This passage describes the construction process of a dam, emphasizing the challenges faced by the workers. It begins with the pouring of concrete and the importance of maintaining a consistent supply. The workers face adverse weather conditions, including rain, which can jeopardize the quality of the concrete. To ensure the concrete's strength and durability, it is placed in water for 28 days. The text underscores the dedication and expertise required for such a demanding construction project.
Here are the key facts extracted from the provided text:
1. The construction is focused on building the Buhang Dam in Gimcheon, Gyeongsangbuk-do, connecting Jeolla-do, Chungcheong-do, Gyeongsang-do, and Samdo.
2. The purpose of the dam is to secure water and prevent flooding, with a total storage capacity of 5,400 tons.
3. Workers are involved in challenging tasks, such as working on steep slopes, with a slope angle of about 30 to 35 degrees.
4. The safety of workers is a significant concern due to the hazardous conditions.
5. The construction site involves transporting and handling heavy rebar, with 1,300 rebars needing to be moved to the work point.
6. The dam wall is divided into 15m sections, and each section requires four days of work.
7. Concrete work involves using a 60-ton machine for plastering, which operates continuously for long hours.
8. The work includes creating a water barrier using concrete, and it must be done accurately to avoid issues.
9. Rain can pose a threat to the construction, and measures like creating pockets of water are taken to maintain concrete quality.
10. The construction site operates day and night, with workers enduring difficult conditions, including heavy rain.
11. Workers use action rods to press and remove concrete during the pouring process.
12. The concrete mix includes sand, cement, water, and polyphenyl alcohol resin to enhance its properties.
13. The construction process is challenging, with a high demand for accuracy and safety precautions.
Please note that this summary provides the key facts while excluding opinions and extraneous information from the text.