A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Static pressure reaming anchor cable structure containing tooth pits and shaped like date pits connected in series and construction method of static pressure reaming anchor cable structure
The invention discloses a tooth pit-containing'serial date pit '-shaped static pressure reaming anchor cable structure and a construction method thereof, after an anchor hole is mechanically formed, the hole wall of an anchoring section is reamed in the hole through a reamer, and finally an anchor hole structure which is in a'serial date pit' shape on the whole and partially contains spherical or tooth-shaped extrusion pits is formed. And then, an anchor cable is installed in the anchor hole, grouting tensioning treatment is conducted, and it should be ensured that the center line of the anchor hole coincides with the central axis of the anchor cable when the anchor cable is installed. According to the tooth pit-containing'serial date pit '-shaped static pressure reaming anchor cable structure, the compactness, the strength, the roughness and the hole wall friction resistance of a rock-soil body of a hole wall of an anchoring section of the anchor cable are improved, meanwhile, dual combination of'date pits' of anchor bars or steel strands and'date pits' of the hole wall is formed, the stress mode of the anchor cable is improved, and the service life of the anchor cable is prolonged. The anchoring force of the anchor cable in soft stratums such as loess, soil-like property, soft soil and part of soft rock is effectively improved, the anchoring engineering scale can be reduced, the energy-saving and environment-friendly characteristics are achieved, manpower, material resources and resources are saved, and the engineering cost is reduced.
本发明公开一种含齿坑“串联枣核”状静压扩孔锚索结构及其施工方法，锚孔机械成孔后，孔内通过扩孔器进行锚固段孔壁扩孔，最终形成总体呈“串联枣核”状，局部含有球状或齿状的挤压坑的锚孔结构，随后在锚孔内安装锚索并进行注浆张拉处理，安装锚索时应确保锚孔中心线与锚索中轴线重合。本发明含齿坑“串联枣核”状静压扩孔锚索结构，提高了锚索锚固段孔壁岩土体密实度、强度、粗糙度和孔壁摩阻力，同时形成了锚筋或钢绞线“枣核”与孔壁“枣核”双重合，改善了锚索受力模式，有效提高了锚索在黄土、类土质、软土和部分软岩等软弱地层中的锚固力，可减小锚固工程规模，具有节能环保的特点，节省了人力、物力和资源，降低工程造价。
Static pressure reaming anchor cable structure containing tooth pits and shaped like date pits connected in series and construction method of static pressure reaming anchor cable structure
The invention discloses a tooth pit-containing'serial date pit '-shaped static pressure reaming anchor cable structure and a construction method thereof, after an anchor hole is mechanically formed, the hole wall of an anchoring section is reamed in the hole through a reamer, and finally an anchor hole structure which is in a'serial date pit' shape on the whole and partially contains spherical or tooth-shaped extrusion pits is formed. And then, an anchor cable is installed in the anchor hole, grouting tensioning treatment is conducted, and it should be ensured that the center line of the anchor hole coincides with the central axis of the anchor cable when the anchor cable is installed. According to the tooth pit-containing'serial date pit '-shaped static pressure reaming anchor cable structure, the compactness, the strength, the roughness and the hole wall friction resistance of a rock-soil body of a hole wall of an anchoring section of the anchor cable are improved, meanwhile, dual combination of'date pits' of anchor bars or steel strands and'date pits' of the hole wall is formed, the stress mode of the anchor cable is improved, and the service life of the anchor cable is prolonged. The anchoring force of the anchor cable in soft stratums such as loess, soil-like property, soft soil and part of soft rock is effectively improved, the anchoring engineering scale can be reduced, the energy-saving and environment-friendly characteristics are achieved, manpower, material resources and resources are saved, and the engineering cost is reduced.
本发明公开一种含齿坑“串联枣核”状静压扩孔锚索结构及其施工方法，锚孔机械成孔后，孔内通过扩孔器进行锚固段孔壁扩孔，最终形成总体呈“串联枣核”状，局部含有球状或齿状的挤压坑的锚孔结构，随后在锚孔内安装锚索并进行注浆张拉处理，安装锚索时应确保锚孔中心线与锚索中轴线重合。本发明含齿坑“串联枣核”状静压扩孔锚索结构，提高了锚索锚固段孔壁岩土体密实度、强度、粗糙度和孔壁摩阻力，同时形成了锚筋或钢绞线“枣核”与孔壁“枣核”双重合，改善了锚索受力模式，有效提高了锚索在黄土、类土质、软土和部分软岩等软弱地层中的锚固力，可减小锚固工程规模，具有节能环保的特点，节省了人力、物力和资源，降低工程造价。
Static pressure reaming anchor cable structure containing tooth pits and shaped like date pits connected in series and construction method of static pressure reaming anchor cable structure
一种含齿坑“串联枣核”状静压扩孔锚索结构及其施工方法
ZHENG JING (author) / NIU WENQING (author) / LIAO XIAOPING (author) / WANG ANFU (author)
2024-11-08
Patent
Electronic Resource
Chinese
| European Patent Office | 2015
Anchor hole reaming construction method capable of preventing hole collapse
| European Patent Office | 2023
Construction process of soft soil layer reaming anchor rod
| European Patent Office | 2021
Reaming self-locking type prestressed anti-floating anchor rod construction method
| European Patent Office | 2021
Extensible reaming self-anchoring anchor rod and supporting method thereof
| European Patent Office | 2020