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Engineering database \ Calculation and error analysis of municipal engineering tunnel survey method

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Calculation and error analysis of municipal engineering tunnel survey method

Uploaded on: 2021-11-24 08:10:54

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Control survey outside the tunnel: the location survey accuracy is low, which does not meet the accuracy requirements of tunnel penetration. Function: establish a precise control network between the excavation openings of the tunnel to carry out control survey or centerline survey in the tunnel to ensure the accurate connection of the tunnel.

Calculation and error analysis of municipal engineering tunnel survey method - Figure 1

Calculation and error analysis of municipal engineering tunnel survey method - Figure 1

Calculation and error analysis of municipal engineering tunnel survey method - Figure 2

Calculation and error analysis of municipal engineering tunnel survey method - Figure 2

Calculation and error analysis of municipal engineering tunnel measurement method - Figure 3

Calculation and error analysis of municipal engineering tunnel measurement method - Figure 3

Calculation and error analysis of municipal engineering tunnel survey method - Figure 4

Calculation and error analysis of municipal engineering tunnel survey method - Figure 4

Calculation and error analysis of municipal engineering tunnel measurement method - Figure 5

Calculation and error analysis of municipal engineering tunnel measurement method - Figure 5

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