Connection Between Prefabricated Panels and Walls

There are three main methods for connecting prefabricated panels to walls: mechanical connection, chemical connection, and concrete pouring connection.

Mechanical Connection: This method involves using bolts or anchor bolts to tightly connect the prefabricated panels to the walls. This type of connection is strong and reliable, making it particularly suitable for high-rise buildings or structural systems that need to bear significant loads. However, mechanical connections require pre-drilled holes and equipment installation openings in both the prefabricated panels and the walls, which may affect the waterproofing performance of the panels. Therefore, when choosing mechanical connections, it is essential to fully consider waterproofing measures to ensure the tightness of the connections.

Chemical Connection: This method involves bonding the prefabricated panels to the walls using chemical adhesives. This type of connection does not require pre-drilled equipment installation openings, has no negative impact on the waterproofing performance of the panels, and is relatively simple to construct. However, the use of chemical adhesives must follow strict operating procedures, including adhesive selection, application method, curing time, etc. Improper use may affect the strength of the connection. Therefore, chemical connections require skilled personnel with high levels of professional expertise and experience.

Concrete Pouring Connection: This method involves placing the prefabricated panels on the walls and then pouring concrete between them to form an integrated structure. This type of connection is suitable for buildings requiring greater load-bearing capacity and higher durability, such as large public buildings and industrial plants. However, concrete pouring connections require on-site construction, involving multiple steps such as formwork installation, concrete mixing, pouring, and curing, which require more time and labor costs.

Precautions: When selecting a connection method, comprehensive consideration should be given to the weight, size, and environmental conditions of the prefabricated panels. At the same time, special attention should be paid to waterproofing and moisture-proofing treatments at the connection points between the prefabricated panels and the walls to ensure good tightness. Additionally, the verticality and flatness of the prefabricated panels should be ensured during installation to avoid cracks and deformations. A comprehensive inspection and acceptance should be conducted before installation to ensure that the connection points between the prefabricated panels and the walls meet design requirements.