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第一节 抗震与非抗震框架梁箍筋构造 (一)箍筋加密区的长度 抗震框架梁箍筋加密区的长度分两个档次,一级抗震等级框架梁箍筋加密区长度为≥2h_b,且≥500mm,二至四级框架梁箍筋加密区长度为≥1.5h_b,且≥500mm。对于非抗震框架梁不进行箍筋加密;弧形梁计算箍筋加密区范围(以及度量箍筋间距)时,均沿梁外缘线进行度量,见图1、图2。 (二)梁与方柱和与圆柱相交时箍筋的起始位置 梁与方柱斜交时,箍筋的起始位置,应距离梁与柱身的两侧交线中较远的一条50mm,与圆柱偏交时亦如此(96G101仅提供了与圆柱正交的详图,与圆柱偏交的详图将在升版时补上),见图3。
Section 1 Seismic and non-seismic frame beam stirrup structure (I) Length of stirrup reinforced area The length of the encryption area of the seismic frame beam stirrup is divided into two grades. The length of the encryption area of the first grade seismic frame beam stirrup is ≥ 2h_b, And ≥500mm, the length of the encryption area of the second to fourth frame beam stirrups is ≥1.5h_b and ≥500mm. For the non-seismic frame beams, the stirrups are not encrypted; when the curved beams are used to calculate the extent of the engraved area (and the spacing between the stirrups), they are measured along the outer edge of the beam. See Figure 1 and Figure 2. (ii) Starting position of stirrup between beam and square column and intersecting with cylinder When the beam is skewed with square column, the initial position of stirrup should be 50mm far from the intersection between beam and column. This is also true when it is offset from the cylinder (96G101 only provides detailed drawings orthogonal to the cylinder, and the details of the offset with the cylinder will be added during the upgrade). See Figure 3.