破斷拉力 的英文怎麼說
中文拼音 [pòduànlālì]
破斷拉力
英文
breaking force- 破 : Ⅰ動詞1 (完整的東西受到損傷) be broken; be damaged 2 (使損壞) break; break down; damage 3 (使...
- 斷 : Ⅰ動詞1 (分成段) break; snap 2 (斷絕;隔斷) break off; cut off; stop 3 (戒除) give up; abstai...
- 拉 : 拉構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 拉力 : pulling; pulling force; thrust; traction; tension拉力表 draw bar [pull] dynamometer; 拉力測定儀 [...
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Tensile tests of carbon filament yarn shows at high strain rate that the mechanical behavior of carbon fiber bundles are insensitive to strain rate, i. e., the failure stress strain and elastic modulus are not increased with the rising of strain - rate. however, the fractograph of carbon fiber is rate - dependent. the fractograph of carbon will become smooth from coarse as the strain rate increases
通過對碳纖維束的沖擊拉伸試驗表明,雖然碳纖維束的力學性能與應變率基本上是不相關的,即隨著應變率的增大,碳纖維束的初始模量、破壞應力及其失效應變都變化不大,但碳纖維束的破壞斷口與沖擊拉伸實驗的應變率密切相關。The effect of intensifier and other conditions on the mechanical properties of composite is studied for the sake of searching the optimal compounding and the optimal technological process. first, a series of composites are manufactured by means of different nonwoven fabric and different resin. the dissimilar methods are adopted including hand molding, vacuum - bag molding and vacuum assistant resin injection
本文在研究非織造布增強樹脂基復合材料的復合工藝、力學性能和破壞機理中,在運用材料學、工藝學、力學和宏觀測試手段的同時,注重採用微觀測試方法,主要採用掃描電子顯微鏡進行測試,觀察了復合材料拉伸斷口的微觀形貌,研究了不同類型的非織造布增強體,不同樹脂和不同工藝條件對宏觀力學性能的影響,從而選擇最佳的增強體和基體的組成、復合條件和工藝,以製成性能最佳的新型材料。Considered local damage due to steels corrosion, fatigue, prestressing loses, whole bridge incline and distortion, this paper studies damage diagnosis technique of the cable - stayed bridge and determines the location and size of damages for yonghe cable - stayed bridge, which has been used after 15 years
針對鋼筋腐蝕、疲勞、預應力鬆弛、橋梁整體傾斜或變形所引起的斜拉橋局部破損,本文以使用15年後的永和斜拉橋為研究對象,對大型斜拉橋破損診斷技術進行研究,對永和斜拉橋破損位置進行定位、對其破損程度進行評價。Used for measure tensile breakage strength and elongation of various cotton, wool, ramie, silk and chemical fiber ect. the meter is controlled by pc computer, be meet the requirement in
用於測定各種棉、毛、麻、絲、化纖等機織物的抗拉斷裂強力和斷裂伸長,儀器用pc機控制試驗,數據由印表機輸出,根據用戶要求,也可測定撕破,剝離及頂破強力。Aggregate breaking force
綜合破斷拉力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。Products are : super high pressure electric, pneumatic, manual oil pump ; pre - stress jack for the use of coal mine and construction ; steel bar and cable scissor ; all kinds of bolt for safety supporting and bolting ( km19 and km22 bolt have all got the certificate of “ ma ” in china. ) ; cable anchor and bolt test stand ; hydraulic nut scissor and etc
產品有防爆式超高壓電動、風動、手動油泵;煤礦、建築用預應力張拉千斤頂;鋼筋、鋼絞線切斷器;安全支護用各種錨具( km19 、 km22錨具在國內率先取得煤安證書) ;錨索錨具靜載拉伸試驗臺;液壓螺母破切器等。If the gap between two branch members is great, the joint is treated as t - or y - joint. or else, the minimum of the results obtained by the formula based upon steel tube flange shear failure mode and effective width failure mode is adapted for the tension branch joints
給出了矩形鋼管混凝土k型節點的間隙判斷公式,間隙較大時按t 、 y型節點計算;間隙較小時受拉支管節點承載力按沖剪破壞和有效寬度破壞模式計算,取較小值。The carbon fibers with low strength are broken easily according to thermal tension and bend stress damage models, and the carbon fibers with high modulus are broken easily according to thermal shear stress damage model in spite of less damage caused by heat. the carbon fibers with surface glue of epoxy resin are damaged easily in physical and chemical ways because of high oxygen extent and rigidity of epoxy resin
低強度碳纖維容易在熱應力拉伸或彎折破壞模式下損傷;高模量碳纖維高溫損傷小,但國防科學技術大學研究生院學位論文容易以熱應力剪切破壞模式下斷裂;環氧樹脂表面膠剛性較大,氧含量較高,使碳纖維容易受到化學損傷和熱應力彎折損傷,均不宜用來制備c燈sic復合材料。In the year of 2002, the system reformation of national electricity makes use of " separation of plant and network, bidding for use of network ". it leads our national electricity industry into a new era of introducing competition mechanism, breaking the monopoly management and enhancing the total competitive capacity of electric power plants
2002年,以「廠網分開,競價上網」為手段的國電體制改革拉開了我國電力行業引入競爭機制、打破壟斷經營和提高電力企業整體競爭力的帷幕。When the diatance is too much, failure mode is brittle. the calculated flexural capacity has good agreement with the test risult
當加固距離較大時,梁雖然有很好的承載力,但是撓度太小,破壞形式為纖維筋拉斷的突然破壞。But major fault lines exist at the plate ' s edge, where sudden jolts have wreaked massive devastation
不過主要的斷層帶位於這個板塊的邊緣,地震時,由於這個地區瞬間產生的拉力太過強大,才會造成這麼嚴重的破壞。In order to study basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and concludes criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響,根據急斜煤層基本頂具有傾斜狹長板的特點,運用彈性薄板理論對基本頂巖層進行了拉應力分析,得出了頂板破斷的判別準則,建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。In order to study the basic roof ' s destruction movement that affects working face in horizontal section top coal caving in mining steep seams, this paper analyses tension of roof using elastic and thin board theory and obtains criterion of roof destruction based on long and narrow thin board
摘要為研究急斜煤層水平分段放頂煤開采過程中基本頂破壞活動對工作面的影響,根據急斜煤層基本頂具有傾斜狹長板的特點,運用彈性薄板理論對基本頂巖層進行了拉應力分析,得出了頂板破斷的判別準則,建立了基本頂初次破斷后形成的「鉸接結構」的力學模型。分享友人