To make a radiation-proof concrete wall using barite you should use the best mix ratio possible for this purpose. Radiation from nuclear fission and the safe disposal of radioactive and chemical waste have emerged as two of the most pressing concerns raised by the ongoing development and deployment of nuclear technologies. As the need has arisen, many pieces of radiation protection equipment and structures have come into existence, and there has also been an increase in the need for radiation protection concrete. Radiation-proof concrete is considered to have the greatest overall technical and economic impact of the different materials that may be used to construct buildings that are resistant to the effects of radiation. Through the design and trial mix of barite radiation-proof concrete, the purpose of this study is to test the effects of water consumption, water-cement ratio, and sand ratio on the radiation protection, mechanical properties, construction performance, and production cost of barite concrete. Additionally, the goal of this study is to determine which barite radiation-proof concrete has the best radiation-proof performance, mechanical performance, construction performance, and other indexes.

- Test material

The cement of the PO 42.5 grade, is manufactured at the Guangzhou Shenzhen Cement Plant. The barite that is utilized for the fine aggregate has a diameter of fewer than 5 millimeters, and the primary component of barite is BaSO_{4}. The barite pieces that are larger than 35 millimeters in diameter make up the coarse aggregate. Before they can be used, coarse and fine aggregates need to be cleaned, freed from any muck they may contain, and then dried. The particle grading of a regular sand, pebbles, and gravel is outstanding, and these materials are utilized to make coarse and fine aggregates, respectively. The test also makes use of admixtures, and in this case, the admixture in question is the use of superplasticizers. The experiment made use of regular water drawn from the sink for its water source.

- The procedure of testing

In order to investigate the effect that the mix ratio of barite radiation-proof concrete has on the mechanical characteristics of barite radiation-proof concrete, a cubic test block measuring 150 millimeters on each side was utilized in the experiment. The ratio of cement to barite crushed stone to water to barite sand was 1:4.8:0.6:3.5 at the beginning of the test. Other components included barite sand. The quantity of cement that will be used is predetermined to be 380 kg/m3, and the remaining quantity will be determined by using the ratio described above.

- Formulation of the design mix ratio for radiation-resistant barite concrete

3.1 An investigation of the impact of drinking water This test is carried out based on the original ratio, and the water consumption is set at 210kg/m3, 220kg/m3, 230kg/m3, 240kg/m3, and 250kg/m3 accordingly for each of the six different conditions. This barite radiation-proof concrete has a density, slump, and compressive strength of 28d and 7d cubes, respectively when it is in its configured cube form. 3.2 An investigation of the influence of the ratio of water to cement In addition to this, the test is carried out using the ratio that was first used. This test maintains the same level of water consumption as the previous test and modifies the quantity of cement used to carry out the test. In order to create barite, the water-cement ratio is varied from 0.65 to 0.60, then 0.55, 0.50, and finally 0.45. Following the completion of the radiation-resistant concrete, further tests of apparent density, slump, and compressive strength using cubes of 28 and 7 dimensions were carried out. 3.3 Evaluating how sand and gravel will affect the process The amount of sand and gravel used in the composition of concrete may have an effect on both the water retention and the cohesiveness of barite concrete. Concrete has the potential to be denser and its performance might be enhanced if the proportion of sand to gravel is appropriately balanced. The rapid growth rate of concrete continues to accelerate. The purpose of this test is to guarantee that the basic ratio does not change when the ratio of water to cement is set to 0.5 and the ratios of sand and gravel are set to 32%, 34%, 36%, 38%, and 40% accordingly. After the concrete was formed, cubes of 28 and 7 dimensions were used to conduct tests to determine its apparent density, slump, and compressive strength.

- results

4.1 The findings of an experiment looking at the impact of drinking water According to Table 1, we can see that when the apparent density of the material gradually declines, its slump gradually grows, and its compressive strength gradually falls, the amount of water that the material consumes gradually has an effect. This demonstrates that the amount of water consumed is a significant factor in determining the slump, and as the amount of water consumed continues to rise, the water-cement ratio will gradually increase. This will lead to a low apparent density in the concrete, which will result in the concrete being less dense. 4.2 The findings of the experiments that investigated the influence of the water-cement ratio The results of the measurements conducted on the water-cement ratio side indicate that the water-cement ratio gradually declines, the compressive capacity of concrete continues to grow, and the apparent density of concrete also continues to gradually increase. However, following a rise in the line, there is a tendency toward a decrease in the slump's severity. The slump is at its maximum point when the ratio of water to cement is 0.55. 4.3 The findings of an investigation on the influence of the sand and gravel rate We can see from Table 2 that when the ratio of water to cement remains the same, the apparent density and compressive strength have a trend of increasing first and then decreasing, and the slump also increases first and then decreases with an increase in the ratio of sand to gravel. These trends hold true even though the slump is affected by an increase in the ratio of sand to gravel. Because of this, taking into account the optimum overall performance, a gravel rate of 36% is the most logical option for the gravel rate.

- The inference drawn

After conducting this experiment on the impact of water consumption, water-cement ratio, and sand-gravel ratio on barite radiation-proof concrete in concrete manufacturing, the researchers came to the conclusion that the mix ratio that produced concrete with the highest performance was achieved. Due to the linear nature of the relationship between the water-cement ratio and the amount of water used, the water-cement ratio in concrete must be more than 0.45, and the amount of water consumed must be lower than 240 kg/m3. However, since the impact of sand and gravel rate on concrete is a more sophisticated one, the results of this test indicate that the optimum option of sand and gravel rate is 36%. This is the greatest choice because it takes into account the complexity of the effect. As a result of our investigation and experimentation, we have come up with a ratio of barite that, if it were constructed of concrete, would be able to fulfill the needs of contemporary people. We have high hopes that it will one day serve as a foundation for the work done by scientific researchers in the future and make a positive contribution to the process of my nation's further modernization. At the same time, I am of the opinion that in the not-too-distant future, more individuals will invent better goods to protect themselves from radiation.