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Gulfport, Mississippi

Construction Materials Testing in Gulfport, MS

Concrete, soil, and aggregate testing in Gulfport, Mississippi — fresh concrete tests and cylinder breaks, Proctor and nuclear density, gradation, Atterberg limits, and soil corrosivity — by ACI- and NICET-certified technicians, with results reviewed and issued under a documented quality system.

Lead time
Set in the proposal, with mobilization planned around your pour and earthwork schedule
Laboratory
Sugar Land, TX laboratory under chain of custody, or a mobile laboratory for large projects
Reporting
Reviewed and issued under a documented quality system; formatted for owner, engineer, and building-official review
Serving
Gulfport and the surrounding MS area — Jackson, Southaven, Biloxi
Coverage
Mississippi statewide · 27 regional hubs
Technicians
ACI Grade I · NICET CMT · ICC special inspectors
Call us
(346) 420-5425

Scope

What we test in Gulfport

Concrete testing services

Fresh concrete sampled and tested at the pour — slump, air content, unit weight, and temperature — with cylinders and beams cast on site and broken in the laboratory on the schedule your specification calls for.

ASTM C172ASTM C143ASTM C231ASTM C173ASTM C138ASTM C1064ASTM C31ASTM C39

Aggregate testing services

Gradation, fines content, specific gravity and absorption, unit weight, abrasion resistance, and stockpile moisture for concrete, base course, and backfill aggregates.

ASTM D75ASTM C136ASTM C117ASTM C127ASTM C128ASTM C29ASTM C131ASTM C566

Soil compaction and density testing

Standard and modified Proctor curves in the laboratory and in-place density by nuclear gauge on every lift, so fill, subgrade, and trench backfill are documented against the specified percent compaction.

ASTM D698ASTM D1557ASTM D558ASTM D4718ASTM D6938

Soil classification and index testing

Sieve and hydrometer gradation, Atterberg limits, moisture content, specific gravity, and USCS classification for earthwork acceptance, select-fill verification, and geotechnical reports.

ASTM D6913ASTM D7928ASTM D1140ASTM D4318ASTM D2216ASTM D854ASTM D2487

Soil corrosivity testing

pH and electrical resistivity of backfill for MSE walls, pipelines, and buried structures, reported against the specification limits for metallic and geosynthetic reinforcement.

ASTM G51ASTM G57ASTM G187

Special inspection (IBC Chapter 17)

ICC-certified special inspectors for reinforced concrete and soils, reporting to the building official alongside the materials test results, so one agency covers both requirements.

Full scope, standards list, and pricing basis: Construction Materials Testing.

Local conditions

Construction materials testing conditions in Gulfport

Gulfport sits at the intersection of coastal exposure, expansive low-lying soils, and a construction climate defined by high humidity, intense summer heat, and the ever-present threat of tropical weather. Those conditions are not incidental to how materials perform — they govern them. Concrete mixed and placed in Gulf Coast heat can lose slump rapidly, making air content, temperature, and unit weight checks at the point of delivery critical, not optional. Subgrade soils across coastal Mississippi frequently include soft, moisture-sensitive clays and silty fills that demand careful compaction verification before any slab, pavement, or embankment goes down. Our firm dispatches certified field technicians to Gulfport projects on a scheduled and project-based basis to perform ASTM-compliant testing of concrete, soil, and aggregate — from fresh concrete sampling and cylinder breaks to Proctor density, nuclear gauge compaction, soil classification, and corrosivity analysis — all supported by a laboratory operating under a documented quality system and reporting prepared for third-party review.

Coastal Mississippi's near-surface soils commonly include high-plasticity clays and hydraulic fill materials that are sensitive to moisture fluctuation, making Proctor establishment (ASTM D698 / D1557) and field density verification (ASTM D6938) particularly consequential for subgrade acceptance. The region's long hot season and hurricane-driven construction scheduling create periods of compressed concrete placement activity where consistent, timely field testing directly protects structural integrity.

FAQ · Gulfport

How does Gulf Coast heat and humidity affect concrete testing on a Gulfport job site, and what do your technicians check for?

High ambient temperatures accelerate cement hydration and can spike concrete temperature above the 95°F threshold many mix designs and project specs flag as a concern. Technicians measure fresh concrete temperature per ASTM C1064, slump per ASTM C143, air content per ASTM C231, and unit weight per ASTM C138 at the point of discharge. When temperatures are elevated, these readings directly influence whether a load is accepted, modified, or rejected before placement begins.

What soil classification testing do you perform for Gulfport projects where coastal fill or soft clays are present?

Technicians and the laboratory perform grain size analysis (ASTM D6913 / D7928), Atterberg limits (ASTM D4318), and classification under the Unified Soil Classification System (ASTM D2487). For coastal Mississippi projects involving soft or high-plasticity clays, accurate classification is foundational — it directly informs compaction specifications, subgrade treatment decisions, and whether undercutting or stabilization is warranted before structural loading.

What compaction testing standard applies to MDOT or locally administered roadway and site work projects in the Gulfport area?

Most roadway and public site work in Mississippi references either standard Proctor (ASTM D698) or modified Proctor (ASTM D1557) to establish maximum dry density and optimum moisture content. Field density is typically verified using a nuclear moisture-density gauge under ASTM D6938. Project-specific specifications and MDOT requirements will state which Proctor method governs and the required percent compaction — usually 95% or 98% depending on lift location and use.

How fast can a technician be on site in Gulfport?

Gulfport work is dispatched through our Atlanta, GA regional hub. Scheduled visits are set up by phone at (346) 420-5425; multi-day placements and full-time project assignments are scheduled through a proposal request.

Which office covers materials testing in Gulfport, MS?

Field work in Gulfport is dispatched through the Atlanta, GA regional hub, about 361 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Gulfport projects.

Are the technicians you send to Gulfport certified?

Yes. Concrete technicians hold ACI Concrete Field Testing Technician Grade I; soils and laboratory technicians hold NICET Construction Materials Testing certifications; special inspection is performed by ICC-certified special inspectors. Where Mississippi agencies or owners require state-specific certifications, those are confirmed in the proposal.

Hiring for project coverage. Field technician openings in Gulfport · all positions.

Scheduling & proposals

Need construction materials testing in Gulfport?

Call to schedule a technician, or send project documents for a written proposal.

Talk to us

Questions about a project? Send a note.

Nothing here is required — leave a phone number or an email and we'll get back to you. For a written scope, the proposal request form takes plans and specs.

Or call (346) 420-5425 · info@constructionmaterialtesting.com