Nyob rau hauv Nruab Nrab Hnub nyoog, kev siv tshuab ua vaj tse rov qab. Tom qab lub caij nplooj zeeg ntawm Roman faj tim teb chaws nyob rau hauv 476 AD, cov tswv yim rau kev ua pozzolan cement tau ploj mus txog rau thaum nrhiav tau nyob rau hauv 1414ntawm cov ntawv sau piav txog cov txheej txheem no rov qab txaus siab rau lub tsev nrog pob zeb.
Leej twg yog thawj zaug nrhiav pom?
600 BC – Rome: Txawm hais tias cov neeg Loos Ancient tsis yog thawj tus tsim pob zeb, lawv thawj zaug siv cov khoom no thoob plaws. Los ntawm 200 BC, cov neeg Loos tau ua tiav kev siv cov pob zeb hauv feem ntau ntawm lawv cov kev tsim kho. Lawv siv cov hmoov tshauv volcanic, txiv qaub, thiab dej hiav txwv los ua kev sib xyaw.
Thaum twg yog pob zeb thawj zaug siv hauv UK?
thawj qhov kev siv loj ntawm pob zeb hauv 19th caug xyoo Tebchaws Askiv yog Sir Robert Smirke ntawm Millbank Penitentiary, uas tau tsim los ntawm 1817 thiab 1822; Nws underset cov phab ntsa nrog txiv qaub pob zeb rau qhov tob ntawm 3.7–5.5m.
Thaum twg yog pob zeb tsim Rome?
Roman pob zeb lossis opus caementicium tau tsim nyob rau hauv lig xyoo pua 3 BC thaum cov neeg tsim khoom ntxiv cov hmoov av hluav taws xob hu ua pozzolana rau mortar ua los ntawm kev sib xyaw ntawm txiv qaub lossis gypsum, cib lossis pob zeb. daim thiab dej.
Yuav ua li cas yog qhov qub tshaj plaws hauv ntiaj teb?
Thaum muaj qee qhov kev sib cav txog thaum twg thiab qhov twg thawj cov pob zeb tau siv - lub tuam tsev Göbekli Tepe nyob rau hauv niaj hnub Qaib ntxhw tau tsim siv T-shaped pillar ntawm carved limestone kwv yees li 12,000xyoo dhau los, cov tub lag luam suab puam siv cov pob zeb ua ntej los ua cov dej hauv av 8,000 xyoo dhau los, thiab cov neeg Iyiv thaum ub …
