混凝作用 的英文怎麼說
中文拼音 [húnníngzuòyòng]
混凝作用
英文
coagulation-
Addition of coagulants promotes agglomeration of particles.
添加混凝劑會促進顆粒的附聚作用。Concrete protect the steel against corrasion, for it provide the alkaline condition. carbonization is a key factor that makes alkalescence of concrete decrease, the high performance concrete is applied in engineering field increasingly with its good carbonization capability
混凝土對鋼筋的保護作用是由於其提供了避免鋼筋產生銹蝕的堿性環境,而碳化作用是使混凝土堿性降低的重要因素之一。The ratio of strength to cost is introduced to discuss the problem in which whether high volume fly ash can reduce the cost of concrete
針對摻用大量粉煤灰是否可以降低混凝土成本的問題,本文引入強度成本這個指標作了一些探討。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。As a new style of structure, steel - concrete composite spine girder with large cantilever beams has been more and more applied for its advantages such as beauteous build, outstanding mechanics and economical performance
鋼-混凝土組合脊骨梁作為一種新型的結構形式,以其結構造型美觀、力學性能好、經濟性等方面的優勢,在橋梁結構中得到了越來越廣泛的應用。It focuses on the theory of the mineral functional materials " improving the anti - chloride permeability and the chloride binding. the main achievements of this article include : 1 ) use the technology of xrd, sem, bet, laser particle size distributor etc to test the component, the construction, particle size distributor, specific surface etc of micro - silica, ultra - fined slag, high quality fly ash, meta - kaolin clay, four types of the mineral functional material, theoretically analysis the functions which the four mineral functional minerals act on cement concrete, namely pozzolanicity effect, filling effect, micro - aggregate effect, surface adsorption effect and so bring into play the affect of plastification, lowing of temperature, reinforcement, improvement of durability. base on this analysis we can conclude that the proper diameter of the mineral functional material is 5 m - 15 m, that is blain fineness 4500cm2 / g - 7500cm2 / g
本論文的主要成果包括以下幾個方面: ( 1 )採用xrd 、 sem 、 bet 、激光粒度分析儀等多種測試手段,探明了以硅灰,超細磨粒化高爐礦渣,優質粉煤灰及偏高嶺土超細粉等4種超細礦物功能材料的組成、結構、粒度分佈、比表面積等基本性質;從理論上分析了礦物功能材料在混凝土中的4種效應,即火山灰效應、填充密實效應、微集料效應、表面吸附效應,並由此發揮出增塑、溫峰削減(降熱) ,增強及耐久性改善等作用;通過相關理論分析,推導出礦物功能材料的合理粒徑范圍在5 m 15 m ,即勃氏比表面積為4500cm ~ 2 g 7500cm ~ 2 g 。Methods of test for masonry units - determination of water absorption of aggregate concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units
圬工砌塊的試驗方法.混凝土人造石和天然石圬工砌塊因毛細作用的吸水率及粘土圬工砌塊吸水初速的測定Methods of test for masonry units - part 11 : determination of water absorption of aggregate concrete, manufactured stone and natural stone masonry units due to capillary action and the initial rate of water absorption of clay masonry units
圬工單位的試驗方法.第11部分:集料混凝土人造石和天然石圬工單位因毛細作用的吸水率及粘土圬工單位吸水初速的測定Method for measuring carbonation depth of concrete
混凝土碳化作用深度的測量方法Research about the congealed influence of swirling flow congealment on slag coagulant
旋流混凝作用影響鋼渣混凝劑混凝效果的研究Used for the rendering on both internal and external walls ; decoration plate and brick adhesive ; leveling by cement or gypsum ; also can be used as the bonding agent or interface treatment agent. it can be made into fine stone concrete used for structure enforcement and repair engineering too
用於內外墻抹灰、飾面磚板粘貼、水泥或石膏膩子批刮,並可作為粘接劑、界面劑使用,也可配製成細石混凝土用於結構加固和維修工程。The resuit indicates : wheil treating siightiy polluted source water of xiang rivet, optimized coagulation will improve the effect of reducing organics remarkably ; gac has good effect in reducing the dbpfp and organics of xiang rivef, but the effect in reducing dbp is more obviously ; the process of " improving gac by optimized coaguiation " can not only has a wonderful result of reduction in dbppp and organics, but also improve the effect of gac evident1y and decreasing the capital cost for a gac facility ; although optimized coagulation increase the quantity of alum dose, but the level of aluminum of treated water will not beyond the standard level ; different processes will have different resu1ts in lessening the amount of organics and dbp, so we should adopt treatment process by considering the requirements of treated watel
試驗結果表明:在對受到微污染的湘江源水的處理時,強化混凝工藝對于去除有機物具有比較明顯的作用;活性炭吸附技術處理湘江源水時,其對去除水中消毒副產物前體具有明顯的效果,對去除水中有機物效果也很好,但對消毒副產物的去除效果好於對有機物的去除效果;活性炭與強化混凝聯用工藝不僅能更有效地去除水中有機物以及消毒副產物前體,還能增加活性炭的吸附性能,從而減低費用;雖然強化混凝投加了比傳統混凝多的混凝劑,但並不會使出水中鋁離子濃度超標;不同工藝對水中有機物和消毒副產物的去除效果各不相同,應根據出水要求而選擇不同的處理工藝。In view of the fact that prediction of creep and shrinkage with current bridge provision for specific concrete under specific ambience sometimes has a big discrepancy with real values, a new method to obtain the expressions of creep and shrinkage from newly - built pc bridges short - term test results is presented, and relative equations have been established. therefore, a reliable long - term prediction on effect due to creep and shrinkage in pc bridges holds a firm bearing point
研究中發現某一特定環境下工作的混凝土用現有規范公式預測得到的徐變、收縮特性常有偏差較大的現象,由此提出了從新建預應力混凝土橋梁短期試驗結果推算梁體相應素混凝土在工作環境下的徐變、收縮特性的思想和方法,並建立了計算式,為新建預應力混凝土橋梁可靠的徐變效應分析提供了前提和保證。The shrinkage reducing rate can reach to 70 % at the 7th day, and the shrinkage reducing rate can reach to 40 % at the 28th day. it doesn ’ t reduce the intension of the concrete. it can have an ability of 10 18 % of reducing water rate
通過對比試驗發現,聚丙烯酸鹽類減縮劑的最佳摻量為水泥質量的1 . 2 % , 7天減縮率可達70 % , 28天減縮率可達40 % ,且不降低混凝土的強度,具有10 18 %的減水率,有一定的緩凝作用。With the he1p of the fi11ings, forms and concrete can be great1y reduced and hence speed up the process of construction
利用輕質夾心砌塊作胎模,可以減少模板及混凝土用量,加快施工進度。It will not lead to pollution, easy to operate and has a very low cost
它不產生環境污染,易於操作,費用低廉;它減少混凝土用量,節約材料、能源、人工,縮短施工周期。By using inorganic polymer coagulant and automatic dosing method, very good treatment results were obtained. in addition, experiments were conducted on the pre - treatment of source water using kmno4, and very good results were gained. this thesis also did relevant research on the effects of enhanced pre - treatment for organic removal
還進行了試驗室靜態試驗,考察了高錳酸鉀復合藥劑用於化學預氧化的處理效果,試驗結果表明,高錳酸鉀復合藥劑具有優越的強化混凝作用,有助於去除濁度、色度功能,並能降低混凝劑用量。Fatigue property of lean concrete should be studied when the material is set as base course since it withstands the repeated actions of load stress and temperature stress
摘要貧混凝土用於路面基層時,由於受到荷載應力和溫度應力的反復作用,需研究其疲勞特性。( 3 ) reinforced concrete frame columns modeled by using three - dimensional solid element to concrete and three - dimensional bar to reinforcing steel bar, and at the same time consideration the adhesive bond between reinforcing steel bar and concrete, the fem is used. by choosing reasonable element, determining mesh division and load steps, simulation of load - displacement, cracking, yielding and ultimate load, crack development history, and calculating fail crack diagram of reinforcement concrete frame columns under laterally monotonic load are conducted. the analyses are compared with the experimental results
( 3 )混凝土用三維實體單元、鋼筋用空間桿單元對鋼筋混凝土框架柱進行三維建摸,而且同時考慮了鋼筋和混凝土的粘結性能,通過合理的單元選取、網格劃分及荷載步的確定,模擬了單調荷載作用下鋼筋混凝土框架柱的荷載啦移曲線、開裂荷載、屈服荷載及最大荷載、裂縫發展規律、計算破壞裂縫圖,並與相應的試驗結果進行了比較分析。Mixing water for concrete - specification for sampling, testing and assessing the suitability of water, including water recovered from processes in the concrete industry, as mixing water for concrete
混凝土的混合水.水取樣試驗和評定其適用性的規范,包括在混凝土加工過程中作為混凝土用混合水的回收的水分享友人