sfrc 中文意思是什麼

sfrc 解釋
井底流量褶積
  1. By means of analyzing the measured data of deformation and temperature inside the structure, the laws of deformation and temperature of the sfrc structure under the influences of early hydration heat and outside temperature were found

    通過實測結構內部溫度及其變形，給出了鋼纖維混凝土在早期水化熱及外界溫度影響下的溫度及變形規律。
  2. In order to use the strength and toughness index for design and apply of sfrc unified theoretical calculation formula of reinforcing and toughening of sfrc is given. experiments on bending toughness, breaking toughness and cube strength test results are carried out in connection with various kind of deformed steel fiber

    初步給出建立鋼纖維混凝土增強、增韌統一理論計算公式思想，為鋼纖維混凝土強韌雙重指標在設計、選用鋼纖維混凝土中的應用打下基礎；針對不同種類異形鋼纖維進行了彎曲韌性、斷裂韌性、立方體抗壓強度等試驗。
  3. 2. the punching shear carrying capacity could be divided into concrete action and reinforcement dowel action in theory. the paper also gives factors influencing punching shear capacity both normal slabs and sfrc slabs

    從受力機理上將板的沖切承載力分為混凝土承載力和鋼筋銷栓作用兩部分，並分析影響混凝土板和鋼纖維混凝土板沖切承載力的因素。
  4. Research work described in this dissertation consists of four parts : application of finite element methods ( fem ) in the study of pull out tests of single fiber reinforced composites ( sfrc ), fem study of fragmentation tests for single fiber reinforced composites, monte carlo simulation of fragmentation tests for single fiber reinforced composites, and a simulation of impact failure behaviors of fiber composites with a mesh free method - the sph method

    全文論述從四個方面展開的工作：單纖維復合材料抽拔試驗的有限元數值模擬，單纖維復合材料逐節斷裂試驗的有限元數值模擬，蒙特卡羅方法模擬單纖維復合材料受拉破壞過程，無網格sph演算法在復合材料受沖擊破壞過程中的v _ （ 50 ）數值模擬。
  5. The first part of this thesis brings forward the normal procedure of bridge construction crack analysis, briefly makes an argument about the crack control standard at home or abroad, analyses some questions on crack, states the experiment analysis of crack controlling by using steel fibre reinforced concrete ( sfrc )

    本文上篇，提出了橋梁結構裂縫分析的一般步驟，簡要地評論了國內外現有裂縫控制準則；探討了裂縫的有關問題；對裂縫產生的機理進行了分析；闡述了鋼纖維混凝土限裂實驗研究。
  6. Test results show that the steel fiber in concrete have more effectiveness on improving the splitting tensile strength and the flexural strength in the early age than after its hardening ; the flexural modulus of elasticity of sfrc are higher than the plain concrete at different ages while their compressive modulus of elasticity are almost the same. it ' s also shown that, similar to the plain concrete, the early - age loading decreases the strengths of sfrc, but, with the increase of the contents of the steel fiber things are getting better, especially for the splitting tensile strength and the flexural strength

    試驗結果表明：與性能穩定之後相比，在混凝土中摻入鋼纖維對它的早期劈裂抗拉強度和抗折強度有尤為顯著的提高作用；對各齡期的受壓彈性模量影響不大，而對提高抗折彈性模量有一定的效果；與素混凝土試件相同，在早期（強度達到28天強度的85前）對鋼纖維混凝土試件施加荷載會對它的各種強度產生一定的不利影響，但是摻入鋼纖維可以減輕這種不利影響，尤其對劈裂抗拉強度和抗折強度作用突出，並且含纖率越高，效果越明顯。
  7. Finally, systemic technology of design and construction of sfrc in tunnel engineering, by the example of gao niangou tunnel, which located at xi " an - an kang railway, and where sfrc was used as permanent lining, was discussed

    最後通過西康線高碥溝隧道採用鋼纖維混凝土作為隧道永久襯砌的成功事例，系統介紹了在隧道工程中，噴射鋼纖維混凝土的設計和施工技術。
  8. The test studies show that sfrc has better electric conductivity than plain concrete, while the resistance is still remarkable because of the corrosion of steel fiber

    Sfrc的導電能力比素混凝土有所提高，但是由於鋼纖維的銹蝕， sfrc的電阻仍然很大。
  9. Cracking loads of sfrc tree - pile caps and their calculation

    鋼纖維混凝土三樁厚承臺開裂荷載計算
  10. Theoretical analysis of shear stress redistribution in sfrc composite beams

    鋼纖維混凝土迭合梁截面剪應力分佈規律理論分析
  11. The study lies in following aspects : 1 ) a great number of experiments on sfrc are carried out to obtain the basic data of sfrc energy properties, which are the fundamental parts of further study. 2 ) a probability analysis based on statistical theory is done to all the experiment data. in the end, energy criterion for sfrc associated with security criterion are calculated and listed for future use

    本文主要針對鋼纖維噴射混凝土在單層隧道襯砌中的應用進行了研究，內容包括以下幾個方面： 1 ）進行了大量的鋼纖維混凝土標準試件試驗，試驗的成果和數據為研究鋼纖維混凝土的能量特徵提供了事實依據和參考； 2 ）運用概率統計方法對鋼纖維混凝土的指標進行了可靠性分析，得出了實際可以接受的保證率下的鋼纖維混凝土能量指標； 3 ）通過合理的假設和簡化，研究了鋼纖維混凝土構件在破壞過程中的能量耗散機理。
  12. The wuhan university of technology and dongzhou sfrc inc bring forward lsfrc pavement together. lsfrc pavement is a type of new composite pavement by putting certain quantity of steel fiber in the bottom and top of the pavement

    該路面是在普通混凝土路面板的底部和頂部一定厚度內撒布一定量的鋼纖維鋪築而成的路面，是一種新的復合路面形式。
  13. The obtained results has been shown that the temperature field of sfrc pavement structure is non - linearly distributed along its thickness. the temperature which is close to the surface changes quickly, whereas slowly which is far. under the affect of temperature field, the temperture stress of sfrc pavement structure is also distributed non - linearly. the deflection and stress responses of sfrc pavement structure are waved declingly under the effect of shock load

    計算結果表明：鋼纖維混凝土路面板結構的溫度場沿其厚度方向呈非線性分佈；在距路面表面較近的地方，溫度變化較快，而在距路面表面較遠的地方，溫度沿厚度方向的變化較為緩慢，整個圖形呈下凸形。鋼纖維混凝土路面板在上述溫度載荷的作用下，其溫度應力沿其厚度方向呈非線性分佈。
  14. Polypropylene fiber reinforced concrete ( ppfrc ), steel fiber reinforced concrete ( sfrc ) and mixed fiber reinforced concrete used in plate of bridge are studied. the performances of concrete with different fiber content, such as compression strength, tension strength, splitting tensile strength, frost resistance, shrinkage, early shrinkage and chloride ion diffusion coefficient ( dcl - ) are studied

    分別研究了改性聚丙烯纖維、鋼纖維和混摻纖維對橋面板用混凝土性能的影響，研究了不同纖維摻量混凝土的抗壓強度、抗折強度、劈裂強度及抗凍性、干縮性能、早期開裂和氯離子擴散系數進行了試驗研究。
  15. So it is quite important for sfrc to be used in those essential parts, such as the vicinity of frame column or shear wall in basement. the sfrc greatly improves the punching shear carrying capacity in raft foundation, or reduces the thickness of raft foundation in the same load. this in turn offers convenience in construction, reduces hydration heat in concrete and saves investments

    因此，將鋼纖維混凝土用於特別需要的那些部位顯得尤為重要，比如用於筏形基礎的框架柱或剪力墻附近，大大提高基礎的抗沖切承載力，在荷載一定的條件下可減小筏板的厚度，將會給施工帶來方便，減少水化熱，節約建設投資。
  16. The study of the sfrc is mainly divided into three parts

    對鋼纖維混凝土進行的分析研究主要分為三部分。
  17. Based on the axial tension test results of 20 concrete members reinforced with steel bars and fibers, the axial forces and stress were analyzed of steel fiber reinforced concrete ( sfrc ) members

    摘要根據20根鋼筋鋼纖維混凝土軸拉構件的試驗結果，分析了鋼筋鋼纖維砼軸拉構件在受力變形過程中，鋼纖維的摻量對構件性能的影響。
  18. The prevention of the corrosion of reinforced bar by using the smart concrete pn junctions. 1 ) the conductivity of sfrc is tested in experiments

    二、應用機敏混凝土進行鋼筋銹蝕的防護研究： 1 、試驗研究了sfrc的導電能力。
  19. Based on these test results, the effect of the kind of fiber on the reinforcing and toughening state of sfrc is analyzed the experimental results show that the kind of fiber affect the reinforcing and toughness state of sfrc greatly. the experimental results are analyzed using fracture - cmod toughness method, flexural toughness index isjiojao and toughness index design value

    在試驗的基礎上，分析了纖維種類對鋼纖維混凝土增強、增韌性能的影響；運用斷裂cmod韌度法、 《鋼纖維混凝土試驗方法標準》 cecs13 : 89推薦的彎曲韌性指數評價方法和美國astmc1018 - 89標準推薦的韌度設計值分析本文中的試驗結果。
  20. The change of energy in wall rock is tracked in the whole process and the amount of energy transferred to linings is also evaluated. 5 ) based on the principal of energy invariance and the energy properties of sfrc, a practical design equation that related the thickness of projecting sfrc to the energy related properties of tunnel is given in the end. this equation is then used to design a single - track railway tunnel in iii grade rock condition

    並進一步推導了不同形式的構件間的能量耗散關系，為將標準試驗的能量統計結果運用於實際結構中打下了基礎； 4 ）利用有限元軟體對隧道開挖過程進行了三維模擬，得到了隧道圍巖在開挖掘進過程中的能量轉化趨勢和規律，得到了鋼纖維噴射混凝土襯砌在支護過程中的能量變化； 5 ）利用能量守恆原理和已經推導出的構件能量耗散關系，建立了鋼纖維噴射混凝土襯砌厚度與圍巖開挖能量變化間的關系，並運用此方法對級圍巖條件中的鐵路單線隧道的鋼纖維噴射混凝土襯砌進行了設計計算；
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