Services

Four lines of work.

The practice works in Portland-cement concrete technology: proportioning the mix, controlling what is produced, and saying, from data, what a result or a crack can support.

Concrete mix design

Mix design sets the proportions of cement, aggregates, water, supplementary cementitious materials and admixtures. The starting point is the specified performance, not a generic recipe, and the end point is a mixture production can repeat.

Workability (slump, or slump flow, and how long it lasts), water–cement ratio, mortar content and cement–admixture compatibility all sit in the same calculation. A dirty or variable aggregate changes the mix, so proportioning is done with the lot on hand, not with a sand that merely looks similar.

Technical control and quality management

Technical control is measuring and tracing: consistency, casting of test specimens, lot identification, placing conditions and reading the result against the specification. Quality management is the system around that control — procedure, responsibility and the acceptance criterion.

Compressive strength at 28 days is a necessary number and an insufficient one. A concrete can meet fck and still have been placed outside the specified consistency, with water added on site, or with too high a temperature peak in a massive element. Control that only files the compression test does not see that.

Consulting and technical opinions

The opinion records what the data can support and what still has to be tested. A similar crack can come from shrinkage, load, alkali–silica reaction or delayed ettringite formation; appearance alone does not close the diagnosis.

The consultation may be a specification review, a second reading of a mix, or an opinion on damage already in place. The product is a technical text with an explicit limit, not a guarantee of how the structure will perform.

Training

Training moves the same subject as the opinion to the people who do the work: how to read a mix, why slump is not “corrected” with water, what to write down at acceptance, and when the heat in a massive element stops being a detail.

Audience, hours, syllabus and place — in company, in a laboratory, or a class tied to teaching — are not closed in this version of the site.

Contact

A concrete problem needs a technical reading, not a guessed mix.

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