Haivan Pass Tunnel
CONSTRUCTION
PROJECT
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Progress Report > Package IA - North Tunnel Section
Proof Rolling Test (DT 15 tons-w/aggregate loaded total weighing 32 tons) for Subgrade Compaction at Main Tunnel fr. Station 1+770 to Layby No.1 (Sta. 2+015)
Kiểm tra độ chống trượt cho lớp phủ nền tại hầm chính
Tháng 01/2004 - Trở về
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