CN218894088U - Piece-type inter-pile net-hanging and anchor-spraying enclosure structure - Google Patents

Abstract

The utility model discloses a fragmented type pile hanging net sprayed anchor enclosure structure, which relates to the technical field of construction engineering and includes support piles, crown beams, prestressed anchor cables, transverse thick steel bars, sprayed concrete and soil layers. The support piles include concrete piles and pre-embedded steel mesh sheets in the concrete piles, the vertical steel bars of the steel mesh sheets extend into the crown beam, and the steel mesh sheets are provided with steel bar slots, so The steel mesh sheet is fastened with the thick horizontal steel bar through the steel bar slot, and a prestressed anchor cable is arranged below the top of each of the support piles. The structural strength of the net spray anchor technology has been significantly improved, the mesh shedding rate is lower, and no large equipment is required for installation. The construction process is simple, the project quality is guaranteed, the applicability is strong and durable, and the safety of the foundation pit enclosure structure is guaranteed. .

Description

A Fragmented Pile Hanging Net Spraying and Anchor Envelope Structure

technical field

The utility model relates to the technical field of construction engineering, in particular to a fragmented type pile hanging net spray anchor enclosure structure.

Background technique

The hanging net between conventional support piles mainly adopts non-fixed or only fixed steel mesh in the soil. It is difficult to effectively fix the steel mesh with this kind of soil enclosure between piles, especially when it is rainy. Environment with large soil and high moisture content. Before and after concrete spraying, because the mesh is not firmly fixed, the pieces fall off, causing the sprayed concrete to fall off, and the concrete needs to be sprayed again, resulting in waste. For this reason, here is a fragmented type pile hanging net shotcrete anchor enclosure structure, which can effectively fix the mesh, avoid the falling off of shotcrete, and has great economic benefits.

Utility model content

Technical issues resolved

The purpose of the utility model is to make up for the deficiencies of the prior art, and to provide a piece-type pile hanging net spray anchor enclosure structure.

Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a fragmented type pile hanging net shotcrete anchor enclosure structure, including support piles, crown beams, prestressed anchor cables, transverse thick steel bars, shotcrete and soil layers , the support piles include concrete piles and pre-embedded steel mesh sheets in the concrete piles, the vertical steel bars of the steel mesh sheets extend into the crown beam, and the steel mesh sheets are provided with steel bar slots , the steel mesh sheet is fastened with the transverse thick steel bar through the steel bar slot, and a prestressed anchor cable is provided below the top of each support pile, and the prestressed anchor cable is obliquely anchored in the soil layer downward, so that The peripheral vertical reinforcement of the reinforcement mesh is connected with the prestressed anchor cable by spot welding, and the horizontal thick reinforcement is arranged on the outside of the reinforcement mesh and welded on the prestressed anchor cable. At the same time, the contact point between the horizontal thick reinforcement and the reinforcement mesh is spot welded connection, the shotcrete is sprayed on the surface of the steel mesh.

As mentioned above, the prestressed anchor cables enter the pile body at a certain depth, and a plurality of prestressed anchor cables are arranged along the height direction of the supporting pile.

As mentioned above, the anchorage is fixedly installed on the support pile, and the prestressed anchor cable is anchored on the support pile through the anchorage.

As mentioned above, the transverse thick steel bar is connected to the anchoring steel bar of the prestressed anchor cable by spot welding, and is also connected to the reinforcement mesh by spot welding.

As mentioned above, the outer periphery of the steel mesh sheet and the prestressed anchor cables are also welded with horizontal thick steel bars, and the horizontal steel bars are connected with the vertical steel bars at the outer periphery of the steel mesh sheet by spot welding.

Beneficial effect:

The utility model effectively fixes the mesh, and the construction technology of the piece-hanging-net-type sprayed concrete has significantly improved structural strength compared with the traditional spray-anchor technique of hanging the mesh between piles, and the shedding rate of the mesh is lower, and no large machines are required for installation. The construction process is simple, the engineering quality is guaranteed, the applicability is strong and durable, and the safety of the foundation pit enclosure structure is guaranteed. The utility model has a wide application range, simple construction, safety, efficiency and durability.

Other advantages, objectives and features of the present utility model will be set forth in the following description to some extent, and to some extent, based on the investigation and research below, it will be obvious to those skilled in the art, or can be Get teaching from the practice of the utility model.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the elevation of the overall structure of the utility model;

Fig. 3 is a schematic diagram of the connection between the support pile and the crown beam of the utility model.

In the figure: 1. Support pile; 2. Crown beam; 3. Prestressed anchor cable; 4. Reinforcement mesh; Concrete piles; 10. Steel bar slots.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figures 1-3, the utility model provides a technical solution for a fragmented inter-pile hanging net spray anchor enclosure structure: a fragmented inter pile hanging net spray anchor enclosure structure, including support piles 1, Crown beam 2, prestressed anchor cable 3, transverse thick steel bar 5, shotcrete 6 and soil layer 8, support pile 1 includes concrete pile 9 and steel mesh 4 pre-buried in concrete pile 9, and steel mesh 4 The vertical steel bar extends into the crown beam 2, and the steel mesh sheet 4 is provided with a steel bar slot 10, and the steel mesh sheet 4 is fastened with the horizontal thick steel bar 5 through the steel bar slot 10, and below the top of each support pile 1, there is a Prestressed anchor cable 3, prestressed anchor cable 3 is obliquely anchored downward in the soil layer 8, the peripheral vertical reinforcement of reinforcement mesh 4 is connected with prestressed anchor cable 3 by spot welding, and horizontal thick reinforcement 5 is arranged on the outside of reinforcement mesh 4 , welded on the prestressed anchor cable 3, at the same time, the contact point between the transverse thick steel bar 5 and the steel mesh 4 is connected by spot welding, the shotcrete 6 is sprayed on the surface layer of the steel mesh 4, the prestressed anchor cable 3 enters the pile body to a certain depth, and the prestressed anchor cable 3 enters the pile body to a certain depth. A plurality of stress anchor cables 3 are arranged along the height direction of the support pile 1, and an anchor 7 is fixedly installed on the support pile 1, and the prestressed anchor cable 3 is anchored on the support pile 1 through the anchor 7, and the transverse thick steel bar 5 It is connected with the anchoring reinforcement of the prestressed anchor cable 3 by spot welding, and is also connected with the reinforcement mesh 4 by spot welding.

Construction method steps of the present utility model are:

Step 1: the construction of the supporting piles 1 and the crown beams 2 around the foundation pit project is completed, and after the soil body is excavated to a certain depth, the prestressed anchor cables 3 are laid on the concrete piles 9 .

Step 2: Bind the reinforcement mesh 4 between the support piles 1, the vertical reinforcement around the reinforcement mesh 4 and the prestressed anchor cable 3 are connected by spot welding, and the prestressed anchor cable 3 is anchored to the support pile 1 through the anchor 7 superior.

Step 3: Weld horizontal thick steel bars 5 outside the steel mesh 4 and between the prestressed anchor cables 3 , and connect the horizontal thick steel bars 5 with the vertical steel bars around the mesh 4 by spot welding.

Step 4: Spray concrete with a certain thickness on the reinforcement mesh sheet 4, and continue to excavate the soil after the concrete reaches the design strength.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate directions Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as limiting the present utility model; the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be construed as indicating or implying relative importance. In addition, unless otherwise expressly The terms "fixed", "installed", "connected" and "connected" should be understood in a broad sense, for example, "installed" can be a fixed connection, a detachable connection, or an integrated connection; " "Connection" can be mechanical connection or electrical connection; "connection" can be direct connection, indirect connection through an intermediary, or internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hang net between burst formula stake and spout anchor envelope, includes support stake (1), roof beam (2), prestressed anchorage cable (3), horizontal thick steel bar (5), shotcrete (6) and soil layer (8), its characterized in that: the support pile (1) comprises concrete piles (9) and reinforcing steel bar meshes (4) embedded in the concrete piles (9), vertical reinforcing steel bars of the reinforcing steel bar meshes (4) extend into the crown beams (2), reinforcing steel bar clamping grooves (10) are formed in the reinforcing steel bar meshes (4), the reinforcing steel bar meshes (4) are fastened with transverse thick reinforcing steel bars (5) through the reinforcing steel bar clamping grooves (10), prestressed anchor cables (3) are arranged below the tops of the support piles (1), the prestressed anchor cables (3) are anchored in soil layers (8) obliquely downwards, vertical reinforcing steel bars around the reinforcing steel bar meshes (4) are connected with the prestressed anchor cables (3) in a spot welding mode, the transverse thick reinforcing steel bars (5) are distributed outside the reinforcing steel bar meshes (4) and welded on the prestressed anchor cables (3), contact points of the transverse thick reinforcing steel bars (5) and the reinforcing steel bar meshes (4) are connected through spot welding, and sprayed concrete (6) are sprayed on the surface layers of the reinforcing steel bar meshes (4).

2. The segmented inter-pile screening, bolting and retaining structure according to claim 1, wherein: the prestressed anchor cables (3) enter the pile body to a certain depth, and the prestressed anchor cables (3) are arranged along the height direction of the support pile (1).

3. The segmented inter-pile screening, bolting and retaining structure according to claim 1, wherein: an anchor (7) is fixedly arranged on the support pile (1), and the prestressed anchor cable (3) is anchored on the support pile (1) through the anchor (7).

4. The segmented inter-pile screening, bolting and retaining structure according to claim 1, wherein: the transverse thick steel bars (5) are connected with the anchoring steel bars of the prestressed anchor cable (3) in a spot welding mode, and are also connected with the steel bar net pieces (4) in a spot welding mode.

5. The segmented inter-pile screening, bolting and retaining structure according to claim 1, wherein: and transverse thick steel bars (5) are welded between the periphery of the steel bar net sheet (4) and the prestressed anchor cables (3), and the transverse thick steel bars (5) are in spot welding connection with vertical steel bars at the periphery of the steel bar net sheet (4).

Images