|Table of Contents|

Gravel scheme optimization of polyurethane paving system under entropy right-TOPSIS model in Oujiang Beikou Bridge(PDF)

长安大学学报（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2023年4期
Page:
1-11
Research Field:
道路工程
Publishing date:

Info

Title:
Gravel scheme optimization of polyurethane paving system under entropy right-TOPSIS model in Oujiang Beikou Bridge
Author(s):
QIAN Zhen-dong1;  XIE Yu-xin1;  NAN Hang2;  WANG Han3;  XUE Yong-chao1; MIN Yi-tong1;  TANG Wen-jie1
(1. Intelligent Transportation System Research Center, Southeast University, Nanjing 211189, Jiangsu, China; 2. Oujiangkou Bridge Co. Ltd., Wenzhou 325000, Zhejiang, China; 3. Ningbo Lubao Technology Industrial Co. Ltd., Ningbo 315800, Zhejiang, China)
Keywords:
road engineering;  polyurethane paving system;  entropy right method;  TOPSIS optimization method;  gravel particle;  gravel sprinkle
PACS:
U411
DOI:
10.19721/j.cnki.1671-8879.2023.04.001
Abstract:
In order to ensure that the steel deck paving of the lower bridge of the Oujiang Beikou Bridge has good service performance, relied on the paving project of the Oujiang Beikou Bridge and the orthogonal test were designed with gravel sprinkler and gravel particle size as variables. The pulling test, high-temperature rutting test and low-temperature bending were applied to test the combination specimen with multiple gravel scheme. The variation trends between the performance indexes, the amount of crushed stone spreading and the particle size of crushed stone were studied, and the model data set was established. Comprehensive entropy power method and TOPSIS optimization method, the entropy right-TOPSIS gravel optimization model was established which contained inter-layer bonding performance, high temperature stability and low temperature resistance as the indexs. The data list was imported to the model for calculation. The results show that there are different trends in the influence of crushed stone particle size and spreading amount on the three properties. When the gravel sprinkle is 6.5 kg/m2 and the gravel particle size is 2 to 3 mm, the polyurethane paving system has good adhesion performance, high-temperature stability and low-temperature crack resistance. Apply the scheme to actual engineering projects, it is proved that the paving layer formed according to this crushed stone scheme has excellent service effect, which also proves that the superiority of the gravel scheme and the actual applicability of the strong-TOPSIS gravel optimization model. It provides a theoretical basis for the application and development of polyurethane paving system and it also provides a solution for crush optimization of other paving system.13 tabs, 8 figs, 27 refs.

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Last Update: 2023-08-20