Product Description
With the aid of modern tools and sophisticated technologies, we have been able to provide the customers with an astounding assortment of California Bearing Ratio Apparatus. The offered range is widely used for determining the relative bearing ratio and expansion characteristics. These tests can also be conducted on all types of soils that includes sand, gravel and washed stone (passing through 20 mm IS sieve).
Specifications:
- Load Frame, 50 kn (5000 kgf)
- Mould 150 mm ID x 175 mm high
- Perforated base plate
- Extension collar, 150 mm ID x 50 mm high
- Penetration piston, 50 mm face diameter
- Adjustable bracket, for penetration dial gauge
- Circular metal spacer disc
- Annular metal weight, 2.5 kg, 147 mm diameter with 53 mm diameter central hole
- Perforated metal weight 2.5 kg, 147 mm diameter with 53 mm diameter soft
- Perforated plate, 148 mm diameter, with adjustable stem and lock nut
- Metal tripod for dial gauge
- Cutting collar
- Rammer 2.6 kg, 310 mm controlled drop
- Rammer 4.9 kg, 450 mm controlled drop
- Proving ring capacity 50 KN
- Dial gauge, 25 mm travel, 0.01mm least count
Reliable Solution for Soil Strength AnalysisThe CBR Apparatus delivers dependable results for determining the bearing capacity of soils, an integral factor in civil engineering. Its robust construction and range of included accessories make the testing process straightforward, whether in the lab or on-site. With customizable proving ring capacities and plunger movement, users can tailor the apparatus for varied applications in road construction and subgrade assessment.
Comprehensive Kit for Convenient TestingThis apparatus is supplied with essential testing accessories, such as penetration pistons and spacer discs, allowing users to perform accurate tests with minimal additional equipment. Sample preparation tools like compaction hammers and mixing tools are optionally available, facilitating the preparation of uniform test samples. The wooden box packaging ensures all parts remain protected and organized during storage or shipment.
FAQ's of California Bearing Ratio Apparatus:
Q: How is the California Bearing Ratio Apparatus used in soil testing?
A: The CBR Apparatus is primarily employed to measure the bearing strength of soils, which helps determine their suitability for road and pavement construction. By applying a measured force through the plunger and recording penetration values, engineers assess how soils will perform under load.
Q: What is the process for conducting a CBR test with this apparatus?
A: To conduct a CBR test, prepare a soil specimen using the optional compaction hammer and mixing tools, place it in the 150 mm x 175 mm mould, and position the load frame and attachments. The plunger is then pressed into the sample at a rate of 1.25 mm/min, and resistance is measured using the dial gauge and proving ring.
Q: When should the CBR Apparatus be used during construction projects?
A: The CBR Apparatus should be utilized during the site investigation or pre-construction phase, as it helps evaluate soil strength for subgrade and base materials. The results inform design decisions, material selection, and quality control during road and pavement construction.
Q: Where can this apparatus be used most effectively?
A: This CBR Apparatus is suitable for use in civil engineering laboratories, construction sites, and road-building projects. Its portability, due to the sturdy wooden box packaging, and manual operation make it convenient for both field and laboratory testing.
Q: What are the benefits of using a manual, powder-coated CBR Apparatus made of stainless steel?
A: Manual operation ensures straightforward, dependable use without reliance on electricity. The powder-coated, stainless steel construction resists corrosion, provides long-term durability, and promotes accurate, repeatable results in a variety of environments.
Q: Which accessories are included with the apparatus, and what options are available for sample preparation?
A: Included accessories are annular weights, penetration piston, spacer disc, cutting collar, perforated plate, and weights. Optional items for sample preparation, like a compaction hammer and mixing tools, are available to enhance test consistency and accuracy.