STUDY ON THE TUNNEL ENVIRONMENT UNDER CONSTRUCTION AND HUMIDITY CHANGE OF LINING CONCRETE

STUDY ON THE TUNNEL ENVIRONMENT UNDER CONSTRUCTION AND HUMIDITY CHANGE OF LINING CONCRETE

Generally, it is said that tunnel environment is suitable for curing of lining concrete. On the other hand, enlargement of ventilating facilities is also progressing for the purpose of the improvement of work environment, and it is thought that the tunnel environment under construction is changing....

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Veröffentlicht in:Doboku Gakkai Ronbunshu 2003/09/20, Vol.2003(742), pp.27-35
Hauptverfasser: BABA, Koji, ITO, Tetsuo, SHIROMA, Hiromichi, MIYANO, Kazuya, NAKAJIMA, Hiroshi, TANIGUCHI, Hirofumi
Format: Artikel
Sprache:eng
Schlagworte:
concrete lining
curing
drying shrinkage
humidity
tunnel
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Beschreibung
Zusammenfassung:Generally, it is said that tunnel environment is suitable for curing of lining concrete. On the other hand, enlargement of ventilating facilities is also progressing for the purpose of the improvement of work environment, and it is thought that the tunnel environment under construction is changing. From the above viewpoints, firstly, the tunnel environment under construction was investigated and the present condition was clarified. Secondly, humidity change of lining concrete was clarified by experiment. Finally, the curing method suitable for lining concrete was proposed.
ISSN:0289-7806
1882-7187
DOI:10.2208/jscej.2003.742_27