compressive strain 中文意思是什麼

compressive strain 解釋
壓縮變形
  • compressive : adj. 有壓力的,壓縮的,壓榨的。adv. -ly ,-ness n.
  • strain : vt 1 用力拉,拉緊,抽緊,扯緊。2 使緊張;盡量使用(肌肉等)。3 強迫,強制;濫用,盡量利用。4 拉傷...
  1. Effect of strain rate on the biaxial compressive behavior of concrete

    雙向應力狀態下混凝土的動態壓縮試驗研究
  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。
  3. 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度;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;受彎構件的寬高比對壓區混凝土極限應變的影響不明顯;受彎構件的裂縫間距受箍筋(鉤筋、分佈筋)的布置影響;文中所用的承載力和變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。
  4. Road vehicles - brake linings - compressive strain test method

    道路車輛.制動閘襯.壓縮應變試驗方法
  5. Ultimate compressive strain of concrete

    混凝土極限壓應變31
  6. Automotive parts - brake linings and brake pads - compressive strain test method

    汽車部件.制動襯片和襯塊.壓縮應變試驗方法
  7. Generally, the maximum tangential compressive strain was 2 ~ 4 times of vertical and radius - orientation direction

    環向最大壓應變一般為同一監測層位豎向、徑向最大壓應變的2 ~ 4倍。
  8. Safety of the shaft wall was discussed taking into account of ultimate compressive strain of high strength concrete ( hsc )

    結合高強混凝土的極限壓應變,分析了井壁結構的安全性。
  9. The maximum tangential compressive reaches 2221, which is about 76. 6 % of the ultimate compressive strain, within safe status

    在龍固副井施工中,井壁環向最大壓應變達2221 ,約為極限壓應變的76 . 6 % ,處于安全狀態。
  10. Objective. to determine the apparent glucose diffusivity in 2 directions ( axial and radial ) of bovine af under 3 levels of compressive strain ( 0 %, 10 %, and 20 % )

    目的:測定牛纖維環在低於3個等級( 0 % , 10 % ,和20 % )的壓縮應變下在2個方向(軸的和輻射的)上葡萄糖的近似擴散系數。
  11. The study proved that tensile strain arose firstly in the outer shaft wall after it ' s building, then decreased gradually with decreasing of temperature, finally, it converted to compressive strain

    研究表明:外層井壁澆筑後,混凝土首先產生拉應變,而後隨井壁溫度下降而逐漸減小並轉變為壓應變。
  12. For strained si pmosfets, the hole mobility is not only determined by the tensity of strain, but also related to the strain types, which are uniaxial compressive strain and biaxial tensile strain. when electric field is high enough, the hole mobility will be deteriorated in pmosfets under biaxial tensile strain, however, in the case of uniaxial compressive strain, the deterioration will never occur

    經模型分析發現,應變硅pmosfet空穴遷移率與應力作用方式有如下關系:當橫向電場較高( > 5 105v / cm )時,雙軸張應力作用下的應變硅pmosfet的空穴遷移率將發生退化,而單軸壓應力器件則不會受到影響。
  13. Structural reinforcing rods protect cable from excessive bending strain and compressive stresses, and the current transfer tab is designed for economical grounding by providing direct contact with opgw, accommodating a 1 2 " bolt and nut

    光纜固定採用與光纜直徑相匹配的鋁管夾緊,防止夾傷光纜,根據需要,可安裝在桿塔的不同部位,安裝操作極為方便。
  14. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射線衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  15. A developed measuring system and test method of green sand properties are introduced. by means of measuring the standard molding sand specimens, the dynamic curves of stress - strain can be quickly and accurately plotted out and several parameters, which represent the characteristics of molding sand, can be tested during the process of compressive deformation. in this brand new method of property measurement two new concepts of viscoelastic parameter and plastic deformation threshold are put forward

    介紹了一種研製的型砂性能檢測系統與測試方法,通過對標準砂樣的測試,能迅速、準確地測得砂樣受載過程中的應力應變的動態關系曲線及反映型砂本質特徵的幾項性能參數,這是型砂性能檢測領域中的新探索,其中型砂粘彈性指標及塑性變形臨界值乃是型砂性能方面的新概念。
  16. 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

    對試件的靜載下開裂荷載、疲勞破壞特徵、疲勞壽命、疲勞荷載作用下的跨中撓度、截面疲勞抗彎剛度、裂縫開展情況及最大裂縫寬度、鋼筋及混凝土在循環荷載作用下應變等內容進行了研究,分析了疲勞循環特徵值、縱筋配筋率、骨料種類、混凝土抗壓強度等因素對試件疲勞性能的影響。
  17. In order to assure the bonded - strengthened beams to have ductility and fully exert the compressive capability of concrete, the paper deduces the lower limit compressive height used in design from the plane section assumption and theory of limit destruction. the lower limit compressive height is when the strain of compressive edge fiber reaches its peak value ( 0. 002 ) and the externally bonded material reaches its limited strain ( 0. 01 )

    由平截面假定和界限破壞理論,並保證粘貼加固梁具有一定的變形能力和較為充分地發揮混凝土的抗壓性能,本文以受壓區混凝土邊緣應變達到峰值應變( 0 . 002 ) ,而加固材料應變剛好達到極限值( 0 . 01 )的界限破壞時混凝土受壓區高度做為粘貼加固梁設計高度的下限值_ ( c0b ) h 。
  18. The compress tests on multiaxial multi - layer warp knit glass - fiber composite ( mmwk ) have also been carried out at high strain rates. the out - of - plane compressive property of multiaxial multi - layer warp knit glass - fiber composite are also rate sensitive. the maximum stress strain and elastic modulus of mmwk composite increase with the rising of strain rate

    首次對多軸向經編玻璃纖維復合材料進行了高應變率下的面外壓縮試驗,實驗結果表明,多軸向經編結構玻璃纖維復合材料在面外力學性能上是應變率相關的,隨著應變率的增加,沖擊壓縮瞬時應力增加,最大應力和最大應變增加,同時初始模量也有增大的趨勢。
  19. The combination of lateral stress and maximum vertical strain denotes the loading history and the reduction of tensile strength and compressive strength denotes the damage of concrete. this work is the theoretical foundation of study on the damage, of concrete due to loading history

    分別用經歷過荷載歷史后混凝土試件的抗壓和抗拉強度的劣化來定義其抗壓和抗拉損傷,為下文深入研究損傷隨荷載歷史的發展演化規律奠定了扎實的理論基礎。
  20. ( 211 ) reflection of the polycrystal a - iron sample is used in the simulation experiments, and both the resulting full - width - at - half - maximum ( fwhm ) of the diffraction peaks and peak shifts under tensive and compressive strain are in accord with that expected from analytical methods. the instrumental resolution curves, under various combination of the first collimator and second collimator and take - off angle of the monochromator, are given

    用- fe多晶樣品的( 211 )晶面進行了模擬實驗,得到的衍射峰半高寬以及拉應變和壓應中國原子能科學研究院博士學位論文變作用下衍射峰移動的模擬結果都與解析方法的預期值符合得很好。
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