拉壓強度 的英文怎麼說
中文拼音 [lāyāqiángdù]
拉壓強度
英文
tension-compression strength-
Specially, the axial tensile strength of the interface of the new and old concrete has reached above 2. 40mpa, greatly surpassing the preconcert goal ( > 1. 0mpa ), and its flexural strength also above 5. 80mpa, having surpassed the preconcert target and the standard request ( 4. 50mpa ). ( 2 ) after hardening 4h and 8h the compressive strength of the patched concrete is bigger than 20 mpa, which can satisfy the request of fast patching. ( 3 ) the ych color material, which is mixed into rapid sulfoaluminate cement - concrete patching material, can take better effect and avoid chromatism on the appearance of new - old concrete
特別是新老混凝土界面的軸向抗拉強度已達2 . 40mpa以上,大大超過原定目標(大於1 . 0mpa ) ,其界面抗折強度也在5 . 80mpa以上,也已超過原定指標及規范要求(大於或等於4 . 50mpa ) ; ( 2 )修補混凝土硬化后4h 、 8h抗壓強度大於20mpa ,能滿足快速修補的要求; ( 3 )在快硬硫鋁酸鹽水泥混凝土修補材料中摻入自配的ych調色材料,能較好地起到調色作用,避免新老混凝土表面色差。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。4. the choice reference of medium belt material is came up with : with higher compress intensity, pull intensity and bend fatigue intensity, with middle or low elastic modulus, besides fine heat - resistant, wearable, oil - fast, water - fast anti - impactive capabilities
4 、提出並分析了介質帶材料的合理選擇原則:壓縮強度、拉伸強度和彎曲疲勞強度高和韌性好的中低彈性模量復合材料,此外還需具有良好的耐熱、耐油耐水性、耐磨性、抗沖擊性、耐候性等。This subject is to combine the steel fiber reinforced concrete with the lightweight aggregate concrete to form a steel fiber reinforced lightweight aggregate ( haydite ) concrete, which owns the advantages of high toughness of steel fiber reinforced concrete and the light weight of lightweight aggregate concrete. in order to get the main character and mechanical property parameter of strength and deformation of steel fiber reinforced lightweight aggregate concrete, we do the experiments of cubic compressive strength, splitting - tensile strength, bending strength, elastic modulus and axial compressive strength and summarize the influence laws to the relation of mechanical performance of steel fiber reinforced lightweight aggregate and the quantity of steel fiber
鋼纖維輕骨料混凝土兼有鋼纖維混凝土的韌性高和輕骨料混凝土質量輕的優點,為了掌握這種新型材料的主要特徵和強度、變形等力學性能,本文進行了鋼纖維輕骨料混凝土的立方體抗壓強度、軸心抗壓強度、劈裂抗拉強度、抗折強度和彈性模量等試驗研究,總結出鋼纖維摻量對鋼纖維輕骨料混凝土的力學性能的影響規律。The 3 batches with 7 groups of prism concrete test specimens and the 3 batches with 22 groups of cube ones were used in mechanical properties test, and a series of parameters of rpc was acquired such as prismatic strength, the cubic strength, split and pull strength, deformation module, peak strain, poisson ' s ratio
進行三批7組稜柱體試件和三批22組立方體試件的力學性能試驗,測定了rpc200稜柱體抗壓強度、立方體強度、劈拉強度、彈性模量、峰值應變、泊松比等參數,並建立了變形模量和峰值應變的擬合公式。Results of study show that inception voltage of electrical tree, breakdown voltage, environmental stress cracking, tensile strength and elongation at break of low density polyethylene are improved after grafting
研究結果表明:接枝聚硅氧烷后,改性的低密度聚乙烯的樹枝引發示性電壓、擊穿場強、耐環境應力開裂性、拉伸強度及斷裂伸長率都得到提高。At present experiment on the test the pull and press intensity test to rubber is usually curried out on the stretch experiment machine. most of the testing systems for homemade stretch experiment machines are based on single chip and others are based on pc systems
目前對橡膠產品進行拉壓強度檢測實驗一般是在拉伸試驗機上進行,國產拉伸試驗機大部分是以單片機為主的測試系統,也有部分拉伸試驗機是以pc機系統為核心的測試系統。Unbound and hydraulically bound mixtures - test method for the determination of the indirect tensile strength of hydraulically bound mixtures
鬆散的和液壓粘合的混合料.測定液壓粘合混合料非直接拉力強度的試驗方法The influence factors of brittleness of hslc such as w / b ratio, sand percentage, type of aggregate and binder constitution are analyzed by the experiment : in order to improve the toughness of hslc, we study the function of fiber, polymer, aggregate and low - layer steel fiber on improving toughness, and explain the mechanism of improving toughness of them
最後採用這四種技術復合增韌,得到了和理想結構模型相符的高強高韌性輕集料混凝土,較基準輕集料混凝土抗壓強度增加16 . 3 ,抗彎強度增加97 ,沖擊韌性提高171 . 9 ;劈裂抗拉強度增加52 . 6 ,韌性指數提高19 . 2倍,並且具有耐久、經濟等優良性能。Thea, aimed at different situation and with the combination of the compatibility truss theory and limited balance principle and the truss - strut model, the shear strengthening theoretic formula for the beams under concentrated load is put forward. ground on the test data and real engineering, the simple design formula is afforded
然後,作者以桁架一拱模型和軟化桁架理論為基礎,綜合極限平衡原理,考慮了拉應變存在條件下混凝土抗壓強度的軟化,針對不同加固情況推導了集中荷載作用下的矩形截面約束梁的抗剪加固理論公式。Sufficient test data were acquired for investigating the damage and constitutive behavior of concrete. second, according to the fitting of experimental data, the evolution equation of damage is obtained. the main factors affecting the damage development are examined and the causes are expounded
其次,通過對試驗結果的非線性回歸分析,得到損傷演化的經驗表達式,並以此為依據,分別深入地研究了混凝土在經歷過常規三軸受壓和三向等壓等荷載歷史后,抗壓強度和抗拉強度隨荷載歷史增加而發生劣化的演化規律。With the prerequisite of meeting requirement of its working performance, the mix design of common grades can be concluded though strength test if we check various property of the said concrete with the certain mix design, such as compressive strength, tensile strength, elastic modulus, reinforcement wrapping strength, leakage resistance, shrink property and charring resistance, and compare them with property of ordinary concrete, we will find that the various dynamic property of self - densifying high performance concrete is very satisfactory and the durability is quite ideal
在滿足自密實高性能混凝土工作性能的前提下,通過強度試驗得出常用強度等級混凝土的配合比,檢測該配合比下的自密實高性能混凝土的抗壓強度、劈裂抗拉強度、彈性模量、鋼筋握裹力性能、抗滲性、收縮性、抗炭化性等性能,以及各種性能與普通混凝土的比較,驗證自密實高性能混凝土硬化后的各方面力學性能是完全能夠符合要求的,並且具有較高的耐久性。Viewing solely from their performance, mdf, dsp, rpc all enjoy a high compressive strength. their flexural strength, fracture toughness and elastic module have broken the limit of traditional cement based materials. all these materials have acquired the features of high toughness material
從材料性能審視,無宏觀缺陷水泥基材料、均布超細顆粒緻密體系、活性粉末混凝土等的抗壓強度都非常之高,其抗拉強度、斷裂韌性和彈性模量也突破了傳統水泥基材料的限度,這些材料具備了高強韌性材料的特徵。The data used in the ann model are arranged in a format of 8 input parameters that cover the compressive strength, tensile strength and width of cube concrete ; the thickness, the width, the bond length and the elastic modulus of the cfrp plate. 15 sets of experimental data are used for predicting
神經網路的建立考慮了碳纖維布的厚度、寬度、粘結長度、彈性模量、抗拉強度和混凝土試塊抗壓強度、抗拉強度、寬度這8個參數,運用了118組試驗數據對網路進行訓練,對15組數據進行了預測分析。Compared with those of as - sprayed ring, hardness and tension strength of area near processing face are increased by 45 % and 40 % respectively. friction mechanical performance of the ring is improved at large extent, and especially the wearing amount is merely 13 % of as - sprayed rings. after dual - direction cyclic pressing, the pore - closed state and the distributing of density and hardness are nearly identical in every part of ring. the friction mechanical property is close to that of single - direction - cyclic - press ring
靠近壓力加工面部位,硬度較沉積坯提高了45 % ,拉伸強度較沉積坯提高了40 % 。雙向楔壓后孔洞閉合、密度硬度分佈都比較均勻。單向楔壓后,用壓力加工面作為摩擦面, al - 20 % si / sicp復合材料的摩擦磨損性能得到大幅度提高,尤其磨損量為楔壓前的13 % 。A : last, the mechanical characters of materials with refined structures are tested. it proves that both plasticity and the strength are improved
最後對獲得的細晶材料進行力學性能(抗拉強度、抗壓強度和延伸率)測試,與未加細化劑的合金進行比較,證明塑性和強度都有所提高。After determined the proportion of furan resin concrete, it mixed with durafiber of vary content and vary length, then the most fitting length and proportion of durafiber were determined by testing its mechanical properties ( compressive strength, tensile strength and bending strength ). the mechanical properties of furan polymer mortar were tested also, which is mixed with durafiber of changeless length and vary content, and the most fitting content of durafiber was determined
研究確定呋喃樹脂混凝土的配方后,加入不同含量、不同長度的杜拉纖維,通過對其力學性能(抗壓強度、劈裂抗拉強度、抗折強度)的測試,確定杜拉纖維的合適長度和最佳摻量;在呋喃樹脂砂漿中加入不同含量、同一長度的杜拉纖維,通過其力學性能的測試,確定杜拉纖維的最佳摻量,探索了杜拉纖維增強呋喃樹脂混凝土(砂漿)的破壞機理。From the experiments, we can see the affect of concrete performances mixing with liter polypropylene fiber and glass fiber is minor. compare with common concrete, the crack - load of concrete slab mixing with liter polypropylene fiber and glass fiber is marked improved. mixing with liter polypropylene fiber and glass fiber, the behavior of cracks - resisting of is marked improved, and the cracks are controlled and smeller
研究表明,在混凝土中摻入低摻量的聚丙烯纖維或玻璃纖維對抗壓強度及抗拉強度的影響較小;纖維混凝土板比普通混凝土板的開裂荷載有較為顯著的提高;加入低摻量的聚丙烯纖維后,混凝土板的抗塑性開裂性能有顯著提高,可以抑制、細化裂縫。The correlation between the compressive strength and axial tensile strength of rcc with placing joint and ultimate tensile strain of placing joint of rcc layers have been obtained
通過試驗研究給出有層面碾壓混凝土抗壓強度、層面軸拉強度與層面極限拉伸值間相關關系。The mechanical properties include cubic compressive strength, flexural strength, splitting tensile strength
力學性能包括:立方體抗壓強度、抗折強度、劈裂抗拉強度。分享友人