The construction scheme for emergency dredging pro

2022-08-01
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The construction scheme of Zhouqu silted up river emergency dredging project passed the review. The construction scheme of Zhouqu silted up river emergency dredging project passed the review. China Engineering Machinery Information Guide: according to the national headquarters of defense, on the afternoon of August 14, Luhao, Secretary of Gansu provincial Party committee and commander of the provincial rescue and disaster relief headquarters, Chen Lei, Minister of water resources, and zhangqinsheng, deputy chief of general staff of the people's Liberation Army

according to the national defense headquarters, on the afternoon of August 14, Luhao, Secretary of Gansu provincial Party committee and commander of Gansu Provincial rescue and relief headquarters, Chen Lei, Minister of water resources, and zhangqinsheng, deputy chief of general staff of the people's Liberation Army, jointly held a special meeting of the rescue and relief headquarters in Zhouqu. Liuweiping, acting governor of Gansu Province, Guan Kai, deputy commander of Lanzhou Military Region, and others attended the meeting. The meeting reviewed and approved the design and construction scheme of Bailong River emergency dredging project for the catastrophic mountain torrent and debris flow disaster in Zhouqu, Gansu reported by LiuNing, Vice Minister of the Ministry of water resources, and submitted it to the hydropower force of the armed police with a national perspective and the engineering force of the Lanzhou military region for construction. The meeting also decided to send experts to provide on-site guidance for the risk elimination construction. On the morning of the 15th, Minister Chen Lei and vice minister Liu Ning inspected the progress of river dredging construction on the spot and coordinated to solve relevant problems on the spot

in order to increase the scouring of water flow on the silted body, the Zhouqu (1) experimental machine prepared to increase the discharge of youdalijie hydropower station from 70 cubic meters per second to 110 cubic meters per second on the 14th. On the same day, two long arm excavators urgently dispatched by the national headquarters for prevention and control from China Railway 20th Bureau and Sinohydro bureau 3, as well as a set of excavator long arm and bucket and other construction equipment dispatched from Lanzhou were successively put into risk elimination construction; 5000 pieces of lead wire allocated from Zhengzhou warehouse of the central flood control materials with low price and reliable service are being transported to Zhouqu

the hydropower forces of the armed police continued to intensify excavation, and 39 excavators carried out 24-hour uninterrupted excavation at multiple sections along the left bank of the Bailong River. At 9:00 on the 15th, after the engineering corps of Lanzhou Military Region completed three times of blasting and clearing of the water blocking section of sanyenggou, all the working faces were handed over to the hydropower forces of the armed police for excavation. The engineering corps of Lanzhou Military Region successfully erected a mechanized bridge on the middle hole of Wachang bridge, and 9 large-scale excavation machines have entered the right bank to open up a construction face to carry out dredging of the right hole of Wachang bridge and dredging of the river channel

by 12:00 on the 15th, the Lanzhou Military Region had invested 1459 person times, 9 sets of excavation equipment, 120 assault boats, excavated 1500 cubic meters of earth and rock, and carried out 34 explosions; The Armed Police Hydropower force invested 1872 person times and 439 sets of equipment, excavated, transported and filled 40000 cubic meters of stonework, cleaned 91000 cubic meters of river deposits, 28500 cubic meters of silt, 210 cubic meters of floating debris, built 2020 meters of roads, completed 700 square meters of site leveling, and paved 1100 pieces of subgrade boxes and slabs

at 12:00 on the 15th, the flow of the barrier lake into the lake was 106 cubic meters per second, and the flow out of the lake was 119 cubic meters per second. The water level of the barrier lake decreased by 0.07 meters compared with that at 8:00

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