Top Tweets for #ConcreteScience
Concrete compressive strength grows ~70% in 7 days
🧱 But needs 28+ days to fully cure
Fast doesn’t mean finished
#ConcreteScience #MaterialFacts
Concrete compressive strength:
🧱 25–35 MPa for general slabs
🌉 40–60 MPa for bridges
Always specify the right mix
#ConcreteScience #CivilEngineering
Rebar spacing matters:
📏 Too wide = poor crack control
🔩 Too tight = poor concrete flow
Balance is the hidden factor in strength
#ConcreteScience #BuildLogic
Concrete gains ~70% of its strength in 7 days
🧱 But needs 28 days for full design strength
Fast doesn’t always mean ready
#ConcreteScience #MaterialFacts
Concrete cover depth isn’t random:
📏 20–40 mm for slabs
🔩 50–75 mm for foundations
💧 Deeper cover protects from corrosion
It’s the invisible shield
#ConcreteScience #MaterialDurability
Rebar corrosion can start in less than 5 years if cover depth is too shallow
💧 Chlorides + oxygen = hidden damage
Test. Protect. Prevent.
#ConcreteScience #MaterialDurability
Concrete isn’t waterproof by default
💧 Needs additives or sealers
🧱 Otherwise = water absorption + cracking
Design for weather, not just load
#ConcreteScience #SmartDesign
Concrete curing isn’t about drying
💧 It’s about hydration
📉 Rapid drying = weak surface
⏱️ Keep it moist = keep it strong
#ConcreteScience #BuildRight
Concrete gets stronger for decades
🧱 70% in 7 days
💪 Full cure = 28 days
📈 Slow gain = long life
#ConcreteScience #FieldTruths
How long does it take concrete to fully cure?
🕓 28 days
💪 70% strength in 7 days
🚫 Don’t strip formwork early
Patience = performance
#ConcreteScience #BuildRight
Did you know?
Some concrete mixes can reach 15,000 psi.
→ Ultra-high-performance
→ Used in bridges & blast walls
→ Costly, but indestructible
#ConcreteScience #MegaStructures
Exploring precast concrete possibilities at scale! Students toured Lycoming Vault & Precast in Montoursville. #Concrete is more than sidewalks and roadways. #futuremadebyhand #penncollege #concretescience #precastconcrete
https://t.co/RHxz8wSqlq
‘World of Concrete’ opens worlds of opportunity for students. #concrete #concretescience https://t.co/G4W8D65Yjd
For Madison, being on the @PCTWSoccer is like having a second family. Learn about her three majors, and find out why she loves being a Wildcat. #concretescience #womenssoccer #collegeathlete
https://t.co/xnbpjImjWZ
When most people think of #concrete, sidewalks and bridges come to mind. But there’s much more to this widely used construction material than meets the eye. Take a look inside the #concretescience technology major at Penn College. https://t.co/lbGNcAZ3F1
Today I was delighted to present our @rwm_gdf_uk work to enable the use of superplasticiser in the packaging of ILW 👍🏻. @nucleargrads Danielle and I are enjoying fantastic discussion at the TRU-8 meeting in Paris 🙌🏻👩🏼🔬#WomenInScience #concretescience #superplasticisersrock
I’ve had such a great visit to the Äspö laboratory this week. Working with Per Martensson at @SKB_nyheter to learn about the Caissons concept for SFR and planning for the concrete casting experiment next month! @rwm_gdf_uk #nowthatsanexperiment #concretescience #concreteevidence
We've updated our peer-reviewed publications list https://t.co/FG2aZoSsyo See 1st entry under #Buildings & 1st five under #ConcreteScience
Penn College to debut concrete science technology major
https://t.co/65NXqisB6N #RazorbackConcrete #ConcreteScience #Arkansas
Concrete Defects Could Become Strengths https://t.co/TlE18iJNmD #Concrete #ConcreteScience #TougherConcrete #StrongerConcrete
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