坍落度試驗 的英文怎麼說
中文拼音 [tānlàdùshìyàn]
坍落度試驗
英文
gravimetric yield test-
Standard test method for slump of hydraulic cement concrete
水凝水泥混凝土坍落度的標準試驗方法Testing fresh concrete - part 2 : slump test
新澆混凝土試驗.第2部分:坍落度試驗Aminobenzenesulfonic acid super - plasticizer is selected though cement paste test, which be provided with high water - reducing property, low slump loss and good compatibility with cement. according to the request of super high early strength, admixture rf is obtained though tests to compare performances of different accelerators and admixtures. experimental research and analysis are carried out on coarse aggregate ' s grain - size effect and composite aggregate ' s bulk - density to take sensitivity of coarse aggregate into account
通過水泥凈漿試驗比較選擇了減水率高、坍落度損失小、與水泥適應性好的氨基苯磺酸鹽高效減水劑；針對超早強的性能要求，試驗比較了不同早強劑及早強性摻合料的性能表現，研製了早強性能顯著、與高效減水劑和水泥相容性較好的rf摻合料；考慮到修補混凝土對粗集料粒徑的敏感性，對粗集料粒徑效應及混合集料堆積密度進行試驗研究與分析；並對修補混凝土的抗折、抗壓、新老界面粘結強度以及抗凍性等進行了試驗研究。Standard test method for time of flow of fiber - reinforced concrete through inverted slump cone
通過翻轉的坍落度筒測定纖維增強混凝土流動時間的標準試驗方法Workability - design of fresh concrete was studied from rheology aspect. mortar slump flow test was further developed to evaluate properties of water - reducers and compatibility between cement and water - reducer for mortar. a method for measuring water absorbed by coarse aggregate in fresh concrete was put forward
從流變學角度對新拌混凝土工作性進行了以下研究：進一步完善了砂漿坍落擴展度試驗方法，用於測評砂漿中減水劑飽和摻量及水泥對外加劑的適應性。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。In place slump test
現場坍落度試驗Test relating to pavements. tests for concrete with d superior 40 mm. part 2 : slump test using a cone
路面試驗.直徑大於40mm混凝土試驗.第2部分:用錐體進行的坍落度試驗The experiment test results of mechanical properties and durability of hprrc show : no matter at early age or later age, the ration of flexural strength to the cubic compression strength of hprrc is higher than ordinary concrete, and the brittleness of hprrc is reduced ; the bond performance of new - old concrete interface and chloride permeability are good ; its resistance to freeze and thaw, permeability are all excellent ; its volume stability is improved, and its cracking resistance is good
配製出和易性優良（坍落度30mm ） 12 48h能滿足開放交通的hprrc 。 5 、 hprrc力學性能、耐久性能試驗結果表明：無論早期還是後期，其折壓比均比普通砼的有所提高，脆性有所降低；新老砼粘結性能優良；並具有優異的抗凍性、抗滲性、耐磨性，抗氯離子滲透能力強；體積穩定性大為提高，抗裂性好。Adopting different cfvm concretes with different workability were achieved while the same proportioned mortars and the same kind of coarse aggregates were used. 3
用障礙坍落度試驗測試混凝土的工作性發現，砂漿填充系數不同時，用同一種砂漿和粗集料可配製不同工作性的混凝土。Saturation dosages of two plasticizers in concretes were measured by bar - slump test. a mathematic model for calculating saturation dosage of plasticizer in concrete from which in mortar was found out by taking adsorption of coarse aggregate into account
建立了粗集料在新拌混凝土中吸附水率的測試方法，與改進的障礙坍落度試驗方法相結合，提出了從砂漿到混凝土的減水劑飽和摻量數學模型。分享友人