No. | Name of testing | Legal basis |
1 | TESTING OF MECHANICAL AND PHYSICAL CHARACTERISTICS OF CEMENT |
|
| - Fineness, specific density of cement | TCVN 4030:03 |
| - Determination of bending and compact resistance limit | TCVN 6016:95 |
| - Determination of standard plasticity, setting time and volume stability | TCVN 6017:95 |
2 | CONCRETE MIXTURE AND HEAVY CONCRETE |
|
| - Determination of slump of concrete mixture | TCVN 3106:93 |
| - Testing of vebe hardness | TCVN 3107:93 |
| - Determination of volume quantity of concrete mixture | TCVN 3108:93 |
| - Determination of water separation, mortar separation | TCVN 3109:93 |
| - Determination of specific density | TCVN 3112:93 |
| - Determination of water absorption | TCVN 3113:93 |
| - Determination of volume quantity | TCVN 3115:93 |
| - Determination of compact resistance limit | TCVN 3118:93 |
| - Determination of bending tensile resistance limit | TCVN 3119:93 |
| - Determination of axial tensile resistance when splitting | TCVN 3120:93 |
| - Determination of prismatic intensity and static compression elastic modulus | TCVN 3126:93 |
3 | TESTING OF CONCRETE AGGREGATE AND MORTAR |
|
| - Grain size element | TCVN 7572-2:06 |
| -Lithological composition determination orientation | TCVN 7572-3:06 |
| - Determination of specific density, bulk density and water absorption | TCVN 7572-4:06 |
| - Determination of specific density, bulk density and water absorption of base rock and coarse aggregate | TCVN 7572-5:06 |
| - Determination of bulk density, porosity and gap | TCVN 7572-6:06 |
| - Determination of humidity | TCVN 7572-7:06 |
| - Determination of mud, dust, clay content in aggregate and content of clot clay in small aggregate | TCVN 7572-8:06 |
| - Determination of organic miscellaneous matter | TCVN 7572-9:06 |
| - Determination of strength and softening coefficient of base rock | TCVN 7572-10:06 |
| - Determination of compression level and softening coefficient of large aggregate | TCVN 7572-11:06 |
| - Determination of abrasion loss of large aggregate (Los Angeles) | TCVN 7572-12:06 |
| - Determination of flatted grain in large aggregate | TCVN 7572-13:06 |
| - Determination of alkali - silica reaction possibility | TCVN 7572-14:06 |
| - Determination of chloride content | TCVN 7572-15:06 |
| - Determination of sulphate and sulphite content | TCVN 7572-16:06 |
| - Determination of content of soft, weathered grain | TCVN 7572-17:06 |
| - Determination of content of amorphous silica | TCVN 7572-19:06 |
| - Determination of mica content | TCVN 7572-20:06 |
| - Content of aluminum oxide (Al2O3); content of ferric III oxide (Fe2O3) | TCVN 7131:02 |
| - Content of calcium oxide (CaO), magnesium oxide (MgO) | TCVN 7131:02 |
4 | TESTING OF MECHANICAL AND PHYSICAL CHARACTERISTICS IN LABORATORY |
|
| - Determination of specific density | TCVN 4195:95 |
| - Determination of humidity and moisture absorption | TCVN 4196:95 |
| - Determination of plastic limit, liquid limit | TCVN 4197:95 |
| - Determination of grain size elements | TCVN 4198:95 |
| - Determination of shear resistance on flat shears | TCVN 4199:95 |
| - Determination of sink compression in unconfined conditions | TCVN 4200:95 |
| - Determination of standard density | TCVN 4201:95 |
| - Determination of bulk density (density) | TCVN 4202:95 |
| - Testing of load resistance of soil (CBR) in laboratory | 22TCN 332-06 |
| - Determination of criteria of soil on triaxial compressor (UU; CU; CD; CV) | ASTM D 2850-95 |
| - One axial unconfined compression test | ASTM D 2166-01 |
| - Determination of permeability coefficient K | ASTM D 2434-00 |
| - Determination of disintegration characteristic of soil | 14TCN 132-2005 |
| - Determination of expansion characteristic of soil | 14TCN 133-2005 |
| - Determination of contraction characteristic of soil | 14TCN 134-2005 |
| - Determination of natural repose angle of loose soil | 14TCN 146-2005 |
| - Determination of content of organic matter of soil | 14TCN 148-2005 |
| - Determination of element and content of soluble salt | 14TCN 149-2005 |
5 | TESTING AT FIELD |
|
| - Measurement of density, humidity of soil by means of knife | 22 TCN 02-71 |
| - Humidity: proportion of soil in structure layer by means of pouring sand | 22TCN 346:06 |
| - Testing method for determination of elastic modulus "E" of road base by large compressed plate | 22TCN 211:06 |
| - Static penetration test (CPT) | TCXD 174:89 |
| - Screw penetration test | TCXD112:84 |
| - Field shear test (FVT) | ASTM D 2573-94 |
| - Standard penetration test (SPT) | TCXD 226:99 |
| - Determination of water absorption of soil by water pour-in test in excavated, drill holes | 14TCN 153:06 |
| - Determination of water absorption of rock by water intake test | 14TCN 83:91 |
6 | TESTING OF MORTAR |
|
| - Determination of maximum aggregate grain size | TCVN 3121-1:03 |
| - Determination of fluidity of fresh mortar | TCVN 3121-3:03 |
| - Determination of bulk density of fresh mortar | TCVN 3121-6:03 |
| - Determination of ability to keep fluidity of fresh mortar | TCVN 3121-8:03 |
| - Determination of initial setting time of fresh mortar | TCVN 3121-9:03 |
| - Determination of bulk density of solid mortar sample | TCVN 3121-10:03 |
| - Determination of bending and compression strength of solid mortar | TCVN 3121-11:03 |
7 | ANALYSIS OF CHEMICAL CHARACTERISTIC OF WATER FOR CONSTRUCTION |
|
| - Determination of content of insoluble residua | TCVN 4560:88 |
| - Determination of pH | TCVN 6492:99 |
| - Determination of content of chloride ion (Cl) | TCVN 6194:96 |
| - Determination of content of sulfate ion (SO4) | TCVN 6200:96 |
| - Determination of content of organic matter | TCVN 2671:78 |
| - Determination of content of sodium and potassium | TCVN 6196-3:00 |
| - Free and corrodible CO2 | TCXD 81:81 |
| - Carbonate hardness: hardness: no carbonate hardness | TCXD 81:81 |
| - Bicarbonate (HCO3) and carbonate (CO32); Ammonia and ammonium (HH4+) | TCXD 81:81 |
| - Calcium (Ca + +), magnesium (Mg + +); Oxygenation (COD) | TCXD 81:81 |
| Note: The Laboratory is authorized to carry out tests on equivalent standards such as: (ASTM, AASHTO, TCN, BS, JIS) |
