Concrete Archives

ASTM C142: Testing Clay Lumps and Friable Particles in Aggregates

When you think about quality aggregates, you probably imagine strong, clean stone or durable sand. But not every piece of aggregate is solid gold. Sometimes, you get clay lumps or weak, crumbly particles mixed in.

Concrete in Cold Weather: Why It Needs Special Attention

TeamCivil Concrete, Durability

Concrete is one of the strongest, most trusted building materials in the world. But when it comes to concrete in cold weather, things get complicated fast. Cold temperatures slow down the chemical reactions inside concrete.

ASTM C128: Specific Gravity and Absorption Test for Fine Aggregate

TeamCivil Concrete, Tests

In concrete mix design, sand might not get the same attention as cement or gravel — but it quietly influences almost everything. From water demand to workability to strength, fine aggregate properties matter. A lot.

ASTM C127: Specific Gravity and Absorption Test for Coarse Aggregate

TeamCivil Concrete, Tests

When we think about concrete mix design, it’s easy to jump straight to water-cement ratio, slump, and strength. But one number quietly influences all of it: specific gravity. Specific gravity tells us how heavy or

ASTM C190: Testing Tensile Strength of Cement Mortar Briquettes (Step-by-Step)

TeamCivil Concrete, Tests

Most of us think of concrete or cement as something that resists crushing. And fair enough, compressive strength is king in most construction specs. But what about pulling it apart? That’s where tensile strength comes

ASTM C29: Rodded Unit Weight of Coarse Aggregates

TeamCivil Concrete, Tests

Rodded Unit Weight of Coarse Aggregates Test (ASTM C29)

When it comes to concrete mix design, most people jump straight to cement content, water-cement ratio, or compressive strength targets. But behind the scenes, there’s a quieter player that matters just as much — aggregate

Complete List of ASTM Tests for Concrete and Construction Materials

TeamCivil Concrete, Tests

Whether you’re a civil engineer, a site supervisor, or a materials technician, one thing is certain — testing matters. And when it comes to concrete and aggregates, no testing standard is more widely accepted than

SEM for Concrete Durability: What You Can Actually See Inside the Mix

TeamCivil Concrete, Durability, Tests

SEM for Concrete Durability: If you’ve ever stared at cracked concrete and thought, “That shouldn’t be happening,” you’re not alone. Whether it’s a slab, a column, or a wall — concrete fails. And sometimes, the