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A technology for simulating test and sediment content, applied in the field of simulating high sand content influx and simulating tidal head sand content, which can solve the problems of unseen tidal head simulation and so on.
Active Publication Date: 2014-08-13
ZHEJIANG INST OF HYDRAULICS & ESTUARY
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Embodiment 1
[0039] A test tank device for simulating tide surges with high sediment content, including a variable head high water tank 1, a test tank 2, and an underground reservoir 3;
[0040] The variable water head high water tank 1 includes: a box body 11, a flat water tank 12, an overflow inner pipe 13, a jack 14, a water inlet pipe 15, an overflow outer pipe 16, and a water outlet pipe 18; the flat water tank 12 is placed in the box body 11 Inside, it is supported by a jack 14 and the height of the overflow is adjusted. The upper end of the overflow inner pipe 13 is connected to the bottom of the flat water tank 12, and the lower section is inserted into the inside of the overflow outer pipe 16. The connection between the overflow inner pipe 13 and the overflow outer pipe 16 can slide and Set the water stop rubber;
[0041] During the test, the jack 14 is adjusted to make the flat water tank 12 reach a predetermined height, the water intake of the water inlet pipe 15 is greater than...
Embodiment 2
[0053] A test tank device for simulating tide surges with high sediment content, including a variable head high water tank 1, a test tank 2, and an underground reservoir 3;
[0054] The variable water head high water tank 1 includes: a box body 11, a flat water tank 12, an overflow inner pipe 13, a jack 14, a water inlet pipe 15, an overflow outer pipe 16, and a water outlet pipe 18; the flat water tank 12 is placed in the box body 11 Inside, it is supported by a jack 14 and the height of the overflow is adjusted. The upper end of the overflow inner pipe 13 is connected to the bottom of the flat water tank 12, and the lower section is inserted into the inside of the overflow outer pipe 16. The connection between the overflow inner pipe 13 and the overflow outer pipe 16 can slide and Set the water stop rubber;
[0055] During the test, the jack 14 is adjusted to make the flat water tank 12 reach a predetermined height, the water intake of the water inlet pipe 15 is greater than...
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Abstract
A high sand content bore simulation testing method relates to a testing method for simulating high sand content bore in a river mouth model test, particularly relates to a method and a device for simulating the bore head sand content during the bore and belongs to the field of coastal engineering model tests. A test water tank device for simulating the high sand content bore and a method for utilizing the device to conduct simulation test are further provided. The test water tank device comprises a variable water head high level water tank, a test water tank and an underground reservoir. A tail door and the variable water head high level water tank are utilized to adjust the flowing speed of water in the water tank to reach the preset value, a fast gate is closed, the water flow is stopped and generates the bore in the water tank, the bore upwells upstream from the gate and drives sand in a sand tank, and vertical sand distribution in the water tank is measured at the moment to obtain the natural-state vertical sand distribution characteristics. The device and the method specially used for simulating the vertical sand distribution of the bore are provided. The sand distribution obtained by the method is similar to the natural sand distribution. The device meets the law of similarity.
Description
technical field [0001] The invention relates to a test method for simulating high-sedimentation tide surges in estuary model tests, in particular to a method and device for simulating the sand content of tide-surge head when tide surges occur, and belongs to the field of coastal engineering model tests . Background technique [0002] A tidal surge is a phenomenon of high tide in the estuary section of a river entering the sea. About 450 estuaries around the world are affected by tidal surges. There are wavy tides and swirling tides. The wavy tides are wave trains formed by a series of parallel and forward-propagating surges, while the swirling tides are water rolls that advance steeply forward. The Qiantang River, along with the Amazon River in South America and the Ganges River in South Asia, are listed as "the world's three most powerful tidal rivers". The tidal surge of the Qiantang River is majestic and spectacular, but at the same time, the huge hydrodynamic force br...
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