Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Pile foundation design method suitable for large-thickness collapsible loess area
The invention provides a pile foundation design method suitable for a large-thickness collapsible loess area. The pile foundation design method comprises the steps that a cast-in-place pile of a pile foundation penetrates through a large-thickness collapsible loess layer to be supported on a stable and firm soil layer; the required pile foundation bearing capacity is determined according to an upper structure supported by the pile foundation; the large-thickness collapsible loess layer is treated to form a treatment structure, negative friction borne by the cast-in-place pile when the cast-in-place pile penetrates through the large-thickness collapsible loess layer is eliminated, and the length of the cast-in-place pile is shortened on the premise that the required pile foundation bearing capacity is met; according to the treatment structure, the length, the diameter and the material of the cast-in-place pile, the actual bearing capacity of the pile foundation is obtained, and the actual bearing capacity of the pile foundation is larger than the needed bearing capacity of the pile foundation. According to the method, the collapsible loess around the pile foundation is firstly subjected to compaction treatment, after collapsibility is eliminated, the reinforced concrete cast-in-place pile is constructed, and good economical efficiency can be achieved while damage to the pile foundation caused by soil layer collapsibility can be avoided.
本公开提供了一种适用于大厚度湿陷性黄土地区的桩基础设计方法，包括：桩基础的灌注桩穿过大厚度湿陷性黄土层支撑于稳定坚实土层；根据桩基础所支撑的上部结构确定所需桩基础承载力；处治大厚度湿陷性黄土层形成处治结构，消除灌注桩穿过大厚度湿陷性黄土层时承受的负摩阻力、以及在满足所需桩基础承载力的前提下缩短灌注桩长度；根据所述处治结构、灌注桩长度、直径及材料得到桩基础实际承载力，桩基础实际承载力大于所需桩基础承载力。本公开先对桩基周围湿陷性黄土进行挤密处理，消除湿陷性后，施工钢筋混凝土灌注桩，可以避免土层湿陷对桩基造成破坏的同时具有较好的经济性。
Pile foundation design method suitable for large-thickness collapsible loess area
The invention provides a pile foundation design method suitable for a large-thickness collapsible loess area. The pile foundation design method comprises the steps that a cast-in-place pile of a pile foundation penetrates through a large-thickness collapsible loess layer to be supported on a stable and firm soil layer; the required pile foundation bearing capacity is determined according to an upper structure supported by the pile foundation; the large-thickness collapsible loess layer is treated to form a treatment structure, negative friction borne by the cast-in-place pile when the cast-in-place pile penetrates through the large-thickness collapsible loess layer is eliminated, and the length of the cast-in-place pile is shortened on the premise that the required pile foundation bearing capacity is met; according to the treatment structure, the length, the diameter and the material of the cast-in-place pile, the actual bearing capacity of the pile foundation is obtained, and the actual bearing capacity of the pile foundation is larger than the needed bearing capacity of the pile foundation. According to the method, the collapsible loess around the pile foundation is firstly subjected to compaction treatment, after collapsibility is eliminated, the reinforced concrete cast-in-place pile is constructed, and good economical efficiency can be achieved while damage to the pile foundation caused by soil layer collapsibility can be avoided.
本公开提供了一种适用于大厚度湿陷性黄土地区的桩基础设计方法，包括：桩基础的灌注桩穿过大厚度湿陷性黄土层支撑于稳定坚实土层；根据桩基础所支撑的上部结构确定所需桩基础承载力；处治大厚度湿陷性黄土层形成处治结构，消除灌注桩穿过大厚度湿陷性黄土层时承受的负摩阻力、以及在满足所需桩基础承载力的前提下缩短灌注桩长度；根据所述处治结构、灌注桩长度、直径及材料得到桩基础实际承载力，桩基础实际承载力大于所需桩基础承载力。本公开先对桩基周围湿陷性黄土进行挤密处理，消除湿陷性后，施工钢筋混凝土灌注桩，可以避免土层湿陷对桩基造成破坏的同时具有较好的经济性。
Pile foundation design method suitable for large-thickness collapsible loess area
一种适用于大厚度湿陷性黄土地区的桩基础设计方法
LIU FENG (Autor:in) / JIA JUNMING (Autor:in) / TAO BEILIN (Autor:in) / LU KEWEI (Autor:in) / WANG BO (Autor:in)
11.11.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
| Europäisches Patentamt | 2016
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2024
| Europäisches Patentamt | 2022