Table 1 Control standards for the erection accuracy of various bridges.

From: Research on methods for controlling strand sag in main cables

Bridge

Allowable height difference

between general strands and reference strand

Minami Bisan-Seto Bridge6

− 30 mm to 30 mm

Runyang Bridge13, Ma Anshan Bridge14

0 to + 5 mm

A self-anchored suspension bridge in China15

0 to  + 15 mm

Aizhai Bridge16

− 5 mm to  + 5 mm

Wu Fengshan Yangtze River Bridge17

− 5 mm to  + 10 mm

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