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通常把伸入基础内的框架柱纵向受力钢筋称为插筋,插筋在基础内应有效锚固,以保证其传力和结构安全。基础内的插筋数量、直径以及钢筋种类应与柱内纵向受力钢筋相同。→插筋的三个长度→框架柱纵向受力钢筋在基础内的锚固长度la(laE)、非连接区段长度及连接区段长度,三者构成了插筋总长度。
Generally, the longitudinal columns of reinforced concrete that are inserted into the foundation are referred to as reinforcement bars, and the reinforcement bars should be effectively anchored in the foundation so as to ensure the force transmission and structural safety. The number of reinforcement bars in the foundation, the diameter and the type of reinforcement shall be the same as the longitudinal reinforcement bars in the column. → Three lengths of the rebar → The length of the anchorage la (laE), the length of the non-connecting section and the length of the connecting section of the longitudinal reinforcement of the frame column in the foundation, which make up the total length of the reinforcing bar.