Cracks appear in tube in Hangzhou's subway line
By Zha Minjie |
May 17, 2012, Thursday
|
Print Edition
Print Edition
CRACKS have appeared in a subway tunnel under construction in Hangzhou but will cause neither safety problems nor delays, according to the subway's builders.
The builders said they would conduct repair work soon to solidify the structure of Hangzhou's Line 1, which had the nation's worst subway-related construction accident more than three years ago.
In that case, on November 13, 2008, a foundation caved in, killing 21 workers and injuring more than 20 others.
The Hangzhou Metro Group said yesterday that the recently discovered cracks on segments of the tube were caused by pressure from large piles of earth from another construction project nearby.
The subway builder said the mounds of earth excavated from the other project had been "piled up very high, up to six to seven meters."
The pressure caused water leaks, discovered by metro workers during routine checks.
Officials of the metro group said the tube's integrity is not in any danger and the subway, which began construction in 2007, is expected to start test runs by October. It is expected to have 30 stations, they said.
The builders said they would conduct repair work soon to solidify the structure of Hangzhou's Line 1, which had the nation's worst subway-related construction accident more than three years ago.
In that case, on November 13, 2008, a foundation caved in, killing 21 workers and injuring more than 20 others.
The Hangzhou Metro Group said yesterday that the recently discovered cracks on segments of the tube were caused by pressure from large piles of earth from another construction project nearby.
The subway builder said the mounds of earth excavated from the other project had been "piled up very high, up to six to seven meters."
The pressure caused water leaks, discovered by metro workers during routine checks.
Officials of the metro group said the tube's integrity is not in any danger and the subway, which began construction in 2007, is expected to start test runs by October. It is expected to have 30 stations, they said.
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