Njia zipo za aina tofauti tofauti, hiyo drilling sio njia ya kutest bituminous Road quality. Labda angetumia mojawapo kati ya hizi
1. Crack index
2. International Roughness Index
3. Friction Testing, au
4. Falling Weight Deflectometer Test
Huyo kiongozi elimu yake ya upembuzi ndogo sana, haiwezekani mtu unakagua barabara ya lami kwa kuchimba na sururu eti anaangalia ubora.
Pia ubora wa dirisha eti kwa kupindisha chuma hajui hayo ni mapambo, yakipinda jee atashindwa kuzindua jengo? Binafsi simkubali uyo kiongozi
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