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A classification of studies on properties of foam concrete K. Ramamurthy *, E.K. Kunhanandan Nambiar, G. Indu Siva Ranjani Building Technology and Construction Management Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600036, India a r t i c l e i n f o Article history: Received 2 June 2008 Received in revised form 9 April 2009 Accepted 14 April 2009 , Akademikiado; 1963. [4] Short A, Kinniburgh W. Lightweight concrete. Asia Publishing House; 1963. [5] Jones MR, McCarthy A. Behaviour and assessment of foamed concrete for construction applications. In: Dhir RK, Newlands MD, McCarthy A, editors. Use of foamed concrete in construction. London: Thomas Telford; 2005. p. 61¨C88. [6] Kearsley EP, Wainwright PJ. The effect of high fly ash content on the compressive strength of foamed concrete. Cem Concr Res 2001;31:105¨C12. [7] De Rose L, Morris J. The influence of mix design on the properties of microcellular concrete. In: Dhir RK, Handerson NA, editors. Specialist techniques and materials for construction. London: Thomas Telford; 1999. p. 185¨C97. [8] Turner M. Fast set foamed concrete for same day reinstatement of openings in highways. In: Proceedings of one day seminar on foamed concrete: properties, applications and latest technological developments. Loughborough University; July 2001. p. 12¨C8. [9] Jones MR, McCarthy A. Preliminary views on the potential of foamed concrete as a structural material. Mag Concr Res 2005;57:21¨C31. [10] Jones MR, McCarthy A. Utilising unprocessed low-lime coal ash in foamed parameters. Concrete/Beton 2002;101:8¨C14. [79] Cabrillac R, Fiorio B, Beaucour A, Dumontet H, Ortola S. Experimental study of the mechanical anisotropy of aerated concrete and of the adjustment parameters on the induced porosity. Construct Build Mater 2006;20:286¨C95. [80] Narayanan N, Ramamurthy K. Microstructural investigations on aerated concrete. Cem Concr Res 2000;30:457¨C64. [81] ACI 523. 1R-1992, Guide for cast-in-place low density concrete. Am Concr Inst 1992. [82] Aldridge D. Foamed concrete. Concrete 2000;34(4):20¨C2. K. Ramamurthy et al. / Cement & Concrete Composites 31 (2009) 388¨C396 [83] Hamidah MS, Azmi I, Ruslan MRA, Kartini K, Fadhil NM. Optimisation of foamed concrete mix of different sand ¨C cement ratio and curing conditions. In: Dhir RK, Newlands, MD, McCarthy A, editors. Use of foamed concrete in construction. London: Thomas; 2005. [84] Watson KL. Autoclaved aerated concrete from slate waste Part 2: some property/porosity relationship. Int J Lightweight Concr 1980;2(3):121¨C3. [85] Hall C. Water sorptivity of mortar and concretes: a review. Mag Concr Res 1989;41:51¨C61. [86] Wilson MA, Hoff WD, Hall C. Water movement in porous building materials- Absorption from a small cylindrical cavity. Build Environ 1991;26:143¨C52. ³¬¼¶»ìÄýÍÁ »·×´ºËÜÕ½üÄêÀ´ÔÚ¿¹Ö×ÁöÒ©ÎïºÍ¿¹²¡¶¾ÖÎÁÆ·½ÃæµÃµ½¹ã·ºµÄ¹Ø×¢£¬ÔÚѰÕÒºÏÊÊ¿¹²¡¶¾ÖмäÌåÒ©ÎïÖУ¬ÌرðÊÇÕë¶ÔHIVºÍBÐ͸ÎÑײ¡¶¾µÄÒ©ÎÈËÃÇ·¢ÏÖcarbovirÕâÖÖÒ©ÎïÔÚÉúÎïÌåÍâ¾ßÓм«ÆäÏÔÖøµØÒÖÖÆHIV·´×ªÂ¼Ã¸µÄÁÆÐ§¡£½üÆÚ£¬Ò»ÖÖÐÂÐ͵ķ´×ªÂ¼Ã¸ÒÖÖÆ¼Á1592U89±»·¢ÏÖ£¬Æä½á¹¹Èçͼ2Ëùʾ£¬ÏÖÔÚÒѾ½øÈë¶þ¼¶ÁÙ´²ÊµÑé½×¶Î¡£¾Ý±¨µÀ1592U89¶ÔÖÎÁÆHIV¾ßÓм«ºÃµÄЧ¹û£¬ÔÚÁ¬Ðø×¢Éä12ÖÜÒÔºó£¬É±¾úÂÊ´óÓÚ99%²¢ÇÒ¿ÉÒÔÓÐЧµØÌá¸ßHIV»¼ÕßÌåÄÚµÄCD4º¬Á¿¡£ÓÉÓÚ²»¶Ô³Æ»·×´ºËÜÕÔÚÖÎÁÆÖÐÓÐÏÔÖøµÄ×÷Óã¬ÆäºÏ³É¹¤ÒÕ²»¶ÏµØµ½¸Ä½ø¡£±¾ÎĶÔcarbovirºÍ 1592U89µÄ´óÌå²»¶Ô³ÆºÏ³É¹ý³Ì½øÐÐÁËÃèÊö¡£ ÆäÖÐîÙ´ß»¯Trost·´Ó¦Ê¹µÃàÑßÊ»òà×व×ÎïÓë»·Ï©±û»ù̼ËáÑλò´×ËáÑη´Ó¦ÊDz»¶Ô³ÆºÏ³É»·×´ºËÜÕµÄÒ»ÖÖ¼«ºÃµÄ·½·¨¡£ ʹÓÃÕâÖÖ·½·¨±ØÐëÖÆ±¸´¿¾»µÄ¶ÔÓ³ÌåµÄ5-ôǼ׻ù-2-»·ÎìÏ©-1-´¼»òÆäÒì¹¹Ìå4-ôǼ׻ù-2-»·ÎìÏ©-1-´¼£¬ËûÃǶ¼¿ÉÒÔ±äΪ¦ÐÏ©±û»ùîÙý½éÀ´µÃµ½ºËÜÕµ×Îï¡£ÎÒÃÇͨ¹ý±Õ»·×÷ÓýáºÏÉÏÒ»¸ö²»¶Ô³ÆµÄ¶¡¼ä´¼È©ÒÔ´Ë¿ÉÒÔѸËÙ¹¦ÄÜ»¯·´Ó¦µÃµ½²»¶Ô³ÆµÄ̼»·£¬½øÐкϳÉ5-ôǼ׻ù-2-»·ÎìÏ©-1-´¼¡£ ·´Ó¦¹ý³ÌÈçÏÂͼËùʾ£º (S)-4-Üлù-2-¶ñßòÍéͪ¡¢½ðÊôï®»¯ºÏÎïÓë4-ÎìÏ©Ëáôû·´Ó¦µÃµ½»¯ºÏÎï6£¬»¯ºÏÎï6ÔÚÓëBU2BOTf¡¢Et3N¡¢CH2Cl2¡¢±ûϩȩ·´Ó¦µÃµ½»¯ºÏÎï7£¬Æä²úÂÊΪ82%£¬[(>99% de[R]24D +50.6¡ã (c ) 0.89, CHCl3)]¡£ ÔÚ¶þÂȼ×ÍéÈÜÒºÖбջ·¾´ß»¯¿ª»·30·ÖÖÓºó·´Ó¦²úÂÊΪ97%£¬µÃµ½»¯ºÏÎï8¡£»¯ºÏÎï8ÔÙͨ¹ýÓëLiBH4ºÍ¼×´¼·´Ó¦£¬µÃµ½5-ôǼ׻ù-2-»·ÎìÏ©-1-´¼ÖмäÌå[[R]24D -125.1¡ã(c ) 0.47, CHCl3), >99.6% ee by chiral HPLC of the dip-toluate]£¬Æä²úÂÊΪ78%£¬½Ó×Ŷþ´¼ÔÙת»»³É9¡¢10¡¢11»¯ºÏÎÆä²úÂÊ·Ö±ðΪ52%¡¢90%¡¢90%¡£È»ºóÔÙ½«ÕâÈýÖÖ»¯ºÏÎïÓë12¡¢13½øÐз´Ó¦£¬ÒÔ´ËÀ´ÆÀ¼ÛîÙ´ß»¯·´Ó¦µÄЧ¹û¡£ »¯ºÏÎï11Óë12·´Ó¦ÔÚÈý±½»ùì¢îÙºÍÇâ»¯ÄÆÌõ¼þϵõ½ÒÔ86£º14»ìºÏµÄ·´Ó¦Îï14aºÍ15a¡£N9-N7µÄÑ¡ÔñÐÔÊÇàÑßÊÓëÌÇ·´Ó¦µÄÆÕ±éÎÊÌ⣬µ«ÊÇÔÚ×î½ü ¿ÉÒÔÀûÓÃîÙ´ß»¯ºÏ³É»·×´ºËÜÕ¡£ÀûÓû·×´Ì¼ËáÑκͻ¯ºÏÎï12·´Ó¦µÃµ½ÉÏÊöÀàËÆµÄ½á¹û£ºN9:N7¼´14c£º15cΪ85£º15.µ«ÊÇ̼ËáÇâÄÆ½ö½öµÃµ½Ò»¸ö14b£º15bΪ74£º26µÄ½á¹û£¬ÔÙ¾´¿»¯ºó14b½öÕ¼68%¡£ÂÈàÑßÊ14aÓë»·±û»ù°·»¯ºÏÎïÔÚÒÒ´¼ÈÜÒºÖз´Ó¦£¬ÔÙÓÃÇâÑõ»¯ÄÆË®ÈÜÒºÌá´¿µÃµ½×îÖÕ²úÎï1592U89£¬²úÂÊΪ81%¡£ÔÙÕߣ¬Ö±½Ó¶Ô14aÔÚÇâÑõ»¯ÄÆÈÜÒºÖнøÐÐË®½â¿ÉÒԵõ½carbovir£¬Æä²úÂÊΪ68%¡£µ±ÀûÓû¯ºÏÎï13ÔÚîÙ´ß»¯·´Ó¦ÖÐ×÷ΪÇ׺ËÊÔ¼ÁµÄʱºò£¬N9£ºN7µÄÇøÓòÑ¡ÔñÐԵõ½Á˺ܺõĸÄÉÆ¡£»¯ºÏÎï11Óë13ºÍ10 mol %µÄÈý±½»ùì¢îÙ¡¢ÇâÑõ»¯ÄÆÔÚDMSOÈÜÒºÖз´Ó¦µÃµ½Ò»¸öN9:N7Ϊ95£º5µÄ»ìºÏÎï¡£N9µÄÒì¹¹Ìå16²úÂÊΪ62%£¬¾ÇâÑõ»¯ÄÆË®ÈÜҺˮ½âÈÝÒ׵õ½×îÖÕ²úÎï1592U89¡£ ÕâÀï½²ÊöµÄ·½·¨¿ÉÒÔ¿ìËÙÓÐЧµØºÏ³É¶ÔÓ³Ìå¸ß´¿¶È»·×´ºËÜÕ¡£ºÏ³ÉÆäËûһϵÁеĻ·×´ºËÜÕÒ²¿Éͨ¹ý ºÏ³É£¨R£©-4-±½¼×»ù-2-ßò»òÕßÏàÀàËÆµÄ½á¹¹¡£Í¨¹ýÌṩ¿É¿ØµÄÁ¢Ì廯ѧÀ´½øÐбջ··´Ó¦¿ÉÒԹ㷺ӦÓõ½¶ÔÓ³Ìå̼»·ºÍÔÓ»·µÄÖÆ±¸ÖÐÈ¥¡£ |
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