Structural Performance of Grouted Sleeve Splice Connectors with Grooves Under Axial Tensile Load for Precast Concrete Structure

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This study explains the performance of the proposed grouted sleeve connector with internal Grooves within the sleeve beneath incremental tensile load until failure. In this study, a series of twelve grouted sleeve splice with grooves (GSSG) were tested experimentally beneath incremental tensile load until failure to determine their feasibilities. The connector utilized mild steel pipe as sleeve where the sleeve comprises internal grooves with differing height and width .The mild steel pipe and the grooves are utilized to confine and strengthen the grout and the two dis continued bars joined end-to-end configuration within the sleeve. The specimens are studied and evaluated based on two major aspects; (a) ultimate tensile capacities, whether it is higher than 125% of the specified yield strength, (b) failure modes, The test shows up that, there are two modes of failure which were bar to grout failure and bar broken outside the sleeve. Sex examples out of twelve shows up palatable comes about since it failed due to bar broken outside the sleeve and fulfill palatable ultimate tensile capacity. The stiffness and the ductility of the connectors additionally fulfill. It is found that the grooves on the sleeves are essential to interlock with the confined grout, resisting it from slipping out of the sleeve. The test appears that the performance of the grouted sleeve connector with grooves was represented by grout-bar bond, anchorage length and control action given by the sleeve and the grooves . Possibility consider for tried grouted sleeves detailing their adequacy in agreement with the code arrangements of ACI 318-14 and ECP 203-2018 is displayed. Besides, design equations capturing the parameters influencing the bond strength, the confining pressure, grooves , and the specified embedment length are determined.




Soliman, A. M., Ibrahim, H. H., & Hodhod, H. A. (2020). Structural Performance of Grouted Sleeve Splice Connectors with Grooves Under Axial Tensile Load for Precast Concrete Structure. International Journal of Engineering and Advanced Technology, 9(4), 564–571.

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