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2. Improvised vehicle armour - Wikipedia

   en.wikipedia.org/wiki/Improvised_vehicle_armour

   In places, this armour was over 1 foot (30 cm) thick, consisting of 5000-PSI Quikrete concrete mix fitted between sheets of tool steel (acquired from an automotive dealer in Denver), to make ad-hoc composite armour.

3. Quikrete to take Summit Materials private in deal valued at ...

   www.aol.com/quikrete-buy-summit-materials-deal...

   The analysts added Quikrete seemed most interested in Summit's cement and ready-mix operations. The transaction is expected to close in the first half of 2025. Shares of Summit fell about 1.7% in ...

4. Types of concrete - Wikipedia

   en.wikipedia.org/wiki/Types_of_concrete

   Regular concrete can typically withstand a pressure from about 10 MPa (1450 psi) to 40 MPa (5800 psi), with lighter duty uses such as blinding concrete having a much lower MPa rating than structural concrete. Many types of pre-mixed concrete are available which include powdered cement mixed with an aggregate, needing only water.

5. Concrete - Wikipedia

   en.wikipedia.org/wiki/Concrete

   Lightweight concrete is often achieved by adding air, foams, or lightweight aggregates, with the side effect that the strength is reduced. For most routine uses, 20 to 32 MPa (2,900 to 4,600 psi) concrete is often used. 40 MPa (5,800 psi) concrete is readily commercially available as a more durable, although more expensive, option.

6. Ready-mix concrete - Wikipedia

   en.wikipedia.org/wiki/Ready-mix_concrete

   It uses a simple Archimedes' screw to mix (clockwise) and to lift the concrete to the delivery chute. Ready-mix concrete (RMC) is concrete that is manufactured in a batch plant, according to each specific job requirement, then delivered to the job site "ready to use". [1] There are two types with the first being the barrel truck or in–transit ...

7. Self-consolidating concrete - Wikipedia

   en.wikipedia.org/wiki/Self-consolidating_concrete

   Self-consolidating concrete or self-compacting concrete (SCC) [1] is a concrete mix which has a low yield stress, high deformability, good segregation resistance (prevents separation of particles in the mix), and moderate viscosity (necessary to ensure uniform suspension of solid particles during transportation, placement (without external compaction), and thereafter until the concrete sets).