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Underwater-non-dispersion neat paste material dispersion resistance comprehensive tester and application thereof

A comprehensive tester and anti-dispersion technology, which can be used in the analysis of materials, by removing certain components, weighing, instruments, etc., to solve the problem of anti-dispersion performance testing of underwater non-dispersive pure slurry materials that cannot be directly applied, underwater non-dispersion There are no relevant test methods for the pure slurry material, and the anti-dispersion mechanism of concrete is not yet clear.

Active Publication Date: 2021-06-04
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the unevenness of underwater non-dispersant products in the domestic market, the anti-dispersion performance in practical applications varies greatly. The main reason is that the anti-dispersion mechanism of different underwater non-dispersants acting on concrete has not yet been clarified.
In order to better study its performance mechanism, considering the complexity of the concrete solid-liquid-gas system, the research should generally start with the clean slurry material. However, the current relevant regulations only stipulate the installation method for underwater non-dispersible concrete, which obviously cannot be directly applied to water. Anti-dispersion performance test of non-dispersible pulp materials
In addition, at present, industry personnel only focus on how to conduct relevant tests on the performance of underwater non-dispersible concrete, but there is no relevant test method for the application of underwater non-dispersible grout materials, and it is only judged by visually observing its underwater pouring

Method used

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  • Underwater-non-dispersion neat paste material dispersion resistance comprehensive tester and application thereof
  • Underwater-non-dispersion neat paste material dispersion resistance comprehensive tester and application thereof
  • Underwater-non-dispersion neat paste material dispersion resistance comprehensive tester and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment 1 provides a kind of underwater non-dispersible slurry material anti-dispersion comprehensive tester and its application, including the main support 7, the main support 7 is fixedly connected with sub-support one 8 and sub-support two 9, sub-support one 8 is provided with a quality testing device 5, which is specifically a digital electronic scale for real-time recording and transmission of pulp quality data. The accuracy of the digital electronic scale is 0.001g, which ensures the testing accuracy; Connect with the automatic lifting device 4, the automatic lifting device 4 is a lifting motor, the two ends of the PLC controller (specifically Omron CP1H-X40DT-D type PLC controller) are electrically connected with the computer processing terminal 10 and the lifting motor, and the automatic lifting device The lifting motor in No. 4 is also connected to the pulp cleaning container 2 through the connecting rope 3. The pulp cleaning container 2 is a cylindrical...

Embodiment 2

[0039] This embodiment 2 provides a comprehensive tester for anti-dispersion performance of underwater non-dispersible pulp cleaning materials and its application. The difference from embodiment 1 is that the water holding container 1 is specifically a water tank, and the pulp cleaning container 2 is specifically a mesh screen. Cylindrical container with 60 mesh.

experiment example 1

[0041] In order to better illustrate the scientificity and accuracy and reliability of the comprehensive tester for the anti-dispersion performance of the underwater non-dispersible slurry material provided by the present invention and the accuracy and reliability of the test data, this experimental example 1 provides the exploration of the test method related to the tester experiment.

[0042] First, four reasonable and feasible test methods are selected for comparative analysis. The four test methods are weighing method, water shaking method, suspended matter content method and pH method, among which water shaking method belongs to the test method in the field of medical application, suspended matter The content method also belongs to the method described in DL / T 5117-2000. The anti-dispersion performance was tested under different dosages of dispersants in the underwater part. The specific process is: Weighing method: put about 8g of clean slurry material in a cylindrical c...

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Abstract

The invention discloses an underwater-non-dispersion neat paste material dispersion resistance comprehensive tester and application thereof, and belongs to the technical field of neat paste material dispersion resistance testing instruments. The comprehensive tester comprises a main support, a first branch support and a second branch support are fixedly connected to the main support; a quality testing device is arranged on the first branch support and is connected to an automatic lifting device; the automatic lifting device is connected with the neat paste container through a connecting rope; a pH testing device is arranged on the branch bracket II; a water container is arranged below the pH testing device; and the quality testing device, the pH testing device and the automatic lifting device are electrically connected with the computer processing end. According to the tester provided by the invention, a weighing method and a pH method are combined to represent the dispersion resistance of the underwater-non-dispersion neat paste material, a test basis and a test method are provided for the dispersion resistance of the underwater non-dispersion neat paste material, and the requirements of automatically, accurately and intelligently testing the dispersion resistance of the underwater-non-dispersion neat paste material can be met.

Description

technical field [0001] The invention relates to the technical field of testing instruments for the anti-dispersion performance of clean pulp materials, in particular to a comprehensive test instrument for the anti-dispersion performance of underwater non-dispersible clean pulp materials and its application. Background technique [0002] Concrete is a hydraulic material, but due to the low cohesion between the components in fresh concrete, it will immediately disperse underwater when it is directly poured into water. In order to solve the problem of fresh concrete dispersing when it encounters water and improve the quality of concrete underwater construction, it is usually used to add an appropriate amount of underwater non-dispersing agent to improve the bonding ability of concrete, thereby improving the anti-dispersion performance of concrete, so that it can achieve water Under pouring terrestrialization. The invention and history of underwater non-dispersible concrete has...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N5/04G01N13/00
CPCG01N5/04G01N13/00G01N2013/003
Inventor 芦浩孙啸田正宏刘恒瑞徐伟戴波
Owner HOHAI UNIV
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