Ma taqaanaa mabda'a shaqaynta ee caaryada curdanka ah?
Curbstone-ka caaryadawaa qaab dhismeedka moodeelka loo isticmaalo soo saarida istcimaalka sibidhka sibidhka. Curbstones, ama dhagxaanta wadada, inta badan waxaa laga sameeyaa granite ama sibidhka abrast of absotes waxaana loo isticmaalaa in lagu qeexo xuduudaha dusha sare ee wadada.
Curbestones waa tas-hiilaad wadooyin oo loo adeegsado qorsheynta haadka, meelaha lagu lugeeyo, suumanka cagaaran iyo xuduudaha aagagga kala duwan ee wadooyinka si loo hubiyo marinka nabarrada ee lugeeyayaasha iyo gawaarida iyo inay jidadka ka hayaan. Goobaha noocan oo kale ah ayaa laga sameeyay xargaha dhaadheer ee qaybaha saboolnimada ee saboolnimada ama dhagaxa. Markaad soosaarto curdar-ka safka sareysa, wasakhda loo yaqaan 'curdsstone' ayaa loo isticmaalaa. Shaqadooda ugu weyn waa qaabeynta oo ay sameeyaan qaybahaan la taaban karo. Xarkaha caaryada curdanka ah waxay inta badan ka samaysan yihiin caag iyada oo loo marayo caqabadda duritaanka. Xaashida birta birta birta birta ah, tikniyoolajiyaddan waxay ku lug leedahay in la isku duro la taaban karo oo lagu shubo caag caag ah, oo aad u dhacaa ka dib sibidhka ka dib wuxuu adkaanayaa inuu dhammaystiro qaabka sheyga. Gaar ahaan,Irbstone caaryada caagga ahwaxaa lagu soo saaray iyada oo loo marayo in injineerinka la isku duleeyo ee lagu duro, oo astaamaha hantida waxay saameyn ku yeelan doontaa cimri dhererka caaryada.
Kahor intaadan u dayin caaryada, cabirka caaryada ayaa loo habeeyay si loogu talagalay in lagu muujiyo sawirrada naqshadeynta injineernimada. DhererkaXannuun caaryadaguud ahaan inta u dhaxaysa 50, 50-100CM. Kadib xisbiga qorsheynta sawirka cabirka, waxay noo soo gudbin doontaa faahfaahinta wax soo saarka iyo waxsoosaarka. Caaryada caaryada curdhe ayaa loo isticmaalaa maxaa yeelay maaddada tacliinta ah ee PP-gu waa mid wax ku ool ah. Iftiimin miisaanka oo keliya maahan, laakiin sidoo kale u fududahay shaqaalaha inay soo saaraan oo ay qaadaan, qiimahana aad ayuu uga yar yahay agabyada kale. Geedi socodka naqshadeynta qaab dhismeedka sheyga, caaryada curdrantu waa inay ahaato mid is haysta oo ku habboon. Haddii dhismuhu oggol yahay, geesaha qaybta caaryada caloosha waa in loo habeeyaa arcs si looga hortago uruurinta walaaca ee dhaawaca caaryada. Waxa kale oo ay lagama maarmaan tahay in laga fiirsado sida loo yareeyo waxyeelada ay sababaan qaybo ka mid ah qaybo ka mid ah qaybo saamayn ku leh arjiga, haddii kale waxay saameyn ku yeelan doontaa saameynta dhabta ah ee arjiga caaryada.
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