Lightweight Concrete Additives | High-Performance Foaming Agents for Cellular Concrete
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Mhedziso yeConcrete Admixture PVA Fiber yeUltra High Performance Concrete UHPC Elements
Concrete Admixture PVA Fiber yeUltra Yakakwirira Performance Concrete UHPC Elements ndeyekemikari yakasanganiswa yakawedzerwa kune kongiri musanganiswa kuti uvandudze akasiyana zvivakwa zvezvinhu., zvakadai sekushanda, simba, durability, uye nguva yekuzorora. Izvi zvinowedzera zvinosanganisira plasticizers, retarders, accelerators, kudzivirira mvura, uye air-entraining agents, imwe neimwe yakagadzirirwa kusangana nezvinodiwa chaizvo mukugadzirwa kwekongiri. Concrete additives inowanzo shandiswa mune zvese zvekutengesa uye zvekugara kuvaka, pamwe chete nekugadzirwa kweprecast uye yakagadzirira-kusanganisa kongiri. Nekusimudzira kushanda uye kunaka kwekongiri, izvi zvinowedzera zvinobatsira kuvandudza kushanda kwese kwemapurojekiti ekuvaka uku uchisimbisa kusimba uye hupenyu hurefu hwechimiro chakapedzwa.. Izvo zviri nyore kuisa mumusanganiswa uye zvinopa mhinduro dzinodhura dzekugadzirisa kongiri zvivakwa mumhando dzakasiyana dzekushandisa..
Hunhu hweConcrete Admixture PVA Fiber yeUltra High Performance Concrete UHPC Elements
Kuwedzerwa Simba: Concrete additives inogona kuwedzera zvakanyanya simba rekumanikidza rekongiri, zvichiita kuti zviwedzere kugadzikana kumanikidziro uye kushungurudzika. Izvi zvinovimbisa hupenyu hurefu uye kusimba kwezvivakwa, kuderedza mukana wekutsemuka kana kukundikana.
Kuvandudzwa Kwekushanda: Zviwedzere zvakadai seplasticizers uye superplasticizers inovandudza kuyerera uye kuenderana kwekongiri, zvichiita kuti zvive nyore kubata, kudurura, uye kupedza. Izvi zvinowedzera kubudirira panzvimbo yekuvaka uye zvinoderedza mari yevashandi.
Kurumidza Kurapa: Accelerators, rudzi rwekongiri yekuwedzera, kubatsira kukurumidza kupora, kubvumira kukurumidza kuseta nguva uye nekukurumidza kupera kwemapurojekiti. Izvi zvinonyanya kukosha mukutonhora kwemamiriro ekunze kana kana uchimhanyisa-kutevera nguva dzekuvaka.
Kuwedzera Kusimba: Zvizhinji zvinowedzera, sezvishandiso zvinoderedza mvura uye makemikari ekudzivirira mvura, wedzera kuramba kwekongiri kune yakaoma mamiriro ezvakatipoteredza akadai sechando-thaw cycles, mvura ingress, uye kuratidzwa kwemakemikari, kuve nechokwadi chekuita kwenguva refu.
Zvirinani Adhesion uye Bonding: Zvimwe zvinowedzera zvinovandudza kubatana pakati pekongiri uye zvimwe zvinhu, sekusimbisa simbi kana aggregates, kusimudzira kuperera kwechimiro chese uye kuderedza mikana yeku delamination kana kupatsanurwa.
Kusiyana-siyana KwemaApplication Akasiyana: Concrete additives inonyanya kushandiswa uye inogona kushandiswa mumhando dzakasiyana-siyana dzekushandisa, kubva pazvivakwa zvekugara kusvika kumapurojekiti makuru ezvivakwa. Izvo zvinogadzirwa kuti zvizadzise zvidikanwi zvakananga zvakadai sekongiri yakakwirira-yakasimba, self-compacting kongiri, kana kongiri yakasimba yemamiriro akanyanya.
Mari-Inoshanda: Nokuvandudza kunaka uye kushanda kwekrete, additives kuderedza kudiwa kwekuwedzera kugadzirisa nekugadzirisa, zvichiita kuti mari ichengetwe zvakanyanya munguva refu. Uyezve, vanobatsira optimize musanganiswa dhizaini, kuderedza kutambisa zvinhu.
Kushamwaridzana Nezvakatipoteredza: Mazhinji emazuva ano kongiri ekuwedzera anogadzirwa ne eco-inoshamwaridzika zvimisikidzo, zvichibatsira kune dzimwe nzira dzakasimba dzekuvaka. Izvi zvinowedzera zvinobatsira kuderedza kabhoni tsoka uye kugadzirisa kwezvakatipoteredza kuita kwekongiri.
Enhanced Surface Pedzisa: Zviwedzerwa senge air-entraining agents zvinogona kuvandudza kupedzisa uye kutaridzika kwekongiri nekudzivirira kuremara sekuputika, huchi, kana kuputira guruva, kuve nechokwadi kuti yakatsetseka, nyanzvi-giredhi pamusoro.
Tsanangudzo yeConcrete Admixture PVA Fiber yeUltra High Performance Concrete UHPC Elements
Zvinodiwa zvePVA Fiber yeUltra-High Performance Concrete (UHPC)
Fiber Type uye Material
The admixture consists of polyvinyl alcohol (PVA) fibers . Mafibisi aya ndeekugadzira, isingabatanidzi, uye yakanyatsogadzirwa kuti ishandiswe mu-ultra-high performance kongiri. Iwo haasanganisi chero rudzi rwezvinokuvadza zvinowedzera kana machira anogona kunetesa bond stamina nekongiri matrix..
Hunhu Hwenyama
Size : 6 mm kuti 12 mm
Size : 20 ku 40 micrometers
Kusimba simba : Minimum 1,200 MPa
Elastic modulus : Kwete zvishoma pane 30 Grade point average
Ukobvu : Around 1.3 g/cm ZVISHANU.
Imwe neimwe fiber yakatwasuka uye monofilament, kuve nechokwadi chekupararira kweyunifomu panguva yekusanganiswa.
Kunyatsoshanda Zvakanakira
PVA fibers considerably enhance the durability , ductility , and fracture resistance of UHPC components. Ivo vanobatsira kudzora micro-kutsemuka panguva yezera rekutanga kuderera uye kugadzirisa post-kuparuka maitiro pasi pematani. Fibers dzinogadzira dense, matatu-dimensional network mukati mekrete, iyo inowedzera kunyura kwesimba uye kukanganisa kupikisa.
Kusanganiswa uye Dosage
Advised dose marudzi kubva 1.0% ku 2.0% by volume of the overall mix. Wedzera mafibhi zvishoma nezvishoma mukati mekuita kusanganisa kuti ugare wakajeka kubva kune clumping. Shandisa high-shear mixer kuti uone zvakare kutenderera. Usapfuure iyo yakanyanya dosage kunze kwekunge yasimbiswa nemabhechi ekuedzwa.
Kugarisana
Aya PVA fibers anoshanda zvakanaka neakajairwa UHPC zvikamu, kusanganisira Rose city kongiri, silika fume, jecha requartz, uye zvidzikisira zvemvura zvakakwirira. Hapana maitiro asina kunaka emakemikari anoitika kana ashandiswa sekurairwa. Gara uchiita bvunzo diki-diki yakatarwa isati yakwana kugadzirwa kuratidza kushanda uye kuita.
Nzvimbo yekuchengetera uye Kubata
Tenga fiber mune yakaoma, nzvimbo huru kure nechiedza chezuva. Chengetedza kurongedza kwechigadzirwa kwakachengetedzwa kusvika kushandiswa kudzivirira kukwira kwemwando. Tonga nemaitiro akajairwa ekuchengetedza kutengeserana– shandisa zvivharo zvezvipfeko zvemaoko uye kudzivirira maziso paunenge uchidira kana kusanganisa.
Zvishandiso zveConcrete Admixture PVA Fiber yeUltra High Performance Concrete UHPC Elements
Zvishandiso zveConcrete Admixture PVA Fiber muUltra-High Performance Concrete (UHPC) Aspects
Nei Uchishandisa PVA Fiber muUHPC?
PVA (polyvinyl doro) fiber ndiwo musanganiswa wakakosha wakashandiswa mune yekupedzisira-yakanyanya kushanda kongiri (UHPC). Inowedzera zvakanyanya kuoma kwezvinhu, ductility, uye kuramba kutsemuka. Kusiyana nemhando dzesimbi dzesimbi, PVA fibers haiparadzi. Izvi zvinoita kuti zvive zvakanaka kune zvivakwa zvakaratidzwa kune kunyorova kana kuomarara zvigadziriso.
Makiyi Perks muKushandiswa Kwepasirese
Kana yakasanganiswa muUHPC, PVA fibers aid manage micro-cracking throughout very early curing phases. Vanowedzerawo maitiro e-post-crack. Izvi zvinoreva kuti kunyange kana kupatsanurwa kwakasiyana, kongiri inogona kuunza mutoro pasina kutadza kusingatarisirwi. Mhedzisiro yakachengeteka, more resilient framework.
PVA-yakasimbiswa UHPC inowanzo shandiswa mutete-shell yekuvaka mapaneru., bridge decks, uye precast zvikamu. Aya maapplication anotora mukana wekusimba kwechigadzirwa chakanyanya uye kunaka kwepamusoro pekuvhara. Vavaki vemba vanoisarudzawo sebasa rekugadzirisa pazvivakwa zvinokura nekuda kwekuti inosunganidza zvakanaka nekongiri yekare uye inomira kuti iwedzere kukuvara..
Kubudirira muKuda Mamiriro ezvinhu
Munzvimbo dze seismic, UHPC ine PVA fiber inopa zvirinani kunyura simba panguva yekudengenyeka. Kuchinjika kwayo kunoderedza kutyisidzira kwebrittle crack. Zvemabasa emumvura kana emugungwa, iyo isiri-corrosive yePVA inoita kuti huve hurefu hwehupenyu hwesevhisi pasina nyaya dzekugadzirisa dzakasungirirwa kune ngura.
Vagadziri vakakodzera PVA fiber kuitira nyore kwayo kusanganisa uye yunifomu kutenderera mune kongiri matrix. Inoshanda zvakanaka nezvimwe zvakasiyana-siyana zveUHPC senge silica fume uye superplasticizers. Chigadzirwa chekupedzisira chinoramba chiri nyore panguva yekuiswa asi chinowana chakatanhamara chekugara kana zvekutengesa zvivakwa mushure mekugadzika.
Pamusoro pazvo, PVA fiber inoshandura UHPC kubva kune yakasimba asi inotyoka chigadzirwa kuita inopokana, high-performance composite matched for modern design challenges. Basa rayo rinoramba richikura sezvo vagadziri vanotsvaga kureruka, mutete, uye mamwe anogara echivakwa sarudzo.
Profile yekambani
Isu tiri mutungamiri wepasirese mune lightweight kongiri uye advanced enjiniya foam mhinduro. Inozivikanwa pasi rose nekuzvipira kwayo kutsvaga, innovation, uye hunyanzvi hwekushandisa, tanga tichipa zvigadziriso zvefuro kubva kutanga kwa2012.
Isu tinokwanisa kupa yemhando yepamusoro kongiri musanganiswa uye foam kongiri ine hukama zvigadzirwa pasi rese.
Iyo kambani ine dhipatimendi rehunyanzvi tekinoroji uye dhipatimendi rekutarisa mhando, rabhoritari yakanyatsogadzirwa, uye yakashongedzerwa nemidziyo yekuyedza yepamusoro uye mushure mekutengesa kwevatengi sevhisi nzvimbo.
Kana uchifarira, ndapota inzwa wakasununguka uye taura nesu.
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5 FAQs yeConcrete Admixture PVA Fiber yeUltra High Performance Concrete UHPC Elements
Mibvunzo Inowanzo bvunzwa Nezve PVA Fiber yeUHPC
Chii chinonzi PVA fiber inoshandiswa muUHPC?
PVA (polyvinyl doro) fiber inowedzerwa kuUltra-High Performance Concrete (UHPC) kuvandudza kuoma kwayo uye kusagadzikana kwekutsemuka. Inobatsira kubata kongiri pamwe chete kunyangwe mushure mekutsemuka fomu, izvo zvinoita kuti chigadzirwa chekupedzisira chive chakachengeteka uye chakasimba.
Sei uchisarudza PVA fiber pane mamwe mafiber?
PVA faibha zvisungo zvakanaka nesamende matrix muUHPC. Iyo haina corrode senge simbi fiber uye inopa kutonga kuri nani pamusoro pekupwanya kwe shrinkage. Kurapa kwayo kwepamusoro kunovimbisawo kunamatira kwakasimba, kupa UHPC kuenderana kuita pasi pekunetseka.
Yakawanda sei PVA fiber inofanirwa kushandiswa muUHPC musanganiswa?
Iyo yakajairika dosage inotangira kubva 1% ku 2% nehuwandu hwehuwandu hwakasanganiswa. Huwandu chaihwo hunoenderana nesimba rinodiwa, ductility, uye kushandisa. Gara uchitevera nhungamiro yemugadziri kana mhanyisa mabhechi madiki ekuedza kutanga.
Ko PVA fiber inokanganisa kushanda?
Ehe, kuwedzera PVA fiber inogona kuderedza kushanda nokuti mafiber anowedzera kupesana kwemukati. Kuchengeta musanganiswa nyore kuisa uye compact, iwe ungada kugadzirisa zvinyorwa zvemvura kana kushandisa high-range water reducer.
PVA fiber inogona kushandiswa mumhando dzese dzeUHPC zvinhu?
Ehe, PVA fiber inoshanda nemazvo mumazhinji UHPC application, kusanganisira mapaneru matete, precast matanda, uye architectural cladding. Zvinonyanya kubatsira apo yakakwira tensile strain capacity uye yakanaka kupera kwepamusoro kunodiwa. Ita shuwa dhizaini yako yemusanganiswa inoenderana nezvinodiwa zvechimiro.
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