水泥凝結 的英文怎麼說
中文拼音 [shuǐníníngjiē]
水泥凝結
英文
cement setting-
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
試驗結果表明: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凍性能;粉煤灰摻量為55的混凝土在摻加uea膨脹劑后其抗鹽凍性能有明顯改善;大摻量粉煤灰硫鋁酸鹽水泥混凝土的抗鹽凍性大大低於同摻量的硅酸鹽水泥混凝土。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 result shows, for this composite cement system, retarding action of dihydrate gypsum is more obvious than that of anhydrite, meanwhile, anhydrite tends to cause setting time short and water needed increased
結果表明:二水石膏對該種復合體系水泥的緩凝作用比硬石膏明顯,硬石膏易引起復合體系水泥急凝和需水量增大。The results of research on the workability of hbc concrete show that hbc concrete, when compared with opc concrete, has excellent compatibility with superplasticizer, in terms of better initial fluidity, less slump loss, definite saturation point and less dosage at saturation point. in addition, good mineral admixture such as i class fly ash can obviously improve the workability of hbc concrete. moreover, hbc concrete exhibits more excellent workability under the condition of low w / c ratio, which indicates hbc is more suitable for making super high strength concrete whose w / c ratio is very low
對高貝利特水泥高性能混凝土工作性能的研究結果表明,高貝利特水泥與高效減水劑具有良好的適應性,表現為初始流動度較大,經時損失較小,具有明顯的飽和點且飽和點摻量較小;此外,優質的礦物摻和料如一級粉煤灰能明顯改善hbc混凝土的工作性能;更為突出的是hbc混凝土在低水膠比的情況下表現出更為優異的工作性,這一特性預示著高貝利特水泥更適宜配製水膠比很低的超高強混凝土。The characters and reasons of easily destroyed asphaltum road was mainly discussed in this paper. then some prevention and cure measures was proposed to improve the quality of road construction
摘要瀝青路面易損病害易發生在水泥混凝土加鋪瀝青混凝土、地勢坑凹多雨水、斜坡、轉彎及十字路口、公交站等路段。合理設計路面結構、加強瀝青路面防水設計、嚴格控制施工質量是瀝青路面易損病害的主要防治措施。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。Construction of a mass concrete is in the construction process, because of cement let out in large quantity hydration heat and surface of a mass concrete let out heat, make its temperature, humidity cause to ascend and descend, and it causable constringency transform will be unavoidable
大體積混凝土結構在施工過程中,由於混凝土中水泥熟化時放出大量的水化熱及其隨后的表面散熱,使其溫度、濕度出現升降變化,並由此而引起的收縮變形將是無法避免的。Cement is the bond in concrete.
在混凝土中水泥是粘結劑。Widely employed in coal mine, downhole coal bunker, coal washery, cement factory, foundary, thermal power plant, sintering plant coal gas factory, fertilizer plant, chemicals plant, aluminium plant, alkali factory, steel works, coking plant, pharmaceutical factory, mine, dock, foodstuff, and feedings process works, concrete process, etc. with bunker, hopper, transmitting pipeline and drawshaft
廣泛用於煤礦、及井下煤倉、洗煤廠、水泥廠、鑄造廠、火力發電廠、燒結廠、煤氣廠、化肥廠、化工廠、鋁廠、制堿廠、鋼鐵廠、焦化廠、制藥廠、礦山、碼頭、糧食、飼料加工廠、混凝土加工廠等擁有料倉、料斗、輸送管道和礦山溜井的廠礦企業。Utilizing the electric double layer produced by hydration of cement to gather in superfluous water at negative electrode and reduce the water cement ratio of solidification by using electroosmosis technology
方法採用電滲技術,利用水泥水化產生的雙電層的導電性能,使混凝土中的多餘水分向陰極聚集,以減少混凝土的凝結水灰質量比。Factors which can accelerate the early hydration of cement, the setting in particular, such as excessively high c3a content, too low so3 content, high alkali content and the blending of pozzolana with large inner specific surface area, etc., will result in poor compatibility of the superplasticizer with cement
凡是加速水泥初期水化的因素,特別是使水泥凝結加速的因素如c3a含量過高、 so3摻量過少、堿含量高以及摻入內比表面積大的火山灰質混合材等均使水泥與超塑化劑的相適應性變差。The study shows that the flow ability has been greatly improved and its loss has been reduced, while the time of paste hardening has been delayed by adding the high - ti bfs powder
試驗同時指出,高鈦礦渣的摻入,明顯提高了膠砂流動性,減少了流動度的經時損失,延緩了水泥凝結時間。Standard test method for water
水泥標準稠度用水量凝結時間安定性檢驗方法Study and discussion on setting property of cements in guangxi autonomous region
區域性水泥凝結性能的研究和討論On the base of experiment & study of tile influence of different gypsum on performance of portland - sulphoalminate composite cement system as set time, water requirement of normal consistence, strength, ect, the influence mechanism was discussed
摘要在試驗研究不同石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥凝結時間、標準稠度需水量、強度等性能影響的基礎上,探討了石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥性能的影響機理。The properties of the new superplasticizer were studied by comparison with naphthyl type, including its effects on the fluidity and the slump - loss of cement paste and concrete ; its effects on the strength of the cement was also investigated. it has a good compatibility with cements of different types
將合成的hp高效減水劑與萘系高效減水劑的性能進行了系統的比較研究,包括分散性能、保塑性能;對水泥凈漿的流變性能的影響;與水泥的相容性;對水泥凝結時間的影響等等。Some respects of self - compacting high - strength concrete ( schsc ) made of fujian province ' s local material have been studied in this thesis as follows : 1. studies on microstructure of the schsc. three different mixed schsc and one normal high - strength concrete ( nhsc ) were observed by the scanning electron microscope at different sites and different ages of 1 day, 3 days, 7 days, 28 days and 60 days. from the test, the effects due to no vibrating and admixture on the microstructure of schsc were studied
通過四組強度等級相當,分別為普通混凝土、兩組不摻膨脹劑的自密實混凝土(其粉煤灰的摻量不同)和摻有膨脹劑的自密實混凝土,在同一養護齡期的條件下( 1天、 3天、 7天、 28天和60天) ,分別選擇粗骨料過渡區、細骨料過渡區、水泥石和砂坑作為觀測點,採用sem進行細觀掃描對比實驗,以研究自密實混凝土因免振搗的特性及摻合料對其骨料界面和水泥石結構的影響。Sem has been used to analyze the microcosmic morphology of cement - rock, xrd to its phase, and imp to the porosity structure. the grading and distribution of the porosity has also been analyzed. the grading of concrete aggregates and porosity have been studied by fractal geometry theory
結石及純水泥漿結石等進行了微觀分析研究,用sem (掃描電鏡)研究結石的微觀形貌,用xrd (衍射)分析結石的物相,用imp (汞壓)法測定結石的孔隙結構,並對結石孔級配及分佈進行了統計分析,用分形理論對混凝土細骨料顆粒級配進行了研究探討。Test methods for water requirement of normal consistency, setting time and soundness of the portland cements
水泥標準稠度用水量凝結時間安定性檢驗方法Standard test method for water requirement of normal consistency setting time and soundness of the portland cement
水泥標準稠度用水量凝結時間安定性檢驗方法分享友人