Takaitaccen bayanin murfin karfe
An samar da sandunan karfe mara nauyi a cikin sassan tare da daidaitaccen tsawon 2.0, 3.0 ko 4.0 m. Matsakaicin ma'aunin waje na sandunan ƙarfe na m karfe daga 30.0 mm zuwa 127.0 mm. Idan ya cancanta, ana ci gaba da sandunan baƙin ƙarfe na m karfe tare da kwayoyi masu zagi. An yi amfani da nau'ikan nau'ikan rawar da ke hadaya na sadaukarwa dangane da nau'in ƙasa ko taro. Babbar baƙin ƙarfe mai laushi ya fi wani daskararren mashaya tare da yankin giciye iri ɗaya saboda mafi kyawun halayensa na tsari dangane da buckling, kewaye da lanƙwasa taurin. Sakamakon shine ingantaccen kwanciyar hankali da kwanciyar hankali mai nauyi na adadin karfe iri ɗaya.
Bayani game da kayan aikinki na kai
| Gwadawa | R25N | R32l | R32n | R32 / 18.5 | R32s | R32ss | R38n | R38 / 19 | R51L | R51N | T76n | T76s |
| A waje diamita (mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 38 | 51 | 51 | 76 | 76 |
| Diamita na ciki, matsakaita (mm) | 14 | 22 | 21 | 18.5 | 17 | 15.5 | 21 | 19 | 36 | 33 | 52 | 45 |
| Diamita na waje, Inganci (MM) | 22.5 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 35.7 | 35.7 | 47.8 | 47.8 | 71 | 71 |
| Ultimate Load Cike (Kn) | 200 | 260 | 280 | 280 | 360 | 405 | 500 | 500 | 550 | 800 | 1600 | 1900 |
| Samar da damar nauyi (kn) | 150 | 200 | 230 | 230 | 280 | 350 | 400 | 400 | 450 | 630 | 1200 | 1500 |
| Tenarfin tenarshe, rm (n / mm2) | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
| Yawan amfanin ƙasa, RP0, 2 (n / mm2) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
| Nauyi (kg / m) | 2.3 | 2.8 | 2.9 | 3.4 | 3.4 | 3.6 | 4.8 | 5.5 | 6.0 | 7.6 | 16.5 | 19.0 |
| Nau'in zare (hannun hagu) | Iso 10208 | Iso 1720 | Mai t76 | |||||||||
| Karfe sa | En 10083-1 | |||||||||||
Aikace-aikace na yin amfani da sanduna na kai
A cikin 'yan shekarun nan, tare da ƙara buƙatar buƙatar tallafawa Geotechnical, kayan aiki da aka yi amfani da shi koyaushe da haɓaka. A lokaci guda, farashin kuɗi da haya ya karu, kuma buƙatun don lokacin gini ya zama da girma. Bugu da kari, ana amfani da amfani da kayan aikin kai na kanka a cikin yanayin yanayin yanayin kasa yana iya rushewa yana da matukar tasirin lalata sakamakon. Waɗannan dalilai sun kai ga ƙara aikace-aikacen haɓaka kayan aikin zubar da kai na kaifin kai. An yi amfani da sanduna na kai wanda aka yi amfani da shi a cikin wannan yanayin:
1. Amfani da sanda na Changean sanda: Amfani da shi a Yanayin kamar gangara, rami na karkashin kasa, da kuma noting yana iyo don maye gurbin igiyoyi angor. Randoman kai na kanka sun lalace zuwa zurfin da ake buƙata, sannan ya ƙare grouting. Bayan an yi amfani da amincewa, tashin hankali;
2. Amfani da microropiles: son kai rods m anchover anchor za a iya bushewa da kuma tushe na isar da isar da wutar lantarki, Ginin gini, Gina Bango, Election Gina Ginin Wanke
3. Amfani da ƙusa na ƙasa: Ana amfani da shi don tallafin ƙasa, maye gurbin al'ada karfe sandhoro, kuma ana iya amfani dashi don babban gungun ƙafa;
4. Amfani da ko kusoshi na dutse: A wasu wuraren dutse ko rami mai tsananin yanayi ko ci gaban kai don inganta dutsen dutsen tare don inganta zaman lafiyar dutse. Misali, dutsen da dutsen tituna da layin dogo da zasu iya maye gurbin su, da kuma bututun bututun mai a kwance a kwance buɗewa.
5. Kwarewar cigaba ko bala'i na bala'i. A matsayinar da Tallafin Tallafin Gerechnical Tallafin Geotechnical yana ƙaruwa, waɗannan hanyoyin tallafi na iya fuskantar wasu matsaloli waɗanda ke buƙatar haɓaka ko magani na asali, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma haɓaka yankin hanya, da kuma fitar da hanya. Za'a iya amfani da sandunan kai na kai don yin huɗa cikin sashin asali, tushe, ko ƙasa na hanya, da sauransu, don grutiding na fasa, don hana abin da ya faru na bala'in bala'i.
