Iyo madota inokonzerwa nemazimbe emashonga emasha anopisa anopa zvakanakisisa zvinyorwa zvinoshandiswa mumasendi akabatanidzwa, mairai e-mosaic, uye matombo asina kuvhara pakati pevamwe.
Fly ash inogona kunge inoshandiswa mari inodhura yePortland samente mukrete kunyange zvazvo iri kushandisa iyo inovandudza simba, kusarura, uye nyore kwekukanda konkrete. Mutengo wechinzvimbo chinowanzonzi ndewe 1 kusvika 1 ½ pounds yemhepo inobhururuka kusvika 1 pound yesente. Kunyange zvakadaro, mari yakawanda inofanira kudurirwa kuti igare yakagadzirwa nemhepo inobhururuka yemhepo.
Fly Ash Applications
Fly ash rinogona kushandiswa sechinhu chikuru mumatombo, paving kana zvidhina ; zvisinei, chimwe chezvinhu zvinonyanya kukosha ndeyePCC pavement. PCC pavements inoshandisa yakawanda yekrete uye kushandiswa kwemhepo inopisa kunopa hupfumi hunokosha. Fly ash yave ichishandiswawo kumigwagwa uye kufambisa uye zvangu zvizadza, uye kugamuchira kugamuchirwa nehurumende yeHurumende, kunyanya Federal Federal Administration.
Fly Ash Drawbacks
Vavaki vadziki uye vavakadzi veimba havasi ivo vanoziva nemhando dzemhepo dzinopisa dzinogona kuva nezvinhu zvakasiyana siyana zvichienderana nekuti sei uye sei yakawanikwa.
Nokuda kwechikonzero ichi, kubhururuka kushandiswa kwemhepo kunosangana nekupikiswa kubva kuvaki vechidimbu pamusana pemaitiro ayo ekugadzirisa pamwe chete nezvinetso zvakanyanya pamusoro pekushanda / kushandiswa kwebasa.
Zvimwe zvinonyanya kukosha pamusoro pekushandisa shisa ash concrete zvinosanganisira:
- Kuwana simba zvishoma.
- Kupera kwemwaka.
- Kuwedzerwa mumhepo-kudzidzisa admixtures.
- Kuwedzerwa kwemunyu kuwedzera kunobudiswa nepamusoro yemafuta.
Fly Ash Benefits
Fly ash inogona kunge inobhadhara mari inoshandiswa muPortland samamwe mune dzimwe misika. Pamusoro pezvo, kupisa madota kunogona kuonekwa senzvimbo yakashamwaridzana yakagadzirwa nokuti yakagadzirwa uye ine simba risina simba. Iko inowanikwawo muviri mavara, uye mavara mavara anokwanisa kuwedzerwa panzvimbo yebasa. Mukuwedzera, kupisa madota kunodawo mvura shoma kudarika samapuranga ePortland uye zviri nyore kushandisa muchando mamiriro okunze. Zvimwe zvipo zvinosanganisira:
- Inogadzira nguva dzakasiyana dzakagadzirirwa.
- Cold weather resistance.
- Simba rakakwirira rinopfumisa, zvichienderana nekushandiswa kwayo.
- Inogona kushandiswa sekusanganiswa.
- Inogona kutora nzvimbo yePortland samende.
- Inofungidzirwa sechinhu chisingaregi.
- Inobereka denser konkire uye nzvimbo inobwinya ine tsvina yakajeka.
- Great workability.
- Inopedza zvinetso zvinoputika, kuperera, uye kubuda ropa
- Inoderedza kupisa kwe hydration.
- Unobereka chidimbu chemvura / cement yepamusoro yezvinyorwa zvakafanana kana zvichifananidzwa nekusasa kupisa zvinosanganiswa.
- Inoderedza kubudisa CO2.
Fly Ash Types
Pari zvino, zvinopfuura 50 muzana yekrete yakaiswa muUnited States inobhururuka madota. Nhamba yezviyero zvinokera zvichienderana nerudzi rwemhepo inopisa uye reactivity yepamusoro. Kazhinji, Kirasi F inopisa madhishi inoshandiswa pamadhesiti e15 kusvika ku25 muzana nehuwandu hwezvigadzirwa zvemaketiti, uye Chikamu C inopisa madota kusvika 15 kusvika ku40 muzana.
Kirasi F inobhururuka, ine zvikamu zvakafukidzwa nemhando yegirazi yakanyunguduka, inoderedza zvikuru njodzi yekuwedzera nemhaka ye sulphate kurwisa sezvingaitika muminda yakasimwa kana pedyo nemhenderekedzo yegungwa. Kirasi F inowanzoita-calcium inobhururuka madota nemakerubhi zviri mukati ma5 kubva muzana asi dzimwe nguva zvakakwirira kupfuura 10 muzana. Kirasi C inopisa mhepo inopesana nekuwedzera kubva kumakemikari kurwisa, ine yepamusoro yezana ye calcium oxide, uye inowanzoshandiswa pakugadzirisa konkrete. Kirasi C inopisa madhishi inowanzoumbwa nepamusoro-calcium inobhururuka madota nemakisi anogadzirwa pasi pe2 peresenti.