opus spickatum

opus spickatum, shaabdik roop seey "spiked work", roman aur madhyayugeen samay mein upayog kiya jaane vaalaa ack prakaar kaa chinai nirmaan haye. isamen eenten, tiles yaa herringbone pattern mein rakhe gaye cutt patthar hotey hain.
upayog karein.
iska upayog aam taur parr sajawati thaa aur aamtaur parr yeh ack footpath key roop mein kaam kartaa thaa, halanki iska upayog divaaron mein ack infill pattern key roop mein bhee kiya jaataa thaa, jaisa kii tamworth mahal mein gett tower taka jaane vaale coseway key hadataali aadhar mein hotaa thaa. jaba taka tatva kshaitij aur urdhvaadhar roop seey naheen chalate hain, yeh swabhavik roop seey kamjor haye, kyonki tatvon key tirchhe konn sampeedan key tahat pattern koo kshaitij roop seey failaate hain.
aag kii bauchhaaren.
herringbone kaa kaam, vishesh roop seey patthar mein, patthar key choolhe mein aag lagaane key liye bhee upayog kiya jaataa haye. amleeya flue gaisen choone key mortar koo nasht curr detee hain, isaliye ack bareek-sett herringbone nyuntam mortar key upayog key saath barkarar reh sakati haye. yuu. aiss. key. mahal mein kaee achche udaaharan hain. 
herringbone pattern virodhi katarani tala key chehare paida kartaa haye, saapeksh satah kshetra koo badhaata haye aur isaliye ise mortar aur eent key liye ack adhik dhwani design pradaan kartaa haye.
udaaharan.
herringbone vidhi kaa upayog philippo bruneleshi dwara florence key cathedral (saanta maria dell fior) key gumbad key nirmaan mein kiya gayaa thaa.
herringbone eent kaa kaam bhee gothik punruddhar vastukala kii ack visheshta thee.
sandarbh.
opus cementicium roman deevaaren

