抄録
A new type of partially encased composite I-girder with corrugated steel web has been proposed to improve the structural performance of continuous girders under hogging moment. The shear behavior of such partially encased composite I-girders under anti-symmetric loading has been experimentally and analytically investigated. Experimental results show that the partially encased composite girders has superior shear strength compared to steel I-girders, since shear bucking of steel web is restricted by concrete encasement. The shear stiffness of the composite section is based on the total summation of corrugated web and concrete encasement with average thickness before cracking, and the ratio of shear resistance shared by the steel web and the concrete encasement depends on their shear stiffness. In addition, predicted shear strength of the partially encased composite girder with corrugated web is proposed according to the experimental failure mode and strain distribution. The analytical shear stiffness and shear resistance ratio at the elastic stage are verified by experimental results. And the calculated shear strength for steel and composite girders agree well with the experimental results. The comparison shows that the proposed analytical methods can be applied in predicting elastic shear stiffness and design shear strength for such partially encased composite girders with corrugated web.
| 元の言語 | English |
|---|---|
| ページ（範囲） | 193-209 |
| ページ数 | 17 |
| ジャーナル | Journal of Constructional Steel Research |
| 巻 | 77 |
| DOI | |
| 出版物ステータス | Published - 2012 10 |
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ASJC Scopus subject areas
- Building and Construction
- Civil and Structural Engineering
- Mechanics of Materials
- Metals and Alloys
これを引用
Shear behavior of partially encased composite I-girder with corrugated steel web : Experimental study. / He, Jun; Liu, Yuqing; Chen, Airong; Yoda, Teruhiko.
：: Journal of Constructional Steel Research, 巻 77, 10.2012, p. 193-209.研究成果: Article
}
TY - JOUR
T1 - Shear behavior of partially encased composite I-girder with corrugated steel web
T2 - Experimental study
AU - He, Jun
AU - Liu, Yuqing
AU - Chen, Airong
AU - Yoda, Teruhiko
PY - 2012/10
Y1 - 2012/10
N2 - A new type of partially encased composite I-girder with corrugated steel web has been proposed to improve the structural performance of continuous girders under hogging moment. The shear behavior of such partially encased composite I-girders under anti-symmetric loading has been experimentally and analytically investigated. Experimental results show that the partially encased composite girders has superior shear strength compared to steel I-girders, since shear bucking of steel web is restricted by concrete encasement. The shear stiffness of the composite section is based on the total summation of corrugated web and concrete encasement with average thickness before cracking, and the ratio of shear resistance shared by the steel web and the concrete encasement depends on their shear stiffness. In addition, predicted shear strength of the partially encased composite girder with corrugated web is proposed according to the experimental failure mode and strain distribution. The analytical shear stiffness and shear resistance ratio at the elastic stage are verified by experimental results. And the calculated shear strength for steel and composite girders agree well with the experimental results. The comparison shows that the proposed analytical methods can be applied in predicting elastic shear stiffness and design shear strength for such partially encased composite girders with corrugated web.
AB - A new type of partially encased composite I-girder with corrugated steel web has been proposed to improve the structural performance of continuous girders under hogging moment. The shear behavior of such partially encased composite I-girders under anti-symmetric loading has been experimentally and analytically investigated. Experimental results show that the partially encased composite girders has superior shear strength compared to steel I-girders, since shear bucking of steel web is restricted by concrete encasement. The shear stiffness of the composite section is based on the total summation of corrugated web and concrete encasement with average thickness before cracking, and the ratio of shear resistance shared by the steel web and the concrete encasement depends on their shear stiffness. In addition, predicted shear strength of the partially encased composite girder with corrugated web is proposed according to the experimental failure mode and strain distribution. The analytical shear stiffness and shear resistance ratio at the elastic stage are verified by experimental results. And the calculated shear strength for steel and composite girders agree well with the experimental results. The comparison shows that the proposed analytical methods can be applied in predicting elastic shear stiffness and design shear strength for such partially encased composite girders with corrugated web.
KW - Composite girder
KW - Concrete encasement
KW - Corrugated steel web
KW - Shear stiffness
KW - Shear strength
UR - http://www.scopus.com/inward/record.url?scp=84862991887&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84862991887&partnerID=8YFLogxK
U2 - 10.1016/j.jcsr.2012.05.005
DO - 10.1016/j.jcsr.2012.05.005
M3 - Article
AN - SCOPUS:84862991887
VL - 77
SP - 193
EP - 209
JO - Journal of Constructional Steel Research
JF - Journal of Constructional Steel Research
SN - 0143-974X
ER -