Roller compacted konkrete kana RCC pakutanga yakanga iine rutivi rwemigwagwa yepamigwagwa uye mafirimu emhepo, iyo inonzi maonda krete kana yakaoma yakakitikrete. Iko rudzi rwekrete rwakave rwakafarirwa zvikuru nekuda kwekuti icho chinhu chakareruka kuti chigadzire uye nokuti chinogona kuiswa nokukurumidza apo ichigadzira nzvimbo huru. RCC mix inogadzira sendimu yakashata, inenge 110 kusvika 120 kg / m3, uye inoshandisa yakashambadza yakawanda yemhando yakagadziriswa uye yakatsanangurwa neAmerican Concrete Institute (ACI) pane chikamu 207.5R-89 sekrete yakanyatsorongedzwa nevashambadziri.
Mariro uye Nyanzvi Dzakashandiswa kuRotler-Compacted Concrete
Iyo nzira yeRCC pachayo ichaderedza mari yako yekuvaka sezvo pasina chido chekushandisa mapanduki kana mafomu, uye nzira yekushanda iri nyore uye inogona kuitwa nokukurumidza. Sevhareji, mari yega yega yeRCC inenge $ 75 per cubic yard apo mari yeHot-mix mix Asphalt yekutengesa inenge madhora makumi mana negumi rimwe nerimwe, saka iwe uchatotanga kuona kuti pane mari yekushandisa kushandisa RCC. Kwete izvozvo chete, kune zvimwe zvigadzirwa zvinoshandiswa kuvandudza RCC pamusoro uye zvinoshandiswa kune RCC mix monga RCC Surface Pro iyo inovandudza maitiro ehupenyu nekusimba apo ACEiT kusanganiswa kunogona kuvandudza kushanda.
RCC Kuisa Mazano
Tevera mazano aya anobatsira kuti zvive nani:
- Mvura zhinji inofanira kunyatsoongororwa uye hapana mvura inogona kuwedzerwa kana yakasanganiswa zvakakwana
- Dump motokari inowanzoshandiswa kuisa konkrete pamwe chete nemapuraneti
- RCC ichaiswa mukati memaminitsi makumi matanhatu, zvisungo zvingadai zvine matambudziko gare gare
- A 4-inch couche iyo inofanira kunge yakasvibiswa nekusvibisa uye inenge 10 masendimita yakareba inofanira kunge yakareba iwe unogona kuenda pane imwe chete kusimudza.
- RCC ichabatanidzwa kusvika ku 98% Proctor yakashandurwa
- Ikrete inofanira kupedzwa neine midziyo yakawanda yesimbi
- Zvigunwe zvichava zvitsva uye zvine mvere kuti zvibatanidze kune chikamu chinotevera chekrete
- Kuona kucheka kunenge kwasvika pamasendimita masendimita masendimita masendimita masendimita uye zvakapetwa kanenge kaviri kuwanda kwechikamu, mumakumbo.
Roller-Compacted Concrete (RCC) Makomborero
Simba guru reRCC pavements rinobvisa matambudziko anowanzosvibiswa uye anodhura anowanzobatanidzwa neasphalt pavements. Zvimwe zvekubatsira kwekushandisa Roller Compacted Concrete ndezvi:
- Hapana chikonzero chekushandisa mafomu
- Rebar haadi
- Inopa simba guru
- High Volume Placement
- Inogona kushandiswa semugwagwa mushure maawa makumi maviri nemaviri ekuiswa
- Span soft softened subgrades
- Hazvizovhiringidziki nemafuta, kupisa uye / kana hydraulic fluids
- Inogona kudzivisa kutonhora kwakakwirira
Kubatsirwa kweR Roller Compacted Concrete (RCC)
Iyi sarudzo yakakosha inogona kushandiswa kuchengetedza migwagwa yakazaruka uye yakawanda yeRCC inogona kuiswa nyore nyore. Kazhinji, RCC ichave yakasanganiswa pazvivako zvekuvakwa kana kuti pedyo, uye inotakuriswa uchishandisa mabhazi emarara uye yakaiswa mumasipirini emasipiresi. Zvadaro RCC inogona kuiswa mumhizha yemamita anenge makumi mana paupamhi uye 10 masendimita yakareba. Kuiswa kwekrete kunoumbwa kwezvikamu zvinopfuurira uye kunosimbiswa ne vibrating rollers. Zvimwe zvipo ndezvi:
- Deredza kushandiswa kwemasimusi sezvo svinje yekrete yakasanganiswa inogona kushandiswa.
- Formwork cost inoderedzwa kana kubviswa nekuda kwekuisa nzira yekuisa.
- Hapana kunetseka pamusoro pekupisa kwekudzikinura apo krete iri kuoma.
- Mutengo wekutakura, kuiswa, nekugadzirisa kwekrete kunoderedzwa nokuti konkiti inogona kuiswa neyamarara matori; inoparadzirwa ne-bulldozers uye yakabatanidzwa ne vibratory rollers.
Nzira Yokugadzirisa Roller Concrete
Kana imwe chigadzirwa chave chaiswa, kushandiswa kwekugadzirisa kunofanira kutanga kusvikira kona yekrete inosangana nehuwandu hwezvinoda. Mvura inoporesa mvura kana kudiridza inofanira kushandiswa kuchengetedza konkiti yakanyorova uye kugovera nzvimbo yakanyorova. Kuti zvive zvakanaka, zvinosanganiswa nekrete zvinofanira kunge zvakaoma zvakakwana kuti zvidzivirire kunyura kwechifukidzo chinogadzirisa.
Izvi zvinobvumira makemikari anoita izvo zvinokonzera krete kuoma uye kuwana simba kutanga nekuzadza. Kana imwe yaporeswa, nzvimbo yepamhanda yakagadzirira kushandiswa asi dzimwe nguva imwe yepamusoro yeasphalt pamusoro inoshandiswa pamusoro pekrete yekuwedzerwa kubwinya kana sekutasva kwepamusoro kwepamusoro-famba.
Ndinogona Kushandisa RCC PaIndaneti Yangu Yokuvaka?
Kazhinji kutaura, hongu, inogona kushandiswa panzvimbo yako, uye kune kuwedzerwa kwekudiwa kwekodhi-yakagadzirwa krete munguva pfupi mumapurogiramu ega ega uye evanhu. Kunyange zvazvo RCC yakashandiswa uye inenge ichinge iri mune imwe dzimba dzokuvaka nedhamu uye kugadziriswa kwemadzimai aripo, inogona kushandiswa pane zvinotevera:
- Nzira
- Highway shoulders
- Kupakira nzvimbo
- Zvivako
- Ports
- Multi-modal yards
- Kupararira nzvimbo
- Dams