纖維截面 的英文怎麼說
中文拼音 [xiānwéijiémiàn]
纖維截面
英文
fiber cross-section-
Thus the use of steel fiber reinforcement concrete in corbel can avoid complicated calculating in design, and the diminish difficulty of construction, at the same time when corbel ' s dimension can not be increased the reinforcement concrete corbel ' s ultimate load capacity and anti - seismic performance can be improved by the addition steel fiber into concrete. this method has become a kind of applied method and is highly concerned by the domestic and international academe and engineer group
因此,在配筋密集的牛腿中使用鋼纖維混凝土可以避免設計時繁雜的配筋計算、減小施工難度,同時在牛腿截面尺寸不能增大的情況下,可以通過加入鋼纖維來提高鋼筋混凝土牛腿的承載力和抗震性能,用鋼纖維加入鋼筋混凝土牛腿已成為一種實用方法受到了國內外學術界和工程界的極大關注。It canbe determined the enhancing effect of new steel fiber to shear resistance of beams by the test of tensile strength of steel fiber reinforced concrete, it is important to reduce test cose and increase research efficiency
可以通過鋼纖維混凝土抗拉強度試驗來確定新品種鋼纖維對梁斜截面上混凝土受剪承載力的增強作用,這對于降低試驗成本和提高研究效率具有重要工程價值。It was found that fibers of circular cross section produce greater cohesion in webs and slivers than do trilobal fibers.
圓形橫截面纖維在棉網和棉條中,比三葉形橫截面纖維能產生較大的粘著作用。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵,採用企口表面全封閉法,在復合強化地板企口表面噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深度,堵塞木纖維之間的空隙及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。A concept of step - by - step round angle surface for transition and its mathematic modeling was put forward first time. different fiber placement patterns ( 0, 90and 45 ply ) and their simulation module were designed. a simulation system for fp - - - - - - simjoint system for satellite triangle conjunction was composted, which include mandrel modeling, fiber placement trace in mandrel simulation and robot ' s kinematics simulation
詳盡描述了構架式衛星接頭的幾何建模過程,針對所研究對象的特點,提出了用於變截面曲面之間過渡的漸進圓角過渡曲面的概念,並建立了相應的數學模型;針對構架式衛星接頭設計了90 、 0和45等不同角度對應的纖維路徑和鋪絲線型模擬模塊。Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete
通過變化受拉筋含筋率和受壓筋、箍筋(鉤筋、分佈筋)含量,或摻加纖維使之成為鋼纖維高強混凝土( sfrhsc )和聚丙烯纖維高強混凝土( pfrhsc ) ,對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究,試圖改善高強混凝土受彎構件的延性,使其延性比大於5 ;並在相同配筋情況下,通過變化截面寬度,研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響;並對試驗構件的裂縫發展情況進行了觀測。Here we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements
Cfrp加固梁在承受彎曲荷載時的破壞是鋼筋屈服后碳纖維斷裂和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義,由給定的cfrp橫截面積預測加固梁的極限彎曲強度;或者相反,在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截面積。Standard test method for monotonic compressive strength testing of continuous fiber - reinforced advanced ceramics with solid rectangular cross - section test specimens at ambient temperatures
室溫下帶實心矩形截面試樣的連續纖維增強高級陶瓷的單值抗壓強度試驗的標準試驗方法The results of experimental program clearly indicate that significant strengthening of reinforced concrete beams can be realized by bonding cfrp to the tension face of the beaxn, meanwhile the ductibility of beams decreased
觀察了加固後梁的破壞形式,對破壞形式進行了分析。試驗結果顯示:外貼碳纖維對梁的正截面抗彎能力有明顯提高,加固梁的剛度增加而延性降低。According to the basic theory of the cement concrete and the properties of polypropylene fiber, the calculating formulas about beam for the normal section load _ carrying capacity and rigidity and ductibility are presented based on " the design code of concrete structure " ( gb50010 - 2002 )
參照普通砼的基本理論,結合聚丙烯纖維砼的性能特點,在《規范》的基礎上得到了單筋矩形截面梁正截面承載力、剛度和延性的計算公式,並與試驗結果對比吻合較好。The effects to beam for its normal section flexural capacity and rigidity and ductibility as well as other properties is discussed with different polypropylene fiber and different concrete strength by the bending test study herein on the reinforced concrete beams and the polypropylene fiber reinforced beams
本文通過對摻聚丙烯纖維砼配筋梁的試驗研究,分析討論了單筋矩形截面梁配筋率相同時,分別考慮聚丙烯纖維摻量和混凝土強度等級等因素對梁的正截面承載力、剛度及延性等幾個方面的影響。Based on plane section assumption, this paper presents the methods of calculating the ultimate strength of the columns strengthened with cfrp, and makes a simplification of the methods. a fortran program on nonlinear method is presented to numerically analyze the characteristics of large eccentrically loaded columns strengthened by longitudinal straps of cfrp, calculating results compare well with experimental data
本文在平截面假定的基礎上分別推導了碳纖維布縱向粘貼大偏心受壓柱的正截面承載力校核和截面加固基本計算公式,並對公式進行了相應的簡化;運用fortran語言編制相應程序對縱向粘貼碳纖維布大偏壓柱進行了數值分析,本文公式計算結果和程序計算結果均與試驗結果吻合良好。In this method the stress resultants of concrete in the cross section are evaluated by accurate integrating method and the resultants of structural steel and reinforcing bars are obtained using the fiber element method. the final nonlinear algebraic equations are solved using an iterative quasi - newton procedure based on the regula - falsi numerical scheme
應用該計算機方法,截面上的混凝土內力採用精確的積分方法求得,結構鋼與鋼筋的內力則由纖維元方法計算,而最終的非線性代數方程組由分離變量的擬newton - raphson迭代方法求解。Based on the temperature field obtained by the thermal analysis, a parametric analysis is conducted to investigate the interlaminar stress at the interface between the composite and the thermal barrier in the cross - section of the inlet duct, using the commercial finite element software ansys
在熱分析的基礎上,採用ansys有限元軟體計算了復合材料進氣道截面在假設工況下的應力場,為碳纖維纏繞復合材料進氣道熱防護方案的設計提供了實用的參考依據。Insufficient twist, inadequate number of fibers in the yarn cross - section
捻度不夠,在紗截面內纖維根數不足。The sem photos of fiber cross section also verified that the structure of dry - jet wet - spun fiber was tighter than that of wet - spun fiber
纖維截面的sem電鏡照片也證實乾濕紡纖維的結構比濕紡纖維密實。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。There is not composite enhancing effect to shear resistance of reinforced concrete beams between steel fiber and stirrups
鋼纖維與箍筋之間在提高鋼筋混凝土梁斜截面承載力方面不存在「藕合增強效應」 。Study on the cross section morphology and skin - core structure of pan fiber in wet - spinning
濕法紡聚丙烯腈纖維的截面形貌與皮芯結構的研究Study on the influence of embedded technologies to textile fibers on the cross - sectional parameters of single hollow fibers
纖維包埋技術對單中空纖維截面特徵參數的影響分享友人