EURO CONCRETE INC
First Quality Concrete
Concepcion Tarlac
Philippines
+63 785 658 5316
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First Quality Concrete
Philippines
24/7 Customer Support
We deliver day or night
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about concrete
This is the most common and well-accepted measurement of concrete strength to assess the performance of a given concrete mixture. Compressive strength is important as it is the main criteria used to determine whether a given concrete mixture will meet the needs of a specific job.
Tensile strength is the ability of concrete to resist breaking or cracking under tension. It affects the size of cracks in concrete structures and the extent to which they occur. Cracks occur when tensile forces exceed the tensile strength of the concrete.It is difficult to directly test the tensile strength of concrete, so indirect methods are used. The most common indirect methods are flexural strength and the split tensile strength.
Flexural strength is used as another indirect measure of tensile strength. It is defined as a measure of an unreinforced concrete slab or beam to resist failure in bending. In other words, it is the ability of the concrete to resist bending.Flexural strength is usually anywhere from 10 to 15 percent of the compressive strength, depending on the specific concrete mixture.
This refers to the ratio of water to cement in the concrete mixture. A lower water-to-cement ratio makes for a stronger concrete, but it also makes the concrete more difficult to work with. The right balance must be struck to achieve the desired strength while maintaining workability.
Traditional concrete is made of water, cement, flyash, admixture, air, and an aggregate mixture of sand, gravel, and stone. The right proportion of these ingredients is key for achieving a higher concrete strength.
Optimal mixing time is important for strength. While strength does tend to increase with mixing time to a certain point, mixing for too long can actually cause excess water evaporation and the formation of fine particles within the mix. This ends up making the concrete harder to work with and less strong.
The longer the concrete is kept moist, the stronger it will become. To protect the concrete, precautions must be taken when curing concrete in extremely cold or hot temperatures.
Pounds per square inch (psi) measures the compressive strength of concrete. Concrete footings and slabs on grade typically require a concrete of 3,500 to 4,000 psi. Suspended slabs, beams, and girders require 3,000 to 5,000 psi. Traditional concrete walls and columns tend to range from 3,000 to 5,000 psi, while 4,000 to 5,000 psi is needed for pavement.
Concrete mix design is a process of selecting ingredients for a concrete mixture and deciding on their proportions. When designing a mix, you should always consider the desired strength, durability, and workability of the concrete for the project.
Always buy building materials from authorized dealers and reputed brands
Source Materials locally to save on transport costs
Consult your engineer for the right material as per your specific needs and budget
In general, concrete mixes must follow the guidelines (ACI Committee, 2009). A concrete mix can be designed using the tables and calculations provided in the standard.
