Pakuisa tunnel yekudzivirira mvura bhodhi, zvinodikanwa kunyatso kutevedzera zvinotevera maitiro:
1. Zvikamu zvakabudikira zvakaita sesimbi mesh zvinofanira kutanga zvachekwa zvozotwasanudzwa nemadota edhaka.
2. Kana paine mapaipi akabudikira, acheke woatsvedzerera nedhaka.
3. Kana paine chikamu chakabudikira chetambo yeanchor yetunnel isingapindi mvura, pamusoro peiyo screw musoro inochengeterwa 5mm uye yakagurwa, uye yozobatwa nekapu yepurasitiki.
4. Ita kuti nzvimbo yacho igare yakatsetseka uye yakatsetseka nekupfapfaidza kongiri, uye kuwanda kwekusaenzana hakufaniri kudarika ± 5cm.
5. Pamusoro pekongiri, 350g/m2 geotextile inofanira kunamirwa nelineni kutanga, uye kana paine bhodhi remvura, inofanira kunamirwa panguva imwe chete, uye ipapo zvipikiri zvesimende zvinofanira kurovererwa nepfuti yembambo kuti isungirire. , uye kureba kwezvipikiri zvesimende hazvifaniri kunge zvisingasviki 50mm. Ivhareji yevhavha ndeye 3-4 mapoinzi/m2, uye madziro emadziro ane 2-3 mapoinzi/m2.
6. Kuti udzivise simende slurry kuti isapinda mukati me geotextile, tanga waisa geotextile uye wozoisa tunnel isina mvura bhodhi.
7. Paunenge uchiisa bhodhi risina mvura, shandisa bhuku rekugadzirisa rinopisa rinopisa-kunyunguduka pamucheka, uye kusungirirwa uye kusvuura kusimba kwezviviri hazvifaniri kuva zvishoma kudarika simba rekudzivirira kwebhodhi remvura.
8. Mushonga unokosha welding unoshandiswa pakupisa-kunyunguduka kusungirirwa pakati pemapuranga asina mvura, chikamu chekubatana hachifaniri kunge chiri pasi pe 10cm, uye simba rekusvuura rinosungirirwa haringasviki pasi pe80% yesimba rekusimba remuviri wemubereki.
9. Nharaunda pakati pechisungo chedenderedzwa chebhodhi rekudzivirira mvura kwemugero uye chisungo chemucheka hachifaniri kunge chiri pasi pe1.0m. Pamberi pemvura yekudzivirira mvura isati yaiswa, bhodhi rekudzivirira mvura harifaniri kusimbiswa, uye nzvimbo yebhodhi ichanyatsobatanidzwa nepamusoro pepfuti uye haifaniri kubviswa.
Nguva yekutumira: Aug-19-2022