Litaba - Global Early Matla Additives Market Trend 2023-2028 What is Early Strength Additives?by Newsmis-asia
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Tonakholo ea Sweden Anders Anderson o boletse matsatsing a 'maloa a fetileng hore Sweden e buisana le Turkey ka ho ikopanya le NATO mme e lebelletse ho matlafatsa tšebelisano-'moho le Turkey ts'ireletso le bokhukhuni.
Anderson o ile a tšoara seboka sa boralitaba se kopaneng le Mopresidente oa Lekhotla la Europe, Michelle Michel, Stockholm ka letsatsi leo.Anderson o ile a re Sweden e buisana le Turkey mabapi le ho kena selekaneng mme e labalabela ho matlafatsa likamano tsa linaha tse peli le Turkey, ho kenyeletsoa tšebelisano-mmoho mafapheng a ts'ireletso le k'hamera. - bokhukhuni.O itse Sweden e tla ithuta tse ling tsa litaba tse hlahisitsoeng ke Turkey.
Mong Michel o bolelletse seboka sa boralitaba hore o lumela hore mmuso oa Sweden o nka mehato e nepahetseng mme o nka mehato e hlokahalang ho fihlela tharollo.
Sweden le Finland li rometse likopo tsa tsona ka molao ho Mongoli-Kakaretso oa NATO Jens Stoltenberg. Tlas'a tumellano, NATO e tlameha ho amohela litho tse ncha ka "tumello e le 'ngoe" ea litho tsa 30.
Letona la Litaba tsa Kantle ho Turkey Mevrut Cavusoglu o itse Turkey e tla lumela feela ho sebetsa le Sweden haeba Sweden le Finland li ka fihlela tumellano e ngotsoeng ea ho emisa ho tšehetsa bokhukhuni le ho tlosa lithibelo mabapi le thomello ea thepa ea ts'ireletso Turkey, mecha ea litaba ea Turkey e tlaleha. NATO e buisana le Finland.
Ka lebaka la ho angoa ke maemo a sa tsitsang a machaba, phepelo le theko ea li-agent tsa machaba tse fanang ka matla a pele li ntse li sa tsitsa.
Moemeli oa matla a pele ke motsoako o potlakisang tsoelo-pele ea pele ea matla a konkreite 'me ha o na phello e hlakileng ho matla a morao-rao.Moemeli oa matla a pele a ka potlakisa ts'ebetso e thata ea konkreite ka mocheso o tloaelehileng le o tlaase oa mocheso (o seng tlase ho -5 ℃) , 'me e sebelisoa mesebetsing ea kaho ea mariha le ea tokiso ea tšohanyetso.
Early matla moemeli e bua ka admixture e ka potlakisa ntshetsopele ya konkreite pele matla.Mokhoa o ka sehloohong oa ts'ebetso ke ho potlakisa sekhahla sa hydration ea samente le ho potlakisa crystallization ea pele le pula ea lihlahisoa tsa hydration.Mosebetsi o ka sehloohong ke ho khutsufatsa kaho ea konkreite. le nako ea tlhokomelo, ho potlakisa tsoelo-pele ea kaho, le ho ntlafatsa sekhahla sa phetoho ea liforomo.
1. Moemeli oa matla a pele a loketse bakeng sa merero ea konkreite e entsoeng ka mouoane le ea konkreite e nang le litlhoko tsa pele tsa matla bakeng sa kaho ka mocheso oa kamore, mocheso o tlaase le mocheso o fokolang o seng tlase ho -5 ° C. Moemeli oa matla oa pele ha oa lokela ho sebelisoa ka holimo. tikoloho ea mocheso.
2. Lintho tsa lik'hemik'hale tse kotsi 'meleng oa motho kapa tse silafatsang tikoloho ka mor'a ho kopanya konkreite li ke ke tsa sebelisoa e le lisebelisoa tsa matla a pele.Ho thibetsoe ka thata ho sebelisa lisebelisoa tsa matla tsa pele tse nang le matsoai a chromium a hexavalent, nitrites le likarolo tse ling tse kotsi boenjiniere ba metsi a nooang. le boenjiniere ba ho kopana le lijo.Ammonium nitrate e ke ke ea sebelisoa liofising, matlong a bolulo le mererong e meng ea kaho.
Lisebelisoa tsa pele tsa matla li kenyelletsa matsoai a sa tloaelehang (matsoai a chlorine, phosphates) le liminerale tsa organic, hammoho le metsoako ea organic-inorganic.
Chloride letsoai pele matla agents haholo-holo akarelletsa calcium chloride, potassium chloride, aluminium chloride le ferric chloride, har'a tsona calcium chloride ke e sebelisoang ka ho fetisisa.Clcium chloride ke phofo e tšoeu, 'me tekanyo ea eona e loketseng ke 0.5% ho 1.0% ea samente ea samente. boleng, bo ka eketsang matla a 3d a konkreite ka 50% ho ea ho 10% le matla a 7d ka 20% ho 40%.Ka nako e ts'oanang, e ka fokotsa ntlha ea leqhoa ea metsi ka konkreite le ho thibela leqhoa la pele la konkreite.
Phoso e kholo ka ho fetisisa ea ho sebelisa calcium chloride e le sesebelisoa sa matla sa pele, se nang le li-Cl-ions, ke hore e tla senya tšepe le ho etsa hore konkreite e phatlohe. (NaNO2) hangata e sebelisoa hammoho.
Mahlaseli a matla a pele a sulfate haholo-holo a kenyelletsa sodium sulfate, calcium thiosulfate, aluminium sulfate, potassium aluminium sulfate, le sodium sulfate e sebelisoa ho feta.Sodium sulfate ke ntho e phofo e tšoeu. Ka kakaretso, tekanyo ea motsoako ke 0.5% ~ 2.0%. Ha tekanyo ea motsoako ke 1% ~ 1.5%, nako ea ho fihla ho 70% ea matla a moralo oa konkreite e ka khutsufatsoa ka hoo e ka bang halofo.
Sodium sulfate ha e na phello e senyang holim'a mekoallo ea tšepe 'me e loketse konkreite moo letsoai la chloride le sa lumelloeng.Leha ho le joalo, ka lebaka la ho sebelisana ha eona le khalsiamo hydroxide ho hlahisa matla a alkali NaOH, e le ho thibela ho itšoara ha li-alkali aggregate, sodium sulfate e tiile ka thata. e thibetsoe bakeng sa konkreite e nang le likarolo tse sebetsang. Sebaka sa konkreite se "qhotse".
Li-amine tsa tlhaho tse matlafatsang matla a pele li kenyelletsa triethanolamine, triisopropanolamine, joalo-joalo, tseo har'a tsona triethanolamine e leng eona e molemo ka ho fetisisa ea matla a pele.
Triethanolamine ke mokelikeli o se nang 'mala kapa o mosehla o mosehla o nang le oli e alkaline 'me o qhibiliha habonolo metsing. Ho eketsa 0.02% ho 0.05% ea boleng ba samente ho ka ntlafatsa matla a pele a konkreite.Triethanolamine e na le phello e fokolang ea konkreite, e ngata haholo e tla baka tšitiso e tebileng. le ho fokotseha ha matla a konkreite, kahoo litekanyetso li lokela ho laoloa ka thata.
TRUNNANO ke morekisi ea ka tšeptjoang oa konkreite ea nang le boiphihlelo ba lilemo tse fetang 12 molemong oa kaho ea matla a nano le nts'etsopele ea nanotechnology.
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Matona a EU a kantle ho naha a kopana Brussels.Seboka se ile sa hloleha ho lumellana ka letoto la botšelela la likotlo, ho kenyeletsoa thibelo ea oli Russia, ka lebaka la khanyetso e tsoang Hungary.
Moemeli ea phahameng oa EU bakeng sa litaba tsa kantle ho naha le leano la ts'ireletso o boletse sebokeng sa boralitaba ka mor'a kopano hore seboka se hlolehile ho fihlela tumellano ea ho amoheloa ha ho qetela ha likotlo tsa botšelela, 'me baemeli ba sa feleng ba linaha tseo e leng litho ho EU ba tla ntšetsa pele lipuisano. Matona a kantle ho naha a ile a boela a leka ho fihlela tumellano mabapi le thibelo ea oli. e ile ea tobana le mathata a tšoanang.O itse boemo ba Hungary bo theiloe holim’a maikutlo a moruo ho e-na le a lipolotiki.
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E anngoe ke lintlha tsa geopolitical, theko ea moemeli oa matla a pele e lebelletsoe ho nyoloha matsatsing a 'maloa a tlang.
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Nako ea poso: Jul-20-2022