Highway slope drainage anchor rod frame beam

Abstract

The utility model discloses a highway side slope drainage anchor rod frame beam, including crossbeam, longitudinal beam, transverse water intercepting rib, vertical water intercepting rib, drainage wedge and anchor rod, crossbeam and longitudinal beam perpendicular each other and form the grid frame beam main body fixed on the highway side slope, transverse water intercepting rib sets up on the crossbeam upper surface, and along crossbeam length direction extension, with crossbeam is integrative pouring and forms structure, vertical water intercepting rib sets up on the longitudinal beam upper surface, and along longitudinal beam length direction extension, with longitudinal beam is integrative pouring and forms structure, drainage wedge sets up in the higher side of crossbeam, and anchor rod one end anchors in the inside of side slope, and the other end passes through longitudinal beam and is fixed with longitudinal beam, and anchor rod along the grid edge of frame beam main body evenly distributes. This anchor rod frame beam structure, utilizes water intercepting rib and drainage wedge cooperation high -efficient drainage, can exclude the water in the frame, the surface precipitation on the frame beam body and part from the platform and scatter to the surface water in the frame beam body range, combines anchor rod steady support, effectively promotes the drainage capacity of anchoring side slope, strengthens its stability, guarantees the highway traffic safety.

Description

Technical Field

[0001] This utility model relates to the field of highway slope protection, specifically to a highway slope drainage anchor frame beam. Background Technology

[0002] In highway slope protection engineering, anchored grid beam structures are a common and effective protection method. They enhance slope stability and prevent geological disasters such as landslides and collapses through the anchoring effect of anchor bolts and the supporting effect of grid beams. However, a significant problem with traditional highway slope anchored grid beam technology is that drainage is not possible on the slope surface inside the anchor bolt anchorage.

[0003] During the flood season, rainfall increases significantly, and rainwater infiltrates along the slope surface. Because traditional anchored girder systems lack effective drainage channels, rainwater accumulates inside. As moisture seeps in and accumulates, the physical and mechanical properties of the soil change, its shear strength decreases, and the bond between the soil and the anchors / girder weakens. This can easily lead to hollowing out within the anchored girder, causing it to lose some support and potentially triggering shallow landslides. Once a shallow landslide occurs, the crossbeams become suspended, unable to perform their reinforcement function, severely impacting the overall reinforcement effect of the girder and potentially causing the slope protection project to fail, posing a serious threat to the safe operation of the highway.

[0004] Furthermore, during severe rainstorms, the flow of rainwater on the slope increases dramatically. Traditional drainage methods mainly rely on steps or rapid flow channels for centralized drainage, but these methods can easily become ineffective under heavy rainfall. Prolonged retention of rainwater on the slope not only exacerbates soil erosion but also increases the risk of water accumulation within the anchor beams, further impacting slope stability.

[0005] Therefore, developing a drainage-type frame beam structure that can effectively solve the problem of drainage on the slope inside the anchor bolt anchoring and at the same time alleviate the concentrated drainage pressure on the slope during heavy rainstorms is of great practical significance. Utility Model Content

[0006] To address the aforementioned problems, this utility model aims to provide a drainage anchor frame beam for highway slopes.

[0007] To achieve this technical objective, the present invention provides a drainage anchor frame beam for highway slopes, comprising a crossbeam, a longitudinal beam, transverse water-cutting ribs, vertical water-cutting ribs, a drainage wedge, and an anchor.

[0008] The crossbeams and longitudinal beams intersect each other perpendicularly to form a grid-like frame beam body. Both the crossbeams and longitudinal beams are cast in place and fixed to the roadside slope.

[0009] The transverse water-cutting ribs are provided on the upper surface of the beam and extend along the length of the beam.

[0010] The vertical water-cutting ribs are provided on the upper surface of the longitudinal beam and extend along the length of the longitudinal beam;

[0011] The drainage wedge is set on one side of the crossbeam. One end of the anchor rod is anchored inside the slope, and the other end passes through the longitudinal beam and is fixed to the longitudinal beam. The anchor rods are evenly distributed along the grid edge of the frame beam body.

[0012] Preferably, the transverse water-blocking rib is located at the higher end of the crossbeam, and the drainage wedge is located on the side away from the water-blocking rib. The drainage wedge is a wedge-shaped structure that is narrower at the top and wider at the bottom.

[0013] Preferably, the anchor bolt is a full-length bonded anchor bolt, and the anchor bolt is provided with positioning steel bars.

[0014] Preferably, the crossbeam is provided with expansion joints evenly distributed along its transverse direction, and the filling depth of the expansion joints should be the same as the exposed height of the crossbeam.

[0015] Preferably, the drainage wedge, vertical water-cutting ribs, and horizontal water-cutting ribs are C30 concrete structures.

[0016] Preferably, the crossbeam is inclined at an angle of 3°-5° to the horizontal line.

[0017] The beneficial effects of this utility model are as follows: This anchored frame beam structure utilizes the combination of water-cutting ribs and drainage wedges for efficient drainage, which can remove accumulated water within the frame, surface precipitation falling on the beam body, and some surface water that is dispersed from the platform into the beam body. Combined with the stable support of the anchor bolts, it effectively improves the drainage capacity of the anchored slope, enhances its stability, and ensures safe passage on the highway. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a cross-sectional view of the crossbeam in this utility model;

[0020] Figure 3 for Figure 2 Large detail drawing of A in the middle;

[0021] Figure 4 This is a cross-sectional view of the longitudinal beam in this utility model;

[0022] Figure 5 This is a schematic diagram of the longitudinal beam in this utility model.

[0023] In the diagram: 1. Horizontal beam; 2. Longitudinal beam; 3. Horizontal water-cutting ribs; 4. Vertical water-cutting ribs; 5. Drainage wedge; 6. Anchor bolt. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. To provide a clear and complete description of the technical solution, the following embodiments are selected for illustration; these embodiments are only some embodiments of the present invention; other embodiments obtained based on this application without creative effort are all within the scope of protection of the present invention.

[0025] In the following embodiments, it should be noted that the terms "upper," "lower," "left," "right," "inner," "outer," "top / bottom," etc., are all based on the orientation or positional relationship shown in the accompanying drawings and are only for the purpose of clearly describing this embodiment. They do not indicate or imply that the device or element referred to must have a specific orientation, and therefore should not be construed as a limitation of this application. At the same time, the terms "first" and "second" in the embodiments are only used for descriptive purposes and do not represent an indication or implication of relative importance.

[0026] like Figure 1-5 As shown in the figure, a specific embodiment of the present invention provides a highway slope drainage anchor 6 frame beam, mainly composed of components such as a horizontal beam 1, a longitudinal beam 2, transverse water-cutting ribs 3, vertical water-cutting ribs 4, a drainage wedge 5, and an anchor 6. The horizontal beam 1 and the longitudinal beam 2 intersect perpendicularly to form a grid-like frame beam body. Both the horizontal beam 1 and the longitudinal beam 2 are cast and fixed to the highway slope. The transverse water-cutting ribs 3 are located on the upper surface of the horizontal beam 1, extending along the length of the horizontal beam 1, and are integrally cast with the horizontal beam 1. The vertical water-cutting ribs 4 are located on the upper surface of the longitudinal beam 2, extending along the length of the longitudinal beam 2, and are integrally cast with the longitudinal beam 2. Preferably, the horizontal beam 1 is inclined at a 3°-5° angle to the horizontal line, which helps the water flow smoothly and reduces the erosion of the slope by accumulated water.

[0027] In this design, the drainage wedge 5 is positioned on one side of the crossbeam 1, while one end of the anchor rod 6 is anchored inside the slope. The anchor rod 6 is preferably inclined at a 20°-30° angle to the horizontal line, and the other end of the anchor rod 6 passes through the longitudinal beam 2 and is fixed thereto. The anchor rods 6 are evenly distributed along the grid edge of the frame beam body, providing stable support for the entire structure.

[0028] In a preferred embodiment of this solution, the transverse water-blocking rib 3 is disposed at one end of the crossbeam 1, and the drainage wedge is disposed on the higher side away from the water-blocking rib. The drainage wedge is a wedge-shaped structure that is narrow at the top and wide at the bottom, which helps to better guide the water flow. The drainage wedge 5 is preferably inclined at a 10° angle to the horizontal line.

[0029] The specific construction process of this plan is as follows: According to the design requirements and the transverse drainage needs of the frame beam, the lines are laid out using a string line and leveling. The drilling rig is accurately positioned strictly according to the designed hole positions, inclination angles, and azimuths. Angle measuring instruments are used to control the angles; the inclination error of the drilling rig guide rail should not exceed ±1°, and the azimuth error should not exceed ±2°. The hole depth of anchor rod 6 must not be less than the design value, and should be over-drilled by 50cm. Anchor rod 6 has a 0.5m length reserved for welding to the reinforcing bars inside the frame beam, and positioning reinforcing bars are welded at 1.5m intervals. The positioning grouting pipe for anchor rod 6 must be accurately installed, firmly tied, and should penetrate 5-10cm into the bottom of anchor rod 6 to ensure grout return from the bottom of the hole.

[0030] For anchor bolt 6 grouting, use pure cement grout with a water-cement ratio of 0.4-0.5 (specific parameters to be prepared by a third-party laboratory). The bottom-up grouting method must be used (grouting pressure is generally around 0.4-0.6 MPa) until fresh grout overflows from the borehole opening. After the grout recedes, perform 2-3 additional grouting operations within 30 minutes.

[0031] Based on the location of anchor bolt 6, the dimensions of the main frame beam structure, and the drainage requirements of the slope frame beam, the layout was carried out according to the design requirements and the longitudinal slope of the platform / road surface. The frame beam trench was excavated, and the frame beam reinforcement was tied at the trench location. Formwork was erected, and C30 concrete was poured to form the main frame beam structure (horizontal and longitudinal beams). After the main frame beam structure was completed, to facilitate construction, the subsequent frame beam drainage wedges 5, vertical water-cutting ribs 4, and horizontal water-cutting ribs 3 were also poured with C30 concrete on the formwork foundation. The concrete work was carried out after the main frame beam structure had cured. A concrete mix design test must be conducted before concrete construction, and mixing must be strictly carried out according to the mix design. PO42.5 ordinary Portland cement and suitable medium-coarse sand, gravel, and water should be used.

[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any minor modifications, equivalent substitutions and improvements made to the above embodiments based on the technical essence of the present utility model should be included within the protection scope of the technical solution of the present utility model.

Claims

1. A highway slope drainage anchor frame beam, characterized in that: It includes crossbeams, longitudinal beams, transverse water-cutting ribs, vertical water-cutting ribs, drainage wedges, and anchor bolts; The crossbeams and longitudinal beams intersect perpendicularly to form a grid-like frame beam main body, which is fixed on the highway slope. The transverse water-cutting ribs are provided on the upper surface of the beam and extend along the length of the beam. The vertical water-cutting ribs are provided on the upper surface of the longitudinal beam and extend along the length of the longitudinal beam; The drainage wedge is set on the relatively high side of the crossbeam. One end of the anchor rod is anchored inside the slope, and the other end passes through the longitudinal beam and is fixed to the longitudinal beam. The anchor rods are evenly distributed along the grid edge of the frame beam body.

2. The highway slope drainage anchor frame beam according to claim 1, characterized in that: The transverse water-blocking rib is set at one end of the crossbeam, and the drainage wedge is set on the side away from the water-blocking rib. The drainage wedge is a wedge-shaped structure that is narrow at the top and wide at the bottom.

3. The highway slope drainage anchor frame beam according to claim 2, characterized in that: The anchor bolt is a full-length bonded anchor bolt, and the anchor bolt is equipped with positioning steel bars.

4. The highway slope drainage anchor frame beam according to claim 3, characterized in that: The crossbeam is provided with expansion joints evenly distributed along its transverse direction, and the filling depth of the expansion joints should be the same as the exposed height of the crossbeam.

5. The highway slope drainage anchor frame beam according to any one of claims 1-4, characterized in that: The horizontal beams, vertical beams, drainage wedges, vertical water-cutting ribs, and horizontal water-cutting ribs are all made of C30 concrete.

6. The highway slope drainage anchor frame beam according to any one of claims 1-4, characterized in that: The crossbeam is inclined at an angle of 3°-5° to the horizontal line.

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