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What does mean by CBR in sub base compaction test?
CBR stands for California Bearing Ratio, which is a test used to evaluate the strength of subgrade soil and sub-base materials in road construction. The test measures the resistance of a material to penetration by a standard-sized plunger, comparing it to the resistance of a standard crushed stone material. A higher CBR value indicates better load-bearing capacity, which is crucial for ensuring the durability and stability of the pavement structure. It is commonly used in the design of flexible pavements and in assessing the quality of sub-base materials.
What is density of granular sub base made with Sankar Garh crushed sand stone.?
The density of granular sub base made with Sankar Garh crushed sand stone can vary depending on factors such as the gradation of the material, compaction effort, and moisture content. Typically, the density of granular sub base materials ranges from 1400-1600 kg/m^3 when fully compacted. It is recommended to conduct specific tests on the material to determine its density accurately.
Can you use ballast as a sub base?
Ballast is typically a layer of coarse stones used to provide support and stability for railroad tracks or as a base for roads. It is not commonly used as a sub base for construction projects as it lacks the necessary strength and compaction characteristics required for a stable foundation. It's best to use materials specifically designed for sub base applications, such as crushed stone or gravel.
In building road which rock is used?
A commonly used rock in road construction is crushed stone or gravel. This type of rock is durable, easily compacted, and provides good drainage. It is often used as a base or sub-base material for roads. Other rocks that can be used include limestone, granite, and sandstone, depending on the specific requirements and availability in the area.
What are the key considerations for installing an artificial turf sub base?
Key considerations for installing an artificial turf sub base include proper drainage, compaction of the base material, ensuring a level surface, and using appropriate materials such as crushed stone or decomposed granite. It is important to follow manufacturer guidelines and consult with professionals to ensure a successful installation.
What base is needed for pea gravel driveway?
The sub-grade's compacted soil, topped by the sub-base of crushed stone and then the pea gravel.
Is the word sub base one word?
Yes, as an architectural term.It is subbase or sub-base to mean a baseboard or lowest pedestal part.
What is heading and sub heading?
A heading will allow the reader to understand what the topis is about. A sub-heading will allow the reader to understand what that particular section is about. For Example: Heading - Baseball Positions Sub Headings -First Base -Second Base -Third Base -Catcher Hopefully this helps....
What is the definition of sub decking?
Sub decking refers to the layer of material installed over the structural framework of a building or deck, providing a flat surface for the final flooring or decking material. It is typically made from plywood or oriented strand board (OSB) and serves to distribute loads evenly, enhance stability, and provide a base for insulation or weatherproofing. Sub decking is crucial for ensuring the longevity and structural integrity of the finished surface.
What are the different part of road section?
1. Sub-grade2. Sub-base3. Base Coarse4. WearingCoarse
How many types of granular sub base materials?
There are generally two types of granular sub base materials used in construction: crushed stone and gravel. Crushed stone typically consists of angular pieces of rock that are mechanically crushed, while gravel consists of rounded stones. Both materials are commonly used as a base layer to provide structural support for roads, driveways, and other structures.
What does sub standard material mean?
It means that the material does not meet at least one of the requirements in terms of its quality.
