Agent skill

Concrete Slab 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 slab requirements such as minimum slab thickness, minimum flexural reinforcement, and…

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

Install Concrete Slab Design

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

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

GitHub CLI
$ gh skill install h30190/HJPLUS_Taiwan_Architect_KB concrete-slab-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/混凝土板設計/concrete-slab-design' .claude/skills/concrete-slab-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-slab-design
GitHub stars
158
Token cost
~1.6k tokens
SKILL.md length
671 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 slab requirements such as minimum slab thickness, minimum flexural reinforcement, and…

  • Documents & Office work in your project
  • SKILL.md covers Overview, Section 1: Code Navigation, Section 2: Minimum Slab… and Section 3: Flexural…, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Concrete Slab 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 slab requirements such as minimum slab thickness, minimum flexural reinforcement, and shrinkage/temperature reinforcement rules in Taiwan's concrete structure design code.

Its SKILL.md is about 1.6k 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. 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

  • Documents & Office work in your project

Example prompts

  • “/concrete-slab-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 Slab Design loads about 1.6k tokens when it runs. Until then it costs about 74 tokens; SKILL.md has 671 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~74
When it runs · the whole SKILL.md, loaded when a task matches
~1.6k

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). 671 words, ~1,649 tokens.

Download SKILL.mdSave it as .claude/skills/concrete-slab-design/SKILL.md (or your agent's skills folder).
name
concrete-slab-design
description
This skill should be used when an architect or structural designer needs to verify PDF-backed concrete slab requirements such as minimum slab thickness, minimum flexural reinforcement, and shrinkage/temperature reinforcement rules 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 Slab Design

Overview

Design requirements for reinforced concrete slabs in Taiwan, limited here to items directly verified against the uploaded PDF: minimum slab thickness, minimum flexural steel, and shrinkage/temperature reinforcement rules. Slab-step, opening, and splice details are preserved only as chapter references unless directly transcribed from the source. For cover and splice fundamentals, see concrete-general-requirements.


Section 1: Code Navigation

TopicGoverning Clause
One-way slab minimum thickness7.3.1.1
One-way slab minimum flexural steel7.6.1.1
One-way shrinkage and temperature steel7.6.4, 7.7.6
Two-way slab minimum thickness8.3.1.1
Slab cover20.5.1.3.1

Structural classification between one-way and two-way slab systems should follow the designer's analysis model and the applicable chapter, rather than an unverified shorthand rule.


Section 2: Minimum Slab Thickness

2.1 One-Way Slab Minimum Thickness (Deflection Control)

For non-prestressed one-way slabs with fy = 420 MPa:

Support ConditionMinimum h
Simply supportedL/20
One end continuousL/24
Both ends continuousL/28
CantileverL/10

Multiply by (0.4 + fy/700) for fy ≠ 420 MPa. L = clear span length.

Source: 7.3.1.1, Table 7.3.1.1, 7.3.1.1.1.

2.2 Two-Way Slab Minimum Thickness

For non-prestressed two-way slabs, the minimum thickness depends on panel position and column head condition.

Conditionfy = 420 MPa
No column head, outer panel, no edge beamln/30
No column head, outer panel, with edge beamln/33
No column head, inner panelln/33
With column head, outer panelln/36
With column head, inner panelln/36

Minimum absolute thickness:

  • No column head: 125 mm
  • With column head: 100 mm

Source: 8.3.1.1, Table 8.3.1.1.

2.3 Practical Minimum for Fire Resistance

Fire-resistance thickness may be governed by 建築技術規則 rather than slab-structure clauses alone. This skill does not restate fire-thickness numbers not transcribed from the governing fire code.


Section 3: Flexural Reinforcement

3.1 Minimum Flexural Reinforcement

For non-prestressed slabs, minimum flexural steel is:

$$A_{s,min} = 0.0018A_g$$

This is the same base ratio used for slab shrinkage and temperature reinforcement.

Source: 7.6.1.1.

3.2 Maximum Bar Spacing

Maximum bar spacing for slab flexural reinforcement:

  • Critical sections: min(3h, 450 mm)
  • Other sections: min(3h, 450 mm)

Where h = total slab thickness.


Section 4: Temperature and Shrinkage Reinforcement (溫度收縮筋)

4.1 Purpose

Temperature and shrinkage reinforcement controls cracking due to:

  • Concrete drying shrinkage (乾縮)
  • Seasonal temperature changes
  • Creep effects

It is placed perpendicular to the flexural reinforcement in one-way slabs, and in both directions in slabs with equal reinforcement.

Key concept: Temperature/shrinkage steel is NOT structural — it does not increase load capacity. Its sole purpose is crack width control.

Show full SKILL.md (271 more words)Show less
4.2 Minimum Temperature/Shrinkage Reinforcement Ratio

$$\rho_{t&s} = \frac{A_s}{b \cdot h}$$ (gross slab area)

Bar TypeMinimum ρt&s
Deformed bars and welded wire reinforcement0.0018 (0.18%)
Prestressed slab steel used for shrinkage/temperature controlSee Chapter 24.4.3

Source: 7.6.4.1, 7.7.6.2.1.

4.3 Maximum Spacing for Temperature/Shrinkage Bars

Maximum spacing: min(5h, 450 mm)


Section 5: Development, Splice, and Opening Checks

This audit pass did not verify any slab-specific high-low-slab rule, opening-reinforcement rule, or numeric splice-length rule directly from the PDF. Therefore, this skill intentionally does not preserve those items as technical requirements.

When a project needs those checks, the AI should:

  • resolve the applicable slab clause from the PDF if one exists,
  • otherwise fall back to the general rebar development and splice clauses in Chapters 25.4 and 25.5,
  • and avoid inventing slab-step or opening details not explicitly supported by the source.

Section 7: AI Design Check Table — Slab

CheckConditionAI Action
Min thickness (one-way)h < L/20 (simply supported)ERROR: Slab may not control deflection — verify thickness
Min thickness (two-way)h below table 8.3.1.1 or 100/125mm minimumERROR: Two-way slab below minimum thickness
Temp/shrinkage ratioρt&s < 0.0018ERROR: Insufficient temperature/shrinkage reinforcement
Temp/shrinkage spacingBar spacing > min(5h, 450mm)ERROR: Temperature/shrinkage bars too widely spaced
Flexural spacingBar spacing > min(3h, 450mm) at critical sectionERROR: Flexural bar spacing exceeds limit
Development / spliceNumeric ld or lap check requiredWARNING: Resolve Chapter 25.4 and 25.5 from the PDF before checking.
Cover — interior slabC < 20mm for slabs not exposedERROR: Insufficient cover for interior slab

Section 8: MCP Tool Examples

python
# Search for slab minimum thickness
taiwan-building-code_search_building_code(query="版 最小厚度 撓度 one-way two-way", limit=10)

# Search for temperature/shrinkage reinforcement
taiwan-building-code_search_building_code(query="溫度收縮鋼筋比 版 最小量", limit=10)

# Search for slab opening requirements
taiwan-building-code_search_building_code(query="版 開口 開孔 補強 鋼筋", limit=10)

# Search for high-low slab (if referenced specifically in Taiwan code)
taiwan-building-code_search_building_code(query="高低版 搭接 版高差 段差", limit=10)

# Official interpretations
taiwan-building-code_search_building_interpretations(query="版 高低差 搭接 斜筋補強")

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/混凝土板設計/concrete-slab-design of h30190/HJPLUS_Taiwan_Architect_KB.

Open the folder on GitHubat commit 35ed06e

Compare with similar skills

Concrete Slab 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 Slab Design compared with similar skills
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Concrete Slab Design this skillh30190/HJPLUS_Taiwan_Architect_KB158—~1.6kAutomated safety check: PassCC-BY-SA-4.0
Fern Componentsai-dynamo/dynamo8.3k—~2.8kAutomated safety check: PassApache-2.0
Fireworks Open Eli5yizhiyanhua-ai/fireworks-open-eli5188—~2.2kAutomated safety check: PassApache-2.0
Human Reviewpetergyang/human-review1.4k—~2.1kAutomated safety check: PassMIT
Frontend Textbooksonepixelaway/frontend-textbooks107—~3.5kAutomated safety check: PassMIT
Illustrator Preflightie3jp/illustrator-mcp-server157—~2.2kAutomated safety check: PassMIT

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Questions about Concrete Slab Design

What does Concrete Slab Design do?

This skill should be used when an architect or structural designer needs to verify PDF-backed concrete slab requirements such as minimum slab thickness, minimum flexural reinforcement, and…. Concrete Slab 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 slab requirements such as minimum slab thickness, minimum flexural reinforcement, and shrinkage/temperature reinforcement rules in Taiwan's concrete structure design code.

When should I use Concrete Slab Design?

Concrete Slab Design fits situations like: documents & Office work in your project.

How do I install Concrete Slab Design in Claude Code?

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

How do I install Concrete Slab Design in Codex?

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

Can I use Concrete Slab 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-slab-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-slab-design, .gemini/skills/concrete-slab-design, .github/skills/concrete-slab-design and .opencode/skills/concrete-slab-design in your project.

What does Concrete Slab Design need to run?

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

Does Concrete Slab 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 Slab 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 Slab Design use?

Concrete Slab 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 Slab Design use?

About 1.6k tokens (SKILL.md is roughly 6.6k 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 Slab Design?

Skills that share tags, products or a category with Concrete Slab Design: Fern Components (ai-dynamo/dynamo, 8.3k stars), Fireworks Open Eli5 (yizhiyanhua-ai/fireworks-open-eli5, 188 stars), Human Review (petergyang/human-review, 1.4k stars) and Frontend Textbooks (onepixelaway/frontend-textbooks, 107 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Concrete Slab 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.