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Device and method to imitate sea bore in hydraulic model test

A hydraulic model and tidal surge technology, applied in the field of devices for simulating tidal surges, can solve problems such as design load error, limited tidal velocity strength, and measurement analysis deviation of strong tidal loads, and achieve accurate measurement, good repeatability, and methods. reliable results

Active Publication Date: 2013-07-10
NANJING HYDRAULIC RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no effective method to quickly and easily simulate the high tidal velocity control of strong tides. Only a large-scale water system and a multi-pump system can be used to simulate low tide head and bottom flow velocity. Due to the limited strength of the simulated tidal head and tidal velocity, The measurement and analysis of strong tidal loads brings huge deviations, which brings great errors to the design loads of tide-blocking buildings, and the inversion effect of tidal surge is not obvious

Method used

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  • Device and method to imitate sea bore in hydraulic model test
  • Device and method to imitate sea bore in hydraulic model test

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] A device for simulating tidal surge in a hydraulic model test, comprising a fast-lifting gate device, an upper reservoir section, a tidal surge section, and a lower reservoir section connected in sequence.

[0028] The fast lifting gate device includes: gate 17, door slot 16, pulley 13, weight 12, weight support platform 11, door slot limiter 15, hoist 121,

[0029] Described gate 17, pulley 13, weight 12 are connected by wire rope 14, and gate slot limiter 15 limits gate 17 to slip out of gate slot 16 when gate 17 rises to the highest position,

[0030] The heavy object supporting platform 11 is used to support the heavy object 12 during the water filling preparation stage,

[0031] The hoist 121 is used to lift the weight 12 during the test preparation stage.

[0032] The upper reservoir section includes: an upper reservoir 1, a wa...

Embodiment 2

[0046] A device for simulating tidal surge in a hydraulic model test, comprising a fast-lifting gate device, an upper reservoir section, a tidal surge section, and a lower reservoir section connected in sequence.

[0047] The fast lifting gate device includes: gate 17, door slot 16, pulley 13, weight 12, weight support platform 11, door slot limiter 15, hoist 121,

[0048] Described gate 17, pulley 13, weight 12 are connected by wire rope 14, and gate slot limiter 15 limits gate 17 to slip out of gate slot 16 when gate 17 rises to the highest position,

[0049] The heavy object supporting platform 11 is used to support the heavy object 12 during the water filling preparation stage,

[0050] The hoist 121 is used to lift the weight 12 during the test preparation stage.

[0051] The upper reservoir section includes: an upper reservoir 1, a water inlet regulating valve 18, an outlet regulating gate 19, and an upper backwater tank 191. The upstream of the outlet regulating gate 1...

Embodiment 3

[0065] The rest of this embodiment is the same as that of Embodiment 2, except that the formula for calculating the weight of the heavy object is 4×[weight of the gate+(water level of the upper reservoir-water level of the tidal channel)×friction coefficient of the gate groove].

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Abstract

A device for imitating sea bore in a hydraulic model test is characterized by comprising a quick lifting gate device, an upper impounding reservoir section, a sea bore section and a lower impounding reservoir section which are sequentially connected, wherein the quick lifting gate device comprises a gate, a gate groove, a pulley, a weight, a weight supporting platform, a winch and a gate groove limiting stopper. The gate, the pulley and the weight are connected through steel wires. The gate groove limiting stopper prevents the gate from sliding out of the gate groove when the gate ascends to the highest position. The weight supporting platform is used for supporting the weight in a water filling preparation stage. The winch is used for lifting the weight in a test preparation stage. The invention belongs to the field of hydraulic engineering model tests. The invention provides the device and the method to imitate the sea bore in the hydraulic model test. According to the method, dynamic water pressure of a sea bore impact structure can be measured, and the method and the device have the advantages of being reliable in method, precise in measurement and good in repeatability.

Description

technical field [0001] The invention relates to a device and method for simulating tidal surge in a hydraulic model test, in particular to a method for forming a high water level in a channel with a high flow rate to impact a tidal surge by using a fast lifting gate, belonging to the field of hydraulic engineering model tests. Background technique [0002] The entrance and exit areas of coasts, rivers and lakes are often subjected to alternating impacts such as waves and tides, and hydraulic flow control facilities and related buildings are subject to huge impact forces, which can easily cause structural damage accidents. In recent years, tsunami accidents have occurred frequently, and their destructiveness has become more and more serious, causing extremely serious damage to coastal facilities. The all-round simulation of super-strong tide surges and the real simulation of its super-strong impact load have always been the focus of this test. major problem. At present, ther...

Claims

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Application Information

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IPC IPC(8): G01M10/00
Inventor 陈发展严根华
Owner NANJING HYDRAULIC RES INST
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