砂漿密實性 的英文怎麼說
中文拼音 [shājiāngmìshíxìng]
砂漿密實性
英文
compactness of mortar-
The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels
實驗結果顯示：鋼渣摻合料能顯著減緩水泥漿體水化速率，降低砂漿的水化溫升並延遲最高溫升時間；補償混凝土收縮，提高混凝土密實度，加強纖維與水泥石的界面粘結，增強混凝土力學性能，但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應，增韌鋼渣防滲抗裂混凝土；增加混凝土的破壞極限能，極大提高混凝土抗彎曲能力和韌性指數，改善混凝土脆性。In the aspect of mortar permeability the author has done some experiments, including the water absorption, porosity, weatherability, anti - freeze - thaw cycle, carbonation and the chloride diffusion experiment, and compared those properties with conventional mortar to testify the modified effects. on the base of these experiments, the method of sem was used to analyze the microstructure and hydration mechanism of polymer modified cement mortar, and the author draws a conclusion that the 9 percent of polymer - cement ratio is the optimum ratio
在改進砂漿的密實度和抗滲性能方面，主要進行了不同聚合物摻量下的吸水性試驗、可透孔隙率試驗、耐老化性試驗、抗凍性試驗、抗碳化試驗，以及對耐久性能影響最大的快速氯離子擴散試驗，並和普通砂漿的相應試驗進行了對比分析，驗證了聚合物砂漿的改性效果。The author excogitated a kind of appropriative mud jacking material which is made up of cement, sand, fly ash, admixture and water. this material which was developed on the basis of large amount of tests has the proprieties of good self - flowing density, high earlier strength, non - segregation, non - weepage and non - contractility. especially, the author aim at dealing with pumping mud and earlier maintained developed a kind of high flow grade material which can meet the requirement of mud jacking
本文研製了專用壓漿材料，採用水泥、砂、粉煤灰、外加劑和水混拌而成，通過大量實驗配製出的漿液具有自流淌密實性好、早期強度高、無離析、無泌水、無收縮的性能，特別是針對路面唧泥處理或預防性養護，板底脫空量較小，研製出高流動度材料，能滿足壓漿施工的需要。Study on workability - design of fresh concrete was carried out by introducing coefficient of filling - voids of mortar ( cfvm ), where cfvm was the ratio of voids content of densely packed coarse aggregates to the volume of mortar in concrete
在新拌混凝土工作性設計中引入了砂漿填充系數c _ （ fvm ）的概念， c _ （ fvm ）是混凝土中砂漿體積與粗集料振動密實空隙體積的比值。Measures for further developing concrete mix design were presented based on above work. for example, adopts pfca as an index in designing durability of concrete, uses mortar slump flow test to select cements and water - reducers and to measure saturation dosage of water - reducer in mortar and then determine optimum dosage of it in concrete, uses bar - slump test to determine stability and fluidity of fresh concrete, and consequently, the workability of high fluidity and high stability concrete such as pumped or self - compacting concrete can be designed by adopting proper cfvm determined in terms of rheological properties of designed mortar measured with cone - based rheometer
如採用粗集料破碎率作為耐久性設計的一個指標；採用砂漿坍落擴展度試驗選擇水泥和減水劑，確定砂漿中減水劑的飽和摻量，並通過上述數學模計算混凝土中減水劑的飽和摻量，以此為參照確定最佳摻量；採用障礙坍落度試驗確混凝土的穩定性和流動性，結合由漏斗式砂漿流變儀測定的砂漿流變性能確定合理的砂漿填充系數，從而實現對高流動性高穩定性要求的混凝土（如泵送和免振自密實等）的工作性設計。Abstract : in order to solve the roof leakage problems now widely exitst in buildings at home and abroad, this paper proposes the using of steel fiber reinforced polymer cement mortar concrete ( sfpcc ) as a rigid waterproofing roof material, based on that compounding polymer and cement helps improve construetion density of material. and both of polyer and steel fiber enable to enhance deformability of material. by testing elastic modulus, air shrindage and etc of sfpcc, this material is proved to be feasible in technology
文摘:針對目前國內外普遍存在的屋面防水問題，根據聚合物與水泥的復合物有利於改善材料內部結構密實度以及聚合物和鋼纖維均能改善材料變形能力的特性，提出了用鋼纖維增強聚合物水泥砂漿作為剛性屋面防水材料的設想，通過對鋼纖維聚合物水泥砂漿的彈模、干縮等試驗，論證了此種材料在技術上的可行性。To significantly improve both strength and durability of repair interfacial layer between old and new concrete, two attempts were firstly put forward in this thesis : ( 1 ) a kind of new modified primer would be produced by introducing shrinkage reducing admixture into cement mortar, which may both reduce the shrinkage of the interfacial layer, and lessen the content of large crystal in the repaired interface layer, accordingly, remarkably increase the van der waals force of interfacial layer
為大幅度提高新老混凝土修補界面層的強度和耐久性，本文首次提出並實現兩個設想： （ 1 ）以國產減縮劑為外加劑，配製新型改性水泥砂漿界面劑。該界面劑既能減少界面層宏觀干縮裂縫，又不增加大晶體，使界面層形成密實的微細觀結構，顯著提高粘結界面層內晶體間的范德華力。分享友人