Coastal shallow wetland construction method for hard landing river routes
A construction method and channel technology, applied in the construction of nearshore shoal wetlands, can solve the problems of limited interception capacity and treatment capacity, unsatisfactory treatment effect, single type of pollutant removal, etc., to achieve in-situ restoration and reduce erosion erosion , the effect of reducing the amount of excavation
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Embodiment 1
[0034] A method for constructing near-shore shoal wetlands for hard revetment channels, using the following steps to construct:
[0035] 1) On both sides of the river, log piles are selected at the position where the difference between the height of the silt and the height of the water surface is +0.2 m, so that the shape of the wetland unit enclosed by the wooden pile and the river bank is rectangular, the length of the wetland unit is 6 m, and the area is 24 mm 2 , the maximum width of a wetland unit perpendicular to the river bank accounts for 10% of the channel width, the distance between adjacent wetland units on the same side of the river bank is 4 times the width of the river flat, and the distance between adjacent wetland units on the opposite side of the river is 2 times the width of the river flat;
[0036] 2) After step 1) is completed, the side length of the piled stones on the outside of the pile is 200 mm, and the total height of the piled stones on the outside of...
Embodiment 2
[0040] A method for constructing near-shore shoal wetlands for hard revetment channels, using the following steps to construct:
[0041] 1) On both sides of the river, log piles are selected at the position where the difference between the height of the silt and the height of the water surface is -0.1 m, so that the shape of the wetland unit enclosed by the wooden pile and the river bank is semi-elliptical, the length of the wetland unit is 8 m, and the area is 50 mm 2 , the maximum width of a wetland unit perpendicular to the river bank is 15% of the channel width, the distance between adjacent wetland units on the same side of the river bank is 6 times the width of the river flat, and the distance between adjacent wetland units on the opposite side of the river is 3 times the width of the river flat;
[0042] 2) After step 1) is completed, the side length of the piled stones on the outside of the pile is 300 mm, and the total height of the piled stones on the outside of the ...
Embodiment 3
[0046] A method for constructing near-shore shoal wetlands for hard revetment channels, using the following steps to construct:
[0047] 1) On both sides of the river, log piles are selected at the position where the difference between the height of the silt and the height of the water surface is +0.3 m, so that the shape of the wetland unit enclosed by the wooden pile and the river bank is wavy, etc. The length of the wetland unit is 7 m, and the area is 80 mm 2 , the maximum width of a wetland unit perpendicular to the river bank is not greater than 16% of the channel width, the distance between adjacent wetland units on the same side of the river bank is 7 times the width of the river flat, and the distance between adjacent wetland units on the opposite side of the river is 4 times the width of the river flat ;
[0048] 2) After step 1) is completed, the side length of the piled stones on the outside of the pile is 260 mm, and the total height of the piled stones on the ou...
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