Material Design and Performance Study of Concrete Based on Particle Interference Theory

doi:10.3969/j.issn.1674-0696.2022.11.13

Journal of Chongqing Jiaotong University(Natural Science) ›› 2022, Vol. 41 ›› Issue (11): 99-104.DOI: 10.3969/j.issn.1674-0696.2022.11.13

• Transportation Infrastructure Engineering • Previous Articles Next Articles

Material Design and Performance Study of Concrete Based on Particle Interference Theory

WANG Ruiyan1,2, ZHANG Ying1, LONG Hao3, ZHANG Zhaochen1, WANG Ziyi1

（1. School of Materials Science and Engineering, Chongqing Jiaotong University, Chongqing 40007, China; 2. National and Local Joint Engineering Laboratory of Traffic Civil Engineering Materials, Chongqing Jiaotong University, Chongqing 400074, China; 3. Chongqing Construction Bridge Engineering Co., Ltd., Chongqing 400060, China)

Received:2021-02-02 Revised:2021-09-17 Published:2023-01-04

基于粒子干涉理论的混凝土材料设计与性能研究

王瑞燕1,2，张营1，龙昊3，张兆辰1，王子仪1

(1. 重庆交通大学材料科学与工程学院，重庆 400074； 2. 重庆交通大学交通土建工程材料国家地方联合工程试验室，重庆 400074； 3. 重庆建工桥梁工程有限责任公司，重庆 400060)

作者简介:王瑞燕（1967—），女，四川宜宾人，教授，硕士，主要从事高性能水泥基结构材料方面的研究。E-mail：tjhlaraw@163.com 通信作者：张营（1996—），男，贵州福泉人，硕士，主要从事固体废料资源化及利用方面的研究。E-mail：1312889830@qq.com
基金资助:
重庆市教育委员会科学技术研究计划青年项目（KJQN201900716）；重庆市自然科学基金博士后科学基金项目（cstc2019jcyj-bshX0095）

Abstract

Abstract: According to the design requirements of cast-in-place wet joint concrete material for the bridge deck of Chongqing Jialing River Shuitu Bridge, the aggregate composite gradation design was carried out by using particle interference theory. And on this basis, the influence of spreading coefficient on concrete performance was studied. The research indicates that: the aggregate can reach the maximum bulk density when the particle size ratio is 1:8 by using particle interference theory for aggregate composite gradation. The workability of concrete mixture is adjusted by changing the spreading coefficient and adjusting the volume of cementitious material paste. When the spreading coefficient is between 1.10 and 1.20, the workability of concrete mixing is good, and the fluidity of mixing increases with the increase of spreading coefficient. When the spreading coefficient is 1.18, the comprehensive performance of workability and strength is the best. According to the recommended dosage of calcium sulfoaluminate and calcium oxide expansion agents, the performance of concrete can meet the engineering requirements for shrinkage compensation.

Key words: highway engineering; wet joint; the particle interference theory; spreading coefficient; shrinkage compensation

摘要： 根据重庆嘉陵江水土大桥桥面板现浇湿接缝混凝土材料设计要求，采用粒子干涉理论进行集料合成级配设计，并在此基础上研究拨开系数对混凝土性能影响。研究表明：采用粒子干涉理论进行集料合成级配设计，当粒径比为1∶8时集料达到最大堆积密度；改变拨开系数调整胶凝材料浆体体积来调整混凝土拌和物工作性，当拨开系数介于1.10～1.20时，混凝土拌和物工作性良好，且拌和物流动度随着拨开系数的增大而增大；拨开系数为1.18时工作性与强度综合性能最好。按推荐掺量掺入硫铝酸钙型和氧化钙型膨胀剂，混凝土性能均能满足工程对补偿收缩的要求。

关键词: 道路工程；湿接缝；粒子干涉理论；拨开系数；补偿收缩

CLC Number:

TU528
U444

WANG Ruiyan1,2, ZHANG Ying1, LONG Hao3, ZHANG Zhaochen1, WANG Ziyi1. Material Design and Performance Study of Concrete Based on Particle Interference Theory[J]. Journal of Chongqing Jiaotong University(Natural Science), 2022, 41(11): 99-104.

王瑞燕1,2，张营1，龙昊3，张兆辰1，王子仪1. 基于粒子干涉理论的混凝土材料设计与性能研究[J]. 重庆交通大学学报（自然科学版）, 2022, 41(11): 99-104.

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Material Design and Performance Study of Concrete Based on Particle Interference Theory

基于粒子干涉理论的混凝土材料设计与性能研究

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