A yau, bari mu magana game da kasa misali ja tubali

###**1. Musamman nauyi (yawanci) na tubalin ja**
Matsakaicin (ƙayyadaddun nauyi) na tubalin ja yana yawanci tsakanin gram 1.6-1.8 akan centimita cubic (kilogram 1600-1800 a kowace murabba'in mita), ya danganta da ƙarancin albarkatun ƙasa (laka, shale, ko gangu na kwal) da tsarin sintiri.

###*2. Nauyin daidaitaccen bulo na ja**
-* * Matsakaicin girman * *: Ma'aunin bulo na kasar Sin shine * * 240mm × 115mm × 53mm * * (girman kamar * * 0.00146 cubic meters * *). Mita cubic ɗaya na daidaitattun tubalin ja na ƙasa kusan guda 684 ne.
-* * Nauyin yanki guda ɗaya * *: An ƙididdige shi bisa ƙimar gram 1.7 a kowace centimita cubic, nauyin yanki ɗaya kusan * * 2.5 kilogiram * * (ainihin kewayon * * 2.2 ~ 2.8 kilogiram * *). Kimanin guda 402 na daidaitattun tubalin ja na ƙasa kowace ton
(Lura: Bulogi mara nauyi ko bulo mai nauyi na iya zama mai sauƙi kuma ana buƙatar gyara bisa ga takamaiman nau'in.)
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###**3. Farashin ja bulo**
-* * Kewayon farashin raka'a * *: Farashin kowane bulo ja yana kusan * * 0.3 ~ 0.8 RMB * *, abubuwan da ke biyo baya sun shafa:
-Bambance-bambancen yanki: Yankunan da ke da tsauraran manufofin muhalli (kamar manyan birane) suna da tsada mai yawa.
-* * Nau'in ɗanyen abu * *: Ana cire bulo mai laka sannu a hankali saboda ƙayyadaddun muhalli, yayin da bulo ɗin shale ko gangu ya fi yawa.
-Ma'auni na samarwa: Babban sikelin samarwa na iya rage farashi.
-Shawarwari: Tuntuɓi kai tsaye tare da masana'antar tayal na gida ko kasuwar kayan gini don ƙididdiga na ainihi.

###**4. Matsayin ƙasa don Tubalin Sintered (GB/T 5101-2017)**
Ma'auni na yanzu a kasar Sin shine * * "GB/T 5101-2017 Sintered Ordinary Bricks" * *, kuma manyan buƙatun fasaha sun haɗa da:
- Girman da bayyanar: ƙyale girman girman ± 2mm, ba tare da lahani mai tsanani kamar bace gefuna, sasanninta, fasa, da dai sauransu.
-Ƙarfin aji: ya kasu kashi biyar matakai: MU30, MU25, MU20, MU15, da MU10 (misali, MU15 yana wakiltar matsakaicin ƙarfin matsawa na ≥ 15MPa).
-Durability: Dole ne ya dace da buƙatun juriya na sanyi (babu lalacewa bayan daskarewa-narke hawan keke), yawan sha ruwa (yawanci ≤ 20%), da lemun tsami (babu fashewa mai cutarwa).
-Buƙatun muhalli: Dole ne ya bi iyakoki don ƙananan karafa da gurɓataccen rediyo a cikin GB 29620-2013.
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###* * Matakan kariya**
-Madaidaicin yanayin muhalli: An hana yin amfani da tubalin yumbu ja saboda lalacewar filayen noma, kuma ana ba da shawarar a zaɓi tubalin sludge. Tubalin da aka ƙera daga ƙaƙƙarfan sharar gida kamar tubalin ma'adanin kwal, bulogin shale, da bulogin gangu na kwal.
-* * Karɓar Injiniya * *: Lokacin siye, ya zama dole a bincika takardar shaidar masana'anta da rahoton binciken bulo don tabbatar da bin ka'idodin ƙasa.