Flagstone (mbendera) ndi flat generic mwala, nthawi zina amadulidwa mokhazikika pamakona anayi kapena mainchesi ndipo nthawi zambiri amagwiritsidwa ntchito kuyatsa ma slabs kapena walkways, patios, pansi, mipanda ndi denga. Itha kugwiritsidwa ntchito ngati chikumbutso, miyala yamutu, ma facades ndi zomangamanga zina. Dzina limachokera ku Middle English mbendera kutanthauza turf, mwina kuchokera Old Norse mbendera kutanthauza slab kapena chip.[1]
Flagstone ndi miyala ya sedimentary zomwe zimagawanika kukhala zigawo motsatira ndege zogona. Mwala wa mbendera nthawi zambiri ndi mawonekedwe a mwala wa mchenga zopangidwa ndi feldspar ndi quartz ndipo ndi osadandaula in grain size (0.16 mm – 2 mm in diameter). The material that binds flagstone is usually composed of silika, calcite, kapena iron oxide. Mtundu wa thanthwe nthawi zambiri umachokera ku zipangizo zomangira simentizi. Mitundu yodziwika bwino ya miyala yamwala ndi yofiira, yabuluu, ndi buff, ngakhale mitundu yachilendo ilipo.
Flagstone ndi kota m'malo okhala ndi miyala ya sedimentary yogona ndi kusowa ndege zogona.
Cha m'zaka za zana la khumi ndi zitatu, denga, makoma ndi pansi muzomangamanga za ku Ulaya zinakhala zokongola kwambiri. Anglo-Saxons makamaka ankagwiritsa ntchito miyala yamchere ngati zipangizo zapansi m'zipinda zamkati za nyumba zachifumu ndi zomangira zina.[2] Zithunzi za Lindisfarne Castle mu England ndi Muchalls Castle (zaka za zana la 14) mu Scotland ndi zina mwa zitsanzo zambiri za nyumba zomwe zili ndi miyala yotsalira.
Ma shingle a Flagstone ndi zida zofolerera zachikhalidwe, ndipo ndi mtundu wa denga la denga amagwiritsidwa ntchito kwambiri mu Alps, where they are laid dry – often held in place with pegs or hooks. In the Chigwa cha Aosta, ku Italy, nyumba zomwe zili m'malo a mbiri yakale zimayenera kuphimbidwa ndi miyala yamwala.
Flagstone (mbendera) ndi flat generic mwala, nthawi zina amadulidwa mokhazikika pamakona anayi kapena mainchesi ndipo nthawi zambiri amagwiritsidwa ntchito kuyatsa ma slabs kapena walkways, patios, pansi, mipanda ndi denga. Itha kugwiritsidwa ntchito ngati chikumbutso, miyala yamutu, ma facades ndi zomangamanga zina. Dzina limachokera ku Middle English mbendera kutanthauza turf, mwina kuchokera Old Norse mbendera kutanthauza slab kapena chip.[1]
zotsika mtengo woyera zachilengedwe mwala cladding kwa khoma kunja

Flagstone ndi miyala ya sedimentary zomwe zimagawanika kukhala zigawo motsatira ndege zogona. Mwala wa mbendera nthawi zambiri ndi mawonekedwe a mwala wa mchenga zopangidwa ndi feldspar ndi quartz ndipo ndi osadandaula kukula kwa tirigu (0.16 mm - 2 mm m'mimba mwake). Zomwe zimamangiriza mwala wa mbendera nthawi zambiri zimapangidwa silika, calcite, kapena iron oxide. Mtundu wa thanthwe nthawi zambiri umachokera ku zipangizo zomangira simentizi. Mitundu yodziwika bwino ya miyala yamwala ndi yofiira, yabuluu, ndi buff, ngakhale mitundu yachilendo ilipo.
Flagstone ndi kota m'malo okhala ndi miyala ya sedimentary yogona ndi kusowa ndege zogona.
Cha m'zaka za zana la khumi ndi zitatu, denga, makoma ndi pansi muzomangamanga za ku Ulaya zinakhala zokongola kwambiri. Anglo-Saxons makamaka ankagwiritsa ntchito miyala yamchere ngati zipangizo zapansi m'zipinda zamkati za nyumba zachifumu ndi zomangira zina.[2] Zithunzi za Lindisfarne Castle mu England ndi Muchalls Castle (zaka za zana la 14) mu Scotland ndi zina mwa zitsanzo zambiri za nyumba zomwe zili ndi miyala yotsalira.
Ma shingle a Flagstone ndi zida zofolerera zachikhalidwe, ndipo ndi mtundu wa denga la denga amagwiritsidwa ntchito kwambiri mu Alps, pomwe amawuma - nthawi zambiri amakhala ndi zikhomo kapena mbedza. Mu Chigwa cha Aosta, ku Italy, nyumba zomwe zili m'malo a mbiri yakale zimayenera kuphimbidwa ndi miyala yamwala.