• Complex
  • Title
  • Keyword
  • Abstract
  • Scholars
  • Journal
  • ISSN
  • Conference
搜索

Author:

Wang, Zigeng (Wang, Zigeng.) | Dai, Qingli (Dai, Qingli.) | Wang, Ronghua (Wang, Ronghua.) | Yang, Xu (Yang, Xu.)

Indexed by:

Scopus SCIE

Abstract:

This paper presents an integrated computational-experimental approach for evaluating recovered fracture strength after light-healing of graphite-modified asphalt mixture beams. The cyclic fracture and light-healing tests were conducted to measure the recovered fracture strength of the asphalt mixture samples as reported in another paper. A two-dimensional (2D) multiphase bilinear cohesive zone model (CZM) was employed to predict the original and recovered fracture strength of the asphalt mixture samples. The digital image correlation (DIC) method was used to analyze the crack displacement variation of the samples during the fracture and light-healing processes. The relative strain ratio from DIC, originally measured fracture energy, and peak separation stress were combined to calibrate the recovered fracture energy of beams after light-healing processes. Two input parameters, calibrated fracture energy and peak separation stress, were used to simulate the sample fracture behavior and predict the recovered fracture strength. The relative difference of the fracture strength between the simulation and experiments was calculated to validate the 2D bilinear CZM simulation. The results indicated that the CZM with calibrated fracture energy and measured peak stress is capable of predicting the recovered fracture strength after fracture and light-healing cycles. (C) 2016 American Society of Civil Engineers.

Keyword:

Ligh-healing Bilinear cohesive zone model (CZM) Fracture energy Healing performance evaluation Peak separation stress Digital image correlation Relative strain ratio

Author Community:

  • [ 1 ] [Wang, Zigeng]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Ronghua]Beijing Univ Technol, Coll Architecture & Civil Engn, 100 Pingleyuan, Beijing 100124, Peoples R China
  • [ 3 ] [Dai, Qingli]Michigan Technol Univ, Dept Civil & Environm Engn, 1400 Townsend Dr, Houghton, MI 49931 USA
  • [ 4 ] [Yang, Xu]Michigan Technol Univ, Dept Civil & Environm Engn, 1400 Townsend Dr, Houghton, MI 49931 USA

Reprint Author's Address:

  • [Dai, Qingli]Michigan Technol Univ, Dept Civil & Environm Engn, 1400 Townsend Dr, Houghton, MI 49931 USA

Show more details

Related Keywords:

Source :

JOURNAL OF MATERIALS IN CIVIL ENGINEERING

ISSN: 0899-1561

Year: 2017

Issue: 5

Volume: 29

3 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:165

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

Online/Total:536/10563169
Address:BJUT Library(100 Pingleyuan,Chaoyang District,Beijing 100124, China Post Code:100124) Contact Us:010-67392185
Copyright:BJUT Library Technical Support:Beijing Aegean Software Co., Ltd.