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Construction Material Testing

Admaterials is a premier platform based in Singapore that provides most dependable service on construction materials testing. The range of service includes concrete testing, construction chemical testing, polymer and coating testing and testing for building materials. It also provides concrete petrography, failure analysis and retrofitting/repair consultancy.

Construction Material TestingAs one of the premier construction materials testing organisations, Admaterials provides an array of services to its ever growing clientele. Its core services include

1. Concrete Testing2. Construction Chemical (Cement Mortar) Testing3. Testing For Polymer & Coating4. Building Materials testing

Apart from these, the firm also provides its state-of-the-art services on concrete petrography, failure analysis and retrofitting/repair consultancy.

Site Investigation & Failure AnalysisSite investigation and failure analysis are two crucial processes executed frequently by construction firms. These help determining any contamination existing at a site along with understanding its nature and extent and collecting and analyzing data to understand reasons of failure of a project, respectively.

Site Investigation:Site investigation is the process of analyzing a piece of land to ensure whether it has contaminations. The procedure confirms whether any contaminations exist at the site,

locating any existing contamination and if there is any, understanding its nature and extent. The process includes analyzing samples of soil, soil gas, groundwater and surface water, etc.

The Scope of our Site Investigation Includes:

Corrosion Status of Concrete Structure – Concrete corrosion is the chemical, colloidal or physicochemical deterioration and disintegration of solid concrete components and structures, caused by reactive liquids and gases.

Carbonation Depth – Cement paste has a pH of about 13 which provides a protective layer (passive coating) to the steel reinforcement against corrosion. Carbonation of the concrete, resulting from CO2 in the atmosphere, has the effect of reducing the pH.

The Scope of our Site Investigation Includes:

Chloride Content of Concrete Structure – The chloride concentration in concrete at which corrosion of reinforcement is initiated is a crucial parameter in assessing and re-assessing the service lifetime or the residual service lifetime of structural concrete.

Adhesion Bonding Strength of Coating and Paints – The durability and performance of coatings depend on two basic properties, Cohesion and Adhesion. Adhesion is viewed as the strength of the bonds between the coating material and the substrate.

The Scope of our Site Investigation Includes:

Adhesion Bonding Strength of Tiling – Tile adhesives are used to install tiles in residential and commercial buildings on floors or on walls. Test standards as well as high quality additives substantially contribute to long-term performance extending the durability of the whole construction.

Waterproofing Membrane – Bitumen-modified waterproofing membranes are widely used in theconstruction sector. The most common substrate is either poured or cast concrete or mortared “cinder block.”

The Scope of our Site Investigation Includes:

Sealant – These are a kind of sealing material used to form a hard coating on a porous surface, for example as a coat of paint or varnish used to size a surface.

Failure Analysis:

Failure analysis is the process of collecting and analyzing data o determine the cause of failure of a project. Construction failures occur due to causes like

materials defects, poor workmanship, lack of attention during construction phase and lack of maintenance.

The Scope of our Failure Analysis Includes:

Fire Damage – Determining the root causes of a fire and assessing the type and extent of damageit caused.

Structure Distress – Structural integrity and failure deals with the ability of a structure to support a designed load without breaking, tearing apart, or collapsing, and includes the study of breakage that has previously occurred in order to prevent failures in future designs.

The Scope of our Failure Analysis Includes:

Leaks and Dampness in Structure – Dampness and leaks in a building may occur due to bad design, faulty construction and use of poor quality of materials.

Cracking of Concrete Structure – Basic reasons of occurrence of cracks in a building include permeability of concrete, thermal movement, creep, corrosion of reinforcement, moisture movement, poor construction practices and poor structural design and specifications.

The Scope of our Failure Analysis Includes:

Concrete Problem (delay setting, low strength, cracking, water seepage, ASR, Chemical attack, delayed Ettrigite) – Design of members and structures of reinforced concrete is a problem distinct from but closely related to analysis. Strictly speaking, it is almost impossible to exactly analyze a concrete structure, and to design exactly is no less difficult.

Tiling Failure – Popping tiles is one of the main concerns with tiling failure faced in the construction industry. This occurs mostly due to a result of adhesion failure between the ceramic tiles and the concrete base, or fails to resist the movement of the tile due to thermal and moisture expansion.

The Scope of our Failure Analysis Includes:

Stone Problems (breakage, pitting, discoloration, staining, cracking) – There are three major causes of deterioration in natural stone; pollutants, frost and crystallization of soluble salts. Water penetration is the main instigator of decay, and structure is the most important factor influencing the ability of stone to resist decay processes.

Staining of Building – Climate has a great effect on building material, often leading to fungal stain, harmful growth of trees, peeling paint, erosion of mortar joints and defective plastered rendering.

The Scope of our Failure Analysis Includes:Paint/Coating Defects (blistering, peeling, flaking, chalking) – A low cost paint typically has a high pigment content relative to resin content as pigment is less expensive than resin. Although a high pigment content paint has an excellent “hiding” ability, high pigment content paints with low resin contents are unable to resist exposure to sunlight and moisture.

Flooring Failure (pitting, abrasion wear, cracking, deboning , peeling) – Adhered flooring materials, such as sheet vinyl, vinyl composition tile and rubber flooring, frequently require repair or replacement because of delaminating , blistering, lifting, and cracking. The most common factor behind this includes the moisture content of the concrete and the durability of the floor finish materials when exposed to moisture are typical factors in these failures.

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58 Sungei Kadut LoopSINGAPORE 729501TEL: (65) 6362 9066FAX: (65) 6362 2080http://www.admaterials.com.sg