Itekhnoloji yekhonkrithi yakho Izibonelelo zayo zibandakanya ukuphuculwa kokuphumelela, iindleko zomsebenzi ezincitshisiweyo, kunye nokuphucula ukusebenza kwezakhiwo. Ukufezekisa ezi mpawu zifuna ulawulo olufanelekileyo lomxube, rhoqo ngoncedo lokungqinelana njenge-hydroxypropyl methylcelcelgalose (HPMC). Esi sifo se-seluplose i-polymer idlala indima ebalulekileyo ekuguquleni iipropathi ze-ROOOOOIL ye-SCC, ukuphucula uzinzo kunye neempawu zayo zokuhamba.
Iipropathi kunye nemisebenzi ye-HPMC
I-HydroxyPOpyl Methylcelcelsulose Iipropathi zayo eziphambili zibandakanya:
Utshintsho lwe-Viscosity: i-HPMC yonyusa i-viscofity yezisombululo zemozulu, yandisa i-Thizotropic imeko yomxube wekhonkrithi.
Ukugcinwa kwamanzi: Inobukrelekrele obuhle kakhulu bamanzi, obunceda ukugcina umsebenzi wekhonkrithi ngokunciphisa ukuphuma kwamanzi.
Unamathembeko kunye nokudibana: I-HPMC iphucula ukuboleka phakathi kwezigaba ezahlukeneyo kwikhonkrithi, ekhuthaza iipropathi zayo.
UKHUSELEKO OLUKHUSELEKILEYO: Ngaba ikwazisa ukunqunyanyiswa kokudityaniswa komxube, ukunciphisa isahlulo kunye nokopha.
Ezi propati zenza i-HPMC i-SCMC exabisekileyo kwi-SCC, njengoko ithetha ngemiceli mingeni efana nokwahlulahlula, ukopha, kunye nokugcina ukungazinzileyo kuzinzo.
Indima ye-HPMC kwikhonkrithi yakho
1. Ukuphuculwa kokusebenza
Umsebenzi ophambili we-HPMC kwi-SCC kukuphucula ukusebenza kwayo ngokwandisa i-viscofity yomxube. Olu hlengahlengiso luvumela i-SCC ukuba ihambe ngokulula phantsi komzimba wayo, ukugcwalisa umsebenzi ontsonkothileyo kunye nokufezekisa inqanaba eliphezulu lokuqulunqa ngaphandle kwemfuno yokutshintsha. I-HPMC iqinisekisa ukuba ikhonkrithi ihlala isebenza ixesha elide, eliyingenelo ikakhulu kwi-thurs enkulu okanye enkulu.
Ukuhamba: I-HPMC inegalelo kwiipropathi ze-thringitropic, ivumela ukuba ihlale ihleli i-fluid xa idityanisiwe kodwa ikhule. Le ndlela yokuziphatha ixhasa iimpawu ezizezikolo ze-SCC, ziqinisekisa ukuba ihamba kakuhle ukugcwalisa izibulo kunye nokunika i-ecancation imivalo ngaphandle kokuqhekezwa.
Ukungqinelana: Ngokulawula i-viscofity, i-HPMC inceda ukugcina inguqulelo efanayo kuwo wonke umxube, uqinisekisa ukuba ibhetshi ngalinye le-SC le lenza isebenza ngokungaguqukiyo malunga nokuhamba kunye nokuzinza.
I-2. Ukwahlulahlula kunye nokulawula ukopha
Ukwahlula-hlulwa (ukwahlulahlula-hlulwa (ukwahlulahlula i-Agegregates kwi-Clue) kunye nokopha (amanzi anyukayo kumphezulu) ziinkxalabo ezibalulekileyo kwi-SCC. Ezi phenomena zinokulalanisa ingqibelelo yendlela kunye nokugqitywa komphezulu wekhonkrithi.
Umxube weHomogeneous: Isakhono se-HPMC sokwandisa i-viscofity ye-viste yesamente inciphise ukuhamba kwamanzi kunye nokwahlula-hlulwa, ngaloo ndlela kunciphisa umngcipheko wokuqondisa.
Ukucuthwa komphamo: Ngokugcina amanzi ngaphakathi komxube, i-HPMC iyanceda ukukhusela ukopha. Ukugcinwa kwamanzi kuqinisekisa ukuba inkqubo ye-hydrate iyaqhubeka ngokufanelekileyo, ukuphucula ukuphuculwa kwamandla kunye nokuqina kwekhonkrithi.
3. Uzinzo oluphuculweyo
I-HPMC inegalelo kuzinzo lwe-SCC ngokuphucula ubumbano phakathi kwamasuntswana kumxube. Olu nzo luzinzo luphuculweyo lubalulekile ekugcineni ukusasazwa ngokufanayo kwe-agergates kunye nokuthintela ukwakhiwa kwee-voids okanye iindawo ezibuthathaka.
Ukudibana: Ubumbeko lwe-HPMC lukhuthaza ukuboleka okungcono phakathi kwamasuntswana kunye ne-agergates, okukhokelela kumxube odibeneyo oxhathisela ukwahlulahlula.
Ukuzinza: I-HPMC ihlalakalisa umncinci wekhonkrithi, ivumela ukuhambisa i-Agergates kunye nokuthintela ukumiswa kwelebhu (amasuntswana anobuthathaka kumphezulu).
Iziphumo kwiipropathi zoomatshini
I-1. Ukomelela
Impembelelo ye-HPMC kumandla e-SCC ikhwankqisiwe. Ngokuthintela ukwahlula kunye nokuqinisekisa ukuxuba kwe-homogeneous, i-HPMC inceda ukugcina ingqibelelo yekhonkrithi yekhonkrithi, ekhokelela kwiimpawu ezingcono zekhonkrithi.
Ukugcinwa kwamanzi: Ukugcinwa kwamanzi okuphuculweyo kuqinisekisa ukuba i-hydiment epheleleyo yamasuntswana, enegalelo kuphuhliso lweMatrix eyomeleleyo.
Ukuxinana okungafaniyo: ukuthintela ukwahlula kukhokelela ekusasazeni okungafaniyo kwe-Aggregates, exhasa amandla aphezulu okucinezela kwaye kunciphisa umngcipheko wezinto ezibuthathaka.
2. Ukuqina
Ukusetyenziswa kwe-HPMC kwi-SCC kuphumeza ukuqina kwayo ngokuqinisekisa ukuba ubukhulu be-densernous.
Ukucuthwa kokuncitshiswa: Ukuphuculwa komgangatho ophuculweyo kwaye kunciphise ukunciphisa ukwenziwa kwekhonkrithi, ukwandisa ukungavisisani kwento yokusingqongileyo njengemijikelezo ye-freeze-thaw, kunye nokuhlaselwa kwekhemikhali, kunye nokuhlaselwa kwekhemikhali.
Ukugqiba komgangatho ophuculweyo: ukuthintela ukopha kunye nokwahlulahlula kuqinisekisa ukugqiba umphezulu, okungaphezulu kakhulu ukugqiba, okungapheliyo ekuqhekezeni nasekupheleni.
Isicelo kunye nokuqwalaselwa kwedosi
Ukusebenza kwe-HPMC kwi-SCC kuxhomekeke kwidosi yayo kunye neemfuno ezithile zomxube. Amaxabiso aqhelekileyo aqala ukusuka kwi-0.1% ukuya kwi-0,5% yesamente, kuxhomekeke kwipropathi oyifunayo kunye neempawu zenye izinto kumxube.
Umxube uyilo: Yilo lokudibanisa ngononophelo lubalulekile ukuze usebenze izibonelelo ze-HPMC. Izinto ezifana nohlobo lwe-Aggregate, umxholo wesamente, kunye nezinye izinto ezimiselweyo kufuneka ziqwalaselwe ukufezekisa ibhalansi oyifunayo yokusebenza, uzinzo, namandla.
Ukuhambelana: I-HPMC kufuneka ihambelane neminye imixube esetyenziswa kumxube, njengamanzi e-superplasticy kunye nabanciphisi bamanzi, ukunqanda ukusebenzisana okubi okunokulalanisa kwi-SCC.
I-HydroxyPOpyl Methylcelceltulose (HPMC) idlala indima ebalulekileyo ekwandiseni intsebenzo yekhonkrithi yekhonkrithi (i-SCC). Ukukwazi kwayo ukuguqula i-viscosity, ukuphucula ukugcinwa kwamanzi, kwaye uzinze umxube ujongane nemiceli mngeni kwimveliso ye-SC, kubandakanya ukwahlula, ukopha, nokugcina ukungahambi. Ukufakwa kwe-HPMC kwi-SCC kuphumela kwi-SCC esebenzayo, izinzile, kunye neyesimo esihlala ikhonkrithi, esenza ukuba ibe lusongezelelwa kwikhonkrithi. Proper dosage and mix design are essential to harness the full benefits of HPMC, ensuring that the SCC meets the specific performance criteria required for various construction projects.
IXESHA LOKUQALA: Jun-18 ukuya kwi-2024