Mkpọchi Lagrange na mwugharị mmiri, imepegharị|2020-11-10

Ndị ọrụ AECOM Shimmick nwere ụbọchị 90 iji wughachi Lagrange Locks na ọnụ ụlọ mkpọchi mmiri mmiri ahụ. N'ime izu ikpeazụ nke mwughachi nke mkpọchi Lagrange na dam, a na-eji ụgbọ mmiri kreenu abụọ wụsa kọnkịrị. Na 1939, US Army Corps of Engineers' Lagrange Locks na Dam ka emechara n'osimiri Illinois dị nso na Beardsville, Illinois, dị n'ebe ugwu ebe Illinois zutere Osimiri Mississippi. nke Great Mud. Mgbe afọ 81 nke ọrụ gasịrị, na naanị obere nrụzi na 1986 na 1988, mgbe AECOM Shimmick malitere mweghachi $ 117 nde n'afọ gara aga, mkpọchi ụkwụ 600 na dam agwụla. "LaGrange Major Rehab/Major Maintenance bụ nnukwu otu nkwekọrịta ihe owuwu nke Rock Island District rụrụ," ka Col. Steven Sattiger, USACE Rock Island District Commander na District Engineer kwuru. "N'ime afọ 20 gara aga, ọ bụ naanị otu ọrụ Rock Island agafeela. nha nke ọrụ Lagrange, mana ọrụ ahụ kewara n'ọtụtụ nkwekọrịta wee were ihe fọrọ nke nta ka ọ bụrụ afọ 10 iji mezuo, nke dị iche na ọrụ Lagrange. N'adịghị ka ọrụ Grange, a na-arụcha ọrụ Lagrange n'otu oge ihe owuwu." Iju mmiri ugboro ugboro na oke okpomọkụ na ọnụ ọgụgụ dị elu na-eduga n'ịbawanye njọ nke ihe mkpuchi ekpochi ma belata arụmọrụ na ntụkwasị obi nke sistemu na eletriki. The mkpọchi ọbụna toro ahịhịa na ihe ochie. E nyere AECOM Shimmick ọrụ ịkpọ nkụ nke mkpọchi ahụ, wepụ ihu mkpọchi ya, wụnye oghere ndị a na-arụ ọrụ ọhụrụ na iwughachi ihu mkpọchi na ogwe ihe agha agbakwunyere maka ịdịte aka. Onye isi oru ngo Bob Wheeler, onye rụkwara ọrụ na Olmsted Locks and Dam, kwuru, "Tupu emechi oge ọkọchị, ọ ga-abụ ọrụ siri ike." ihe na-ewu ihe n'akụkụ mkpọchi, nke nwere ike ịkpaghasị okporo ụzọ osimiri. Mkpọchi ụbọchị 90 na ọrụ drainage malitere na July, ma AECOM Shimmick kwesịrị ime ọtụtụ mkpọchi n'ime ọrụ afọ abụọ. Iju mmiri na mmiri na okpomọkụ nke 2019 pụtara Wheeler na ndị otu ya mkpa ka mpikota ọrụ ọrụ n'ime otu mbelata. Window mmechi nke ụbọchị 90 site na Julaị ruo Ọktọba 2020. Na windo siri ike dị otú ahụ, Wheeler kwuru na ya maara na ọ ga-abụ "ihe siri ike nke ukwuu." Ndị otu AECOM Shimmick chọrọ iji wụnye isi ihe arịlịka ọnụ ụzọ miter ọhụrụ na usoro njikwa mmemme ọhụrụ iji mepee ma mechie ọnụ ụzọ miter. N'ihi idei mmiri na saịtị ahụ, Corps chọrọ iji teknụzụ ọhụrụ dochie cylinders hydraulic ọdịnala. "Mgbe ha na-abanye n'okpuru mmiri, [hydraulic cylinders] na-agbapụta, nke ahụ ga-abụkwa nsogbu," Wheeler kwuru. Kama hydraulic cylinders, ọhụrụ lift usoro na-eji a rotary actuator na spindle technology, nke a na-ejibughị na mkpọchi na United States.The Marine Corps nakweere a technology maka mkpọchi na submarines nke na-eji spindles na-emeghe na mechie hatches na torpedo bays. . Onye na-emepụta Rotary actuator Moog na-enye ntụziaka nrụnye zuru ezu. Ka onye na-eme ihe na-arụ ọrụ nke ọma, mmejuputa ya kwesịrị ịbụ nke ziri ezi. "Ha na-ewe nnukwu ohere karịa cylinders omenala," Wheeler kwuru. "Mgbe anyị na-atụle ogwe na splines ebe a na-agbanye rotary actuator, ọ ghaghị ịdị n'ime otu puku sentimita - nke bụ isi na mkpọchi na dams dị ka nke a. Ọ bụrụ na ọ dị n'ime nkeji asatọ nke inch, ị dị mma. nke nnukwu isi na mkpọchi. A 150-ton crane dị na ụgbọ mmiri dị n'èzí mgbidi osimiri, na cranes abụọ 60-ton dị n'ime ụlọ ahụ. Enwere cranes 130-ton abụọ na crane 60-ton na mgbidi ala. A na-eji crane ndị a na-etinye akwụkwọ ozi agbụ ahụ yana ihe ọhụrụ maka mgbidi mkpọchi, a na-etinyekwa cranes site na iji bọket. Ndị ọrụ AECOM Shimmick dekọrọ 200,000 awa n'ime ọnwa atọ na ọkara. N'elu ọnụ ọgụgụ kasị elu, nhazi ngwá ọrụ dị arọ na nkwurịta okwu gụnyere ndị ọrụ 286 na-arụ ọrụ isii 10-hour ugboro abụọ n'ime ụlọ mkpọchi 600-ụkwụ na 110-ụkwụ. "Anyị na-arụ ọrụ site n'akụkụ abụọ nke mkpọchi," Wheeler kwuru. "N'akụkụ abụọ n'otu oge ahụ. Ọ dị ịtụnanya. Anyị nwere nnukwu usoro nhazi nke anyị na-eme atụmatụ ihe ndị a niile n'ihu. Ọ dị ka Lean, ma na-elekwasị anya karị. gụnyere ndị ọrụ ubi na ndị ọrụ nka ma na-enye nzaghachi kwa ụbọchị. " Onye na-ahụ maka ihe owuwu n'okpuru mmiri JF Brennan si La Crosse, Wisconsin nyere atụmatụ ụgbọ mmiri na ndị dị iche iche.Wheeler kwuru na ha ga-adaba na oghere nnukwu isi, nke a ga-ehicha ma wepụ ya. A ghaghị ịrụzi valve mmetọ niile. The 1939 dam nwere ihe edozi edozi maka ya. Dredging na ikpochapụ.Brennan na AECOM Shimmick jupụtara na ya ka ọ ghara ịdị na-arụ ọrụ ma ghara ibu ọrụ maka mbupu. Usoro nhicha nke oge a na-etinye usoro nchịkwa ọhụrụ. "Ị pụghị ịwụsa ihe dị n'ime ebe a na-arụ ọrụ dịka ị na-emekarị, tinyezie ya n'ime ahịrị ihuenyo atọ ma mechaa. Ọ ghaghị ịbụ nke ọma," ka Wheeler kwuru. "Mgbe ahụ, usoro nhazi site na anchorage dị na Ihe anyị na-ebipụ ya, wee jiri arịlịka gbadaa ihe dị ka 6 ụkwụ, tinye ihe owuwu ahụ, tinyekwa obere osisi a ma tinye ya na Structurally, wee tinye rotary actuator na ya. - ọrụ ị na-emekarị na ụlọ ọrụ ọkụ, mana n'etiti mkpọchi dị n'èzí." N'agbanyeghị ịmecha mkpọchi niile n'ime ụbọchị 90, AECOM Shimmick rụchara ọrụ ahụ n'oge, na Osimiri Illinois emeghewo maka mbupu ụgbọ mmiri kemgbe etiti October. A rụchara ise n'ime mkpọchi asatọ na dams n'akụkụ Osimiri Illinois.