E atlehang dewatering: wellpoints, hore na ba sebetsa le melemo ea ho sebelisa

Phahameng-ho bua leshano fatše metsi haholo sitisa mosebetsi moruo, tlatsa liforo tsa beha dintho nakong e tlang hore thatafatsa tshebetso kaho, fokotsa tšepahala bona le durability, hlatsoa hang motheong. Ho etsa sena kapa hore setša se loketseng bakeng sa kaho, selelekela dewatering e phethahatsoa. Wellpoints sebelisoa ho metsi theola, lumella ho hlokomela mesebetsi eo esita le ka maemo a rarahaneng ka ho fetisisa hydrogeological.

Molao-motheo o motheo ea dewatering

Kgetho ya ka mokhoa o itseng bakeng sa ho sebetsana le tlase ho lefatshe phahameng itšetlehile ka entsprechen kang boholo le botebo sekoting sa kaho mohaho ona o tlang, mafika jwale le maemo hydrologic, joalo-joalo Leha ho le joalo, theknoloji efe kapa efe dewatering e sebediswa bakeng sa morero mong: .. theola ba tlase ho lefatshe ho botebo bo joalo leo ba ke ke ba sitisa mosebetsi oa kaho.

Molao-motheo o akaretsang oa dewatering mekhoa e ho bōpa e tepella maikutlo funnel. Ka kamehla pompa metsi ka lera mobu bopa mofuta oa funnel. Sebakeng seo dewatering e atlehe, wellpoints theha setsi sa cavity. Phapang pakeng tsa hlokahalang metsi le ntlha e tlaase-tlaase tsa depressions funnel e bōpehileng joaloka bitsoa ho tepella maikutlo funnel.

Botebo le radius ba ho tepella maikutlo ea funnel e beha ka ho itšetleha ka ditlhoko itseng le maemo. Litlhophiso tsa tsena di a lula bakeng sa nakong eohle e hlokehang bakeng sa tshebetso kaho. Ho ke ke bohlokwa hore wellpoint dewatering ne e le ea mofuta ho sa feleng, joalokaha eka pompa e emisoa, metsi fatše ho tla hlaha ho boemong ba pele.

moralo wellpoints

disebediswsa tsena bopilwe tube, leo, fire qetellong ea eona e ka filtara e hlomamisa. Ka lebaka la ho ba teng ha filthara ka tlhomamiso se ke a oa-butle wellpoint (mobu, lehlabathe, likhechana lefika, 'me e le e fapaneng. D.).

The bophara le bolelele ba methapo e ikemiselitse ho itšetlehile ka botebo ba ho epolloa nakong e tlang, thepa mobu le kgonothebolo batlang.

The-tharabololo sebetsa wellpoints

Manolotsoeng tsa wellpoints phethile mabapi le ho se le bophara ba hlokahala ba funnel e. Ba le boemong bo lokileng ka thepa e hlomamisa fatše ka letheba moo metsi tla tšoareloa. Wellpoints ka tsela e kotopo amanang ho pompa bakeng pompa metsi. kotopo e ka etswa ho tloha rabara, tšepe, kapa mefuta e meng ea lipeipi. The ntho e ka sehloohong e le hore ba ba ka tšeptjoang.

Boholo wellpoint dewatering tla atleha ho itšetlehile ka tlhopho tšoanetseng ea pompo bokgoni le manolotsoeng chelete le bophara ba nang le bokgoni ba phala fire. Leha ho le joalo, ka linako tse ling u ke ke ua hlahisa draining feletseng tsa mobu metsi behang, oo ka oona ka holimo ea itseng lera aquitard ya metsi (0.5-1 noun m) ntse. tlosa lona hangata finyelloa ka tokisetso ea nako a qalang le dewatering kopo ea litsamaiso tsa cellular pompa bakeng pompa metsi ka ntle ho tsona.

Wellpoint dithekeniki dewatering

Ho na le mekhoa e sa tšoaneng ea ho fokotsa boemo ba tlase ho lefatshe ka tsela wellpoints.

• Ha mosebetsi oa kaho o hlokahalang dewatering hanyenyane, lipompo wellpoint ke intša priming le bonolo. thepa e joalo ho ka fokotsa boemo ba metsi fatše ka botebo ba 4,5-8,5 m. Haeba ho hlokahala tshebetso ho fihlela ho ka botebo palo e kahodimodimo ea dewatering sebedisa wellpoints khethehileng mohaho tiered.
• Ha boemo ba tlase ho lefatshe tlameha ho fokotswa ho ka botebo ba limithara tse 18-20, sebedisa ejector khethehileng wellpoints pompo metsi - ejector.
• Tebileng centrifugal lipompo tsa matla a phahameng sebediswa bakeng sa dewatering ka botebo ba ka holimo ho 20 metres.
• mokhoa lephaka e thehiloeng tabeng ea ho sebelisa ejectors khethehileng eo ka ho eona libakeng tse lephaka filthara. tsamaiso ea joalo ba khona ho ka katleho fokotsa boemo ba metsi fatše ka maemo hydrogeological tsa eketseha ho rarahana.

Kgetho ya mokhoa o itseng o thehiloe litšobotsi dewatering 'a lefatše, maemo a sa lebelloang a bona le matla a aquifer ena. Ho phaella moo, filthara coefficient ho nkoa hlokahala, sebakeng seo e minyelelitse sebakeng tlhahiso ea theknoloji ea kaho kapa moepo, ka nako ya dewatering le dewatering litšobotsi tsa thepa e.

kenya wellpoints

Khetha ho hlongoa thepa dewatering itšetlehile ka litšobotsi tsa mobu ka sebaka sa mesebetsi ea kaho, ba nakong e tlang.

• Haeteroliki tlhomamiso mokhoa sebelisoa ha ho hlokahala ho fokotsa boemo ba metsi ka ketsahalo e le grained mobu lehlabathe. Lewa lena e kenyeletsa injecting metsi ka sesebediswa filthara, e leng e ka nako eo theolela ka fatše.
• Mechanical tlhomamiso mokhoa khothalletsoang hore wellpoint dewatering ka lehlohlojane le letsopa mobu. Bakeng sa liliba drainage pele e ile ea fata sebelisa thepa e khethehileng.

The mokhoa homolog ba beha wellpoints le palo ea bona ba ikemiselitse ke litekanyo tsa sebakeng seo tsa drainage le mobu litšobotsi tse.

Melemo ea ho sebelisa wellpoint

• Fumaneha ha thepa dewatering.
• Tsamaiso le boiketlo ea tlhomamiso ea tsamaiso.
• Ha ho hlokahale ho sebelisa motlakase (wellpoints matha ka disele).
• Ka bokgoni ba ho etsa mosebetsi oo.
• Tlaase theko ea dewatering ha ho bapisoa le mekhoa e meng.
• Phahameng bokgoni.