cbr value

USAGE SUMMARY

The phrase "cbr value" is correct and usable in written English.
It is typically used in technical contexts, particularly in civil engineering and geotechnical studies, to refer to the California Bearing Ratio value, which measures the strength of subgrade soil. Example: "The cbr value of the soil was tested to determine its suitability for the construction project."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

34 human-written examples

Young's modulus values were estimated for each test sample using the Laboratory CBR data and the stress at the CBR value.

International Journal of Geo-Engineering

The unsoaked CBR values did not show any significant change but the soaked CBR value showed substantial increase.

Procedia - Social and Behavioral Sciences

As an example, lateritic soils of Burkina Faso which are silica rich materials (SiO2 of 56.19 wt.%) (Millogo et al. 2008) have CBR value at 95% MDD (43%) higher than that in the study area (average CBR at 95% of 39) which are rather iron rich soils (Fe2O3 of 40.88 wt.%).

International Journal of Geo-Engineering

The WTP biosolids samples with an organic content of 22.1%, stabilized with the same percentages of BCFA, produced CBR values of 5.5%, 6% and 4% when cured for 7 days, compared with a CBR value of 3% for the unstabilized WTP biosolids sample.

Journal of Cleaner Production

The shear resistance at small shear displacement is thus low as shown by low CBR value of 9 12%.

Journal of Cleaner Production

For the CBR, the results of the tests showed an increase in the CBR value with the increase in slag content.

Journal of King Saud University - Engineering Sciences

Human-verified similar examples from authoritative sources

Similar Expressions

26 human-written examples

Figure 6 clearly exhibits that the curing period prior to 4 days soaked CBR tests has increased the CBR values.

International Journal of Geo-Engineering

All the locations listed with Liquidity Index values of −1.2 and below have CBR values between 15 and 20.5 % representing values that are the lowest in the CBR range of values.

International Journal of Geo-Engineering

The developed correlations to predict CBR would serve as a valuable tool to have independent check on the large data of laboratory evaluated CBR values in routine engineering practice.

Transportation Geotechnics

DCP testing was conducted to estimate California bearing ratio (CBR) values of the subbase and subgrade.

International Journal of Pavement Research and Technology

This paper studies compaction characteristics and California Bearing Ratio, CBR values of fine-grained soils, lateritic soils and crushed rocks.

Soils and Foundations

Expert writing Tips

Best practice

When discussing pavement design, explicitly state the conditions under which the "cbr value" was obtained (e.g., soaked vs. unsoaked) to avoid ambiguity.

Common error

Don't assume a higher "cbr value" always indicates better soil performance. Consider other factors like soil type, drainage, and environmental conditions, as a high CBR might be misleading if the soil is prone to swelling or frost heave.

Linguistic Context

The phrase "cbr value" functions primarily as a noun phrase, specifying a measurable attribute of soil or other materials. Ludwig AI confirms that it is a common term in technical contexts.

Expression frequency: Common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

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Ludwig's WRAP-UP

The phrase "cbr value" is a grammatically correct and commonly used term, particularly in the field of geotechnical engineering. As Ludwig AI indicates, it refers to the California Bearing Ratio, a crucial metric for assessing soil strength and suitability for construction. Its primary function is to quantify bearing capacity, with a formal and scientific register. It is frequently used in scientific contexts. When using this term, specify testing conditions and consider other soil properties for a comprehensive assessment.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

california bearing ratio value

Explicitly states the full name of the CBR abbreviation.

bearing capacity ratio

Focuses on the 'bearing capacity' aspect of the CBR.

soil strength rating

Highlights that the value represents a measurement of soil strength.

subgrade strength value

Specifically refers to the strength of the subgrade.

soil bearing capacity

Emphasizes the ability of the soil to bear loads.

material resistance rating

More generic term for a material's resistance to penetration.

penetration resistance value

Highlights resistance to penetration as the core concept.

load-bearing capacity index

Focuses on the index as a measure of capacity.

resistance to penetration

Describes what CBR measures without giving a numerical indication.

soil strength measurement

A general reference to measuring the soil's mechanical resistance.

FAQs

How is the "cbr value" used in pavement design?

The "cbr value" is used to determine the required thickness of pavement layers. A higher "CBR value" indicates a stronger subgrade, which allows for thinner pavement layers.

What does a low "cbr value" indicate?

A low "cbr value" suggests that the soil has a low bearing capacity and is susceptible to deformation under load. This often requires soil stabilization techniques to improve its strength before construction. This result also often requires an increase in thickness of pavement layers, or the use of stronger construction materials.

What are common methods to improve the "cbr value" of soil?

Common methods to improve the "cbr value" include adding stabilizers like cement or lime, using geosynthetics for reinforcement, and improving drainage to reduce moisture content. All of these solutions need to be properly dimensioned for the specifics of each project.

How does soaking affect the "cbr value"?

Soaking typically reduces the "cbr value", as water weakens the soil structure. Therefore, it's crucial to test soil under soaked conditions to simulate worst-case scenarios and ensure pavement stability. As the examples suggest, the presence of water negatively impacts the bearing capacity, therefore structural mitigation efforts need to be considered.