I. Tsawon siliki na ciyawa
Tsayin ciyawa kai tsaye yana rinjayar wasan motsa jiki da tasirin gani na kotu. Daban-daban na filayen ƙwallon ƙafa suna da buƙatu daban-daban don tsayin ciyawa:
Filin ƙwallon ƙafa na Futsal: gabaɗaya yi amfani da lawn na wucin gadi na 32mm ~ 50mm.
Filin ƙwallon ƙafa guda bakwai{0}a{1}: ana iya amfani da lawn roba mai tsayi 40mm~50mm.
Daidaitaccen filin ƙwallon ƙafa goma sha ɗaya -a{1}: yawanci ana amfani da lawn mai tsayi 50mm~55mm.
II. Yawan yawa
Girman lawn na wucin gadi yana nufin adadin zaren ciyawa a kowane yanki na yanki, yawanci a cikin "gungu / murabba'in mita". Manyan lawns masu yawa suna da mafi kyawun juriya, kwanciyar hankali da wasan motsa jiki. Dangane da ka'idodin Hukumar Kwallon Kafa ta Duniya (FIFA) da buƙatun kasuwa:
Yawancin turf ɗin wucin gadi a babban wurin gasar yakamata ya zama aƙalla gungu 8,000/mita murabba'i.
Wurin ƙwararrun wurin gasar shine aƙalla gungu 10,500 / murabba'in mita, har ma har zuwa gungu 21,000 / murabba'in mita.
III. Kayan abu
Yawancin lawn na wucin gadi an yi su ne da PE (polyethylene) ko wasu kayan roba, kamar PP (polypropylene). Kayayyaki daban-daban suna da halaye daban-daban na aiki:
Kayan PE: Yana da kyakkyawan juriya na lalacewa, anti -tsufa da kuma aikin ultraviolet, haka kuma yana da kyaun elasticity da ta'aziyya. Abu ne na yau da kullun don lawn wucin gadi a filayen ƙwallon ƙafa.
PP abu: babban ƙarfi, mai kyau rigidity, high elasticity, amma brittleness, sauki don samar da a tsaye wutar lantarki. Polymer blended lawns waɗanda suka haɗa fa'idodin PE da kayan PP suma zaɓi ne mai kyau.
IV. Tsarin
Tsarin lawn na wucin gadi ya haɗa da siliki na ciyawa, rigar tushe da manne mai goyan baya:
Siliki na ciyawa: Shi ne babban bangaren lawn, kuma siffarsa, diamita, nauyi da sauran sigogi zasu shafi aikin lawn.
Tufafin tushe: ana amfani da shi don tallafawa zaren ciyawa da gyara shi a ƙasa, yawanci ta amfani da rigar tushe ko wasu kayan ƙarfafa.
Manne baya: Ana amfani da shi don manne lawn tare da ƙasa don tabbatar da kwanciyar hankali da dorewa na lawn.
V. Filler
Wasu lawn na wucin gadi a filin wasan ƙwallon ƙafa suna buƙatar cikawa da yashi hatsi ko barbashi na roba da sauran abubuwan cikawa. Wadannan masu cikawa na iya haɓaka kwanciyar hankali da elasticity na lawn da haɓaka ƙwarewar wasanni na 'yan wasa. Ya kamata a zaɓi nau'i da adadin masu cikawa bisa ga takamaiman rukunin yanar gizo da buƙatun amfani:
Yashi ma'adini: girman barbashi yakamata ya kasance tsakanin 0.3 ~ 1.5mm, kuma abun ciki na silicon yakamata ya zama fiye da 90%.
Barbashi Rubber: Ana daidaita adadin cika gwargwadon nau'in rukunin yanar gizo da buƙatu.
