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Preparing to pour concrete floor

For many people Pouring concrete can be a difficult and complicated process. But because nowadays there are many tools and equipment that provide convenience. Including ready-made cement that increases the convenience of pouring folk As a result, pouring concrete is easier. It saves time and labor costs. However, if the floor is poured in a place that is not too wide Mixing your own paving is also a good option. Because it saves the budget of hiring technicians as well. But how should I prepare, what techniques and what precautions should be taken? Let’s go see.

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How to prepare for pouring concrete

1. Adjusting the floor before pouring concrete

Before pouring concrete The first thing to focus on is to level the soil to be consistent. Compact the soil evenly. The area in the house’s soil should be higher than the outside of the house, about 50-80 centimeters, if higher than this. or if the soil is not adjusted to be equal will result in pressure and damage. After that, pour the sand to a thickness of about 5 cm and compact it. If not crushed tightly, the sand will collapse. and requires more concrete than before

2. Determine the width and joints of the concrete pouring.

The area that needs to be poured concrete should be specified. before laying the formwork and should be defined by the seam Because concrete tends to stretch or shrink with temperature changes. and may result in cracking Therefore, the joint should be approximately 5-10 mm wide. The wall of the joint should be carefully defined. Because if the seam is not suitable will not prevent cracking as it should be

3. Measure the thickness of the area.

After leveling the surface and measuring the floor The thickness of the corners should be measured in order to estimate the amount of cement used to mix the floor mortar. should be measured directly from the job site Because if using only the information from the record alone, there may be problems with the wrong quantity of cement. This can delay and cost more concrete work.

4. Strong formwork preparation

Formwork for pouring concrete Can be used for wood, plastic, prefabricated steel but must focus on strength and areas that may cause various leaks to prevent lime water from spilling over especially near the reinforcing steel It is recommended to use a cast iron pan. or a pendant that does not allow the cement water to flow out of the formwork In the case of plastic or prefabricated wood Usually not much of a problem Because these materials are designed for use in casting and pouring concrete floors.

5. Place the reinforcing grid in the correct position.

Placing the reinforcing steel grating (Wire Mesh) should be positioned 3-5 cm lower than the concrete surface, or if wanting to place the reinforcing steel grid more conveniently. can support steel with mortar to allow the iron to come into contact with the soil The steel also increases strength. Reduce the likelihood of cracking as well as helping to withstand changes in temperature during the day and night

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