Continuous compaction control of subgrade bases using intelligent compaction measurement values with dynamic cone penetrometer and light weight deflectometer

IF 9.6 1区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Automation in Construction Pub Date : 2024-10-30 DOI:10.1016/j.autcon.2024.105835

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引用次数: 0

Abstract

To address the challenges associated with continuous compaction control (CCC), this paper investigates a CCC framework that incorporates dynamic cone penetration (DCP) and lightweight deflectometer (LWD). Field tests were conducted on 12 strip-shaped and two rectangular embankments. The compaction meter value (CMV) exhibited a linear correlation with the DCP and LWD test results (DPI and E_LWD). The optimal region of interest (ROI) sizes for the linear regression analysis between CMV and DPI and E_LWD were 2.0 m and 3.0 m, respectively. However, in areas where roller-related factors change or when the drum operating behavior is in the double-jump mode, the CMV exhibited significant low values; CCC measurements alone were not sufficient to evaluate the ground stiffness. A framework that incorporates DCP and LWD along with CCC was proposed, and it is believed that the CCC measurements with DCP and LWD more accurately represent the ground stiffness of the rectangular embankment.

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利用动态圆锥透度计和轻质变形计的智能压实测量值对路基路面进行连续压实控制

为了应对与连续压实控制（CCC）相关的挑战，本文研究了一种结合了动态锥入度（DCP）和轻质偏转仪（LWD）的 CCC 框架。在 12 个条形路堤和两个矩形路堤上进行了实地测试。压实度计值（CMV）与 DCP 和 LWD 测试结果（DPI 和 ELWD）呈线性相关。在 CMV 与 DPI 和 ELWD 的线性回归分析中，最佳感兴趣区 (ROI) 大小分别为 2.0 米和 3.0 米。然而，在滚筒相关因素发生变化的区域或滚筒运行行为处于双跳模式时，CMV 值明显偏低；仅靠 CCC 测量不足以评估地面刚度。我们提出了一个将 DCP 和 LWD 与 CCC 结合在一起的框架，相信结合 DCP 和 LWD 的 CCC 测量能更准确地反映矩形路堤的地面刚度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Automation in Construction 工程技术-工程：土木

CiteScore

19.20

自引率

16.50%

发文量

563

审稿时长

8.5 months

期刊介绍： Automation in Construction is an international journal that focuses on publishing original research papers related to the use of Information Technologies in various aspects of the construction industry. The journal covers topics such as design, engineering, construction technologies, and the maintenance and management of constructed facilities. The scope of Automation in Construction is extensive and covers all stages of the construction life cycle. This includes initial planning and design, construction of the facility, operation and maintenance, as well as the eventual dismantling and recycling of buildings and engineering structures.