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Concrete aggregate sinking-floating characteristic detection device and detection method thereof

A technology of concrete aggregate and detection device, applied in the field of concrete, can solve the problems of insufficient experiment and mathematical analysis, long time required, and high experiment cost, and achieve the effect of real and effective measurement data, promotion of significant progress, and simple and easy method.

Inactive Publication Date: 2012-08-22
山东起凤建工股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a lack of detection methods and tools at present, so the relevant experiments and mathematical analysis are not enough, and the numerical characterization is not enough; it is often determined by making samples and repeated trials, but this method takes a long time and costs a lot. high quality fluctuation

Method used

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  • Concrete aggregate sinking-floating characteristic detection device and detection method thereof
  • Concrete aggregate sinking-floating characteristic detection device and detection method thereof
  • Concrete aggregate sinking-floating characteristic detection device and detection method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Example 1 Measuring the Mechanical Characteristics of Aggregate Settlement under Static or Vibrating Conditions

[0035] Refer to attached Figure 1~4 : This kind of concrete aggregate sinking-floating mechanical characteristic detection device includes container 1, main bracket 2, ear-shaped sliding sleeve 3, upper beam 9, lower beam 5 and steel wire 7, and the main bracket 2 can slide up and down to adjust the position and function. Fastened to the main bracket 2 with screws, and there are flat ear-shaped sliding sleeves 3 for installing other parts, the upper inner side of the upper part of the main bracket 2 is installed in pairs through the ear-shaped sliding sleeves 3 installed in parallel to each other. The crossbeam 9 and the lower crossbeam 5 place a container 1 filled with aggregate mixture under the main support 2, and a vibrating rod 19 is inserted in the container 1.

[0036] A plurality of second brackets 10 are vertically installed on the upper beam 9, a...

Embodiment 2

[0052] Example 2 Measuring the sinking force of lead aggregate in the mixture by substitution method

[0053] Refer to attached figure 1 : basically identical with embodiment 1, slightly different is: increased the quantity of weight 15, the numerical value that the lead density minus iron density is multiplied by the volume gained of aggregate test block 8 to be measured is used as the added weight For the mass value of code 15, the gravity provided by these additional weights 15 is included in the gravity of the test iron aggregate, and the data recording and analysis are modeled on embodiment 1.

Embodiment 3

[0054] Example 3 Measuring the Sinking Force of Limonite Ore Aggregate in Mixture by Alternative Method

[0055] Refer to attached figure 1 : basically identical with embodiment 1, slightly different is: select the limestone massive aggregate that is easy to obtain for use to do test quickly, measure the sinking force of limonite, increase the quantity of weight 15, the weight of limonite Density minus the density of the limestone block aggregate multiplied by the volume of the aggregate test block 8 to be tested, as the mass value of the added weight 15, the gravity provided by these added weights 15 is included in the test. The gravity of the aggregate.

[0056] Data recording and analysis follow the example 1.

[0057] In addition, because there are many variables in the detection of the application of the present invention, there are correspondingly many embodiments, and one or more variables are limited for analysis and detection, and there will be multiple detection op...

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Abstract

The invention discloses a concrete aggregate sinking-floating characteristic detection device and a detection method thereof belonging to the technical field of concrete, and relates to a detection device and method of the sinking-floating characteristics of high-density concrete aggregate for radioactivity protection. The device comprises a first bracket (2), an upper beam (9), a lower beam (5) and a steel wire (7), wherein the upper beam (9) and lower beam (5) parallel to each other are mounted on the horizontal direction of the inner side of the upper part of the first bracket (2) through the ear-shaped slide sleeves (3) mounted in pair; multiple second brackets (10) are vertically mounted on the upper beam (9); multiple horizontal fifth brackets (6) are correspondingly mounted on the lower beam (5); the steel wire (7) sequentially passes through the guide holes of a third bracket (12) and a fifth bracket (6) mounted on one side of the second bracket (10), and is fixedly connected with the under-test aggregate test block (8) in a container (1). The device and method disclosed by the invention have the advantages of short detection time, low cost, low fluctuation of the detected data and the like.

Description

technical field [0001] The invention discloses a detection device and a detection method for the sinking and floating characteristics of concrete aggregates, which belong to the technical field of concrete, and in particular relate to a detection device and a method for detecting the sinking and floating characteristics of high-density concrete aggregates for radioactive protection. Background technique [0002] The sinking of aggregates in ordinary concrete is not obvious, and the sinking and floating characteristics of aggregates can be ignored. In high-density concrete, the density of doped iron and lead blocks is much higher than that of the mixture, and the tendency of aggregate sinking is significant. The ability of high-density concrete with the same thickness to ray attenuation is approximately linearly related to its density. Some components of aggregate have selective attenuation ability for certain ray. Therefore, the uniformity of aggregate distribution (also ...

Claims

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Application Information

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IPC IPC(8): G01N15/04
Inventor 张会亭田绪峰巩曰新田昭春张志新孙茂波周锫黄琪亮巩天涛巩方涛田昊穆冠帅田连超
Owner 山东起凤建工股份有限公司
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