zoo ntawm bitumen

Taw qhia rau Bitumen Quality

Bitumen, tseem hu ua asphalt, yog pob txha ntawm txoj kev tsim kho, vov tsev, thiab kev lag luam dej tsis zoo. Tab sis koj yuav ua li cas kom ntseeg tau tias cov bitumen koj yuav yog qhov zoo thiab haum rau koj cov kev xav tau?

Hauv phau ntawv qhia ua tiav no, peb yuav qhia koj yuav ua li cas kom paub txog qhov zoo ntawm bitumen siv cov qauv kev lag luam, kev sim, thiab cov lus qhia kev tshaj lij. Txawm hais tias koj yog tus neeg cog lus, tus neeg muag khoom, lossis tus neeg yuav khoom, nws yuav pab koj nkag siab yuav ua li cas ntsuas thiab xaiv qhov zoo tshaj plaws-qib bitumen.

1. Nkag siab txog qib Bitumen

Bitumen los ntawm ntau qib, txhua tus haum rau cov ntawv thov tshwj xeeb:

  • Penetration Qib Bitumen (xws li, Bitumen muaj 60/70, 80/100): Raws li hardness

  • Viscosity Qib Bitumen (piv txwv li, VG10, VG30, VG40): Raws li kev khiav hauj lwm

  • Kev Ua Haujlwm Qib Bitumen (piv txwv li, PG 64-22, PG 76-22): Siv nyob rau hauv txoj kev loj, raws li kev nyab xeeb

  • Oxidized Bitumen (piv txwv li, 85/25, 90/40, Bitumen muaj 115/15): Haum rau waterproofing

  • MC30 thiab dej puag Emulsion Bitumen hmoov: Siv rau hauv daim ntawv thov txias thiab tu

👉 Sib piv cov qib rau koj qhov project yog thawj kauj ruam hauv kev lees paub zoo.

2. Kev ntsuam xyuas tseem ceeb los txiav txim siab Bitumen zoo

Nov yog cov kev ntsuam xyuas tseem ceeb tshaj plaws hauv cov chaw kuaj mob los ntsuas qhov zoo ntawm bitumen:

Xeem Lub Npe lub hom phiaj Tus nqi tsim nyog
Kev xeem nkag Ntsuas qhov sib xws & hardness Nws txawv raws qib (piv txwv li, 60–70 mm)
Softening Point Test Txiav txim siab ua kom sov Siab softening = zoo dua
Ductility Test Ntsuas elasticity > 100 cm nyiam
Viscosity Test Kev ntsuas ntws hauv qhov kub thiab txias Qhov ruaj khov viscosity yog qhov tseem ceeb
Flash Point Test Ua kom muaj kev nyab xeeb thaum cua sov Qhov kub yuav tsum yog> 220 ° C
Poob rau cua sov Qhia kev laus tiv thaiv Tsawg dua 1% pom zoo
 

Cov kev sim no yuav tsum tau ua nyob rau hauv cov ntawv pov thawj nrog cov txiaj ntsig tau muab los ua ib feem ntawm Daim Ntawv Pov Thawj Kev Ntsuam Xyuas (COA).

3. Kev soj ntsuam pom ntawm Bitumen

Ua ntej yuav khoom, xyuas cov khoom ntawm lub cev:

  • Xim: Sib sib zog nqus, nplua nuj dub yam tsis muaj qhov khoob khoob khoob

  • Kev ntxhib los mos: Smooth, nplaum, tsis muaj granules

  • Tsis hnov tsw: yuav tsum tsis txhob muaj tshuaj muaj zog los yog kub hnyiab tsw

Tsis txhob bitumen uas zoo nkaus li plua plav, flaky, lossis oily txawv txawv.

4. Cov ntawv pov thawj thiab cov ntaub ntawv zoo

Nco ntsoov thov cov hauv qab no ua ntej kev yuav khoom:

  • ✅ Certificate of Analysis (COA)

  • ✅ Cov Ntaub Ntawv Kev Nyab Xeeb Cov Ntaub Ntawv (MSDS)

  • ✅ Batch Number thiab hnub tsim khoom

  • ✅ Ua raws li ASTM, AASHTO, EN, lossis cov qauv hauv cheeb tsam

Cov ntaub ntawv no ua kom traceability thiab lav.

5. Bitumen Application Performance Indicators

High-quality bitumen yuav tsum:

  • Bond zoo nrog aggregates

  • Tiv thaiv rutting thiab los ntshav

  • Nyob twj ywm hauv qhov kub thiab txias

  • Nyob ruaj khov nyob rau hauv cov tsheb thauj khoom hnyav