Babban nau'in kwalta kankare gaurayawan

Daidaitaccen abun da ke ciki na kankare kwalta shine kamar haka: dutsen da aka niƙa, yashi (yankakken ko na halitta), foda na ma'adinai da bitumen. Ƙarshe na ƙarshe na sutura yana samuwa ta hanyar ƙididdige ma'auni daidai, lura da wani zafin jiki da ƙaddamarwa ta amfani da fasaha na musamman.

Kwalta kankare tushe - abin ɗaure da aka samu ta hanyar haɗa foda mai ma'adinai da bitumen. Bayan hada yashi a cikin irin wannan abu, ana samun wani cakuda da ake kira turmi kwalta.
Liquid kwalta - Wannan kayan aiki ne mai mahimmanci don gano fashe a cikin rufi kuma tare da taimakonsa zaku iya kawar da ɓarna cikin sauƙi. https://xn--80aakhkbhgn2dnv0i.xn--p1ai/product/mastika-05. Don haɓaka rayuwar sabis na shingen kwalta sau da yawa, Mastic 05 kayan aiki ne wanda za'a iya amfani dashi koda ba tare da ƙwarewa na musamman da ƙwarewa a fagen aikin kwalta ba.

Akwai nau'ikan nau'ikan kwalta da yawa. An bambanta su ta yanayin zafin da aka shimfiɗa abun da ke ciki, da kuma girman danko na bitumen. Wadannan gaurayawan suna da zafi, dumi da sanyi. A ƙasa za mu tattauna ka'idar kwanciya ta yin amfani da nau'o'in nau'in kwalta na kankare.

1. Hot kwalta mix aka shirya ta amfani da danko bitumen. Ana adana zafin jiki na shirye-shiryen abun da ke ciki a cikin kewayon 140-160 ° C, yayin da ake yin kwanciya a zazzabi na kusan 120 ° C (amma ba ƙasa da hakan ba). An kafa tsarin a lokacin aikin ƙaddamarwa.

2. Haɗuwa da matsakaicin matsakaicin matsakaici (dumi), yayin shirye-shiryen yana buƙatar yanayin zafi daga 90 zuwa 130 ° C. Ana aiwatar da shimfidar ƙasa a t = 50-80 ° C. A wannan yanayin, tsarin yana ɗaukar tsawon lokaci don samarwa - daga sa'o'i biyu zuwa makonni biyu. Lokaci ya dogara da nau'in bitumen da aka yi amfani da shi.

3. Don shirye-shiryen nau'in nau'i na uku - sanyi, ana amfani da bitumen ruwa. Ana buƙatar tsarin zafin jiki a nan kawai a lokacin shirye-shiryen (har zuwa 120 ° C), yayin da ake yin kwanciya bayan cakuda ya huce. Akwai, ba shakka, a cikin irin wannan fasaha da kuma raguwa - lokacin ƙarfafawa da samuwar tsarin cakuda a cikin wannan yanayin ya fi tsayi - daga kwanaki 20 zuwa wata. Kalmar ta kuma dogara da nau'i da saurin kauri na zaɓaɓɓen bitumen, da zirga-zirgar sufuri, da yanayin yanayi.

Har ila yau, ana bambanta nau'in nau'in kwalta kankare gaurayawan dangane da girman barbashi mai ƙarfi, ɓangaren ma'adinai na abun da ke ciki. Akwai m-grained kwalta kankare (girman barbashi - har zuwa 25 mm), lafiya-grained (har zuwa 15 mm) da kuma yashi (mafi girman girman hatsi - 5 mm).

Dangane da abun da ke ciki da nau'ikan sansanonin, ana rarrabe nau'ikan haɗin gwal ɗin kankare masu zuwa:

a) don shirye-shiryen dumi da zafi mai yawa kwalta kankare abun da ke ciki:
• polygravel (abun ciki na tarkace a cikin abun da ke ciki - 50-65%);
• dutse mai tsauri (35-50% dakakken dutse);
• ƙananan tsakuwa (20-35% tsakuwa a cikin cakuda);
• yashi tare da yashi mai yashi, girman barbashi 1,25-5,00 mm;
• yashi bisa yashi na halitta,
• girman barbashi - 1,25-5,00 mm;

b) don shirye-shiryen simintin kwalta mai nau'in sanyi:
• dutsen da aka rushe - sassan 5-15 ko 3-10 mm;
• ƙananan tsakuwa - sassan 5-15 ko 3-10 mm;
• yashi, tare da girman ƙwayar 1,25-5,00 mm;

Ƙarƙashin kasan kwalta kwalta kwata-kwata yawanci ana yin shi tare da lissafin kashi 50-70 na dakakken dutse. Har ila yau, nau'in cakuda kwalta ya dogara ne akan hanyar daɗaɗɗen da aka yi amfani da shi a kan shimfidar pavement. Akwai gaurayawan simintin gyare-gyare, ramded, birgima da girgiza (wanda aka haɗa da farantin rawaya).