The effect of concrete carbonization degrees on chloride diffusion coefficient has been analyzed by rapid carbonization test and rapidpermeability test;
The coal bed gas reservoirs in China are characterized by low permeability, low desorption speed, low production, rapid production decline and difficult to realize industrial scale production.
中国煤层气藏的特点是渗透率低，解吸速度低，产量低，产量递减快，工业化生产难。
3
Authors adopted the rapid chloride permeability test method to research influences of fly-ash amount on anti-chloride-permeability performances of steam cured concrete.