Agent skill

Concrete Beam Design

by h30190 in h30190/HJPLUS_Taiwan_Architect_KB

This skill should be used when an architect or structural designer needs to verify PDF-backed concrete beam requirements such as minimum beam depth, T-beam effective flange width, minimum shear…

CC-BY-SA-4.0Auto-check passedDocuments & Office

Install Concrete Beam Design

skills CLI
$ npx skills add h30190/HJPLUS_Taiwan_Architect_KB --skill concrete-beam-design -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install h30190/HJPLUS_Taiwan_Architect_KB concrete-beam-design --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/h30190/HJPLUS_Taiwan_Architect_KB.git skills-src && mkdir -p .claude/skills && cp -r skills-src/'raw/建築施工與材料/混凝土結構設計/混凝土梁設計/concrete-beam-design' .claude/skills/concrete-beam-design && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
concrete-beam-design
GitHub stars
158
Token cost
~1.5k tokens
SKILL.md length
524 words
Files
1
Skills in repo
86
Repo updated
First seen
Licence
CC-BY-SA-4.0

At a glance

This skill should be used when an architect or structural designer needs to verify PDF-backed concrete beam requirements such as minimum beam depth, T-beam effective flange width, minimum shear…

  • Tasks that involve PDF
  • SKILL.md covers Overview, Section 1: Beam Geometry and…, Section 2: Reinforcement… and Section 3: Beam Detailing Notes, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Concrete Beam Design is an agent skill from h30190/HJPLUS_Taiwan_Architect_KB. This skill should be used when an architect or structural designer needs to verify PDF-backed concrete beam requirements such as minimum beam depth, T-beam effective flange width, minimum shear reinforcement, and the governing clause locations for beam detailing in Taiwan's concrete structure design code.

Its SKILL.md is about 1.5k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts. Compatibility notes: claude-code,opencode,agent-skills

It sits in Documents & Office, covering PDF. The repository describes itself as: 一個開源的台灣AEC產業知識庫,只要你願意共享經驗與知識就歡迎加入我們. The licence is CC-BY-SA-4.0.

When your agent uses it

  • Tasks that involve PDF

Example prompts

  • “/concrete-beam-design”

Requirements

  • Python 3
  • Compatibility (from SKILL.md): claude-code,opencode,agent-skills

What it can do on your machine

Read from SKILL.md and the folder at commit 35ed06e. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are python).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    claude-code,opencode,agent-skills

    From compatibility in the SKILL.md frontmatter.

Context cost

Concrete Beam Design loads about 1.5k tokens when it runs. Until then it costs about 82 tokens; SKILL.md has 524 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~82
When it runs · the whole SKILL.md, loaded when a task matches
~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from h30190/HJPLUS_Taiwan_Architect_KB at commit 35ed06e, republished under its CC-BY-SA-4.0 licence (© h30190). 524 words, ~1,452 tokens.

Download SKILL.mdSave it as .claude/skills/concrete-beam-design/SKILL.md (or your agent's skills folder).
name
concrete-beam-design
description
This skill should be used when an architect or structural designer needs to verify PDF-backed concrete beam requirements such as minimum beam depth, T-beam effective flange width, minimum shear reinforcement, and the governing clause locations for beam detailing in Taiwan's concrete structure design code.
compatibility
claude-code,opencode,agent-skills
type
Skill
user-invocable
true
license
CC-BY-SA-4.0
metadata.audience
architects
metadata.region
taiwan
metadata.class
C
metadata.regulation
建築物混凝土結構設計規範

Concrete Beam Design

Overview

Design requirements for reinforced concrete beams in Taiwan, limited to items directly verified against the uploaded PDF in this pass. This skill preserves the minimum beam-depth table, T-beam effective flange-width limits, and the verified clause references for beam reinforcement and detailing. For fundamental cover and splice concepts, see concrete-general-requirements.


Section 1: Beam Geometry and Effective Depth

1.1 Key Dimensions
┌─────────────────────────── b ───────────────────────────┐
│  ┌───────────────────────────────────────────────────┐  │
│  │  ← C → ┌─────────┐ stirrup ← sbar → ┌─────────┐  │  │
│  │         │ main bar│                  │ main bar│  │  │
│  │         └────┬────┘                  └────┬────┘  │  │
│  │              │← d (effective depth) ────→ ┤       │  │ h (total depth)
│  │              ↓                            ↓       │  │
│  │  ─────────────────────────────────────────────── │  │
│  └───────────────────────────────────────────────────┘  │
└─────────────────────────────────────────────────────────┘
  • h = total beam depth (全深度)
  • d = h − C − d_stirrup − d_main/2 (effective depth to main bar centroid)
  • b = beam web width (梁寬)
  • C = concrete cover (to stirrup face) — see concrete-general-requirements
1.2 Minimum Beam Depth (Non-Seismic, Simply Supported)
Support ConditionMinimum h (normal weight concrete, fy=420)
Simply supportedL/16
One end continuousL/18.5
Both ends continuousL/21
CantileverL/8

These are deflection-control minimums. Seismic design may govern a larger section.

Source: 9.3.1.1, Table 9.3.1.1.


Section 2: Reinforcement Limits and Detailing Clauses

The following beam clauses are relevant, but their full numerical expressions were not transcribed clause-by-clause in this pass:

TopicGoverning Clause
Minimum flexural reinforcement9.6.1
Minimum shear reinforcement9.6.3
Beam detailing and bar termination9.7
Development length and splices25.4, 25.5

If a numeric beam check depends on one of these clauses, the AI should resolve it from the PDF before issuing a pass/fail result.


Section 3: Beam Detailing Notes

Beam bar spacing, bundling, and related detailing must be checked against Chapter 25.2 and Chapter 9.7. This skill does not preserve unverified spacing formulas or example widths.


Section 4: Shear Reinforcement (Stirrups)

4.1 Stirrup Spacing

Beam stirrup spacing and seismic hinge-zone detailing must be checked directly from Chapter 9.7 and Chapter 18 when applicable. This skill intentionally avoids restating unverified spacing limits.

4.2 Minimum Shear Reinforcement

$$A_{v,min} = \max\left(\frac{0.062\sqrt{f'c}}{f{yt}} b_w s,\ \frac{0.35}{f_{yt}} b_w s\right)$$

This formula is taken from the PDF-backed beam clause for minimum shear reinforcement. Member-specific exceptions and exemptions must still be checked directly against the chapter text.

Source: 9.6.3.4, Table 9.6.3.4.


Show full SKILL.md (209 more words)Show less

Section 5: T-Beam Effective Flange Width

When a beam is cast monolithically with a slab, it acts as a T-beam in positive moment regions. Effective flange width (bf) is the beam web width plus the effective overhang from the slab.

Flange Side ConditionEffective Overhang Limit
Flange on both sidesmin(8h, sw/2, ln/8)
Flange on one sidemin(6h, sw/2, ln/12)

Where h is slab thickness, sw is adjacent web clear spacing, and ln is clear span.

Source: 6.3.2.1, Table 6.3.2.1.


Section 6: AI Design Check Table — Beam

CheckConditionAI Action
Min flexural steelNumeric check needed under 9.6.1WARNING: Resolve clause 9.6.1 from the PDF before checking.
Stirrup spacingNumeric spacing check needed under 9.7 or Chapter 18WARNING: Resolve the applicable clause from the PDF before checking.
Clear spacingSpacing check required under Chapter 25.2WARNING: Resolve Chapter 25.2 before checking.
Effective depthd not calculated from C + stirrup + d_main/2WARNING: Verify d calculation method.
Development at supportsNumeric ld-based support check neededWARNING: Resolve Chapter 25.4 before checking.
Bar terminationBeam bar cut-off or support extension not checked to 9.7WARNING: Resolve clause 9.7 from the PDF before checking.

Section 7: MCP Tool Examples

python
# Search for beam flexural reinforcement limits
taiwan-building-code_search_building_code(query="梁 最小鋼筋量 ρmin 彎矩", limit=10)

# Search for stirrup spacing requirements
taiwan-building-code_search_building_code(query="梁 箍筋間距 剪力鋼筋", limit=10)

# Search for seismic beam requirements
taiwan-building-code_search_building_code(query="特殊抗彎矩構架 梁 耐震", limit=10)

# Official interpretations
taiwan-building-code_search_building_interpretations(query="梁 鋼筋 最小量 計算")

Additional Resources

© h30190, CC-BY-SA-4.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in raw/建築施工與材料/混凝土結構設計/混凝土梁設計/concrete-beam-design of h30190/HJPLUS_Taiwan_Architect_KB.

Open the folder on GitHubat commit 35ed06e

Compare with similar skills

Concrete Beam Design next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Concrete Beam Design compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Concrete Beam Design this skillh30190/HJPLUS_Taiwan_Architect_KB158—~1.5kAutomated safety check: PassCC-BY-SA-4.0
Frontend Textbooksonepixelaway/frontend-textbooks107—~3.5kAutomated safety check: PassMIT
Illustrator Preflightie3jp/illustrator-mcp-server157—~2.2kAutomated safety check: PassMIT
Kicadaklofas/kicad-happy1.4k1 repos~20kAutomated safety check: PassMIT
Frappe Syntax PrintImpertio-Studio/Frappe_Claude_Skill_Package189—~3kAutomated safety check: PassMIT
Field Service Data Capture Form Designer Configureforcedotcom/sf-skills1.1k—~2.5kAutomated safety check: PassApache-2.0

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Questions about Concrete Beam Design

What does Concrete Beam Design do?

This skill should be used when an architect or structural designer needs to verify PDF-backed concrete beam requirements such as minimum beam depth, T-beam effective flange width, minimum shear…. Concrete Beam Design is an agent skill from h30190/HJPLUS_Taiwan_Architect_KB. This skill should be used when an architect or structural designer needs to verify PDF-backed concrete beam requirements such as minimum beam depth, T-beam effective flange width, minimum shear reinforcement, and the governing clause locations for beam detailing in Taiwan's concrete structure design code.

When should I use Concrete Beam Design?

Concrete Beam Design fits situations like: tasks that involve PDF.

How do I install Concrete Beam Design in Claude Code?

Run `npx skills add h30190/HJPLUS_Taiwan_Architect_KB --skill concrete-beam-design -a claude-code`. Or copy the skill folder (raw/建築施工與材料/混凝土結構設計/混凝土梁設計/concrete-beam-design in h30190/HJPLUS_Taiwan_Architect_KB) into .claude/skills/concrete-beam-design in your project. Claude Code loads it when a task matches its description.

How do I install Concrete Beam Design in Codex?

Run `npx skills add h30190/HJPLUS_Taiwan_Architect_KB --skill concrete-beam-design -a codex`. Or copy the skill folder (raw/建築施工與材料/混凝土結構設計/混凝土梁設計/concrete-beam-design in h30190/HJPLUS_Taiwan_Architect_KB) into .agents/skills/concrete-beam-design in your project. Codex loads it when a task matches its description.

Can I use Concrete Beam Design in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add h30190/HJPLUS_Taiwan_Architect_KB --skill concrete-beam-design -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/concrete-beam-design, .gemini/skills/concrete-beam-design, .github/skills/concrete-beam-design and .opencode/skills/concrete-beam-design in your project.

What does Concrete Beam Design need to run?

SKILL.md names no scripts, command-line tools or credentials: Concrete Beam Design is instructions for the agent only. Our summary lists: Python 3. Compatibility (from SKILL.md): claude-code,opencode,agent-skills.

Does Concrete Beam Design access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Concrete Beam Design safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Concrete Beam Design use?

Concrete Beam Design is published under the CC-BY-SA-4.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Concrete Beam Design use?

About 1.5k tokens (SKILL.md is roughly 5.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Concrete Beam Design?

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Who maintains Concrete Beam Design?

h30190 (a GitHub user) maintains it in h30190/HJPLUS_Taiwan_Architect_KB, which has 158 GitHub stars. The repository holds 86 skills in this directory. The repository was last updated on October 8, 2026.

Source: h30190/HJPLUS_Taiwan_Architect_KB on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.