Hai Van Pass Tunnel
Location: Hue & Da Nang
Time: 2000 - 2005
Description: Tunnel Width: 12m, Total length: 6,274m. It is the longest tunnel in Southeast Asia. Capital: US$252 million; Constructed under the leadership of joint-venture Nippon Koei Company Limited Japan and Louis Berger International Inc., USA with the Vietnamese Transport Engineering Design Corporation (TEDI).
Construction companies: Vietnam-Japan joint-venture Hazama-Cienco 6 and the joint-venture between Korea's Dong Ah construction company and Vietnam's Song Da Construction Corporation
Concrete volume:
Shotcrete: 9,034.5 m³
Concrete Lining: 36,180.2 m³
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Customer Needs:
Request strength for shotcrete:
very difficult
R 8h: 8 Mpa
R 24h: 15 Mpa
R 3 days: 20 Mpa
R 7 days: 25 Mpa
R 28 days: 35 Mpa
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Our Solution:
Using 3 kinds of addmixtures for
1 cubic metre.
( R561 + R1000 + SA 160 ) / m3
Shotcrete.
Qty of BASF’s used product:
Meyco SA 160: 312,234 Litres
Rheobuild 561: 100,283 Litres
Rheobuild 1000: 31,621 Litres
Rheomac GF 300: 20 tons
Barra motar L: 50 tons
Barra 82: 17 tons
Pozzolith 300R: 25,296 Litres
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