Black kufai a karkara: Manufacturing fasahar

Black tsakuwa ne ba ko da yaushe da na halitta albarkatun kasa, samar daga kankara m launi da crushing kuma m aiki. Wani lokaci yana da wani particulate abu wanda ake mai rufi da musamman bitumen abun da ke ciki ko dakata. Wannan aiki shi ne wajibi ne a samu wani samfurin da hakan abrasion juriya da kuma mannewa (mannewa halaye da sauran gini qagaggun).

Iri da kuma aikace-aikace

A cewar Gost baki kufai a karkara classified ta size sulusi da murabba'i:

1. Daga 5 zuwa 20 mm - sifting tsakuwa (grit), wanda ya wakiltar da mafi m-grained tsarin.
2. Daga 20 zuwa 40 mm - matsakaici-grained tsakuwa. Da aka fi amfani a yi.
3. Daga 40 zuwa 70 mm - da m abu, wanda a lokacin shigarwa da aka saba yi rasklintsovka (dutse redistribution cire voids).

Black murƙushe dutse musamman nauyi ne 2.9 t / m ^3, sabõda ^haka, an hawa kawai da nauyi inji.

Mafi sau da yawa wannan abu da ake amfani da kwanciya pavements, a birane, lungu da murabba'ai. Har ila yau, saboda yana sanya hanya kwalta zane. A lokacin da gina gidaje tare da wani ginshiki ko wani ginshiki na raw kayayyakin amfani na waterproofing.

Wani lokaci wannan sabon abu kayan amfani a cikin kayan ado na kewayen birni yankunan.

Bulk yawa daga black kufai a karkara ne 2900 kg.

Amfani ko rashin amfani

Daga cikin abũbuwan amfãni daga wannan abu ne don samar da:

1. Rage fatattaka. Wannan shi ne dalilin da ya sa misali kwalta suna ƙara maye gurbin baki juji.
2. Karuwan karfi da juriya na coatings sanya tare da wannan abu.
3. Good jure zamiya.
4. Long shiryayye rai.
5. Easy compressibility.
6. Yiwuwar stacking da kayan sanyi.

Black kufai a karkara, ƙarara yawanci rarrabe:

1. High permeability kayan.
2. Too tsawon wannan lokaci na samuwar da matafiya (har zuwa 1 ga watan). Idan abu ne da za a dage farawa a yanayin zafi da ke ƙasa sifili a marigayi kaka, tushe zai buga so ƙarfin kawai shekara guda.

Har ila yau, a lokacin da installing sabon matafiya shi zai zama ba zai yiwu ba ga exert karfi matsa lamba don har zuwa kwanaki 5.

Bigiren yi abu dogara sun fi mayar a kan hanya na yi.

Samar da fasaha da sanyi

Irin baki kufai a karkara kawai amfani ga gyara pavements. sanyi Hanyar Manufacturing fasaha a hanyoyi biyu: kai tsaye a kan shafin ko a cikin wani musamman shigarwa tare da m sufuri zuwa wurin aiki.

Ana shirya wani albarkatun kasa yin amfani da kwalta, bitumen kuma emulsions a zazzabi na daga 100 ⁰ C zuwa 200 ⁰ C. A sakamakon kayan da aka sanya a cikin sanyi. Lokacin da wannan zama dole yanayin ne da yawan zafin jiki, wanda ba zai kasa +5 ⁰ C.

Cold MacAdam ne a low danko, saboda haka za a iya adana a cikin sanyi da dakuna na dogon lokaci.

Technology na samar da dumi Hanyar

A wannan yanayin, da kayan da aka hõre zafi magani daga 80 ⁰ C zuwa 120 ⁰ C. Yana da ake amfani da shiryawa kufai a karkara dumi sabon hanya saman da low inji load. Amfani da kayan dole ne a zazzabi na 60 ⁰ C zuwa 100 ⁰ C.

Samar da fasaha zafi Hanyar

Hot baki murƙushe dutse samar a zazzabi daga 120 ⁰ C zuwa 180 ⁰ C. Ga magani daga cikin kayan da aka ma amfani da kwalta da bitumen. Amfani da shi ne kawai a lokacin da ta zafin jiki ne a cikin + 100-120 ⁰ C.

Tari dumi da kuma zafi MacAdam dole nan da nan bayan ta samar. Saboda haka ko da yaushe yi amfani da musamman kayan aiki Kwalta hawa pavements.

A cikin masana'antu muhallin da tsada kayan aiki amfani ga yi na baki juji.

Shi ne kuma ya cancanci a duba cewa raw kayan samar ƙarƙashin rinjayar high yanayin zafi, yana da matukar low juriya ga samuwar mold da fumfuna. Domin kawar da wannan hasara, a murƙushe dutse aka kara boric acid, diethanolamine da m acid dakatar.

Yadda za a shirya kanka?

Don samar da baki murƙushe dutse shi kadai, da wadannan aka gyara dole ne a gauraye:

1. Niƙa (mafi m farar ƙasa), sa M600. Yana da kyau a yi amfani da kayan na tsakiya sulusi da murabba'i (20-40 mm), tun da shi yana da kyau absorbent Properties.
2. Astringent bangaren. Kamar yadda shi ne shawarar yin amfani da bitumen BND 200/300. A girma daga cikin m ya zama na domin na 4-5% na jimlar nauyin tsakuwa.
3. NaOH ruwa-ruwa bayani (wannan abu zai iya amfani da wani emulsion).
4. Roba m acid a cikin adadin 3% by nauyi na bitumen.
5. Electric mahautsini tare da pear-dimbin yawa drum.
6. Na'ura for extracting zafi abu.

A mahautsini dole ne a sanye take da wani dumama kashi cewa zai samar da ake so zafin jiki don lura da juji.

A hadawa lokaci a cikin mahautsini dukkan aka gyara kai tsaye dogara a kan ƙarar da abinci da kuma girman da mahautsini.

Amfani da baki murƙushe dutse tayal iya duka waƙoƙi a kan wani kewayen birni sashe, ya samar da saman Layer na makafi yanki kusa da gidan, ko shirya abin dogara da kuma m mestodlya parking motarsa. Duk da haka, ya kamata ya yi la'akari da cewa a cikin zaman kansa shiri ne mai yiwuwa a yi amfani da wasu kayan, wanda suna da yawa sauki da kuma araha don sa hannuwanku ba tare da yin amfani da dumama abubuwa. Bayan da kwanciya da baki tsakuwa yana da wuya a yi shi kadai.