Experimental Study of Direct Shear Performance of Precast Segmental Bridge Piers with Splice Sleeve

被引：0

作者：

Wang Z. ^{[1
]}

Chen L. ^{[1
]}

Lü H. ^{[2
]}

Zhang T. ^{[2
]}

机构：

[1] College of Civil Engineering, Tongji University, Shanghai

[2] Shanghai Urban Construction Design and Research Institute（Group）Co.，Ltd., Shanghai

来源：

Tongji Daxue Xuebao/Journal of Tongji University | 2023年 / 51卷 / 08期

关键词：

direct shear performance; direct shear test; grouted splice sleeve; precast segmental bridge piers;

D O I：

10.11908/j.issn.0253-374x.22052

中图分类号：

学科分类号：

摘要：

In order to study the influencing factors and direct shear performance of precast segmental bridge piers with splice sleeve，direct shear tests were conducted on precast segmental bridge piers with additional shear keys and different splice sleeve position. Then， the damage development and failure mode of models were analyzed. Finally， the shear mechanism of precast segmental bridge piers was discussed and the test results was compared with the calculated results of the existing shear formula. The results show that there are two failure modes in the direct shear test of low piers，namely，the failure mainly due to the development of diagonal cracks and the failure mainly due to the slippage of the splicing joint；the setting of the sleeve at the bottom of the pier will change the failure mode of the pier. As a result，the failure of the specimen is dominated by the slip of the splicing joint；the shear formula in GB50010―2010 can reasonably predict the shear strength of the precast segmental bridge piers with splice sleeve. © 2023 Science Press. All rights reserved.

引用

页码：1231 / 1239and1316

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