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Porous ceramsite and asphalt concrete and application thereof

A technology of asphalt concrete and porous ceramics, which is applied to the coagulation pavement, buildings, roads and other directions of on-site paving, can solve the problems of secondary pollution, etc., and achieve the effect of reducing the amount of consumption, good environmental protection benefits, and reducing the probability of occurrence.

Active Publication Date: 2016-10-12
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, a large amount of dredged silt / sludge with high water content is produced during the dredging and remediation process of inland waterways and seaport beaches, and the commonly used dumping treatment method is prone to "secondary pollution"

Method used

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  • Porous ceramsite and asphalt concrete and application thereof
  • Porous ceramsite and asphalt concrete and application thereof
  • Porous ceramsite and asphalt concrete and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Example 1: Preparation of porous ceramsite asphalt concrete with ultra-thin wearing layer of automobile exhaust gas degradation

[0040] 1. Containing nano-TiO 2 Porous ceramsite precast

[0041] (1) Nano-TiO 2 optimal dosage of

[0042] Nano TiO 2 Based on the mass percentage of the porous ceramsite, the five dosages of 3%, 4%, 5%, 6% and 8% were selected for nano-TiO 2 Orthogonal test of powder tail gas degradation efficiency. For the convenience of expression, the sample codes are given in Table 1.

[0043] Table 1 Nano TiO 2 Sample codes of different dosages

[0044] Sample code

ST 1

ST 2

ST 3

ST 4

ST 5

Nano-TiO 2 Dosage / %

3％

4％

5％

6％

8％

[0045] Table 2 Nano TiO 2 Tail gas degradation efficiency of different dosage samples

[0046]

[0047] Table 2 shows that: with nano-TiO 2 With the increase of the dosage, the exhaust gas degradation efficiency increases synchronously, but the incre...

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Abstract

The invention provides porous ceramsite and asphalt concrete. The porous ceramsite and asphalt concrete is prepared from components in percentage by mass as follows: 45%-55% of nano-TiO2 sintering-free porous ceramsite, 4.5%-5.5% of SBS modified asphalt and 39.5%-50.5% of supplementing mineral aggregate. The porous ceramsite and asphalt concrete can be applied to laying of automobile exhaust degradation type ultra-thin wearing courses of pavements and has economic benefit, environmental protection benefit and social benefit.

Description

(1) Technical field [0001] The invention belongs to the technical field of road surface materials in road engineering, and in particular relates to a porous ceramsite asphalt concrete and its application in laying an ultra-thin wearing layer degraded by automobile exhaust. (2) Background technology [0002] With the sharp increase in the number of cars in our country, a large amount of exhaust gas emitted by cars has seriously polluted the atmospheric environment, greatly increasing the frequency of "smog" weather. [0003] At present, in addition to the introduction of various exhaust emission control administrative regulations and oil product improvement measures, researchers have also proposed various exhaust gas-degradable new pavement materials and new technologies, including exhaust-degradable asphalt, asphalt mixture, cement, etc. Mortars, coatings and coils, etc. The tail gas degradation efficiency and scope of application of these new materials and new technologies...

Claims

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Application Information

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IPC IPC(8): C04B26/26C04B18/02C04B41/65E01C7/32
CPCC04B18/027C04B26/26C04B41/5041C04B41/65C04B2111/0075E01C7/32C04B14/28C04B14/14C04B18/16C04B18/0436C04B18/08C04B22/144C04B18/04C04B7/02C04B14/305C04B24/008C04B24/42C04B41/4853C04B41/4896C04B41/46C04B41/4944C04B41/4543C04B41/52
Inventor 刘萌成陶君军
Owner ZHEJIANG UNIV OF TECH
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