|本期目录/Table of Contents|

[1]杜荣祥,钟登华,关涛,等.考虑仓面实时监控厚度影响的堆石坝仓面施工仿真[J].天津大学学报(自然科学版),2018,(04):348-356.[doi:10.11784/tdxbz201611056]
 Du Rongxiang,Zhong Denghua,Guan Tao,et al.Simulation Method of Rockfill Dam Based on Influence of Storehouse Thickness of Digital Monitoring[J].Journal of Tianjin University,2018,(04):348-356.[doi:10.11784/tdxbz201611056]
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考虑仓面实时监控厚度影响的堆石坝仓面施工仿真()
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《天津大学学报(自然科学版)》[ISSN:0493-2137/CN:12-1127/N]

卷:
期数:
2018年04
页码:
348-356
栏目:
论文
出版日期:
2018-04-15

文章信息/Info

Title:
Simulation Method of Rockfill Dam Based on Influence of Storehouse Thickness of Digital Monitoring
文章编号:
0493-2137(2018)04-0348-09
作者:
杜荣祥 钟登华 关涛 胡炜 王乾伟
天津大学水利工程仿真与安全国家重点实验室,天津 300072
Author(s):
Du Rongxiang Zhong Denghua Guan Tao Hu Wei Wang Qianwei
State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China
关键词:
心墙堆石坝 施工仿真 实时监控 碾压参数 仓面厚度
Keywords:
core rockfill dam construction simulation digital monitoring rolling parameters storehouse thickness
分类号:
TV512
DOI:
10.11784/tdxbz201611056
文献标志码:
A
摘要:
传统大坝施工仿真将仓面碾压施工简化为单一的、确定的过程, 主要通过调整机械配置以达到较为理想的施工进度.然而实际施工过程受到多种因素影响, 例如碾压机的行驶状态和铺料、压实厚度等参数, 均难以用设计阶段的施工参数进行仿真过程描述.基于此, 本文提出了考虑仓面实时监控厚度影响的堆石坝仓面施工仿真方法.首先, 对仓面实时监控获取的碾压机施工参数和仓面铺料厚度进行分析, 获得其参数分布规律, 作为仿真施工参数, 并结合离散时间仿真方法和改进的Monte Carlo随机抽样方法建立了心墙堆石坝仓面施工仿真模型; 其次, 建立了碾压参数与压实厚度之间的数学关系, 并根据仿真中仓面模拟的铺料厚度和碾压情况得出仿真中仓面的压实厚度; 最后, 建立基于仓面厚度影响的堆石坝仓面施工仿真的数学模型, 并以中国西南某在建心墙堆石坝为例, 进行施工仿真.仿真结果表明, 本方法与实际施工进度偏差为3.59% , 与传统施工仿真偏差为7.90% , 二者相比, 本方法能够更加真实地反映现场实际施工进度, 通过对比分析, 不考虑仓面厚度会对施工进度造成4.90% 的影响, 因此仓面厚度对施工进度造成的影响不可忽视.本文提出的优化仿真模型能够为现场施工进度分析、工程决策和施工管理提供技术支持.
Abstract:
In traditional construction simulation of rockfill dam,the storehouse construction was simplified as a single and predetermined process. Mechanical allocation was adjusted to reach the desired schedule. But the construction process was influenced by various factors,such as rolling state,spreading elevation and rolling elevation,which is difficult to be simulated by the construction parameters of the design phase. In view of such condition,a simulation method of rockfill dam is proposed in this article based on the parameters of the digital monitoring method. First,the rolling parameters and storehouse thickness based on the digital monitoring model were analyzed,the regularities of distributions were achieved,which served as parameters of the simulation model. Secondly,the relationship between the rolling passes and the rolling thickness was established,based on which the rolling thickness of the storehouse was gained after the simulation. Finally,taking a core rockfill dam under construction in southwest China as a case study,the simulation method of rockfill dam based on the influence of storehouse thickness was built. The result shown that compared with the real process,the progress deviation calculated by the simulation proposed by this article was 3.59% ,which is less than the result of the traditional construction simulation model(7.90% ). The two methods being compared,the simulation model proposed by this article can reflect the real process more accurately. What’s more,regardless of the influence of storehouse thickness,the progress deviation was 4.90% more than considering the influence of storehouse thickness,which illustrated the importance of storehouse thickness on construction progress. By using the optimization model proposed in this article,technical support for construction progress analysis and construction management can be gained.

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备注/Memo

备注/Memo:
收稿日期: 2016-11-25; 修回日期: 2017-12-16.
作者简介: 杜荣祥(1990—), 男, 博士研究生, dorx@163.com.
通讯作者: 关涛, guantao0831@163.com.
基金项目: 国家自然科学基金资助项目(51439005, 51339003).
Supported by the National Natural Science Foundation of China(No.,51439005 and No.,51339003).
更新日期/Last Update: 2018-04-10