2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Aerated qhob lossis 'aircrete' thaiv
Thawj tsim nyob rau hauv Sweden xyoo 1923 thiab siv nyob rau UK txij li xyoo 1960 (thaum lawv tau hu ua 'cellular' lossis 'gas' concrete thaiv ), aerated concrete lossis 'aircrete' thaiv yog lub lightest ntawm tsev neeg ntawm pob zeb thaiv
Los ntawm qhov ntawd, thaum twg cov cua tshais thaiv thawj zaug siv?
Breeze blocks pib nyob rau hauv lub Xyoo 1930s , tab sis lawv yeej tsis tau txais koob meej loj txog thaum Xyoo 1950s thiab Xyoo 1960 . Thaum lub sij hawm Xyoo 1960 , cov cheeb tsam hauv nroog tau pib puag ncig cov cua daj cua dub raws li kev xaiv fencing ib txwm muaj. Tsis tsuas yog muaj cov pob zeb pob zeb no ntes tau nyob rau hauv suburbs, tab sis kuj thoob plaws hauv kev lag luam tej yaam num.
Ib yam nkaus, Puas yog Thermalite thaiv cov rwb thaiv tsev zoo? Thermalite aircrete thaiv . Forterra cov Thermalite aircrete thaiv yog ib qho kev daws teeb meem zoo rau cov phab ntsa, hauv pem teb thiab hauv qab hauv av. Lawv muaj txog li 80 feem pua cov khoom siv rov ua dua tshiab, muab cov cua sov thiab suab zoo rwb thaiv tsev , zoo compressive zog, lightness rau tuav thiab ya raws kuj.
Kuj nug, thaum twg cov qhob thaiv pib siv?
Harmon S. Palmer tau tsim thawj qhov kev lag luam zoo qhob thaiv tshuab hauv 1900, tab sis muaj tau ntau yam yog vim li cas qhob thaiv ua dav siv nyob rau hauv thawj ib nrab ntawm lub xyoo pua 20th.
Puas yog Thermalite blocks tsim?
Ua cov tsev uas muaj Thermalite thaiv phab ntsa muab yam ntxwv kev ntseeg siab nyob rau hauv cov ntaub ntawv ntawm hluav taws, tso cai kom khiav sijhawm txaus? Thermalite thaiv yog ib qho ntawm cov khoom siv hauv tsev zoo tshaj plaws los tiv thaiv kev txhim kho. Lawv raug cais raws li A1, tsis tuaj yeem sib txuas tau raws li Cov Cai Tswj Tsev thiab BS EN 771-4.
Pom zoo:
Thaum twg Jamaica thawj zaug tau hluav taws xob?
Hluav taws xob tuaj rau Jamaica xyoo 1892, kaum peb xyoos tom qab Thomas Edison tau tsim thawj lub teeb hluav taws xob ua tiav. Txhua yam pib thaum Lub Tuam Txhab Hluav Taws Xob Hluav Taws Xob Jamaica pib muab hluav taws xob los ntawm lub tshuab hluav taws xob me me uas tsim cov nroj tsuag ntawm Gold Street hauv Kingston
Thaum twg thawj zaug tau txais Milk ad?
Lub Kaum Hli 29, 1993
Thaum twg yog lo lus xov xwm tshaj tawm thawj zaug?
Lo lus xov xwm tshaj tawm yog North American, thiab nws tau tshwm sim thawj zaug (xa mus rau xov tooj cua xov xwm) nyob ib puag ncig xyoo 1930, ua qauv ntawm kev tshaj tawm yav dhau los
Thaum twg espionage thawj zaug siv?
Shaken los ntawm kev hloov pauv xyoo 1848-1849, Austrian Empire tau tsim lub Evidenzbureau hauv 1850 ua thawj qhov kev pabcuam tub rog ruaj khov. Nws yog thawj zaug siv nyob rau hauv 1859 Austro-Sardinian tsov rog thiab 1866 kev tawm tsam tawm tsam Prussia, txawm tias tsis muaj kev vam meej
Thaum twg yog Poland thawj zaug nyob?
Poland's Early Bronze Age pib nyob ib ncig ntawm 2400-2300 BC, thaum nws Hnub Nyoog Hlau pib c. 750–700 BC. Ib qho ntawm ntau cov kab lis kev cai uas tsis tau pom dua, Lusatianculture, tau nthuav dav rau Bronze thiab Iron Age thiab sab laug qhov chaw tseem ceeb. Nyob ib ncig ntawm 400 BC, Poland tau nyob los ntawm Celts ntawm La Tène kab lis kev cai