strength curve 中文意思是什麼
strength curve
解釋
強度曲線-
The construction and application of strength measurement curve of abies fabric root system with pull - out method
冷杉根系抗拔法測強曲線的建立與應用 -
In this research, the lime - fly - ash bound macadam was joined with steel fibers, glass fibers and polypropylene fibers with the contents of the lime, the fly ash and the macadam fixed in lab tests. the study focuses mainly on the split strength, compression strength, and modulus of compressive resilience and shrinkage property of the lime - fly - ash bound macadam enhanced by different kinds of fibers. based on the test, a detail theoretical analysis was made on the relation of mechanical property, dry shr inkage with the variety and the quantity of fibers, applying the theories of strength, dry shrinkage and the methods of statistics, curve mimesis and variance analysis
本論文主要是研究在同一種二灰碎石混合料（石灰、粉煤灰、集料的含量及比例相同）中分別摻入不同數量的鋼纖維、玻璃纖維、聚丙烯纖維，通過室內試驗對其抗拉強度、抗壓強度、抗壓回彈模量和乾燥收縮性能與纖維摻量和纖維品種之間的關系加以分析和研究，並在此基礎上根據二灰碎石強度形成機理、乾燥收縮機理和數理統計、曲線擬合、方差分析的方法分析纖維品種和纖維數量對二灰碎石的力學性能和乾燥收縮性能的影響，最後得出纖維對二灰碎石的強度、抗壓回彈模量、乾燥收縮有很顯著的影響，並提出了相應的建議。 -
According to the recorded full process fracture curve, the paper calculated and compared the fracture toughness ( kic ), the fracture energy ( gf ) and crack tip opening displacement ( ctod ) of the different strength grade boulder concrete and crushed stone concrete, it is found that the maximal load ( fmax ) and the fracture toughness ( kic ) of boulder concrete and crushed stone concrete increase when the strength of them increases, so does the fracture energy of boulder concrete, but the fracture energy of crushed stone concrete does n ' t obviously increase when it ' s strength increases. the crack tip opening displacement ( ctod ) of all specimens chang less when the strength of concrete increases, so it is concluded that the location of the axle in the ligament of the specimens is relatively stable
根據記錄的全曲線，計算了不同強度等級的卵石混凝土、碎石混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod ，比較了不同強度等級卵石混凝土及碎石混凝土的斷裂韌度k _ （ ic ） 、斷裂能g _ f以及裂縫的尖端開口位移ctod的關系，發現卵石混凝土、碎石混凝土的荷載峰值fmax 、斷裂韌度k _ （ ic ）隨強度增加而增加，卵石混凝土的斷裂能g _ f隨強度增加而呈增加趨勢，碎石混凝土的斷裂能g _ f隨強度增加變化趨勢平直，增勢不明顯。 -
The study on hpec mortar shows that restricted expansive ratio ( e2 ) increases in the curve of parabola with the increase of the dosage of calcium sulphoaluminate ( csa ) expansive agent. so there is a suitable range of csa dosage ( generally 6 % - 12 % ). in this range, e2 of hpec mortar can reach as high as ( 5 - 10 ) 10 ~ 4, and the strength is not decreased
對hpec砂漿的研究表明，限制膨脹率隨膨脹劑csa摻量的增加呈拋物線形式遞增，存在一個合適的csa摻量范圍（一般為6 - 12 ） ，在該范圍內hpec砂漿限制膨脹率可高達5萬- 10萬，且保證強度不下降，這就為設計不同膨脹能級膨脹混凝土而又保證混凝土強度等級提供了空間。 -
First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given
首先利用改進的三點彎曲試驗在mts實驗機上進行了巖石力學性能和蠕變測試，得到了花崗巖在溫度影響下的彈性模量和斷裂韌度以及抗拉強度變化規律，並得到了200下北山花崗巖蠕變全過程曲線。 -
The experiment procedure and analysis result about exteriorly extended end - plate connection with high strength bolt are introduced primarily ; each sample ' s dimension is given. the adding load equipment, measuring apparatus placed, measuring point established is detailed. adding load measure load and m - curve is produced ; the single span gabled frames horizontal displacement formula is deduced when the horizontal concentrated force is applied to it
重點介紹了外伸端板高強螺栓連接的實驗過程及實驗分析結果，介紹了各組試件的形狀尺寸、加載裝置、測量儀器安放、測點的布置等；給出加載方式及測出的m -曲線；計算出試驗節點的初始剛度；推導水平集中力作用下單跨門式剛架考慮節點半剛性的側移計算公式。 -
The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。 -
Based on the experimental data of rotor steel 1crmov in the loading of low - cycle fatigue at high temperature, the strength behavior and the fatigue life curve of this material at 550 have been achieved. meanwhile, with respect to three kinds of notched bar, their material damage assessment method under multiaxial stress condition is discussed
本文在1crmov材料的高溫低周疲勞實驗數據進行了整理和統計的基礎上，得到了材料的疲勞強度特性曲線和疲勞壽命曲線，同時對三種不同缺口形式的圓柱形試件進行了多軸應力狀態下的材料損傷的研究，並通過數值計算方法進行了疲勞壽命評估。 -
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。 -
Establishment of local curve for ground slag concrete strength by rebound method
早齡期磨細礦渣混凝土回彈法專用測強曲線的建立 -
By low - cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. we study the loading characteristic values ; the property of hysteretic curve and skeleton - frame curves ; the ductility property and stiffness degradation. lastly, based the data got from the test, this paper analyses and value the seismic behavior of every members
在試驗基礎上，研究了軸心受壓構件的承載力計算和穩定問題；研究了低周反復水平加載條件下，彎剪構件和整體空心墻板的強度、變形、能量特性；軸壓構件的荷載特徵值；彎剪構件和整體空心墻板的滯回曲線、骨架曲線、延性等參數；從強度、變形和能耗等方面判別和鑒定各構件的抗震性能，對各個構件給出了試驗的結論、評價。 -
Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up
首先基於經典層板理論，將復合材料層板的彈性問題化歸為均勻各向異性板來求解；採用各向異性體平面彈性理論中的復勢方法，以faber級數為工具，給出了有限大含橢圓核各向異性板彈性問題的級數解形式；利用雜交變分原理，成功導出含橢圓核各向異性板雜交應力有限元，並用算例驗證了該單元的可行性和有效性；採用含剛度折減橢圓形彈性核的沖擊損傷模型，引入基於特徵曲線和yamada - sun破壞準則的點應力判據，建立了含損傷復合材料層板剩餘強度的分析方法；通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響，得到了一系列對工程應用具有實用價值的結論。 -
This paper introduces the simulation method and advanced computer technology combining with ship statics principle into cargo shipment of bulk grain carrier, and develops loading simulation system of the bulk grain carrier. and introduce the principle of system and method of implement particularly. this paper describes the relating high precision calculation algorithms of the stability, trim and strength calculation used by the loading software in detail, focuses on the algorithms of numerical value integral and curve difference and imitate algorithms
另外，本文還引入模擬的方法，採用先進的計算機技術，結合船舶靜力學原理和散裝穀物船舶穩性校核的特殊要求，開發了散裝穀物船舶的裝載模擬系統，並詳細介紹了該系統的原理和實現方法，在計算方法上，採用了高精度的浮態、穩性、和強度的計算方法。 -
Optimization of mix proportion design for high strength and high performance concrete using bolomey curve
應用保羅米曲線優化設計高強高性能混凝土配合比的嘗試 -
The author ' s program can resolve the following problems : ultimate strength of hull girder, the panel ' s curve of stress - strain
作者的程序可解決如下問題：船體梁的極限承載能力以及加筋板單元的平均應力-應變關系曲線。 -
There would be found distinct second " hardening apex in the curve when a conclusion was drawn that i : is likely that the most effective measurement to increase the strength and toughness is to fine grains and precipitate carbide nucleates of microalloyed elements, especially, fined grains of microalloyed elements increase the strength and toughness greatly
結論；綜上所述，在一定的熱處理工藝下，提高微合金化50crv鋼強韌性的最有效的方法是細化晶粒和沉澱強化，特別是微合金元素的細化晶粒強化作用。 -
By deep analyzing the tested value of the concrete strength with the rebound method and combining with the inverse regression theory, a rebound strength curve ( empirical formula ) of three - parameter inverse regression is put forward
摘要基於對回彈法檢測混凝土強度被檢測量，結合逆回歸理論提出了一種逆回歸三參數回彈法測強曲線模型（經驗公式） 。 -
Location parameter method for building rebound in - situ strength curve
建立寧夏地區回彈法測強曲線的研究 -
The shear strength curve and compressed curve and soil - water characteristic curve as well as triaxial stress - strain curve of intact loess were obtained
得到了原狀黃土的抗剪強度曲線、土-水特徵曲線、壓縮曲線及三軸應力應變曲線。 -
While doing analog simulation experiment, the strength curve should be marked by the bulk intensity of analog simulation model, in order to verify it according the fact of experiment, and make correct analysis on experimented results
因此做相似模擬實驗時，可在強度曲線上標明模型容重，並根據實驗的實際情況進行校正檢驗，從而在此基礎上再對實驗結果進行正確分析。
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