結凍試驗 的英文怎麼說

中文拼音 [jiēdòngshìyàn]
結凍試驗 英文
freezing test
  • : 結動詞(長出果實或種子) bear (fruit); form (seed)
  • : Ⅰ動詞1 (液體或含水分的東西遇冷凝固) freeze 2 (受冷或感到冷) feel very cold; freeze; be frostb...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 結凍 : frost-thaw cycle
  • 試驗 : trial; experiment; test
  1. The result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽性大大低於同摻量的硅酸鹽水泥混凝土。
  2. The research results show that when the fly ash content is under 30 %, the strength of rcc can be increased but the effect is a little ; and with the fly ash content increased the dry shrinkage of the rcc reduced straightly, and the abrasion resistance and freeze resistance increased obviously. ( 3 ) fly ash can increase durability of the rcc and under the experiment condition, the perfect mixing content is 30 %

    果表明: ( 1 )粉煤灰摻量小於30 %時能提高碾壓混凝土強度但影響度不大; ( 2 )隨著粉煤灰摻量的增加,碾壓混凝土的干縮呈直線降低,且抗磨性和抗融能力明顯提高; ( 3 )粉煤灰能有效提高碾壓混凝土的耐久性,且在條件下的最佳摻量為30 % 。
  3. Following is the factors ideating with the surface of old concrete in different way ( including brushing surface, chiseling surface, cleaving surface ), adherence agent ( including cement slurry, cement sand slurry, cement slurry with the u expansion agent ), the freeze - thaw circulation times and air - entraining. as a result, we found that the roughness influence on the adhesion capability of the new on old concrete to a large degree. the larger rougeness is, the larger the splitting tensile strength on the adhension face is. the kind of adhesion agent is also influence on the adherence capability of new on old concrete. the circulation times of freez - thaw have a large influence on the splitting tensile strength of adherence face of new on old concrete. the analysis of tests give some advices to the practical engineering

    主要考察了老混凝土表面不同處理方式(刷毛面,鑿毛面,劈裂面) 、界面粘劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、融循環次數等對新老混凝土粘面劈拉強度的影響,以及融作用下新混凝土加氣對粘面劈拉強度的影響。果表明,粗糙度對新老混凝土粘性能有重要影響,隨著粘面粗糙度的增大,粘面劈拉強度不斷增加;界面粘劑類型對新老混凝土粘性能有一定影響,在融作用下, u型膨脹劑水泥漿粘效果不如水泥凈漿和水泥砂漿;融循環對粘面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘面的抗能力。
  4. Abstract : the result of experiment shows that und er the conditions of proper ai r - entraining, concrete with 20 % fly ash has excellent frost - resistance. the frost - resistance of concrete with 55 % fly - ash which is admixed with united expansive agent ( uea ) has been improved greatly. the frost - resistance of sulfate aluminate cement concrete with high volume of fly - ash is dramatically lower than that of silicate cement concrete with the same volume of fly - ash

    文摘:果表明:粉煤灰摻量為20的混凝土在適量引氣的條件下具有良好的抗鹽性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽性大大低於同摻量的硅酸鹽水泥混凝土。
  5. On the basis of test results, the effects of operation parameters such as material thickness, heating temperature and pressure of drying chamber on vacuum freeze drying are discussed. aiming at decreasing drying time and reducing energy consumption, these parameters are optimized and optimization results agree well with actual results

    在三因素二次正交回歸果分析的基礎上,利用降維分析方法探討了干厚度、加熱板溫度和系統的真空度對乾燥時間和乾燥能耗的影響,並對混合加熱條件下單位水分能耗和干生產率進行了優化分析。
  6. Under the different freezing - thawing cycle circumstance, three factors of water binder ratio, air content and mineral admixture are analyzed by using the method of orthogonal table. the test results show that the chief influencing factor is the water binder ratio in water freezing - thawing cycle circumstance, and in salt freezing - thawing cycle circumstance is the air content. this could illustrate that entraining air into concrete can improve the frost resistance of concrete effectively in salt freezing - thawing cycle

    分析了在純水和3 . 5 % nacl溶液中受后,水膠比、含氣量和摻合料對混凝土飽和系數及變化速率的影響規律,果表明水膠比對混凝土水時的飽和系數及變化速率影響顯著,而鹽情況下含氣量則是主要影響因素,說明引氣能顯著提高混凝土的抗鹽性能。
  7. The test obsvervation include air temperature, ground temperature, foundation moisture, freeze depth, freeze capicity, freeze residual capicity, groundwater table and shape transform of canal lining, etc. throught systemic observation, analysis of impact about each factor on fundation freeze capicity, evaluate effect on anti freeze of various canal lining, comparison on technology and ecnomic of different method, a kind of main canal lining format is been recommended to engineering practice with siutable to ningxia local feature, fufilling the need of main canal safey i application, economic and practical, that is using polystyrene plate laying under concrete slate and grit taking replace of filling layer and optimizing design

    觀測內容包括氣溫、地溫、基土含水量、深、脹量、脹剩餘量、地下水位和砌體外觀變化等項目。通過系統的觀測,分析各因素對基土脹量的影響,評價各種襯砌型式的防西安理工大學工程碩士專業學位論文脹效果,並進行技術和經濟綜合分析比較,推薦出了適合我區特點、滿足乾渠安全運行、經濟實用、防脹效果好的乾渠防滲襯砌型式,即混凝土板下鋪設聚苯乙烯板和砂礫石換填層構型式,加以優化設計,用於工程實踐。
  8. Standard test method for freezing point of aviation fuels automatic laser method

    航空燃料點的標準方法
  9. Test method for freezing point of aviation fuels automated optical method

    航空燃料點的方法
  10. From experimental result, i preliminarily know that eps is good thermal insulation material because the absorption of water is low and heat insulation is good, it is practicable at preserving temperature field of frozen earth roadbed and bringing frozen disaster under control ; second, according to the analysis of the eps that is applied into practical project, i have studied the practical effect which eps preserve roadbed temperature field, and the influence that was made after building field. i have get that eps can influence moisture content and frozen upper limit, through practical measuring data, i have studied freezing and expanding quantity and melting and submerging quantity during a complete frozen and melting cycle as well as have expanded and proved the practical application effect of eps with some reference significance to deep research of some connected problems. finally, through computer data analysis, setting up the analytical model of finite unit, i have simulated the temperature field of roadbed heat preservation, then expounded and proved that the height of embankment influenced the effect of thermal insulation material

    其一是對聚苯乙烯泡沫塑料( eps )保溫板以及天然路基土層、路堤填料進行了室內分析,合國內外現在的有關科研成果,綜合確定其各項特徵參數;從果初步認識到聚苯乙烯泡沫塑料是一種吸水率低,隔熱性好的保溫材料,在土路基溫度場的保護和害治理方面是可行的;其二通過eps保溫板在現場工程實踐中的應用分析,研究了保溫板在保護路基土層溫度場的實際效果以及修築路堤后造成的影響,保溫板對土體含水量、上限的影響,通過實測資料,研究了在一個完整的融周期內整個路基的脹量和融沉變形量,論證了保溫板的實際應用效果,對有關問題的進一步研究和相關工程設計具有參考意義;其三,通過計算機數值分析,建立有限元分析模型,對保溫路基的溫度場進行了模擬計算,論證了路堤高度對保溫材料效果的影響。
  11. In the concrete test cubes damages under freeze thaw cycles, the theory of the frost damages is explained and freeze - thaw test is done. from test results, the thesis analyzes the main reasons of frost damages

    融作用下混凝土件的損傷部分中,首先闡述了混凝土的害機理,然後進行混凝土的抗,通過果分析影響混凝土抗性的主要因素。
  12. We built a test road and after one year, we used surface wave exploration to test. the result is that the repaired layer felt old road well and have no empty spot. we used the pendulum friction tested and the results are the wear - resisting property is better than cement concrete pavement and pendulum friction is higher than cement concrete pavement

    此種材料同原有水泥混凝土路面的粘性能強,強度上升快,韌性大,抗性好,防水抗滲;通過路運營一年多的檢測果表明:通過面波儀測定修補層與原路面粘良好,沒有脫空點;利用擺式摩擦儀測定其耐摩耗性能優于原水泥混凝土路面。
  13. Products and systems for the protection and repair of concrete structures - test methods - determination of loss of mass of hydrophobic impregnated concrete after freeze - thaw salt stress

    混凝土構的防護和維修用產品和系統.方法.鹽力解后疏水性浸漬混凝土質量損失測定
  14. The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way

    合高性能混凝土與普通路面混凝土的特點,提出了建立在普通路面混凝土基礎上的高性能路面混凝土配合比設計方法,給出了設計流程;通過正交(強度) ,分析了高性能路面混凝土的強度發展規律、影響因素與形成機理;同時,根據疲勞果採用雙參數weibull分佈模型分別建立了高性能路面混凝土和高性能路面混凝土(沒有摻加硅粉)疲勞方程,應用損傷力學和斷裂力學,分析了高性能路面混凝土的疲勞機理;並採用了對比分析方法,研究了高性能路面混凝土的脆性、抗性和耐磨性等。
  15. The concrete used in testing bridge is monitored and some performance at definite age including compressive strength, splitting fensile strength, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure by mercury porosimetry are tested. these performances are compared with that of concrete which designed by traditional method. the results show that mechanical properties of concrete designed by high durability concrete proportion and traditional method meet require ment at any age, however, frost resistance, scaling frost resistance, chloride ion diffusion coefficient ( dcl - ), resistance of carbonization and pore structure of the former are better than the latter, so high durability concrete is economic benefit

    橋用混凝土的質量進行監控,並成型件測量所需齡期內的抗壓強度、劈裂強度與抗融、抗鹽、氯離子擴散系數( dcl - ) 、抗碳化等耐久性能指標及孔構,並與傳統混凝土進行對比研究,果表明:高耐久性混凝土及按傳統配合比設計的混凝土的力學性能均能滿足相應齡期的要求,但前者的抗融性能、抗鹽性能、抗碳化性能、 dcl -和孔構明顯優於後者,並具有明顯的社會經濟效益。
  16. Finally, this paper initially builds up a synthesis atsm design method for such areas. we sincerely hope the achievement of this research can be applied to settle the destructions and improve the performances of base course in perennially frozen soil zone

    研究中,採用改進的大型馬歇爾成型件,研究果表明,瀝青穩定碎石各項路用性能優良,能夠滿足多年土地區公路瀝青穩定基層的使用要求。
  17. Based on the damage mechanics theory, during the freezing and thawing, the ct measurement technology is used to observe the water transference, ice formation, inner microdamage propagation principle and the corresponding damage structure variability

    從細觀損傷力學理論出發,利用ct識別先進的技術研究巖石在融化過程中,水分的遷移,冰的形成,內部細觀損傷擴展機理及相應損傷構的變化。
  18. Tests relating to pavements. freezing behaviour of materials treated with hydraulic binders. part 1 : freezing - thawing test of stabilized gravel or sand

    路面.經水硬性粘劑處理的材料性能.第1部分:粗砂和經處理的砂子的抗和解
  19. Followed this purpose, the paper used the orthogonal design method, combined the materials and the mathematical statistics knowledge, analyzed the range of intensity and anti - frozen as well as action mechanism contrastively under the single factor function and the multi - factors correlation. proposed that when we mixed two or more extra materials into concrete, we cann ’ t purely increase the quantity of the one to enhance some concrete ’ s performances, which guided by the single factor function. on the contrary, we determined the quantity of this kind of extra material must by the conclusion of specific experiment under the multi - factors correlation

    圍繞這個目的,論文採用正交設計方法,合材料學和數理統計學知識,對單因素作用下和多因素交互作用下混凝土強度及抗性的變化幅度及作用機理進行了對比分析,提出在混凝土中摻入兩種或兩種以上外摻料時,不能單純以單因素作用下的實果作為指導,用提高某一種外摻料的摻量來改變混凝土的某項性能時,必須以具體得出的論來判定該種外摻料的用量。
  20. Originally from green concrete and concreting in minus - temperature, the critical strength of frozen injury of minus - temperature calcium - enriched fly ash concrete and the rule of strength development are studied in this paper. through the test of resistance of freezing - thawing cycles and chloride diffusivity, the influence of curing system and calcium - enriched fly ash on the performance of concrete are studied ; and through the modern methods ( xrd, sem, and so on ), the hydration products, pore structures and microstructure are studied

    本文既著眼于綠色混凝土,又致力於混凝土的負溫施工,研究了增鈣粉煤灰混凝土的抗臨界強度及其負溫抗壓強度發展規律;通過快和氯離子滲透,研究養護制度和增鈣粉煤灰摻合料對混凝土耐久性能的影響;並通過光學顯微鏡法、掃描電鏡和xrd等現代分析方法,研究負溫增鈣粉煤灰混凝土的水化產物、孔構和顯微構。
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