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Method for evaluating adhesion of anti-rut agent to stone material

An anti-rutting agent and evaluation method technology, which is applied in the field of evaluation of anti-rutting agent and stone adhesion, can solve the problems of inaccurate container quality, calculation error, etc., and achieve the effect of simple operation and good repeatability

Inactive Publication Date: 2018-06-26
SHANXI PROVINCIAL RES INST OF COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the sample is not cleaned cleanly, the quality of the container after cleaning the sample will be inaccurate, which will easily cause errors in the calculation

Method used

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  • Method for evaluating adhesion of anti-rut agent to stone material
  • Method for evaluating adhesion of anti-rut agent to stone material
  • Method for evaluating adhesion of anti-rut agent to stone material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The engineering overview of this embodiment is: the surface layer limestone AC-20 anti-rutting agent asphalt mixture material design in the asphalt pavement of an expressway, and the addition amount is 0.4% of the asphalt mixture mass. There are three brands of anti-rutting agents A, B and C.

[0011] The method of adhesion between anti-rutting agent and stone is used for evaluation.

[0012] 1) Sieve, wash and dry AC-20 limestone aggregates to obtain a number of clean and dry stone samples with a size of 2.36-9.5 mm;

[0013] 2) Weigh an appropriate amount of stone samples, denoted as m 1 , put it in an oven at 180±2°C and heat it for more than 5 hours;

[0014] 3) According to the actual amount added in the project, take some dry samples of three brands of anti-rutting agents A, B, and C in proportion, and record it as m 2 ;

[0015] 4) After preheating the mixing device at 180±2°C for 30 minutes, add the stone sample and anti-rutting agent at the same time, and s...

Embodiment 2

[0022] The engineering overview of this embodiment is: the design of the basalt AC-13 anti-rutting agent asphalt mixture material on the upper layer of the asphalt pavement of a highway, and the addition amount is 0.4% of the asphalt mixture quality. There are three brands of anti-rutting agents A, B and C.

[0023] The method of adhesion between anti-rutting agent and stone is used for evaluation.

[0024] 1) Sieve, wash and dry AC-13 basalt aggregates to obtain a number of clean and dry stone samples with a size of 2.36-9.5mm;

[0025] 2) Weigh an appropriate amount of stone samples, denoted as m 1 , put it in an oven at 180±2°C and heat it for more than 5 hours;

[0026] 3) According to the actual amount added in the project, take some dry samples of three brands of anti-rutting agents A, B, and C in proportion, and record it as m 2 ;

[0027] 4) After preheating the mixing device at 180±2°C for 30 minutes, add the stone sample and anti-rutting agent at the same time, a...

Embodiment 3

[0034] The engineering overview of this embodiment is: the upper layer of the asphalt pavement of a certain grade of highway is designed with an anti-rutting agent asphalt mixture material, and the addition amount is 0.4% of the asphalt mixture mass. There are three types of stones: limestone, basalt and diabase.

[0035] The method of adhesion between anti-rutting agent and stone is used for evaluation.

[0036] 1) Sieve, wash, and dry limestone, limestone, and diabase aggregates to obtain a number of clean and dry stone samples with a size of 2.36 to 9.5 mm;

[0037] 2) Weigh an appropriate amount of stone samples respectively, denoted as m 1 , put it in an oven at 180±2°C and heat it for more than 5 hours;

[0038] 3) According to the actual amount added in the project, weigh a number of dry anti-rutting agent samples in proportion, and record it as m 2 ;

[0039] 4) After preheating the mixing device at 180±2°C for 30 minutes, add the stone sample and anti-rutting agen...

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Abstract

The invention belongs to the technical field of highway engineering testing, and in particular relates to a method for evaluating adhesion of an anti-rut agent to a stone material. The method includesthe steps of taking an appropriate amount of clean and dry stone sample of 2.36-9.5mm size, recording the sample as m1, placing the sample in an oven of 180+ / -2 DEG C for 5 h or more; according to the engineering actual additive amount, weighing the dry anti-rut agent sample in proportion, and recording the sample as m2; discharging the mixture into a clean enamel tray, performing film sealing, freezing the mixture into at 80 DEG C below zero for 1 h or more, taking the mixture and removing the film, immediately placing the mixture into a 120 DEG C oven with a shaking table function, performing heating for 30 min, shaking out at 100 rmp, scraping the anti-rut agent out and weighing the anti-rut agent, and recording the anti-rut agent as m3; wherein when the mass adhesion ratio is calculated, the greater the value, the better it indicates the adhesion of the anti-rut agent to the stone material. Compared with the prior art, the method is simple to operate and good in repeatability, theadhesion between the anti-rutting agent and the stone material can be evaluated directly and quickly, and the method is of great significance for construction and production.

Description

technical field [0001] The invention belongs to the technical field of highway engineering tests, and in particular relates to an evaluation method for the adhesion between an anti-rutting agent and stone materials. Background technique [0002] In recent years, anti-rutting agent products have achieved large-scale application in the road construction and maintenance market due to their excellent road performance and convenient addition methods. During the mixing process, the anti-rutting agent is partially drawn into plastic fibers, and bridges and cross-links in the aggregate skeleton to form fiber reinforcement. Therefore, the adhesion between the anti-rutting agent and the stone is very important. [0003] At present, there is no direct test method and index for the adhesion between anti-rutting agent and stone, which is mainly reflected indirectly by the physical properties of anti-rutting agent itself and the performance of asphalt mixture. The physical indicators of ...

Claims

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Application Information

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IPC IPC(8): G01N5/04
CPCG01N5/04
Inventor 樊长昕马德崇王威杜素军丰功吉李雪莲舒兴旺周亚军郭赢赢
Owner SHANXI PROVINCIAL RES INST OF COMM
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