| dc.description.abstract | Recently, the Executive Yuan in the 20 October 2008 approved the program to promote the smoothness road, so that government agencies actively promoting smoothness road and underground manhole plans. Significantly increase the domestic traffics, domestic livelihood trench for sewer construction projects and the increase in demand, often due to pipeline laying, maintenance or other factors and then tap the migration path, so that affects the smoothness of the pavement.
This research mainly using lumped mass system of theory at the manhole peripheral different backfill material mechanics analysis, and laying at the scene after the completion of field trials testing, and using the concept of Building Information Modeling(BIM) into the pavement of the manhole, testing and analyze test results compared to assess the effectiveness of various surface materials. The smoothness measurement, density, sliding value of the results, there was no significant difference between the three materials; the results of stiffness order has High-early Strength Concrete＞Hot-Mix Asphalt Concrete＞Resin Asphalt Concrete; but can be made using the initial smoothness manhole engineering methods better then underground manhole engineering methods, which found that manhole for the set point and the type caused of the shaking force, affecting the material surface smoothness and uneven subsidence.
Finally, the use of Building Information Modeling(BIM) concept of the manhole type, engineering methods, choice of materials related, into various stages and maintenance management, planners, designers and users have encountered the material properties and to understand the impact of smoothness roads, allowing follow up the managers to sharing of resources, hoping to make improved manhole smoothness.
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