Trench Excavation Auto-Generation

Auto-compute deviance (measured − design) and judge each point for trench excavation quality inspection.

Deviance = measured − design. A point passes when its allowable-low ≤ deviance ≤ allowable-high. Allowables are preset from GB50268-2008 and may be edited.

Inspection points

Location	Check item	Design	Measured	Deviance	Allow min	Allow max	Judging

Qualified points

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Total points

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Result

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Items: 槽底高程 (soil ±20, rock +20/−200), 槽底中线每侧宽度 (not less than specified), 沟槽边坡 (not steeper than specified). Unit: mm.