Kunzwisisa Concrete Admixtures - Concrete admixtures inyaya yakaoma asi zvakakosha kuti unzwisise izvo zvinosanganiswa zviripo uye zvavanoita.
Admixtures ndizvo zvinongedzo mukongiri izvo zvisiri izvo zve hydraulic simentitious zvinhu, mvura, aggregates kana fiber reinforcement iyo inoshandiswa sezvimiro zvemusanganiswa wecementitious kugadzirisa ayo achangobva kusanganiswa, kuseta kana kuomeswa zvivakwa uye izvo zvinowedzerwa kune batch pamberi kana panguva. kusanganisa.
Mvura-inoderedza misanganiswa inovandudza kongiri yepurasitiki (yakanyorova) uye yakaomeswa zvivakwa, nepo seti-inodzora admixtures inoshandiswa mukongiri inoiswa uye inopedzwa mune imwe kunze kwekudziya kwakanyanya.Ose ari maviri, kana akashandiswa zvakakodzera, anobatsira kutsika dzakanaka dzekugadzira.

Muindasitiri yekuvaka yemazuva ano, pazasi pane anonyanya kushandiswa kongiri admixtures.
●Mvura inoderedza kongiri yakasanganiswa
● Superplasticing kongiri admixtures
● Set Retarding kongiri admixtures
● Kuwedzera kongiri admixtures
● Air-entraining kongiri admixtures
●Water Resisting kongiri admixtures
●Madhaka akarembera, akagadzirira kushandisa
●Sprayed Concrete admixtures
● Corrosion inhibiting kongiri admixtures
● Foamed Concrete admixtures

Mvura inoderedza kongiri yakasanganiswa
Mvura-inoderedza misanganiswa zvinhu zvinonyungudika nemvura, izvo zvinoderedza huwandu hwemvura hunodiwa kuti uwane kushanda kwakapihwa pasina kukanganisa mhepo yemukati kana kurapa kwekongiri.Vanoita mabasa matatu:
● Wedzera simba uye chiyero chekuwana simba.
● Upfumi mune musanganiswa dhizaini uye yakaderedzwa kabhoni tsoka.
●Kuwedzera kushanda.

Superplasticing kongiri admixtures
Yakakwira mhando yemvura yekudzikisa musanganiswa inodaidzwa kuti Superplasticing admixtures inogadzirwa, inonyungudika mvura makemikari makemikari, kazhinji mapolymers, ayo anoderedza zvakanyanya huwandu hwemvura inodiwa kuti uwane kuenderana kwakapihwa mukongiri yepurasitiki.
Vanoderedza zvinyorwa zvemvura pasina kuderedza simba rekushanda kwepamusoro zvinodiwa.Vanovandudzawo kusimba.
Mvura yakakwira inoderedza misanganiswa inoshanda nenzira yakafanana kune 'Normal Water Reducing Admixtures, asi ine simba zvakanyanya mukuparadzira simende chiito uye inogona kushandiswa padanho repamusoro pasina mhedzisiro isingadiwe senge kupinza mhepo kana kunonoka kweseti.

Seta retarding kongiri admixtures
Set retarding admixtures makemikari anonyungudika nemvura anonotsa kuseta simende.Ivo havaite plasticise zvakanyanya uye vane zvishoma kana kusave nemhedzisiro pakuda kwemvura kana zvimwe zvinhu zvekongiri.
Set kudzoreredza-kuderedza mvura admixtures kwete chete kunonoka kuseta simende asiwo kuwedzera kwekutanga kushanda nekuisa plastiki kongiri kana kuderedza kudiwa kwayo kwemvura.Mazhinji ezvokutengeserana anowanikwa retarding admixtures ndeemhando iyi.
Kudzoreredza kudzikisa-kudzikisa mvura uye kudzoreredza yakakwira mhando dzemvura dzinoderedza dzinoshandiswa ku:
● Kunonoka kuisa nguva yekongiri
●Kudzivirira kuumbwa kwemajoini anotonhora
●Kuwedzera kwekutanga kushanda
● Kuvandudza kushanda kwekuchengetedza kune kongiri Kuwedzera simba rekupedzisira.
●Kugadzira hupfumi mumisanganiswa magadzirirwo
Izvo zvinofanirwa kucherechedzwa kuti nepo retarder ichidikanwa kuchengetedza slump.Kuwedzerwa kweanodzoreredza admixture pachayo hakuburitse slump kuchengetedza uye dzimwe shanduko kumusanganiswa dzingangodiwa.

Accelerating kongiri admixtures
Kuwedzera admixtures inogona kushandiswa kuwedzera chiyero chekuomesera / kuseta kwekongiri kana kuwedzera chiyero chekuomeswa uye kutanga kwesimba kuwana kubvumira kwekare kuumbwa uye kubata.Mazhinji accelerator anonyanya kuwana imwe pane ese maviri aya mabasa.
Maaccelerator anonyanya kushanda pakupisa kwakaderera.Set accelerators inzira inoshanda kwazvo yekudzora nguva yekumisikidzwa kwemakonkrete akadaro, kunyangwe ayo ane simende inotsiva.
Accelerators anoshandiswawo kudzikisa njodzi yekukuvadzwa nechando kana uchinge uchitonhora mumamiriro ekunze uye kubvumira kubviswa kwekutanga kwefomu basa asi zvinofanirwa kucherechedzwa kuti haisi anti-chando.Zviso zvakafumuka zvekongiri yakarohwa zvinofanirwa kuchengetedzwa uye kunyatsorapwa.
Pakupisa kwakajairika, nzira iri nani yekusimudzira simba rekutanga kushandisa mvura inodzikisira yakakwira.
Kudzikisira kwakakosha (kupfuura 15%) muyero yesimende yemvura inogona kudarika kaviri kumanikidza simba pazera risingasviki maawa makumi maviri nemana.Accelerators inogona kushandiswa pamwe chete ne superplasticisers (<0.35 w / c ratio) apo simba rezera rekutanga rinodiwa.Kunyanya pakudziya kwakadzika.Kana zvichidikanwa, kushandiswa kwemaaccelerator kunogona kusanganiswa neakakwira renji mvura inodzikisira kuti iwedzere kusimudzira kusimudzira kwesimba mune zvese zvakaderera & zvakajairika tembiricha.
Zvimwe zvikumbiro zvekumhanyisa mamixtures zvinosanganisira kukurumidza kugadzirisa kongiri uye mubasa rekudzivirira gungwa kuve nechokwadi chekuomesa kongiri munzvimbo yemvura.

Air-entraining kongiri admixtures
Mhepo Entraining admixtures makemikari anoshanda ari pamusoro anoita kuti mabhuru madiki akagadzikana emhepo aumbe zvakafanana kuburikidza nemusanganiswa wekongiri.Mafuro acho kazhinji ari pasi pe 1 mm dhayamita nehupamhi hunenge huri pasi pe0.3 mm.
Zvakanakira kupinza mweya mukongiri zvinosanganisira:
●Kuwedzera kupikisa kuita kwechando uye kunyunguduka
● Kuwedzera kubatana kunokonzera kuderera kweropa uye kusanganisa kuparadzaniswa.
● Kuvandudzwa kwekugadzirisa mumisanganiswa yakaderera yekushanda.
●Inopa kugadzikana kune extruded kongiri
● Inopa kubatana kwakavandudzwa uye kubata zvivakwa kune madhaka ekurara.
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Mvura inopikisa kongiri admixtures
Misanganiswa inodzivirira mvura inowanzonzi 'kuvharira mvura' misanganiswa uye inogona kunzi permeability reduction' misanganiswa.Basa ravo guru nderokudzikisa kana kunyura kwepamusoro mukongiri uye / kana nzira yemvura kuburikidza nekongiri yakaoma.Kuti uite izvi, zvigadzirwa zvakawanda zvinoshanda mune imwe kana kupfuura yeiyi nzira dzinotevera:
● Kuderedza ukuru, nhamba uye kuenderera mberi kwe capillary pore structure
●Kuvharira chimiro che capillary pore
●Kuisa macapillaries nehydrophobic material kudzivirira kudhonzwa kwemvura nekusveta/kusveta kwecapillary.
Iyi 'yekudzivirira mvura' yakasanganiswa inoderedza kunyura uye kupera kwemvura nekuita pane capillary chimiro chesimende paste.Havazoderedze zvakanyanya kupinda kwemvura kuburikidza nekutsemuka kana kuburikidza nekongiri isina kunyatso kuumbwa zvinova zviviri zvezvikonzero zvinowanzoitika zvekubuda kwemvura mumakongiri zvimiro.
Mvura inoramba kusanganisa yakaratidzirwa kuderedza njodzi yekuora kwesimbi yekusimbisa mukongiri pasi penzvimbo dzine hutsinye asi izvi zvinoenderana nemhando dzakakodzera dzemusanganiswa kana musanganiswa wemhando dziri kushandiswa.
Mvura inoramba misanganiswa ine zvimwe zvinoshandiswa zvinosanganisira kudzikiswa kweefflorescence, inogona kuve dambudziko mune zvimwe precast zvinhu.

Yakarembera, yakagadzirira kushandisa dhaka
Madhiri Akarebeswa Akagadzirira-kushandisa akavakirwa pamusanganiswa wedhaka plasticiser (air entraining/plasticising admixture) uye dhaka retarder.Musanganiswa uyu unogadziridzwa kuti upe kuchengetedzwa kwakawedzerwa kwekusagadzikana, kazhinji kwemaawa makumi matatu nematanhatu.Nekudaro, kana iyo dhaka yakaiswa pakati peanonyudza masonry mayunitsi, kuseta kunokwidziridzwa uye dhaka rinogara zvakajairika.
Izvi zvivakwa zvinofambisa kupihwa kwedhaka kunzvimbo dzekuvaka nevakagadzirira-musanganiswa vatengesi uye zvinopa zvinotevera mabhenefiti ekutanga:
● Hunhu Hwakavimbiswa kutonga kwekusanganiswa kwezvikamu
● Kuenderana uye kugadzikana kwemhepo
● Kusagadzikana (kushanda) kuchengetedza (kusvika maawa 72.)
●Kuwedzera kubudirira
● Inobvisa kudiwa kwevasanganiswa uye kuchengetedza zvinhu panzvimbo
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Zvirambidzo pakushandiswa kwematehwe akarebesa akagadzirira-kushandiswa kweasina kunyura masonry uye kupa, inotsanangurwa muzvikamu 4.6 uye 4.7, inofanira kucherechedzwa.

Akapfapfaidzwa kongiri admixtures
Kongiri yakapfapfaidzwa inopomba kusvika pakushandiswa uye yozofambiswa nepneumatically panzvimbo pakakwirira.Zvishandiso zvinogara zvakamira kana pamusoro uye izvi zvinoda kuomeswa nekukurumidza kana kudonha kana kurasikirwa nekongiri inobvisa kubva kune substrate pasi pehuremu hwayo inofanirwa kudzivirirwa.Mukuisa tunneling, kongiri yakapfapfaidzwa inowanzo shandiswa kupa rubatsiro rwekutanga uye izvi zvinoda kuvandudzwa kwesimba rekutanga pamwe nekuomesa nekukurumidza.
Admixtures inogona kushandiswa mukongiri nyowani kupa kugadzikana uye hydration control isati yapfapfaidza.Zvino nekuwedzera kweanomhanyisa musanganiswa pane yekupfapfaidza nozzle, iyo rheology uye kuseta kwekongiri zvinodzorwa kuti ive nechokwadi chekuvaka chinogutsa pane substrate nehushoma hwezvinhu zvisina kusungwa zvichikonzera rebound.
Pane maitiro maviri:
● Nzira yakaoma apo mvura inosanganiswa uye accelerator inowedzerwa kune yakaoma dhaka musanganiswa pa
●pfapfaidza muromo.
● Iyo yekunyorova iyo iyo dhaka kana kongiri inosanganiswa ne stabilizer / retarder isati yasvika
● kupomba pamuromo panowedzerwa accelerator.

Iyo nzira yekunyorova yave nzira yesarudzo munguva pfupi yapfuura sezvo ichideredza kuburitswa kweguruva, huwandu hwezvinhu zvinodzoserwa uye inopa inodzorwa uye inowirirana kongiri.

Corrosion inhibiting kongiri admixtures
Kunzwisisa Concrete Admixtures - Corrosion inhibiting admixtures inowedzera iyo passivation mamiriro ekusimbisa uye mamwe simbi yakamisikidzwa mune kongiri zvimiro.Izvi zvinogona kumisa maitiro ekuora kwenguva yakareba apo passivation ingadai yakarasika semhedzisiro yechloride ingress kana carbonation.
Corrosion inhibiting admixtures yakawedzerwa kune kongiri panguva yekugadzirwa inonzi "integral" corrosion inhibitors.Migratory corrosion inhibitors iripo zvakare inogona kuiswa kune yakaomeswa kongiri asi aya haasi admixtures.
Chikonzero chinonyanya kukosha chekusimbisa corrosion ndeye pitting corrosion nekuda kwekupinda kwe chloride ions kuburikidza nekongiri inovhara uye kupararira kunotevera kusvika kune yakavharidzirwa simbi.Kunyange zvazvo corrosion inhibitors ichikwanisa kusimudza chikumbaridzo chekuora kwesimbi, haisi imwe nzira yekugadzira kongiri isingapindiki, yakasimba iyo inodzikamisa kupararira kwechloride.
Carbonation yekongiri inotungamira mukudzikira kwe alkalinity yakatenderedza simbi uye izvi zvinokonzeresa kurasikirwa kwepasitiation izvo zvinogona zvakare kuguma ne general reinforcement corrosion.Corrosion inhibitors inogona kubatsira kudzivirira iyi nzira yekurwisa.
Corrosion inhibitors inogona kuderedza zvakanyanya mari yekuchengetedza yeakasimbiswa kongiri zvimiro mukati mehupenyu hwesevhisi hwemakore makumi matatu kusvika makumi mana.Zvimiro zvakanyanya panjodzi ndezviya zvakafumurwa kunharaunda yegungwa kana mamwe mamiriro apo chloride kupinda kwekongiri kungangoita.Zvimiro zvakadaro zvinosanganisira mabhiriji, tunnel, zvidyarwa zveindasitiri, jetties, wharves, moring dolphin uye madziro egungwa.Migwagwa mikuru inogona kukanganiswa nekushandiswa kwemunyu wekubvisa icing mumwedzi yechando, sezvinongoita mapaki emota ane nhurikidzwa dzakawanda apo mvura ine munyu inodonhedza mota uye ichipupuma pafloor slab.

Foamed kongiri admixtures
Kunzwisisa Concrete Admixtures - Foamed Concrete Admixtures ma surfactants anonatswa nemvura asati apfuudza mhinduro kuburikidza nefoam jenareta iyo inoburitsa yakagadzikana pre foam, yakafanana nekuveura cream.Iri pre foam rinobva rasanganiswa kuita dhaka resimende muhuwandu hunoburitsa hunyoro hunodiwa mudhaka rine furo (rinowanzonzi kongiri ine furo).
Low Density Zadza Admixtures zvakare ma surfactants asi anowedzerwa zvakananga mujecha rakapfuma, yakaderera simende yemukati kongiri kuti ipe gumi neshanu kusvika 25% mweya.Iyi yakaderera density kuzadza;inodaidzwa zvakare kuti Controlled Low Strength Material (CLSM), ine yakanaka kuyerera zvivakwa uye inowana kushandiswa mumigero yekuzadza maapplication uye mamwe akafanana akaderera simba void kuzadza mabasa.

Kuti uwane rumwe ruzivo uye kukumbira quotation, ndapota inzwa wakasununguka kubata timu yedu yekutengesa.