# KeiBeton — concrete that senses its own strain

Canonical page: https://keilab.io/hardware/keibeton/

hardware · keibeton

A structural-health-monitoring design: a capacitive sensing mesh for concrete and rebar that reads local strain from the plate-capacitor relation C = εA / d as the material deforms.

## What it is designed to do

KeiBeton is designed to embed a capacitive sensing mesh in concrete and its rebar. As the structure strains, the local geometry of the embedded plates changes, and so does their capacitance — a direct, continuous read on structural health without drilling into the material after the fact.

## Why it matters

Most structural-health monitoring is retrofit — strain gauges bonded to a surface, inspected on a schedule. KeiBeton is designed in at pour time, so the sensing mesh ages with the structure and reports continuously instead of on inspection cycles.

## Compute core

The signal-processing core has parallel Rust and MAX implementations, gated for parity against each other; in our tests they agreed on 42 of 42 checks and the MAX port ran 1.37x faster.

cross-references

- [→ MAX (compute core)](https://keilab.io/ai/max/)
- [→ KeiTech hardware tracks](https://keilab.io/hardware/)

Status: In development

Principle: Capacitive mesh — C = εA / d

Target: Concrete / rebar structural-health monitoring

Sensitivity: concept public · firmware NDA

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