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Laboratory

ORGANIZATION CHART OF CIVIL ENGINEERING TESTING LABORATORY LAS-XD 367 (CEL)

 

INTRODUCTION

 

Address: 38 Le Thanh Phuong Street – Nha Trang City – Khanh Hoa Province.
Tel:  (+84)58. 3563 607   -   Fax: (+84)58. 3563 888
  -  Email: dung.l@pecc4.vn;

The former of Civil Engineering testing Laboratory LAS-XD367 was an experiment team belonging to Survey Department - Southern Region Power Planning and Designing Sub-Institute, which was established on July 14th, 1976. The Laboratory was recognized by Ministry of Construction of Vietnam as Accredited Laboratory with code certification LAS-XD367 on decision No. 1458/QĐ-BXD dated July 20th, 2005.

Activities of Civil Engineering testing Laboratory are based on procedures, which were defined in Quality manual of Company in ISO 9001:2008 Quality system, certified by BUREAU VERITAS CERTIFICATION organization.

Field of testing:

-  In-lab and in-situ testing on geotechnics;

- Testing constructional materials (cement, sand, coarse aggregates, steel, ect…);

- Design mixture proportions and Testing on physico-mechanical properties of concrete, roller compacted concrete (RCC), concrete mixtures, mortars;

- Testing to verify the quality of construction works.

 

LIST OF PERFORMED TESTS

 

No

Content

Standard

1

TESTING ON PHYSICO-MECHANICAL PROPERTIES OF CEMENT, MINERAL ADDITIVES
Number of tests enable to be performed: 07 tests
Main tests are as follows:




  - Cements - Determination of fineness

TCVN 4030:2003

  - Cements - Determination of strength TCVN 6016:2011
   - Cements - Determination of setting time and soundness TCVN 6017:2015
  - Cements - Determination of loss of ignition TCVN 9203: 2012; ASTM C114
   - Mineral additives - Define strength activity index with Portland cement ASTM C311

2

TESTING ON CONCRETE MIXTURE, HEAVYWEIGHT CONCRETE AND ROLLER COMPACTED CONCRETE
Number of tests enable to be performed: 16 tests
Main tests are as follows:




  - Heavyweight concrete compounds - Vebe test TCVN 3107:1993; ASTM C1170
  - Concrete mixture - Composition analysis TCVN 3110:1993
  - Heavyweight concrete - Define water tightness TCVN 3116:1993; 14TCN 65 - 2002
  - Heavyweight concrete - Define compressive strength TCVN 3118:1993; ASTM C39
  - Heavyweight concrete - Define flexural tensile strength
TCVN 3119:1993
   - Heavyweight concrete - Define splitting tensile strength

TCVN 3120:1993; ASTM C496

 

- Heavyweight concrete - Define direct tensile strength

CRD-C164
 

- Concrete mixture - Define setting time

ASTM C403
 

- Concrete mixture - Define air content

ASTM C231; TCVN 3111:1993

  - Concrete - Define static modulus of elasticity and Poisson’ ratio ASTM C469

3

TESTING ON MASONRY MORTAR
Number of tests enable to be performed: 06 tests
Main tests are as follows:




   - Define maximum size of aggregates TCVN 3121-1: 03
  - Define consistence of fresh mortar TCVN 3121-3: 03
  - Define flexural and compressive strength of hardened mortar TCVN 3121-11: 03

4

 TESTING ON CONSTRUCTION MATERIALS
Number of tests enable to be performed: 21
tests
M
ain tests are as follows:




   - Determination of particle size distribution.

TCVN 7572-2: 2006

   - Petrographical analysis of thin slice by microscope for determination of rock name

TCVN 8734 : 2012

  - Determination of strength and softening coefficient of the original stone TCVN 7572-10: 2006; ASTM D2938; GOST 21153.2
  - Determination of crushing value (ACV) of coarse aggregate TCVN 7572-11: 2006
  - Determination of resistance to degradation of coarse aggregate by abrasion and impact in the Los Angeles machine.

TCVN 7572-9: 2006

   - Determination of sulphate & sulphite contents TCVN 7572-16: 2006

5

TESTING ON PHYSICO-MECHANICAL PROPERTIES OF SOILS IN LABORATORY
Number of tests enable to be performed: 21
tests
Main tests are as follows:

 
  - Determination of specific gravity TCVN 4195:2012; ASTM D 854; GOST 5180
  - Determination of disintegration characteristics of soil. TCVN 8718: 2012; GOST 24143
  - Determination of shear resistance in a shear box apparatus

TCVN 4199:1995; ASTM D3080; GOST 12248

  - Determination of compressibility. TCVN 4200:2012; GOST 12248
  - Determination of compaction characteristics TCVN 4201:2012; ASTM D558; GOST 22733
  - Compression test on cohesive soils (UU; CU; CD)

TCVN 8868: 2011; ASTM D2850; ASTM D4767;  BS 1377; AASHTO T234; GOST 12248

 

- Consolidation test

ASTM D2435; GOST 12248

  - Unconfined compression test
ASTM D2166; GOST 12248
  - Determination of permeability coefficient of soil. TCVN 8723: 2012; GOST 25584

6

IN-SITU TEST ON PHYSICO-MECHANICAL PROPERTIES OF SOILS & FOUNDATION
Number of tests enable to be performed: 13 tests
Main tests are as follows:

 

  - Field test for determination of compactness degree of soils

TCVN 8730: 2012

  - Determination of shear resistance of soils by push sliding test

HD42

  - Cone penetration test. TCVN 9352: 2012
 

- Determination of elastic modulus of pavement components using static plate load method.

TCVN 8861: 2011
  - Determination of elastic modulus of pavement structure using Benkelman beam. TCVN 8867: 2011
  - CBR test of Soils. TCVN 8821: 2011; ASTM-D4429
  - Determination of deformation module by plate loading. TCVN 9354: 2012; GOST 20276; ASTM D1194

7

WATER CHEMICAL COMPOSITIONS ANALYSIS
Number of tests enable to be performed: 16 tests
Main tests are as follows:

 

 

  - Determination of pH value

TCXD 81:1981; GOST 2874

  - Determination of Carbonic (CO2) free and corrosive

TCXD 81:1981

  - Determination of total hardness

TCXD 81:1981; TCVN 6224 - 96; GOST 4151

  - Determination of bicarbonate, carbonate (HCO3-, CO32-)

TCXD 81:1981

  - Determination of Sulfate (SO42-)

TCXD 81:1981; TCVN 6200 - 96; GOST 24452 

  - Determination of particle size distribution of suspend solid  94TCN 13:96

8

WELD AND METALLIC MATERIALS TEST
Main tests are as follows:



 

- Destructive tests on welds in metallic materials - Transverse tensile test

TCVN 8310 : 2010

 

- Destructive tests on welds in metallic materials - Longitudinal tensile test

TCVN 8311 : 2010

  - Weld - Method of bending test

TCVN 5401 : 2010

 

- Metallic materials - Method of bending test

TCVN 198 : 2008; ISO 7438

  - Metallic materials - Tensile test at ambient temperature TCVN 197-1 : 2014

MAIN EQUIPMENT AND TYPICAL TESTS

 

DIRECT TENSILE STRENGTH TEST
OF CYLINDRICAL CONCRETE ON
HYDRAULIC UNIVERSAL TESTING MACHINE
TEST FOR PERMEABILITY OF CONCRETE HYDRAULIC COMPRESSION
MACHINE ELE 25 TON

TEST FOR RCC MIXTURE
IN MIXING MACHINE

COMPRESSION, FLEXURAL
MACHINE ELE 150 TON
COMPRESSION STRENGTH TEST
TEST FOR ULTRASONIC OF CONCRETE DIRECT SHEAR MACHINE CONFINED COMPRESSIVE MACHINE
     
PH MEASURE MACHINE EQUIPMENT FOR CBR TEST IN LAB TRIAXIAL COMPRESSION MACHINE
     
PUSH-SLIDING TEST OF SOIL  TEST FOR RCC TRIAL
EMBANKMENT IN-SITU
IN-SITU DENSITY MEASURE
- NUCLEAR DENSOMETER
     
HORIZONTAL DRILL – CONCRETE PUSH-SLIDING TEST OF CONCRETE STATIC COMPRESSIVE TEST
OF CONCRETE
     
 STATIC CONE PENETRATION TEST STATIC LOADING TEST IN-SITU DIRECT SHEAR MACHINE
– CONFINED COMPRESSIVE MACHINE
PUSH-SLIDING TEST IN TUNNEL

 

 
 
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