cracking ratio 中文意思是什麼

cracking ratio 解釋
混凝土開裂系數
  • cracking : adj 分裂的,分解的;〈美俚〉極快的,猛烈的。 cracking distillation 【化學】裂解蒸餾(法)。 crack...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. At the same time, the problem from the concrete cracking is effectively solved through the measures such as enhancing the quality of the excavated surface, adjusting the admixing ratio of fly - ash in the concrete, and lowering the temperature rise of the hydration heat

    同時通過提高開挖表面質量,以及調整粉煤灰摻量以降低水化熱溫升等措施,有效地解決了混凝土裂縫問題。
  2. After the bottleneck in the original ethene production plant is analyzed, the revamp design plan for srt - iii cracking furnace is proposed. the measuring results after revampment show that the thermal efficiency and ethene recovery ratio are increased compared with the design data ; the production capacity of ethene cracking furnace is enhanced, and energy consumption is reducted

    通過分析原乙烯裝置生產存在的「瓶頸」 ,提出了srt -型裂解爐改造的設計方案,並對改造後效果進行測量,熱效率和乙烯收率均比設計值有所提高,乙烯裂解爐的生產能力提高了,能耗降低了。
  3. The existing of poypropylene can raise the liquid fraction ratio, especially the light oil ratio, so it can fortify the effect of the cracking reaction of polyene to light oil

    摘要在廢舊聚烯烴的裂解反應中,聚丙烯的存在,可以提高輕油餾份的收率,增強反應的油化效果,本文稱之為聚烯烴裂解反應的增強效應。
  4. Inorganic anti - cracking reinforced chemical additive, called wj, generates some tittle expansive crystals in hydration process in concrete to reduce the porosity and improve the distribution of pore size. the expansive power is process in common to tumefaction that petty crystalloid aft suck water and pressure to concrete pores that aft crystal gather volume. its adding weight was 8 % - - 12 % in cement, its restrained expansive ratio was about 0. 02 % - - 0. 06 %, and relevantil brought self - stress 0. 2mpa ?. 6mpa

    無機增強抗裂材料wj摻入普通混凝土中,在水化硬化過程中生成一定量的微膨脹結晶體,降低空隙率,改善混凝土中孔結構分佈。其膨脹驅動力是凝膠尺寸的晶體鈣礬石吸水腫脹和結晶狀鈣礬石對孔隙產生膨脹壓的共同作用。當wj摻量為8一12兒在鋼筋和鄰位的限制下,使混凝土產生0
  5. The trends of plastic shrinkage cracking in concretes made with the same water or cement paste content per cubic meter are similar with the above case, but the critical w / c ratio is about 0. 45 - 0. 4 and 0. 4, respectively

    2 )在一定砂率范圍內,較低和較高砂率對應的混凝土拌合物不易開裂,而中間某一臨界砂率對應的混凝土拌合物開裂較大,這一臨界砂率變化范圍為36 - 43 % 。
  6. In the paper the effects of the made parameters, the main materials and environmental conditions on plastic shrinkage cracking were investigated. it can be concluded as following : 1 ) there was a critical w / c ratio of maximum plastic shrinkage cracking between lower and higher w / c ratio of concrete mixtures made with the same cement content per cubic meter, concretes with lower or higher w / c ratio being less prone to plastic shrinkage cracking and the w / c critical ratio critical of maximum plastic shrinkage cracking being about 0. 5

    本文研究了配製參數、主要原材料以及環境條件對新拌混凝土塑性收縮裂縫的影響,結果表明: 1 )單方混凝土水泥用量一定時,較低水灰比和較高水灰比對應的混凝土拌合物不易開裂,而中間某一臨界水灰比對應的混凝土拌合物開裂較嚴重,這一臨界水灰比為0 . 5 ;單方混凝土水用量或水泥漿量一定時,混凝土拌合物的塑性開裂趨勢與上述情況相似,但臨界水灰比分別為0 . 45 - 0 . 4和0 . 4 。
  7. This resin has a good spraying performance, flow - linked performance, and with styrene by any mixing ratio, from glossy finish, transparent, smooth and good, spray product is not easy to have a bubble, high hardness and resistance to cracking

    該樹脂具有良好的噴塗性能,防流掛性能,且可與苯乙烯按任何比例混合,所得漆面光澤性、透明性、平滑性很好,噴塗產品不容易產生氣泡,硬度高和耐開裂。
  8. In the aspect of improving the cracking feature, compatibility and flexibility, the author has done experiments, including strength, modulus of elasticity experiments, and design some experiments similar to the practical structure and circumstance including adhesion strength between fresh mortars and old ones, between mortar and polystyrene board, mortar shrinkage in concrete circle, mortar shrinkage at different strength and different polymer - cement ratio, and temperature deformability at different strength and different polymer - cement ratio on mortars, on different type of formwork and on mortars with different type of formwork

    在改善砂漿抗裂性、提高柔韌性和協調變形能力方面,進行了不同聚合物摻量的強度試驗、彈性模量試驗;設計了與模網混凝土實際結構和情況相接近的新老砂漿粘結強度試驗、砂漿與苯板的粘結試驗以及混凝土環中的砂漿收縮試驗;進行了不同強度、不同聚合物摻量下的砂漿干縮變形試驗、溫度變形試驗,以及不同結構形式的鋼網自身溫度變形試驗和配有鋼網的砂漿溫度變形試驗。
  9. 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。
  10. In this paper, five restrained beams with web and different longitudinal reinforcement were tested under static point loads, with the shear - span ratio being kept around 1. 5. on this basis, the overall process of cracking development under shear and the effect of longitudinal reinforcement ratio on it was investigated

    本文通過集中荷載作用下五根剪跨比為1 . 5 、不同縱筋率的有腹筋約束梁的試驗,深入研究了有腹筋約束梁的受剪破壞全過程及縱筋率對其的影響。
  11. The main achievements of this thesis are as follows : l. the effect of the frp reinforcement ratio on cracking moment is analyzed. the calculating method and corresponding calculating formulas of flexural cracking moment of frp reinforced concrete beam are put forward

    分析了纖維增強塑料筋配筋率對纖維增強塑料筋混凝土梁正截面開裂彎矩的影響,提出了纖維增強塑料筋混凝土梁正截面抗裂度的計算方法和相應的計算公式。
  12. B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one

    研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。
  13. Until now, the domestic and overseas scholar has studied the factors that have effect on performance of steel fiber reinforced concrete corbel such as shear span to depth, strength of concrete, reinforcement ratio ( including longitudinal reinforcement and stirrup ) and ratio of horizontal to vertical load. for calculating the cracking load, and ultimate load domestic and foreign scholar has brought forward a series of calculative formulas and methods have been put forward that based on statistical analysis, flexural model and truss model

    到目前為止,國內外學者已研究了剪跨比、混凝土強度、配筋率(包括縱向鋼筋和箍筋) 、水平荷載與垂直荷載之比等因素對鋼筋鋼纖維混凝土牛腿受力性能的影響,對牛腿的抗裂計算和承載力的計算,國內外學者曾提出了基於數理統計分析、彎壓模型和桁架模型等的一系列計算方法和計算公式。
  14. The results showed that there was notable effect of soybean protein on the frozen dumpling quality, and it was different to the different ( lines ) wheat flour ; after adding appropriate amount of soybean protein, the cracking ratio of frozen dumpling and loss ratio of boiled dumpling of shan 168, pubing 143, 31 - 1 - 12, 981 wheat flour dumpling both fell at different degrees, but the cracking ratio of frozen dumpling and loss ratio of boiled dumpling of 3 - 2 wheat flour dumpling increased ; after adding soybean protein, the frozen and boiled appearance, eating sense, boiled and dumpling soup character of 3 - 2, 31 - 1 - 12, 981 wheat flour dumpling were improved, but the eating sense of shan 168 and the soup character of pubing 143 wheat flour dumpling were not affected, but other sensory indexes were obviously improved

    結果表明,大豆蛋白對冷凍水餃質量有顯著影響,對不同品種(系)小麥粉水餃的影響不同;添加適量大豆蛋白,可使陜168 ,普冰143 , 31 - 1 - 12 , 981小麥粉水餃的凍裂率和烹煮損失率有不同程度的降低,但使3 - 2小麥粉水餃的凍裂率和烹煮損失率升高;添加大豆蛋白能明顯改善3 - 2 , 31 - 1 - 12 , 981小麥粉水餃冷凍后和煮后外觀、口感、耐煮性及餃子湯特徵;添加大豆蛋白雖對陜168水餃口感和普冰143水餃湯特徵無明顯影響,但可明顯改善其他感官指標。
  15. Effects of water - cement ratio on plastic shrinkage cracking of concrete

    水灰比對混凝土塑性收縮裂縫的影響
  16. 4 ) the effects of fly ash and silica fume on plastic shrinkage cracking were related to the actual w / b ratio of concrete mixture

    對粉煤灰,這一水膠比界限約為0 . 36 ,對硅灰約為0 . 4 。
  17. There was a borderline w / b ratio, above which concretes containing fly ash or silica fume were more sensitive to plastic shrinkage cracking than that of concretes without fly ash or silica fume, and below which fly ash or silica fume high performance concretes can restrain the plastic shrinkage cracking

    6 )在室內控制環境條件下,降低環境溫度、風速以及提高相對濕度均可減少新拌混凝土水分蒸發速率,從而減少塑性收縮裂縫。相比之下,提高環境相對濕度對減少水分蒸發和裂縫更為明顯。
  18. In the thesis, the design issues of repairing and strengthening reinforced concrete structure using ferrocement have been provided, and the equations of brittle ratio, cracking load, ultimate load and vertical deflection have been inferred too. at last, a conclusion is shown that the theoretical equations share a good agreement with the experimental results of the tested beams

    本文就鋼絲網復合砂漿加固受彎構件的設計進行了探討,提出了界限加強率、開裂荷載、極限荷載以及撓度的計算公式,並將計算公式的結果與試驗結果進行比較,取得了較好的吻合。
  19. The quantity of secondary cracking gas is up to 79 percentage of the total gas generated. the comprehensive correlation between gas and source rock shows that natural gas in the north, west and south part of the center gas fields mainly come from lower paleozoic source rock, the attribution ratio of lower paleozoic source rock is up to 60 - 70 %. in the other part, natural gas is mainly from upper paleozoic souce rock, its attribution ratio is up to 70 %

    採用氣?烴源巖直接和動態對比的研究思路對鄂爾多斯盆地中部氣田氣源進行了多項地球化學參數綜合對比研究,進一步證明中部氣田氣源具有混源特徵,但是,在不同區塊上、下古生界天然氣混合程度不同,在中部氣田的北部、西部和南部天然氣主要以下古生界來源為主的混合氣,而中部氣田的東部則主要以上古生界來源為主的混合氣。
  20. Structures. frequency change square ratio is applied as a parameter to locate corrosion and cracking damage. a chart, which relates the loss in stiffness with changes in natural frequencies, is proposed to identify the degree of corrosion and cracking damage

    根據結構銹裂損傷前後的頻率平方變化比進行銹裂損傷定位;根據結構銹裂損傷后頻率降低與剛度降低的關系,繪制結構銹裂損傷程度識別圖,用於銹裂損傷程度識別。
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