1. Bayanin aikin
Aikin yana ɗaukar buɗaɗɗen gini. Idan zurfin rami na tushe ya fi mita 3 kuma ƙasa da mita 5, tsarin tallafi yana goyan bayan φ0.7m*0.5m ciminti ƙasa hadawa tari riƙe bango. Lokacin da zurfin tushe rami ya fi mita 5 da ƙasa da mita 11, φ1.0m*1.2m gundura tari + guda jere φ0.7m*0.5m siminti ƙasa hadawa tari goyon baya. Zurfin rami na tushe ya fi mita 11, ta amfani da φ1.2m*1.4m gundura tari + jere ɗaya φ0.7m*0.5m ciminti ƙasa hadawa tari goyon baya.
2. Muhimmancin kulawar tsaye
Matsakaicin tsayin daka na tarawa yana da mahimmanci ga aikin ginin rami na gaba. Idan madaidaicin juzu'i na gundura a kusa da ramin kafuwar ya yi girma, hakan zai haifar da rashin daidaito na tsarin riƙewa a kewayen ramin tushe, kuma ya kawo manyan ɓoyayyiyar haɗari ga amincin ramin tushe. A lokaci guda, idan madaidaicin ɓacin rai na gundura ya girma, zai sami babban tasiri akan ginin da kuma amfani da babban tsari a cikin lokaci na gaba. Saboda girman karkatacciyar juzu'i na gundura a kusa da babban tsarin, ƙarfin da ke kewaye da babban tsarin zai zama rashin daidaituwa, wanda zai haifar da tsagewa a cikin babban tsarin, kuma ya kawo haɗarin ɓoye ga amfani da babban tsarin gaba.
3. Dalilin karkatar da kai
Juyawar tulin gwajin yana da girma. Ta hanyar nazarin ainihin aikin, an taƙaita dalilai masu zuwa daga zaɓin injina zuwa ramin ƙarshe:
3.1. Zaɓin raƙuman ruwa, taurin geological na na'ura mai jujjuya tari a cikin aikin hakowa ba daidai ba ne, zaɓin raƙuman ruwa ba zai iya biyan buƙatun yanayin yanayin ƙasa daban-daban ba, yana haifar da ɓarna bit, sa'an nan kuma karkatar da kai tsaye. tari bai cika buƙatun ƙayyadaddun ba.
3.2. An binne silinda mai kariya daga matsayi.
3.3. Maɓallin bututun hakowa yana faruwa yayin hakowa.
3.4. Matsayin kejin karfen ya fita daga matsayi, saboda rashin daidaitaccen saitin kushin don sarrafa kejin karfe, karkacewar da aka samu sakamakon gazawar duba cibiyar bayan da kejin karfen ya yi, karkacewar da kankare mai saurin gaske ya haifar. perfusion ko karkacewar da bututun da ke rataye kejin karfe ya haifar.
4. Matakan sarrafa karkatar da kai tsaye
4.1. Zaɓin rawar rawar soja
Zaɓi ɓangarorin rawar soja bisa ga yanayin ƙirƙira:
① laka: zabi kasa guda daya na rotary hakowa guga, idan diamita ne kananan iya amfani da biyu buckets ko tare da sauke farantin hakowa guga.
② Silt, ba mai ƙarfi mai haɗin ƙasa Layer, ƙasa mai yashi, ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan dutse mai ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan girman ƙwayar cuta: zaɓi guga mai hakowa sau biyu.
③ Laka mai wuya: zaɓi mashiga guda ɗaya (kasa ɗaya da biyu na iya zama) guga digging rotary, ko haƙoran guga madaidaiciya dunƙule.
④ cemented tsakuwa da karfi weathered duwatsu: bukatar a sanye take da conical karkace rawar soja bit da wani biyu-kasa Rotary hakowa hakowa (da guda diamita na ya fi girma barbashi size, tare da biyu diamita)
⑤ buguwar gado: sanye take da ƙwanƙwasa ƙwanƙwasa cylindrical - juzu'in juzu'i - guga mai jujjuyawa mai jujjuya sau biyu, ko madaidaicin rawar jiki - guga mai jujjuyawar ƙasa sau biyu.
Bedrock mai iska: sanye take da mazugi mazugi core rawar soja bit - conical karkace rawar soja - biyu-kasa Rotary hakowa guga idan diamita ne da girma don ɗaukar mataki hakowa tsari.
4.2. An binne casing
Domin kiyaye daidaiton silinda mai kariya lokacin binne silinda mai karewa, yakamata a gudanar da sarrafa mahaɗa ta nisa daban-daban daga babban tari zuwa cibiyar tari har sai saman silinda mai kariya ya kai ƙayyadaddun tsayi. Bayan an binne casing, an dawo da matsayin tsakiyar tari tare da wannan nisa da kuma jagorar da aka ƙaddara a baya, kuma an gano ko tsakiyar casing ya dace da tsakiyar tari, kuma ana sarrafa shi a cikin kewayon ± 5cm. . A lokaci guda kuma, ana murɗa abin da ke kewaye da rumbun don tabbatar da cewa ya tsaya tsayin daka kuma ba zai lalace ba ko rushewa yayin hakowa.
4.3. Tsarin hakowa
Ya kamata a haƙa tari da aka haƙa a hankali bayan buɗe ramin, don samar da kariyar bango mai kyau da tsayayye da kuma tabbatar da daidaitaccen rami. A lokacin aikin hakowa, ana duba matsayi na bututun motsa jiki akai-akai tare da tsaka-tsakin nesa, kuma ana daidaita karkatar nan da nan har sai an saita matsayi na rami.
4.4. Matsayin kejin karfe
An ƙaddara ƙaddamar da ƙaddamar da ƙaddamarwar tari ta hanyar ƙetare tsakanin tsakiyar kejin karfe da tsakiyar ƙirar da aka tsara, don haka matsayi na kejin karfe abu ne mai mahimmanci a cikin kula da karkatar da matsayi.
(1) Ana amfani da sandunan rataye biyu lokacin da aka sanya kejin ƙarfe a ƙarƙashin don tabbatar da daidaitaccen kejin ƙarfe bayan ɗagawa.
(2) Dangane da buƙatun lambar, yakamata a ƙara kushin kariya, musamman a cikin babban matsayi ya kamata a ƙara wasu kushin kariya.
(3) Bayan an sanya kejin karfe a cikin rami, cire layin ƙetare don ƙayyade wurin tsakiya, sannan ku aiwatar da nisa tsakanin tsakiyar tsakar gida da dawo da tari ta hanyar zana tari da jagorar da aka saita. Kwatanta layin da aka rataye a tsaye tare da tsakiyar kejin karfe, kuma daidaita kejin karfe ta hanyar motsa crane kadan don tabbatar da cewa cibiyoyin guda biyu sun yi daidai, sa'an nan kuma walda sandar sakawa don sanya sandar sanyawa ta isa bangon silinda mai tsaro.
(4) Lokacin da simintin da aka zubar yana kusa da kejin karfe, rage saurin zub da kanka kuma kiyaye matsayin catheter a tsakiyar rami.
Lokacin aikawa: Satumba-22-2023