ZZB 2026/1
Strength and durability of hardened concrete

ZZB 12390, 480-11, 731322, 731324, 731326

---

Important dates

• Registration from:
  3/17/2025
• Registration to:
  1/31/2026
• Sample distribution from:
  4/20/2026
• Sample distribution to:
  4/24/2026
• Testing from:
  5/11/2026
• Testing to:
  7/15/2026
• Submission of results from:
  5/11/2026
• Submission of results to:
  7/15/2026
• Evaluation to:
  8/31/2026

---

Downloadable documents

	ZZB 2026/1 - Plán PT (CZ) {{173422 | filesize}}
	ZZB 2026/1 - PT Plan (EN) {{210936 | filesize}}

---

Currently available programmes

Registration