Testing services for your products and materials
What is Precast?
Precast concrete is a building material made by pouring concrete into a mold, curing it in a controlled environment, and then transporting it to the construction site and lifting it into place. Examples include precast beams and wall panels for tilt-up construction. Cast-in-place concrete, on the other hand, is poured into molds on-site and cured there.
Precast concrete is used in a variety of settings, both inside and outside, from highways, bridges, and high-rise buildings to tilt-up construction. Precast concrete is given the opportunity to cure properly and be closely monitored by plant employees when it is produced in a controlled environment (typically known as a precast plant).
Here are some of the advantages of using precast concrete:
- Speed: Precast concrete can be produced and transported much faster than cast-in-place concrete, which can save time and money on construction projects.
- Quality: Precast concrete is produced in a controlled environment, which ensures that it meets high quality standards.
- Durability: Precast concrete is a durable material that can withstand the elements and heavy use.
- Versatility: Precast concrete can be used to create a variety of structures, from simple beams to complex architectural features.
Here are some examples of precast concrete structures:
- Bridges: Precast concrete is often used to construct bridges because it is strong, durable, and can be easily transported to the construction site.
- Building facades: Precast concrete can be used to create beautiful and durable building facades.
- Walls: Precast concrete walls are often used in commercial and industrial buildings because they are strong, fire-resistant, and easy to maintain.
- Floors: Precast concrete floors are often used in commercial and industrial buildings because they are strong, durable, and easy to clean.
- Columns: Precast concrete columns are often used in commercial and industrial buildings because they are strong and can support heavy loads.
What is Precast Testing?
Precast testing is a process of testing precast concrete products to ensure that they meet the required standards for strength, durability, and quality. The tests are typically performed by a third-party testing agency, and the results are used to verify that the products are safe and reliable.
There are a variety of tests that can be performed on precast concrete products, including:
- Compressive strength tests: These tests measure the ability of the concrete to withstand compressive loads.
- Tensile strength tests: These tests measure the ability of the concrete to withstand tensile loads.
- Flexural strength tests: These tests measure the ability of the concrete to withstand bending loads.
- Water permeability tests: These tests measure the ability of water to pass through the concrete.
- Corrosion tests: These tests measure the ability of the concrete to resist corrosion.
The specific tests that are performed on a precast concrete product will vary depending on the type of product and the intended use. For example, a precast beam that will be used to support a heavy load will need to be tested for compressive strength, tensile strength, and flexural strength. A precast wall panel that will be exposed to the elements will need to be tested for water permeability and corrosion resistance.
Precast testing is an important part of ensuring the quality and safety of precast concrete products. By performing these tests, manufacturers can help to ensure that their products meet the required standards and that they are safe and reliable for use in a variety of applications.
Here are some of the benefits of precast testing:
- Improved quality: Precast testing can help to identify and correct any defects in the concrete before it is used in a structure. This can help to improve the overall quality and durability of the structure.
- Increased safety: Precast testing can help to ensure that the concrete is strong enough to support the loads it will be subjected to. This can help to prevent accidents and injuries.
- Reduced costs: Precast testing can help to identify and correct any problems with the concrete early on. This can help to reduce the cost of repairs and replacements.
Precast Testing Standards
- MNL-116 – Quality Control for Plants and Production of Structural Precast Concrete Products
- MNL-117 – Quality Control for Plants & Production of Architectural Precast Concrete Products
- ASTM A881 – Standard Specification for Steel Wire, Indented, Low-Relaxation for Prestressed Concrete
- ASTM C457 – Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete
- ASTM C856 – Standard Practice for Petrographic Examination of Hardened Concrete
- ASTM C1028 – Static Coefficient of Friction of Ceramic Tile and Other Like Surfaces by the Horizontal Dynamometer Pull
- ASTM D2444 – Impact Resistance of Thermoplastic Pipe and Fittings by Means of a Tup (Falling Weight)
- ANSI / SCTE 77 – Specification Standard for Underground Enclosure Integrity
More Information on Precast Testing
Please contact us for technical details and pricing.