Izongezo zeConcrete eziKhala | Ii-Agents eziFoaming eziSebenza ngokuPhezulu kwiSellula Concrete
Ikhonkrithi sisixhobo sokwakha esithandwayo nesisetyenziswa kakhulu kwiiprojekthi zokwakha ezahlukahlukeneyo ehlabathini lonke. Ngumxube wesamente, amanzi, isanti, kunye nezinye izinto ezibhakwayo ukuze zenze isakhiwo esiqinileyo kunye nesigxina. Nangona kunjalo, kukho iimeko ezithile apho ikhonkrithi idinga izongezo.
(kweliphi ixesha iTempile efuna izongezo)
Enye into ebalulekileyo echaphazela amandla kunye nokuqina kwekhonkrithi yinqanaba layo le-hydration. Njengonyango oluphathekayo, ifumana ukusabela kweekhemikhali ezibangela ukuba ibe ne-hydrated ngakumbi. Le nkqubo inokucothisa ixesha lokunyanga kwaye yandise umngcipheko wokuqhekeka okanye ukwahlula ngexesha lokuvezwa kobushushu obuphezulu.. Ukuthintela oku, abavelisi bekhonkrithi bahlala besongeza ii-agent ezibophelela ukufuma ezifana ne-silicates okanye i-kaolin ukuphucula amanqanaba e-hydration kunye nokwandisa amandla ayo kunye nokuqina..
Enye into echaphazela iipropati zekhonkrithi luhlobo lwayo lwe-aggregate. Iindidi ezahlukeneyo ze-aggregates zineempawu ezahlukeneyo zomzimba kunye noomatshini, kuquka ukuxinana, amandla oxinzelelo, kunye ne-porosity. Umzekelo,i-aggregate enomxhuzulane ophezulu othile iya kudala i-aggregate eyomeleleyo, kodwa kusenokuba lula ukuzinza ekuhambeni kwexesha. Ngoko ke, kubalulekile kwiikontraka ezibambekayo ukuba zikhethe iindidi ezifanelekileyo ezihlangeneyo ezihlangabezana neemfuno zabo zeprojekthi.
Ukongeza kwezi zinto, Iqondo lobushushu lidlala indima ebalulekileyo ekumiseleni elona hydration liphezulu kunye nokwakheka komdibaniso wekhonkrithi. Kubushushu obungaphantsi kwama-70°C (158°F), umthamo wamanzi wekhonkrithi ukhula ngokukhawuleza, ukwenza ukuba i-hydrated encinci kwaye ifikeleleke ekuqhekekeni. Kwelinye icala, kumaqondo obushushu aphezulu, izinga lokugalela amanzi liyancipha, ukuvumela kunye nokwandisa amandla onke kunye nokuqina kwekhonkrithi.
Njengokuba, ikhonkrithi ivavanywa ngokweMigangatho yaseBritane (BS) 476, ebeka izikhokelo zenqanaba le-hydration yekhonkrithi. Inqanaba le-hydration elicetyiswayo liyahluka ngokuxhomekeke kuhlobo oludibeneyo, kodwa ngokubanzi iwela phakathi 25% kwaye 35%. Ikhonkrithi ene-hydrated kakhulu iya kwanda ngokugqithisileyo ngexesha lemozulu ebanda kakhulu, ngelixa ukoma kakhulu kuya kunqanda kakhulu, okukhokelela kwiintanda kunye nokuqhekeka.
(kweliphi ixesha iTempile efuna izongezo)
Kuko konke, iqondo lobushushu apho ikhonkrithi idinga izongezo yinto ebalulekileyo ekufuneka iqwalaselwe xa kuyilwa kunye nezakhiwo eziphathekayo. Ngokukhetha ngononophelo izongezo ezifanelekileyo kunye nokukhetha iintlobo ezifanelekileyo ezidibeneyo, iikontraka zingaqinisekisa ukuba yomelele, yomelele, kunye nokumelana noxinzelelo lokusingqongileyo njengobushushu kunye nokufuma.
iithegi ezishushu: ikhonkrithi,izongezo eziphathekayo