Durability test device for simulating ocean tidal action in artificial environment

A technology of durability test and artificial environment, applied in measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., it can solve the problems of inability to add artificial environment conditions, inability to control temperature and humidity, and inability to adjust wind speed, so as to increase the amount of water added. Protection device, low price, convenient operation effect

Active Publication Date: 2013-12-25
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems that the current accelerated simulation test device for chloride salt erosion of concrete in the seawater tidal zone cannot be added to artificial environmental conditions or cannot control temperature and humidity, and the wind speed cannot be adjusted, the present invention pr...

Method used

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  • Durability test device for simulating ocean tidal action in artificial environment
  • Durability test device for simulating ocean tidal action in artificial environment
  • Durability test device for simulating ocean tidal action in artificial environment

Examples

Experimental program
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Effect test

Embodiment 1

[0024] Embodiment 1 The durability test device for simulating ocean tide action in the artificial environment of the present invention comprises tide control system 1, temperature and humidity control system 2, blowing control system 3, test box body 4 and controller 5, and described tide The control system 1 includes a corrosion tank 11, a salt water tank 12, a water supply and drainage pipe 13, and a tap water inlet pipe 14. The corrosion tank 11 is placed in the test box 4, and the corrosion tank 11 and the salt water tank 12 are The water supply and drainage pipes 13 are connected between them, the corrosion tank 11 is provided with a first upper water level sensor 111 and a first lower water level sensor 112, and the inside of the brine pool 12 is provided with a second upper water level sensor 121 and a second lower water level sensor 122 The tap water inlet pipe 14 is connected with the brine pool 12 through the first electromagnetic valve 141, and the end of the tap wat...

Embodiment 2

[0036] Embodiment 2 is tested with the test device of Embodiment 1: test parameters are set on the controller: ambient temperature is 35°C, relative humidity is 70%, wind speed is 2m / s, and the tide system is 9:00~21:00 soaking process , 21:00~9:00 drying process, cycle 60 times. Suppose it is 9:00 at this time. After the parameters are set, start the program:

[0037] Before the test starts, put the test sample into the corrosion tank 11, calculate the volume of salt water required according to the volume of the concrete specimen volume and the volume of the corrosion tank 11, close the manual valves of the first drain pipe 113 and the third drain pipe 126, and the weighing Pour a good amount of solid salt into the brine pool 12, operate the controller 5 according to the control program, manually open the first electromagnetic valve 141, and determine the liquid level of the added tap water in the liquid level pipe 124 according to the required brine concentration and the ...

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Abstract

The invention discloses a durability test device for simulating the ocean tidal action in an artificial environment. The device includes a tide control system, a temperature and humidity control system, a blowing control system, a test box and a controller. The test box is in connection with the blowing control system, the temperature and humidity control system, and the tide control system. A corrosion water groove for placing a test piece is disposed in the test box, and is connected to a heat preservation salt water pool outside the test box through the tide control system. The blowing control system, the temperature and humidity control system and the tide control system are respectively connected to a PLC control module in the controller. The durability test device provided in the invention not only can automatically simulate the tidal action, but also can accurately control the environmental conditions in a tidal process. With the advantages of simple structure, high degree of automation, strong stability, good durability, and good user operation interface, the durability test device is completely suitable for tidal action simulation in different ocean environments.

Description

technical field [0001] The invention relates to a durability test device for simulating ocean tide action in an artificial environment. Background technique [0002] Reinforced concrete structure combines the advantages of steel and concrete, and is the preferred type of civil engineering structure design. In recent years, marine development has received widespread attention, and reinforced concrete structures have been widely used in the construction of offshore oil production platforms and cross-sea bridges. However, reinforced concrete structures in marine environments will be corroded by chloride salts, and their durability has gradually become a worldwide problem. Existing studies have shown that the structural concrete in the tidal action area is most severely eroded by harmful media under marine environmental conditions, so it is taken as the key to structural durability design. [0003] The storage and migration of moisture in concrete plays a vital role in the tra...

Claims

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Application Information

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IPC IPC(8): G01N17/00
Inventor 付传清郑建军金贤玉李沛豪赵建勇
Owner ZHEJIANG UNIV OF TECH
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