.Ka Zheng's no-fan received a report from Qin Rigang. Haihe, Cheng Jing was tested by frightening ice, and no dam broke out on the entire line."

"That's great!" Liu Xianghe stood up excitedly, picked up the cold water kettle on the table and filled Lin Haifeng's cup first, then poured himself a cup, and then picked up the water cup and beat Lin Haifeng. "The money was not spent in vain, and the years of hard work of millions of people have not been in vain. Come on, let's have a drink for those heroes who have worked day and night on the Haihe construction site."

"Yeah, I should have a drink."

Lin Haifeng reached out and picked up the water cup.

Since the national restoration, while accelerating the pace of national industrialization, the Taiping Heavenly Kingdom government has also made large-scale investments in agriculture, which is the foundation of the country. Especially in the management of floods such as Huang, Huai and other countries, as well as the basic construction of farmland, the Taiping Heavenly Kingdom government and people have made great efforts and efforts.

In the middle, there is the "Radical Haihe Project"

The Haihe River Basin is one of the seven major water systems in China.

It is adjacent to the Bohai Sea in the east, the Yellow River in the south, the Taihang Mountains in the west, and the Yanshan Mountains in the north, crosses provincial administrative regions such as Beijing, Tianjin, Yi, Lu, Mongolia, Henan, Liao, and Jin. It gathers Jiyun, Fanbai, North China, Yongding, Daqing, Ziya, Zhangwei, and Nanyun. More than 300 tributaries in the upper reaches are like a giant fan, injecting into the Bohai Sea with the main stream of the Haihe River as the stem, and the longest river reaches more than a thousand kilometers.

Because the mountainous areas at the source of the Haihe River system are formed, there is a transition zone similar to hills between the vast plains in the middle and lower reaches. Every year, when rainfall is concentrated in summer and autumn and there are heavy rains, turbulent floods from mountainous areas with sharp slopes will break out of the mountain pass and enter the large plain. However, with the terrain of the plain where the slope suddenly drops, the originally surging water flow rate will naturally slow down, causing a large amount of silt brought by the water flow to accumulate on the riverbed, which directly reduces the water flow capacity of the lower river trough.

In this case, once the water of several rivers surges and flows into the sea and rivers at the same time, the raging waters support each other but cannot be exaggerated in time, it will often lead to large-scale flood disasters.

Beijing, the capital of the national political, economic and cultural center of the Taiping Heavenly Kingdom, is located in the middle of the Haihe River Basin.

Yijin, an emerging city located in the lower reaches of the Haihe River, is not only the east gate of the capital Beijing, but also positioned as one of the major important industrial development bases in the country.

The main stream of the Haihe River runs from the intersection of the South Canal and the North Canal, which is the Jinwang Bridge in Tianjin's Sancha River mouth, and enters the sea from Dagukou. For the Haihe River system with many big belly, the mouth of Dagukou, the sea mouth is too

Therefore, as long as the tributaries in the upstream of the flood season rise at the same time, Tianjin will surely be flooded and disasters.

According to rough statistics, between the 490 years from 1368 to 1858, more than 350 severe floods occurred in the Haihe River Basin, and Tianjin City, among them, was flooded more than 60 times.

We must completely bind the unruly dragon of Haihe!

In 1860, the Taiping Heavenly Kingdom government and people roared that "we must cure the sea and rivers."

In order to fight this major battle to control the Haihe River, Qin Rigang, as the director of the North China Military and Political Office and commander of the North China Military Region, was appointed as the director of the "Haihe Committee". Under Qin Rigang's unified command, millions of soldiers and civilians in the Haihe River Basin launched a large-scale mass water control campaign in the entire basin in accordance with the principle of "storing the upper part, dividing the middle part, laying the lower part, and stagnating appropriately".

As of 1868, after eight years of hard work, the river management army successively built large reservoirs such as Guanting, Gangnan, Huangbizhuang, Miyun, Yuecheng, and many small and medium-sized reservoirs, as well as many small and medium-sized reservoirs, and planted nearly 10 million mu of trees and renovated millions of terraced fields to control the loss of water and soil. At the same time, the river management army also excavated, sparing the sea-bound main roads such as Fanbaixin River, Yongding Xin River, Ziyaxin River, Zhangwei Xin River and Duliujian River, built hundreds of new bridges, and built more than 10,000 miles of flood control embankment.

In the face of millions of river-controlling troops, Haihe finally became much more honest. In the past, the flood disasters brought by Haihe River were not only initially rectified, but also the agricultural drought resistance ability of the Haihe River Basin was greatly improved.

During the construction of this series of projects, the Tianjin River Control Army, headed by Wei Zheng, the governor of Hebei Province and commander of the 10th year of agriculture, also transformed the Tianjin section of the Haihe River.

Not only did they build a large sluice project that combines floods of the South Canal in Jinghai County, known as the "Tianjin South Gate" and "Tiannan No. 1 Town in Jinnan". At the mouth of the Haihe River in Tanggu, a large sluice project integrating comprehensive utilization values ​​such as flood discharge, tide blocking, slush storage, and shipping.

Haihe Gate.

The completion of Haihe Gate has changed the current situation of tidal rivers for thousands of years and achieved a salty and light separation, which not only ensures the living and industrial water use of Tianjin, an emerging city, but also enhances flood control safety and improves the surrounding agricultural environment.

At the same time, they also implemented a large-scale "clear and turbid separation project" in Tianjin City and the suburbs. Through this project, various types of sewage generated in the urban area can flow into the sea through the two major sewage discharge rivers, Dagu and Beitang.

Speaking of this "clear and turbid diversion project", one worth writing a lot is the drainage system in Tianjin urban area.

The Tianjin Wei did not have any serious drainage system before. Now, the small Tianjin Wei in the past has become a major industrial city that the Celestial Empire has focused on building. The huge development space for this city in the future is obvious.

To this end, Qin Rigang, Wei Zheng and others specially invited experts from the Capital Academy of Sciences to design a complete set of underground main drainage systems for Tianjin's special geographical conditions.

In this design, the future sewage discharge system in Tianjin city is divided into two large areas with the Haihe River as the boundary.

The wastewater from the northern area, Hebei, Hedong and suburbs transports the sewage discharge system into the Beitang sewage discharge river;

Sewage from the southern area, Hexi, western suburbs, southern suburbs and other places is transported into the Dagu Sewage Discharge River through the sewage discharge system.

The entire underground main sewage discharge project is an underground drainage channel made of bricks and connected in all directions, about 200 kilometers long. According to the design, two or three strong men can also walk side by side in the narrowest part of the drainage channel. And if it is the most spacious, let alone, in Qin Rigang's words, the experts designed the channel not for sewage discharge at all, but more like the legendary Tibetan soldiers' cave.

Wasted, it's a good expense!

Faced with this design, Qin Rigang, Wei Zheng and others' first reaction was like this. If you want to know what happened next, please log in to the muscles. There are more chapters, support
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