[Interview with Ji Shi] Meng Guoqiang, deputy director of the Nan canal Center in the Nan canal of the Nan canal: The wonderful thoughts of the Cangzhou section of the Grand Canal ...

The Cangzhou section of the Grand Canal is 215.8 kilometers in length, accounting for nearly one -seventh in the total length of the Beijing -Hangzhou Grand Canal, which is the longest mileage flowing through the city. Compared with the Grand Canal in other regions, what are the characteristics of the Cangzhou section of the Grand Canal? "Flinting", "Run Termine Dam" and "Fiber Road" sounded like understanding the noun. What role does it play on the Grand Canal? Next, Meng Guoqiang, deputy director of the South Canal Center of Hebei Province, answered us one by one.

Meng Guoqiang, deputy director of the South Canal Center of Hebei Province: The most obvious feature of the Cangzhou section of the Grand Canal is that the first is that the Grand Canal maintains the scale and form of the river channel during the transportation period. It is the best river section of the original ecology. The second is that there are many curves, and there are about 230 corners in Cangzhou. Among them, there are 88 bends from the river hubs of the four female temples in Shandong from Xiejiaba, Dongguanglian Town to the South Canal. Third, the Cangzhou section is the most concentrated river section of the cultural heritage of the Grand Canal in Hebei Province. There are more than 170 cultural relics. Among them, there are two world cultural heritage. 7 national cultural security units.

Meng Guoqiang, deputy director of the South Canal Center of Hebei Province: Many curves in the South canal are plasticized natural and artificially. Their existence can effectively reduce the gap at the bottom of the river to ensure that the ship is more stable. At the same time, it can reduce the potential and reduce the impact of the dam from the water flow. This is the same as the design of the railway of Panshan Highway and the glyph. The function of arriving at a gate. This design idea is widely used in the South canal, reflecting the scientific nature of the ancient Canal engineering plan.

Meng Guoqiang, deputy director of the South Canal Center of Hebei Province: Jetdi flood division is the project of Jiedi reduction. Founded in the Ming Dynasty for three years. At that time, it was a dam. Later depending on the water potential. During the Qing Dynasty, it was repeatedly reconstructed during the Yongzheng, Qianlong, and Xuantong years. This roller is one of the river engineering projects and is a highly height blocking building. When its principle is that when the upstream water is over the top of the dam, the water can overflow freely and roll over at the top of the dam. In the three years of Xuantong, the overflow dam was changed to overflow weir. Whether it was a dam or an overflow weir, when the water came upstream, the water was unable to regulate the amount of water leaked. It is how much water comes, and the lower water level will be raised accordingly, so it is inevitable that the downstream water is inevitable. In 1933, the overflow weir was converted into a flood split. It has been retained to this day. In 2006, Jetdi flood gates were protected as historical and cultural heritage. New flood splitting gates on the south side. In this dry period, the gate and the river reduction are used in cooperation, and the river water is stored during the dry period to ensure the needs of navigation. During the flood season, the floods of the South canal can be decomposed into the river.

Meng Guoqiang, Deputy Director of the Nanli River Center in Hebei Province: There are two places in the rammed soil dam selected as the World Cultural Heritage of the Grand Canal, which are the rammed soil in Xiejiaba and Huajiakou, a Jingxian County of Hengshui City, Dongguang County, Cangzhou City. Insurance workers. These two rammed soil dams are not far away. It is located on the right and left bank of the South canal. The structure is the same as the construction process. All are glutinous rice porridge. The filtered glutinous rice slurry is added with gray soil, mixed with soil, and then rammed layer by layer. Below the rammed earth cushion. The foundation is to cast cypress piles on the original soil. This structure of glutinous rice paste forms a hard dam body. The cypress stakes and the cushion increase the seismic resistance of the dam body. In the era when the canal is very large, the rammed soil dam has played an important role in defense floods.

Meng Guoqiang, deputy director of the South Canal Center of Hebei Province: According to the research of cultural scholars, the fiber road in the Nan canal in the Cangzhou section is only on the west side of the canal, and there is no on the east side. Because of this section of the river section, the ship is north and the water, and the south is against the water. Only when the water is inverse water can the fiber husband be trapped in front. The fiber husband is mainly pulling fiber on the west side, which is mainly based on people's habits. Unlike the North Canal, the North Canal Fiber Road is mainly in Hedong. The distribution of one Dongyi and West also reflects the flow of water sources from the North Canal and the South canal. The water source of the North canal is mainly from Yanshan. The water source of the South canal is mainly from Nan Taihang Mountain. The upper reaches of the North canal is the Yongding River and Tonghui River. The flow of the water is flowing from north to south. The upper reaches of the South canal is the Zhanghe and Weihe River.

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