Ukugrouta kokubuyisela kuyinqubo ethile ye-geotechnical esetshenziswa ekwakhiweni kwezisekelo ezijulile ukuze kuqinisekiswe futhi kukhuliswe umhlaba oholayo izakhiwo ezinophetho nezokwakha ezingaphansi. Le ndlela ibandakanya ukufakwa kokuphathwa kwezinto zokugrouta emathafeni, emigcawini, nasezindaweni ezithambile ezikhethiwe eduze kwezici zezakhiwo, ikakhulukazi ezindaweni eziphakeme zamapayipi kanye nezinqwaba zamapayipi. Ukugrouta kokubuyisela kunezisebenzi eziningi eziyisisekelo ekwakhiweni kwezisekelo, kubandakanya ukulawula ukuhamba, ukugcina ukweseka komhlaba, nokubuyisela izakhiwo ezindaweni ezinzima zejoloji. Le nqubo ibaluleke kakhulu lapho kwenziwa izisekelo emathafeni akwazi ukujijimisa, ikakhulukazi kwi-chalk, i-claystone, kanye nezinye izindawo ezingabazeki lapho ukuhamba komhlaba kuthinta izakhiwo ezizungezile nezokwakha. Abakhi basebenzisa kakhulu ukugrouta kokubuyisela ezindaweni zasemadolobheni, eduze kwezikhumbuzo zomlando, nasezinhlelweni ezidinga ukuphazanyiswa komhlaba okuncane kanye nokunciphisa ukuhamba. Ukuze kufezwe ukugrouta kokubuyisela kudinga ukuhlela ngokucophelela phakathi kokuhlonza, ukufaka, nokuhlola izinhlelo. Igrout ifakwa ngezinhlaka ezibekiwe noma amabhodlela, ngokuvamile afakwe kumaphethini aqondile noma afaka emaphethelweni okuhamba noma ukujula kwesisekelo. Izinhlobo zegrout zihluka kuye ngemigomo yomhlaba nemininingwane yephrojekthi, kusukela kumasiphalazi ajwayelekile anesisekelo sePortland cement kuya kwimix eyingqayizivele ye-micro-cements, imibuthano yemichiza, kanye negrout ehambisana ne-colloidal engakwazi ukufaka emathafeni anokwakheka okubucayi. Inqubo yokufaka kufanele ihlolwe njalo ngama-pressure gauges, ama-flow meters, kanye nezinhlelo zokuhlola ukuhamba ukuze kuqinisekiswe ukujova kahle komhlaba ngenkathi kugwenywa ukuhamba okungafanele noma ukucindezela okukhulu. Izinhlelo zokugrouta zokubuyisela zanamuhla zisebenzisa izinhlelo zokuthola idatha ngesikhathi sangempela ukuze zilandele ukuthwala kwegrout, ama-pressure wokufaka, nokuphendula komhlaba, kuvumela ukulawula kwe-adaptive nokuhambisana nezimo ezinzima zokuphuma ezivame ukubekelwa imikhawulo emadokhweni noma ezindaweni ezithintekayo. Ukugrouta kokubuyisela kuthola ukusetshenziswa kwiimeko ezahlukene zezisekelo nezimo zokwakha. Imisebenzi yokugxila ngaphansi kwezakhiwo ezikhona ivamise ukuwusebenzisa lo msebenzi ukuze kudluliselwe imithwalo, ukuqinisa umhlaba okhonjwa, nokwenza kube lula ukufaka izisekelo ezijulile. Iphrojekthi yokuhamba kwethuna isebenzisa ukugrouta kokubuyisela ukuze igcine ukuhamba komhlaba ezindaweni eziphakeme zethuna futhi ivimbele ukuhamba komhlaba ngesikhathi sokuhlakulela. Izakhiwo ezinkulu eziphathekayo, kubandakanya ama-platforms asezindlini, amabhilidi, namabhuloho aphezulu, ahlanganisa ukugrouta kokubuyisela njengengxenye yecebo lokuthuthukiswa komhlaba nokuphathwa kokuhamba. Izimo zomhlaba ezifanele ukugrouta kokubuyisela zifaka i-alluvium, amabhuku e-ice, i-bedrock ehlanzekile, kanye nezithunzi zomhlaba okuhlonywe kuzo lapho ukufaka ikhefu ungathola ukuvuselelwa okwenziwe ngaphandle kokufaka umhlaba okuningi. Imishini ebalulekile ekuphumeleleni kokugrouta kokubuyisela ibandakanya ama-pumps okufaka aphakathi kwengcindezi ephansi kuya kwengcindezi ephezulu, ama-manifolds okufaka anama-configurations amaningana, ama-piezometers kanye nama-inclinometers okuhlola ukuhamba, kanye nemishini ekhethekile yokuhlonza engakwazi ukugcina ukufaka izikhala ekwakhiweni kwamasondo anzima. Umakhi ophumelela ukukhipha ukugrouta kokubuyisela kumele abe nekhono emsebenzini wombuso, ukukhetha izinto zegrout, indlela yokufaka, kanye nokuqapha umhlaba ukuze akhuphule amaphrojekthi ahlangabezana nezidingo zokuphuma zanamuhla kanye nezidingo zokuzinza kwezokwakha.
Izakhiwo ze-Tube-a-Manchette zimelela indlela ephusile yokuphonsa umjovo emsebenzinhlweni yokwakha ezijulile nezokwakha eziyizimboni. Lezi zinhlelo zisebenzisa ama-sleeve e-polyethylene afakwe ngaphambi, ajwayelekile okubizwa nge-manchettes, abekwe ngaphakathi kwezikhukhula ukuze kube lula ukusebenza komjovo emva kokufakwa kwepiloni okokuqala noma ngesikhathi sokulungisa umhlaba. Ama-manchettes aqukethe ama-valve wokuhlola avulwa lapho umzimba womjovo ufakwa, uvumela umjovo osemqoka noma imikhiqizo yekhemikhali ukuthi ifakwe ezindaweni ezithile ngaphandle kokuphazamiseka ezindaweni ezijovile ngaphambili. Le msebenzi yokujova ngokukhetha yenza izinhlelo ze-TAM zibe nenselelo ikakhulu emsebenzini wezimbiwa lapho kudingeka umjovo wokukhokhela ukulwa nokwehla, ukuqinisa izikhala ezithambile, noma ukuthuthukisa izimo zomhlaba ezizungeze ama-piloni kanye nezakhiwo ezikhona. Ukwethulwa kobuchwepheshe be-Tube-a-Manchette kubonakala kakhulu ezimweni zomhlabathi ezinzima kufaka phakathi izikhukhula ezithambile, imithi ethambile, nezakhi zofuzo ezihlangene lapho izindlela zokujova ezijwayelekile zinganelisi. Ochwepheshe bezokwakha basebenzisa izinhlelo ze-TAM ukuthola indlela zomhlaba ngaphansi kwezakhiwo ezithintekayo, izakhiwo zomlando, kanye nezindawo ezimjondolo eziphakeme lapho ukuhweba okuhlukile kukhombisa izingozi ezinkulu ekukhuleni kokwakhiwa. Ngokwenza umjovo ophathwayo ngokulinganiselayo ngama-manchettes abekwe kahle, ochwepheshe bezinhlaka bangaphakamisa izakhiwo ezihlonzile, balungiselelwe ukuhlanganiswa ezindaweni ezithambile, nokwakha amandla okuthwala emhlabathini obekungekho neze. Imishini esetshenziswayo ezinhlelweni ze-Tube-a-Manchette ifaka phakathi imishini ethile yokujova umjovo we-pressure, amapompo wokulinganisa angathumela izingqikithi zomjovo ezilinganayo, ama-packers okwahlukanisa izikhathi zokujova ezithile, kanye nezinga le-pressure ukuze kuhlolwe izimo zokujova. Ukukhetha imithombo yokujova kuya ngezimo zomhlabathi nezidingo zomsebenzi, okuhlanganisa i-mortar ye-cement yokweseka okuyinhloko kuya ku-polyurethane noma ama-resins e-epoxy ezicelo zokufaka okukhanyayo. Abakhi bezisekelo basebenzisa abantu abanexperience abafundiswe ezinqubweni ze-TAM ukuphatha amaphuzu amaningi okufaka, ukuhlela ukusabalalisa umjovo, nokuqinisekisa amarekhodi anele okusebenza komjovo ahlonza ingcindezi, ivolumu, nedatha yokujula kwengxenye ngayinye edaluliwe. Izicelo ze-Tube-a-Manchette zifaka phakathi izinhlelo ezahlukahlukene zomsebenzi ezijulile kuhlanganisa ukusiza kwepiloni, umjovo we-caisson, ukuqiniswa kwe-micropile, kanye nezinhlelo zokuthuthukisa umhlaba ezisekela izisekelo zezitobha, izikhungo ezinkulu zomsebenzi, kanye nezinhlelo zokuvuselela izakhiwo. Emsebenzini wezithangami eduze nezakhiwo ezithintekayo, ubuchwepheshe be-TAM buhlinzeka ngempumelelo ekuthuthukiseni umjovo wokuphonsa odalwe ukukhipha umhlaba ozungezile ngenkathi uvikela izisekelo ezikhona emaphusheni adalwe ukwaziswa. Le ndlela iqinisa kahle nezinqubo zokuhlola ukuhweba zanamuhla ezisebenzisa ama-inclinometers, ama-extensometers, kanye namathayi okwehla ukuze kuqinisekiswe ukusebenza kahle kokwelashwa futhi kuqinisekiswe ukuthi umjovo wakamuva ufinyelela imigomo yokwakha efanele. Kubachwepheshe bezokwakha nezinkampani zokwakha ezinokusebenza ezinzima ezidinga ukuhweba okuphathekayo, izinhlelo ze-Tube-a-Manchette zithola ukwethembeka okukhombiswayo, imiphumela ebonakalayo, kanye nemibhalo ebanzi efanele ukuhambisana nezidingo zokulawula nezidingo zomshuwalense.
Ukuqapha ukufudumala ngesikhathi sangempela kungumqondo obalulekile emisebenzini ye-compensation grouting yesimanje emisebenzini yokwakha izisekelo ezijula kanye nezindawo ezingaphansi komhlaba. Lolu hlobo lwezisebenzi oluphusile luqukethe ukukala nokuhlaziya okuqhubekayo kwemikhawulo yomhlaba, izinguquko ezifakazela izakhiwo, kanye nezimo zokufudumala ngesikhathi sokufakwa kwezisekelo ezinzulu, ukudonswa kwezinduku, kanye nezinqubo zegrouting. Ngokusebenzisa inethiwekhi yamadivayisi aqondile okuqapha, amaqembu omsebenzi angalandelela ukunyakaza kwesisu nokuqondile, amakhuvukela, kanye nezimo zemhlaba ngesikhathi sangempela, okwenza kube nokuphendula ngokushesha uma ukufudumala kufinyelela ezingeni elibekiwe. Le ndlela yokuhlola enza kube necala lokuvikela izakhiwo eziseduze, izinsiza ezingaphansi komhlaba, kanye nezindonga ezikhona ezindaweni ezijulile ezindaweni ezisemadolobheni lapho umsebenzi wezisekelo ezinjulile kufanele uqhubeke ngaphandle kokuphazamiseka kwezimpahla ezihambisanayo. I-tekhnoloji ye-infrastructure yokuhlola ukufudumala ngesikhathi sangempela ivamise ukufaka izinhlobo eziningi zezinsiza ezibekiwe ngendlela ecacile emkhakheni wokwakha. Amabhodi okufudumala, ama-inclinometers edijithali, amazinga aqondile, kanye neziteshi eziphelele ezenzakalelayo zibamba isisekelo salezi zinhlelo zokuhlola, kanti amaphrojekthi aphambili athatha advantage kuma-theodolites e-laser, ama-GPS receivers, kanye nama-extensometers ensimini yokunyakaza komhlaba. Okwamanje, ama-data loggers kanye nezinhlelo ze-telemetry athumela imibiko ngezikhathi ezithile eziteshini eziphakeme zokuhlola, lapho isoftware ekhethekile ithola, ihlaziye, futhi ibonise izitayela zokufudumala. Ama-piezometers we-elektroniki kanye nezinsiza zokuhlola izinga lamanzi emhlabeni kuvame ukwengeza ekuhloleni izakhiwo, njengoba ushintsho lwengcindezi yokuhlanganisa luthinta ngokuqondile ukuziphatha komhlabathi nokuzinza komhlaba. Izinhlelo zokuhlola zesimanje ziqhuba izinhlelo zokukhumbuza ezenzakalayo ezazisa abaphathi bezindawo ngokushesha uma ukunyakaza kudlula imikhawulo ebekiwe, kuthumele ukuhlinzekwa kwegrouting okuphezulu noma izinguquko zokwakha ukuze kuvinjelwe umonakalo ezakhiweni ezikuwo. Emkhakheni we-grouting yokuhlinzeka, ukuvuselela isikhathi sangempela kuba umjikelezo wokubuyisela ovusa isu elisebenzayo le-grouting. Njengoba i-grouting yokucindezela iqhubeka emathafeni omhlabathi aphansi, idatha yokuhlola iveza ukusabela okujwayelekile komhlaba futhi iqinisekisa ukusebenza kwe-grouting, kuvumela onjiniyela ukuba balungise izilinganiso ze-grout, ingcindezi, kanye nezindawo zokufaka emhlabeni. Le ndlela esekelwe kudatha inciphisa kakhulu ubungozi bokukhuphuka okweqile, ukufudumala okunengqondo, kanye nomonakalo wezakhiwo okungavela ngenxa ye-grouting engaphelele noma ewusizo. Izindawo zokwakha ezinezakhiwo zamasiko eziseduze, izinsiza ezibucayi, izakhiwo zokuhamba ezingaphansi komhlaba, noma izakhiwo ezithwele ziba nenzuzo enkulu ekuhloleni okujwayelekile kokufudumala ngesikhathi sokuhlinzeka nge-grouting. Ukuqapha ukufudumala kuveza ukuba kubalulekile across ezinhlelo ezihlukene ze-geotechnical okuhlanganisa ukuhambisa izimbobo ezinzulu eduze kwezindonga ezikhona, ukufakwa kwezinduku ngaphansi kwezakhiwo ezithintekayo, ukuhamba nokwakha ngaphansi komhlaba ezindaweni ezisemadolobheni, kanye nezinqubo zegrouting ze-chemical noma ze-cement. Izimo zomhlaba ezihlukahlukene ezivela kumasebentisi ashisayo nezingilazi kuya kumalungiselelo e-granular, ama-chalk, kanye ne-marl konke kudinga ukuqaphela kahle ngesikhathi somsebenzi wezisekelo nokuthuthukiswa komhlaba. Ngokugcina ukubonakaliswa okuqhubekayo kumikhakha yokunyakaza komhlaba kanye nemisebenzi yokuphendukela phambili phakathi kohlelo lokwakha, amaqembu omsebenzi angaqinisekisa ukuphepha kwezakhiwo, anciphise izimangalo ezihlobene nokufudumala, futhi athuthukise izinsiza zokwenza i-grouting ngenkathi egcina izinhlelo zomsebenzi nezilawuli zezimali ezimweni zomhlaba ezinzima.
Izinsiza zokumba ezisetshenziselwa ukufakwa kwe-TAM zikhombisa imishini ekhethekile ebalulekile ezisebenziseka ekuphathweni kokugrouta kokukhokhwa, indlela yokwelapha umhlaba ebalulekile esetshenziswe kwi-engineering yeziqhu ukuze ukuphathwe nokulawulwa kokuhluka komhlaba. Ukufakwa kwe-TAM kubandakanya ukuhlela ngokunembile izinhlelo zokugrouta ngenhla kwemigudu eyehliwe, okuvumela abaqhubi ukuba babhucungule izixazululo ezihambisanayo zokugrouta ezijulile nezikhawulayo. Le ndlela ibaluleke kakhulu ezindaweni zasemadolobheni nasendaweni eduze nezakhiwo ezikhona lapho ukuhamba okuhlukile kuholela ezinhlekweni ezinkulu ezakhiweni eziphakeme, ezisebenzisekayo, nasezinhlelweni zokwakha. Izinsiza zokumba ezisetshenziswa kulezi zicelo kufanele zibe nokunemba okukhulu, ukuphindaphinda, nokulawula, njengoba impumelelo yokuphathwa kokugrouta kokukhokhwa incike ngokuphelele ekutholeni amaphuzu okulungiselela okugrouta anembile ngokukhathalela okuncane nokuphazamiseka kwemvelo. Imishini esetshenziselwa ukumba kwe-TAM ihlanganisa amandla okuvula umjikelezo wesiko nemithombo yokuthola nokuhola ethuthukisiwe ukuze kuqinisekiswe ukuthi imigudu ibekiwe ngaphakathi kwezinqumo eziphakeme ezihlobene nezibamba noma nezakhiwo ezidinga ukwelashwa. Lezi zinsiza zokumba ezikhethekile zisebenza ezimweni ezahlukene zomhlaba, kusukela kumathafa aqhakazayo nemithamo ye-silt kuya kumagumbi ayingozi, ama-gravel, nemifanekiso yengcayi ebusayo. Inqubo yokumba ivamise ukuhlanganisa ama-augers ane-sterem engaphandle, ama-augers aphindaphindayo, noma izindlela zokubanga, kuye ngezici zomhlabathi kanye nokujuliswa kokwelashwa okudingekayo. Ababamba kufanele bakhulume ngokukhawuleza nabaklami be-geotechnical ukuze balandele izinhlelo zokugrouta ezihlelwe ngaphambili kanye nemigomo yesisindo, njengoba ukuphathwa kokugrouta kokukhokhwa kuyinqubo elawula, ethwalwa ngedatha lapho izimpendulo zomhlaba zihlolwa ngokuphakamiseka nonke futhi izimo zokwehluka zishintshwa ngesikhathi sangempela ngokuya ngezilinganiso zokuhluka nemizamo yokucindezela. Izicelo zezinsiza zokumba ekuphathweni kokugrouta kwe-TAM ziqhubeka kumkhakha obanzi womsebenzi weziqhu ezijulile, kuhlanganise ukulungisa ukuhamba ngaphansi kwezibamba ezikhona, ukuvikeleka komhlaba ozungeze imisebenzi yokuwela, nokulungiselela amaphuzu okulungiselela ngaphambi kokulungiswa okukhulu kweziqhu. Le ndlela ivele ibaluleke kakhulu njengoba ukuthuthukiswa kwemizi kukhuphuka futhi ukwakhiwa okusha kwenzeka eduze kwezinsiza ezindala ezihlangabezana nokuhluka okungaphezulu. Ukufakwa kwe-TAM okuphumelelayo kudinga hhayi kuphela ukunemba kokumba kodwa futhi nokulawulwa kwekhwalithi okuqinile, ukuqapha lokhu cindezelwa ngokunembile, kanye nezincwadi eziyinsika zokugrouta ukuze ziqhube umlando wokubhalisela iwotshisi true uzeme ziukhathazaene iziko lokwenza izincazelo zomkhiqizo. Ukuhlanganiswa kobuchwepheshe bokumba obwakamuva nemishini yokugrouta ethuthukisiwe kanye nezinhlelo zokuphathwa kwesikhathi sangempela sekwenze ukuphathwa kokugrouta kube isixazululo esithembekile, esihambisanayo sokuphatha ukuziphatha komhlaba ezindaweni ezinzima ze-geotechnical.
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