Custer Avenue Combined Sewer Outflow - Kev Tsim Kho Lub Chaw Cia & Dechlorination Facility hauv Atlanta, Georgia, Tebchaws Asmeskas
Lub Nroog Atlanta tau txuas ntxiv txhim kho nws cov kav dej thiab cov kav dej rau ob peb xyoos dhau los. Nyob rau hauv lub moj khaum ntawm cov kev tsim kho no, DSI Ground Support, Salt Lake City, yog muab kev koom tes nyob rau hauv muab peb ntawm no tej yaam num: Nancy Creek, Atlanta CSO thiab Custer Avenue CSO.
Kev tsim kho rau kev sib koom ua ke ntawm qhov dej ntws tawm ntawm Custer Avenue tau pib thaum Lub Yim Hli 2005 thiab tau ua los ntawm Gunther Nash (ib lub koom haum ntawm Alberici Group) raws li daim ntawv cog lus tsim-tsim. Nws yuav tsum ua tiav thaum ntxov 2007.
Cov hauv qab no hauv av excavation Cheebtsam yog ib feem ntawm kev ua haujlwm:
Access ncej - 40 m sib sib zog nqus ncej nrog ib txoj kab uas hla ntawm li 5 m siv rau kev tsim kho thiab nkag
mus rau qhov chaw cia khoom thaum nws lub neej,
Chaw cia khoom - 183 m ntev arched chamber nrog lub npe ncua ntawm 18 m thiab qhov siab ntawm 17 m,
Txuas tunnels - luv 4.5 m ncua horseshoe-puab qhov,
Ventilation ncej - yuav tsum tau muab cov cua tshiab rau lub chaw cia khoom.
SEM (sequential excavation method) yog siv los tsav lub qhov. Ib txwm xyaum, moj tej tawg, thiab muck ua hauj lwm yog ua raws li pob zeb reinforcement nrog kev txhawb nqa xws li welded hlau mesh, steel lattice girders, pob zeb dowels, spiles, thiab shotcrete. Nyob rau hauv lub Scope ntawm qhov kev tsim kho no, DSI Ground Support muab cov khoom rau stabilizing lub qhov xws li welded hlau mesh, txhuam bolts, 32 hli hollow tuav, threadbar, ob chav corrosion tiv thaiv bolts (DCP Bolts), thiab kho vajtse accessories xws li daim hlau, txiv ntseej. , couplers, cob.
Qhov tseem ceeb ntawm txoj haujlwm no yog kev siv DSI DCP Bolts thawj zaug hauv Asmeskas. Rau qhov chaw ua haujlwm no, tag nrho ntawm 3,000 DCP Bolts nyob rau hauv qhov sib txawv ntawm 1.5 m txog 6 m tau xav tau. Tag nrho cov khoom raug xa los ntawm DSI Ground Support, Salt Lake City, nyob rau lub sijhawm. Ntxiv rau cov khoom siv no, DSI Ground Support tau muab kev txhawb nqa nrog rau kev teeb tsa thiab kev sib tsoo, rub kev cob qhia, thiab daim ntawv pov thawj miner.
Lub sij hawm xa tuaj: 11 Lub Ob Hlis-04-2024
