Construction Technology of Colored Permeable Concrete
The acceleration of urbanization has led to an increasing shortage of water resources in cities. At the same time, urban drainage systems are also facing increasing pressure. In order to solve this problem, colored permeable concrete emerged as a new green building material. Colored permeable concrete can not only effectively penetrate rainwater into the groundwater layer, but also reduce the burden on the urban drainage system and achieve sustainable use of urban water resources. This article will introduce the construction technology of colored permeable concrete and help readers understand the construction methods and precautions of colored permeable concrete.
Material preparation
The production of colored permeable concrete requires the use of materials such as cement, sand, aggregate, dye, water and concrete admixtures. Among them, cement, sand and aggregate are the main components of concrete, dyes are used to color concrete, and admixtures can improve the properties of concrete. Before construction, the above materials need to be prepared and mixed according to the proportion requirements.
Construction steps
The first step: foundation treatment
Before construction, the construction site needs to be treated with foundation. First, the site needs to be cleaned to remove surface debris and dust. Then the ground needs to be leveled to ensure that the flatness of the ground meets the requirements. If the ground is uneven, it needs to be sanded or filled.
Step 2: Concrete Pouring
Concrete pouring is a key step in the construction of colored permeable concrete. Before pouring concrete, the concrete needs to be mixed evenly and dyed according to design requirements. Concrete is then poured onto the construction site and the concrete surface is smoothed with a trowel. When smoothing the concrete surface, be careful not to over-smooth it, so as not to affect the water permeability of the concrete.
Step 3: Score lines
After the concrete pouring is completed, the concrete surface needs to be scored. The purpose of the engraved lines is to increase the friction on the concrete surface and prevent people and vehicles from slipping on rainy days. When engraving, you need to use a professional engraving machine to carve different patterns and lines on the concrete surface according to the design requirements.
Step 4: Maintenance
After the concrete construction is completed, maintenance is required. The purpose of curing is to fully harden the concrete and ensure the water permeability of the concrete. During the curing period, the concrete surface needs to be sprayed with water to keep the concrete surface moist. During the curing period, be careful not to walk or park vehicles on the concrete surface to avoid damage to the concrete.
Notes
1. Construction environment
The construction of colored permeable concrete needs to be carried out in dry, windless and rainless weather. There should be no dust, soil or other debris near the construction site to avoid affecting the quality of the concrete.
2. Concrete ratio
The ratio of colored permeable concrete needs to be carried out according to the design requirements. Different ratios will affect the strength and permeability of concrete. Before concrete construction, the concrete proportions need to be fully debugged and tested to ensure that the quality of the concrete meets the requirements.
3. Concrete surface treatment
When treating the surface of colored permeable concrete, care should be taken not to over-smooth or over-mark. Excessive smoothing will affect the water permeability of the concrete, and excessive scoring will affect the flatness and aesthetics of the concrete surface.