A na-ekewa ala oyi akwa nke pavement asphalt ka ọ bụrụ nke siri ike na nke siri ike. Ebe ọ bụ na oyi akwa na akwa akwa bụ ihe dị iche iche nke ihe dị iche iche, ezigbo njikọ na ịga n'ihu n'etiti abụọ ahụ bụ ihe kachasị mkpa maka ụdị pavement a. Tụkwasị na nke ahụ, mgbe oyi akwa nke asphalt na-asọpụta mmiri, ọtụtụ n'ime mmiri ahụ ga-etinye uche na njikọ dị n'etiti oyi akwa elu na oyi akwa, na-emebi pavement asphalt dị ka slurry, ntọhapụ, na oghere. Ya mere, ịtinye akwa mkpuchi dị ala n'elu akwa mkpuchi nke ọkara siri ike ma ọ bụ nke siri ike ga-arụ ọrụ dị mkpa n'ịkwalite ike, nkwụsi ike na ikike mgbochi mmiri nke oyi akwa structural pavement. Nke a na-ejikarị bụ iji asphalt gravel synchronous sealing technology.

Lower akara oyi akwa
Njikọ n'etiti oyi akwa
Enwere ọdịiche pụtara ìhè n'etiti oyi akwa asphalt na ọkara siri ike ma ọ bụ nke siri ike n'ihe gbasara nhazi, ihe mejupụtara, teknụzụ ihe owuwu na oge. A na-emepụta ihe na-amị amị n'etiti oyi akwa na akwa akwa. Mgbe ị gbakwụnye akwa mkpuchi mkpuchi ala, oyi akwa na akwa akwa nwere ike jikọọ nke ọma n'ime otu.

Nyefee ibu
Nkịta elu nke asphalt na ọkara siri ike ma ọ bụ nke siri ike na-arụ ọrụ dị iche iche na usoro nhazi pavement. Igwe oyi akwa nke asphalt na-arụ ọrụ nke mgbochi skid, mgbochi mmiri, mkpọtụ mkpọtụ, mgbochi ịkwa akwa na mgbawa, na-ebufe ibu na oyi akwa. Iji mezuo ebumnuche nke ibufe ibu, a ga-enwerịrị ike ịga n'ihu n'etiti oyi akwa elu na akwa akwa. Enwere ike nweta ihe na-aga n'ihu a site na ọrụ nke oyi akwa mkpuchi ala (nkịta nrapado, oyi akwa permeable).

Melite ike okporo ụzọ
Ihe na-agbanwe agbanwe nke akwa oyi akwa asphalt na ọkara siri ike ma ọ bụ nke isi ike dị iche iche. Mgbe ejikọtara ha ọnụ ma tinye ya n'ọrụ, ụdị mgbasa ozi nrụgide nke oyi akwa ọ bụla dị iche na nrụrụ ahụ dịkwa iche. N'okpuru omume nke vetikal ibu na mpụta mmetụta ike nke ụgbọ ala, The elu oyi akwa ga-enwe mgbanwe omume metụtara isi oyi akwa. Ọ bụrụ na esemokwu dị n'ime na ike njikọ nke oyi akwa n'onwe ya na nkwụsịtụ na nrụgide nrụgide na ala nke elu elu enweghị ike iguzogide nrụgide a na-agbanwe agbanwe, oyi akwa elu ga-ata ahụhụ site na ịkwanye, rutting, na ọbụna ịtọpụ na peeling. Ya mere, a ga-enyerịrị ike ọzọ iji gbochie mmegharị a n'etiti ọkwa. Mgbe agbakwunyere oyi akwa mkpuchi nke ala, esemokwu na ike njikọ iji gbochie mmegharị ahụ na-abawanye n'etiti ọkwa, nke nwere ike ịmalite ọrụ njikọ na mgbanwe n'etiti siri ike na ịdị nro, nke mere na oyi akwa elu, isi oyi akwa, akwa mkpuchi na ntọala ala nwere ike iguzogide. ibu ọnụ. Iji mezuo ebumnuche nke imeziwanye ike zuru oke nke elu okporo ụzọ.

Waterproof na impermeable
N'ime ihe owuwu dị iche iche nke pavement asphalt nke okporo ụzọ awara awara, opekata mpe otu oyi akwa ga-abụrịrị ụdị ngwakọta asphalt dị larịị nke I. Ebumnuche ya bụ ịkwalite njupụta nke oyi akwa elu ma gbochie mmiri dị n'elu imebi ma mebie pavement na pavement base. Ma nke a naanị ezughị, n'ihi na na mgbakwunye na imewe ihe,-ewu nke asphalt ihe na-emetụtakwa ọtụtụ ihe dị ka asphalt àgwà, nkume Njirimara, nkume nkọwa na n'ike-n'ike, mmanụ-nkume ruru, ịgwakọta na paving akụrụngwa, Rolling okpomọkụ. , oge mpịakọta, wdg. Mmetụta. Ngwunye elu, nke kwesịrị inwe ezigbo njupụta na ihe fọrọ nke nta ka ọ bụrụ efu mmiri na-ekpuchi mmiri, na-enwekarị oke mmiri dị elu n'ihi njikọ ụfọdụ na-adịghị adị, si otú a na-emetụta ikike mgbochi anya nke pavement asphalt. Ọ na-emetụtakwa nkwụsi ike nke pavement asphalt n'onwe ya, oyi akwa na ntọala ala. Ya mere, "Technical Specifications for Construction of Highway Asphalt Pavement" na-akọwa n'ụzọ doro anya na mgbe ọ dị na mpaghara mmiri ozuzo na oyi akwa nke asphalt nwere nnukwu oghere na mmiri mmiri siri ike, a ga-edobe oyi akwa mkpuchi ala n'okpuru oyi akwa asphalt.

Atụmatụ ihe owuwu mkpuchi oyi akwa ala
Ụkpụrụ na-arụ ọrụ nke synchronous gravel sealing bụ iji ngwá ọrụ pụrụ iche na-ewu ụlọ, igwe na-ekpuchi gravel synchronous, iji fesa asphalt dị elu ma dị ọcha, akọrọ na nkume edo edo n'elu okporo ụzọ ihe fọrọ nke nta ka ọ bụrụ n'otu oge, na-ahụ na asphalt na nkume na-efesa n'elu. elu okporo ụzọ na obere oge. Mezue nchikota na-aga n'ihu na-ewusi ike n'okpuru omume nke ibu mpụga.
Dị iche iche nke asphalt binders nwere ike ji mee ihe maka imekotaotuugbo sealing nke asphalt gravel: nro dị ọcha asphalt, polymer SBS gbanwetụrụ asphalt, emulsified asphalt, polymer gbanwetụrụ emulsified asphalt, diluted asphalt, wdg Ka ọ dị ugbu a, a na-ejikarị usoro na China eme ihe. kpoo asphalt na-ekpo ọkụ nkịtị ruo 140 Celsius ma ọ bụ okpomọkụ SBS gbanwere asphalt ruo 170 ° C. Jiri gwongworo na-agbasa asphalt ka fesa asphalt ahụ n'otu n'otu n'elu akwa akwa akwa siri ike ma ọ bụ nke siri ike, wee gbasaa mkpokọta ahụ nke ọma. A na-eji gravel limestone mee ihe nchịkọta nke nwere akụkụ nke 13.2 ~ 19mm. Ọ kwesịrị ịdị ọcha, kpọrọ nkụ, enweghị ihu igwe, enweghị adịghị ọcha, nwee ọdịdị dị mma. Ọnụ ego nke gravel kwesịrị ịdị n'etiti 60% na 70% nke ebe a na-adọba ụgbọala zuru ezu.
A na-achịkwa usoro nke asphalt na nchịkọta dịka oke nke 1200kg · km-2 na 9m3·km-2 n'otu n'otu. Mwube dị ka atụmatụ a si dị chọrọ nnukwu izi ezi na ọnụọgụ nke ịgbasa asphalt na mkpokọta na-agbasa, yabụ a ga-ejirịrị gwongworo mkpuchi asphalt synchronous ejiri rụọ ya. N'elu elu nke ciment-kwụsi ike gravel isi nke a na-efesa site, gbasaa asphalt na-ekpo ọkụ ma ọ bụ SBS gbanwetụrụ asphalt na ihe dị ka 1.2 ~ 2.0kg · km-2, wee gbasaa ọbụna akwa akwa gravel na otu ihe. nha n'elu. The size nke gravel na gravel urughuru size kwesịrị dakọtara na urughuru size nke asphalt ihe paved na waterproof oyi akwa. Ebe ọ na-agbasa bụ 60% ruo 70% nke pavement zuru ezu, mgbe ahụ, a na-eji igwe rọba rọba mee ka nrụgide 1 ruo ugboro abụọ guzosie ike. Ebumnuche nke ịgbasa gravel nwere otu nha bụ iji chebe oyi akwa mmiri na-adịghị emebi site na taya ụgbọ ala ndị dị ka gwongworo na okporo ụzọ asphalt ngwakọta n'oge a na-arụ ọrụ, na igbochi asphalt a gbanwere ka ọ ghara ịgbaze site na ihu igwe dị elu. na ngwakọta asphalt na-ekpo ọkụ. Wheel ga-arapara ma na-emetụta ihe owuwu ahụ.
N'echiche, gravel anaghị ejikọta ibe ha. Mgbe a na-emepe ngwakọta asphalt, ngwakọta okpomọkụ dị elu ga-abanye na oghere dị n'etiti gravel, na-eme ka akpụkpọ ahụ asphalt gbanwere site na okpomọkụ. Mgbe ọ na-atụgharị na compacting, gravel na-acha ọcha na-aghọ Asphalt gravel na-agbanye n'ime ala nke oyi akwa nke asphalt ka ọ bụrụ nke zuru ezu, a na-emepụta "akwa mmanu mmanu" nke ihe dịka 1.5cm n'okpuru ala nke oyi akwa ahụ, nke nwere ike. rụọ ọrụ nke ọma dị ka oyi akwa mmiri na-adịghị.