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WANG Jun, CHEN Pangpang, YANG Qinghui, SHI Fayi, LIU Tao. Impact of bridge piers on ice jam stage variation:An experimental study[J]. Advances in Water Science, 2015, 26(6): 867-873. doi: 10.14042/j.cnki.32.1309.2015.06.013
Citation: WANG Jun, CHEN Pangpang, YANG Qinghui, SHI Fayi, LIU Tao. Impact of bridge piers on ice jam stage variation:An experimental study[J]. Advances in Water Science, 2015, 26(6): 867-873. doi: 10.14042/j.cnki.32.1309.2015.06.013

Impact of bridge piers on ice jam stage variation:An experimental study

doi: 10.14042/j.cnki.32.1309.2015.06.013
Funds:  The study is financially supported by the National Natural Science Foundation of China (No. 51379054).
  • Received Date: 2015-03-03
  • Publish Date: 2015-11-25
  • In the vast northern regions, ice jam can be easily formed during winter times, which can further result in ice jam flooding. Due to the presence of bridge infrastructures, the flow field can also be complicated. To study the impact of bridge pier on ice jam, the present study was conducted. By using experimental approach, the mechanism of backwater height variation was measured. It shows that the presence of bridge pier significantly changes the backwater height during ice jam. The ice jam evolution can be classified as "before pier" and "after pier" conditions. Erosion on ice jam around bridge piers can also be noted, which further complicate the ice jam stage development. It is also found that with or without bridge pier, the mechanism of backwater height shows similar trend under different flow conditions and ice discharge. However, with a larger diameter, the backwater height variation is larger under the same flow and ice conditions. With the same blockage ratio, double piers can results in a higher backwater height increase comparing to a single pier.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Impact of bridge piers on ice jam stage variation:An experimental study

doi: 10.14042/j.cnki.32.1309.2015.06.013
Funds:  The study is financially supported by the National Natural Science Foundation of China (No. 51379054).

Abstract: In the vast northern regions, ice jam can be easily formed during winter times, which can further result in ice jam flooding. Due to the presence of bridge infrastructures, the flow field can also be complicated. To study the impact of bridge pier on ice jam, the present study was conducted. By using experimental approach, the mechanism of backwater height variation was measured. It shows that the presence of bridge pier significantly changes the backwater height during ice jam. The ice jam evolution can be classified as "before pier" and "after pier" conditions. Erosion on ice jam around bridge piers can also be noted, which further complicate the ice jam stage development. It is also found that with or without bridge pier, the mechanism of backwater height shows similar trend under different flow conditions and ice discharge. However, with a larger diameter, the backwater height variation is larger under the same flow and ice conditions. With the same blockage ratio, double piers can results in a higher backwater height increase comparing to a single pier.

WANG Jun, CHEN Pangpang, YANG Qinghui, SHI Fayi, LIU Tao. Impact of bridge piers on ice jam stage variation:An experimental study[J]. Advances in Water Science, 2015, 26(6): 867-873. doi: 10.14042/j.cnki.32.1309.2015.06.013
Citation: WANG Jun, CHEN Pangpang, YANG Qinghui, SHI Fayi, LIU Tao. Impact of bridge piers on ice jam stage variation:An experimental study[J]. Advances in Water Science, 2015, 26(6): 867-873. doi: 10.14042/j.cnki.32.1309.2015.06.013

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