Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method suitable for manual hole digging foundation of gravel foundation
The invention relates to the technical field of electric power foundation construction, aims to solve the problem that a pit wall of a gravel foundation excavation foundation pit is easy to collapse, and provides a construction method suitable for a gravel foundation manual hole digging foundation, and the construction method comprises the following steps: S1, processing a self-propelled hollow anchor rod, and forming a slurry outlet hole in the length direction of the anchor rod; s2, a circle of self-propelled hollow anchor rods are implanted into the outer side of the foundation pit to be excavated; s3, pressure grouting treatment is conducted on the broken stone of the pit wall from all the anchor rods through pressure grouting equipment, and the broken stone foundation is reinforced; s4, the foundation pit is excavated, stirrups are installed in the pit in the excavation process, and the stirrups are bound with the anchor rods in the circumferential direction; s5, after the foundation pit is excavated to the designed depth, foundation steel bars are bound, and then foundation concrete is poured; by adopting the advanced support technology, the gravel foundation is subjected to grouting reinforcement treatment in advance, the digging difficulty and the construction risk are reduced, the foundation bearing capacity is increased, the construction period is shortened, and the construction cost is reduced.
本发明涉及电力基础施工技术领域，旨在解决碎石地基开挖基坑坑壁容易垮塌等问题，提供一种适用于碎石地基人工挖孔基础的施工方法，包括以下步骤：S1、加工自进式中空锚杆，并沿锚杆杆长方向上开设出浆孔；S2、在拟开挖的基坑外侧植入一圈自进式中空锚杆；S3、通过压力注浆设备从各个锚杆对坑壁碎石进行压力灌浆处理，对碎石地基进行加固；S4、基坑掏挖，并在开挖的过程中在坑内安装箍筋，将其与周向上的各个锚杆进行绑扎；S5、基坑掏挖至设计深度后绑扎基础钢筋，然后浇筑基础混凝土；本发明通过采用超前支护技术，提前对碎石地基进行灌浆加固处理，降低了掏挖难度和施工风险，增加了基础承载力，缩短了工期，降低了施工成本。
Construction method suitable for manual hole digging foundation of gravel foundation
The invention relates to the technical field of electric power foundation construction, aims to solve the problem that a pit wall of a gravel foundation excavation foundation pit is easy to collapse, and provides a construction method suitable for a gravel foundation manual hole digging foundation, and the construction method comprises the following steps: S1, processing a self-propelled hollow anchor rod, and forming a slurry outlet hole in the length direction of the anchor rod; s2, a circle of self-propelled hollow anchor rods are implanted into the outer side of the foundation pit to be excavated; s3, pressure grouting treatment is conducted on the broken stone of the pit wall from all the anchor rods through pressure grouting equipment, and the broken stone foundation is reinforced; s4, the foundation pit is excavated, stirrups are installed in the pit in the excavation process, and the stirrups are bound with the anchor rods in the circumferential direction; s5, after the foundation pit is excavated to the designed depth, foundation steel bars are bound, and then foundation concrete is poured; by adopting the advanced support technology, the gravel foundation is subjected to grouting reinforcement treatment in advance, the digging difficulty and the construction risk are reduced, the foundation bearing capacity is increased, the construction period is shortened, and the construction cost is reduced.
本发明涉及电力基础施工技术领域，旨在解决碎石地基开挖基坑坑壁容易垮塌等问题，提供一种适用于碎石地基人工挖孔基础的施工方法，包括以下步骤：S1、加工自进式中空锚杆，并沿锚杆杆长方向上开设出浆孔；S2、在拟开挖的基坑外侧植入一圈自进式中空锚杆；S3、通过压力注浆设备从各个锚杆对坑壁碎石进行压力灌浆处理，对碎石地基进行加固；S4、基坑掏挖，并在开挖的过程中在坑内安装箍筋，将其与周向上的各个锚杆进行绑扎；S5、基坑掏挖至设计深度后绑扎基础钢筋，然后浇筑基础混凝土；本发明通过采用超前支护技术，提前对碎石地基进行灌浆加固处理，降低了掏挖难度和施工风险，增加了基础承载力，缩短了工期，降低了施工成本。
Construction method suitable for manual hole digging foundation of gravel foundation
一种适用于碎石地基人工挖孔基础的施工方法
LIAO XINGJUN (Autor:in) / HUANG XING (Autor:in) / GU LIANGYU (Autor:in) / PU FAN (Autor:in) / HAN DAGANG (Autor:in) / LIU XIANGYUN (Autor:in) / LI YUBING (Autor:in) / LIU HONGCHANG (Autor:in) / LI ZHONG (Autor:in) / GONG TAO (Autor:in)
23.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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