Recent Entries

  • Asphalt Pavement Mechanical Paving Process and Control

    ⑴ Strictly control the baseline. When the paver is automatically leveling, it needs to have an accurate datum plane (line). The commonly used methods for determining the datum plane include the tightrope method and the floating datum beam method. When the control of height is the main thing, it is a...
  • The treatment measures of pavement cracks

    Repair of transverse, longitudinal and reflective cracks   ⑴ When the seam width is less than 2mm, it can not be processed. The seam width of 2-5mm available modified emulsified asphalt seam, greater than 5mm available modified asphalt (such as SBS modified asphalt) seam. Before filling th...
  • The main cause of cracks

    There are many reasons for asphalt pavement cracking, which can be roughly divided into three categories:   One is due to the action of traffic load and produced structural failure crack under the action of wheel load, when the pavement structure layer at the bottom of the tensile stress is g...
  • Introduction on Mesh Crack of Asphalt Pavement

    Definition of network crack A mesh lattice of cracks, the spacing of the size of the similar. The shape of such cracks is irregular large polygons (or large grids), which are different from cracks in shape and size. Usually, the short side length is more than 40cm, the long side length is less than...
  • Asphalt Horseshoe Asphalt Pavement

    It refers to the road surface that is made of asphalt mastic mixture as a surface or anti-slip layer. Asphalt horseshoe fat crushed stone mixture (SMA) is a kind of anti-slip surface layer with large structure depth formed by mixing, spreading and compaction with asphalt horseshoe fat composed of m...