Mgbe ị na-etinye osisi mkpuchi mmiri nke ọwara, ọ dị mkpa ịgbaso usoro ndị a:
1. A ga-ebu ụzọ bechapụ akụkụ ndị na-apụta dị ka nchara nchara wee mee ka ọ dị nro na ntụ ntụ.
2. Mgbe enwere ọkpọkọ na-apụta, bepụ ha ma jiri ngwa agha mee ka ha dị nro.
3. Mgbe enwere akụkụ arịlịka nke arịlịka nke efere mmiri na-ekpuchi mmiri, a na-edobe elu nke isi ihe nkedo 5mm ma bepụ ya, wee mesoo ya na okpu plastik.
4. Mee ka elu ahụ dị nro ma dị mma site na ịfesa ihe, na ọnụ ọgụgụ nke enweghị isi ekwesịghị gafere ± 5cm.
5. N'elu ihe dị n'elu, 350g/m2 geotextile ga-ebu ụzọ mado ya na liner, na mgbe enwere mmiri mmiri, a ga-agbanye ya n'otu oge ahụ, mgbe ahụ, a ga-etinye mbọ ciment na ntu ntu maka arịlịka. , na ogologo mbọ ciment ekwesịghị ịbụ ihe na-erughị 50mm. Nkezi vault bụ 3-4 isi / m2, na akụkụ mgbidi bụ 2-3 isi / m2.
6. Iji gbochie ciment slurry ịbanye n'ime geotextile, buru ụzọ dina geotextile wee dina osisi mgbochi mmiri.
7. Mgbe ị na-etinye osisi na-ekpuchi mmiri, jiri akwụkwọ ntuziaka pụrụ iche welder na-ekpo ọkụ na-agbaze na liner, na ike nke njikọ na peeling nke abụọ ekwesịghị ịbụ ihe na-erughị ike tensile nke waterproof osisi.
8. A na-eji ngwaọrụ ịgbado ọkụ pụrụ iche na-ekpo ọkụ na-agbaze n'etiti mbadamba mmiri na-ekpuchi mmiri, akụkụ nkwonkwo agaghị abụ ihe na-erughị 10cm, na ike peeling na-ejikọta agaghị abụ ihe na-erughị 80% nke ike ike nke nne na nna.
9. Ebe dị anya n'etiti eriri gburugburu nke ọwara mmiri na-ekpuchi mmiri na nkwonkwo mkpuchi ekwesịghị ịbụ ihe na-erughị 1.0m. Tupu etinye akwa mmiri na-ekpuchi mmiri, a gaghị agbanye mmiri na-ekpuchi mmiri, na elu nke osisi ahụ ga-ejikọta ya na elu nke shotcrete ma ghara ịdọpụ ya.
Oge nzipu: Ọgọst-19-2022