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GB/T 50010 梁斜截面受剪承载力Beam Shear Design (§6.3)

仅配箍筋的矩形、T形、I形受弯构件 · 截面限制条件 · α_cv（一般 / 集中荷载）· 所需 A_sv/s · 最小配箍率 / Stirrups only: section limit, α_cv, required A_sv/s, minimum ratio

⚠ 测试版 —— 使用前必须核对 / BETA — verify before use

§6.3 公式已与 2024 年版条文三处独立转录及注册结构工程师教材例题（例 2.6-1、2.6-4，逐牛顿复现）核对；最小配箍率 0.24f_t/f_yv 与 f_yv ≤ 360 MPa 仅单一来源。
The §6.3 formulas were checked against three transcriptions of the 2024 text and two textbook examples (reproduced to the newton). The minimum stirrup ratio and the 360 MPa cap on f_yv rest on a single source. Not checked against the official GB text.

输入参数 / Inputs

混凝土 / Concrete

箍筋 / Stirrups

b (mm)

h₀ (mm)

h_w (mm, 空 = h₀)

V (kN)

荷载 / Load

a (mm, 集中荷载至支座)

肢数 / legs

直径 d (mm)

间距 s (mm, 校核)

结果 / Results

来源 / Sources

GB/T 50010-2010（2024年版）§6.3.1、§6.3.4、§6.3.7、§9.2.9、§4.2.3 —— 仅引用条文号。Defaults reproduce Example 2.6-1 of the 2014 registered-structural-engineer exam textbook (C20, 200 × h₀ 460 mm, V = 205.2 kN → Φ8@90; the book's C20 is no longer permitted for reinforced concrete since the 2024 revision, so the tool flags it). The 2002 edition used 1.25·f_yv in V_cs; worked examples from before 2011 are not compatible.