Slope protection earth anchor

Slope protection earth anchor:

1 Mountain slope protection anchorage is divided into two types: soil nailing support slope protection and hanging net grouting slope protection. The soil nacks support area is about 52614m2, and the steel bar of medium 20I level is selected for the soil nacks. The design length of the soil nacks entering the soil layer is 5m, and the depth of the soil nacks into the bedrock is not less than 3m, the aperture of the soil nacks is 100mm, the thickness of the shotcrete surface layer is 150mm, and the strength is not less than C20. The essence of soil nailing support and slope protection is hanging net grouting. The excavation of foundation pit adopts the construction procedure of layered construction from top to bottom. In construction, attention should be paid to the influence of water, and appropriate drainage systems should be set up on the surface and inside the support to dredge surface runoff and surface and underground infiltration water. When the local water flow is large and it is difficult to form holes and shotcrete surface layer on the supporting working surface, the groundwater level should be reduced before construction, and the support construction should be carried out above the groundwater level. Percussion type earth anchor mainly used for the slope protection.

Considering the influence of construction cycle, rainfall, vibration and other environmental factors on the stability of bare soil on the excavation surface of steep slope, support with excavation is adopted to reduce slope deformation. The specific construction scheme is as follows. (1) The construction sequence of hanging net grouting shall be trimming the side slope surface -→ making and installing drainage facilities -→ the first shotcrete -→ arranging soil nail holes -→ nails into holes, installation and grouting -→ placing steel mesh - The second shotcrete -→ health -→ spraying solid slope waterproofing agent. Each part of the process is coordinated in order to ensure the main construction sequence. (2) During slope excavation, attention should be paid to slope smoothness, excavation quality should be controlled, and the appearance of overcut and undercut should be avoided. But before the construction of shotcrete anchor support, it is necessary to smooth the slope and clear the loose. You can choose Antaeus percussion type earth anchor for construction.