Nghiên cứu và đánh giá thực trạng hệ thống thoát nước của Thành phố Hà Tĩnh

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Tác giả: Thành Mậu Nguyễn

Ngôn ngữ: vie

Ký hiệu phân loại:

Thông tin xuất bản: Tạp chí Môi trường, 2024

Mô tả vật lý: tr.26-31

Bộ sưu tập: Báo, Tạp chí

ID: 405430

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Currently, Ha Tinh City is one of the urban areas with the fastest socio-economic development rate in the North Central region, however, along with that comes the requirement for synchronous development of the infrastructure. floors, including the urban drainage system. Although a number of projects to renovate and upgrade drainage systems have been implemented, drainage capacity and the ability to prevent flooding during the rainy season have not been much improved. Therefore, the study was conducted to evaluate the current status of water drainage system in key areas in the city
Analyze and point out the causes of urban flooding. The study uses the method of collecting and statistical data on the current status of natural drainage systems and flooded points after heavy rains
research methods and field surveys
The method inherits research conducted in the area. The research results show that the HTN that the city. Ha Tinh is using it as a common drainage system. Currently, the entire city has 60 km of ditches and main sewers (density of 8,3 km/ km2, much lower than the general regulations). The irrigation system only covers 57% of the city area, the rest is in a poor state of operation due to lack of maintenance and overload due to rapid urbanization. This is the basis for research, renovation and upgrading projects and planning projects for the city's water system. Ha Tinh in the near future.Hiện nay, Thành phố (TP) Hà Tĩnh là một trong những đô thị có tốc độ phát triển kinh tế - xã hội nhanh nhất của Bắc Trung bộ, tuy nhiên, đi kèm với đó là yêu cầu sự phát triển đồng bộ về hạ tầng, trong đó có hệ thống thoát nước (HTTN) đô thị. Mặc dù đã có một số dự án cải tạo, nâng cấp HTTN được triển khai nhưng năng lực thoát nước và khả năng chống ngập úng vào mùa mưa lũ vẫn chưa được cải thiện nhiều. Vì vậy, nghiên cứu được thực hiện nhằm đánh hiện trạng HTTN tại các địa bàn trọng điểm trên địa bàn TP
phân tích và chỉ ra nguyên nhân gây ra tình trạng ngập úng đô thị. Nghiên cứu sử dụng phương pháp thu thập, thống kê số liệu về hiện trạng HTTN và các điểm ngập lụt sau những trận mưa lớn
phương pháp nghiên cứu, khảo sát thực địa
phương pháp kế thừa các nghiên cứu đã thực hiện trên địa bàn. Kết quả nghiên cứu cho thấy, HTTN mà TP. Hà Tĩnh đang sử dụng là HTTN chung, hiện trên địa bàn toàn TP có 60 km mương và cống chính (mật độ 8,3 km/km2, thấp hơn nhiều so với quy định chung). HTTN chỉ bao phủ được 57% khu vực TP, còn lại trong tình trạng hoạt động yếu kém do không được duy tu, bảo dưỡng và quá tải do tốc độ đô thị hóa quá nhanh. Đây là cơ sở cho các nghiên cứu, đề án cải tạo, nâng cấp và đồ án quy hoạch HTTN của TP. Hà Tĩnh trong thời gian tới

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