Hydroxyprusyl methylcellose inzvimbo yakadzika-mvura inomeswa, inozivikanwa seyenzer-soluble resin kana mvura-yakashata polymer. Iyo inokara musanganiswa nekuwedzera zvevatenzi yemvura yekusanganisa. Icho hydrophilic polymer zvinhu. Inogona kunyungudutswa mumvura kuti iite mhinduro kana kupararira. Kuedza kunoratidza kuti kana huwandu hwenhthalene-based supplasticastizer inowedzera, iko kubatanidzwa kwemakungwa makuru kuchaderedza kuparadzaniswa kwesimbe yakasanganiswa. Izvi zvinodaro nekuti iyo naphthalene Superplasticastizer ndeyekuona siractory. Kana mvura ichidya mumiririri inowedzerwa kune iyo motsi, mvura inoderedza mumiririri yakarongedzwa pamusoro peiyo simenti zvikamu, kuitira kuti nzvimbo yetsvina ine mumwechete. Uku kudzora kwemagetsi kunobvisa chimiro chekutanga chakaumbwa nekukasira zvidimbu, uye mvura yakaputirwa muchimiro ichiburitswa, ichibva mukurasikirwa kwechikamu chekereke. Panguva imwecheteyo, yakawanikwa kuti nekuwedzera kweHPMC Zvemukati, kupatsanurana kudzikisira kweiyo nyowani yemument kana mess
Simba zvivakwa zve kongiri:
HPMC pasi pemvura isiri-inoparadzanisa kongiri inoshandiswa inoshandiswa muHighway Bridge Bridge Evideation, uye dhizaini yesimba ndeye c25. Zvinoenderana nemuedzo wekutanga, huwandu hwesimbe ndeye 400kg, huwandu hweMicrosilica is uye kubuda kweNaphthyl Superplasticastizer ndeye 8% yeiyo coment mari. , Fungidziro yekongiri mumhepo yemazuva makumi maviri nemasere ine avhareji simba re25.6mpa, uye kongiri yakadururwa pasi pemvura kwemazuva makumi maviri nemasere ane 60.4 MPA.
1. Kuwedzera kweHPMC kunooneka kudzorera zvinobatsira pamurimo musanganiswa. Nekuwedzera kweHPMC Zvemukati, iyo nguva yekufamba-famba zvishoma nezvishoma yakareba. Pasi peiyo hpmc yezvinyorwa, iyo motsi yakaumbwa pasi pemvura iri nani pane iyo motsi yakaumbwa mumhepo. Nguva yekusimbisa yekuumbwa kwenguva refu. Ichi chimiro chinofambisa pasi pemvura concrete pumping.
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3. Zviri mukati meHPMC uye iyo mvura yekuda kwemota yakadzikira kutanga uyezve yakawedzera zvakanyanya.
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5. Pane mushoma mutsauko mune iyo coment paste compen yakasanganiswa neHPMC uye isina chirevo muchimiro uye density yeiyo coment paste yekufungidzira mumvura nemhepo. Iyo sampu yakaumbwa mushure memazuva makumi maviri nemasere pasi pemvura yakasununguka zvishoma. Chikonzero chikuru ndechekuti kuwedzera kweHPMC kunoderedza zvakanyanya kurasikirwa nekupararira kwesimende panguva yekudururira mumvura, asi zvakare inoderedza kuenzanisa kwesimende. Muchinangwa, huwandu hweHPMC hunofanirwa kuderedzwa zvakanyanya sezvinobvira paunenge uchiita mhedzisiro yekusaparadzaniswa pasi pemvura.
6. Iko kusanganiswa kweHPMC pasi pemvura isiri-inoparadzanisa kongiri, iko kudzora kwehuwandu kunoenderana nekuvandudzwa kwesimba. Mapurojekiti ekuratidzira aratidza kuti kongiri yakaumbwa mumvura ine simba ratio ye84.8% yeiyo yakaumbwa mumhepo, uye mhedzisiro yacho yakatonyanya kukosha.
Kutumira Nguva: Jun-16-2023