Krystaline Technology S.A.<\/a>, <\/span>\u00a0sem hefur um skei\u00f0 framleitt efni, KRYSTALINE, sem vir\u00f0ist vera samb\u00e6rilegt XYPEX hva\u00f0 var\u00f0ar vatns\u00fe\u00e9ttingu \u00e1 steinsteypu. Efni\u00f0 hefur einnig C.S.H. virkni e\u00f0a possolan virkni sem gerir steypuna mun sterkari.
KRYSTALINE er n\u00fdrra og er auk \u00feess mun hagkv\u00e6mara \u00ed notkun en XYPEX. Sem d\u00e6mi \u00fe\u00e1 \u00fearf bara 1 kg\/m3 af \u00feessu efni sama hvert magn sements er \u00ed steypubl\u00f6ndunni, saman bori\u00f0 vi\u00f0 3-7 kg\/m3 af XYPEX. Efni\u00f0 er pakka\u00f0 \u00ed 1 k\u00edl\u00f3a plasthulsur sem leysast upp \u00ed vatni og er sett me\u00f0 \u00f6\u00f0rum \u00feurrefnum \u00ed steypuna.
Einnig er sami framlei\u00f0endi me\u00f0 steypu\u00feekju og m\u00farefni \u00ed \u00e6tt vi\u00f0 XYPEX CONCENTRATE en me\u00f0 C-S-H virkni.
KRYSTALINE C-S-H er n\u00fa \u00feegar nota\u00f0 \u00ed yfir 25 l\u00f6ndum v\u00ed\u00f0a um heim.
Sj\u00e1: http:\/\/www.krystalinetechnology.com\/
G\u00edsli Gu\u00f0mundsson er \u00cdslenskum a\u00f0li ehf. innan handar \u00ed t\u00e6knilegum efnum.
\u00cdslenskur a\u00f0all ehf. hefur n\u00fa gert samning vi\u00f0 framlei\u00f0enda um a\u00f0 vera fulltr\u00fai hans \u00e1 \u00cdslandsmarka\u00f0i.<\/p>\nSt\u00e6rsti hluti sements eru kals\u00edum s\u00edlik\u00f6t.
\u00deegar sementi\u00f0 blotnar \u00fe.e.a.s. \u00feegar steypa er ger\u00f0 \u00fe\u00e1 ver\u00f0a til tv\u00e6r kals\u00edum bindingar.
Annars vegar kals\u00edum \u2013 h\u00fddrox\u00ed\u00f0 kalla\u00f0 C-H
og hins vegar kals\u00edum-s\u00edlikat-h\u00fddrad kalla\u00f0 C-S-H sem er hin eiginlega sementsefja.<\/p>\n
C-H Ca(OH)2
C-H er l\u00edka kalla\u00f0 Portlandite. \u00dea\u00f0 er \u00ed stuttu m\u00e1li efni\u00f0 sem vi\u00f0 viljum hafa sem minnst af \u00ed steypunni.
\u00dea\u00f0 er mj\u00fakt og myndar m.a. gel og getur leki\u00f0 \u00fat \u00far steypunni. C-H \u00ed sambandi vi\u00f0 kold\u00edox\u00ed\u00f0 og vatn lei\u00f0ir til karb\u00f3niseringar steypunnar. Einnig geta myndast \u00f3\u00e6skileg samb\u00f6nd vi\u00f0 C-H \u00ed brennisteinsr\u00edku umhverfi og \u00fatkoman ver\u00f0ur gifs.
Me\u00f0 KRYSTALINE minnkar C-H myndunin um 25%<\/p>\n
C-S-H (CaO) +(SiO2) + (H2O)
\u00deetta efni ver\u00f0ur til \u00feegar steypa har\u00f0nar.
C-S-H er \u00fea\u00f0 sem bindur steypuna saman.
\u00deetta er \u00e6skilega k\u00edsilbindingin.
Me\u00f0 KRYSTALINE eykst C-S-H myndunin um 36%<\/p>\n
Krystaline sj\u00e1lf\u00fe\u00e9ttandi efni byggir \u00e1 hinni byltingarkenndu C-S-H t\u00e6kni.
Me\u00f0 henni er komin n\u00e6sta kynsl\u00f3\u00f0 vatns\u00fe\u00e9ttiefna.
Kristal C-S-H t\u00e6knin b\u00e6tir h\u00f6rnunarferli steypunnar til muna.
\u00dea\u00f0 \u00fe\u00fd\u00f0ir a\u00f0 C-S-H myndunin ver\u00f0ur mun meiri og \u00f6rari \u00e1 kostna\u00f0 C-H sem myndast mun h\u00e6gar en ella.
\u00deetta ver\u00f0ur til \u00feess a\u00f0 steypan ver\u00f0ur miklu \u00feolnari og endingarbetri.<\/p>\n
\u00c1vinningur Krystaline C-S-H umfram \u00f6nnur kristalefni:
Miklu meiri vatns\u00fe\u00e9tting til b\u00e6\u00f0i styttri og lengri t\u00edma.
Gr\u00ed\u00f0arleg v\u00f6rn gegn h\u00e1um vatns\u00fer\u00fdstingi.
Merkjanlegur munur \u00e1 b\u00e6\u00f0i \u00fer\u00fdstistyrk og tog\u00feoli.
Sta\u00f0fest \u00fe\u00e9tting \u00f6rp\u00f3ra vi\u00f0 yfirbor\u00f0 \u00e1 28 daga h\u00f6rnunart\u00edma.
Ranns\u00f3knir s\u00fdna fram \u00e1 sj\u00e1lf\u00fe\u00e9ttingu \u00ed sprungum allt a\u00f0 0.7 mm a\u00f0 breidd.
Sta\u00f0fest og votta\u00f0 a\u00f0 Kristal C-S-H kemur \u00ed sta\u00f0 vatnsverjandi d\u00faka.
Sta\u00f0fest og votta\u00f0 a\u00f0 Kristal C-S-H kemur \u00ed sta\u00f0 vatnsverjandi yfirbor\u00f0sefna.
St\u00f3rlega auki\u00f0 \u00feol og ending steypunnar.<\/p>\n
Heftu\u00f0 myndun C-H ( Kals\u00edum H\u00fddrox\u00ed\u00f0) me\u00f0 Kristal C-S-H t\u00e6kni n\u00e6st eftirfarandi \u00e1vinningur umfram hef\u00f0bundna kristalvirkni.
Kemur \u00ed veg fyrir r\u00fdrnun og \u00feannig helst styrkur og \u00fe\u00e9ttleiki steypunnar varanlega.
Kemur \u00ed veg fyrir karboniseringu, ferli sem eykur hr\u00f6rnun.
Kemur \u00ed veg fyrir t\u00e6ringu vegna myndunar gifs og ettringer gels.
Eykur styrk og endingu steypunnar.
Me\u00f0 \u00fev\u00ed a\u00f0 notast vi\u00f0 Krystaline C-S-H t\u00e6kni ver\u00f0ur til verulegur sparna\u00f0ur vi\u00f0 vatsn\u00fe\u00e9ttingu og vi\u00f0hald ver\u00f0ur \u00ed algj\u00f6ru l\u00e1gmarki um \u00f3komna framt\u00ed\u00f0<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=“1″ admin_label=“About“ _builder_version=“4.18.0″ _module_preset=“default“ custom_padding=“0px||0px||true|false“ locked=“off“ collapsed=“on“ global_colors_info=“{}“][et_pb_row _builder_version=“4.23.1″ _module_preset=“default“ global_colors_info=“{}“][et_pb_column type=“4_4″ _builder_version=“4.23.1″ _module_preset=“default“ global_colors_info=“{}“][et_pb_text _builder_version=“4.27.6″ _module_preset=“default“ text_font_size=“16px“ text_line_height=“1.8em“ hover_enabled=“0″ global_colors_info=“{}“ sticky_enabled=“0″]<\/p>\n
PRA kerfi\u00f0.<\/strong><\/p>\n\u00cd kafla 15 \u00ed sk\u00fdrslu Bandar\u00edsku steinsteypustofnunarinnar \u201eAmerican Concrete Institude\u201c (ACI) 212.3R10 eru vatnsverjandi \u00edbl\u00f6ndunarefni \u201c Permeability Reducing Admixtures\u201c ( PRA) \u00ed steypu skipt \u00ed tvo flokka. PRAN og PRAH.
N stendur fyrir vatnsv\u00f6rn \u00e1n \u00fer\u00fdstings (Non-Hydrostatic)
H stendur fyrir vatnsv\u00f6rn undir \u00fer\u00fdstingi. (Hydrostatic)<\/p>\n
\u00deegar kemur a\u00f0 vatnsv\u00f6rn \u00fe\u00e1 er h\u00e6gt a\u00f0 skipta henni \u00ed:<\/p>\n
Vatnsfr\u00e1hrindandi vatnsv\u00f6rn (HYROPHOBIC)<\/strong>
Vatnsdr\u00e6g vatnsv\u00f6rn (HYDROPHILIC)<\/strong>
\u00d3virk\/ virk fylliefni<\/strong><\/p>\nVatnsfr\u00e1hrindandi vatnsv\u00f6rn<\/strong>
Lang flest efni sem falla \u00ed \u00feennan h\u00f3p eru vatnsfr\u00e1hrindandi.
\u00deetta eru s\u00f6lt sem eru bygg\u00f0 \u00e1 t.d. s\u00e1pum, jurtaol\u00edum, fitus\u00fdrum og ol\u00edum (Petroleum based).
\u00deessi efni mynda vatnsverjandi lag \u00ed holr\u00fdmum yfirbor\u00f0sins en loka \u00fev\u00ed ekki.
Algengast eru a\u00f0 s\u00f6ltin byggist \u00e1 kals\u00edum, ammon\u00edaki og butyl stearati.
\u00deessi efni ganga \u00ed samband vi\u00f0 kals\u00edum h\u00fddrox\u00ed\u00f0 og mynda \u00f3uppleysanlegt kals\u00edum streat, \u00feau mynda vatnshrindandi h\u00fa\u00f0 vi\u00f0 yfirbor\u00f0 steypunnar.
Steypa sem me\u00f0h\u00f6ndlu\u00f0 hefur veri\u00f0 me\u00f0 \u00feannig efnum (\u00fear me\u00f0 tali\u00f0 vax og bikandi fleyti (bituminous emulsions) n\u00e6r ekki a\u00f0 loka holr\u00fdmum fyllilega
\u00deessi efni er \u00e1g\u00e6tis vatnsv\u00f6rn og ve\u00f0urv\u00f6rn \u00fear sem \u00fer\u00fdstingur er ekki til sta\u00f0ar.
\u00de\u00f3 a\u00f0 \u00ed einhverjum tilfellum geti efnin \u00fe\u00e9tt yfirbor\u00f0i\u00f0 \u00fea\u00f0 miki\u00f0 a\u00f0 \u00feau f\u00e9llu undir PRAH skilgreininguna. En \u00fear sem \u00feau hafa ekki sj\u00e1lf\u00fe\u00e9ttieiginleka n\u00e1 \u00feau \u00fev\u00ed ekki.
\u00deessi efni f\u00e1 skilgreininguna PRAN hj\u00e1 ACI.<\/p>\n\u00d3virk\/virk fylliefni.<\/strong>
Efni sem bygg\u00f0 eru \u00e1 talki, bent\u00f3n\u00edti, k\u00edslidufti, leir, kolvetnisresini og kaldri tj\u00f6ru eru \u00f3virk efni.
Virku efnin byggjast t.d. \u00e1 kalki, s\u00edl\u00edk\u00f6tum og k\u00edsilkvo\u00f0u.
\u00deessi efni \u00fe\u00e9tta yfirbor\u00f0i\u00f0 en n\u00e1 ekki a\u00f0 loka \u00f6llum holr\u00fdmum.
Vatni\u00f0 n\u00e6r \u00fev\u00ed a\u00f0 komast inn \u00ed steypuna.
\u00ed sama flokk skipar ACI flug\u00f6sku, gjalli, k\u00edsilryki og \u00f6\u00f0rum \u201ePozzol\u00f6num\u201c.
\u00deessi efni f\u00e1 skilgreininguna PRAN hj\u00e1 ACI<\/p>\nVatnsdr\u00e6g vatnsv\u00f6rn. KRYSTALINE<\/strong>
Vatnsdr\u00e6ga v\u00f6rnin gengur a\u00f0alega \u00fat \u00e1 a\u00f0 minka magn Kals\u00edum H\u00fddrox\u00ed\u00f0 (CH) og auka magn Kals\u00edum S\u00edlikat H\u00fddrad (CSH) \u00ed steypunni.
\u00deetta gerist me\u00f0 kristalframlei\u00f0slu \u00fear sem vatni\u00f0 \u00fer\u00fdstist inn \u00ed steypuna.
Kristallarnir ra\u00f0ast upp \u00ed blautu r\u00fdminu og n\u00e1 loks a\u00f0 \u00fe\u00e9tta \u00fea\u00f0 \u00feannig a\u00f0 vatni\u00f0 kemst ekki lengur a\u00f0.
Kristallarnir eru \u00f3uppleysanlegir og ver\u00f0a einfaldlega hluti af steypunni.
Ef n\u00fdjar sprungur myndast e\u00f0a vatni\u00f0 kemst inn \u00e1 annan h\u00e1tt fer kristalframlei\u00f0slan af sta\u00f0 a\u00f0 n\u00fdju og \u00fe\u00e9ttir.
\u00deessi kristalvirkni gerir \u00fea\u00f0 a\u00f0 verkum a\u00f0 steypan \u00feolir miki\u00f0 vatns\u00e1lag.
Efni me\u00f0 \u00feessari kristalvirkni eru skilgreind PRAH hj\u00e1 ACI.<\/p>\n\u00dear sem ACI segir ekki hva\u00f0a efni standast PRAH heldur einungis hva\u00f0 \u00fearf til a\u00f0 f\u00e1 \u00fe\u00e1 skilgreiningu hefur KRYSTALINE l\u00e1ti\u00f0 gera ranns\u00f3knir sem s\u00fdna svo ekki s\u00e9 um villst a\u00f0 efni\u00f0 KRYSTALINE Add1 fellur \u00e1 \u00f6llum svi\u00f0um undir skilgreininguna PRAH hj\u00e1 ACI.<\/p>\n
[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=“1″ admin_label=“About“ _builder_version=“4.18.0″ _module_preset=“default“ custom_padding=“0px||0px||true|false“ locked=“off“ collapsed=“on“ global_colors_info=“{}“][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"
Vatnsheld steinsteypa me\u00f0 kristalt\u00e6kni Kristal sj\u00e1lf\u00fe\u00e9ttandi steypa me\u00f0 C-S-H virkni. Steypan ver\u00f0ur b\u00e6\u00f0i \u00fe\u00e9ttari og sterkari!!B\u00edlast\u00e6\u00f0aplata \u00ed Hamraborg me\u00f0h\u00f6ndlu\u00f0 me\u00f0 Kristaline 1.Sumari\u00f0 2025 var 3.200 m2 b\u00edlast\u00e6\u00f0aplata \u00ed Hamraborg me\u00f0h\u00f6ndlu\u00f0 me\u00f0 Kristaline1.H\u00e6gt er a\u00f0 lesa meira um framkv\u00e6mdina og sko\u00f0a lj\u00f3smyndir h\u00e9r.Straumhv\u00f6rf \u00ed steypuframlei\u00f0slu. Kristal sj\u00e1lf\u00fe\u00e9ttandi steypa me\u00f0 C-S-H virkni Steypan ver\u00f0ur b\u00e6\u00f0i \u00fe\u00e9ttari og […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-35","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/pages\/35","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/comments?post=35"}],"version-history":[{"count":28,"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/pages\/35\/revisions"}],"predecessor-version":[{"id":304,"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/pages\/35\/revisions\/304"}],"wp:attachment":[{"href":"https:\/\/kristalsteypa.is\/index.php\/wp-json\/wp\/v2\/media?parent=35"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}