flexural stability 中文意思是什麼
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Abstract : based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
文摘:在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值 -
Based on the analysis of the main failures discovered in pavement on steel deck plate and the demanding service condition of the pavement on steel deck, high - temperature rutting test, low - temperature bending test and controlled stress flexural fatigue test are used to study the performance of asphalt mixtures modified by epoxy resin including high - temperature stability, low - temperature cracking - resistance, and fatigue cracking - resistance, which are served to evaluate the modification effect of epoxy resin of different contents. with the addition of epoxy resin, all the three performances are improved greatly. however, when the amount of epoxy resin added is over a certain value, the modification effect will be stable with no extra benefit detected. finally, in terms of the properties of the three respects, 20 ?, 30 ?, 30 ? are given separately as the proposal adding contents
在分析鋼橋面鋪裝層主要病害和特殊工作環境的前提下，分別採用高溫車轍試驗、低溫小梁彎曲試驗和控制應力小梁彎拉疲勞試驗，研究了不同環氧樹脂摻量下的環氧樹脂改性瀝青混合料的高溫穩定性、低溫抗裂性和抗疲勞性能.試驗結果表明:環氧樹脂對這3個方面都有很大的改進效果，但改性效果和樹脂的添加量並不是一個無限遞增的關系，當添加量超過一定數值以後，改性的效果將趨于平穩.最後就高溫、低溫、疲勞3個方面分別提出環氧樹脂添加量為20 ? ， 30 ? ， 30 ?的建議值 -
Zirconia ceramics used in all - ceramic restoration of prosthodontics has shown favorable biocompatibility, chemical stability, flexural strength and color property
摘要氧化鋯陶瓷作為口腔全瓷修復材料，在生物相容性、化學穩定性、抗彎曲強度和色澤等方面具有優勢。 -
In staged construction process, study is primarily aimed at the truss load resistance capacity and flexural performance under construction and design load, combination performances of steel trusses in conjunction with concrete beam, the vertical displacement difference of two steel trusses with different span and their lateral stability, the glide displacement of the steel truss end during construction, the load resistance performance of steel trusses and concrete structure at the designed load, and the extreme limit loads and the breaking appearance of the combined steel trusses
主要研究了在階段施工過程中，鋼桁架在施工荷載及設計荷載下的受力性能和變形能力；鋼桁架與混凝土梁板的共同工作性能；兩榀不等跨鋼桁架在整體受力下的豎向位移差及其對結構的作用和側向穩定性；鋼桁架端部在施工階段的滑動情況；使用階段鋼桁架及其端部混凝土結構的受力性能；組合鋼桁架結構的極限承載力和破壞形態。 -
In this paper, the buckling behavior of cold - formed angle members is studied by non - linear finite element method. the influence of the width - thickness ratio of the single cold - formed angle column under axial load is analysed. the criteria of flexural buckling and torsional - flexural buckling for cold - formed egual - leg under axial loads is presented. according the calculating results of the ansys finite element method, the stability - coefficient formulas are simulated for the cold - formed loading single angle members of flexural buckling and torsional - flexural buckling
本文運用非線性有限元法對冷成型單角鋼的穩定性能進行了研究，分析了寬厚比對冷成型單角鋼軸壓桿穩定性能的影響，給出了等邊冷彎角鋼發生彎曲屈曲和彎扭屈曲的判斷條件，根據ansys有限元的計算結果擬合出了冷成型單角鋼軸壓桿在發生彎曲屈曲以及在發生彎扭屈曲時的穩定系數公式，在此基礎上得出了冷成型單角鋼軸壓桿在所有長細比情況下的穩定系數公式。 -
Based upon the elastic stability analysis of flexural - and - shear - typed bracings ( includes vertical beam and vertical truss ), criterions for classifying the types of bracings were presented in this thesis, where the bracings were divided into flexural, shear and flexural - and - shear types. the stability of frames braced by vertical beams was investigated
本文通過對彎剪型支撐（包括實腹式懸臂柱和桁架式支撐結構）的穩定性研究，提出了支撐的區分標準，根據此標準支撐結構可以被劃分為彎曲型支撐、剪切型支撐和彎剪型支撐三類。 -
Theory analysis in this paper pointed out that the flexural - torsional buckling is the usual form of t - section steel. so the slenderness ratio of flexural - torsional buckling should be used when people give out the b / t ratio by the " equal stability " conception. initial stress, defects and tangent modulus are include in the deduce of the paper to get a rational b / t ratio
通過理論分析指出軸心受力剖分t型鋼整體失穩以彎扭屈曲為主，所以在運用「等穩定」方法確定腹板寬厚比限值時應與桿件的扭轉長細比「掛鉤」 ，並以此為出發點考慮殘余應力、初始缺陷，應用切線模量推導出了較為合理的腹板寬厚比限值公式。 -
In this paper, torsional - flexural buckling of single - angle members is researched deeply and systematically by ultimate strength theory and general fem analysis software ansys, and is contrasted with some codes, as a result the simple and practical formulas for stability coefficient are recommended for design purpose
本文採用極限強度理論和通用有限元分析軟體ansys ，系統深入地研究了單角鋼軸心受壓構件的彎扭失穩，並與多本規范進行了對比分析；在此基礎上提出簡單實用的穩定系數計算公式，以便工程設計參考。 -
Testing of rigid cellular materials ; determination of dimensional stability at elevated temperatures with flexural load and with compressive load
硬質泡沫材料的檢驗.在彎曲載荷和壓力載荷的高溫條件 -
The experiment test results of mechanical properties and durability of hprrc show : no matter at early age or later age, the ration of flexural strength to the cubic compression strength of hprrc is higher than ordinary concrete, and the brittleness of hprrc is reduced ; the bond performance of new - old concrete interface and chloride permeability are good ; its resistance to freeze and thaw, permeability are all excellent ; its volume stability is improved, and its cracking resistance is good
配製出和易性優良（坍落度30mm ） 12 48h能滿足開放交通的hprrc 。 5 、 hprrc力學性能、耐久性能試驗結果表明：無論早期還是後期，其折壓比均比普通砼的有所提高，脆性有所降低；新老砼粘結性能優良；並具有優異的抗凍性、抗滲性、耐磨性，抗氯離子滲透能力強；體積穩定性大為提高，抗裂性好。
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