Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Interlocking steel pipe pile bedrock inserting and driving construction method
The invention belongs to the technical field of cofferdam construction, and particularly provides a fore shaft steel pipe pile bed rock inserting and driving construction method which comprises the following steps: inserting and driving a first fore shaft steel pipe pile; inserting and driving a temporary steel pipe pile in front of the inserted and driven first locking steel pipe pile; a steel casing is connected and installed in front of the inserted and driven temporary steel pipe pile, and a hole is formed in the installed steel casing; after drilling is completed, clay is backfilled in the steel casing till the target surface is reached; the steel casing and the temporary steel pipe pile are sequentially pulled out, a locking steel pipe pile is inserted in the position where the temporary steel pipe pile is not pulled out, and hole guiding construction of the locking steel pipe pile at the pile position is completed; the steps are repeated to complete hole guiding construction of the pile position of the next locking steel pipe pile, and the problems that under the geological conditions of a thick pebble bed and a rock stratum with high strength, a fishing method and a hole guiding method cannot be directly used for inserting and driving construction of the locking steel pipe pile, and hole collapse is likely to happen are solved; the hole forming quality and the construction efficiency are comprehensively improved, and hole collapse is not prone to occurring in the hole guiding process.
本发明属于围堰施工技术领域，具体提供了一种锁口钢管桩基岩插打施工方法，包括如下步骤：插打首根锁口钢管桩；在已插打的首根锁口钢管桩的前面插打1根临时钢管桩；在已插打的临时钢管桩的前面连接安装钢护筒，在安装好的钢护筒内引孔；待钻孔完成后，在钢护筒内回填黏土至目标面为止；依次拔出钢护筒和临时钢管桩，在拔出前临时钢管桩的位置处插打一根锁口钢管桩，完成该桩位的锁口钢管桩的引孔施工；重复以上步骤完成下一根锁口钢管桩桩位的引孔施工，解决了在厚卵石层和强度较高的岩层地质条件下，无法直接利用钓鱼法和引孔法进行锁扣钢管桩的插打施工，易发生塌孔的问题；本发明全面提高了成孔质量和施工工效，引孔过程中不易塌孔。
Interlocking steel pipe pile bedrock inserting and driving construction method
The invention belongs to the technical field of cofferdam construction, and particularly provides a fore shaft steel pipe pile bed rock inserting and driving construction method which comprises the following steps: inserting and driving a first fore shaft steel pipe pile; inserting and driving a temporary steel pipe pile in front of the inserted and driven first locking steel pipe pile; a steel casing is connected and installed in front of the inserted and driven temporary steel pipe pile, and a hole is formed in the installed steel casing; after drilling is completed, clay is backfilled in the steel casing till the target surface is reached; the steel casing and the temporary steel pipe pile are sequentially pulled out, a locking steel pipe pile is inserted in the position where the temporary steel pipe pile is not pulled out, and hole guiding construction of the locking steel pipe pile at the pile position is completed; the steps are repeated to complete hole guiding construction of the pile position of the next locking steel pipe pile, and the problems that under the geological conditions of a thick pebble bed and a rock stratum with high strength, a fishing method and a hole guiding method cannot be directly used for inserting and driving construction of the locking steel pipe pile, and hole collapse is likely to happen are solved; the hole forming quality and the construction efficiency are comprehensively improved, and hole collapse is not prone to occurring in the hole guiding process.
本发明属于围堰施工技术领域，具体提供了一种锁口钢管桩基岩插打施工方法，包括如下步骤：插打首根锁口钢管桩；在已插打的首根锁口钢管桩的前面插打1根临时钢管桩；在已插打的临时钢管桩的前面连接安装钢护筒，在安装好的钢护筒内引孔；待钻孔完成后，在钢护筒内回填黏土至目标面为止；依次拔出钢护筒和临时钢管桩，在拔出前临时钢管桩的位置处插打一根锁口钢管桩，完成该桩位的锁口钢管桩的引孔施工；重复以上步骤完成下一根锁口钢管桩桩位的引孔施工，解决了在厚卵石层和强度较高的岩层地质条件下，无法直接利用钓鱼法和引孔法进行锁扣钢管桩的插打施工，易发生塌孔的问题；本发明全面提高了成孔质量和施工工效，引孔过程中不易塌孔。
Interlocking steel pipe pile bedrock inserting and driving construction method
一种锁口钢管桩基岩插打施工方法
03.06.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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