Ngwa ngwaahịa
Ngwa
1. ihe owuwu: a na-eji nkume a na-asa ákwà na-ejikarị eme ihe na ụlọ ọha na eze, Villas, ogige ụlọ mgbidi, ala. Dị ka villa na-asacha mgbidi nkume, permeable ala pụrụ iche sara nkume, ajịrịja nkume, ifuru akwa mgbidi pịa nkume, saa okwute, igwu mmiri n'ala na-asa pebbles na na.
2. ọhụrụ gburugburu ebe obibi nchebe osisi: na-asa nkume agba mara mma, eke, eyi na-eguzogide, ma na-eji na ọhụrụ wuru osisi, sandstone wuru nkume na ndị ọzọ ọhụrụ gburugburu ebe obibi nchebe ụlọ akụrụngwa.
3. mma odida obodo: nkume a na-asa na-ekewa n'ime eke na n'ibu abụọ, nwere ike hazie na ahaziri. A na-ejikarị okwute okwute, okwute okwute, okwute, okwute na ụlọ ahịa, elekere, uwe, akpa, ngwa akpụkpọ anụ, ndị na-akụ ifuru, akwarium, ihe ọkụkụ na ịchọ mma ahịhịa.
4. okwute pavement ubi: nkume a na-asacha nke ọma, ezigbo agba, nrụgide na nguzogide acid, ụzọ ịhịa aka n'ahụ ahụike ọgbara ọhụrụ pụrụ iche okwute, okwute pavement.
5. osimiri artificial, nchebe mkpọda mmiri, ọdọ ala, mkpọchi osimiri na okwute. Dị ka villa na-asacha mgbidi nkume, permeable ala pụrụ iche sara nkume, ajịrịja nkume, ifuru akwa mgbidi pịa nkume, saa okwute, igwu mmiri n'ala na-asa pebbles na na.
Arụ ọrụ dị mma nke nkume a na-asacha: akwa mkpuchi akwa + ịdị ọcha dị elu + nhazi dị elu + enweghị ọkụ na-eguzogide corrosion + na-egbuke egbuke na agba ọgaranya, atụmatụ.
(1) Mmiri dị elu: Nkume nkume a na-asacha nwere porosity nke 15% ruo 25%, na mmiri na-eme ka mmiri na-erute 270L / m 'kwa nkeji, nke dị elu karịa nkwụsị nke oke mmiri ozuzo na mmiri ozuzo kacha mma. usoro.
(2) High permeability: Nkume nkume a na-asacha nwere porosity nke 15% ~ 25%, na-eduzi elu na ala okpomọkụ nke ọma, na-achịkwa okpomọkụ na iru mmiri nke ikuku na elu, na-ebelata mmetụta nke àgwàetiti okpomọkụ nke ọma, ma nwee mmetụta dị mma. Uru nke nnabata ụda na mbelata mkpọtụ, na-enweghị atụ, wdg, nke nwere mmetụta dị mma n'ịkwalite gburugburu ebe obibi na imeziwanye nchekwa okporo ụzọ.
(3) Nchekwa gburugburu ebe obibi: Ọ nwere ike mejupụta mmiri dị n'ime ala nke ọma, melite nhazi ala, ma belata ohere nke idei mmiri, karịsịa n'akụkụ nchebe nke mkpọda gburugburu ebe obibi.
(4) Mma nka: ndị na-emepụta ihe nwere ike inye egwuregwu zuru oke n'echiche ha ma gosipụta mkpali ha. Ala permeable nwere uru doro anya na nkwupụta nke nnukwu akụkụ, ngọngọ multi-agba na nnukwu ohere.
(5) Mgbochi iyi siri ike: ogologo ndụ ọrụ.
(6) Agba na-egbuke egbuke: nwere mmetụta anya dị mma, kwalite ịdọ aka ná ntị.