透水混凝土 的英文怎麼說
中文拼音 [tòushuǐhúnníngtǔ]
透水混凝土
英文
pervious concrete- 透 : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 凝 : 動詞1. (凝結) congeal; curdle; coagulate 2. (注意力集中) fix
- 透水 : permeable; pervious to water透水壩 permeable dike; filter dam; 透水層 [地] pervious bed; permeabl...
- 混凝土 : concrete; beton; jetereting混凝土壩 concrete dam; 混凝土板 concrete slab; 混凝土標號 concrete gra...
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The oxidation of pyrite engenders acid water that is causticity to concrete, bring forward the prevention and cure measure to it
根據水系的發育及巖石的透水性,提出防滲措施;黃鐵礦氧化產生的酸性水對混凝土具有腐蝕性,提出防治措施。Soakage of concrete and penetration length at different water pressure and pressure maintaining time are tested, and the results show that soakage at a water pressure is not linear relation with time. water soaking rate of concrete is reducing with time, and soaking mainly happens within original one hour and increases slowly in subsequent 6 hours
通過對水壓法下混凝土的吸水量及滲透高度與恆壓時間及水壓力的關系的研究發現:混凝土在一定水壓力下的吸水量與時間並不是線性關系,而是隨著時間的變化,吸水量的增長率減小,吸水量主要取決於前1h ,而在6h后增長極為緩慢。A brief introduction is given to the treatment of the zeya dam foundation, principles of seepage control and design of the concrete face rockfill dam of the zeya reservoir. as for the excavation of the sand - gravel zones, except the toe slab and its 1 / 9 bottom width down stream, the alluvial layers are excavated to the micro - weathered rocks, while the other sections remain unexcavated. regarding to the treatment of the fracture zones, concrete filling is used for the toe slabs and semi - permeable materials are used for other section. according to the construction characteristics, a filter is placed in the down stream embankment foot. to improve the integrity of the dam foundation and anti - seepage capability consolidation grouting and curtain grouting are adopted. as a result safety, economic benefit, convenience in construction and good performace are achieved
簡要論述澤雅水庫面板堆石壩壩基處理和防滲的原則及設計要點.趾板基礎和堆石體各區砂礫石基礎開挖,除趾板與其下游1 / 9底寬范圍以及壩腳挖除沖積層至弱風化(局部微風化)基巖外,其餘部分均予以保留.斷層破碎帶處理,趾板部位採用混凝土塞,其它部位採用半透水料置換,並根據本工程特點在下游壩腳加設了反濾層.為提高壩基的整體性和防滲性能,對趾板進行了固結和帷幕灌漿.達到了安全、經濟、便於施工的目的,運行情況良好,可為面板堆石壩的設計和研究提供參考與借鑒This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。The hydration theory and the structure forming of hplc are analyzed through xrd, sem, edxa, and the analysis of pore structure, micro hardness. the model of the interface structure between lightweight aggregate and harden cement paste is divided into 4steps, which are penetrating, hydrating and hardening, diffusing of moisture and ion, forming of optimal interface structure, and the ideal structure model of lightweight aggregate is built
採用xrd 、 sem 、 edxa 、孔結構分析與顯微硬度技術分析了高性能輕集料混凝土的水化硬化機理及結構形成過程,把輕集料與水泥石之間界面結構形成過程分為滲透、水化硬化、水分遷移與離子擴散、界面結構優化四個階段,提出了輕集料與水泥石之間的界面結構模型和高性能輕集料的理想結構模型。Research on the impermeability of concrete made with controlled permeability formwork
透水模板對混凝土性能影響的試驗研究Tests relating to pavements. measurement of the impermeability of joints on cement concrete pavements
路面試驗.水泥混凝土路面接合處不透水性試驗Cementitious capillary crystalline waterproofing coating ( abbreviated ccwc ) is a new type of cement - based waterproofing materials, which is characterized by its very good adhesive performance and impermeability to water, self - rehabilitating ability, permanent waterproofing effect, good aging resistance and corrosion resistance, simple construction method and harmless to hunman etc. ccwc consists of ordinary portland cement, quartz sand and reactive substances and other supplementary ingredients, whose reactive substance can permeate into the internal part of concrete structures through water and produce insoluble crystals filling capillary pores or crack of the concret through reaction with cement hydrates and unhydrates
水泥基滲透結晶型防水材料是以硅酸鹽水泥或普通硅酸鹽水泥、石英砂等為基材,摻入活性化學物質而組成的一種新型防水材料。摻入的活性化學物質以水作載體向混凝土內部滲透,與混凝土中未水化的水泥及部分水泥水化產物發生結晶反應,生成不溶於水的結晶體,堵塞毛細孔道,使混凝土緻密、防水。這種防水材料具有粘結力強、抗滲性能好、自愈合能力強、防水效果持久、耐老化、耐腐蝕、易施工、對人類無害等特點。On the other hand, through inhibted performances of concrete and mortar, the permeability refutations with different w / c, ages, admixture, and physics chemistry absorb regulation of different viscosity permeable liquid, the liquid - gas method is proved science and accuracy. because adopting with liquid - gas method it case clearer concrete permeability regulation. different concretes relativity is more exact and more efficiency and fixed quantity
另一方面,我們利用混凝土所固有的性質:不同水灰比混凝土、砂漿、抗滲性能規律;不同齡期混凝土的抗滲規律;不同外加劑、摻合料抗滲性能之間相互對比規律;不同黏度滲透液物理化學吸附對測試結果影響的規律;用規律來映證溶液氣壓法的科學性,準確性。Concrete anti - seepage wall are penetrated through the alluvial layer with high water permeability and put in the relative impermeable layer
混凝土防滲墻穿過透水性強的沖積層,置於相對隔水層內。Ping - chuan lin, ying - jie wang, fang - chin chang, jyh - dong lin, “ study on practicability assessment of asphalt concrete with bof slag ”, 2000 cleaner production workshop in taiwan, may 9 - 10, 2000 kaoshiung
劉霈、蘇育民、林志棟( 2001 ) , ?開放級配與透水性瀝青混凝土配比及品管? ,改質瀝青混凝土配合設計研習會專輯p . 135 ~ 174 。It concludes that percolation of roller compact concrete is of self - compactness by time effect under continuous action of water head and there may exist partial darcy flow regime in roller compact concrete under high water head
認為在持續水頭作用下,碾壓混凝土的滲透具有時效自密性;高水頭作用下的碾壓混凝土可能存在偏達西流現象。In structural engineering, hydraulic concrete is often used for the construction of a cyclical bear or fresh water, sea water or ice scour, erosion, and the knock - on effect on the permeability of concrete used hydraulic structures, it has special requirements and regulations
摘要在工程結構中,水工混凝土是用以修建經常或周期性的承受淡水、海水或冰塊的沖刷、侵蝕、滲透和撞擊作用的水工建築物所用的混凝土,其有特殊的要求和規定。Water pressure method is applicable for evaluating permeability of concrete. the test time needed is short, and operation and pretreatment is easy
通過研究發現水壓法對于評價混凝土滲透性來有很好的適用性,而且試驗周期短,操作簡便,對試件的預處理簡單。Permeability coefficient tested by tension method is about 10 times of that by pressure method, which indicates that water can permeate into concrete easily under tension
通過研究張力法下水在混凝土中的滲透發現:水在張力法下更容易滲透,張力法下的滲透系數比水壓法下大一個數量級。Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied
本課題主要研究混凝土在水壓法及張力法試驗條件下水在混凝土中的滲透行為以及同氯離子擴散系數相關性。Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method
通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性,滲透高度及滲透系數與氯離子擴散系數的相關性較好。Testing hardened concrete - part 8 : depth of penetration of water under pressure ; german version en 12390 - 8 : 2000
硬化混凝土試驗.第8部分:加壓水滲透深度Extruded concrete curb technology was introduced in 20th congress icold held in beijing in year 2000, this method draw more attention for its improving the compaction of transition material, excellent performance of slope protection, and convenient construction. this extruded concrete curb technology was developed in ita dam construction in brazil, the ita method consists of building and extruded concrete curb by using an extruding machine before the construction of a layer of the transition material, then spread and level the transition material in layers inside the curb, and compact the layer by vib ' ratory roller horizontally
巴西工程界在埃塔( ita )面板堆石壩建設中,借鑒道路園林工程中道沿機的擠壓滑模原理,創造性使用邊墻施工法,在每填築一層墊層料之前,用擠壓式邊墻機製作出一個半透水混凝土小墻,然後在其內側按設計鋪填壩料,用振動碾平面碾壓,合格后重復以上工序。Water tight concrete
不透水混凝土分享友人