Dedicated joint tool (phi 7.0-YS-N75) must be used.
Proof Strength Test
Tensile strength 28.1kN short-term standard junction, N value less than 5.3
De to yuraru Court
It corresponds to the (Ri) No. 2 Table 1 three Section 1460 Notification No. Ministry of Land, Infrastructure and Transport, the first No. 10A3533 (Foundation) Testing Center for Construction Materials accepted