Step irons in manhole structures –a volatile history

Proposal for solution from practice

By Wilfried Bonczyk

Subscribe to magazine

Contact

Philippen Betonwerk GmbH &Co.KG Am Weidenhof 4 52525 Heinsberg,GERMANY T +49 2452 95070 F +49 2452 62718 www.philippen-betonwerk.de bonczyk@philippen-betonwerk.de

Download article

MORE ARTICLES

New fully automatic manhole pipemachine for HABA in Austria
Step irons in manhole structures –a volatile history
The success of Pretech Corporation is based on the factors Chance, RiskAnalysis, and state-of-the

Events

20.01.2026 - 22.01.2026
29.01.2026 - 29.01.2026
04.02.2026 - 06.02.2026
See more


CPi-worldwide trade journals are published in 10 language editions, bi-monthly to concrete production professionals worldwide for the concrete and precast industries. These trade journals feature practical editorial reporting on research, production, and applications, and specifically address decision makers, owners and specifiers in this sector.

About us
Contact

ad-media GmbH
Industriestrasse 180
50999 Cologne
Germany

T: + 49 2236 96 23 90
F: + 49 2236 96 23 96
info@ad-media.de