Geosynthetics bụ okwu izugbe maka ihe sịntetik ejiri na injinia obodo. Dị ka ihe eji arụ ọrụ obodo, ọ na-eji polymer sịntetik (dị ka plastik, eriri kemịkalụ, roba sịntetik, wdg) dị ka ihe eji eme ụdị ngwaahịa dị iche iche, nke a na-etinye n'ime ala, n'elu ma ọ bụ n'etiti ala dị iche iche. , iji rụọ ọrụ nke mmiri na-adịghị na mmiri na mgbochi anya, mkwado, drainage na filtration na mweghachi nke ebe obibi.
Nkọwa nke ọdọ mmiri ọdụ ọdụ
1. Hydrology
Ọdọ mmiri ọdụdụ ọla kọpa dị na ndagwurugwu. Enwere mkpọda dị n'akụkụ ugwu, ọdịda anyanwụ na ndịda ndị kewapụrụ na usoro mmiri gbara ya gburugburu. Ọdọ mmiri ọdụdụ ahụ nwere ebe a na-adọba ụgbọala nke 5km². Enwere mmiri dị n'olulu ahụ n'afọ niile, mmiri na-asọba na-ebukwa ibu.
2. Topography
Ndagwurugwu ahụ na-adịkarị n'ebe ugwu ọdịda anyanwụ-ndịda ọwụwa anyanwụ, wee tụgharịa na ugwu ọwụwa anyanwụ na ngalaba Mizokou. Ndagwurugwu ahụ na-emeghe nke ọma, na nkezi obosara nke ihe dịka 100m na ogologo ya dị ihe dịka 6km. Ihe mgbochi mbụ nke ọdọ mmiri ọdụ ọdụ a chọrọ dị n'etiti ndagwurugwu ahụ. The topography nke mkpọda ụlọ akụ dị steepụ na mkpọda bụ n'ozuzu 25-35°, nke bụ tectonic denudation alpine landform.
3. Engineering ọnọdụ ala
Mgbe ị na-emepụta atụmatụ mgbochi-seepage maka ọdọ mmiri ọdụ, a ga-ebu ụzọ mee nyocha geoloji nke injinia nke mpaghara mmiri. Ụlọ ọrụ na-ewu ụlọ emeela nyocha geoloji nke injinia nke ọdọ mmiri ọdụ ụgbọ mmiri: ọ dịghị mmejọ na-arụ ọrụ na-agafe na mpaghara mmiri; Ala siri ike, ngalaba ebe a na-ewu ihe bụ Klas II; mmiri dị n'ime ala dị n'ime ebe a na-edebe mmiri bụ mmiri fissure mmiri na-ekpo ọkụ na-achịkwa; Nkume nkume ahụ kwụsiri ike, ma enwere mpaghara ihu igwe siri ike nke na-ekesa na mpaghara ebe mmiri ahụ, na-arụ ọrụ dị elu. A na-ekpebi n'ụzọ zuru ezu na ebe a na-arụ ọdụ ọdụ bụ ebe kwụsiri ike ma dịkwa mma maka iwu ụlọ nkwakọba ihe.
Atụmatụ mgbochi-seepage ọdọ mmiri ọdụ ọdụ
1. Nhọrọ nke ihe mgbochi seepage
Ka ọ dị ugbu a, ihe ndị na-eme ihe mgbochi na-eme ihe na-arụ ọrụ bụ geomembrane, sodium bentonite waterproof blanket, wdg The sodium bentonite waterproof blanket nwere dịtụ tozuru okè nkà na ụzụ na ngwa, na dum reservoir ebe nke a oru ngo a na-ezube ịbụ. tọrọ ya na sodium bentonite mmiri na-adịghị ekpuchi blanketị kwụ ọtọ.
2. Reservoir ala ala mmiri drainage usoro
Mgbe a na-ehichasị ala nke mmiri mmiri ma mesoo ya, a na-edobe akwa gravel nke 300mm dị n'okpuru ebe nchekwa mmiri dị ka mmiri mmiri na-asọpụta n'ime ala, na-edobe oghere kpuru ìsì maka drainage na ala nke mmiri mmiri, na DN500 ọkpọkọ gbawara agbawa. a na-edobe n'olulu kpuru ìsì dị ka isi nduzi maka mmiri mmiri. A na-edobe ọwa mmiri ndị kpuru ìsì maka mmiri mmiri ndu n'akụkụ mkpọda dị n'okpuru ọdọ mmiri ọdụ. Enwere olulu kpuru ìsì 3 n'ozuzu ya, a na-ahazikwa ha n'aka ekpe, n'etiti na aka nri na ọdọ mmiri ahụ.
3. Mkpọda ala mmiri drainage usoro
N'ebe a na-agbanye mmiri n'ime ala, a na-edobe netwọk mmiri nke geotechnical mejupụtara, na-edobekwa olulu mmiri na-ekpuchi anya na ọkpọkọ alaka ụlọ ọrụ na-edozi n'ime oghere alaka ọ bụla dị n'akụkụ ebe nchekwa, nke jikọtara ya na ọkpọkọ isi na ala nke ọdọ mmiri ahụ.
4. Mgbochi seepage ihe ịtọgbọ
Ihe mgbochi mgbochi seepage na mpaghara ọdụ ọdụ na-anabata blanketị mmiri na-adịghị na bentonite dabere na sodium. N'okpuru ọdọ mmiri ọdụ ahụ, a na-edobe akwa akwa mmiri na-agbapụta mmiri n'ime ala. N'ịtụle mkpa ọ dị ichebe mkpuchi mkpuchi mmiri nke sodium bentonite, a na-edobe ala dị mma nke 300mm dị n'elu akwa gravel dị ka ihe nchebe n'okpuru akpụkpọ ahụ. N'elu mkpọda ahụ, a na-edobe ụgbụ mmiri nke geotechnical mejupụtara n'akụkụ ụfọdụ dị ka oyi akwa mkpuchi n'okpuru akwa mkpuchi mmiri nke sodium-bentonite; N'akụkụ ndị ọzọ, a na-edobe geotextile 500g/m² dị ka oyi akwa nchebe n'okpuru akpụkpọ ahụ. Enwere ike iji akụkụ nke ụrọ siri ike dị na mpaghara ọdụ ọdụdụ dị ka isi iyi nke ala dị mma.
Ọdịdị nke oyi akwa mgbochi seepage na ala nke ọdọ mmiri ọdụ dị ka ndị a: ọdụdụ - sodium bentonite waterproof blanket - 300mm ezi-grained ala - 500g / m² geotextile - mmiri mmiri drainage oyi akwa (300mm gravel oyi akwa ma ọ bụ eke stratum na ezi permeability. , drainage oyi akwa kpuru ìsì) a larịị isi oyi akwa.
Ọdịdị nke mgbochi-seepage oyi akwa nke tailings mkpọda ọdọ mmiri (enweghị ebe mmiri dị n'ime ala): ọdụdụ - sodium bentonite waterproof blanketị factory 500g/m² geotextile - larịị isi oyi akwa.
Ọdịdị nke mgbochi-seepage oyi akwa na tailings ọdọ mmiri mkpọda (ya na ala mmiri ikpughe ebe): ọdụdụ - sodium dabeere bentonite waterproof blanketị - mmiri mmiri drainage oyi akwa (6.3mm mejupụtara geotechnical drainage grid, branched drainage ìsì olulu) - leveling isi oyi akwa .
Oge nzipu: Mar-11-2022