karfe aminci ratllards

karfe aminci boldds

Zurfin da aka saka ya haɗu da abubuwan ƙira, da zurfin rufewar za su cika waɗannan buƙatun:
1. Lokacin da aka binne casing a cikin busasshiyar ƙasa ko ruwa mai zurfi, don ƙarshen ƙasa, zurfin jeri na waje ya kamata ya zama 1.0-1.5 sau da yawa. Don ƙarancin ƙasa kamar yashi da silt, an binne zurfin da ke sama, amma yana da kyau a maye gurbin top na kariya, da kuma sauyawa na diamita ya kamata ya wuce diamita na kariyar kariya ta 0.5-1.0m.
2. A cikin ruwa mai zurfi da ƙasa kogi mai laushi da kuma lokacin farin ciki silt Layer, ƙasa gefen bututu mai kariya ya kamata ya tafi zurfin zurfin Layer; Idan babu wani abu na sirri, ya kamata ya shiga 0.5-1.0m zuwa cikin babban tsakuwa da kuma pebble Layer.
3. Ga kogin na kogin da aka shafa ta hanyar yin bututu, kasan bututun mai kariya ya kamata ya shiga ba kasa da 1.0m a kasa da layin scour. Ga kogibeds da gaske cutar da su ta hanyar zamantakewa, kasan gefen bututun kariyar kada ya shiga ba kasa da 1.0m a kasa layin scour na gida ba.
4. A cikin kashi-kashi na ƙasa mai sanyi, ƙasan ƙasa mai kariya ta karbuwa ta shiga ba ƙasa da 0.5m zuwa Layerasy ƙasa da ke ƙasa da layin daskarewa; A cikin fannoni na permafrost, kasan gefen bututu ya kamata ya shiga cikin Permafrost Lost ba kasa da 0.5 m. 0.5m.
5. A cikin busasshiyar ƙasa ko lokacin da ruwan ya kasance ƙasa da 3m kuma babu rauni a ƙasan tsibirin Boye, da kuma ƙashin yumɓu za a rufe shi a ƙasa da kewaye Dole ne a haɗa casing a cikin yadudduka.
6. Lokacin da silima jikin ƙasa kasa da 3m, da kuma ƙasa mai laushi da laushi a ƙasan tsibirin ba za a iya amfani da ita, ana iya amfani da hanyar buɗe-yanke; Lokacin da gudumiyar guduma take nutse, matsayin jirgin sama, karkatar da madaidaiciya da ingantattun ingancin casing ya kamata a sarrafa shi sosai.
7. A cikin ruwa inda zurfin ruwan ya fi ƙarfe 3m ya fi ƙarfe 3m, ya kamata a taimaka wurin tsarin aiki, da hanyoyin yin rawar jiki, guduma, jetmining ruwa, da sauransu.
8. Babban saman casing ya zama 2m sama da matakin ginin ruwa ko matakin ruwa, da 0.5-1 har yanzu 0.
9. Don bututun kariya ya saita a wuri, da izini karkatar da saman saman shine 50mm, kuma karkatar da hankali game da sha'awar shine 1%.