Soil nails na self-drilling sune haɗaɗɗun na musamman da aka tsara don tsabtacewa da ƙarfafawa na ƙasa a cikin aikin geotechnical ba tare da buƙatar pre-drilled boreholes ba. Diffferent da soil nails na al'ada da suke buƙatar ayyukan drilling daban, variants na self-drilling suna haɗa da cutting head da drill bit kai tsaye cikin tsarin ƙarfafawa, lallai don haɗaɗɗun drilling da grouting. Waɗannan systems galibi suna ƙunshi hollow steel bar tare da cutting head na maye gurbin ko na integral a ƙarshen jagora, ta hanyar wanda aka yi drilling fluid ko cement grout an yi pomp bayan kaddamarwa. Nails ɗin ya yi aiki azaman kayan drilling da kuma anchor na dindindin, haka lamarin ya sa ya zama sulhu na haɗaɗɗun don tsabtacewa na slope, gini na retaining wall, da ƙarfafawa na ƙasa a cikin aikin gina ƙasa.
Barori masu hollow sune na'urorin steel da aka yiwa hollow core wanda keba da damar aikin drilling da grouting a cikin aikin soil nailing da ground stabilization. Waɗannan barori sun haɗa ƙarfin tsarin steel da hanyar cikin wanda ke sauƙaƙa injection na cementitious grout ko resin a ƙarƙashin matsin. Tsarin hollow ya ba da damar drilling ta hanyar bar ɗin kansa, wanda ya sa su zama naɓinɓin abubuwa a cikin self-drilling soil nail systems da ake amfani da su a ko'ina cikin geotechnical da deep foundation construction.
Drill bits sune na'urorin yanke na musamman wanda ke cikin self-drilling soil nail systems, wanda aka tsara don kirkirar boreholes mai tsauri yayin da ake shigar da ɓangaren tsarin ƙarfin. Waɗannan na'urorin suna da ƙarfin jiki na steel da tungsten carbide yanke tips ko blades a ƙarshen gaba, wanda aka tsara don karya da kwashe ɓangaren ƙasa yayin da aka yi nail a cikin ƙasa. Abubuwan carbide suna ba da ƙarfin tsauri da rashin lalacewa, wanda ke ba da damar shiga cikin ƙarfin ƙasa daga ƙasa mai launin clay zuwa ƙasa mai laka. Geometry na bit, gami da blade angle, flute design, da tip configuration, an tsara shi don sarrafa spoil removal da kiyaye borehole integrity a lokacin aikin shigarwa, wanda ya sa ba a buƙatar aikin drilling daban ko casing removal.
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