Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Side wall grouting construction method and device for drilling protection wall of easily-collapsed stratum
The invention relates to the technical field of pile hole construction equipment, in particular to a side wall grouting construction method and device for a drilling protection wall of an easily-collapsed stratum. The grouting device comprises an inner cylinder, and an upper sealing air bag, a grouting air bag and a lower sealing air bag are sequentially arranged along the outer wall of the innercylinder from top to bottom; and a grouting pipe, a first inflation and deflation pipe, a second inflation and deflation pipe and a third inflation and deflation pipe are vertically arranged in the inner cylinder, the grouting pipe sequentially penetrates through the inner cylinder and the grouting air bag, a grout outlet hole is formed in the outer wall of the grouting air bag, and the first inflation and deflation pipe, the second inflation and deflation pipe and the third inflation and deflation pipe communicate with the sealing air bag, the grouting air bag and the lower sealing air bag correspondingly. The problems that a traditional method for preventing hole wall collapse is large in investment and high in cost are solved.
本发明涉及桩孔施工设备技术领域，具体涉及一种用于易坍塌地层钻孔护壁的侧壁注浆工法和装置，该注浆装置包括内圆筒，沿内圆筒的外壁从上至下依次设置有上密封气囊、注浆气囊和下密封气囊，内圆筒内竖向设有注浆管、第一充放气管、第二充放气管和第三充放气管，注浆管依次贯穿内圆筒和注浆气囊，并在注浆气囊的外壁形成出浆液孔，第一充放气管、第二充放气管和第三充放气管分别与密封气囊、注浆气囊和下密封气囊相连通。解决传统的方法对孔壁坍塌的预防存在投资较大、成本较高的问题。
Side wall grouting construction method and device for drilling protection wall of easily-collapsed stratum
The invention relates to the technical field of pile hole construction equipment, in particular to a side wall grouting construction method and device for a drilling protection wall of an easily-collapsed stratum. The grouting device comprises an inner cylinder, and an upper sealing air bag, a grouting air bag and a lower sealing air bag are sequentially arranged along the outer wall of the innercylinder from top to bottom; and a grouting pipe, a first inflation and deflation pipe, a second inflation and deflation pipe and a third inflation and deflation pipe are vertically arranged in the inner cylinder, the grouting pipe sequentially penetrates through the inner cylinder and the grouting air bag, a grout outlet hole is formed in the outer wall of the grouting air bag, and the first inflation and deflation pipe, the second inflation and deflation pipe and the third inflation and deflation pipe communicate with the sealing air bag, the grouting air bag and the lower sealing air bag correspondingly. The problems that a traditional method for preventing hole wall collapse is large in investment and high in cost are solved.
本发明涉及桩孔施工设备技术领域，具体涉及一种用于易坍塌地层钻孔护壁的侧壁注浆工法和装置，该注浆装置包括内圆筒，沿内圆筒的外壁从上至下依次设置有上密封气囊、注浆气囊和下密封气囊，内圆筒内竖向设有注浆管、第一充放气管、第二充放气管和第三充放气管，注浆管依次贯穿内圆筒和注浆气囊，并在注浆气囊的外壁形成出浆液孔，第一充放气管、第二充放气管和第三充放气管分别与密封气囊、注浆气囊和下密封气囊相连通。解决传统的方法对孔壁坍塌的预防存在投资较大、成本较高的问题。
Side wall grouting construction method and device for drilling protection wall of easily-collapsed stratum
一种用于易坍塌地层钻孔护壁的侧壁注浆工法和装置
ZHANG RUIJIE (Autor:in) / YAN LEI (Autor:in)
04.12.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
Grouting process for fractured and easily collapsed stratum of hard rock
| Europäisches Patentamt | 2023
Europäisches Patentamt | 2023
Construction method suitable for drilling holes in easily-collapsed covering layer
| Europäisches Patentamt | 2023
Strong weathered rock stratum grouting steel pipe foundation retaining wall construction method
| Europäisches Patentamt | 2025
| Europäisches Patentamt | 2021