粘結面 的英文怎麼說
中文拼音 [niánjiēmiàn]
粘結面
英文
bond area-
For a good bond, an adhesive must counteract the effect of surface roughness and boundary layers.
為了取得很好的粘結,粘結劑必須能克服表面粗糙和邊界層的反應。The research overcomes the shortcomings of primers in common use, and breaks through the traditional astriction of absence of chemical bond between new and old concrete. both macrostructure and microstructure as well as bond mechanism was discussed and some further research advice was put forward
本研究克服了以往的界面劑僅能改善界面層宏觀或微細觀結構的缺點,突破了新老混凝土粘結層主要依靠范德華力提供界面粘結力而幾乎不存在化學鍵作用的缺點。To improve the binding strength between the deck slabs and deck surfacing layer of badong changjiang river highway bridge and to provide the surfacing layer with anti - cracking ductility, a series of technical measures has been taken in the construction of the deck surfacing of the bridge, including those of embedding binding reinforcement in the deck slabs, spraying inorganic binding agent between the slabs and layer, replacing part of the cement with micro expansion agent and adding appropriate amount of polypropylene fibers to the concrete
摘要巴東長江公路大橋橋面鋪裝,通過採取預埋橋面粘接鋼筋、噴塗無機界面粘結劑、用微膨脹劑替代部分水泥、在混凝土中摻入適量的聚丙烯纖維等措施來提高橋面板與鋪裝層間的界面粘結強度和給橋面抗裂增韌。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) 、界面粘結劑類型(水泥凈漿,水泥砂漿, u型膨脹劑水泥漿) 、凍融循環次數等對新老混凝土粘結面劈拉強度的影響,以及凍融作用下新混凝土加氣對粘結面劈拉強度的影響。試驗結果表明,粗糙度對新老混凝土粘結性能有重要影響,隨著粘結面粗糙度的增大,粘結面劈拉強度不斷增加;界面粘結劑類型對新老混凝土粘結性能有一定影響,在凍融作用下, u型膨脹劑水泥漿粘結效果不如水泥凈漿和水泥砂漿;凍融循環對粘結面劈拉強度有較大影響,加氣能明顯改善新老混凝土粘結面的抗凍能力。It indicates that the interfacial bonding of new to old concrete has good shearing property
結果表明,溝槽式新老混凝土粘結面具有較好的抗剪性能。In this paper, the rapid repairing method using cement concrete lamina is presented, two key designing parameters are analyzed : the interfacial bonding strength of new and used concrete and the shearing stress in interface
本文闡述了水泥混凝土路面快速薄層修補的方法,研究了修補中兩個重要設計參數:新老混凝土界面抗剪粘結強度和新老混凝土粘結面剪應力,並進行了新老混凝土界面抗剪粘結強度試驗和混凝土收縮試驗。Through the experiment of the interfacial bonding shear strength and the shrinkage strain of concrete, the influence of the interfacial roughness of used concrete surface and interfacial bonding agent to interfacial bonding strength is revealed ; new concrete component and the shape and size of concrete slab are main factor affecting the shearing stress in layers
試驗結果表明:老混凝土粘結面的粗糙度和界面粘結劑類型對新老混凝土界面粘結強度影響很大;新鋪混凝土材料和混凝土路面板形狀尺寸是影響新老混凝土粘結面收縮剪應力的主要因素。( 3 ) experimental phenomena from the experiment we observed that all wrecks of the bonding samples break at the interface, the broken faces are flat, but the concrete conditions have sth
U )試驗現象從試驗中可以觀察到所有粘結試件的破壞都是從粘結面斷開,破壞面比較平直。但具體情況與所受溫度不同而有關。Fire ) for reinforcing building, moreover, what will happen about the bond behavior of the cohering face for the building under high temperature frequently such as metallurgy and chemical shop which are radiated under high temperature ( 200 - 300 ), chimney wall ( 100 - 150 ) ? these are not clear and definite. so it is necessary to study this question through experiments
另外,對于經常處于高溫狀態下的建築,如冶金和化工車間受高溫輻射的結構(溫度在200 300 ) ,煙囪筒壁(溫度在100 150 )等結構,經過高溫作用后,其粘結面的粘結性能會發生什麼變化,這些目前都不明確,因此很有必要對這一基本問題進行試驗研究。In the same time, this method has been used to repairing a concrete pavement, and the practice proves that the proposal method is suitable and effective
該粘結面粗糙度評定方法與灌砂法具有內在的等價性。並用工程實例對該方法的適用性和有效性進行了驗證。Study of the fracture process zone of adhesive interface of new and old concrete
新老混凝土粘結面斷裂損傷過程區研究A banded micro - crack fracture process zone model of adherence of new and old concrete is built up
建立了新老混凝土粘結面帶狀微裂縫斷裂過程區模型。At last, the approach of increasing bonding strength and decreasing shearing stress is presented
最後,給出提高新老混凝土界面粘結強度和降低粘結面剪應力的方法。In meso - level, concrete is taken as a type of three - phase composite material comprising mortar matrix, aggregate and bond between matrix and aggregate
混凝土在細觀上是一種由骨料、砂漿和粘結面組成的非線性材料。4. the influence of interfacial micro - crack point of new and old concrete on in adhesive fracture toughness is discussed
從界面斷裂力學的基本理論出發,討論了新老混凝土粘結面裂縫尖端微裂縫區對粘結面斷裂性能的影響。But because there are shearing stress and removing stress on the gluing plane between the steel plates and concrete, the phenomenon of premature removing of the steel plates in the strengthen beams is easy to take place
但是,由於鋼板和混凝土粘結面上存在粘結剪應力和剝離拉應力,使粘鋼加固梁容易發生鋼板端部和彎剪區段跨中的早期剝離破壞現象。The calculation formula of bond strength of frp and concrete is established according to experiment results and former conclusions, and the comparison is carried out among calculated results, test results, and results from other formula
同時研究了frp片材與混凝土粘結面上應力分佈特點,並根據試驗結果以及前人得到的相關結論,給出了當粘結長度大於有效粘結長度的極限粘結力計算公式,並對計算結果和試驗結果以及其他公式計算結果進行比較。The crux of the reinforcement of the concrete structure is the bond behavior of the cohering face of the new - old concrete. the bond behavior of the cohering face under normal atmospheric temperature has been studied deeply and has more conclusions. what will happen about the bond behavior of the cohering face of the new - old concrete after high temperature ( e. g
利用混凝土進行補強加固的關鍵在於新老混凝土粘結面的粘結性能,粘結面在常溫下的粘結性能已有較多較深入的研究和結論,而對于補強加固的混凝土建築物在受到高溫(例如火災)后其新老混凝土粘結面的粘結性能有何變化A huge actual constructions and tests has proved that the bonding power of the bonding surface is often too small to satisfy the actual stress, and that in the construction of the new to old concrete, the construction process is blind because there are no unified standards of the construction technology, which leads to the quality of the construction is inferior. and in the design process, the designers who can ’ t identify the strength of the bonding surface can not make an accurate, economic and proper design, which will lead to waste or engineering accident
大量的實際工程和試驗證明,結合面的粘結力通常比較小,往往難以滿足實際結構受力的需要,而且在新舊混凝土粘結的施工過程中,施工工藝沒有統一的標準,造成施工過程的盲目性,最終導致工程質量的低劣;在設計過程中設計人員不能判斷出粘結面的強度,這就使設計人員不能準確、經濟合理的做出設計,造成浪費或埋下工程事故的隱患。The study aimed at the cohering face of concrete after high temperature is little. only did the da lian university of science and engineering carried out the study of the bond property of the new - old concrete after 200 in 1999. in this paper, we use the basic mechanical index - splitting tensile strength to judge the mechanical property of the cohering face of the new - old concrete
本文的研究工作近年來國內外進行了大量高溫下混凝土材料受力性能的試驗研究和理論分析,但大都是針對混凝土本身,而對混凝土粘結面受高溫影響的研究甚少,只有大連理工大學在1999年作了200c后新老混凝土粘結性能的研究。分享友人