I-Cellulose Ether kwi-Concrete: Ukuphucula ukusebenza kunye nokuzinza
Abstract
Ikhonkrithi yenye yezinto zokwakha ezisetyenziswa kakhulu kwihlabathi jikelele, eyaziwa ngamandla ayo kunye nokuguquguquka kwayo. Nangona kunjalo, njengoko uzinzo kunye neenkxalabo zokusingqongileyo zizuza ukubaluleka, ishishini lokwakha lifuna izisombululo ezitsha zokuphucula ukusebenza kunye nokuqina kwekhonkrithi ngelixa linciphisa impembelelo yalo yokusingqongileyo. Oku kukhokelele ekusetyenzisweni okwandisiweyo kwezongezo ezifana ne-cellulose ethers. Eli nqaku libanzi liphonononga indima ye-cellulose ether kwikhonkrithi, iintlobo zayo ezahlukeneyo, iinzuzo, usetyenziso, kunye negalelo layo ekwenzeni ikhonkrithi igcineke ngakumbi kwaye ihambelana nokusingqongileyo.
Isiqulatho
1. Intshayelelo
- Isishwankathelo sokubaluleka kwekhonkrithi kulwakhiwo
- Imingeni kunye neemfuno zolwakhiwo oluzinzileyo
- Indima yezongezo ezifana ne-cellulose ether ekuphuculeni iipropati zekhonkrithi
2. Yintoni i-Cellulose Ether?
- Inkcazo kunye nesakhiwo se-cellulose ethers
- Iindidi ze-cellulose ethers ezisetyenziswa kwikhonkrithi
- Iimpawu eziphambili ze-cellulose ethers
3. Impembelelo yeI-Cellulose Ether kwi-ConcreteIipropati
-Ukuphucula ukusebenza kunye nokuhamba
- Ukugcinwa kwamanzi kunye nokunyanga okuphuculweyo
- Ukumisela ulawulo lwexesha
- Ukubambelela okuphuculweyo kunye namandla ebhondi
- Iimpembelelo kwi-rheology yekhonkrithi
4. Ukusetyenziswa kwe-Cellulose Ether kwi-Concrete
- Ukusetyenziswa kwikhonkrithi eqhelekileyo
-Ikhonkrithi ezenzelayo (SCC)
- Ukulungelelaniswa kokudibanisa ikhonkrithi
- Shotcrete kunye gunite
- Ifayibha-eyomeleziweyo ikhonkrithi
- Ikhonkrithi yangaphambili
5. Uzinzo kunye neeNzuzo zokusiNgqongileyo
- Ukunciphisa ukusetyenziswa kwamanzi kunye nokwandisa ixesha elide
- Ukunciphisa i-carbon footprint
- Igalelo kwi-LEED kunye neziqinisekiso zokwakha eziluhlaza
- Ukuncitshiswa kwenkunkuma kulwakhiwo
6. Imingeni kunye neNgqwalasela
-Ukuhambelana neminye imixube
- Umthamo kunye nokuqwalaselwa kokuxuba
-Izithintelo ezinokwenzeka kunye nezithintelo
7. Imizekelo
-Imizekelo yokwenyani yehlabathi yokusetyenziswa kwe-cellulose ether kwiiprojekthi zokwakha
- Ubonise izibonelelo kunye nezifundo ezifundiweyo
8. Iindlela ezizayo kunye noPhando kwi-Cellulose Ether Use
- Ukuqhubela phambili kwitekhnoloji ye-cellulose ether
- Ukwandisa izicelo kulwakhiwo oluzinzileyo
- Amanyathelo ophando kunye nophuhliso
9. Isiphelo
- Indima ekhulayo ye-cellulose ether kwi-teknoloji yekhonkrithi yanamhlanje
- Amandla okuqhubela phambili kulwakhiwo oluzinzileyo
- Isidingo sophando oluqhubekayo kunye nophuhliso kwizicelo ze-cellulose ether kwikhonkrithi
1. Intshayelelo
Ikhonkrithi ngumqolo wolwakhiwo lwangoku, olunika amandla angenakulinganiswa kunye nokuqina. Yeyona imathiriyeli yokwakha isetyenziswa kakhulu kwihlabathi jikelele, ibumba izixeko zethu kunye neziseko zophuhliso. Nangona kunjalo, impembelelo yokusingqongileyo kunye nokuzinza kolwakhiwo lwekhonkrithi iye yaba yimiba ebalulekileyo. Kulo mongo, izongezo ezifana ne-cellulose ether ziye zavela njengezona zinto zibalulekileyo zokuphucula ukusebenza kwekhonkrithi ngelixa zenza ukuba zizinzileyo.
2. Yintoni i-Cellulose Ether?
I-Cellulose ether lusapho lweepolymers ezinyibilikayo emanzini eziphuma kwiselulosi yendalo, efumaneka kwintlama yomthi okanye umqhaphu. Ilungiswa ngokwekhemikhali ukuze yongeze ukugcinwa kwayo kwamanzi, ukujiya, kunye neempawu zokubopha. I-cellulose ethers iza ngeendlela ezahlukeneyo kwaye isetyenziswa kakhulu kumashishini afana nokwakha, amayeza, ukutya, kunye nezithambiso. Kwikhonkrithi, iindidi ezininzi ze-cellulose ethers zisetyenziswa, kuquka i-Hydroxyethyl Methylcellulose (HEMC) kunye ne-Hydroxypropyl Methylcellulose (HPMC). Ezi zongezo ziyaziwa ngokukwazi ukuphucula ukusebenza, ukubambelela, kunye nokuqina kwemixube yekhonkrithi.
3. Impembelelo yeEtere yeCellulose kwiiPropati zeConcrete
I-cellulose ethers idlala indima ebalulekileyo ekuphembeleleni iipropati ezahlukeneyo zekhonkrithi. Impembelelo yabo ibandakanya:
Ukuphucula ukusebenza kunye nokuhamba: I-cellulose ethers iphucula ukusebenza kwekhonkrithi ngokunciphisa ukuhlukana kwamanzi kunye nokuphucula ukuhamba komxube. Oku kubaluleke ngakumbi ekuqinisekiseni ukuba ikhonkrithi inokubekwa lula kwaye idityaniswe, nto leyo ibalulekile ekufezekiseni ukufana kunye nokunciphisa i-voids.
Ukugcinwa kwamanzi kunye nokuPhucula okuPhuculweyo: I-cellulose ethers igcina amanzi kumxube wekhonkrithi, ukuthintela ukomisa kwangaphambi kwexesha. Oku kubalulekile kunyango olusebenzayo, olunegalelo kuphuhliso lwamandla ekhonkrithi kunye nokuqina. Ukunyanga ngokufanelekileyo kubalulekile ekunciphiseni umngcipheko wokuqhekeka kunye nokuqinisekisa ukusebenza kwexesha elide.
Ukubeka Ulawulo Lwexesha: Ukongezwa kwe-cellulose ethers kunokunceda ukulawula ixesha lokumisela ikhonkrithi. Oku kuluncedo ngakumbi kwiimeko apho kufuneka ukusebenza okwandisiweyo, njengakwiimeko zemozulu eshushu, okanye xa kulibaziseka ekubekeni.
Ukuphucula ukubambelela kunye nokuqina kweBond: I-ethers ye-cellulose iphucula ukunamathela kwekhonkrithi kwii-substrates ezahlukeneyo, kubandakanywa izinto zokuqinisa, ezibaluleke kakhulu kwingqibelelo yesakhiwo. Baphucula amandla ebhondi, ukunciphisa umngcipheko we-delamination kunye nokuphucula umgangatho jikelele wekhonkrithi.
Iimpembelelo kwi-Rheology ye-Concrete: I-cellulose ethers inefuthe kwiipropati ze-rheological zekhonkrithi, ezichaphazela ukuhamba kwayo, i-viscosity, kunye neempawu zokuguqulwa. Oku kubaluleke kakhulu kwimeko ye-self-compacting concrete (SCC), apho kufuneka ulawulo oluchanekileyo lwe-rheology kwisicelo esiyimpumelelo.
4. Ukusetyenziswa kwe-Cellulose Ether kwi-Concrete
I-Cellulose ethers ifumana izicelo kuluhlu olubanzi lweentlobo zekhonkrithi kunye neendlela zokwakha, kubandakanya:
Ukusetyenziswa kwi-Concrete yeSiqhelo: Kwikhonkrithi eqhelekileyo, i-cellulose ethers yongezwa ukuphucula ukusebenza, ukunciphisa umthamo wamanzi, kunye nokuphucula ukubambisana, okubangelwa umxube ohambelanayo kunye nokuqina.
I-Self-Compacting Concrete (SCC): I-SCC ixhomekeke kulawulo oluchanekileyo lwe-rheological, ukwenza i-cellulose ethers ibe yinto ebalulekileyo. Baququzelela ukuhamba kunye neempawu zokuzilinganisa ze-SCC ngelixa zigcina uzinzo.
I-Ready-Mix Concrete: Ikhonkrithi ekulungeleyo yokuxuba isetyenziswa ngokuqhelekileyo kwiiprojekthi zokwakha. I-cellulose ethers yongezwa kule mixube ukuqinisekisa ukuba ikhonkrithi ihlala isebenza ngexesha lokuthutha kunye nokubekwa.
I-Shotcrete kunye ne-Gunite: Kwizicelo apho ikhonkrithi itshizwe phezu komphezulu, njengokwakhiwa kwetonela okanye ukwakhiwa kwamadama okuqubha, i-cellulose ethers inceda ekufezekiseni ukuhambelana okufunwayo kunye nokubambelela.
I-Fiber-Reinforced Concrete: Ukongezwa kwee-fibers kwikhonkrithi yinto eqhelekileyo yokuphucula i-tensive and flexural properties. I-cellulose ethers inokuphucula ukusasazwa kweentsinga ngaphakathi komxube kunye nokuphucula ukusebenza ngokubanzi kwekhonkrithi eyomeleziweyo.
I-Precast Concrete: Iimveliso zekhonkrithi zangaphambili, ezifana neepaneli ze-precast kunye neepayipi, zixhamla ekusebenziseni i-cellulose ethers ukunyusa ukusebenza kunye nokunciphisa imfuno yamanzi. Oku kukhokelela kumgangatho ongcono we-precast izinto.
5. Uzinzo kunye neeNzuzo zokusiNgqongileyo
Ukusetyenziswa kwe-cellulose ethers kwikhonkrithi kunegalelo kuzinzo oluninzi kunye neenzuzo zokusingqongileyo, kubandakanywa:
Ukunciphisa ukusetyenziswa kwamanzi kunye nokunyusa ukuqina: Ngokuphucula ukugcinwa kwamanzi kunye nokusebenza, i-cellulose ethers ivumela ukunciphisa umthamo wamanzi kumxube wekhonkrithi. Oku akugcini nje ngokugcina amanzi kodwa kwandisa ukuqina kwekhonkrithi ngokunciphisa umngcipheko wokuqhekeka kunye nokuphucula ukunyanga.
Ukunciphisa iCarbon Footprint: Umlinganiselo ophantsi wesamente wamanzi ofunyenwe ngokusetyenziswa kwe-cellulose ethers unokukhokelela ekunciphiseni ukukhutshwa kwekhabhoni. Oku kubaluleke ngakumbi kumxholo wemizamo yehlabathi yokunciphisa impembelelo yokusingqongileyo yokwakha.
Igalelo kwi-LEED kunye neziQinisekiso zoKwakha okuHlaza: Imigangatho emininzi yokwakha eluhlaza, njenge-LEED (Ubunkokeli kuMandla kunye noYilo lweNdalo), umvuzo wokusetyenziswa kweendlela zokwakha ezizinzileyo kunye nezinto eziphathekayo. Ukubandakanywa kwe-cellulose ethers kwikhonkrithi kunokunceda iiprojekthi zokwakha zifumane amanqaku abhekiselele kwezi ziqinisekiso.
Unciphiso lweNkunkuma kuLwakhiwo: Ukusebenza okuphuculweyo kunye nokuncitshiswa komthamo wamanzi kubangela inkunkuma yempahla encinci ngexesha
ukwakhiwa. Oku kunokukhokelela ekongiweni kweendleko kunye nenkqubo yokwakha ezinzileyo.
6. Imingeni kunye neNgqwalasela
Ngelixa i-cellulose ethers ibonelela ngeenzuzo ezininzi, kukho imiceli mngeni kunye nokuqwalaselwa kokusetyenziswa kwazo:
Ukuhambelana nezinye ii-Admixtures: Ukuhambelana kwe-cellulose ethers kunye nezinye i-admixtures, ezifana ne-superplasticizers kunye ne-air-entraining agents, kufuneka ziqwalaselwe ngononophelo. Idosi efanelekileyo kunye neenkqubo zokuxuba zibalulekile ukuqinisekisa ukuba zonke izongezo zisebenza ngokuhambelanayo.
Idosi kunye nokuHlanganisa iNgqwalasela: Idosi echanekileyo ye-cellulose ethers ibalulekile ekuphumezeni iziphumo ezinqwenelekayo. Ukugqithisa okanye ukuthoba ngaphantsi kunokuba nemiphumo emibi ekusebenzeni kwekhonkrithi.
Utsalo olunokwenzeka kunye neMida: Ngelixa ii-ether zeselulosi zibonelela ngeenzuzo ezininzi, kubalulekile ukuvuma ukuba azinakuba sisisombululo esilinganayo kwisicelo ngasinye sekhonkrithi. Ukuqonda iimfuno ezithile zeprojekthi kunye neepropathi ze-cellulose ethers kubalulekile ukunyusa inzuzo yabo.
7. Imizekelo
Imizekelo yokwenyani yokusetyenziswa kwe-cellulose ether kwiiprojekthi zokwakha ingabonisa iingenelo kunye nezifundo ezifunyenwe kwisicelo sabo. Izifundo zophando zinokunika ukuqonda malunga nokusetyenziswa okusebenzayo kwe-cellulose ethers kwiimeko ezahlukeneyo zokwakha.
8. Iindlela ezizayo kunye noPhando kwi-Cellulose Ether Use
Ukusetyenziswa kwe-cellulose ethers kwikhonkrithi yintsimi eguqukayo kunye nophando oluqhubekayo kunye nophuhliso. Imikhwa yexesha elizayo inokuquka:
Ukuqhubela phambili kwiTekhnoloji ye-Cellulose Ether : Abaphandi baqhubeka besebenzela ukuphucula iimveliso ze-cellulose ether, ukuphucula izakhiwo zabo kunye nokwandisa izicelo zabo kwishishini lokwakha.
Ukwandiswa kwezicelo kuLwakhiwo oluZinzileyo: Njengoko uzinzo luba yinkxalabo ebaluleke ngakumbi kulwakhiwo, indima ye-cellulose ethers ekufezekiseni i-eco-friendly kunye nezakhiwo ezonga amandla kunokwenzeka ukuba zande.
Amanyathelo oPhando noPhuhliso: Imibutho karhulumente neyabucala ityala imali kuphando nophuhliso lweeprojekthi ezijolise ekuphononongeni amathuba amatsha eether ze-cellulose kulwakhiwo. Oku kuquka ukuphanda ukusetyenziswa kwazo kubuchule bokwakha obukumgangatho ophezulu kunye nemathiriyeli.
9. Isiphelo
I-cellulose ethers idlala indima ebalulekileyo ekuphuculeni ukusebenza kunye nokuzinza kwekhonkrithi kwishishini lokwakha. Ukukwazi kwabo ukuphucula ukusebenza, ukunciphisa umthamo wamanzi, ukunyusa ukubambelela, kunye nokukhuthaza izenzo ezizinzileyo zokwakha kubenza ukuba babe yinxalenye ebalulekileyo kwizinto zokwakha zanamhlanje. Ngophando oluqhubekayo kunye nophuhliso, i-cellulose ethers ikulungele ukufaka isandla kwikhonkrithi ehambelana nokusingqongileyo kunye nesigxina kwixesha elizayo, ukulungelelanisa neemfuno ezikhulayo zezenzo zokwakha ezizinzileyo.
Ehlabathini apho iinkxalabo zokusingqongileyo ziba yinto ephambili, ukusetyenziswa kwe-cellulose ethers kwikhonkrithi kubonisa inyathelo eliya phambili ekufezekiseni ukusebenza kunye nokuzinza ekwakheni. Lo mmandla uguquguqukayo uyaqhubeka nokuguquka, kunye nophando oluqhubekayo kunye nophuhliso olujoliswe ekuvuleni amandla apheleleyo ezi zongezo eziguquguqukayo. Njengoko iindlela zokwakha ziqhubeka nokuziqhelanisa nokuhlangabezana nemingeni yenkulungwane yama-21, i-cellulose ethers imiselwe ukuba idlale indima ebalulekileyo ekwakhiweni kwendawo eyakhiweyo ezinzileyo neyomeleleyo.
Ixesha lokuposa: Nov-01-2023