Kwanan nan, KR90A rotary rig na Tyhen Foundation an gina wani aikin ƙarfafa tushen masana'anta na Luoyang, Lardin Henan.An ba da rahoton cewa ilimin kasa ya cika da duwatsu da silt, daidaita tushe zai haifar da tsagewa kuma yana shafar amincin aikin tiyatar.Tsarin da ake yi a wurin aikin ya haɗa da grouting na farko don cike ɓarna da sake cika giɓi a cikin madaidaicin, sannan kuma yin amfani da hakowa mai banƙyama don ƙirƙirar tallafin tushe don sabon tsarin saman, a ƙarshe cimma burin ƙarfafa ƙasa.
Matsalolin wannan aikin sune:
1. Gina a cikin ma'aikata tare da tsayin iyaka 12 m, filin ginin yana kunkuntar, diamita na hakowa 600mm da zurfin hakowa 20 ~ 25m.
2. Geology yafi cika silt, manya da yawa duwatsu, don haka ramukan suna da sauƙin rushewa.
3. Ruwan siminti da aka yi masa allura a cikin tsagewar da giɓin ya haifar da rashin daidaituwa a lokacin hakowa, yana mai da hankali ga karkacewa.Don magance waɗannan ƙalubalen, injiniyoyi daga gidauniyar Tyhen sun ƙirƙiro hanyar fasaha.Sun zaɓi ƙwararrun ma'aikata kuma sun yi amfani da fa'idar KR90A rig ɗin hakowa, ta hanyar amfani da haɗe-haɗe na yashi mai ƙasa biyu da shugabannin hakowa.Wannan hanya ta ba su damar sarrafa matsi na rig kuma su yi amfani da manyan halayensa na jujjuyawar wuta, suna samun nasarar shiga cikin maƙallan baya.Sakamakon haka, an rage farashin gine-gine ga abokin ciniki, inda ya samu yabo baki ɗaya daga masu ruwa da tsaki na aikin.
Tysim KR90A rotary rig rig yana da injin 86kW, yana da nauyin ton 25, kuma yana iya ɗaukar ramuka masu diamita daga 400mm zuwa 1200mm, tare da matsakaicin zurfin har zuwa mita 28.An ƙera na'urar tare da ginin mai nauyi, wanda ke haifar da ƙarancin amfani da injin saboda rage nauyinsa.Ƙarƙashin yanayin ginin daidai, yawancin ƙarfin ƙarfin injin an sadaukar da shi don ayyukan hakowa.Bugu da ƙari, sandunan hakowa da aka yi amfani da su tare da rig ɗin suna da nauyi, suna ba da damar matsakaicin haɓakawa da rage saurin gudu har zuwa 75m/min ƙarƙashin yanayin yanayin aminci iri ɗaya.Gudun jujjuyawar na'urar na iya kaiwa 5r/min, kuma shugaban wutar lantarki na iya juyawa da sauri a 8-30r/min.Wannan ƙirar tana tabbatar da shigar ƙasa cikin sauri, ƙarancin amfani da mai, da ingantaccen aikin gini.
Lokacin aikawa: Oktoba-26-2023