Effect of Epoxy Resin Content on the Performance of Luminous Resin Permeable Concrete

doi:10.19894/j.issn.1000-0518.210413

Chinese Journal of Applied Chemistry ›› 2022, Vol. 39 ›› Issue (11): 1665-1671.DOI: 10.19894/j.issn.1000-0518.210413

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Effect of Epoxy Resin Content on the Performance of Luminous Resin Permeable Concrete

Yong-Xin TANG(), Li-Wu NIE

Liaoning Jianzhu Vocational College，Liaoning 111000，China

Received:2021-08-17 Accepted:2021-12-11 Published:2022-11-01 Online:2022-11-09
Contact: Yong-Xin TANG
About author:lijing2178@163.com
Supported by:
the Natural Science Foundation of Liaoning Province(201202096)

Abstract

Abstract:

Epoxy resin E51 is selected as the modified filler to prepare a series of luminous resin water-permeable concretes with different resin mass fraction （0%， 2%， 4%， 6%）. The introduction of epoxy resin improves the compressive strength and flexural strength of luminous resin permeable concrete， and with the increase of the resin content， it shows a trend of increasing followed by decreasing. When the resin content is 4%， the compressive strength and flexural strength both reach the maximum values of 21.7 MPa and 6.11 MPa. The water permeability coefficient of luminescent resin permeable concrete shows a trend of decreasing followed by increasing with the increase of epoxy resin content. The lowest water permeability coefficient is 5.1 mm/s at 4%. The microscopic morphology analysis reveals that the cross-section of the unmodified epoxy resin permeable concrete has obvious cracks and pores， and the overall structure is relatively loose. After the introduction of epoxy resin， the number of cracks and pores is significantly reduced， and the overall integration is tighter. The luminescence time of the luminescent resin permeable concrete has little relationship with the resin content， and the luminescent permeable concrete can maintain a more efficient luminescence time of more than 5 h under 1 h of light.

Key words: Epoxy resin, Permeable concrete, Long afterglow material, Water permeability, Mechanical properties, Microscopic morphology, Luminous properties

CLC Number:

O633.1

Yong-Xin TANG, Li-Wu NIE. Effect of Epoxy Resin Content on the Performance of Luminous Resin Permeable Concrete[J]. Chinese Journal of Applied Chemistry, 2022, 39(11): 1665-1671.

Figures/Tables 7

Table 1 Concrete composition ratio

编号 Serial number	环氧树脂 w（epoxy resin）/ %	水泥 w（cement）/ %	粗骨料 w（coarse aggregate）/ %	粉煤灰 w（fly ash）/ %	发光粉 w（luminous powder）/ %	粒径 Particle size/ mm	水与水泥的质量比 Water?cement ratio
1	0	24.23	71.9	3.35	0.52	5~10	0.28
2	2	23.76	70.37	3.35	0.52	5~10	0.28
3	4	23.29	70.88	3.35	0.52	5~10	0.28
4	6	22.84	67.29	3.35	0.52	5~10	0.28

Fig.1 Test diagram of mechanical properties of the luminescent resin permeable concrete

Fig.2 Permeability coefficient of the luminousresin permeable concrete

Fig.3 SEM images of cross-sections of the luminous resin permeable concrete with different resin mass fraction of 0% （A）， 2% （B）， 4% （C） and 6% （D）

Fig.4 Luminous time test of the luminous resin permeable concrete

Table 2 Performance test of the luminous resin permeable concrete

编号 Serial number	抗压强度 Compressive strength/MPa	抗折强度 Flexural strength/MPa	透水系数 Permeability coefficient/（mm·s^-1）	发光时间 Luminous time/h
1	20.6	5.62	6.1	5.8
2	21.2	5.93	5.5	6.1
3	21.7	6.11	5.1	5.9
4	21.3	6.07	5.3	5.7

Fig.5 Luminous effect test of the luminous resin permeable concrete at 1 （A）， 3（B） and 5 h（C）， respectively

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Effect of Epoxy Resin Content on the Performance of Luminous Resin Permeable Concrete

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