VII. I-Steel Sheet Pile Driving.
Ukwakhiwa kwensimbi ye-Larsen Sheet Sheet kuhlobene nokuma kwamanzi nokuphepha ngesikhathi sokwakha. Ngenye yezinqubo ezibucayi kakhulu kulo msebenzi. Ngesikhathi sokwakha, izidingo ezakhayo zokwakha kufanele ziphawulwe:
(1) Izinqwaba zeshidi lensimbi ye-Larsen ziqhutshwa ngabashayeli bezinqwaba zokukhava. Ngaphambi kokushayela, kufanele ujwayele imibandela yamapayipi kanye nezakhiwo ezingaphansi komhlaba futhi ubeke ngokucophelela umugqa wesikhungo oqondile wezinqwaba zokusekelwa.
(2) Ngaphambi kokushayela, hlola inqwaba yensimbi ngayinye bese ususa izinqwaba zensimbi yensimbi ebunjiwe noma ekhubazeke kakhulu kukhiye wokuxhuma. Zingasetshenziswa kuphela ngemuva kokuthi zilungisiwe futhi zifanelekile. Lezo ezisangafaneleki ngemuva kokulungiswa kwenqatshelwe.
(3) Ngaphambi kokushayela, amafutha angafakwa ekukhiyeni inqwaba yensimbi yensimbi ukwenza lula ukushayela nokususwa kwenqwaba yensimbi yensimbi.
(4) Ngesikhathi senqubo yokushayela yenqwaba yensimbi yensimbi, ukuthambeka kwenqwaba ngayinye kufanele kulinganiswe futhi kubhekwe kungabi ngaphezu kwe-2%. Lapho ukwehla kukhulu kakhulu ukuthi kufanele kulungiswe yindlela yokudonsa, kufanele ikhishwe futhi iqhutshwe futhi.
(5) qiniseka ukuthi izinqwaba zensimbi yensimbi azikho ngaphansi kwamamitha ayi-2 ajulile ngemuva kokumbiwa, futhi aqinisekise ukuthi zingavalwa kahle; Ikakhulu, amakhona amane okuhlola kahle kufanele asebenzise izinqwaba zensimbi yensimbi. Uma kungekho zinqwaba zensimbi yensimbi enjalo, sebenzisa amathayi amadala noma ama-rags ukugcwalisa imishini nezinye izindlela ezisizayo ukuze uzibone kahle ukuvikela ukuvuza kanye nesihlabathi ekudleni okuwohloka komhlaba.
. Zombili izinhlangothi zesiteshi esivulekile zizonke, cishe ngo-1.5m ngaphansi kwenqwaba yenqwaba, futhi zizenzele izinduku zikagesi ze-welding. Ngemuva kwalokho, sebenzisa i-Hollow Round Steel (200mm) njalo ngamamitha ayi-5, futhi usebenzise amalunga akhethekile ukusekela izinqwaba zeshidi lensimbi ezinhlangothini zombili ngokulinganayo. Lapho usekela, amantongomane amalunga amalunga ashukumisekayo kufanele aqiniswe ukuze aqinisekise ukuvezwa kwe-verticality of the larsen eshidi lensimbi kanye nemisele yokusebenza okusebenzayo.
(7) Ngesikhathi sokumbiwa komsele wesisekelo, bheka ushintsho lwezinqwaba zensimbi yensimbi nganoma yisiphi isikhathi. Uma kukhona okusobala okuthe xaxa noma ukukhuphuka, engeza ngokushesha ukwesekwa kokulinganisa ezingxenyeni ezichithiwe noma eziphakanyisiwe.
Ⅷ. Ukususwa kwezinqwaba zensimbi yensimbi
Ngemuva kokuthi umgodi wesisekelo uhlehlisiwe, izinqwaba zensimbi yensimbi kufanele zisuswe ukuze futhi. Ngaphambi kokususa izinqwaba zeshidi lensimbi, ukulandelana kwezindlela zokususa inqwaba, isikhathi sokususwa kwenqwaba kanye nokwelashwa kwenhlabathi komgodi kufanele kufundwe ngokucophelela. Ngaphandle kwalokho, ngenxa yokudlidliza kokususwa kwenqwaba kanye nenhlabathi eyedlulele ethathwe yizinqwaba, umhlabathi uzocwila uguqule, okuzolimaza isakhiwo esingaphansi komhlaba esakhiwe futhi sithinte amapayipi angaphansi komhlaba. Kubaluleke kakhulu ukuzama ukunciphisa inhlabathi ethathwe yizinqwaba. Njengamanje, izinyathelo eziphambili ezisetshenzisiwe zingumjovo wamanzi nomjovo wesihlabathi.
(1) Indlela yokukhishwa kwenqwaba
Le phrojekthi ingasebenzisa isando esidlidliza ukudonsa izinqwaba: Sebenzisa ukudlidliza okuphoqelelwe kukhiqizwe isando esishukumisayo ukuphazamisa inhlabathi futhi kubhubhise ukubumbana kwenhlabathi ezungeze izinqwaba zezinqwaba, futhi zincike ekuphakamiseni okwengeziwe amandla ukuze ubasuse.
(2) Ukuqapha lapho udonsela izinqwaba
a. Ukuqala kwephuzu kanye nokulandelana kokukhishwa kwenqwaba: kodonga oluvaliwe lwensimbi yetafula, indawo yokuqalisa yenqwaba kufanele ibe ngaphezu kwe-5 kude nezinqwaba zamakhoneni. Iphuzu lokuqala lokukhishwa kwenqwaba linganqunywa ngokuya ngesimo lapho amaphayipha ashonile, futhi indlela yokukhishwa kwe-jump ingasetshenziswa uma kunesidingo. I-oda lokukhishwa kwenqwaba lingcono ukubhekana nalolo lokushayela kwenqwaba.
b. Ukudlidliza nokudonsa: Lapho ukhipha inqwaba, ungaqala ukusebenzisa isando esidlidliza ukudlidliza ukuphela kwenhliziyo yeshidi ukuze unciphise ukunamathela kwenhlabathi, bese uyikhipha ngenkathi udlidliza. Okwezinqwaba zeshidi okunzima ukuzikhipha, ungaqala ukusebenzisa isando sikadizili ukudlidliza inqwaba phansi ngo-100 ~ 300mm, bese uyidlidliza ngokuhlukile ngesando esidlidlizayo.
(3) Uma inqwaba yensimbi yensimbi ingakhishwa, kungathathwa izinyathelo ezilandelayo:
a. Sebenzisa isando esidlidliza ukuyishaya futhi ukunqoba ukumelana okubangelwa ukunamathela ngenhlabathi nokugqwala phakathi kokulinywa;
b. Khipha izinqwaba ngokulandelana okuphambene kokulandelana kokushayela kwe-pile yeshidi;
c. Inhlabathi ohlangothini lwenqwaba yeshidi ethwala ingcindezi yenhlabathi yi-denser. Ukushayela enye inqwaba yeshidi ngokufana nayo kungenza inqwaba yeshidi yokuqala ikhiphe kahle;
d. Yenza ama-grooves ezinhlangothini zombili zezinqwaba zeshidi bese ufaka inkazimulo ye-bentonite ukunciphisa ukumelana lapho ukhipha inqwaba.
(4) Izinkinga ezijwayelekile kanye nezindlela zokwelashwa ekwakhiweni kwenkundla yensimbi:
a. Tsheka. Isizathu sale nkinga ukuthi ukumelana phakathi kwenqwaba eqhutshwa kanye nokukhiya kwenqwaba kukhulu, kuyilapho ukumelana nokungena ekuphakameni kokushayela kwenqwaba kuncane; Izindlela zokwelashwa yilezi: sebenzisa amathuluzi okuhlola, alawule futhi akulungise nganoma yisiphi isikhathi ngesikhathi sokwakha; Sebenzisa intambo ye-wire ukudonsa umzimba wenqwaba lapho udabukisa, donsa bese ushayela ngasikhathi sinye, bese ulungisa kancane kancane; gcina ukuphambuka okufanele kwinqwaba yephepha lokuqala eliqhutshwa.
b. I-Torsion. Isizathu sale nkinga: Ukhiye uxhumeka ohlwini; Izindlela zokwelashwa yilezi: Khiya isikhiya esingaphambili senqwaba yeshidi ngekhadi eliqonde ngqo ekushayeleni kwenqwaba; Setha amabakaki e-pulley ezingubeni zombili izinhlangothi phakathi kwezinqwaba zeshidi lensimbi ukumisa ukujikeleza kwenqwaba yeshidi ngesikhathi sokucwila; Gcwalisa izinhlangothi ezimbili zebhande lokukhiya lezinqwaba zeshidi ezimbili ezinamaphilisi nama-dowels wokhuni.
c. Ukuxhumana. Isizathu senkinga: Inqwaba yensimbi yensimbi igxiliwe futhi igobe, ekhulisa ukumelana kwe-slot; Izindlela zokwelashwa yilezi: lungisa ukuthambeka kwenhliziyo yeshidi ngesikhathi; lungisa okwesikhashana izinqwaba eziseduze eziqhutshwa nge-angle iron welding.
9. Ukwelashwa kwezimbobo zenhlabathi ezintabeni zensimbi yensimbi
Izimbobo zezinqwaba ezisele ngemuva kokukhipha izinqwaba kumele zibuyiselwe emuva ngesikhathi. Indlela yokubuyisa emuva yamukela indlela yokugcwalisa, kanye nezinto zokwakha ezisetshenziswa ngendlela yokugcwalisa ngama-chip amatshe noma isihlabathi esiphakathi nendawo.
Lokhu okungenhla kuyincazelo eningilizayo yezinyathelo zokwakha zezinqwaba zensimbi ye-larsen. Ungasidlulisela kubantu abaswele eduze kwakho, unake imishini yeJuxiang, futhi "Funda kabanzi" nsuku zonke!
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Isikhathi Sokuposa: Jul-26-2024