Post Zuva:31,Oct,2022
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Concrete Admixtureyakashandiswa mukongiri kwemakore anopfuura zana sechigadzirwa. Asi kufambidzana kwakadzokera panguva dzekare, kutaura zvazviri, vanhu vakaziva kwenguva refu kushandiswa kwezvimwe zvinowedzera mukuvaka zvinhu zvekuvaka. Iyo yakasimbiswa data zvinyorwa izvo muna 1885 maEuropean atoziva kuti midzi yekuomesa, yakadai se lime uye gypsum, yakawedzerwa kune kongiri. Pakupera kwezana ramakore re19, kushandiswa kweCalcium chloride yaive kutsamwa uye kuchiri kushandiswa nhasi. Pakazosvika 1895, mvura inofamba-famba uye mapurasitiki yakanga yakawedzerwa kukongiri yekuvira kwemugwagwa, izvo zvakanyatsogadzirisa kusimba kwekongiri.
Zvigadzirwa zvemumaindasitiri zvakatanga kuonekwa muna 1910. Kana North America yakagadzirwa muUnited States kuma1930s, iyo congment pombi yakakurumidza kuomeswa nekuda kwemamiriro ekunze akatonhora. Kuti avandudze kunaka kwenzvimbo yekubatwa kongiri, "Vingwa resin" yaishandiswa kuvandudza kusimba kwekongiri. Bonde. Iyo chaiyo yesainzi yechigadzirwa ndeye "Pozzolitn" mvura yekudzora mumiririri (Pozzolitn), iyo yakabudirira kugadzirwa neEW scxptrt yeUnited States Muna 1937, United States yakaburitsa patent yekutanga yekudzora mvura mumugodhi munhoroondo. Muna 1954, iyo yekutanga batch yekuedza zviyero zveConcrete Admixtureyakagadzirwa.
Kushandiswa kwepamutemo kweConcrete AdmixtureMunyika yangu vaive kuma1950s. Panguva iyoyo, Rosin SAPONIFIFIFIFED AIL-Kupinda Mumiriri Akavandudzwa Nenyanzvi kubva kuZhizha Yokutanga Soviet Union yakaunzwa. Izvo zvakaiswa muTianjin Tanggu New Port, Wuhan YangTze Rwizi Bridge uye Fodhaing Reservoir, uye yakawana mamwe mhinduro. Gare gare, plistete concretizer uchishandisa pulp inotambudza mvura kubva kuSulfite Papermaking uye marara uchi kubva muindasitiri shuwa seyakagadzirwa zvinhu zvakashandiswa. Iko kushandiswa kweAffmient Takatangawo kubva ipapo.
Kuvandudzwa uye kushandiswa kweConcrete Admixtureane kukosha kwenguva refu. Kusimba kusimudzira uye kusimudzira kushandiswa kweConcrete Admixtureinzira yakakosha yekusimudzira kufambira mberi kwesainzi yeindasitiri yekuvaka.
Mukuvaka kwekuvaka mapurojekiti ekuvaka, kushandiswa kwezviitiko kunogona kuvandudza zvinobudirira nzvimbo yekuvaka, kufambisa kushandiswa kwemidziyo yakasiyana-siyana, kuderedza basa revashandi vakakodzera, uye vave nechokwadi chekuti chirongwa ichi. Mukuwedzera, inogona zvakare kushandiswa mune mamwe mamiriro akaomarara. Zvinobudirira kupedzisa mabasa ekuvaka mumamiriro ekunze.
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Iyo kongiri yekubvumikisa inogona kupfupisa kwazvo nguva yekuchengetedza mushure mekuvakwa kwepurojekiti, nekuita kuti fomu rekumhanya ratendeuke, uye riite kuti rive rakanyanya kusimbisa kusimbisa kwekusimbisa uye kuveura, kugadzira iyo yese project kuverenga nguva. Yakapfupikiswa kwazvo. Panguva imwe chete, kuwedzera kweConcrete AdmixtureInogona zvakare kuvandudza zvakanaka kunaka kweiyo kongiri yekongiri, uye kuvandudza simba rayo, kusimba, kuramba kwechando, uye kusakwana.
Mukuwedzera, inogona kuvandudza zvakanyanya kuderera kwekongiri kana yaoma zvakakwana uye kuyerera zvivakwa pamberi pekusimbisa. Kana iyo kongiri yekongiri inoshandiswa nemazvo mupurojekiti yekuvaka, kuyemurika hakuwanzo kuve nemhedzisiro yekuvaka kongiri, uye inoderedzawo zvinhu zvezvinhu zvakasiyana-siyana zvichishandiswa zvesainzi kushandisa kwesainzi kwesainzi. Kuderedzwa kwekushandiswa kwezvinhu zveSement-based-based hazvimbonyepedzera zviwanikwa zvemagariro, asi zvakare kunoponesa mari yekuvaka yezviitiko, uye ine zvakanaka pamatanho anotevera. Maitiro ekuomba uye ekutsvagurudza anopa nyore.
Kutumira Nguva: Oct-31-2022