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Road pit repair technology
Topic Started: Mar 5 2017, 11:00 PM (82 Views)
happywork


Excavation of the old pavement: the measured, crossed, cutting, picking the wind picks, artificial shovel with the old material piled on the side. Note that the measurement line to be parallel or perpendicular to the road axis, cutting do not destroy the grass-roots level, such as damage to the grass should be found to be reinforced. In the past, when the pit repair repair directly to the pit flush on everything, so that repair the pit is not good-looking, and the quality can not be guaranteed, so in the current repair pit when the first must be measured crossed, so that the rules Into a party.
The main technical indexes of the old asphalt pavement. Such as Marshall stability, asphalt ratio, density and the old asphalt pavement asphalt content, stone gradation and other indicators test. As a result of a long period of traffic and sun and rain, the original asphalt pavement has varying degrees of aging, for which its various technical indicators can not meet the regeneration requirements, how to determine the technical indicators and in practice to promote is necessary The focus of the study.
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