Sentence examples for poor subgrade from inspiring English sources

However, construction of pavements on poor subgrade is unavoidable due to several constrains.

So utilization of waste materials as an additive to poor subgrade soil can be a feasible solution.

Sections were formed with a poor subgrade (A-6) and two structural layers: the first section consisted of a base course and a surface built using a natural aggregate and a low quality mixed recycled aggregate, respectively, and the second section, which was used as a reference, consisted of a soft crushed limestone aggregate.

This paper covers using CKD to improve the properties of poor subgrade soils based on series of California Bearing Ration (CBR) tests on sets of untreated samples and samples treated with different doses of CKD in combination with different curing periods to investigate their effects on soil properties.

In order to better make use of scarce resources and plan railway track and associated drainage maintenance rationally it would be helpful to better understand and quantify the relationships between the causes of poor subgrade and the railway track drainage system.

In most of the cases, in-situ soil would not be able to bear traffic/wheel loads coming on it and many roads fail due to poor soil subgrade.

These diseases are mainly caused by poor stiffness of soil subgrade and therefore it should be strengthened.

Despite these advantages, geotechnical concerns such as ballast degradation, fouling (e.g. coal and subgrade soil), poor drainage of soft subgrade, pumping of clayey subgrade, differential track settlement and track misalignment due to excessive lateral movements exacerbate the cost of track maintenance.

Field test sections in a highway were constructed and monitored to evaluate the performance of the following pavement solutions: fine-grained soil stabilised with lime, quarry waste, poor quality fill material enveloped by a nonwoven geotextile impregnated with asphalt, geotextiles as separation between the pavement base and the subgrade and between the base and the asphalt cap.

Life in the subgrade can be substandard.

In winter, a subgrade furnace blew hot air through a single giant duct.