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A platform for research: civil engineering, architecture and urbanism
Transformation construction method for salinized land in seawater backflow area
The invention discloses a transformation construction method for a salinized land in a seawater backflow area. The method comprises the steps that a to-be-transformed area is defined by water pluggingpiles around a seaside to-be-transformed salinized land, a freshwater river which is high in terrain and closest to the to-be-transformed area is selected as a water taking point, and a stratum withgood water permeability in the stratum between the water taking point and the to-be-transformed area is selected as an underground water channel; a dam is built at the water taking point, a reservoiris built close to the bank side of a dam, and upstream river water of the river is introduced into the reservoir; a recharge well is drilled in the underground water channel close to the reservoir, two rows of water plugging walls are built on the underground water channel between the reservoir and the to-be-transformed area through connecting water plugging piles, and the two rows of water plugging walls are led into the to-be-transformed area; dewatering wells are drilled in the to-be-transformed area and the two rows of water plugging walls between the to-be-transformed area and the recharge well, and underground water in the dewatering wells is pumped out through a pump; fresh water in the reservoir is introduced into the recharge well, and river water is recharged into the salinized land under the action of the terrain energy difference between the recharge well and the salinized land and the water head difference of the recharge well.
本发明将海水倒灌区盐渍地进行改造施工方法包括：在海边待改造盐渍地四周用堵水桩围成待改造区域，在该待改造区域附近选择地势高且最近淡水河流为取水点，选取水点与待改造区域之间地层内具有较好透水性地层为地下水通道；在取水点处筑建大坝，在靠近大坝岸边筑建蓄水池，将河流上游河水引入蓄水池内；在靠近蓄水池地下水通道内钻有回灌井，在蓄水池与待改造区域之间地下水通道上，通过相连堵水桩建筑两排堵水墙，两排堵水墙通入待改造区域；在待改造区域内和待改造区域和回灌井之间两排堵水墙内钻有降水井，用泵将降水井中地下水抽干；将蓄水池内淡水引入回灌井内，依靠回灌井和盐渍地之间地势能差和回灌井水头差作用，河水被回灌到盐渍地中。
Transformation construction method for salinized land in seawater backflow area
The invention discloses a transformation construction method for a salinized land in a seawater backflow area. The method comprises the steps that a to-be-transformed area is defined by water pluggingpiles around a seaside to-be-transformed salinized land, a freshwater river which is high in terrain and closest to the to-be-transformed area is selected as a water taking point, and a stratum withgood water permeability in the stratum between the water taking point and the to-be-transformed area is selected as an underground water channel; a dam is built at the water taking point, a reservoiris built close to the bank side of a dam, and upstream river water of the river is introduced into the reservoir; a recharge well is drilled in the underground water channel close to the reservoir, two rows of water plugging walls are built on the underground water channel between the reservoir and the to-be-transformed area through connecting water plugging piles, and the two rows of water plugging walls are led into the to-be-transformed area; dewatering wells are drilled in the to-be-transformed area and the two rows of water plugging walls between the to-be-transformed area and the recharge well, and underground water in the dewatering wells is pumped out through a pump; fresh water in the reservoir is introduced into the recharge well, and river water is recharged into the salinized land under the action of the terrain energy difference between the recharge well and the salinized land and the water head difference of the recharge well.
本发明将海水倒灌区盐渍地进行改造施工方法包括：在海边待改造盐渍地四周用堵水桩围成待改造区域，在该待改造区域附近选择地势高且最近淡水河流为取水点，选取水点与待改造区域之间地层内具有较好透水性地层为地下水通道；在取水点处筑建大坝，在靠近大坝岸边筑建蓄水池，将河流上游河水引入蓄水池内；在靠近蓄水池地下水通道内钻有回灌井，在蓄水池与待改造区域之间地下水通道上，通过相连堵水桩建筑两排堵水墙，两排堵水墙通入待改造区域；在待改造区域内和待改造区域和回灌井之间两排堵水墙内钻有降水井，用泵将降水井中地下水抽干；将蓄水池内淡水引入回灌井内，依靠回灌井和盐渍地之间地势能差和回灌井水头差作用，河水被回灌到盐渍地中。
Transformation construction method for salinized land in seawater backflow area
将海水倒灌区盐渍地进行改造的施工方法
LI JINLIANG (author) / HUANG YUANCHEN (author) / HUANG YUCHEN (author)
2020-10-02
Patent
Electronic Resource
Chinese
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