iphepha_ibhena

iindaba

Ikhonkrithi okwangoku sesona sixhobo sokwakha sisetyenziswa kakhulu, kwaye ilizwe lam lelona lisebenzisa kakhulu ikhonkrithi ehlabathini.Njengohlobo lomxube wekhonkrithi, isinciphisi samanzi sinembali yamashumi aliqela eminyaka kuphela, kodwa isantya sophuhliso sikhawuleza kakhulu, kwaye sidlala indima ebaluleke kakhulu kuphuhliso lobuchwepheshe bekhonkrithi obunamandla aphezulu kunye nokusebenza okuphezulu.

 

Ukusukela ekufikeni kwepolycarboxylate superplasticizer ngeminyaka yee-1980s, ngenxa yeenzuzo zayo ezibalaseleyo ezinje ngedosi ephantsi, ukugcinwa kakuhle kwe-slump, kunye nokuncipha kwekhonkrithi ephantsi, iye yatsala ingqalelo engakumbi nangakumbi kushishino, kwaye ngoku iye yaba yikhonkrithi esele ilungile.Uhlobo oluphambili lwe-arhente yokunciphisa amanzi lusetyenziswa ngokubanzi kwiindlela zikaloliwe ezihamba ngesantya esiphezulu, uhola wendlela, iibhulorho, iitonela, i-subways, izakhiwo eziphakamileyo kunye nezinye iiprojekthi eziphambili zelizwe, ukuxazulula uchungechunge lweengxaki zobuchwepheshe.

 

Nangona isinciphisi samanzi ekhonkrithi sinethemba lemarike ebanzi kakhulu, ulwakhiwo oluntsonkothileyo lwezakhiwo zanamhlanje kunye nemekobume yokwakha erhabaxa yobushushu obuphezulu kunye nokoma kubeka phambili iimfuno ezingaphezulu nangaphezulu zokusebenza kwezixhobo zekhonkrithi, kunye nomgangatho ophezulu wokuthotywa kwamanzi wekhonkrithi njengeNew. izinto zekhemikhali nazo zijongene neengxaki ezinzulu zokusingqongileyo.Ezi meko zikhoyo ngoku zibangele ukuba iiyunithi zophando kunye nemveliso yezinciphisi zamanzi ezibambekayo ziqhubeleke nokuqhuba izinto ezintsha zobugcisa kwizinciphisi zamanzi ezibambekayo.

 

Ngenkuthazo ekhoyo ngoku enkulu yokwakhiwa kwezindlu, ezothutho zikaloliwe kunye nolunye ulwakhiwo lwasezidolophini kunye nethuba lamazwe ngamazwe lelizwe “iBhanti kunye neNdlela”, i-arhente yokunciphisa amanzi iza kunceda ishishini elibambekayo lize lizise intlakohlaza yalo.Ixesha elide kwixesha elizayo, i-polycarboxylate superplasticizers iya kuhlala kwindawo ebalaseleyo kwikhonkrithi exutywe ngokulungeleyo kwizakhiwo ezikhethekileyo ezifana nezakhiwo eziphakamileyo eziphakamileyo kunye ne-ultra-large spans nakwiindawo ezinzima ezifana nobushushu obuphezulu.

 


Ixesha lokuposa: Sep-07-2022