濡须坞 / Ruxu Fortress

Overview

濡须坞 / Ruxu Fortress is the defensive position that 吕蒙 urges 孙权 to build at the Ruxu waterway as protection against a renewed 曹操 offensive.

Current Profile

Hanji 1128 says other commanders consider a fort unnecessary because troops can land for battle and return to ships afterward. Lyu Meng rejects the assumption that reboarding will always remain possible: battles can be lost, pursuit can be fast, and soldiers may need immediate cover before reaching the fleet.

Sun Quan accepts the argument and funds construction. In this bounded account, Ruxu is therefore not merely a fixed wall; it is operational fallback infrastructure connecting land combat, river mobility, retreat timing, and continued resistance after an unfavorable encounter.

Key Characteristics

• Riverine defensive work tied to both land and naval operations.
• Built in anticipation of renewed Cao-side pressure.
• Designed around the possibility of defeat rather than assumed victory.
• Provides a temporary refuge when pursuit prevents orderly re-embarkation.
• Material expression of Lyu Meng’s risk-sensitive advice and Sun Quan’s acceptance.

Evidence

• Strategic trigger: Hanji 1128 links the proposal to reports of another Cao Cao campaign.
• Objection and response: Hanji 1128 contrasts confidence in returning to ships with Lyu Meng’s warning about defeat and rapid pursuit.
• Construction decision: Hanji 1128 says Sun Quan provides resources to build the defensive position.

Qualifications

The source summary does not establish the fortification’s exact date, engineering form, dimensions, labor system, cost, location boundaries, or performance in later battles. “Ruxu Fortress” is a functional English label for the source’s 濡须坞, not a claim that it matched a standardized fortress type.

What Changed

• Created the page from Hanji 1128’s Ruxu construction argument.

Relationships

• 吕蒙 - adviser who diagnoses the retreat vulnerability.
• 孙权 - ruler who authorizes and funds construction.
• 曹操 - anticipated attacker whose pressure motivates the work.
• 防御性退路基础设施 - operational concept illustrated by Ruxu.