Mathematical model for dowel bearing capacity considering the effect of concrete damage

Citation data:

Qinghua Daxue Xuebao/Journal of Tsinghua University, ISSN: 1000-0054, Vol: 56, Issue: 12, Page: 1255-1263

Publication Year:
2016

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DOI:
10.16511/j.cnki.qhdxxb.2016.25.035
Author(s):
Pengfei Li, Xuehui An, Shiqin He, Chen Chen
Tags:
Engineering, Computer Science, Mathematics
article description
The measured bearing capacities of dowels embedded in concrete were compared with existing formula for various conditions. A total of 11 specimens were tested to failure to investigate the effect of the bar diameter, concrete strength and concrete cover on the dowel bearing capacity. The effect of localized crushing of the concrete found from the experiment and numerical results was used to improve the formula accuracy. Specimens with different concrete covers were simulated to study the key parameters affecters the failure mechanisms. Comparisons of the analytical results with experimental data showed that the model gives good predictions for both failure mechanisms.

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