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¥¡¼¥ï¡¼¥É:ASR¡¤¥ê¥Á¥¦¥à¥¤¥ª¥ó¡¤ÆâÉô°µÆþ¡¤EPMA¡¤TOF-SIMS
Controlling ASR Expansion by Lithium Ion Pressurized Injection Method
By K. Era
Concrete Jour .nla Vo.150. No.2. pp.l55~ 162. Feb.2012
Synopsis
Recently¡¤lithium ion pressurized injection method has been spotlighted as the repair method of concrete structure which deteriorated by ASR. In this study¡¤the effect of lithium ion on ASR expansion was investigated. The elemental analysis of the ASR gel sample to which lithium ion had been supplied as also performed by using SEM¡¤EPMA and TOF-SIMS. The change of the physical form of the ASR gel due to the supply of lithium ion was not found by SEM observation. However¡¤the elemental analysis by TOF-SIMS enable to obtain the element mapping of the lithium ion in ASR gel. Furthermore¡¤the elemental analysis by EPMA and TOF-SIMS demonstrated that lithium ion by the pressurized injection method has extended to the ASR gel.
Keywords: ¡¤ARS lithium ion¡¤p ressurized injection¡¤E P ¡¤AM TOF-SIMS
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6)¹¾ÎÉÏÂÆÁ¡¤²¬ÅÄÈËÇ·¡¤»°¸¶¹§Ê¸¡¤²Ï¸¶·ò»ù¡§°¡¾Ë»À¥ê¥Á¥¦¥à¹â°µÃíÆþ¤Ë¤è¤ë¥¢¥ë¥«¥ê¹üºàÈ¿±þÍÞÀ©¸ú²Ì¤Î¸¡¾Ú¡¤¥³¥ó¥¯¥ê¡¼¥È¹½Â¤Êª¤ÎÊ佤¡¤Ê䶯¡¤¥¢¥Ã¥×¥°¥ì¡¼¥É¥·¥ó¥Ý¥¸¥¦¥àÏÀʸÊó¹ð½¸¡¤Vol.5¡¤pp.189-194¡¤2005
7)¹¾ÎÉÏÂÆÁ¡¤°ÙÀо»¹¨¡¤»°¸¶¹§Ê¸¡¤µÜÀî˾ϡ§¥ê¥Á¥¦¥à¥¤¥ª¥ó¤òÆâÉô°µÆþ¤¹¤ë¾ì¹ç¤ÎÃíÆþ°µÎϤÈÃíÆþ»þ´Ö¤Ë´Ø¤¹¤ë¹Í»¡¡¤¥³¥ó¥¯¥ê¡¼¥È¹½Â¤Êª¤ÎÊ佤¡¤Ê䶯¡¤¥¢¥Ã¥×¥°¥ì¡¼¥É¥·¥ó¥Ý¥¸¥¦¥àÏÀʸÊó¹ð½¸¡¤Vol.7¡¤pp.161-166¡¤2007
8)¹¾ÎÉÏÂÆÁ¡¤»°¸¶¹§Ê¸¡¤²¬ÅÄÈËÇ·¡¤µÜÀî˾ϡ§¥ê¥Á¥¦¥à¥¤¥ª¥óÆâÉô°µÆþ¹©¤Ë¤è¤ë¥¢¥ë¥«¥ê¥·¥ê¥«È¿±þÂкö¤Ë¤Ä¤¤¤Æ¡¤ºàÎÁ¡¤Vol.57¡¤No.10¡¤pp.993-998¡¤2008
9)C.Tremblay¡¤M.A.Berube¡¤B.Fournier¡¤M.D.A.Thomas¡¤Effectiveness of Lithium-Based Products in Concrete Made with Canadian Aggregates Susceptible to ASR¡¤Marc-Andre Berube symposium on alkali-aggregate reactivity in concrete¡¤pp.217-240¡¤2006
10)¹¾ÎÉÏÂÆÁ¡¤ºå¸ý¹¸Í´¡¤»³Ëܵ®»Î¡¤µÜÀî˾ϡ§¥ê¥Á¥¦¥à¥¤¥ª¥ó¤Î¶¡µëÊýË¡¤ÎÁê°ã¤¬ASRËÄÄ¥ÍÞÀ©¸ú²Ì¤ËÍ¿¤¨¤ë±Æ¶Á¡¤¥³¥ó¥¯¥ê¡¼¥È¹½Â¤Êª¤ÎÊ佤¡¤Ê䶯¡¤¥¢¥Ã¥×¥°¥ì¡¼¥É¥·¥ó¥Ý¥¸¥¦¥àÏÀʸÊó¹ð½¸¡¤Vol.8¡¤pp.185-192¡¤2008
11)C.L.Collins¡¤ J.H.Ideker¡¤ G.S.Willis and K.E.Kuritis¡§Examination of the Effects of LiOH¡¤ LiCl¡¤ and LiNO3 on Alkali-Silica Reaction¡¤ Cement and Concrete Reseach¡¤ Vol.34¡¤ No.8¡¤ pp.1403-1425¡¤ 2004
12)X.Mo¡¤ C.Yu and Z.Xu¡§Long-Term Effectiveness and Mechanism of LiOH in Inhibiting Alkali-Silica Reaction¡¤ Cement and Concrete Research¡¤ Vol.33¡¤ pp.115-119¡¤ 2003
13)Katayama¡¤T¡¤ Oshiro¡¤T.¡¤ Sarai¡¤Y.¡¤ Zaha¡¤K.¡¤ and Yamato¡¤T.¡§Late-expansive¡¡ASR due to imported sand and local aggregates in Okinawa island¡¤ southwestern Japan¡¤Proc. 13th International Conference on AAR in Concrete¡¤ pp.862-873¡¤ 2008
14)¹¾ÎÉÏÂÆÁ¡¤»°¸¶¹§Ê¸¡¤»³Ëܵ®»Î¡¤µÜÀî˾ϡ§¥ê¥Á¥¦¥à¥¤¥ª¥ó¤Ë¤è¤ëASRËÄÄ¥ÍÞÀ©¸ú²Ì¤Ë´Ø¤¹¤ë°ì¹Í»¡¡¤ºàÎÁ¡¤Vol.58¡¤No.8¡¤pp.697-702¡¤2009