The Application of Waterproof TRD Construction Method in Deep Foundation Engineering

With the continuous development of underground engineering,water proofing of deep foundation pit has become one of the prominent problems in underground engineering.In this paper,the authors introduce the working principle,technical parameters,construction technology,construction precautions and quality assurance measures of TRD method for foundation pit waterproof curtain.These can provide references for the design and construction of waterproof curtain in deep foundation engineering.