Construction Testing Laboratory

The Construction Testing Laboratory of K Beton is a quality control unit within Keramika Burgas AD. Established in 2005, the laboratory has proven its competence by working diligently to improve the quality of Keramika Burgas AD’s products. Our goal is to provide high-quality services with speed and commitment to the needs of our clients.

Our laboratory conducts testing in the following areas: Concrete Mixes, Hardened Concrete, Masonry Blocks, Floor Screeds, Concrete Aggregates, Natural Stone Materials, Construction Soils, Cement and Construction Mortars. A list of the services offered can be found in the attached file on our website.

The laboratory employs specialists with many years of experience and proven professionalism, applying the requirements of the regulatory acts and standardization documents in force in the Republic of Bulgaria.

The laboratory is equipped with modern technical means for sampling and testing with guaranteed reliability and metrological confirmation, ensuring high quality of the services offered.

The management of the company guarantees that the laboratory is independent and autonomous with regard to the testing activities it carries out. The principles of independence, impartiality and confidentiality apply to these activities. Representatives of testing clients may be present during the conduct of tests, upon being granted appropriate controlled access to the relevant areas of the laboratory, without influencing the testing process and the evaluation of results.

The K Beton Construction Testing Laboratory does not engage in activities that may compromise confidence in its competence, impartiality and independence.

LIST OF SAMPLING METHODS USED
No. Sampling/sub-sampling method (standardized/validated) Name:
1 2 3
I. CONCRETE AGGREGATES
1 BDS EN 932-1 Tests for general properties of aggregates. Part 1: Methods for sampling.
2 BDS EN 932-2 Tests for general properties of aggregates. Part 2: Methods for reducing laboratory samples.
II. CONCRETE MIX
3 BDS EN 12350-1 Testing fresh concrete. Part 1: Sampling.
III. MASONRY BLOCKS
4 BDS EN 771-1 Specification for masonry units. Part 1: Clay masonry units.
5 BDS EN 771-3 Specification for masonry units. Part 3: Aggregate concrete masonry units (dense and lightweight aggregates).
IV. CONSTRUCTION MORTARS
6 BDS EN 1015-2 Methods of test for mortar for masonry. Part 2: Bulk sampling of mortars and preparation of test mortars.
V. CEMENT
7 BDS EN 196-7 Methods of testing cement. Part 7: Methods of taking and preparing samples of cement.
VI. FLOOR SCREEDS
8 BDS EN 13892-1 Methods of test for screed materials. Part 1: Sampling, making and curing specimens for test.
LIST OF TEST METHODS USED
No. Test method for samples/sub-samples (standardized/validated) Name:
1 2 3
I. CONCRETE AGGREGATES
1 BDS EN 1097-3 Tests for mechanical and physical properties of aggregates. Part 3: Determination of loose bulk density and voids.
2 BDS EN 1097-5 Tests for mechanical and physical properties of aggregates. Part 5: Determination of water content by drying in a ventilated oven.
3 BDS EN 1097-6 Tests for mechanical and physical properties of aggregates. Part 6: Determination of particle density and water absorption.
4 BDS EN 933-1 Tests for geometrical properties of aggregates. Part 1: Determination of particle size distribution. Sieving method.
5 BDS EN 933-4 Tests for geometrical properties of aggregates. Part 4: Determination of particle shape. Shape index.
6 BDS EN 933-7 Tests for geometrical properties of aggregates. Part 7: Determination of shell content. Percentage of shells in coarse aggregates.
II. CONCRETE MIX
7 BDS EN 12350-2 Testing fresh concrete. Part 2: Slump test.
8 BDS EN 12350-6 Testing fresh concrete. Part 6: Density.
III. HARDENED CONCRETE
9 BDS EN 12390-1 Testing hardened concrete. Part 1: Shape, dimensions and other requirements for specimens and moulds.
10 BDS EN 12390-2 Testing hardened concrete. Part 2: Making and curing specimens for strength tests.
11 BDS EN 12390-3 Testing hardened concrete. Part 3: Compressive strength of test specimens.
12 BDS EN 12390-5 Testing hardened concrete. Part 5: Flexural strength of test specimens.
13 BDS EN 12390-7 Testing hardened concrete. Part 7: Density of hardened concrete.
14 BDS EN 12504-1 Testing concrete in structures. Part 1: Cored specimens. Taking, examining and testing in compression.
15 BDS EN 12504-2 Testing concrete in structures. Part 2: Non-destructive testing. Determination of rebound number.
16 BDS EN 13791 Assessment of in-situ compressive strength in structures and precast concrete components.
17 BDS EN 13791/NA Assessment of in-situ compressive strength in structures. National Annex (NA).
IV. MASONRY BLOCKS
18 BDS EN 772-1+A1 Methods of test for masonry units. Part 1: Determination of compressive strength.
19 BDS EN 772-3 Methods of test for masonry units. Part 3: Determination of net volume and percentage of voids.
20 BDS EN 772-11 Methods of test for masonry units. Part 11: Determination of water absorption by capillarity.
21 BDS EN 772-13 Methods of test for masonry units. Part 13: Determination of net and gross dry density.
22 BDS EN 772-16 Methods of test for masonry units. Part 16: Determination of dimensions.
23 BDS EN 1745 Masonry and masonry products. Methods for determining thermal properties.
V. CEMENT
24 BDS EN 196-1 Methods of testing cement. Part 1: Determination of strength.
25 BDS EN 196-3 Methods of testing cement. Part 3: Determination of setting times and soundness.
26 BDS EN 196-6 Methods of testing cement. Part 6: Determination of fineness.
VI. CONSTRUCTION MORTARS
27 BDS EN 1015-1 Methods of test for mortar for masonry. Part 1: Determination of particle size distribution.
28 BDS EN 1015-2+A1 Methods of test for mortar for masonry. Part 2: Bulk sampling of mortars and preparation of test mortars.
29 BDS EN 1015-3 Methods of test for mortar for masonry. Part 3: Determination of consistence of fresh mortar.
30 BDS EN 1015-6 Methods of test for mortar for masonry. Part 6: Determination of bulk density of fresh mortar.
31 BDS EN 1015-10 Methods of test for mortar for masonry. Part 10: Determination of dry bulk density of hardened mortar.
32 BDS EN 1015-11 Methods of test for mortar for masonry. Part 11: Determination of flexural and compressive strength of hardened mortar.
33 BDS EN 1015-12 Methods of test for mortar for masonry. Part 12: Determination of adhesive strength of hardened rendering and plastering mortars on substrates.
34 BDS EN 1015-18 Methods of test for mortar for masonry. Part 18: Determination of water absorption coefficient due to capillary action.
VII. SOILS
35 CEN ISO/TS 17892-4 Geotechnical investigation and testing — Laboratory testing of soil — Part 4: Determination of particle size distribution.
VIII. NATURAL STONE MATERIALS
36 BDS EN 1926:2008 Natural stone test methods — Determination of uniaxial compressive strength.
IX. FLOOR SCREEDS
37 BDS EN 13892-2 Methods of test for screed materials. Part 2: Determination of flexural and compressive strength.