Indlela i-Concrete Additives eyichaphazela ngayo iNkqubo yokuNyanga

Indlela Izongezo zekhonkrithi eziyichaphazela ngayo iNkqubo yokuPhilisa

(Indlela i-Concrete Additives eyichaphazela ngayo iNkqubo yokuNyanga)

Izithako zekhonkrithi zidlala umsebenzi omkhulu kwindlela yokunyanga ikhonkrithi. Ezi zixhobo ezizodwa ziguqula indlela yamanzi, isamente, kunye nee-aggregates zidibanisa ngexesha lesigaba sokumisela. Ngaphandle kwabo, imisebenzi emininzi yokwakha yanamhlanje inokuthatha ixesha elide, ndikubeke umva ngakumbi, okanye ukungazalisekisi nje iikhrayitheriya zokusebenza kakuhle. Ukuqaphela ngokuthe ngqo indlela izithako eziphathekayo ezichaphazela ngayo inkqubo yonyango encedisa abakhi, abayili, kwaye neeDIYers zenza ukhetho olukrelekrele kwindawo yomsebenzi.

Ziziphi izithako zekhonkrithi kwaye zinxulumana njani nokunyanga? .

Izongezo zekhonkrithi zizinto ezongeziweyo kwiingxube zekhonkrithi ngaphandle kwamacandelo asisiseko– isamente, amanzi, isanti, kunye negrabile. Zisenokuba ngumgubo okanye ulwelo, kwaye bangena kumxube phambi kokugalela. Umsebenzi wabo ophambili kukulungelelanisa indlela ikhonkrithi eziphatha ngayo ngelixa imanzi kwaye kanye nendlela ebeka ngayo ngokuthe ngcembe. Ukunyanga yinkqubo yeekhemikhali apho ikhonkrithi iphendula ngamanzi ukwenza isakhelo esiqinileyo. Izongezo zichaphazela ngqo le mpendulo. Abanye bayayixabisa. Abanye bayayicothisa. Abambalwa bade bancede ikhonkrithi ihlale ifumile ixesha elide, eyona nto ingundoqo kuphuhliso lwamandla olufanelekileyo. Ngokusisiseko, izithako eziphathekayo zibumba izinga, umgangatho ophezulu, kunye nobude benkqubo yokuphilisa.

Kutheni iiKontraka Zisebenzisa izongezo zeConcrete ngalo lonke ixesha lokuPhilisa? .

Iikontraka zokwakha zisebenzisa izongezo zekhonkrithi kuba ikhonkrithi elula ihlala inganelanga kwiimfuno zehlabathi. Imeko yemozulu, amaxesha eprojekthi, kunye neemfuno zesakhiwo zonke ziphuhlisa imingeni. Njengomzekelo, kwiindawo ezishushu, ikhonkrithi inokoma ngokukhawuleza kwaye iqhekeke. Kwimozulu ebandayo, ayikwazanga ukufumana amandla ngokukhawuleza okwaneleyo. Izithako zixazulula ezi ngxaki. Abathinteli babambe isiseko ukuze abasebenzi babe nexesha elininzi lokugqibezela umphezulu. Ii-accelerators zincedisa ikhonkrithi ngokukhawuleza ebusika. Ngokunciphisa umlinganiselo wamanzi ukuya kwisamente, superplasticizers igalelo kumandla oxinzelelo oluphezulu kwikhonkrithi eqinileyo. Abameli bomoya-moya bongeza amaqamza amancinci akhusela ngokuchasene nomonakalo owenziwe ngumkhenkce. Zonke ezi zibonelelo ziqhagamshela umva kulawulo olungcono kakhulu lokunyanga– ukwenza izikhokelo zikhuseleke ngakumbi, ixesha elide, kunye nokuthembeka ngakumbi ekwakheni.

Ingaba iintlobo ezohlukeneyo zezongezo zekhonkrithi ziluchaphazela njani ixesha lokuPhilisa? .

Izongezo ezahlukeneyo zitshintsha ixesha lokuphatha ngeendlela ezithile. Izinciphisi zamanzi zanciphisa ubungakanani bokuxuba amanzi afunekayo, ezisa ikhonkrithi eshinyeneyo kwaye ngokukhawuleza kakhulu ukufumana amandla kwangethuba. Ii-Superplasticizers zenza oku ngokufanelekileyo ngakumbi ngaphandle kokulimaza ukusebenza. Emva koko kukho ii-retarders ezimiselweyo, isetyenziswa rhoqo kwiindawo zokubeka ezinkulu okanye ubushushu, ebamba umva useto lokuqala ukuze ikhonkrithi ihlale inokugalelwa ixesha elide. Kwelinye icala, i-accelerators njenge-calcium chloride (okanye iinketho non-chloride) qalisa impendulo phakathi kwesamente namanzi, luncedo xa ufuna iifom zisuswe ngokukhawuleza. Iikhompawundi zokunyanga ezigcina ukufuma ziphuhlisa ifilim ngaphandle ukuyeka amanzi ekubalekeni phambi kwexesha.. Uhlobo ngalunye lujolise kwisigaba esahlukileyo okanye umcimbi kwinkqubo yokunyanga, ukunika ababoneleli ngeenkonzo izixhobo ezichanekileyo zokuhambelana neengxaki zabo.

Ukusetyenziswa kweZithako zekhonkrithi kwiiProjekthi zoKwakha zeHlabathi langempela .

Uya kufumana izongezo ezibambekayo kuwo wonke umsebenzi obalulekileyo wokwakha namhlanje. Izakhiwo eziphakamileyo zisebenzisa i-superplasticizers ukumpompa ikhonkrithi amawaka eenyawo ngaphandle kokuphulukana nokuhamba. Iibhulorho ezikumaphondo asemantla zixhomekeke kwizinto ezifaka umoya ukuze zikwazi ukumelana namaxesha obusika anzima. Izikhululo zeenqwelomoya zesikhululo seenqwelomoya zifuna izithako ezomelele ngokukhawuleza ukuze ziphinde zivuleke ngokukhawuleza emva kokulungiswa. Kwaneendlela zokuhamba kunye neendlela zokuhamba ziyazuza– iiretarders zinceda ukuvelisa iingubo ezigudileyo ngokunciphisa ukuqokelelwa kwendawo ephezulu. Amadama amakhulu asebenzisa amanzi amakhulu apho ukwakheka okufudumeleyo ngaphakathi kunokudala iintanda; apha, retarders kwaye fly uthuthu (isongezelelo se-pozzolanic) khathalela inqanaba lobushushu kwaye wandise ukuphilisa ngononophelo. Isongezo esilungileyo sijika ikhonkrithi eqhelekileyo ibe lukhetho olulungelelanisiweyo kuwo wonke umsebenzi woxinzelelo kunye noxinzelelo, imozulu, kunye nesiqhelo.

Imibuzo Ebuzwa Rhoqo Ngokuphathelele kwizongezo zekhonkrithi kunye nokucokisa ukuNyangwa .

Ngaba ndingakuphepha izongezo ukuba ndenza umsebenzi omncinci weyadi?
Kwezinye iimeko kunjalo, kodwa nemisebenzi emincinci idibana neengxaki zemozulu okanye ixesha. Isinciphisi samanzi esisemgangathweni okanye isilawuli sokuseta sisenokunceda ukuhlala ucocekile kwiindawo ezicatshulweyo okanye kwiindawo ezisengozini.

Yenza izithako zenza buthathaka ikhonkrithi ngokuthe ngcembe?
Akunjalo xa isetyenziswe ngokufanelekileyo. Ngokwenene, uninzi lonyusa ukuqina kwexesha elide. Iingxaki ziyenzeka nje ukuba usebenzisa kakhulu okanye udibanisa iintlobo ezingafanelekanga.

Ngaba zonke izongezo zekhonkrithi zingamanzi?
Hayi. Ezinye ziza njengomgubo, njenge-accelerators okanye umsi we-silica. Ulwelo luxhaphakile ekuxubeni lula kakhulu, ukanti umgubo usebenza kakuhle kwiinkqubo zomxube owomileyo.

Ndazi njani ukuba sesiphi isongezo emasikhethe?
Kuxhomekeke kusukelo lwakho. Ufuna amandla akhawulezayo? Jonga kwii-accelerators. Ukuqokelela ixesha lasehlotyeni lifudumele? Cinga ngabantu abahlehlayo. Jonga rhoqo imigangatho yomenzi kunye neekhowudi zengingqi.

Ngaba ndingadibanisa izithako ezininzi kunye?
Ngokuqhelekileyo ewe, kodwa uviwo ekuqaleni. Eminye imixube iphelisa enye kwenye okanye ibangele iimpendulo ebezingalindelekanga. Iiseti zovavanyo zithintela iimpazamo ezibiza kakhulu kwiwebhusayithi.

Ngaba ukusebenzisa izithako kwenza ikhonkrithi ibe nexabiso elithe chatha?
Kancinci kwangaphambili, kodwa baqhele ukonga imali xa iyonke. Kuncinci kakhulu ukusebenza, ulibaziseko olumbalwa, ukunciphisa iindleko zomsebenzi wokulungisa, kwaye ubomi obude bulingana neendleko zokuqala.

Ngaba unyango lusafuneka ukuba ndisebenzisa izongezo?

(Indlela i-Concrete Additives eyichaphazela ngayo iNkqubo yokuNyanga)

Ngokuqinisekileyo. Izongezo zixhasa unyango kodwa aziyithathi ndawo. Ukugcinwa okufanelekileyo kobumanzi kunye nolawulo lobushushu kuhlala kubalulekile– nangona izithako zingcono kakhulu kumxube.
iithegi ezishushu: umxube weconrete,izongezo eziphathekayo,superplasticizer,ikhonkrithi ekhaphukhaphu