jual expanded metal surabaya - An Overview
Menentukan ukuran angkur baja ternyata tidak sulit, caranya dapat anda lakukan dengan pedoman seperti gambar berikut ini.Reverse Shear load (also named “alternate shear”): pressure perpendicular on the anchor's axis, optimistic and unfavorable based upon an arbitrary signal convention.The pressure-transfer system in the screw anchor is based on