層間滑移，裂紋在層間擴展與偏轉，裂紋在晶粒間沿晶界擴展、分叉和晶粒的拔出。
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