eprintid: 10068114
rev_number: 19
eprint_status: archive
userid: 608
dir: disk0/10/06/81/14
datestamp: 2019-02-22 12:33:43
lastmod: 2021-09-25 23:13:50
status_changed: 2019-02-22 12:33:43
type: article
metadata_visibility: show
creators_name: Lu, Z
creators_name: Huang, J
creators_name: Li, Y
creators_name: Dai, S
creators_name: Peng, Z
creators_name: Liu, X
creators_name: Zhang, M
title: Mechanical behaviour of grouted sleeve splice under uniaxial tensile loading
ispublished: pub
divisions: UCL
divisions: B04
divisions: C05
divisions: F44
keywords: Grouted sleeve; Confinement; Embedded length; Bond strength; Analytical model
note: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
abstract: This paper presents an experimental and analytical study on mechanical behaviour of two kinds of new low-cost grouted sleeves processed by seamless steel pipe, i.e., grouted sleeve with wedge and grouted sleeve with wedge and thread, under uniaxial tension. In total, twenty-two rebar splice specimens with various embedded lengths, spliced bar diameters and wedge lengths are prepared and tested. The test results indicate that the performance of both grouted splices meets the requirements of ACI318 and JGJ107. The required embedded length of rebar in the splice is found to be around 6–6.4 times the spliced bar diameter due to confinement effect. The tensile capacity of the splice increases with increasing diameter of the anchorage segment of the spliced bar, and length and slope of the wedge at both ends of the sleeve. Because of the good performance of wedges threads do not significantly improve the tensile capacity of the sleeve but improve the bond strength and bearing capacity in non-wedge segment of the sleeve. The tensile capacity of the specimen is slightly lower than that of steel bar and the reduction coefficient of bearing capacity is estimated. An analytical model is proposed to predict the tensile capacity of grouted sleeves considering the effects of confinement and reduction of tensile capacity of the splices, the predictions of which are in good agreement with experimental data.
date: 2019-05-01
date_type: published
publisher: Elsevier
official_url: https://doi.org/10.1016/j.engstruct.2019.02.033
oa_status: green
full_text_type: other
language: eng
primo: open
primo_central: open_green
verified: verified_manual
elements_id: 1629986
doi: 10.1016/j.engstruct.2019.02.033
lyricists_name: Zhang, Mingzhong
lyricists_id: MZHAA72
actors_name: Zhang, Mingzhong
actors_id: MZHAA72
actors_role: owner
full_text_status: public
publication: Engineering Structures
volume: 186
pagerange: 421-435
issn: 0141-0296
citation:        Lu, Z;    Huang, J;    Li, Y;    Dai, S;    Peng, Z;    Liu, X;    Zhang, M;      (2019)    Mechanical behaviour of grouted sleeve splice under uniaxial tensile loading.                   Engineering Structures , 186    pp. 421-435.    10.1016/j.engstruct.2019.02.033 <https://doi.org/10.1016/j.engstruct.2019.02.033>.       Green open access   
 
document_url: https://discovery.ucl.ac.uk/id/eprint/10068114/1/Final_Manuscript_Full.pdf