石強度 的英文怎麼說
中文拼音 [dànqiángdù]
石強度
英文
stone strength-
Feldspqr s degree of hardness motion between 6 - 6. 5, specific weight motion bet ween 2 - 2. 5. it s brittleness but have the higher anti - to press the strength, right sour have the stronger chemistry stability. the potassic feldspar s color many is red for meat, and also have the ash, white the brown. the albite is white, ash and buff the anorthite is white or shallow gray
長石的硬度波動於6 - 6 . 5 ,比重波動於2 - 2 . 5 ,性脆,有較高的抗壓強度,對酸有較強的化學穩定性。鉀長石顏色多為肉紅色,也有灰白褐色。鈉長石為白灰及淺黃色,鈣長石為白色或淺灰色。The strengths decrease in order crocidolite chrysotile, amosite.
強度按青石棉,溫石棉,鐵石棉順序下降。The variation of ultimate tensile strength with length for amosite crocidolite, chrysotile is shown in table 2. 10.
鐵石棉,青石棉和溫石棉的極限抗拉強度隨長度的變化情況見表210The variation of ultimate tensile strength with length for amosite crocidolite, chrysotile is shown in table 2. 10
鐵石棉,青石棉和溫石棉的極限抗拉強度隨長度的變化情況見表2 10Natural diamond die is one the best for the drawing of precision wires. the diamond is selected meticulously to be complete grains with good. symmetry free from any foreign substances. it is prepared with advanced powdermetallurgicaltechnology that makes the diamond with the strongest strength and antiknock property during the processes
天然金剛石拉絲模對于各種精密線材的拉制是最好的模具之一,採用的天然金剛石是經過精心挑選的,必須是顆粒完整對稱性好,沒有雜質,又採用先進的粉末冶金技術鑲套從而使金剛石在拉拔過程中獲得最大的強度和抗爆裂能力。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。Based on the characteristic of rock strength, an expression of happening probability of influencing structural earthquake was derived
摘要依據巖石強度的分形特性,導出了影響構造地震發生概率的表達式。According to the reinforcement mechanism, some experimental phenomena and rules in the strength tests of cemented soil and cemented stone are explained
根據固化機理,解釋了水泥土和水泥石強度試驗中的一些現象和規律,分析了納米硅粉改性水泥土的適用性。Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume
結合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水化促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水化硬化過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為顆粒細度、晶體結構、表面羥基等特性。The grouting liquid with this stability agent has many advantages such as the good volume stability, low dialysis ratio, high strength of cement rock less dry - shrink and convenient construction etc. when the water - cement ratio is 0. 6 or 0. 8, the 28d strength of cement - rock is 210 % and 179 % of the bentonite cement - rock under standard maintain
該穩定劑配製的水泥漿具有體積穩定性好、不析水、結石強度高、不幹縮、施工方便等優點。如水灰比0 . 6 、 0 . 8時,標準養護條件下28d強度分別較膨潤土水泥漿結石提高100和80以上, 20水中養護28d強度則提高30左右。During the construction of a deep - embedded tunnel with long distance and large cross - section, only one tunneling method is hard to meet the construction requirement as the tunnel line is too long with varied embed depths, and furthermore, different classes of surrounding rocks with various strengths, breaking degrees are to be met therein
在長大深埋隧洞施工中,由於洞線長,涉及的圍巖種類繁多,巖石強度及破碎程度不同,且埋深不一,採用單一的施工方法可能很難滿足施工的需要。Establishing microwave radiating modified coal gangne intensity regression equation by crossed design technique
利用正交多項式建立微波輻照改性煤矸石強度回歸方程The main factors have been determined to be the depth and width of hole, the strength of surrounding rock, the types of detonator, the decoupling coefficient, burden and unit consumption form what has been discussed, the author make use of those major factors as standard of affection and studied bp neural networks " work principle, structure and defectiveness. a model of modified bp neural networks has been used to built model in order to identify selection and optimize of blasting in rock anchor beam. triumphant parameter design of blasting were selected as a example, in order to perform network of parameter design
確定以炸藥類型、最小抵抗線、孔深、炮眼間距、不耦合系數、線裝藥量、巖石強度和巖體完整度為主要影響因素;把改進的bp演算法應用在爆破參數優化設計中,建立以炸藥類型、最小抵抗線、炮孔深度、炮眼間距、線裝藥量、不耦合系數、巖石強度和巖體完整度為主要影響指標,選擇45例國內外成功的爆破參數設計實例為樣本,利用bp神經網路進行爆破參數優化設計,並通過現場保護層和巖臺修面爆破試驗以及對其松動圈范圍進行聲波測試,其測試結果最優的爆破方案其松動圈最小,這與神經網路進行參數優化設計的爆破方案相吻合。Relationship between fractal features of microvoid grains distribution and strength of rock
巖石顯微空隙粒度分佈的分形特徵與巖石強度的關系Protodyakonov coefficient of rock strength
普氏巖石強度指數Abstract : the influence of geology, geostress, rock strength and construction method on surrounding rockmass deformation was analysed in this paper. the sensitivity of deformation to horizontal geostress and rockmass elastic modulus was analysed through numerical modeling and sensitisity factor was obtained. this study has important significance to how to select rockmass mechanical parameter
文摘:從地質、地應力、巖石強度及工程施工方法等幾方面分析對川藏公路二郎山隧道圍巖變形位移的影響,通過數值模擬分析水平地應力和巖體彈性模量對洞壁變形位移的敏感性,並求出敏感度因子,這項研究對巖體力學參數的選取具有重要意義。The formula has been reduced between the original damages and the crashing attracted factor, rock stress, and then, the paper give the rock theoretical dynamic principle formula in rock cashing attracted face
得出了破碎吸引因子與巖石強度和初始損傷的關系式,並從理論上建立了巖石爆破破碎吸引面動態本構方程。In the whole, the density get large when frozen, and the freezing rate is reverse rational to the degree of the density enlargement. the density get small when frozen, and the freezing rate is reverse rational to th
對于巖石強度較大,孔隙貫通程度較小的硬巖,凍結速度對其影響最大,凍結后巖石整體上密度呈增大的現象,但增大的程度跟凍結速度成反比。In view of load transferring capability of rock - socketed piles, this paper compares rock - socketed piles with non - rock - socketed piles, analyzes influencing factors ( pilelengtru pile diameter pilemodulusx character of bearing stratuiru mud hull sediment of pile bottom and roughness ) on force character. with different load transferring functions, a set of analytical equation for single pile settlement calculation of rock - socketed piles are established : three stages of p - s curve from analytical equation are gained which are straight linex curve x straight line ; and relationship curves in different pile modulus and in different rock - socketed length
根據所選用的不同的荷載傳遞函數,導出了嵌巖樁單樁沉降計算的一種解析演算法,分析得出嵌巖樁p ? s曲線按荷載變化分為直線?曲線?直線段三個階段,不同樁身模量下承載力的變化曲線,樁身模量、樁端巖石強度是影響單樁承載力的重要因素,不同嵌巖深度下端阻比的變化曲線。The influence of the crystal shape impurity and temperature on the strength of diamond
雜質及溫度對金剛石強度的影響分享友人