水化混凝土 的英文怎麼說
中文拼音 [shuǐhuàhúnníngtǔ]
水化混凝土
英文
hydrated concrete-
If magnitude of expansive stress caused by adscititious magnesia is too large, or its distribution is not uniform, it trends to damage the structure of cement concrete, and then affect seriously dam durability
如果氧化鎂混凝土膨脹量過大或不均，都將破壞水泥混凝土結構，影響耐久性，甚至局部崩裂造成安全事故。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。Specially, the axial tensile strength of the interface of the new and old concrete has reached above 2. 40mpa, greatly surpassing the preconcert goal ( > 1. 0mpa ), and its flexural strength also above 5. 80mpa, having surpassed the preconcert target and the standard request ( 4. 50mpa ). ( 2 ) after hardening 4h and 8h the compressive strength of the patched concrete is bigger than 20 mpa, which can satisfy the request of fast patching. ( 3 ) the ych color material, which is mixed into rapid sulfoaluminate cement - concrete patching material, can take better effect and avoid chromatism on the appearance of new - old concrete
特別是新老混凝土界面的軸向抗拉強度已達2 . 40mpa以上，大大超過原定目標（大於1 . 0mpa ） ，其界面抗折強度也在5 . 80mpa以上，也已超過原定指標及規范要求（大於或等於4 . 50mpa ） ; （ 2 ）修補混凝土硬化后4h 、 8h抗壓強度大於20mpa ，能滿足快速修補的要求; （ 3 ）在快硬硫鋁酸鹽水泥混凝土修補材料中摻入自配的ych調色材料，能較好地起到調色作用，避免新老混凝土表面色差。The elasticity polyurethane joint sealing material is one kind of joint sealing materials for concrete pavement joint which can use at normal temperature. it will solidify by chemic - reaction when commix the polyurethane preploymer, cross link agent, filling, plasticizer and catalyzer
聚氨酯彈性嵌縫料是一種由聚氨酯預聚體主劑與交聯劑、填料、增塑劑以及催化劑混合后通過化學反應交聯固化的常溫施工式水泥混凝土路面用嵌縫材料。The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track
摘要分車道行駛輪跡橫向分佈頻率曲線顯示，渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。Gruber c. e. and carda d. d. ( 1981 ), performance analysis of permanent magnet type water treatment devices. wsa research report ： final report. water quality association
許桂銘（ 2001 ） ，磁化水對水泥混凝土性能影響之探討，鋪面工程學術研討會第11屆。In the program, the effect of lamination placement, construction interval, elastic modulus change, thermal insulation change, surrounding temperature change, concrete creep and autogenous volume change on thermal stress are considered. and such temperature control measurement as water pipe cooling, heat preservation of the dam surface, the pouring temperature control, the overflow across the dam top during flood season can also be simulated by numerical method
該程序在編制過程中考慮了混凝土分層澆築、施工間歇、彈模變化、絕熱溫升過程、環境溫度的變化、混凝土徐變、自生體積變形等因素對壩體溫度場及溫度應力場的影響，同時也考慮了水管冷卻、壩體表面保溫、控制澆築溫度、施工汛期壩頂面過水等各種溫控措施的數值模擬。This paper establishes a model simulating dam actual placing process and considering the non - continuity of initial temperature on the boundary of new and old concrete, daily air temperature change, concrete - placing temperature, hydration heat, heat insulation on boundary, water - storing process, placing intermission and curing with water. the calculation of stress field considers the concrete weight, static water pressure, thermal stress, different autogenous volume change between rcc and normal concrete, change of elastic modulus of concrete with age and creep action
考慮了乞今最為全面的初始條件和邊界條件，包括模擬壩體的實際升程過程，考慮了新老混凝土接觸面上的初始溫度不連續，逐日的氣溫變化，混凝土的入倉溫度，水化熱溫升，邊界保溫，水庫蓄水過程，澆築間歇以及灑水養生等因素；應力場的計算考慮了混凝土的自重，靜水壓力，溫度應力，常態混凝土與碾壓混凝土不同的自生體積變形，混凝土的彈性模量隨齡期的變化以及徐變的作用。Mechanical performance, frost resistance and abrasion resistance of concrete with fly ash, air entraining agent and four kinds of inorganic salts including sodium sulfate, sodium nitrite, calcium nitrite and sodium chloride are mainly studied in this paper
本文研究了在路面水泥混凝土中摻入粉煤灰、引氣劑和四種無機鹽（ na2so4 、 nano2 、 ca （ no2 ） 2和nacl ）后，混凝土的力學性能、抗鹽凍剝蝕能力和耐磨性等性能的變化規律。Determination of trace chloride in cement concrete
水泥混凝土中微量氯化物的測定Fabrication of the box beam is divided into such parts as reinforcement, formwork, concreting, prestressing, moving and storing of beam, pipe grouting under pressure, end sealing of the beam, water - proof layer on the bridge surface system, protective coating etc. the paper makes description of effective box beam construction technology and workmanship which can be adopted in other projects, such technologies as : manufacturing and fixing of reinforcement, steel reinforcement fixing baseplate, web plate and top plate respectively and lifting the steel skeleton into form, requirements of design and manufacturing and way of utilization for dismantling - erection type formwork and hydraulic formwork, optimization of concrete ratio, concrete pouring process of two ends of beam in priority over the middle, in sequence of first baseplate followed by web plate and top plate at last, concrete pouring in inclined section and in horizontal layer, concrete vibration mainly by external vibrator in assistance with internal vibrator, methods and regulation for steam curing of concrete, dual controls over stress and strain to ensure quality of prestressing workmanship, construction method of effective beam moving by heavy - weight special moving facility, some regulations and key notes about construction of grouting under pressure, beam ends sealing, water - proof layer on the bridge surface system, protective coating
箱梁製造由鋼筋工程、模板工程、混凝土工程、預應力工程、移存梁工程、孔道壓漿工程、梁體封端工程、橋面防水層和保護層工程等施工環節組成。文中介紹的採用胎具製作和綁扎鋼筋，分底腹板和頂板分別綁扎並吊裝鋼筋骨架入模；拆裝式和液壓式兩種模板的設計、製作要求和使用方法；綜合考慮、優化混凝土配合比，混凝土灌注從兩端至中間、先底板、后腹板、再頂板的施工順序和斜向分段、腹板水平分層、附著式振搗為主、插入式搗固為輔的施工工藝，蒸汽養護的方法和規定；應力應變雙控制確保預應力施工質量的施工技術；採用重物移運器有效移梁的施工方法；壓漿、封端、橋面防水層和保護層施工的一些規定和注意事項等都是對箱梁製造行之有效的施工技術和施工方法，並可為以後類似施工作借鑒。Consequently concrete production practices are now being conducted by relying on more experiences or trial and error than related theory. so the study on the interfacial chemistry phenomena and rheological properties of the “ cement - water - superplasticizer ” system is in active demand. the systematical study on the interfacial properties and their influence factors based on the theory of colloidal science, interface chemistry, chemistry of cement and polymer science were conducted in order to establish the relationship among interfacial properties, microstructure and rheological characteristics of “ cement ? water - superplasticizer ” system, and provide the theoretical guide for the manufacture and applications of cement, concrete and superplasticizers
本文選擇「水泥-水-高效減水劑」系統的界面化學現象和流變特徵作為研究課題，旨在通過深入系統地研究水泥與高效減水劑在水介質中的一系列界面化學現象及其影響規律，利用膠體化學、界面化學、水泥化學和高分子化學的相關基礎理論，分析水泥與高效減水劑的相互作用機理，確定系統中界面化學現象、系統微觀結構和流變特性的關系，指導水泥、混凝土及外加劑的生產實踐。Edge collapse, honeycomb and surface voids in the slipform paving cement concrete and shrinkage of hardening concrete used in highways are studied in this paper, which is a part of western traffic project, frost resistance of cement concrete, supported by traffic ministry of china
本文針對交通部西部交通項目水泥混凝土抗凍融耐久性能研究中高速路面混凝土滑模施工過程中的塌邊和麻面以及硬化混凝土收縮等現象展開研究。According to many years experience of dealing with client quality complains, the author introduced in brief its principle and content, and laid emphsis on the common quality complains of cement enterprise, such as concrete strength is lack, the concrete setting time is unnormal, the concrete slump constant is a little small and the loss is high, compatibility between cement and admixture is bad, cement color changes, concrete surface rise sand and cement agglomerate
作者結合自己多年處理顧客質量投訴的經驗，簡單介紹了處理顧客質量投訴的調查原則和內容；重點對水泥廠最常見的質量投訴內容包括混凝土強度不足，凝結時間異常；混凝土坍落度偏小，經時損失大；水泥與外加劑相容性不好；水泥顏色變化、混凝土地面起砂及水泥結塊等等投訴，分別進行了現象描述，原因分析和調查方法介紹。Cover water conservation use, average temperatures above + 5 c using natural conditions, the use of appropriate materials on the concrete surface to be covered and watered, in the concrete cement hydration within a certain period of time required to maintain the proper temperature and humidity conditions
採用覆蓋澆水養護，利用平均氣溫高於5的自然條件，用適當的材料對混凝土表面加以覆蓋並澆水，使混凝土在一定的時間內保持水泥水化作用所需要的適當溫度和濕度條件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Standard specification for cold applied, single component, chemically curing silicone joint sealant for portland cement concrete pavements
硅酸鹽水泥混凝土路面用冷鋪的單一成分化學固化硅酮接縫密封劑的標準規范Testing hardened concrete - depth of penetration of water under pressure
硬化混凝土試驗.加壓時水的滲透深度Testing hardened concrete - part 8 : depth of penetration of water under pressure
硬化混凝土試驗.第8部分:加壓時水的滲透深度Firstly, the environment harm of the waste rock is studied ; secondly, we research the physics and mechanics property of the waste rock of the dabagou tunnel and get the physics and mechanics property index of waste rock ; thirdly, after comminuting the waste rock and compounding concrete as coarse aggregate, we make the comparison between it and the songshan stone in the fuxin building market at present, it proves to possess extension application value ; fourthly, on the foundation of it, we utilize waste rock as coarse aggregate to compound high strength concrete, steel fiber high strength concrete, polymer cement concrete, asphalt concrete by uniform design and research their mechanics property index by experiment
首先闡述了排矸石對環境產生的危害，其次對大巴溝隧道排矸石的物理力學性質進行了試驗研究，獲得了排矸石的物理力學性能指標。將排矸石粉碎后，作為粗骨料配製成混凝土，與目前阜新建築市場上所用的松山石子進行比較，證明其具有推廣應用價值。在此基礎上，利用均勻設計法，將排矸石作為粗骨料配製成高強混凝土，鋼纖維高強混凝土，聚合物水泥混凝土，瀝青混凝土，通過試驗測定其力學指標，獲得了各種排矸石混凝土的優化方程和最佳配合比。分享友人