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Guangzhou–Shenzhen–Hong Kong Passenger Line – Track Mats

Guangzhou–Shenzhen–Hong Kong
Passenger Line
Track Mats

project details
Track Mats
Guangzhou–Shenzhen–Hong Kong Passenger Line Shiziyang Tunnel

Description

The Shiziyang tunnel on the Guangzhou-Shenzhen-Hong Kong passenger line is located between Dongyong station and Humen station. Soil conditions (clay and sand) are too poor to ensure that the tunnel has stable foundations for its intended lifetime. A dynamic analysis of the Shiziyang tunnel determined that vibration mitigation measures were necessary.

Solution

The CRTSI isolated slab consists of a prefabricated track slab on a track mat (t=27 mm). The height adjustment was carried out by CA mortar between the track mat and the first concrete. The stiffness of the mats was adjusted in three steps, ensuring a smooth transition from the CRTSI isolated slab track to the standard slab track.

requirements
mitigation of train-induced dynamic forces
to prevent HSL tunnel settlements on the very soft soil

NR, CR, SBR

Material

350km/h

Design speed

2009

Installation

10.8 km

Installed length

USM 3000
USM 4010

Product details

0.046 N/mm³
0.100 N/mm³

Specific static stiffness

impressions
visible
results
tiantie-group_cases_guangzhou-shenzhen-hong-kong-passenger-line_image01
tiantie-group_cases_guangzhou-shenzhen-hong-kong-passenger-line_image02
tiantie-group_cases_guangzhou-shenzhen-hong-kong-passenger-line_image03
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Zhejiang Tiantie Industry Co., Ltd.

No. 928, Renmin East Road
Tiantai (317200)
Taizhou, Zhejiang, China

Phone 0086-(0)576 8317 1283
Fax 0086-(0)576 -8308 6288
Email info@tiantiegroup.com

International Business Office
Email info@tiantiegroup.com

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