Tsiku Lotumiza: 7 Marichi, 2022
M’zaka zingapo zapitazi, ntchito yomanga yakula kwambiri ndi chitukuko. Izi zapangitsa kuti pakhale kufunikira kwa zosakaniza zamakono ndi zowonjezera. Zowonjezera ndi zophatikizira za konkriti ndi zinthu zomwe zimawonjezeredwa ku konkire kuti zisinthe mawonekedwe ake akuthupi ndi mankhwala. Zigawozi zimayimira zinthu zambiri zomwe zimakhala ndi mankhwala osiyanasiyana.
Kusiyana kwakukulu pakati pa zosakaniza ndi zowonjezera ndi magawo omwe zinthuzo zimawonjezeredwa ku konkire kapena simenti. Zowonjezera zimawonjezeredwa pakupanga simenti, pomwe kuwonjezera kwa zosakaniza kumapangidwa popanga zosakaniza za konkire.
Kodi Zowonjezera Ndi Chiyani?
Zowonjezera zimawonjezedwa ku simenti panthawi yopangira kuti apititse patsogolo katundu wake. Nthawi zambiri, zopangira zopangira simenti zimaphatikizapo aluminiyamu, laimu, iron oxide, ndi silika. Pambuyo kusakaniza, zida zimatenthedwa mpaka 1500 ℃ kuti simentiyo ikwaniritse katundu wake womaliza wamankhwala.
Kodi Admixtures Ndi Chiyani?
Zosakaniza za konkire zimatha kukhala zamitundu iwiri, organic ndi inorganic mankhwala. Multifunctional admixtures ndi amene kusintha oposa thupi kapena mankhwala katundu wa konkire osakaniza. Pali mitundu yosiyanasiyana ya zosakaniza zomwe zilipo kuti zisinthe mbali zosiyanasiyana za konkriti. Admixtures akhoza kugawidwa mu:
Zosakaniza Zochepetsa Madzi
Awa ndi mankhwala omwe amagwira ntchito ngati mapulasitiki, omwe amachepetsa madzi osakanikirana ndi konkire mpaka 5% popanda kusintha kusinthasintha kwake. Zosakaniza zochepetsera madzi nthawi zambiri zimakhala zochokera ku polycyclic kapena phosphates. Mukawonjezeredwa, zosakaniza izi zimawonjezera mphamvu yopondereza ya konkire yosakaniza popanga pulasitiki. Kusakaniza kotereku kumagwiritsidwa ntchito kwambiri ndi konkire yapansi ndi msewu.
High Range Water Reducers
Awa ndi superplasticizers, makamaka polima konkire admixtures amene amachepetsa kuchuluka kwa madzi ndi 40%. Ndi zosakaniza izi, porosity ya osakaniza imachepa, motero imakulitsa mphamvu zake komanso kulimba kwake. Zosakaniza izi nthawi zambiri zimagwiritsidwa ntchito podzipangira tokha komanso kupopera konkriti.
Kupititsa patsogolo Zosakaniza
Konkire nthawi zambiri imatenga nthawi kuti isinthe kuchoka pa pulasitiki kupita kumalo olimba. Ma polyethylene glycols, ma chloride, nitrates, ndi zitsulo za fluoride nthawi zambiri amagwiritsidwa ntchito popanga mitundu iyi ya zosakaniza. Zinthu izi zitha kuwonjezeredwa kusakaniza konkriti kuti mufupikitse nthawi yomwe imatengera kulumikizana ndikukhazikitsa.
Zosakaniza za Air-Entraining
Zosakanizazi zimagwiritsidwa ntchito popanga zosakaniza za konkriti zokhala ndi mpweya. Amathandizira kuphatikizika kwa thovu la mpweya mu osakaniza konkire motero amawongolera zinthu monga kulimba ndi mphamvu posintha kuzizira kwa simenti.
Kuchedwetsa Admixtures
Mosiyana ndi ma admixtures ofulumizitsa omwe amafupikitsa kulumikizana ndi kukhazikitsa, kuchedwetsa zosakaniza kumawonjezera nthawi yomwe konkriti imatenga. Zosakaniza zotere sizisintha chiŵerengero cha simenti ya madzi koma zimagwiritsa ntchito ma oxides achitsulo ndi shuga kuti alepheretse kumanga.
Zowonjezera konkriti ndi zophatikizika pakadali pano ndiye gulu lochita bwino kwambiri lamankhwala omanga. Ku Jufu Chemtech, timagwira ntchito limodzi ndi makampani opangira zinthu m'deralo komanso mayiko osiyanasiyana kuti atsimikizire kuti makasitomala athu amapeza zinthu zabwino kwambiri pantchito yawo yomanga. Pitani patsamba lathu kuti muwone ndikugula zowonjezera komanso zodalirika za konkriti padziko lonse lapansi.(https://www.jufuchemtech.com/)
Nthawi yotumiza: Mar-07-2022
