Ko te parekura o te marara he tohu hangarau nui hei ine i te kounga o te anti - marara.Hydroxypropyl methyl celluloseKo te kohinga polymer wai-wai-wai, e kiia ana ano ko te wai-whakarewa-rewa te wai, te polymer wai ranei. Ka whakapiki ake i te riterite o te ranunga ma te whakapiki ake i te tirohanga o te wai whakaranu. He momo momo o nga taonga polymerumalilic, ka taea te rewa i roto i te wai ka hangaia he otinga, he wai wehewehe ranei. Ko nga whakamatautau e whakaatu ana i te wa e piki ake ai te nui o te superplaticizer punaha, ka whakaitihia te taapiri o te superplasticizer, ka whakaheke i te parekura o te paruru hou. Na te mea ko te raupapa o Naphathalene he tino pai te wai whakaheke i te papa o te wai, i te wai whakaheke i te papatipu matūriki i te papa o te matū. Te hanganga o nga matūriki ciment i hangaia ma te wehewehe, ka takaia ki te hanganga o te tuku wai, ka ngaro te waahanga o te raima. I te wa ano, ka kitea ko te pikinga o te ihirangi HPMC, ko te whakakorenga o te miiharo hou he pai ake, he pai ake hoki.
Te kaha o nga ahuatanga o te raima:
Ko te HPMC I raro o te raima kore-ma-kore i tukuna i te Bridge Foundation engineering o te huarahi, a ko te tohu kaha hoahoa ko C25. I muri i te whakamatautau taketake, ko te kohinga ciment he 400KG, he whakahiato whakaranu i te 25kg / m3,HPMCKo te kohinga tino pai ko te 0.6% o te inenga CEMT, ko te 40%, te pikinga o te onepu i te hau e whakaiti ana i te hinu. Te kaha toharite o te raima ringihia me te teitei o te 60mm i roto i te wai e 28.4mpa mo te 36,4mpa mo nga ra 28.8%, e whakaatu ana i te paanga nui.
1.. Ko te taapiri o te HPMC he hua pumau ki runga i te ranunga paru. Na te pikinga o te inenga HPMC, ka roa te roa o te waa o te paru. I raro i te taua ahuatanga o te inenga HPMC, ko te waa whakatuunga o te paru o raro he roa atu i te hau. He painga tenei mo te papu raima i raro i te wai.
2, whakaranuhia ki te hydroxypropyl methyl cellulose o te raima cement hou he pai te kotahitanga, kaore he ahua toto.
3, Ko te tono i te wai HPMC me te wai mo te peita i te tuatahi ka heke te tuatahi ka piki haere.
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5 Ko te tauira o te 40D o raro o te 28D te paku nei. Ko te take matua ko te taapiri o te HPMC ka tino whakaiti i te ngaro me te wehewehe i te raima i te wa e ringihia ana e te wai, engari ka whakaiti hoki i te tohu o te whakakotahitanga ciment. I roto i te kaupapa, i raro i te tikanga mo te whakarite i te taumaha kore-a-raro, ko te nui o te ranunga HPMC ka whakaitihia i te waa e taea ana.
6, tāpiriHPMCKo te raro o te wai e kore e marara i te kaha o te raima, ko te kaupapa o te kaiurungi e whakaatu ana ko te paanga o te raima te 84.8%, he nui ake te paanga.
Te wa tuku: Apr-25-2024