Improved underground diaphragm wall rigid joint and construction method thereof

The invention relates to the technical field of foundation pit engineering, in particular to an improved underground diaphragm wall rigid joint and a construction method thereof.The improved underground diaphragm wall rigid joint comprises a template and a circular pile, the outer arc face of the template is fixedly connected with the outer arc face of the circular pile in the symmetry axis direction, and the radius of the template is larger than that of the circular pile; the width of the template is used for being matched with the width of a groove section of the underground diaphragm wall. The connecting structure has the effect of improving concrete streaming at the joint connecting position. 本申请涉及基坑工程技术领域，尤其是涉及一种改进型地下连续墙刚性接头及其施工方法,其包括型板以及圆桩，所述型板的外弧面与所述圆桩的外弧面沿对称轴方向固定连，所述型板的半径大于所述圆桩的半径，且所述型板宽度用于与地下连续墙槽段宽度相互配合。本申请具有改善接头连接处混凝土绕流的效果。