泡沫混凝土是我国水泥基建筑材料的重要组成部分,分析了孔结构的分类及其对泡沫混凝土的强度、耐久性、保温系数等宏观性能的影响,发现泡沫混凝土的宏观性能与孔结构密切相关.总结了泡沫混凝土孔结构的控制技术,发现水灰比、矿物掺合料等的加入都会影响孔的形成.在此基础上,提出加强对建立孔结构与宏观性能之间的理论模型、孔结构与宏观性能间关系的适用范围、孔的定量控制等方面的研究.
参考文献
[1] | 邓雯琴.纤维混凝土的孔结构特征与耐久性分析[M].大连:大连交通大学出版社,2010 |
[2] | 吴中伟;廉惠珍.高性能混凝土[M].北京:中国铁道出版社,1999 |
[3] | N. Narayanan;K. Ramamurthy .Structure and properties of aerated concrete: a review[J].Cement & concrete composites,2000(5):321-329. |
[4] | R(o)βler M;Odler I .Investigations on the relationship be tween porosity,structure and strength of hydrated Portland cement pastes:Effect of porosity[J].Cement and Concrete Research,1987,17(01):22. |
[5] | Hoff G C .Porosity-strength considerations for cellular concrete[J].Cement and Concrete Research,1972,2(01):91. |
[6] | E.P. Kearsley;P.J. Wainwright .The effect of porosity on the strength of foamed concrete[J].Cement and Concrete Research,2002(2):233-239. |
[7] | 方永浩,王锐,庞二波,周玥.水泥-粉煤灰泡沫混凝土抗压强度与气孔结构的关系[J].硅酸盐学报,2010(04):621-626. |
[8] | Rakesh Kumar;B. Bhattacharjee .Porosity, pore size distribution and in situ strength of concrete[J].Cement and Concrete Research,2003(1):155-164. |
[9] | E.K. Kunhanandan Nambiar;K. Ramamurthy .Air-void characterisation of foam concrete[J].Cement and Concrete Research,2007(2):221-230. |
[10] | Nyame B K;Illston J M .Relationship between permeability and pore structure of hardened cement paste[J].Magazine of Concrete Research,1981,33(116):139. |
[11] | E.P. Kearsley;P.J. Wainwright .Porosity and permeability of foamed concrete[J].Cement and Concrete Research,2001(5):805-812. |
[12] | E.K. Kunhanandan Nambiar;K. Ramamurthy .Sorption characteristics of foam concrete[J].Cement and Concrete Research,2007(9):1341-1347. |
[13] | Senbu O;Kamada E.Mechanism and evaluation method of frost deterioration of cellular concrete,durability of building materials and components[A].,1990 |
[14] | Paul J. Tikalsky;James Pospisil;William MacDonald .A method for assessment of the freeze-thaw resistance of preformed foam cellular concrete[J].Cement and Concrete Research,2004(5):889-893. |
[15] | K. Ramamurthy;E.K. Kunhanandan Nambiar;G. Indu Siva Ranjani .A classification of studies on properties of foam concrete[J].Cement & concrete composites,2009(6):388-396. |
[16] | Campbell-Allen D;Thorne C P .The thermal conductivity of concrete[J].Magazine of Concrete Research,1963,15(43):39. |
[17] | Zimmerman R W .Thermal conductivity of fluid-saturated rocks[J].Journal of Petroleum Science and Engineering,1989,3(03):219. |
[18] | Md Azree Othuman Mydin .Effective thermal conductivity of foamcrete of different densities[J].Concr Res Lett,2011,2(01):181. |
[19] | Khan M I .Factors affecting the thermal properties of concrete and applicability of its prediction models[J].Build Environment,2002,37(06):607. |
[20] | A. Just;B. Middendorf .Microstructure of high-strength foam concrete[J].Materials Characterization,2009(7):741-748. |
[21] | A. Laukaitis;J. Keriene;D. Mikulskis;M. Sinica;G. Sezemanas .Influence of fibrous additives on properties of aerated autoclaved concrete forming mixtures and strength characteristics of products[J].Construction and Building Materials,2009(9):2973-2987. |
[22] | Prinya Chindaprasirt;Chai Jaturapitakkul;Theerawat Sinsiri .Effect of fly ash fineness on microstructure of blended cement paste[J].Construction and Building Materials,2007(7):1534-1541. |
[23] | N. Narayanan;K. Ramamurthy .Microstructural investigations on aerated concrete[J].Cement and Concrete Research,2000(3):457-464. |
[24] | 苏雷;马保国;蹇守卫.纤维素醚对水泥浆体性能的影响[M].北京:化学工业出版社,2009:157. |
[25] | Huai Xiulan;Wang Weiwei;Li Zhigang .Analysis of the effective thermal conductivity of fractal porous media[J].Applied Thermal Engineering,2007,27(17):2815. |
[26] | 金珊珊,张金喜,李爽.混凝土孔结构分形特征的研究现状与进展[J].混凝土,2009(10):34-37,42. |
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