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Pressing device and method for trace concrete real pore solution

A pore solution and concrete technology, which is applied in the field of pressing devices for micro-concrete real pore solution, can solve the problems of low safety and poor sealing, and achieve the effect of simple processing and production.

Inactive Publication Date: 2018-02-16
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, relevant micro-concrete squeezing devices (such as about 30g of concrete fragments) cannot be purchased directly on the market at present, and existing squeezing devices have some deficiencies, such as poor sealing or low safety.

Method used

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  • Pressing device and method for trace concrete real pore solution
  • Pressing device and method for trace concrete real pore solution
  • Pressing device and method for trace concrete real pore solution

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Experimental program
Comparison scheme
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Embodiment Construction

[0029] see Figure 1 to Figure 5 , the present embodiment provides a squeeze device for a trace amount of concrete real pore solution, including a base 1, the base 1 has a raised edge, and an outer sleeve 2 and an inner sleeve 3 concentrically arranged on the base 1 are installed, wherein, The outer sleeve 2 is in contact with the raised edge of the base 1, the inner sleeve 3 has a pressure-conducting piston 4 in the center, and a circle of circular grooves 11 (circular concave grooves 11) for collecting pore solutions are arranged on the upper surface of the base 1. The specific position of the groove 11 is close to the inner diameter of the bottom surface of the inner sleeve 3), and there is a hole solution outlet pipe 12 leading to the side of the base 1 on the side of the circular groove 11.

[0030] In this embodiment, the base 1, the inner sleeve 3 and the piston 4 are all made of Cr12MoV die steel, and heat treated and quenched to 58-62HRC.

[0031] Outer sleeve 2 adop...

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Abstract

The invention discloses a pressing device for a trace concrete real pore solution, wherein the pressing device comprises a base; a convex edge is arranged on the base, and an outer sleeve and an innersleeve are concentrically arranged on the base, wherein the outer sleeve makes contact with the base convex edge, the center of the inner sleeve is provided with a piston for conducting the pressure,the upper surface of the base is provided with a circular groove for collecting the pore solution, and one side of the circular groove is provided with a pore solution deriving pipeline leading to the side face of the base. The pressing device has the advantages of simple preparation processing, repeatable use and scientific and rational test method, and is of great significance to the study of the carbonization process of concrete and other problems.

Description

technical field [0001] The invention belongs to an auxiliary device in the field of civil engineering, and in particular relates to a squeezing device and method for a trace amount of concrete real pore solution. Background technique [0002] In order to study various ion contents and pH values ​​in concrete, it is necessary to prepare concrete pore solution first, but among the current preparation methods of concrete pore solution, only the pressing method can prepare real pore solution, so as to obtain accurate test results. When using the pressing method to prepare the pore solution to study the pH value of concrete, at least 125g of concrete fragments should be used for pressing, and at least 5ml of the pore solution should be collected for testing. But can't directly buy relevant micro-concrete squeezing device (as about 30g concrete fragments) on the market at present, and existing squeezing device all has some deficiencies, as sealing is not good or safety is not high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
CPCG01N1/286
Inventor 刘西光牛荻涛李星辰吕瑶
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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