Table 8 Effects of SCs spacings and types
SCs/stud type | SCs’ spacings, mm | Capacity, Pu (kN) | In comparison with the first specimen with connectors | In comparison with a specimen without connectors | |||||
|---|---|---|---|---|---|---|---|---|---|
Increasing of capacity, + Pu% | Decrease in SC spacings, + S % | + Pu%/ + S% | Increasing of capacity, + Pu% | Decrease in SC spacings, + S % | + Pu%/ + S% | ||||
None | – | – | 949.77 | – | – | – | – | – | – |
SCǾ8 | SCǾ8@200 | 200 | 989.04 | – | – | – | 4.13 | – | – |
SCǾ8@150 | 150 | 987.63 | − 0.14 | − 25.00 | 0.006 | 3.99 | − 25.00 | − 0.159 | |
SCǾ8@100 | 100 | 985.38 | − 0.37 | − 50.00 | 0.007 | 3.75 | − 50.00 | − 0.075 | |
SCǾ8@50 | 50 | 991.13 | 0.21 | − 75.00 | − 0.003 | 4.35 | − 75.00 | − 0.058 | |
SCǾ10 | SCǾ10@200 | 200 | 1010.84 | – | – | – | 6.43 | – | – |
SCǾ10@150 | 150 | 1016.703 | 0.58 | − 25.00 | − 0.023 | 7.05 | − 25.00 | − 0.282 | |
SCǾ10@100 | 100 | 1009.73 | − 0.11 | − 50.00 | 0.002 | 6.31 | − 50.00 | − 0.126 | |
SCǾ10@50 | 50 | 1027.806 | 1.68 | − 75.00 | − 0.022 | 8.22 | − 75.00 | − 0.110 | |
studǾ10 | studǾ10@200 | 200 | 982.103 | – | – | – | 3.40 | – | – |
studǾ10@150 | 150 | 978.66 | − 0.35 | − 25.00 | 0.014 | 3.04 | − 25.00 | − 0.122 | |
studǾ10@100 | 100 | 977.584 | − 0.46 | − 50.00 | 0.009 | 2.93 | − 50.00 | − 0.059 | |
stud Ǿ10@50 | 50 | 999.34 | 1.76 | − 75.00 | − 0.023 | 5.22 | − 75.00 | − 0.070 | |