Load Support
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MiraCell™ cellular confinement system produces a semi-rigid road base for effective horizontal load spreading and reducing sub grade contact pressure. Extended road life is ensured due to minimum surface deformation allowing increased load repetitions.
Features and Benefits of the MiraCell™ Cellular Confinement System The MiraCell™ cellular confinement system improves the load-deformation performance of granular infill materials due to the hoop strength of individual cells, the passive resistance of infill material in adjacent cells and vertical stress transfer to adjoining cells. When compared to 2-dimensional sheet reinforcement materials, the stiffness of the 3 dimensional MiraCell™ system is significantly greater and does not require initial deformation to support the design load. The MiraCell™ cellular confinement system dramatically increases the shear resistance of granular infill materials allowing the use of lower aggregates (e.g. sand, gravel) to carry concentrated loads that would otherwise require crushed stone or bituminous mixes to prevent localized, near-surface, shear failure. The cellular structure also distributes concentrated loads to surrounding cells thus reducing the stress on the sub grades directly beneath the load and the required total thickness of the structure. The MiraCell™ load support system can offer several advantages over conventional solutions and alternative systems. When very soft soils and heavy loads are a factor, the system can reduce costs by reducing the required section thickness. Where aggregate materials are expensive or unavailable, the system can reduce costs by incorporating locally available materials. Typical applications of MiraCell™ Load Support - Granular Access Roads
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