裂變寬度 的英文怎麼說

中文拼音 [lièbiànkuān]
裂變寬度 英文
fission width
  • : 裂動詞[方言] (東西的兩部分向兩旁分開) open
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 裂變 : [核物理] atomic fission; fission; nuclear fission
  1. The average fission width can be obtained from a statistical argument.

    能夠從統計理論得到裂變寬度
  2. 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,通過化截面,研究了高強混凝土受彎構件的高比對壓區混凝土極限應的影響;並對試驗構件的縫發展情況進行了觀測。
  3. Through the dry and wet cycling experiment on unmarred beam and pre - cracked beam, the position of initial corrosion and influence of crack on the reinforcing bar corrosion are studied in this paper both the flexural bearing capacity performance and the material mechanical performance of the beams are studied on the test of full scale concrete beam a model of 3d fem is established to simulate the state of the actual full - sized rc beam and electronic accelerating test beams, computational results and test results are compared

    通過對混凝土梁的干濕循環試驗,研究了在混凝土梁中的鋼筋初始銹蝕情況,以及不同縫對于鋼筋初始銹蝕的影響。通過對足尺銹蝕混凝土梁的試驗,研究了混凝土梁在海洋環境侵蝕作用下的材料性能的化和抗彎承載能力的化。
  4. It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys

    研究表明:固溶電場可顯著提高2090合金及2090 + ce合金的延伸率,尤其是對2090合金,但對強則無明顯的影響;同時,固溶電場減少合金的沿晶分層斷比例,並增加穿晶斷及微區塑性形;固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小,並使pfz的減小。
  5. The research shows that : 1 ) the ductility of the hsc bending members constructed is much greater than 5 ; 2 ) increasing the vertical links and distribution steel can increase the deflection under ultimate moment ; 3 ) with appropriate compressive bars, vertical links and distribution steel the increase of moment after yield and the decrease of moment under ultimate moment can be ignored, so the ductility of the hsc bending member is much larger ; 3 ) the width / depth ratio of hsc bending member has no obvious effect on the ultimate compressive strain of concrete ; 4 ) the method used here to calculate the deflection is applicable ; 5 ) the location of crack coincides with the location of vertical links and distribution steel ; 6 ) the bending property of the hsc structure under the blast load can meet the demand of protective engineering

    研究表明:本文研究的梁、板構件的延性比遠大於5 ;增加箍筋(鉤筋、分佈筋)含量,可以提高壓區混凝土剝落時的撓;在適當的受壓筋、箍筋(鉤筋、分佈筋)含量下,可以忽略壓區混凝土剝落瞬間的承載力下降,從而大大提高構件的延性;受彎構件的高比對壓區混凝土極限應的影響不明顯;受彎構件的縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載力和形計算方法是可行的。化爆試驗表明,高強混凝土構件的動載抗彎性能能夠滿足防護結構的要求。
  6. Here, fem is applied in the analyses of i ) fiber axial stress and interphase shear stress in fragmentation tests during initially applied strain, ii ) influence of temperature on the stress transfer across the interface, iii ) modulus and thickness of the interphase and their influence on interfacial stress transfer, iv ) interfacial debonding process, and v ) fragment aspect ratio, contact friction along the interface and their influences to the interfacial stress transfer efficiency

    在論文的這部分工作中,使用有限元法描述和分析了逐節斷試驗中初始應下的纖維軸向應力和界面相剪切應力,溫對界面應力傳遞的影響,界面相模量和厚、纖維節長比、界面脫粘過程、界面接觸中的摩擦效應等因素對逐節斷試驗中應力傳遞的影響。
  7. The reduction factors derived from curve fitting based on calculation results by the finite element program ( ansys ) considering all kinds of damages such as cutouts, corrosion, cracks, denting, initial deflection and residual stress are introduced to modify the effective width of perfect panel in the present paper

    本文考慮板中可能存在孔洞、腐蝕、縫、局部撞損和初始焊接形或殘余應力等損傷和初始缺陷,對不同的損傷形式用有限元程序( ansys )進行大量的計算,通過曲線擬合的方法引入折減系數對完好板格的有效進行修正。
  8. 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

    對試件的靜載下開荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓、截面疲勞抗彎剛縫開展情況及最大、鋼筋及混凝土在循環荷載作用下應等內容進行了研究,分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強等因素對試件疲勞性能的影響。
  9. 3, carry out detailed numerical simulation and analysis for heat extraction of deep - seated hdr based on the tengcong prefecture, reach the major variety rule of rock mass stress, temperature, fracture width depending on the heat extraction. ( 1 ) in the hot dry rock geotherraal energy extraction system, transportation of energy and flow of water arise mainly through the fracture, the lower temperature water attain the high temperature from the injection well to production well through conduction convection and take away the thermal from wall rock

    3 、認真地對騰沖高溫巖體地熱開發進行了數值模擬計算和分析,得出了地熱開發過程中巖體應力、溫以及隨地熱提取的化規律等重要結論: ( 1 )在高溫巖體地熱開發系統中,能量的運移、輸送與水的流動主要通過縫面發生,注入的低溫水在流到生產井的過程中,發生傳導、對流、吸收圍巖熱量,達到升溫的目的。
  10. ( 7 ) in the hot dry rock geothermal energy extraction system, the fracture width widen gradually with the heat extraction, after the system start to operate, in a month the width change rapidly, the growth rate exceed 100 %, and then the change become even, until 3 year, the variety is very small, almost towards to stability

    ( 7 )在高溫巖體地熱開發中,其是隨地熱提取而逐漸加的,在開始運行的一年內,增長迅速,其增長率達到100 %以上,然後得平緩,到3年後,化很小,幾乎趨于穩定。
  11. By using the arrived fundamental solution, combined with the " pseudo - traction " method and the boundary collocation, the stress intensity factor for crack in a finite plate under compressive loading are solved, the effects of crack direction and boundary condition on the stress intensity factor are analyzed, and the varying curves of the sif along with the width are given

    將所得的基本解與「偽力法」 、邊界配置法相結合,得到了有限板在壓縮荷載作用下應力強因子的解法,分析了紋方向和邊界條件對應力強因子的影響,給出了應力強因子隨板化曲線。
  12. Based on the experimental study and theoretical analysis about the concrete members reinforced with cold - rolled ribbed bars subjected to bending, the correction formula about calculating deformation and crack width have been presented, and the calculated results relatively conform to the experimental results. the research results will be helpful to the development and application of the cold - rolled ribbed bars. 3tabs., 6refs

    在試驗研究的基礎上,分析了冷軋帶肋鋼筋受彎構件的和撓形規律,提出了其和撓驗算修正公式,修正值與實測值吻合較好,有利於冷軋帶肋鋼筋的進一步推廣應用.表3 ,參6
  13. In this paper, according to the reaction of deformation and crack of pavement caused by the non - uniform settlement and the whole stability between the new & old embankment after widening the used road on soft ground, based on the study of settlement and stability of soft ground, the author systematically analyzed the mechanism of geosynthetics in the widening pavement structure, and presented a whole settlement computing method of reinforced embankment in widening structure with the theory of soil mechanics

    本論文將利用土力學的相關理論,針對軟土地基上舊路加后,在新舊路基間所出現的不均勻沉降和新舊路基整體結合強不夠而引起的路面形、開等現象,從軟土地基沉降和路基穩定性入手,系統分析了土工合成材料在加路基結構中的作用機理,並初步提出了加道路加筋路堤沉降計算的一整套方法。
  14. The project is completed in the collaboration of the transportation college of jilin university and transportation science institute in jilin province. the paper mainly studies the characteristics and mechanical performance of small size member of bridge, the problems of concrete dense degree and shear lag effect of wide flange. the static load test and supersonic nondestructive test of four pieces of prestressed i - girder with varying section are carried out in bridge structure laboratory of jilin university

    本文針對橋梁構件局部尺寸較小部位的混凝土密實問題,進行了2片腹板為14cm , 2片腹板為16cm的截面預應力工字梁的靜載試驗和超聲無損檢測試驗,提出密實系數的概念,對試驗梁的密實進行定量評定,推導了工字梁的塑性系數公式,基於塑性理論給出了試驗梁的開荷載和極限承載能力計算公式,分析了試驗梁的密實對其開荷載和極限承載能力的影響。
  15. The test result shows the deflection and diagonal crack of recycled aggregate concrete beams are bigger than natural aggregate concrete beams, the shear capacity of recycled concrete beams reduces with the increase of recycled coarse aggregate content, the shear capacity reduces with the increase of shear - span ratio

    試驗結果表明:再生混凝土梁比普通混凝土梁形和斜稍大;隨著再生粗骨料取代率的增加,再生混凝土梁的抗剪承載力略有下降的趨勢;隨著剪跨比的增加,抗剪承載力減小。
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