SCL Group
+1 (868) 675-5555
LP#45 Saddle Road. San Juan. Trinidad, West Indies
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Training & Development

SCL also offers training services to its customers in the concrete field such as training of batchers, technicians and sales staff.

Concrete Testing

Companies conduct compressive tests on concrete samples using compression machines. These machines are “expected” to be accurate since many important decisions are made based on their results. These machines can go “out of tolerance” and thereby not conform to the relevant British and/or American Standards. To ensure that the machines’ results are accurate, companies and/or their clients may require that the machine be calibrated at regular intervals and a “Certificate of Calibration” be issued as evidence of the accuracy of the unit.

Core Testing

This test is done for the same reasons as the Schmidt Hammer test, except that this involves cutting a core out of the suspect concrete, that is, it is a destructive test. Special equipment is used for extracting the core(s) and then they are tested for strength like a cylinder. Cores can be used for checking the properties of the concrete other than strength, such as aggregate distribution, maximum size aggregate etc.

Mixed Designs

This is the process of determining the quantity of each ingredient required to produce a concrete that has certain properties in its fresh and hardened states. It uses information from a sieve analysis etc. and the properties of the other raw materials to inform the process.

Consultancy

Consultancy services are available for the supervision or pours, the pre-pour planning and troubleshooting of problems in concrete.

Compression Testing of Cubes & Cylinders

Most construction requires that the quality of concrete supplied to the site be verified. For acceptance by the purchaser, generally, the concrete strength can be used as a good indicator of quality. Samples of the fresh concrete are used to make specimens in the shape of cubes or cylinders. These are allowed to harden for a number of days and they are then subjected to a compressive load until they fail. The load required to crush the specimen is considered the strength of the concrete. Many important decisions are made using these results.

Sieve Analysis

A sieve analysis is the test that is done on sand and gravel to determine the distribution of the different particle sizes that make up the material. It is done by passing a dried sample of the material through a series of sieves (screens) of varying sizes; the material that is retained on each sieve is weighed and calculated as a percentage of the total weight. This information can be cross-referenced with ASTM or other standards and is useful when doing mix designs for concrete and asphalt.

Trial Mixes

This is the process of actually batching and mixing the materials together as derived from the mix design process. This is done to verify the mix design and to confirm that the design meets the requirements.

Compressive Strength Testing

SCL has three Compression Testing Machines capable of stresses up to 1100kN and 2000kN respectively and capable of testing cubes, blocks and cylinders (typically from 2 inch to 6inch). The machines used are calibrated semi-annually and calibration records are available to customers. The laboratory is also equipped with storage facilities to maintain customer samples until testing has been completed. Results are provided within two working days after testing.

Cement Testing

There are a number of tests that can be done on cement, however, at SCL, the cement test offered to its customers only covers the check for setting time and strength. These are two properties of cement that can affect the average construction site and knowing their values can help the concrete producer.

Got Any Questions On Your Mind ?

Our staff comprises of 90 plus highly trained and motivated individuals.

Give Us A Call Today!

Trinidad: +1 (868) 675-5555
Guyana: +1 (592) 227-6716
Jamaica: +1 (876) 938-1379 / 1(876) 928-9797
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