第 55 卷第 1 期2024 年 1 月中南大学学报(自然科学版)Journal of Central South University (Science and Technology)V ol.55 No.1Jan. 2024基于CEL 方法的瓷砖智能化铺贴质量数值分析吴楷1,张艳荣1,孔祥明2,张浩楠1,李大林1,雷霆1(1. 北京交通大学 土木建筑工程学院,北京,100044;2. 清华大学 土木工程系,北京,100084)摘要:基于耦合的欧拉−拉格朗日方法(CEL 方法)建立瓷砖−瓷砖胶−混凝土流固耦合施工模型,模拟研究机器人的布料方式、布料管数和荷载类型对瓷砖回弹量、接触面积、缺陷分布等铺贴质量指标的影响规律和机理。
研究结果表明:与垂直布料相比,水平布料瓷砖胶的塑性变形较小,胶条形态保持稳定且呈等间距分布。
布料管数增加对瓷砖回弹量与接触面积均无影响,但会使瓷砖−瓷砖胶的界面缺陷明显变窄且分布更加均匀。
相较于单一的直压荷载,耦合垂直振动荷载引起的不均匀塑性变形导致瓷砖回弹量和瓷砖−瓷砖胶接触面积同时降低;而耦合剪切振动荷载既有利于消除瓷砖回弹量又能显著增大瓷砖−瓷砖胶接触面积,有效减少界面缺陷。
关键词:CEL 方法;智能化施工;铺贴质量;数值分析中图分类号:TU741.3 文献标志码:A 开放科学(资源服务)标识码(OSID)文章编号:1672-7207(2024)01-0268-11Numerical analysis on the intelligent installation quality ofceramic tiles based on CEL methodWU Kai 1, ZHANG Yanrong 1, KONG Xiangming 2, ZHANG Haonan 1, LI Dalin 1, LEI Ting 1(1. School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;2. Department of Civil Engineering, Tsinghua University, Beijing 100084, China)Abstract: Fluid-structure coupling construction models of a tile-adhesive-concrete system were developed based on the coupled Eulerian-Lagrangian method(CEL method). The pattern of adhesive application, rows of adhesive application and type of tile leveling loads of a robot were simulated, and their influence law and mechanism on the indices of installation quality including tile resilience value, contact areas and defect distribution were investigated. The results show that the adhesive with horizontal application possesses smaller plastic deformation, keeps stable shape of strips and distributes at equal spacing, compared with the one with verticalapplication.收稿日期: 2023 −03 −13; 修回日期: 2023 −05 −13基金项目(Foundation item):国家自然科学基金资助项目(51978380);运城市科技计划项目(C22M00011) (Project(51978380)supported by the National Natural Science Foundation of China; Project(C22M00011) supported by the Science and Technology Program of Yuncheng)通信作者:张艳荣,博士,副教授,从事土木工程智能建造仿真模拟研究;E-mail :*****************.cnDOI: 10.11817/j.issn.1672-7207.2024.01.022引用格式: 吴楷, 张艳荣, 孔祥明, 等. 基于CEL 方法的瓷砖智能化铺贴质量数值分析[J]. 中南大学学报(自然科学版), 2024, 55(1): 268−278.Citation: WU Kai, ZHANG Yanrong, KONG Xiangming, et al. Numerical analysis on the intelligent installation quality of ceramic tiles based on CEL method[J]. Journal of Central South University(Science and Technology), 2024, 55(1): 268−278.第 1 期吴楷,等:基于CEL方法的瓷砖智能化铺贴质量数值分析Increasing rows of mortar extrusion has little effects on the tile resilience value and contact areas, but leads to an obviously narrower defect of tile-adhesive interface with a more uniform distribution. Compared with a single compression load, its coupling with vertical vibration causes inhomogeneous plastic deformation and hence decreases the resilience value of tile and the tile-adhesive contact area. In contrast, the coupling of shear vibration with compression is beneficial to the reduction of tile resilience value and remarkably increases the tile-adhesive contact area, and reduces the interfacial defect effectively.Key words: CEL method; intelligent construction; installation quality; numerical analysis在建筑工程中,瓷砖铺贴是最适合应用机器人技术的环节之一[1−4],相关研究受到国内外广泛关注[5−11]。