138 lines
5.7 KiB
TypeScript
138 lines
5.7 KiB
TypeScript
import { describe, expect, it } from 'vitest';
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import { assemblyBars, bottomBars, crossBars, grid, layers, legB2, shearB9, sideBars } from '../src/core/rebar/footing';
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// P1 footing: L 10400 × W 8150 × H 2000.
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const L = 10400;
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const W = 8150;
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const H = 2000;
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describe('확대기초 철근 (확대기초철근 (1).md, plan C5)', () => {
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it('grid across W: n 61, G 7625, e 162.5, 62 positions (§3.3)', () => {
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const g = grid(W);
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expect(g.n).toBe(61);
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expect(g.G).toBe(7625);
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expect(g.e).toBeCloseTo(162.5, 6);
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expect(g.positions).toBe(62);
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});
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it('배근도 재현 grid: W 7800 → n 58, e 175', () => {
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const g = grid(7800);
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expect(g.n).toBe(58);
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expect(g.e).toBeCloseTo(175, 6);
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});
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it('layer heights: B5 1900, B1 1873, B2·B4 150, B6·B8 177, B3 250, B7 277', () => {
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const z = layers(H);
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expect(z.B5).toBe(1900);
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expect(z.B1).toBeCloseTo(1873, 6);
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expect(z.B24).toBe(150);
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expect(z.B68).toBeCloseTo(177, 6);
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expect(z.B3).toBe(250);
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expect(z.B7).toBeCloseTo(277, 6);
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});
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// 방향 교환 (승인 2026-10-26): B1–B4 run along W (grid L, 79 steps → 80 positions); B5–B8 run along L (grid W).
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it('B2 leg 1723, B2 length 11396 (W − 2c + 2 × 1723), count 40', () => {
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expect(legB2(H)).toBeCloseTo(1723, 6);
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const b2 = bottomBars(L, W, H).find((b) => b.name === 'B2')!;
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expect(b2.length).toBeCloseTo(11396, 0);
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expect(b2.count).toBe(40);
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});
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it('B1–B4 counts 40 / 40 / 40 / 40 (grid along L) and B4 length 7950 (W − 2c)', () => {
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const bars = bottomBars(L, W, H);
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expect(bars.map((b) => b.count)).toEqual([40, 40, 40, 40]);
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expect(bars.find((b) => b.name === 'B4')!.length).toBeCloseTo(7950, 6);
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});
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it('B5–B8 counts 31 each (grid along W: n 61), B8 length 10200 (L − 2c), B6 length 13646', () => {
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const bars = crossBars(L, W, H);
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expect(bars.map((b) => b.count)).toEqual([31, 31, 31, 31]);
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expect(bars.find((b) => b.name === 'B8')!.length).toBeCloseTo(10200, 6);
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expect(bars.find((b) => b.name === 'B6')!.length).toBeCloseTo(13646, 0);
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});
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it('B10-1 16 bars ≈ 10748 (lowest level removed), B10-2 16 bars ≈ 8494', () => {
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const [b101, b102] = sideBars(L, W, H);
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expect(b101.count).toBe(16);
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expect(b101.length).toBeCloseTo(10748, 0);
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expect(b102.count).toBe(16);
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expect(b102.length).toBeCloseTo(8494, 0);
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});
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it('B10 levels from the height: H 2000 → m 8 (9 levels), H 2200 → m 9 (10 levels), as in the document', () => {
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expect(b10Levels(2000)).toBe(9);
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expect(b10Levels(2200)).toBe(10);
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expect(assemblyJs(2000)).toEqual([2, 4, 6]);
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expect(assemblyJs(2200)).toEqual([2, 4, 6, 8]);
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});
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// k = 8 default (승인 2026-10-26): every 8 grid steps (1000 mm). The doc's 4s (k = 4) gives 60 / 47.
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it('B11 30 bars (10 / 10 / 10) ≈ 8359, B12 24 bars (8 / 8 / 8) ≈ 10613 at k = 8', () => {
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const [b11, b12] = assemblyBars(L, W, H);
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expect(b11.count).toBe(30);
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expect(b11.length).toBeCloseTo(8359, 0);
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expect(b12.count).toBe(24);
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expect(b12.length).toBeCloseTo(10612.5, 1); // the document prints ≈ 10613
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});
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it('B9 shear: 16 rows, 20 per row on the grid, 320 in all, length ≈ 2128 (l_v 1750 + 2 × 189)', () => {
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const b9 = shearB9(L, W, H, []);
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expect(b9.rows).toBe(16);
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expect(b9.perRow.every((c) => c === 20)).toBe(true);
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expect(b9.count).toBe(320);
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expect(b9.length).toBeCloseTo(2128, 0);
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});
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it('B9 column zone: bars whose centre is within D/2 + d/2 of a column axis are left out (P1: 14 bars)', () => {
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const b9 = shearB9(L, W, H, [0], 2000);
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expect(b9.count).toBe(306);
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for (const b of b9.bars) expect(Math.hypot(b.x, b.n)).toBeGreaterThan(1000 + 7.95);
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});
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});
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import { assemblyHeights, assemblyJs, b10Levels, legOffsets } from '../src/core/rebar/footing';
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import { DEFAULT_FOOTING_REBAR } from '../src/core/rebar/footing-settings';
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describe('확대기초 배근도 재현 (확대기초철근 (1).md §13)', () => {
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it('leg offsets: B1 +25.4, B3 +22.25, B5 +28.6, B7 +23.85', () => {
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const o = legOffsets();
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expect(o.B1).toBeCloseTo(25.4, 6);
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expect(o.B3).toBeCloseTo(22.25, 6);
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expect(o.B5).toBeCloseTo(28.6, 6);
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expect(o.B7).toBeCloseTo(23.85, 6);
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});
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it('B11 at 550 / 950 / 1350 and B12 at 569.1 / 969.1 / 1369.1', () => {
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const h = assemblyHeights(H);
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expect(h.B11).toEqual([550, 950, 1350]);
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expect(h.B12.map((z) => Math.round(z * 10) / 10)).toEqual([569.1, 969.1, 1369.1]);
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});
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it('배근도 재현 W 7800 → B8 30, B6 29 (B5–B8 follow W, odd count split)', () => {
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const bars = crossBars(10400, 7800, 2000);
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expect(bars.find((b) => b.name === 'B8')!.count).toBe(30);
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expect(bars.find((b) => b.name === 'B6')!.count).toBe(29);
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});
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it('배근도 재현 L 9350 → B4 36, B2 35 (B1–B4 follow L)', () => {
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const bars = bottomBars(9350, 8150, 2000);
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expect(bars.find((b) => b.name === 'B4')!.count).toBe(36);
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expect(bars.find((b) => b.name === 'B2')!.count).toBe(35);
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});
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it('variables: W 8000 with s 150 → 50 grid steps, e 150, B4 26 / B2 25; W 12000 → 92 steps, e 150', () => {
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const g = grid(8000, { ...DEFAULT_FOOTING_REBAR, sL: 150 });
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expect(g.n).toBe(50);
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expect(g.e).toBeCloseTo(150, 6);
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expect(grid(12000).n).toBe(92);
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expect(grid(12000).e).toBeCloseTo(150, 6);
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});
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it('splice cases: W 8700 → B2 11946 (no splice); W 12400 → B4 12200; L 8800 → B6 12046', () => {
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expect(bottomBars(10400, 8700, 2000).find((b) => b.name === 'B2')!.length).toBeCloseTo(11946, 0);
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expect(bottomBars(10400, 12400, 2000).find((b) => b.name === 'B4')!.length).toBeCloseTo(12200, 0);
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expect(crossBars(8800, 8150, 2000).find((b) => b.name === 'B6')!.length).toBeCloseTo(12046, 0);
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});
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});
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