Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Hole collapse prevention method
The invention discloses a hole collapse prevention method. The method comprises the steps that S1, the thickness L of a soft soil layer is surveyed before construction; S2, the number N of inner wall protection pieces needed by the soft soil layer is determined; s3, before rotary excavating construction, the preset position of the rotary excavating base hole is cleaned; and S4, rotary excavating foundation hole construction at the soft soil layer is completed in the mode that the foundation hole is subjected to rotary excavating while the inner wall protection piece is installed, and then a deep foundation hole is excavated in the rock stratum. By designing the inner wall protection piece, the inner wall protection piece can be fixed to the inner side of the rotary excavating base hole in an inner supporting mode, the inner wall of the excavated rotary excavating base hole is supported, and compared with the mode that an annular protection piece is poured through concrete and the excavation hole diameter of a soft soil layer is enlarged, the inner wall protection piece has the advantage of being convenient to install and use, so that the construction amount can be reduced, and the construction efficiency is improved. The construction period is shortened.
本发明公开了一种防塌孔方法，包括：S1、施工前勘测松软土层的厚度L：S2、确定软土层所需要的内壁护件的数量N；S3、旋挖施工前，对预定的旋挖基孔位置进行清理；S4、采用边旋挖基孔，边安装内壁护件的方式完成松软土层处的旋挖基孔施工，然后在岩层开挖深层基孔。本发明，通过设计内壁护件，其能够依靠内撑的方式固定在旋挖基孔的内侧，对开挖的旋挖基孔内壁进行支撑，相比较采用的混凝土浇筑环形护件和扩大松软土层开挖孔径的方式，具有安装使用方便的优点，从而能够降低施工量，缩短施工周期。
Hole collapse prevention method
The invention discloses a hole collapse prevention method. The method comprises the steps that S1, the thickness L of a soft soil layer is surveyed before construction; S2, the number N of inner wall protection pieces needed by the soft soil layer is determined; s3, before rotary excavating construction, the preset position of the rotary excavating base hole is cleaned; and S4, rotary excavating foundation hole construction at the soft soil layer is completed in the mode that the foundation hole is subjected to rotary excavating while the inner wall protection piece is installed, and then a deep foundation hole is excavated in the rock stratum. By designing the inner wall protection piece, the inner wall protection piece can be fixed to the inner side of the rotary excavating base hole in an inner supporting mode, the inner wall of the excavated rotary excavating base hole is supported, and compared with the mode that an annular protection piece is poured through concrete and the excavation hole diameter of a soft soil layer is enlarged, the inner wall protection piece has the advantage of being convenient to install and use, so that the construction amount can be reduced, and the construction efficiency is improved. The construction period is shortened.
本发明公开了一种防塌孔方法，包括：S1、施工前勘测松软土层的厚度L：S2、确定软土层所需要的内壁护件的数量N；S3、旋挖施工前，对预定的旋挖基孔位置进行清理；S4、采用边旋挖基孔，边安装内壁护件的方式完成松软土层处的旋挖基孔施工，然后在岩层开挖深层基孔。本发明，通过设计内壁护件，其能够依靠内撑的方式固定在旋挖基孔的内侧，对开挖的旋挖基孔内壁进行支撑，相比较采用的混凝土浇筑环形护件和扩大松软土层开挖孔径的方式，具有安装使用方便的优点，从而能够降低施工量，缩短施工周期。
Hole collapse prevention method
一种防塌孔方法
JIANG CHANGXIANG (Autor:in) / LIAO PAN (Autor:in) / MAO JICHENG (Autor:in) / ZHANG GUOHE (Autor:in) / QIANG SHUANG (Autor:in) / XIAO MINGCAI (Autor:in) / LI YAPENG (Autor:in) / ZHANG ZEQIAN (Autor:in) / CHANG SHIHONG (Autor:in)
13.09.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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