Results 11 to 20 of about 9,666 (88)
The effectiveness of grouted macadam at intersections. : A life-cycle cost analysis
, 2012 Intersections often experience severe rutting in the asphalt concrete layers due to slow moving, high loads, acceleration, deceleration and turning. This thesis aims to investigate the effectiveness of grouted macadam, open graded asphalt with its voids filled with cement grout, as a pavement material at intersections.
Jacobsen, Sofie
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Preliminary In-Situ Evaluation of an Innovative, Semi-Flexible Pavement Wearing Course Mixture Using Fast Falling Weight Deflectometer. [PDF]
Materials (Basel), 2018 In the last forty, years semi-flexible pavements have been successfully employed, especially in those areas subjected to heavy and slow-moving loads. They usually comprise a wearing course of Grouted Macadam, a composite pavement material that provides ...
Pratelli C +3 more
europepmc +2 more sources
Advances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022 Under the repeated action of traffic and thermal loads, a cement concrete pavement slab may partially lose contact with its base course, and voids may develop underneath the slab. Such distress will greatly impact the pavement performance. To fill the voids and restore the base support to the slab, the technology of polymer grouting has been ...
Can Cui +4 more
wiley +1 more source
Mathematical Problems in Engineering, Volume 2022, Issue 1, 2022., 2022 Polymer grouting materials have been widely used in road repair projects. In order to study the application of polymer grouting materials in repairing the joint cracks and voids of new and old subgrades in the reconstruction and expansion projects of expressways. According to the phenomenon investigation data, ABAQUS finite element software was used to
Songtao Li +5 more
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Study of the Effect of Grouting Material Strength on Semiflexible Pavement Material
Advances in Materials Science and Engineering, Volume 2022, Issue 1, 2022., 2022 In this study, cement mortars with different strengths are poured into the large void matrix asphalt macadam material as a semiflexible pavement (SFP) material and the experimental research is carried out. The current research on SFP is mainly focused on the performance of grouting materials and the influence of grouting matrix materials on the overall
Qingguo Yang +9 more
wiley +1 more source
Mechanical Analysis of Preventing Reflection Cracks Based on Stress Absorbing Layer
Advances in Civil Engineering, Volume 2022, Issue 1, 2022., 2022 After asphalt concrete overlay, the reflection crack in the old pavement remains a great challenge. In order to overcome this problem, here, we report the effect of stress absorbing layer on the reflection crack. First, the concrete measures to prevent and reduce reflection cracks at home and abroad are analyzed.
Lingjie Han +4 more
wiley +1 more source
Multiple Reflective Cracks in Semirigid Base Asphalt Pavement under Traffic Load Using XFEM
Advances in Civil Engineering, Volume 2022, Issue 1, 2022., 2022 This paper built a three‐dimensional layered structure model of semirigid base asphalt pavement with single and double transverse reflective cracks based on the Extended Finite Element Method and fatigue fracture theory. The effects of the number of cracks, crack spacing, and crack length on the stress intensity factors (KI, KII, and Keff) under moving
Lei Guo +4 more
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Research on Fatigue Model of Semi‐Rigid Base Asphalt Pavement before and after Polymer Grouting
Advances in Civil Engineering, Volume 2021, Issue 1, 2021., 2021 To improve the service life of a semirigid base asphalt pavement and prolong its service cycle, it is imperative to conduct long‐term performance research before and after pavement disease repair. This study proposes a fatigue damage model for pavement and polymer materials and uses the finite element method to establish a three‐dimensional numerical ...
Bei Zhang +8 more
wiley +1 more source
Advances in Materials Science and Engineering, Volume 2021, Issue 1, 2021., 2021 In this study, the self‐developed grouting mold was used to study the heat release characteristics of different density polymer grouting material under different temperature conditions. The spatial distribution characteristics of the frozen soil subgrade temperature field under the effect of polymer grouting repair were analyzed.
Bei Zhang +6 more
wiley +1 more source
Mathematical Problems in Engineering, Volume 2015, Issue 1, 2015., 2015 Prediction of tunneling induced soil deformation is an important issue in the design of tunnels constructed in the densely populated urban areas. In this paper, commercial FEM software 3D ABAQUS is adopted to simulate the behavior of soil caused by tunneling under vehicle loads in the coastal reclamation area. A field case study was also carried out to
Baoping Zou +7 more
wiley +1 more source