Dzidza Zvinhu Zvinokosha Usati Waisa Mutemo.
Iwe wakagadzirira kuronga wagadzirira kugadzira konkiti here? Kana iwe uchifunga zvakadaro, funga kaviri. Iwe unogona kunge uchiraira kusakanganiswa kusakanganiswa kwekugadzira, kuderedza mari yako kana kupa chigadzirwa chisati chiri chakanaka che concrete mix design. Pano tave tanyora urongwa hwehuwandu hunobatsira huchakubatsira usati watanga kugadzira konkrete.
Ready Mix Concrete Strength
Chimwe chezvinhu zvinonyanya kukosha usati wagadzirira kugadzirira kusanganisa konkeri kuziva kuziva kunoda simba .
Kazhinji, krete yakasimbiswa inenge iri pakati pe 3 500 kusvika 4 000 psi inoshandiswa pamakumbo uye mabhesi pachikoro; pakati pe 3 500 kusvika ku5 000 psi pane zvakasimirwa mabhandi, matanda uye mabhandi; uye masvingo nematombo kazhinji zvinoda pakati pe 3,000 kusvika 5,000 psi. Kana krete isina kusimbiswa inoshandiswa simba rakasiyana ichadiwa. Kana uri kuishandisa kuburikidza nemakumbo uye masvingo, simba rekrete re 2,500 psi rinogona kuva rakakwana apo pakati pe 4,000 kusvika 5,000 psi rinodikanwa pakugadzira. Kunze kwekrete yakashandiswa pamishanduriro emusha kunofanira kurairwa nesimba rine pakati pe 3 500 kusvika 4,500 psi.
Ready Mix Concrete Aggregates
Iyo yakawanda yakawanda yakawanda inofanira kuiswawo pakurongeka kugadzirira konkrete. Kana iwe ukashandisa hukuru hwakawanda hukuru muchitanda chepamusoro apo chiyero chesimbi chiripamusoro, iwe unogona kuva mumatambudziko makuru nekuda kwehuchi. Kukura kwemahombekombe ose akaenzana kunorayirwa kunofanira kutsanangurwa neAmerican Concrete Institute Standard (ACI) uye kunobva pakatarisana kwekusimudzira simbi , mukati mezviyero zvemafomu uye magwaro akawanikwa.
Maximum aggregate haifaniri kudarika 1/5 yakanyanya kudarika mukati mefomu chimiro uye haingavi mukuru kune ¾ kuisa pakati pezve-re-bars. Kazhinji, muongorori wezvematongerwo enyika achapa nhungamiro uye nhungamiro maererano nehuwandu hwekuita.
Ready Mix Concrete Slump
Slump ndiyo kusanana kwekrete apo iri kuiswa .
Slump inofanira kutaurwa pasi kunyange zvazvo ichasiyana zvichienderana nekugadzirisa kusiyanisa, maitiro ekugadzira, uye nzvimbo yepamusoro kana nzvimbo iyo ichaiswa. Slumps zvakare yakagadzirirwa neAACI mitemo kunyange isu tinogona kukurudzira zvinotevera:
- Kuvandudza rusvingo hwheyo nehutsoka: Slump inenge iri pakati pe2 ne5 masendimita
- Footings, caissons: 1-inch minimum, 4-inch maximum
- Marabhu, matanda, mapuranga ekuvaka nekusimbisa masvingo: 3-inch minimum uye 6-inch maximum
- Pavements: 2-inch minimum and 3-inch maximum
- Heavy Mass Concrete: 1-inch minimum uye 3-inch maximum
Kuronga Ready Mix Mix Concrete
Ready Mix concrete inowanzorairwa ne cubic yards kana cubic meters. Iko inowanzogoni kununura pakati pe 9 kusvika ku11 makubhiyadhi emagetsi mashomanana kunyange zvikwereti zviduku zvingave zvakare zvinorayirwa, asi iwe uri kubhadhara zvimwe zvekusara kwegorosi risina kushandiswa. Nhamba yekrete yakarayirwa ichatarisirawo pane iyo ichaiswa uye fomu inoshandiswa. Gara uchibvumira zvimwe zvakakanganiswa krete, iyo inowanzosiyana pakati pe5 kusvika ku10 muzana yekrete yakawedzerwa. Nokuda kwenzvimbo yakagadzika mutsara, wedzera nguva yakareba mahupamhi hupamhi huwandu, mumakumbo, uye igovane nayo nemakumi maviri nemaviri. Chiyero ichocho chichava makiridhidi anodiwa ekrete inodiwa.
Paunenge uchishandura chimiro chechigunitari, chakafanana nekoroni, chiyera urefu hwacho, chiwedzere ne 3.14, ipapo nechepamusoro peyero ye cylindrical, uye ugochiparadzanisa ne 27.
Zvimwe Zvakakosha Kugadzirira Mixed Concrete Tips
Yeukawo kuziva kana iwe uri kushandisa kusanganiswa , tsanangura kuti nzvimbo yakakura yebasa iri kubva pakushamba kweganda, nguva yekuuya yekrete yaunenge uchikumbira, nzvimbo yakatarwa yemakorikiti, tsanangura kana unoda chero fiber kana plasticizer, kuti ikrete ichaiswa sei (tailgate, pump, wheelbarrow, etc.), mhepo kana kuti kwete-mix mix , chiyero chekugadzirira kusanganiswa, munhu wekubatanidza, nhamba yekiti yakakanganiswa nhamba, uye chinangwa chekrete. Pakupedzisira, zivisa bhakiti bhakiti kusima mamiriro ezvinhu ekuti kusanganiswa kwekugadzirira kuchaiswa sei (kutsetsereka, kutarisa denga, nzvimbo shoma, pasi, denga) kana chero ruzivo rwakakosha runogona kukanganisa purogiramu yekudururira.