Ngabe izinga lokugcina lamanzi le-hydroxypropylllllllyllose methylcellose lithinta udaka?

A. Isidingo sokugcinwa kwamanzi

Ukugcinwa kwamanzi kodaka kubhekiselwa emandleni odaka ukuze kugcinwe amanzi. Udaka ngokugcinwa kwamanzi ompofu uthambekele ukopha nokuhlukaniswa ngesikhathi sokuhamba nokugcinwa, okungukuthi, amanzi entanta ngaphezulu, nesihlabathi kanye nesimende kanye nosimende kanye nesimende kucwila ngezansi. Kumele ivuswe kabusha ngaphambi kokusebenzisa.

Zonke izinhlobo zezisekelo ezidinga udaka lokwakhiwa ziba nokumunqwa kwamanzi. Uma ukugcinwa kwamanzi kodaka kumpofu, udaka oluselungiselelwe luzothengwa ngokushesha nje lapho kuhlangana nodaka oluxutshwe nebhulokhi noma isisekelo ngesikhathi sokusetshenziswa kodaka. Ngasikhathi sinye, indawo yangaphandle yodaka ikhipha amanzi emkhathini, okuholela ekutheni umswakama onganele odongeni ngenxa yokuwohloka komoya, futhi ngasikhathi sinye kuthinta ukuthuthukiswa okujwayelekile kwamandla wodaka , okuholele ekulweni namandla, ikakhulukazi isikhombimsebenzisi phakathi kodaka olukhuni kanye nongqimba lwesisekelo. iba ngaphansi, okwenza udaka luqhekeze futhi luwe. Ngodaka ngokugcinwa kwamanzi okuhle, i-yment hydration yanele, amandla angathuthukiswa ngokujwayelekile, futhi angavunyelwa kangcono ungqimba lwesisekelo.

Udaka oluselungiselelwe luvame ukwakhiwa phakathi kwamabhulokhi angenanzi amanzi noma ukusakazwa esisekelweni, kwakha konke kanye nesisekelo. Umthelela wokugcinwa kwamanzi ompofu ngodaka ngekhwalithi yephrojekthi ngukulandelayo:

1. Ngenxa yokulahleka ngokweqile kwamanzi kusuka kudaka, kuzothinta ukuqina okujwayelekile kanye nokuqina kodaka, futhi kunciphise amandla okubopha phakathi kodaka nobuso, okungaphazamisi kuphela Amandla we-masonry, ngaleyo ndlela anciphise kakhulu ikhwalithi yephrojekthi.

2. Uma udaka engavunyelwanga kahle, amanzi adonswa kalula yizitini, okwenza udaka owomile kakhulu futhi agqinsiwe, futhi uhlelo lokusebenza alulingani. Lapho iphrojekthi isetshenziswa, ayigcini ngokuthinta inqubekela phambili, kodwa futhi yenza nodonga luthambekele ekuqhekekeni ngenxa ye-shrinkage;

Ngakho-ke, ukukhulisa ukugcinwa kwamanzi kodaka akusizi nje kuphela ukwakhiwa, kodwa futhi kwandisa amandla.

B. Izindlela zokugcina amanzi zendabuko

Isixazululo sendabuko ukunisela isisekelo, kepha akunakwenzeka ukuqinisekisa ukuthi isisekelo siyanyiswa ngokulinganayo. Umgomo ofanele we-hydration ka usimende wodaka esisekelweni yile: Umkhiqizo we-Cement Hydration ungene esisekelweni kanye nenqubo yesisekelo samanzi, ukwakha amandla asebenzayo e-Base.

Ukunisela ngqo ebusweni besisekelo kuzodala ukuhlakazeka okukhulu ekutholeni kwamanzi kwesisekelo ngenxa yokungafani kokushisa, isikhathi sokunisela kanye nokunisela. Isisekelo sinokutholwa kwamanzi okuncane futhi sizoqhubeka nokudonsa amanzi odongeni. Ngaphambi kokuba i-cydy ye-cydration iyaqhubeka, amanzi amunwa, okuthinta ukungena kwe-yment hydration nemikhiqizo ye-hydration kwi-matrix; Isisekelo sinokuthathwa kwamanzi okukhulu, namanzi asosimende ageleza ezansi. Ijubane lokufuduka eliphakathi lihamba kancane, futhi noma ungqimba olunothile lwamanzi kwakheka phakathi kodaka kanye ne-matrix, okubuye kuthinta amandla e-bond. Ngakho-ke, ukusebenzisa indlela ejwayelekile yokunisela izisekelo ngeke kuhluleke kuphela ukuxazulula inkinga yokufakwa kwamanzi okuphezulu kwesisekelo sodonga, kepha kuzothinta amandla okubopha phakathi kodaka kanye nesisekelo, okuholela ekuhlolweni nasekuhlanganeni.

C. Indima yokugcinwa kwamanzi kahle

Ukusebenza kokugcinwa kwamanzi okuphezulu kodaka kunezinzuzo eziningi:

1. Ukusebenza okuhle kakhulu kokugcina amanzi kwenza udaka oluvule isikhathi eside, futhi lunezinzuzo zokwakhiwa kwezindawo ezinkulu, impilo yenkonzo ende ebhakedeni, kanye nokuxubana kwe-batch kanye nokusebenzisa i-batch.

2. Ukusebenza okuhle kokugcinwa kwamanzi kwenza usimende odongeni olugcwele udaka, luthuthukise kahle ukusebenza kwe-bondar.

I-3. Udaka lunokusebenza okuhle kakhulu kokugcina amanzi, okwenza udaka aluthambekele kancane ekuhlukaniseleni nokopha, futhi kuthuthukise ukusebenziseka kanye nokwakhiwa kodaka.


Isikhathi Sokuthumela: APR-27-2023