Sentence examples for sub grade from inspiring English sources

Although the engineering properties of the soil was improved, the modified soil did not meet the requirements of the Nigerian General Specifications of not more than 35% passing sieve No. 200, maximum plasticity (PI) index of 30% and liquid limit (LL) of a maximum of 50% when used as a sub grade material in road construction.

Thus, it can be advocated that lime stabilized jarosite blends have the adequate strength to be used as a construction material in sub grade and sub base course for both types of pavement, and base course for rigid pavement design only.

The new requirements are universal, i.e. they do not correspond to a specific material standard or sub-grade.

To utilize this expansive soil in an effective way, proper treatment is required to improve the behavior of this soil as sub-grade.

The conventional methods for analysis of piles based on sub-grade reaction methods also do not account for the interaction between the vertical and lateral loads.

Design of landfills must consider stability both within and between elements of the lining system, within the waste and involving the sub-grade.

The laboratory investigations indicate that RBI Grade 81 with up to 5% optimizes the engineering properties of expansive soil to be used as sub-grade.

However, a ballast mat installation outdoors on surface track with sub-grade slabs may not have the same performance as a tunnel base where sides are stiffened by walls.

Clay soils are widely distributed throughout the world and are the source of multiple technical problems in their application for the construction of sub-grade and sub-road bases.

These problems can manifest themselves as stiffness related problems such as critical velocity issues (Surface Wave Velocity, Rayleigh Wave Velocity) or, sub-grade erosion resulting in high rates of deterioration in the vertical track geometry.

In order to figure out the mechanical performance of this new steel pre-installed modular railroad track assembly, the 3-D finite element model of the steel modular railroad track including with the track, ballast bed, sub-ballast and the sub-grade was built.