外文翻譯--膠凝復(fù)合材料脆性改性方法研究(中文-其他專業(yè)-資料下載頁(yè)
2025-01-19 00:41本頁(yè)面
【導(dǎo)讀】試驗(yàn)結(jié)果表明，固化條件對(duì)拉伸性能有顯著影響。加入適量體積份數(shù)的。在某種程度上由于聚合物膜的形成，阻礙了水泥的水化EVA能提高膠凝。膠凝復(fù)合材料被廣泛應(yīng)用于大量結(jié)構(gòu)材料。性膠凝復(fù)合材料在很多工程的應(yīng)用中受到限制。一直以來研究人員通過各種辦法。因此纖維增強(qiáng)復(fù)合膠凝材料應(yīng)運(yùn)而生。凝土FRCC拉或彎曲性能因各種裂紋形成而受到破壞。的假硬化理論，并提出了復(fù)合材料設(shè)計(jì)這一特殊理論。他們?cè)斐隽藨?yīng)變能力為3%-6%的高性能膠凝復(fù)合材。料，其應(yīng)變能力遠(yuǎn)遠(yuǎn)超過傳統(tǒng)的膠凝復(fù)合材料。由于原材料的差異也會(huì)造成膠凝復(fù)合。件可顯著影響膠凝復(fù)合材料的微觀結(jié)構(gòu)和宏觀性能?？紤]到實(shí)際工程中膠凝復(fù)合。對(duì)脆性膠凝復(fù)合材料，基體開裂強(qiáng)度由基體韌性和在。樣品應(yīng)力處的最大裂紋或缺陷而決定。公司生產(chǎn)的，其固體含量為23%。配合比和檢測(cè)結(jié)果分別如表3和表HC表示。圖1表示SR11、SRT在28天時(shí)的拉應(yīng)力與應(yīng)變曲線。
【正文】 ANS A G. The Mechanics of Matrix Cracking in Brittle Matrix Fiber Composites[J]. ACTA Metallurgical, 1985, 33(11): 2 0132 021 [8] WANG S and LI V C. Tailoring of PreExisting Flaw in ECC Matrix for Saturated Strain Hardening[C]. Proceedings of the Fifth International Conference on Fracture Mechanics of Concrete and Concrete Structures. Colorado: IaFraMCos, 2021: 1 0051 012 [9] Li V C, WU H C, and CHAN Y W. Interfacial PropertyTailoring for Pseudo StrainHardening CementitiousComposites[C]. Advanced Technology on Design and Fabrication of Composite Materials and Structures. Netherlands: Kluwer Acad. Publ., 1995: 261268 [10] SUN W, MANDEL J A and SAID Samir. Studies of theProperties of the FiberMatrix Interface in Steel Fiber Reinforced Mortar[J]. ACI Materials Journal, 1987, 84(12): 101109 [11] AKERS S A S. Long Term Durability of PVA ReinforcingFibers in a Cement Matrix[J]. The International Journal ofCement Composite and Lightweight Concrete, 1989, 11:7991 [12] KANDA T and LI V C. Interface Property and Apparent Strength of HighStrength Hydrophilic Fiber in Cement Matrix[J]. Journal of Materials in Civil Engineering, 1998,10(1): 513 [13] LI V C and WANG S. Process for Increasing the Ductility of High Performance FiberReinforced Brittle Matrix Composites and Composites Produced Thereby[P]. US Patent 7169224. 20210130 [14] REDON C. Measuring and Modifying Interface Properties of PVA Fibers in ECC Matrix[J]. ASCE J. Materials in Civil Engineering, 2021, 13(6): 399406 [15] CHEN H SUN W and PIET S. Interfacial Transition Zone Between Aggregate and Paste in Cementitious Composites (II): Mechanism of Formation and Degradation of Interfacial Transition Zone Microstructure and Its Influence Factors[J]. Journal of the Cement Ceramic Society, 2021, 32(1): 7080 [16] CHAN Y W and LI V C. Age Effect on the Characteristics of Fibre/Cement Interfacial Properties[J]. Journal of Materials Science, 1997, 32: 5 2875 292 [17] WANG S and LI V C. Engineered Cementitious Composites with HighVolume Fly Ash[J]. ACI Materials Journal, 2021, 104(3): 233241
畢業(yè)設(shè)計(jì)相關(guān)推薦
鄂ICP備17016276號(hào)-1