Maitiro ekuona kudonha kwepombi uchishandisa geophysics

Matekiniki Ekuona Kudonha Kwepombi Uchishandisa Geophysics

Kudonha kwemapaipi—kungave mumvura yakachena, mvura yakasviba, kana mapaipi emaindasitiri—kunowanzova kwakaoma kuona nekukurumidza nekuti kunoitika pasi pevhu. Mhedzisiro yacho inosanganisira kwete chete kurasikirwa kwemvura uye mari yekushanda, asiwo inogona kukonzera kukuvara kwemugwagwa, kudonha kwevhu, kusvibiswa kwezvakatipoteredza, uye kukanganiswa kwebasa. Ndiko mumamiriro ezvinhu aya nzira dze geophysical dziri kuramba dzichiwedzera kufarirwa: nzira isingaparadze yekuona "zvisina kunaka" pasi pevhu zvichibva pakupindura kweivhu kumarudzi akasiyana-siyana esimba (magetsi, electromagnetic, elastic waves, kana thermal). Chinyorwa chino chinokurukura pfungwa huru uye matekiniki e geophysical anowanzoshandiswa pakuona kudonha kwemapaipi, zvakanakira nekuipira kwawo, uye nzira dzinoshanda dzekushandisa mumunda.

Sei Geophysics Ichishanda Pakuona Kubuda Kwemvura?

Kubuda kwepombi kunowanzo shandura mamiriro ekunze akakomberedza pombi. Kubuda kwemvura yakachena kunowedzera huwandu hwemvura muvhu uye kazhinji kunowedzera kufambiswa kwemagetsi (nekuda kwemvura yakanyungudika nemaion). Mumvura yakasviba, kuchinja kwekufambisa kunogona kuoneka zvakanyanya nekuda kwehuwandu hwe electrolyte. Kubuda kwepombi yegesi kunogona kukonzera shanduko mukumanikidzwa kwepombi uye, mune dzimwe nguva, kuderedza hunyoro hwevhu. Shanduko dzese idzi dzinogadzira "zvisizvo" zvinogona kuonekwa nezvishandiso zve geophysical.

Zvakanakira zvikuru zve geophysics ndezvekuti nzvimbo dzinofukidzwa nemhepo dzinokurumidza kuvharwa, kucherwa kushoma, uye kugona kuona kupararira kwezvisina kujairika pamativi nepamativi. Zvisinei, kubudirira kunonyanya kukonzerwa nerudzi rwevhu, kudzika kwepombi, zvinhu zvepombi (simbi kana kuti isiri simbi), mamiriro ezvimwe zvinhu zviri pedyo, uye dhizaini yakakodzera yekuongorora.

1) Nzira dzeGeoelectric: Kudzivirira uye Kudzivirira kweMagetsi Tomography (ERT)

Principle
Nzira yekudzivirira inopinda nemagetsi muvhu kuburikidza nemaelectrode uye inoyera mutsauko unogona kuitika kuti iverenge kudzivirira. Nzvimbo dzakaguta, kunyanya idzo dzine maion, dzinowanzova nekudzivirira kwakaderera pane ivhu rakaoma.

Kunyorera pakubuda kwepombi
Kubuda kwemvura kunowanzo kukonzera kusagadzikana kwakaderera kwakakomberedza pombi. NeERT, data rinogadziriswa kuita zvikamu zve2D kana mamodheru e3D kuti rinyatsoratidza kupararira kwemvura kubva panzvimbo inobuda mvura.

Kelebihan
- Yakanakira kuyera kupararira kwehunyoro uye nzvimbo dzinobuda mvura.
- Kukwanisa kuongorora kudzika uye huwandu hwezvinhu zvisina kujairika.
- Inoshanda pamapombi asiri esimbi akaoma kuona uchishandisa nzira dzemagetsi.

Miganhu
– Inonzwa mamiriro evhu anofambisa mvura nenzira yechisikigo saka inogona "kuvhara" masaini anodonhedza mvura.
– Kududzira kunogona kusanzwisisika pasina kutonga kwemunda (kudzika kwepombi, rudzi rwezvinhu, mamiriro ekubuda kwemvura).
– Inoda kubatana zvakanaka kwema electrode; munzvimbo dzakagadzirwa nematombo inoda zvipikiri/gel kana nzvimbo dzekupinda.

2) Radar Inopinda Muvhu (GPR)

Principle
GPR inoburitsa mafungu emagetsi ane frequency yepamusoro muvhu uye inonyora kuratidzwa kwezvinhu zvine dielectric permittivity yakasiyana. Mapaipi, maburi, uye shanduko muhuwandu hwemvura zvinogadzira kusiyana kunowanikwa sezviratidzi.

Kunyorera pakubuda kwepombi
GPR inowanzoshandiswa pa:
- Tevedzera nzvimbo yemapaipi (kunyanya mapaipi asiri esimbi akadai sePVC).
– Tsvaga nzvimbo dzevhu dzakachinja nekuda kwekudonhedza mvura, semuenzaniso nzvimbo dzine mvura yakawanda kana kuti dzisina chinhu nekuda kwekukukurwa kwevhu mukati (mapaipi).
– Kuwana makomba pasi pemugwagwa nekuda kwekudonha kwemvura kwakasakadza ivhu.

Kelebihan
– Kugadziriswa kwepamusoro pakadzika kushoma (kazhinji < 3–5 m zvichienderana nemamiriro ezvinhu). – Kukurumidza uye kunoshanda munzvimbo dzemaguta pakugadzira mapu ekushandisa. – Inogona kupa chiratidzo chechimiro chechinhu (hyperbola) uye mapani enzira. Zvipingamupinyi – Inokanganiswa zvakanyanya nevhu rinofambisa mhepo (ivhu, ivhu rakanyorova zvakanyanya), saka kupinda kwaro kunoderedzwa. – “Ruzha” rwakawanda kubva kune mamwe mautility uye zvivakwa zvekongiri zvakasimbiswa. – Inoda vashandi vane ruzivo kuti vatsanangure. 3) Electromagnetic (EM): Kugadzira Mapu eKufambisa Mvura uye Nheyo yeKuwana Mvura Nzira yeEM inoyera mhinduro yemagetsi inopinza mhepo yevhu kuti iongorore kufambiswa kwemhepo pasina kubata zvakananga. Zvishandiso zveEM zvinogona kushandiswa pakugadzira nekukurumidza kufambiswa kwemhepo pamusoro kusvika pakadzika zvichienderana nechimiro checoil. Mashandisirwo ekudonhedza mvura mupombi – Kudonhedza mvura kunowedzera hunyoro uye maion anowanzo kuwedzera kufambiswa kwemhepo; nzvimbo dzakadaro dzinogona kurongwa sedzisina kujairika. – Mukugadzira mapu ekushandisa, matekiniki eEM anobatsirawo pakutevera mapaipi esimbi ane zviratidzo zvekupinda, zvichiita kuti nzira ionekwe usati waita ongororo dzakadzama.

Zvakanakira - Zvinokurumidza, zvinoshanda, zvakakodzera ongororo dze "kuongorora" nzvimbo huru. - Hapana kudiwa kwekuisa ma electrode. - Zvinobatsira padanho rekutanga rekutsvaga nzvimbo dzinofungidzirwa. Miganhu - Kudzika uye kugadziriswa kwenzvimbo hazvina kupinza seGPR kana ERT. - Zvinokanganisa kukanganiswa netambo dzemagetsi, fenzi dzesimbi, uye zvivakwa zveguta. - Kududzira kunogona kutsamira kana paine zvinhu zvakawanda zvesimbi. 4) Nzira dzeSeismic: Refraction, MASW, uye Micro-seismic Principles Nzira dzeSeismic dzinoshandisa kupararira kwemafungu elastic muvhu. Kuchinja muhuwandu, kuomarara, uye chimiro (semuenzaniso, chitarisiko chemakomba kana nzvimbo dzakazara) kuchachinja kumhanya kwemafungu. Mashandisirwo ekudonha kwemapaipi Kudonha kunokonzera kukurwa kwevhu mukati kunowanzogadzira maburi kana nzvimbo dzisina simba dzevhu pasi pemigwagwa. Nzira dzakadai seMASW (Multichannel Analysis of Surface Waves) dzinogona kuratidza kusiyana kwekuomarara (Vs) kuti dzione nzvimbo dzisina simba dzinogona kukura kuita pasi. Zvakanakira - Zvakanaka pakuona kukanganiswa kwemaumbirwo ekudonha (nzvimbo dzisina simba, maburi, nzvimbo). - Inogona kuwedzera ERT/GPR kuti ione njodzi dzinogona kuitika dze geotechnical. Zvipingamupinyi - Haigone "kuona" mvura inodonha pakarepo; yakasimba kuti irambe ichishanda. - Inoda nzvimbo uye geophone configuration; munzvimbo dzakamanikana dzinogona kuganhurirwa. - Kugadzirisa data kwakaoma zvakanyanya. 5) Nzira dzeThermal neInfrared (IR) dzePurface Indication Principle Kudonha kunogona kukonzera shanduko dzetembiricha yenzvimbo, kunyanya kana paine musiyano wetembiricha pakati pemvura iri mupombi nevhu rakapoteredza. Makamera eThermal kana ma IR sensors anogona kuona kusarongeka kwetembiricha. Mashandisirwo - Kuona nekukurumidza husiku/mangwanani apo kusiyana kwetembiricha kuri pachena. - Inobatsira pakudonha kushoma kana pane dzimwe nzira. Zvakanakira - Inokurumidza zvikuru uye isingabatanidzi, yakakodzera kuongororwa kwekutanga. - Inogona kubatanidzwa nemadrones munzvimbo dzakakura. Zvipingamupinyi - Inokanganiswa zvakanyanya nemamiriro ekunze, mwaranzi yezuva, hunyoro hwepamusoro, uye zvinhu zvepamugwagwa. - Yakakodzera zvakanyanya sechiratidzo chekutanga, kwete kusimbiswa kumwe chete. Nzira Yekutsvagisa Inokurudzirwa (Kufamba Kwebasa) Kuti uwane mhedzisiro chaiyo yekuona kudonha, kudzidzira mumunda kunowanzo shandisa nzira nhanho nhanho: 1. Kuunganidzwa kwekutanga kwedata: mepu ye network ye pipeline, kudzika, dhayamita, zvinhu, nzvimbo dzekubatanidza, nhoroondo yekudonha kwemvura, uye mamiriro evhu. 2. Ongororo yekukurumidza: Kugadzira mapping e EM conductivity kana kuongororwa kwekupisa kuti ubvise nzvimbo dzisina kujairika. 3. Ongororo yakadzama: ERT yekutarisa kusawirirana kwekuparadzirwa kwemvura/resistivity; GPR yekusimbisa nzira dze pipeline, kutsvaga ma voids, uye kutsvaga ma reflector akasimba akatenderedza nzvimbo dzisina kujairika. 4. Kusimbisa nekubatanidza: overlay anomaly results ne pipeline network GIS, uye kana zvichidikanwa sanganisa nenzira dze acoustic (semuenzaniso, correlators) kana CCTV inspection (yemapaipi emarara). 5. Kuongororwa kwemunda: kucherwa kwakanangwa chete panzvimbo dzinogona kudonha mvura, kuitira kuti mari nekukanganiswa zvive zvishoma. Zvinhu Zvinosarudza Kubudirira Zvinhu zvakakosha zvekufunga nezvazvo: - Rudzi rwevhu: Ivhu rakanyorova rinoderedza kushanda kweGPR; ERT/EM inogona kushanda asi kududzira kunoda kungwarira. - Kudzika kwepaipi: Sezvo kudzika kuchiwedzera, resolution inoderera; sarudzo yeERT configuration uye GPR frequency inova yakakosha. - Nzvimbo dzemumaguta: midziyo yakawanda inowedzera ruzha rweEM uye zvinhu zvisina kurongeka kuGPR. - Hunhu hwedata: kuyera zvishandiso, kugadzirisa nzira, nzvimbo yenzvimbo, uye kudzora topographic zvese zvinoguma zvaitika. - Kubatanidzwa kwenzira dzakawanda: nzira imwe chete haiwanzo kukwana; musanganiswa weERT + GPR kana EM + ERT unowanzo kupa chivimbo chakakwirira. Mhedziso Maitiro ekuona kudonha kwepombi yeGeophysical anopa nzira inoshanda, isingaparadze, uye ari kudiwa zvakanyanya munzvimbo dzemaguta nedzemaindasitiri. Nzira dzeResistivity/ERT dzinobudirira pakuongorora kusarongeka kwehunyoro uye kupararira kwemvura, GPR yakasimba pakutsvaga kwakakwirira uye kutevedza kwemidziyo isina kudzika, EM inoshanda pakuongorora nekukurumidza, nepo nzira dzekudengenyeka kwenyika nekupisa dzichibatsira kuona mhedzisiro inotevera kana zviratidzo zvepamusoro. Nekugadzirwa kwakakodzera kweongororo uye kubatanidzwa kwenzira dzakawanda, nzvimbo dzinodonha mvura dzinogona kuderedzwa zvakanyanya, zvichikonzera kuchera kwakanangana zvakanyanya, kuderedzwa kwemitengo, uye njodzi shoma yekukuvara kwezvivakwa. Kana uchida, ndinogona kugadzirisa chinyorwa ichi kuti chienderane nemamiriro chaiwo (semuenzaniso, mapaipi emvura emumaguta, mapaipi eindasitiri, kana mapaipi egasi), kusanganisira magadzirirwo enzira dzekuongorora emuenzaniso uye maparamita emidziyo anokurudzirwa.