Matsalolin da ke Faruwa a cikin Aikace-aikacen Ayyuka na Polycarboxylate Superplasticizer a Injiniyan Kankare

(Matsalolin da ke Faruwa a cikin Aikace-aikacen Ayyuka na Polycarboxylate Superplasticizer a Injiniyan Kankara)

Tasirin Amfanin Ruwa akan Kaddarorin Haɗin Kankaran Polycarboxylate

Tasirin amfani da ruwa a bayyane yake. A ainihin aikace-aikacen injiniya na kankare, wani lokacin idan aka ƙara yawan ruwa da 1 zuwa 3 kg/m3, simintin zai sami mummunan yanayin zubar jini, wanda zai haifar da lahani kamar rami, yashi, da ramuka a samansa. Ba za a iya tabbatar da daidaito da ingancin gini ba, saboda haka yana haifar da raguwar ƙarfi da karko na sifofi.

Polycarboxylate kankare yana da haɗari ga delamination da rarrabuwa

A mafi yawan lokuta, ƙari na polycarboxylate mai rage ruwa zuwa kankare zai rage danko na slurry sosai. A lokaci guda, ko da sashi da ruwa amfani da polycarboxylate superplasticizer ne mafi kyau duka, kuma babu zubar jini zai faru, da kankare ne yiwuwa ga delamination da rarrabuwa, wanda aka yafi bayyana a cikin gaskiyar cewa m tara za su gauraye da turmi. . , An raba ɓangaren litattafan almara mai tsabta kuma yana nutsewa da yawa. Wannan nau'in cakudewar kankare ba shi da wani girgiza don zubar da injiniyan kankare, kuma al'amarin delamination da rarrabuwa shima a bayyane yake.

Daidaituwa bai dace ba

Masu rage ruwa na al'ada irin su naphthalene jerin, jerin aliphatic, lignosulfonates, sulfamic acid salts za a iya haɗa su cikin kowane nau'i, sannan kuma suna iya saduwa da buƙatun shirye-shirye daban-daban. Wadannan masu rage ruwa na gargajiya Ba wai kawai wakili zai iya narke da kyau a cikin ruwa ba, amma har ma zai iya cimma kyakkyawan sakamako mai kyau idan aka yi amfani da su a hade. Polycarboxylate superplasticizers suna da manyan iyakoki kuma za'a iya amfani da su kawai tare da na'urorin superplasticizers na gargajiya, lignosulfonates, kuma suna da rashin daidaituwa tare da sauran na'urori na gargajiya. Idan aka yi amfani da shi tare da sauran nau'ikan masu rage ruwa na gargajiya, ba kawai yana da wahala a cimma tasirin da ya fi girma ba, amma kuma yawan ruwan simintin zai yi rauni sosai, yawan shan ruwa zai ƙaru sosai, asarar raguwar za ta kasance. mai tsanani, kuma simintin zai bushe kuma yana da wuyar fitarwa. , ƙarfi da karko na kankare za su yi tasiri sosai.

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(Matsalolin da ke Faruwa a cikin Aikace-aikacen Ayyuka na Polycarboxylate Superplasticizer a Injiniyan Kankara)