A kind of pouring device and pouring method for soil nail wall

Abstract

The application discloses a soil nailing wall pouring device and a pouring method, which relate to the technical field of soil nailing walls. It includes a vehicle frame and a support arm arranged on the vehicle frame. An adjustment assembly for adjusting the height of the support arm and adjusting the inclination angle of the support arm; the support arm is provided with a first support seat and a second support seat, and the first support seat and the second support seat are symmetrically arranged on the length direction of the support arm Both ends; between the first support seat and the second support seat, there is a centering cylinder that slides along the length direction of the support arm, and the centering cylinder is used to plug in the soil nail hole pre-opened on the soil nail wall. The axis of the centering cylinder is provided with a first through hole for the penetration of soil nails along the length direction of the centering cylinder. The application can realize the concrete pouring to the soil nail channel while the soil nail is installed and centered, thereby improving the uniformity of the thickness of the soil nail protective layer.

Description

technical field [0001] The present application relates to the field of soil nail wall technology, in particular to a soil nail wall pouring device and a pouring method. Background technique [0002] At present, most of the support of soil nail walls still need to use soil nails as the main force-bearing components. Ensuring the uniformity of the protective layer thickness of the soil nail in the hole is one of the important factors to ensure that the force of the soil nail meets the design requirements. [0003] The existing Chinese patent document with the notification number CN202482875U discloses a soil nail wall foundation pit slope support structure, including the foundation pit slope, and the side wall of the foundation pit slope is drilled with several rows extending into the foundation pit slope The hole in the hole is drilled with soil nails, and the outside of the soil nails is poured with concrete. Welding, the outer shotcrete layer of the reinforcement mesh she...

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Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that there are the following defects: during the construction process, the construction personnel first put the soil nails into the holes in the slope of the foundation pit, and then pour concrete into the holes, but the soil nails directly During the process of inserting the hole, the distance between the soil nail and the inner wall of the hole is not easy to control, and it is easy to make the thickness of the protective layer poured by the soil nail in the hole uneven, so that the force of the soil nail after pouring cannot meet the design requirements

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