Plastic i beam standard length made

Authors: Yasuhisa Okumoto · Yu Takeda · Masaki Mano · Tetsuo OkadaAffiliation: Kindai University · Ihi CorporationAbout: Section modulus · Neutral axis · Forced migrationHistory of · Authors: Yasuhisa Okumoto · Yu Takeda · Masaki Mano · Tetsuo OkadaAffiliation: Kindai University · Ihi CorporationAbout: Section modulus · Neutral axis · Forced migrationAuthors: Chukia Wang · Charles G SalmonAbout: Torsion · Beam · Prestressed concrete