Tunnel Logistics — Muck Volume per Metre
Muck Volume per Metre for TBM drive planning.
Every metre of a 7 m bore births ~60 loose cubic metres of muck — the logistics chain (cars, belts, pumps) is sized by this one multiplication, and a TBM advances exactly as fast as its muck leaves.
Formula
Note: Planning-level tunnelling estimate — actual TBM performance is set by detailed geotechnical baseline data, machine design and the contractor's means & methods. Use for feasibility framing only.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Muck Volume per Metre for TBM drive planning. A free tbm performance & tunnelling tool — no sign-up, no upload, instant results in your browser.
About Tunnel Logistics — Muck Volume per Metre
Tunnel Logistics — Muck Volume per Metre computes the governing relationship V = π/4·D² × bulking live as you type. Every metre of a 7 m bore births ~60 loose cubic metres of muck — the logistics chain (cars, belts, pumps) is sized by this one multiplication, and a TBM advances exactly as fast as its muck leaves. Defaults are pre-filled with realistic values for this exact scenario, and the worked example substitutes your numbers step by step so the math is never a black box.
How to use Tunnel Logistics — Muck Volume per Metre
- 1Enter your values — Bore diameter, Bulking factor (sensible defaults are pre-filled).
- 2Read the live results: In-situ per metre, Loose muck per metre.
- 3Check the "with your numbers" line to see V = π/4·D² × bulking substituted step by step.
- 4Adjust inputs until the scenario matches yours, then copy or share the result.
Why use Tunnel Logistics — Muck Volume per Metre?
- ✓Instant, free and private — every calculation runs client-side in your browser; nothing is uploaded
- ✓Built on the stated formula V = π/4·D² × bulking with authoritative sources cited on the page (Maidl et al., Mechanised Shield Tunnelling, 2nd ed.; ITA/BTS — Mechanised tunnelling guidelines)
- ✓Every metre of a 7 m bore births ~60 loose cubic metres of muck — the logistics chain (cars, belts, pumps) is sized by this one multiplication, and a TBM advances exactly as fast as its muck leaves.
- ✓Niche-specific defaults give a meaningful worked answer the moment the page loads
Frequently asked questions
What formula does the tunnel logistics — muck volume per metre use?+
It evaluates V = π/4·D² × bulking, exactly as published. Sources: Maidl et al., Mechanised Shield Tunnelling, 2nd ed.; ITA/BTS — Mechanised tunnelling guidelines. The substituted worked example on the page lets you verify every step against the textbook.
How should I read the result — and how far can I trust it?+
Every metre of a 7 m bore births ~60 loose cubic metres of muck — the logistics chain (cars, belts, pumps) is sized by this one multiplication, and a TBM advances exactly as fast as its muck leaves. Planning-level tunnelling estimate — actual TBM performance is set by detailed geotechnical baseline data, machine design and the contractor's means & methods. Use for feasibility framing only.
When is this calculator the right tool for the job?+
Muck Volume per Metre for TBM drive planning. A free tbm performance & tunnelling tool. Every metre of a 7 m bore births ~60 loose cubic metres of muck — the logistics chain (cars, belts, pumps) is sized by this one multiplication, and a TBM advances exactly as fast as its muck leaves. For neighbouring scenarios, the related tools below cover the same engine with different presets.
Do I need to install anything or create an account?+
No. The tool is pure client-side JavaScript: open the page and it works, offline once loaded, with no account, no quota and no data leaving your device.
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