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Study and Implementation of Health Monitoring Process for Half-through and Through Arch Bridges
CHEN Huai;HE Rong;HE Wei;HU Feng
2011, 31 (6):
172-175.
DOI: 10.3969/j.issn.1006-1355-2011.06.039
According to the structure characteristics of half-through and through arch bridges, the bridge health monitoring process and the concept of bridge health records are proposed. And the health indicators and characteristics of the bridge health records are analyzed. When monitoring the bridge health, the standard model and health records should be established firstly. Then, the inspection object and observation index can be determined, and the in-situ testing according to the monitoring process is carried out. Finally, comparing the measured data of each index with its reference value in the health records, the working condition of the bridge can be analyzed. Taking Liujiang Bridge on Beijing-Hong Kong-Macao expressway as an example, the implementation of health assessment is illustrated. The monitoring results show that the 4th span of the bridge was in good health at that time.
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