PCTE Products

Here at PCTE we supply a large range of proven technical products that have been used and demonstrated to be effective in their respective applications. The products are broken down into the following catagories:-
 

Quality & Strength

The principle properties of concrete important for structural and durability assessments are compressive strength and penetrability. Compressive strength measurement of cores gives an indirect assessment of quality, abrasion resistance, tensile strength, and E-modulus. However as surface properties may not be reflected by the properties of the bulk concrete as measured by cores surface measurement by NDT are extremely valuable. These NDT measurements are also important to give more global understanding of concrete performance. Calibration with cores is generally useful.

Schmidt Hammer - Measurement of concrete surface strength by rebound

DYNA Pull off Tester - Direct pull off test for bond strength of repairs, carbon fibre, veneers, screeds and toppings

Pundit Ultrasonic Tester - Measures sound wave velocity in concrete. Can indicate defects or measure concrete strength.

Resonance Modulus Tester- Non-destructive acoustic technique for determining the modulus of concrete and rock samples.

Surfer Ultrasonic Pulse Velocity Tester- This device is a quick method of determining the compression wave velocity of many hard materials

Chaplin (BCA) Abrasion Tester - Abrasion of surface by wear

TORRENT Permeability - Penetrability by unidirectional air flow using a surface vacuum box. Requires Resi measurement.

 

Concrete Geometry

Very often it is important to know the hidden dimensions of concrete and the location and size of embedments (reinforcing, prestressing tendons, ducts and electrical cables). With a covermeter, ground penetrating radar and impact echo there is little that can not be determined about a structure.

Concrete Defect Location Testing

Even the best laid plans can go wrong. Defects in structure can lay hidden inside structures whether they are caused by concrete placement or design issues or from deterioration of a structure over time. Voids, honeycombing, cracking, and delamination of concrete can occur in any structure. Take a look at these advanced NDT techniques for finding defects in concrete.

Corrosion

Corrosion of reinforcement the most costly forms of deterioration for concrete infrastructure. While it repair is highly expensive, sometimes costing more than the original structure, it can be prevented relatively cheaply with an effective inspection and maintenance program. The instruments listed here enable strategic inspection programmes to be undertaken to identify critical areas for corrosion protection. They can also be used to identify repair requirements if inspection has been left too long.

Monitor Existing Structures- Equipment for gaugeing the corrosion activity and rate using: half p[otentials, resistivity, linear polarisation resistance and galvanic pulse measurements.

Concrete State

Three very import aspects of the concrete’s state are its temperature, humidity and degree of cracking. It is important to ensure temperature does not exceed certain limits during hydration or unacceptable cracking, deterioration and strength loss may result. Temperature is also one of the best ways of assessing maturity and hence insitu strength to enable early stripping and cessation of curing. Moisture measurement is vital in assessing laying of floor covering on concrete slabs. These logging temperature and humidity probes provide an efficient and labour saving means of measuring temperature.

Humdity Meter- Compact Humidity Meter for measurement of RH in concrete slab before the application of coverings

General Testing

These instruments do not test the concrete but test some aspect of materials associated with the concrete or other materials