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Preparation method of double-modified zeolite cushion layer water-permeable asphalt pavement cushion layer

A technology of modified zeolite and permeable asphalt, which is applied in the direction of crystalline aluminosilicate zeolite, octahedral crystalline aluminosilicate zeolite, gutter/curbstone, etc., which can solve the problems affecting road performance and low purification efficiency, and achieve Improve the effect of runoff and reduce the effect of impact

Inactive Publication Date: 2019-05-10
NANJING FORESTRY UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the current permeable asphalt pavement purifies pavement runoff mainly exists problems such as stress-bearing surface layer and base layer modification that affect road performance, water permeability, durability, and low purification efficiency. Therefore, the present invention aims at these problems and improves the asphalt pavement cushion The preparation of permeable asphalt pavement can improve the effect of purifying pavement runoff and reduce the impact on the road performance of the surface layer and base layer

Method used

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Embodiment Construction

[0023] The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] In an embodiment of the present invention, a method for preparing a double-modified zeolite cushion permeable pavement cushion comprises the following steps:

[0025] (1), the natural zeolite that particle size is 3~5mm is washed 3 times with deionized water, removes dust and surface impurity, and is standby at 105 ℃ for 6 hours, and described natural zeolite can adopt natural analcime, calcium One or more combinations of zeolite, laurelite, sodium zeolite, mordenite, heulandite, clinoptilolite, chabazite and faujasite;

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Abstract

The invention discloses a preparation method of a double-modified zeolite cushion layer water-permeable asphalt pavement cushion layer. Natural zeolite is adopted as a base material, ferrozirconium modified zeolite is prepared after twice modification, and ferrozirconium modified zeolite is adopted as the water-permeable asphalt pavement cushion layer, so that the pavement runoff purification effect of a water-permeable asphalt pavement is improved, and the influence on pavement performance of a surface layer and a base layer is reduced.

Description

technical field [0001] The invention relates to road traffic construction material technology, in particular to a method for preparing a double-modified zeolite cushion permeable asphalt pavement cushion. Background technique [0002] Permeable asphalt pavement, also known as "drainage and noise reduction pavement", is a new type of environmentally friendly pavement structure. The raw materials are mixed with specially developed modified asphalt, slaked lime, and fiber, which can effectively reduce the price caused by friction between vehicles traveling at high speed and the road surface. There is no sound of blasting, and it has a complete drainage system, which makes the phenomenon of rainwater infiltration and road surface water reflection become history, and the phenomenon of motor vehicles skidding in rainy days will also be greatly reduced. [0003] The concept of sponge city was put forward at the end of 2013, which requires the city to be like a sponge and have good ...

Claims

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Application Information

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IPC IPC(8): E01C11/22C01B39/02C01B39/20
Inventor 骆辉荆肇乾管凛
Owner NANJING FORESTRY UNIV