| 摘要 |
The invention relates to new means for sealing concrete construction joints, comprising an expansible sealing strip, which is both water expansible and expansible by injection of concrete or the like into a cavity of said sealing strip; in particular a sealing strip involving a combination of an expansible outer skin ( 4 ) based on filled rubber composition (preferably bentonite filled synthetic rubber) which swells in contact with water but does not dissolve in water, and an inner injection tube (preferably comprising a micro-porous, open structure), within the filled rubber skin, for injecting resin dispersions and/or micro-fine cements. The invention also relates to a sealing method using such sealing means and a manufacturing method for such sealing means.
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