Mitemo yeShotcrete uye General Tips Apo Inoshandisa Gunite
Gunite chibereko chakagadziriswa senzira yekugadzirisa tunanu, zvivako zvepasi, kutsetsereka kwakadzika , kugadziriswa kwemaitiro, uye madziva. Gunite igomba rinoshandiswa pneumatically pamusoro pepamusoro pakakwirira. Gunite kana kuti shotcrete zvinhu zvinodhaka kana zviduku-aggregate konkire inoshandiswa uchishandisa mvura yakaoma kana yakaoma. Kana pfuti pfuti yakashandiswa, inotanga kushanda pamwe chete nekugadzirisa pamwe chete.
Gunite Kubatsirwa
Gunite inopa zvimwe zvinobatsira pamusoro pekrete yekrete yakadai se:
- Ichaiswa uye yakasimbiswa panguva imwe chete.
- Gunite maximum aggregate size inowanzoitwa 3/8 ", iyo inobatsira kuvandudza unhu uye inovandudza kutarisa.
- Shotcrete inonamatira kune zvisikwa zviri nani kudarika kereniti yenguva dzose.
- Chiyero chemvura chepasi-cementitious kupfuura inowanzowanika mumasvingo ekugara.
- Shotcrete inogona kushandiswa nesimbi fiber iyo inoshandiswa senzvimbo yekutsvaga welded wire mesh
- Apo michina yesimbi yakashandiswa mu shotcrete, zviri nani kuchinja simba, ductility, uye kuoma kunowanikwa.
- Iko inowanzopa mari shoma kana ichienzaniswa nekodhorokrete.
- Inopa shrinkage shoma uye pasi pekugadzirisa.
Mutengo we shotccrete uri pedo ne $ 180 kusvika $ 190 per cubic yard. Iyi mari inosanganisira zvinhu uye kugadzirwa kwekrete apo basa rakaparadzana. Yeuka izvi zvose zvinogona kuchinja zvichienderana nehukuru, kudzika, uye chimiro chekugadzirisa kuri kuitwa.
Gunite Applications
Gunite kana shotcrete inogona kushandiswa mune zvinotevera:
- Slope stabilization
- Dome Construction
- Tunneling
- Kuchengetwa masvingo
- Matangi emvura nemadziva
- Masango echigadzirira
- Ditches uye Channels
- Sangano rekusimudzira
- Mining applications
- Dikes nemadzimai
Gunite Types: Dry Shotcrete kana Wet Shotcrete
Shotcrete inogona kunge yakaoma-inoshandiswa kana inoshandiswa mvura.
Iyo yakaoma shotcrete nzira inoshandiswa apo zvinoshandiswa zviiswa muhombodo ndokubva zvasimudza kunze kwepneumatically kuburikidza nehosi kusvika kumhara. Ikozhe kana munhu anozivikanwa ndiye anodzora kuwedzerwa kwemvura paharasi iyo yaizopedzisira yakabatanidzwa kana chinhu ichocho chikawira pasi. Kana iwe uri kushandisa yakaoma shotcrete, iwe uchave wakabatsirwa nekugadzirisa zvinyorwa zvemvura zviri kuiswa mumusanganiswa pakarepo nekubvumira kuti zviri nani kuiswa kunze kwekuda kwekuwedzera accelerators . Iyo ndiyo nzira yakakurudzirwa kana nzira yacho inosanganisira nguva dzose inomira panguva yekushanda.
Wet-mix shotcrete ndiwo rudzi rwekushandisa iro rinowanzoshandisa konti yakagadzirwa kana yakagadzirwa-yakagadzirwa konkrete . Mhepo yakamanikidzika inoshandiswa pamushonga wokufambisa musanganiswa wakaita pamusoro pekugamuchira. Iyi ndiyo nzira inowanzoshandiswa zvikuru sezvo inobereka zvishoma kudengenyeka uye guruva richienzaniswa nekaoma-mix mix process . Kubudirira kukuru kwemvura inosanganiswa ndeyekuti mabhuku makuru anogona kuiswa munguva shoma.
Shotcrete General Tips
Heano mamwe mazano akanaka uye ruzivo rwehuwandu hwaunoda kuziva usati washandisa shotcrete.
- Nhengo dzepamusoro dzinofanira kugadzirwa sokunge iwe uri kuisa konkrete nguva dzose.
- Shotcrete inogona kushandiswa kugadzirisa nzvimbo dzekrete kunze kwekudikanwa kwekuita sangano rinosungirirwa rinoshandiswa kumusoro richigadziriswa. Zvisinei, iva nechokwadi chekubvisa zvinhu zvose zvakasununguka uye uchenese nzvimbo usati washandisa.
- Gunite inoda kuporeswa zvakare. Mvura inonyororeswa ndiyo nzira inoshandiswa yekurapa kana inogonawo kuitwa kuburikidza kushandiswa kwemajeri ekurapa mishonga.
- Kubudirira kubudirira kunoenderana zvikuru neunyanzvi uye zviito zvebizi. Nokuda kwechikonzero ichi, zvakakosha kudikanwa kuti benzi iri ACI yakavimbiswa nokuda kwekushandiswa.
- Shotcrete inofanira kuchengetwa zvakare. Yeuka kushanda zvakanaka pamusoro pechisimbiso uye kubvisa chero chinhu chipi zvacho chingaita kuti kuipa kwepasi kuwedzere.
- Kune maitiro akasiyana akasiyana-siyana anogona kushandiswa kusvika pakupedzisira kwepuraneti.
- Izvo zvakafanana nesimbi yekusimbisa zvinodiwa zvinogona kushandiswa paikanda-in-place konkire, precast concrete kana shotcrete.
- Shrinkage yakasiyana inowanikwa kubva ku06 kusvika ku10.10% mushure memazuva makumi mana apera. Iko inowanzokwirira zvishoma kudarika simba rakafanana rekrete
- Shotcrete inoda kudzivirirwa kubva mumvura kusvikira yawana sarudzo yayo yokupedzisira, kazhinji 4 kana maawa mashanu. Kutevera chigadziro chekupedzisira, chinofanira kunge chichirapa kwemazuva mana, zvichida mazuva manomwe kana zvichibvira.
- Kuyera moto wekrete yekrete yakagadzirwa ne shotcrete kana konkrete nguva dzose ichave yakafanana.