Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Cast-in-situ bored pile hole wall protection system and method
The invention discloses a cast-in-situ bored pile hole wall protection system and method.The wall protection system comprises a plurality of pile holes excavated in a soil foundation at intervals, a supporting barrel is assembled in each pile hole and extends into the pile hole along with drilling of a drilling machine, the lower end of each supporting barrel is 45-76 cm away from the bottom of the corresponding pile hole, and the upper end of each supporting barrel extends out of an upper end opening of the corresponding pile hole; an upper pressing sleeve is assembled at the upper end of each supporting barrel and inserted into a soil foundation at the upper end of a pile hole, the upper end of each supporting barrel is connected with an annular pipe, the annular pipes are communicated with the bottom of the pile hole through the supporting barrels, and the annular pipes on the supporting barrels are communicated with a main drainage pipe. According to the method, a drilling machine is used for drilling a soil foundation, and the supporting cylinder is lowered into a drilled pile hole synchronously, so that the purpose of supporting the inner wall of the pile hole in real time is achieved. According to the cast-in-place pile, the situations of falling off, collapsing and the like of the hole wall of the pile hole are avoided, accumulated water in the pile hole can be effectively drained, and the quality and strength of the formed cast-in-place pile are improved. The method is suitable for the technical field of cast-in-place pile construction.
本发明公开了一种钻孔灌注桩桩孔护壁系统及方法，护壁系统包括间隔开挖于土基上的多个桩孔，于各桩孔内装配有支护筒，且支护筒随钻机的钻进而伸入到桩孔内，支护筒的下端距桩孔孔底45‑76cm，支护筒的上端伸出桩孔上端口，于支护筒的上端装配有上压套，上压套插入到桩孔上端的土基内，各支护筒的上端连接有环形管，环形管经支护筒与桩孔底部连通，且各支护筒上的环形管与排水总管连通；方法是通过钻机对土基进行钻孔，并同步地将支护筒下放至所钻取的桩孔内，以实现对桩孔内壁实时支护的目的。本发明避免了桩孔的孔壁发生脱落、坍塌等情况，并能够将桩孔内的积水有效排除，提高了成型后的灌注桩的质量及强度。本发明适用于灌注桩施工的技术领域。
Cast-in-situ bored pile hole wall protection system and method
The invention discloses a cast-in-situ bored pile hole wall protection system and method.The wall protection system comprises a plurality of pile holes excavated in a soil foundation at intervals, a supporting barrel is assembled in each pile hole and extends into the pile hole along with drilling of a drilling machine, the lower end of each supporting barrel is 45-76 cm away from the bottom of the corresponding pile hole, and the upper end of each supporting barrel extends out of an upper end opening of the corresponding pile hole; an upper pressing sleeve is assembled at the upper end of each supporting barrel and inserted into a soil foundation at the upper end of a pile hole, the upper end of each supporting barrel is connected with an annular pipe, the annular pipes are communicated with the bottom of the pile hole through the supporting barrels, and the annular pipes on the supporting barrels are communicated with a main drainage pipe. According to the method, a drilling machine is used for drilling a soil foundation, and the supporting cylinder is lowered into a drilled pile hole synchronously, so that the purpose of supporting the inner wall of the pile hole in real time is achieved. According to the cast-in-place pile, the situations of falling off, collapsing and the like of the hole wall of the pile hole are avoided, accumulated water in the pile hole can be effectively drained, and the quality and strength of the formed cast-in-place pile are improved. The method is suitable for the technical field of cast-in-place pile construction.
本发明公开了一种钻孔灌注桩桩孔护壁系统及方法，护壁系统包括间隔开挖于土基上的多个桩孔，于各桩孔内装配有支护筒，且支护筒随钻机的钻进而伸入到桩孔内，支护筒的下端距桩孔孔底45‑76cm，支护筒的上端伸出桩孔上端口，于支护筒的上端装配有上压套，上压套插入到桩孔上端的土基内，各支护筒的上端连接有环形管，环形管经支护筒与桩孔底部连通，且各支护筒上的环形管与排水总管连通；方法是通过钻机对土基进行钻孔，并同步地将支护筒下放至所钻取的桩孔内，以实现对桩孔内壁实时支护的目的。本发明避免了桩孔的孔壁发生脱落、坍塌等情况，并能够将桩孔内的积水有效排除，提高了成型后的灌注桩的质量及强度。本发明适用于灌注桩施工的技术领域。
Cast-in-situ bored pile hole wall protection system and method
一种钻孔灌注桩桩孔护壁系统及方法
JIA CHUNYA (Autor:in) / LI MINGJUN (Autor:in) / XIAO CANYUN (Autor:in) / XIA WEIYANG (Autor:in) / XIE LEI (Autor:in) / LI JIEHAO (Autor:in)
26.03.2024
Patent
Elektronische Ressource
Chinesisch
Cast-in-situ bored pile hole cleaning device and method
| Europäisches Patentamt | 2021