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堤防加固工程中采用连续防渗墙施工方案与技术,能有效地延长渗径,降低渗透压力;还可以堵截堤身漏洞、裂缝、老口门等处渗流通道;杜绝贯穿漏洞的再次发生,消除管涌;且墙体具有一定的抗冲刷能力。它是提高堤防加固工程、增强大堤抗洪能力的有效措施之一。为此,根据自身的经验,对这种提防防渗墙的施工措施及关键技术进行简要的探讨。
Adopting continuous impervious wall construction scheme and technology in the embankment reinforcement project can effectively prolong the seepage path and reduce the seepage pressure, and can also plug the seepage channel at the levee, the crack and the old port of the levee; prevent the recurrence and elimination of the penetrating holes Piping; and the wall has a certain anti-erosion ability. It is one of the effective measures to improve the embankment reinforcement project and enhance the flood control capability of the embankment. To this end, based on our own experience, we briefly discuss the construction measures and key technologies of this impervious wall.