A. Isidingo sokugcina amanzi
Ukugcinwa kwamanzi kwesimende kubhekisela ekhonweni lesimende lokugcina amanzi. Isimende esinokugcinwa kwamanzi okuncane sivame ukopha nokuhlukaniswa ngesikhathi sokuthuthwa nokugcinwa, okungukuthi, amanzi ayantanta phezulu, bese isihlabathi nesimende sicwila ngaphansi. Kumele sivuselelwe kabusha ngaphambi kokusetshenziswa.
Zonke izinhlobo zezisekelo ezidinga udaka ukuze kwakhiwe zinokumuncwa kwamanzi okuthile. Uma ukugcinwa kwamanzi kodaka kukubi, udaka oluxutshwe ngomumo luzomuncwa ngokushesha nje lapho udaka oluxutshwe ngomumo luhlangana nebhulokhi noma isisekelo ngesikhathi sokusetshenziswa kodaka. Ngesikhathi esifanayo, ubuso bangaphandle bodaka bukhipha amanzi emoyeni, okuholela ekunganeleni komswakama kudaka ngenxa yokuphelelwa amanzi emzimbeni, okuthinta ukumuncwa okuqhubekayo kwesimende, futhi ngesikhathi esifanayo kuthinta ukuthuthukiswa okuvamile kwamandla odaka, okuholela emandleni, ikakhulukazi ukuxhumana phakathi kodaka oluqinile kanye nesendlalelo sesisekelo. kuba phansi, okubangela ukuthi udaka luqhekeke futhi luwe. Kudaka olunokugcinwa kwamanzi okuhle, ukumuncwa kwesimende kwanele, amandla angathuthukiswa ngokujwayelekile, futhi angaxhunywa kangcono nesendlalelo sesisekelo.
Udaka oluxutshwe kahle luvame ukwakhiwa phakathi kwamabhulokhi amunca amanzi noma lubekwe esisekelweni, lwakha into yonke kanye nesisekelo. Umthelela wokugcinwa kabi kwamanzi kodaka ekhwalithini yephrojekthi umi kanje:
1. Ngenxa yokulahlekelwa amanzi ngokweqile kusuka ku-mortar, kuzothinta ukuqina nokuqina kwe-mortar evamile, futhi kunciphise amandla okubopha phakathi kwe-mortar kanye nobuso, okungekona nje kuphela okungabangeli izinkinga emisebenzini yokwakha, kodwa futhi kunciphisa amandla okwakhiwa kwe-marshmallow, ngaleyo ndlela kunciphisa kakhulu ikhwalithi yephrojekthi.
2. Uma udaka lungahlanganiswanga kahle, amanzi amuncwa kalula yizitini, okwenza udaka lome kakhulu futhi lube lujiyile, futhi ukusetshenziswa kwalo kungalingani. Lapho iphrojekthi iqaliswa, ayithinti nje kuphela intuthuko, kodwa futhi yenza udonga lube sengozini yokuqhekeka ngenxa yokuncipha;
Ngakho-ke, ukwandisa ukugcinwa kwamanzi kwe-mortar akugcini nje ngokuzuzisa ekwakheni, kodwa futhi kwandisa amandla.
B. Izindlela zokugcina amanzi zendabuko
Isixazululo sendabuko ukunisela isisekelo, kodwa akunakwenzeka ukuqinisekisa ukuthi isisekelo simanziswe ngokulinganayo. Umgomo ofanele wokufaka amanzi esisekelweni uwukuthi: umkhiqizo wokufaka amanzi esisekelweni ungena esisekelweni kanye nenqubo yokumunca amanzi esisekelweni, kwakha "uxhumano oluyisihluthulelo" olusebenzayo nesisekelo, ukuze kufezwe amandla esibopho adingekayo.
Ukunisela ngqo ebusweni besisekelo kuzobangela ukusabalala okukhulu ekumuncweni kwamanzi kwesisekelo ngenxa yokwehluka kwezinga lokushisa, isikhathi sokunisela, kanye nokufana kokunisela. Isisekelo sinokumuncwa kwamanzi okuncane futhi sizoqhubeka nokumunca amanzi ku-mortar. Ngaphambi kokuba kuqhubeke ukumuncwa kwe-samente, amanzi ayamuncwa, okuthinta ukungena kwe-samente hydration kanye nemikhiqizo yokumuncwa kwe-matrix; isisekelo sinokumuncwa kwamanzi okukhulu, futhi amanzi ku-mortar agelezela ku-base. Ijubane lokufuduka eliphakathi lihamba kancane, futhi ngisho nengqimba ecebile ngamanzi iyakhiwa phakathi kwe-mortar kanye ne-matrix, okuthinta futhi amandla e-bond. Ngakho-ke, ukusebenzisa indlela evamile yokunisela isisekelo ngeke kuhluleke nje kuphela ukuxazulula inkinga yokumuncwa kwamanzi amaningi kwesisekelo sodonga, kodwa kuzothinta amandla okubopha phakathi kwe-mortar kanye nesisekelo, okuholela ekuqhekekeni nasekuqhekekeni.
C. Indima yokugcina amanzi kahle
Ukusebenza okuphezulu kokugcina amanzi kwe-mortar kunezinzuzo eziningi:
1. Ukusebenza okuhle kakhulu kokugcina amanzi kwenza udaka luvuleke isikhathi eside, futhi lunezinzuzo zokwakha indawo enkulu, impilo ende yenkonzo ebhakedeni, kanye nokuxuba ama-batch kanye nokusetshenziswa kwama-batch.
2. Ukusebenza kahle kokugcinwa kwamanzi kwenza usimende osesimendeni ube namanzi aphelele, okuthuthukisa ngempumelelo ukusebenza kokubopha kwesimende.
3. I-mortar inokusebenza okuhle kakhulu kokugcina amanzi, okwenza i-mortar ingabi sengozini yokuhlukaniswa nokopha, futhi ithuthukise ukusebenza kahle kanye nokwakheka kwe-mortar.
Isikhathi sokuthunyelwe: Ephreli-27-2023