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Technical Measures for Precast Lifting Anchor and Concrete Accessories Installation

December 05, 2023

 

Article Guidance:

1. Pre-Installation Briefing and Inspection:

2. Concrete Pouring Guidelines:

3. Post-Pouring Measurements and Record-Keeping:

4. Corrosion Prevention:

5. Quality Inspection and Acceptance:

 


Precast concrete technology has gained widespread acceptance in the construction industry due to its efficiency, cost-effectiveness, and durability. Precast lifting anchors play a crucial role in ensuring the success of precast concrete projects. To achieve optimal results, it is essential to adhere to stringent technical measures during the installation process. This article outlines key guidelines for the installation of precast lifting anchors to ensure the structural integrity and longevity of precast concrete elements.

 

1. Pre-Installation Briefing and Inspection:

 

Before the commencement of installation, technical personnel must provide a comprehensive briefing to the construction team. This briefing should cover the specifications, quantity, and diameter of precast lifting anchors. A thorough inspection should be conducted to verify that the components meet the project requirements. Any discrepancies or concerns should be addressed and resolved before proceeding with the installation.

 

2. Concrete Pouring Guidelines:

 

During the concrete pouring phase, strict adherence to guidelines is paramount to prevent potential issues. The vibrating rod used in the pouring process must be maneuvered with care to avoid collisions with the fixed frame. Pouring concrete against precast lifting anchors is strictly prohibited, as it can compromise their structural integrity. This careful pouring process ensures that the final concrete structure meets the desired specifications and standards.

 

3. Post-Pouring Measurements and Record-Keeping:

 

Once the concrete has been poured, it is crucial to re-measure the actual values and deviations of the bolts promptly. This step helps identify any discrepancies between the as-designed and as-constructed dimensions. Detailed records should be maintained throughout this process. If the measured values exceed allowable deviations, corrective measures must be implemented to bring the installation back in line with the design requirements. Accurate and meticulous record-keeping is essential to track adjustments and ensure accountability.

 

4. Corrosion Prevention:

 

To safeguard the longevity and performance of precast lifting anchors, it is imperative to prevent contamination and corrosion. Before and after concrete pouring, the nuts of the anchor bolts should be securely wrapped with oil or other corrosion-resistant materials. This protective measure shields the components from environmental elements and ensures they remain in optimal condition throughout their service life.

 

5. Quality Inspection and Acceptance:

 

Prior to concrete pouring, precast lifting anchors must undergo thorough inspection and acceptance by supervisors and quality personnel. Only components confirmed to be qualified through inspection and signed off by authorized personnel should be used in the construction process. The inspection process should be documented through a comprehensive measurement task list and measurement result records, maintaining a professional and standardized approach.

 

The successful installation of precast lifting anchors requires meticulous planning, careful execution, and stringent adherence to technical measures. By following the guidelines outlined in this article, construction teams can ensure the structural integrity, safety, and durability of precast concrete elements. These measures not only contribute to the overall success of the project but also enhance the long-term performance of the precast concrete structure.


Other Precast Concrete Accessories You Might Want to Know

You can click to learn more about HULK Metal precast concrete accessories such as lifting anchors, precast sockets, spread anchors, shuttering magnets, cast-in channels, wire loop boxes, and other precast concrete accessories you might want to know.

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