
emiser ooriyantad tunnel

meksikkoyile meksikoo sittiyile malinajala shudheekarana thurankamaanu tunal emiser ooriyant, eestten discharge tunnel, eestten malinajala thurankam, eest issuing tunnel ennum ariyappedunna emiser ooriyant tunnel. lokathile ettaamathe neelam koodiya thurankamaanithu.
2008num 2019num idayil oru tunnel boaring mesheen upayogichaanu ithu nirmmichathu. 20 dasalaksham janasamkhyaykku sevanam nalkunna ithu meksikoo nagaratthil ninnu hidalgo samsthaanathe attonilko malinajala samskarana plaantilekku oodunnu. ithu bhoonirappil ninnu paramavadhi 200 meter (656 adii) aazhathil oodunnu, koodaathe 150 chathurashra meter/second discharge sheshiyund. eee thurankam vellapokkam thadayaan sahayikkukayum mattoru drainage tanalaaya emiser centralinte ithara eksitt aayi pravartthikkukayum cheyyum.
thakarcha thadayunnathinaayi, konkreettum urukkum kondu nirmmicha segmental ringukalulla oru lining upayogichaanu thurankam nirmmichirikkunnathu.
thurankatthinte chelavu 15 bilyan pesso aayirunnu. poortthiyaaya sesham, thurankam 30 bilyan pesokal chelavittu bajattinumukaliladikamaayi mariyathaayi manassilakki.

