Cylindrical cast steel counter weight with conical bottom edge for measuring pile by high strain method

The utility model aims to provide the cylindrical cast steel counter weight with the conical bottom edge for measuring the pile by the high-strain method, which is simple in structure and can improve the stress concentration phenomenon in the detection process so as to reduce the damage to the pile body. The hammer comprises a cylindrical hammer body, a cone frustum is arranged on the hammer body, the diameter of the top face of the cone frustum is larger than that of the bottom face of the cone frustum, the diameter of the top face of the cone frustum is equal to that of the bottom face of the hammer body, and the top face of the cone frustum is connected with the bottom face of the hammer body. The device is applied to the technical field of foundation detection. 本实用新型旨在提供一种结构简单，在检测过程中能够改善应力集中现象，从而降低对桩体的破坏的用于高应变法测桩的底边缘呈锥面的圆柱体铸钢重锤。本实用新型包括锤体，所述锤体呈圆柱状，所述锤体上设置有圆锥台，所述圆锥台的顶面直径大于所述圆锥台的底面直径，所述圆锥台的顶面直径与所述锤体的底面直径相等，所述圆锥台的顶面与所述锤体的底面相连。本实用新型应用于地基基础检测技术领域。