Chinese
Hotline: 133-3102-1811 Chinese
What is the connection between steel bonding and reinforcement?
Date:2020-08-25 09:40:00 Share:
It must be known to all that the steel plate is bonded to the surface of concrete components with high-performance epoxy adhesive, so that the steel plate and concrete form a unified whole. It is a common reinforcement technology. Because of its fast construction, strong and durable, flexible and diverse, and good economic value, it has been widely used. So, how to control the bonding of steel glue in the process of strengthening? What's the impact?
 
First of all, the quality of the concrete base surface will certainly affect the amount of steel glue glued. If the base surface is uneven, if there are holes, it will lead to an increase in the amount of steel glue. It is suggested that the base surface should be treated first in the construction process.
 

Secondly, it is the worker's bonding process. The specification clearly stipulates that the thickness of the adhesive layer should be kept at 2-3mm after the steel bonding is completed. The construction process requires the middle thickness and the two sides are thin, and the average thickness of the adhesive layer should be 3-4mm. In this way, when the steel plate is subjected to temporary pressure, the adhesive layer can be extruded from both sides, and the thickness of the adhesive layer can be 2-3mm. In this way, the steel bonding rubber layer can be full and the steel plate and concrete can be filled Sub contact,. It is difficult for unskilled workers to control the pressure of applied adhesive layer and chemical anchor bolt, resulting in material waste or steel plate hollowing.
 
Another point is that the steel glue itself, the main component of steel glue is saturated epoxy resin, and there is no granular filler in it. Take sels steel glue as an example, it is very delicate to touch the steel glue with hands, and there is no sense of grain. However, some inferior steel glue will be filled with some granular fillers, which will lead to the increase of the density of steel adhesive, and the bonding properties and the mechanical properties of the colloid will be affected, and the increase of the density will also lead to the increase of the amount of steel adhesive.
Although bonding steel reinforcement is a very mature technology, it still needs some efforts to ensure the quality and control the cost in a reasonable range. It can also reduce a lot of unnecessary troubles for the construction party and owners by finding some high-quality partners.