Video: Cov neeg Loos puas siv pob zeb?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Lub Secrets ntawm Ancient Roman pob zeb . Lawv pom tias cov Romans ua pob zeb los ntawm kev sib tov txiv qaub thiab volcanic pob zeb los ua ib tug mortar. Txhawm rau tsim cov qauv hauv qab dej, cov mortar thiab volcanic tuff tau ntim rau hauv cov ntawv ntoo.
Ib yam li ntawd, cov neeg Loos puas tau tsim cov cement?
Cov Romans ua ntej invented niaj hnub no peb hu ua hydraulic cement -raws li pob zeb . Lawv ua tau ntau heev pob zeb cov qauv, suav nrog Pantheon hauv Rome, yog ib qho piv txwv zoo tshaj plaws ntawm Roman architecture uas muaj sia nyob rau niaj hnub no, uas muaj 42-meter-inch dome ua los ntawm poured pob zeb [1].
Qhov thib ob, puas yog Roman pob zeb zoo dua? Raws li nws hloov tawm, tsis tsuas yog yog Roman pob zeb ntau ruaj tshaj qhov peb tuaj yeem ua tau niaj hnub no, tab sis nws yeej muaj zog dua lub sijhawm. Niaj hnub nimno pob zeb feem ntau yog ua nrog portland cement , sib tov ntawm silica xuab zeb, limestone, av nplaum, chalk thiab lwm yam khoom xyaw melted ua ke ntawm blistering kub.
Puas yog Roman pob zeb tseem siv niaj hnub no?
Niaj hnub nimno pob zeb - siv nyob rau hauv txhua yam los ntawm txoj kev mus rau lub tsev mus rau choj - tuaj yeem tawg hauv tsawg li 50 xyoo. Tab sis ntau tshaj li ib txhiab xyoo tom qab sab hnub poob Roman Empire crumbled rau plua plav, nws pob zeb cov qauv yog tseem sawv.
Cov neeg Loos ua li cas ua vaj tse tsis muaj dej?
Lawv nrhiav tau qhov ntawd Roman engineers siv ib tug sib tov ntawm volcanic tshauv, seawater thiab txiv qaub, uas teem tawm ib tug tshuaj tiv thaiv uas muaj zog cohesion nrog raug rau seawater, txawm tom qab lub pob zeb muaj technically teem. Qhov no "pozzolanic cov tshuaj tiv thaiv" ua rau tsim muaj cov muaju hauv qhov khoob ntawm qhov pob zeb.
Pom zoo:
Koj puas tuaj yeem khiav cov kab roj hauv qab lub pob zeb pob zeb?
Raws li IFGC Cov Lus Qhia, koj tuaj yeem nruab cov kav dej hauv cov pob zeb ua pob tsuas yog nws tau nruab rau hauv qhov qhib channel lossis kaw cov kav dej uas tsis muaj corrosive. Qhov tsuas yog kev sib tham txog qhov loj me yog hais txog cov kav dej txuas ntxiv tsawg kawg 2 ″ dhau los ntawm cov nplais thiab cov kav dej tuaj yeem kaw nruj nreem
Kuv puas tuaj yeem ua cov pob zeb ua pob zeb?
Qhob yog cov khoom ntxeem tau, uas ua rau nws nyuaj rau cov kua nplaum rau ntawm qhov chaw. Koj yuav tau txais txiaj ntsig zoo tshaj plaws nrog cov ntaub ntawv rougher, xws li cov pob zeb ntxiv, ntoo, ntaub lossis yas, tab sis yuav luag txhua yam yuav lo rau pob zeb nrog cov kua nplaum zoo. Koj tuaj yeem nplaum ze li ntawm txhua yam khoom siv rau lub pob zeb
Koj puas tuaj yeem muab cov pob zeb zoo nkauj tshaj cov pob zeb uas twb muaj lawm?
Koj tuaj yeem ua pob zeb tsuas yog thaum nws tseem ntub los ntawm lub ncuav. Txhawm rau ntxiv kev ntxhib los mos rau lub patio uas twb muaj lawm, ncuav ib txheej tshiab ntawm pob zeb tshaj qhov qub thiab stamp nws, muab cov patio uas twb muaj lawm yog qhov zoo. Koj tuaj yeem ua rau pom qhov zoo ntawm cib ua haujlwm dhau ntawm qhov chaw ua vaj tse tshiab
Qhov twg yog cov pob zeb pob zeb siv?
Tshawb xyuas ob peb txoj hauv kev uas koj tuaj yeem siv cov pob zeb ua vaj tse rau tsev, ua haujlwm, lossis ua si. Thaiv phab ntsa. Qhob thaiv phab ntsa yog siv rau ntau yam laj thawj. Kev ruaj ntseg Barriers. Cov pob zeb ua pob zeb kuj tseem siv tau los ua kev thaiv kev ruaj ntseg. Tswj kev tsheb. Cov khoom ntim khoom. Tent Tie-Downs
Koj puas tuaj yeem siv pob zeb ua pob zeb ua hauv pem teb?
Plain pob zeb slabs tau ua cov khoom siv hauv pem teb rau hauv qab daus, garages, patios, thiab cov chaw siv hluav taws xob tau ntau xyoo, tab sis tam sim no cov pob zeb tseem yog cov khoom siv hauv tsev, qhov twg nws tuaj yeem polished, etched, lossis stained los ua tiav. flooring nto