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Marine concrete impacting and grinding test device and test method thereof

A technology of marine concrete and test equipment, which is applied in the direction of testing wear resistance, etc., can solve the problems of complex marine concrete, difficulty in abrasion and damage, single consideration factors, etc., and achieve real marine environment, wide range of water flow speed, and few raw materials Effect

Pending Publication Date: 2019-06-21
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Up to now, in response to the evaluation of the anti-scouring performance of hydraulic concrete, my country's "Hydraulic Concrete Test Regulations" DL / T 5150-2001 and "Technical Regulations for Anti-scouring and Cavitation Erosion Concrete for Hydraulic Structures" DL / T 5207- In 2005, three methods for testing the abrasion resistance of concrete were mainly stipulated, including the ring method, the underwater steel ball method, and the wind-sand gun method. However, these three evaluation methods are not suitable for marine concrete. The research on the abrasion problem of industrial concrete is extremely complex, with many influencing factors. The traditional test method often considers a single factor. It is very difficult to completely simulate the abrasion damage under actual working conditions, and there are long test periods and heavy molds, which make the test difficult. And other issues

Method used

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  • Marine concrete impacting and grinding test device and test method thereof
  • Marine concrete impacting and grinding test device and test method thereof
  • Marine concrete impacting and grinding test device and test method thereof

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Embodiment 1

[0041] Such as figure 1 As shown, a test device for testing the abrasion resistance of marine concrete includes a test container 4 for containing simulated seawater and test pieces, a temperature control device (or a circulating water bath) for controlling the temperature of the test environment in the test container 4 temperature control device) 1, and a stirring device 3 for driving water flow and simulating sea wave erosion and a connecting pipe (silicone hose) 2 for connecting the test container and the temperature control device; the test piece 7 is located in the test container 4, and the test piece 7 is fixed on the test container 4 by the bottom fixing part 12. During use, the test container 4 is equipped with an artificial seawater solution 10 {artificial seawater solution is simulated seawater, and the test piece 7 and the grinding medium (steel ball) are immersed in the artificial seawater solution 10 Inside}, the upper surface of the test piece 7 is paved (placed) ...

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Abstract

The invention relates to a marine concrete impacting and grinding test device and a test method thereof. The test device comprises a test container for accommodating simulated seawater and a test piece, a temperature control device for controlling a test environment temperature in the test container, a stirring device for driving a water flow and simulating wave washing, and a communication tube for being connected with the test container and the temperature control device. The test piece is arranged in the test container. When the test device is in use, the test container is filled with an artificial sea water solution. An impacting and grinding medium is paved on the upper surface of the test piece; and stirring impellers of the stirring device are arranged in the test container. The test device having a simple structure is operated conveniently. The development and study of the anti-impacting anti-grinding performance evaluation method of the cement-based material and the novel material of the marine concrete under effects of multiple coupling factors in an actual marine environment, especially in a splash zone can be simulated and promoted. The test device and the test method have characteristics of wide application range, real marine environment simulation, energy conservation, and environment protection and the like.

Description

technical field [0001] The invention relates to a marine concrete abrasion test device and a test method thereof, in particular to a concrete abrasion test device in a simulated seawater environment and a test method thereof. Background technique [0002] Concrete abrasion damage accounts for about 10% of the durability damage, and the combined action of abrasive erosion and other factors will cause a higher proportion of damage. It is currently a water conservancy project, road and bridge engineering, and marine engineering that have abrasive erosion environmental conditions that need to be considered. An important aspect of concrete durability. As the service environment of infrastructure projects becomes increasingly harsh and complex, in-depth research on the mechanism of concrete abrasion and erosion and material design is required. Due to the differences in operating conditions in different environments and different working conditions, the damage characteristics of c...

Claims

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Application Information

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IPC IPC(8): G01N3/56
Inventor 饶美娟曾浪王发洲杨露胡曙光
Owner WUHAN UNIV OF TECH
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