EXO Innovations, Inc.

PermeaTORR AC+

Measures the Air-Permeability of the Cover Concrete

Measures the Coefficient of
Air-Permeability kT of the Cover Concrete according to:

Swiss Standard SIA 262/1:2019

Japanese Standard NDIS 3436-2: 2020

Argentine Standard IRAM 1892: 2022

Some
Applications

Panama

New Panama Canal

United States of America

Port of Miami Tunnel

Argentina

Antarctic Carlini Base

Japan

Tokyo’s National Museum of Western Art

China

Hong Kong-Zhuhai-Macao sea-link

Italy

Industrial Building

Instrument’s
Operation

1. Introduction

2. Principles of the measurement

3. Assemblage and maintenance

4. Conditioning and calibration

5. kT Test in the laboratory

6. kT Test at the jobsite

7. Remote operation via a smartphone*

*Under revision

8. Data review and capture and device storage

PermeaTORR
Documentation

Brochure of PermeaTORR AC+

Folleto del PermeaTORR AC+

小冊子 PermeaTORR AC+

Bibliography on Test Method (September 2023)

Model Standard for kT Testing

Modelling air flow and derivation of formula to calculate kT

Justification for shortening maximum test duration to 6 minutes

Moisture Measurement and its Compensation

Relation between kT and concrete’s pore structure

Correlation with other Durability Tests

Concrete Permeability and Durability Performance

From Theory to Field Applications

All you need to know to perform kT tests and correctly interpret the results.

by Roberto J. Torrent, Rui D. Neves, Kei-ichi Imamoto