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Construction method of cylindrical self-sinking underground space structure
The invention discloses a construction method of a cylindrical self-sinking underground space structure. The construction method comprises the following steps that a, shallow foundation treatment is conducted; b, a prefabricated first cylinder body is longitudinally arranged in place; and c, soil bodies are dug and conveyed outwards from the interior of the first cylinder body along the inner sidewall of the first cylinder body, so that through cooperation of a soil breaking structure and the gravity of the first cylinder body, soil breaking and sinking of the first cylinder body are realized; and a first longitudinal water pipe is provided with a first water outlet located in the bevel edge of the soil breaking structure and a first water inlet located in the upper end face of the firstcylinder body, and the water outlet direction of the first water outlet is vertically downward or downward along the bevel edge. In the execution process of step c, the construction method further comprises the following steps that d, the sinking speed of the first cylinder body is detected, and if the current sinking speed of the first cylinder body is lower than the preset sinking speed, high-pressure water injection is conducted in the first cylinder body, so that high-pressure water flow scours the soil body located at the lower end of the first cylinder body into the first cylinder body,and then the first cylinder body is promoted to sink.
本发明公开了一种筒型自沉式地下空间结构的施工方法，包括以下步骤：a.浅基处理；b.将预制的第一筒体纵向安置就位；c.从第一筒体的内部且沿第一筒体内侧壁向外挖运土体，使得第一筒体通过破土结构与其重力配合实现破土和下沉；第一纵向水管具有位于破土结构的斜边上的第一出水口，和位于第一筒体的上端面的第一进水口，第一出水口的出水方向为竖向向下，或沿斜边向下；施工方法在执行上述步骤c的过程中还包括以下步骤：d.对第一筒体的下沉速度进行检测，若第一筒体的当前下沉速度低于预定下沉速度，则通过向第一筒体内进行高压注水，使得高压水流将位于第一筒体的下端的土体向第一筒体内冲刷，从而促使第一筒体下沉。
Construction method of cylindrical self-sinking underground space structure
The invention discloses a construction method of a cylindrical self-sinking underground space structure. The construction method comprises the following steps that a, shallow foundation treatment is conducted; b, a prefabricated first cylinder body is longitudinally arranged in place; and c, soil bodies are dug and conveyed outwards from the interior of the first cylinder body along the inner sidewall of the first cylinder body, so that through cooperation of a soil breaking structure and the gravity of the first cylinder body, soil breaking and sinking of the first cylinder body are realized; and a first longitudinal water pipe is provided with a first water outlet located in the bevel edge of the soil breaking structure and a first water inlet located in the upper end face of the firstcylinder body, and the water outlet direction of the first water outlet is vertically downward or downward along the bevel edge. In the execution process of step c, the construction method further comprises the following steps that d, the sinking speed of the first cylinder body is detected, and if the current sinking speed of the first cylinder body is lower than the preset sinking speed, high-pressure water injection is conducted in the first cylinder body, so that high-pressure water flow scours the soil body located at the lower end of the first cylinder body into the first cylinder body,and then the first cylinder body is promoted to sink.
本发明公开了一种筒型自沉式地下空间结构的施工方法，包括以下步骤：a.浅基处理；b.将预制的第一筒体纵向安置就位；c.从第一筒体的内部且沿第一筒体内侧壁向外挖运土体，使得第一筒体通过破土结构与其重力配合实现破土和下沉；第一纵向水管具有位于破土结构的斜边上的第一出水口，和位于第一筒体的上端面的第一进水口，第一出水口的出水方向为竖向向下，或沿斜边向下；施工方法在执行上述步骤c的过程中还包括以下步骤：d.对第一筒体的下沉速度进行检测，若第一筒体的当前下沉速度低于预定下沉速度，则通过向第一筒体内进行高压注水，使得高压水流将位于第一筒体的下端的土体向第一筒体内冲刷，从而促使第一筒体下沉。
Construction method of cylindrical self-sinking underground space structure
筒型自沉式地下空间结构的施工方法
LIU XIANGANG (author) / LIU BIN (author) / HU YUXIANG (author) / FU HUI (author)
2020-12-04
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
Construction method of cylindrical self-sinking underground space structure
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