Grout rubble retaining wall structure
By using ultra-high performance mortar layer and layered cast stone concrete in the retaining wall, combined with anti-cracking, reinforcement and drainage structure, the problems of poor construction difficulty and water permeability of traditional retaining walls are solved, and efficient and economical barriers are achieved The construction of earthen walls has improved the integrity and aesthetic effect.
Patent Information
- Application Number
- CN202420788091.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-16
AI Technical Summary
Traditional mortar stone retaining walls have high cost, difficult to control construction quality, and slow speed. Ordinary concrete retaining walls are prone to cracks, poor water permeability, and poor aesthetic effect.
Using ultra-high performance mortar layer as the surface layer, cast stone concrete layer in layers, and anti-cracking, reinforcement and drainage structures are set up in the structure, including expansion joints, anchors, drainage holes, gravel filter layers and U-shaped steel bars to form Retaining wall with strong integrity and good water permeability.
It improves the integrity and protection capabilities of retaining walls, enhances construction efficiency and quality, solves the problem of erosion-resistant stone concrete, and has good economic benefits.
Smart Images
Figure CN222140113U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bridge engineering, and in particular relates to a mortar-laid slab stone retaining wall structure. Background Art
[0002] In the design and construction of retaining wall structures, the traditional method of using mortar-laid rubble retaining walls can effectively reduce the speed and impact of water flow and protect the stability of the slope; at the same time, it has a bright and diverse appearance, which can beautify the surrounding landscape and improve the quality of the landscape in the environment of urban greening and park construction. It has the advantages of beautiful appearance, stable structure, good permeability, etc. However, there are also some problems, such as high cost, inability to mechanically construct, difficult to control construction quality, and slow construction speed.
[0003] In recent years, ordinary concrete retaining walls have been widely used. They have the advantages of good integrity, high strength, mechanized construction, and short construction period, but they also have disadvantages such as easy cracking, poor erosion resistance, poor water permeability, and poor aesthetics. First of all, due to factors such as the shrinkage of concrete itself and temperature changes, ordinary concrete retaining walls are prone to cracks, which affects the stability and water resistance of the wall; in addition, ordinary concrete retaining walls have poor water permeability and cannot quickly drain rainwater and groundwater, which easily causes water accumulation and leakage in the lower part of the wall. Utility Model Content
[0004] The utility model aims to provide a mortar-laid rubble stone retaining wall structure to solve the above problems.
[0005] To achieve the above purpose, the utility model provides the following solutions:
[0006] A mortar-laid rubble retaining wall structure comprises a plurality of retaining structures embedded in the slope surface of a slope, wherein the plurality of retaining structures are arranged along the length direction of the slope, an anti-cracking structure is arranged between two adjacent retaining structures, the retaining structure comprises an ultra-high performance mortar layer arranged on an outer layer, an inner wall of a hollow structure of the ultra-high performance mortar layer is provided with a reinforcement structure, the ultra-high performance mortar layer is filled with a rubble concrete structure, a step structure is provided on a side of the ultra-high performance mortar layer close to the high end of the slope, backfill soil is filled between the ultra-high performance mortar layer and the high end of the slope, and a drainage structure is provided on the step structure.
[0007] Preferably, the rubble concrete structure includes a plurality of rubble concrete layers filled in the ultra-high performance mortar layer, the plurality of rubble concrete layers are arranged along the height direction of the ultra-high performance mortar layer, a plurality of anchor rods are penetrated in the rubble concrete layer, the plurality of anchor rods are arranged at equal intervals along the length direction of the rubble concrete layer, and both ends of the anchor rods respectively pass through opposite sides of the ultra-high performance mortar layer.
[0008] Preferably, the anti-cracking structure comprises an expansion joint, wherein the expansion joint is provided between two adjacent ultra-high performance mortar layers, and the expansion joint is arranged along the height direction of the ultra-high performance mortar layers.
[0009] Preferably, the reinforcement structure includes an ultra-high performance mortar partition fixedly connected to the inner bottom wall of the ultra-high performance mortar layer, the ultra-high performance mortar partition is adapted to the inner bottom wall of the ultra-high performance mortar layer, and a through hole is opened in the middle of the ultra-high performance mortar partition.
[0010] Preferably, the drainage structure includes a plurality of drainage hole groups, which are arranged along the height direction of the ultra-high performance mortar layer, and the drainage hole group is located between two adjacent slab stone concrete layers. The drainage hole group includes a plurality of drainage holes, and the plurality of drainage holes are arranged at equal intervals along the length direction of the slab stone concrete layer. Both ends of the drainage holes respectively pass through the opposite sides of the ultra-high performance mortar layer, a crushed stone filter layer is provided on the side of the drainage holes close to the slope, and a drainage ditch is provided on the side of the ultra-high performance mortar layer away from the slope, and a plurality of the drainage holes are connected to the drainage ditch.
[0011] Preferably, a plurality of geotextiles are laid on the top surface of the slope, an overlap is provided between two adjacent geotextiles, a plurality of U-shaped steel bars are fixedly connected to the overlap, the plurality of U-shaped steel bars are rigidly arranged along the length of the overlap, and the width of the overlap is not less than 10 cm.
[0012] Preferably, the outer side wall of the ultra-high performance mortar layer is fixedly connected with a lattice beam, a side of the lattice beam away from the slope is provided with a plurality of spaces, the plurality of spaces are arranged in an array, and the anchor rod is located between four adjacent spaces.
[0013] Preferably, the rubble concrete layer comprises a plurality of mortar-laid rubbles, and ordinary concrete is filled between two adjacent mortar-laid rubbles.
[0014] Preferably, the slope is provided with a plurality of stepped surfaces, and the backfill soil is filled between the ultra-high performance mortar layer and the plurality of stepped surfaces.
[0015] Compared with the prior art, the utility model has the following advantages and technical effects:
[0016] The mortar-laid rubble retaining wall structure of the utility model adopts ultra-high performance mortar as the surface layer to form a retaining wall formwork with a certain strength. The main structure is layered with rubble concrete, which not only makes the structure have good integrity and high strength, effectively improves the protection capability, but also can effectively improve the construction efficiency and construction quality, solves the problem that rubble concrete is not resistant to scouring, and has good economic benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:
[0018] Figure 1 This is a schematic diagram of the overall structure of the mortar-laid rubble stone retaining wall of the utility model;
[0019] Figure 2 This is a schematic diagram of the vertical structure of the mortar-laid rubble stone retaining wall of the utility model;
[0020] Figure 3 This is a schematic diagram of the plan structure of the mortar-laid rubble stone retaining wall of the utility model;
[0021] Figure 4 This is a schematic diagram of the utility model of flaked stone concrete;
[0022] Figure 5 It is a schematic diagram of the lattice beam of the utility model;
[0023] Figure 6 It is a schematic diagram of the transverse partition of the utility model;
[0024] Figure 7 It is a schematic diagram of U-shaped steel bar.
[0025] Among them, 1. Slope; 2. Ultra-high performance mortar layer; 3. Flame concrete layer; 4. Lattice beam; 5. Anchor rod; 6. Drainage hole; 7. Drainage ditch; 8. Gravel filter layer; 9. Geotextile; 10. Expansion joint; 11. U-shaped steel bar; 201. Ultra-high performance mortar partition; 301. Mortared flaking stone; 302. Ordinary concrete. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0028] Reference Figures 1 to 7As shown, the utility model provides a mortar-laid rubble retaining wall structure, including a plurality of retaining structures embedded in the slope surface of a slope body 1, the plurality of retaining structures are arranged along the length direction of the slope body 1, an anti-cracking structure is arranged between two adjacent retaining structures, the retaining structure includes an ultra-high performance mortar layer 2 arranged on the outer layer, the inner wall of the hollow structure of the ultra-high performance mortar layer 2 is provided with a reinforcement structure, the ultra-high performance mortar layer 2 is filled with a rubble concrete structure, a step structure is provided on the side of the ultra-high performance mortar layer 2 close to the high end of the slope body 1, backfill soil is filled between the ultra-high performance mortar layer 2 and the high end of the slope body 1, and a drainage structure is provided on the step structure.
[0029] The mortar-laid rubble retaining wall structure of the utility model adopts ultra-high performance mortar as the surface layer to form a retaining wall formwork with a certain strength. The main structure is layered with rubble concrete, which not only makes the structure have good integrity and high strength, effectively improves the protection capability, but also can effectively improve the construction efficiency and construction quality, solves the problem that rubble concrete is not resistant to scouring, and has good economic benefits.
[0030] A further optimization scheme is that the rubble concrete structure includes a plurality of rubble concrete layers 3 filled in the ultra-high performance mortar layer 2, the plurality of rubble concrete layers 3 are arranged along the height direction of the ultra-high performance mortar layer 2, a plurality of anchor rods 5 are penetrated in the rubble concrete layer 3, the plurality of anchor rods 5 are arranged at equal intervals along the length direction of the rubble concrete layer 3, and both ends of the anchor rods 5 respectively pass through the opposite sides of the ultra-high performance mortar layer 2.
[0031] The 2-3m layered rubble concrete layer 3 is generally consistent with the arrangement of the drainage holes 6, which can improve the construction speed and quality and save construction costs.
[0032] According to a further optimization scheme, the anti-cracking structure includes an expansion joint 10 , which is opened between two adjacent ultra-high performance mortar layers 2 , and the expansion joint 10 is arranged along the height direction of the ultra-high performance mortar layer 2 .
[0033] The expansion joint 10 is filled with asphalt hemp.
[0034] According to a further optimization scheme, the reinforcement structure includes an ultra-high performance mortar partition 201 fixed to the inner bottom wall of the ultra-high performance mortar layer 2, the ultra-high performance mortar partition 201 is adapted to the inner bottom wall of the ultra-high performance mortar layer 2, and a through hole is opened in the middle of the ultra-high performance mortar partition 201.
[0035] A through hole is provided in the middle of the ultra-high performance mortar partition 201, so that the slab concrete can flow through each other, thereby enhancing the integrity between the slab concrete. The through hole is filled with ultra-high performance mortar, which has the advantages of high strength, excellent durability and bonding performance. In particular, ultra-high performance mortar 201 can effectively reduce the cracking problem and water seepage risk in the structure compared to ordinary concrete.
[0036] A further optimized solution is provided, wherein the drainage structure comprises a plurality of drainage hole groups, wherein the plurality of drainage hole groups are arranged along the height direction of the ultra-high performance mortar layer 2, the drainage hole groups are located between two adjacent slab stone concrete layers 3, the drainage hole groups comprise a plurality of drainage holes 6, the plurality of drainage holes 6 are arranged at equal intervals along the length direction of the slab stone concrete layer 3, the two ends of the drainage holes 6 respectively penetrate the opposite sides of the ultra-high performance mortar layer 2, a crushed stone filter layer 8 is provided on the side of the drainage holes 6 close to the slope 1, a drainage ditch 7 is provided on the side of the ultra-high performance mortar layer 2 away from the slope 1, and the plurality of drainage holes 6 are connected to the drainage ditch 7.
[0037] The drainage ditch 7 is far away from the retaining wall, and the backfill soil is compacted at the retaining wall connection section to avoid the scouring of the retaining wall by rainwater and the problem of hollowing and collapse caused by soil erosion caused by rainwater infiltration; to prevent the drainage channel from being blocked, a crushed stone filter layer 8 is arranged at the water inlet of the drainage hole 6 for filtration.
[0038] The drainage holes 6 are circular holes with a diameter of 10 cm, arranged in a plum blossom shape with a spacing of 2m to 3m. At the same time, the lowest row of drainage holes 6 should be 0.3m above the ground line.
[0039] A further optimized solution is that a plurality of geotextiles 9 are laid on the top surface of the slope 1, an overlap is provided between two adjacent geotextiles 9, a plurality of U-shaped steel bars 11 are fixedly connected to the overlap, the plurality of U-shaped steel bars 11 are rigidly provided along the length of the overlap, and the width of the overlap is not less than 10 cm.
[0040] According to a further optimization scheme, the outer wall of the ultra-high performance mortar layer 2 is fixedly connected with a lattice beam 4, a side of the lattice beam 4 away from the slope 1 is provided with a plurality of spaces, the plurality of spaces are arranged in an array, and the anchor rods 5 are located between four adjacent spaces.
[0041] According to a further optimized solution, the rubble concrete layer 3 includes a plurality of mortar-laid rubbles 301 , and ordinary concrete 302 is filled between two adjacent mortar-laid rubbles 301 .
[0042] According to a further optimization scheme, the slope 1 is provided with a plurality of stepped surfaces, and backfill soil is filled between the ultra-high performance mortar layer 2 and the plurality of stepped surfaces.
[0043] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0044] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A mortar-laid rubble retaining wall structure, characterized in that: The invention comprises a plurality of retaining structures embedded in the slope surface of a slope body (1), wherein the plurality of retaining structures are arranged along the length direction of the slope body (1), an anti-cracking structure is arranged between two adjacent retaining structures, the retaining structure comprises an ultra-high performance mortar layer (2) arranged on the outer layer, the inner wall of the hollow structure of the ultra-high performance mortar layer (2) is provided with a reinforcement structure, the ultra-high performance mortar layer (2) is filled with a slab concrete structure, a step structure is arranged on one side of the ultra-high performance mortar layer (2) close to the high end of the slope body (1), backfill soil is filled between the ultra-high performance mortar layer (2) and the high end of the slope body (1), and a drainage structure is arranged on the step structure.
2. A mortar-laid rubble retaining wall structure according to claim 1, characterized in that: The slab concrete structure comprises a plurality of slab concrete layers (3) filled in the ultra-high performance mortar layer (2), the plurality of slab concrete layers (3) being arranged along the height direction of the ultra-high performance mortar layer (2), a plurality of anchor rods (5) being inserted into the slab concrete layer (3), the plurality of anchor rods (5) being arranged at equal intervals along the length direction of the slab concrete layer (3), and the two ends of the anchor rods (5) respectively passing through opposite sides of the ultra-high performance mortar layer (2).
3. The mortar-laid rubble retaining wall structure according to claim 1, characterized in that: The anti-cracking structure comprises an expansion joint (10), wherein the expansion joint (10) is provided between two adjacent ultra-high performance mortar layers (2), and the expansion joint (10) is arranged along the height direction of the ultra-high performance mortar layers (2).
4. A mortar-laid rubble retaining wall structure according to claim 2, characterized in that: The reinforcement structure comprises an ultra-high performance mortar partition (201) fixedly connected to the inner bottom wall of the ultra-high performance mortar layer (2), the ultra-high performance mortar partition (201) is adapted to the inner bottom wall of the ultra-high performance mortar layer (2), and a through hole is opened in the middle of the ultra-high performance mortar partition (201).
5. The mortar-laid rubble retaining wall structure according to claim 2, characterized in that: The drainage structure comprises a plurality of drainage hole groups, the plurality of drainage hole groups are arranged along the height direction of the ultra-high performance mortar layer (2), the drainage hole groups are located between two adjacent slab concrete layers (3), the drainage hole groups comprise a plurality of drainage holes (6), the plurality of drainage holes (6) are arranged at equal intervals along the length direction of the slab concrete layer (3), the two ends of the drainage holes (6) respectively penetrate two opposite sides of the ultra-high performance mortar layer (2), a crushed stone filter layer (8) is arranged on a side of the drainage hole (6) close to the slope body (1), a drainage ditch (7) is arranged on a side of the ultra-high performance mortar layer (2) away from the slope body (1), and the plurality of drainage holes (6) are connected to the drainage ditch (7).
6. The mortar-laid rubble retaining wall structure according to claim 1, characterized in that: A plurality of geotextiles (9) are laid on the top surface of the slope (1), an overlap is provided between two adjacent geotextiles (9), a plurality of U-shaped steel bars (11) are fixedly connected to the overlap, the plurality of U-shaped steel bars (11) are rigidly arranged along the length of the overlap, and the width of the overlap is not less than 10 cm.
7. The mortar-laid rubble retaining wall structure according to claim 2, characterized in that: The outer side wall of the ultra-high performance mortar layer (2) is fixedly connected with a lattice beam (4), and a side of the lattice beam (4) away from the slope (1) is provided with a plurality of spaces, the plurality of spaces are arranged in an array, and the anchor rods (5) are located between four adjacent spaces.
8. The mortar-laid rubble retaining wall structure according to claim 2, characterized in that: The rubble concrete layer (3) comprises a plurality of mortar-laid rubbles (301), and ordinary concrete (302) is filled between two adjacent mortar-laid rubbles (301).
9. The mortar-laid rubble retaining wall structure according to claim 1, characterized in that: The slope (1) is provided with a plurality of stepped surfaces, and the backfill soil is filled between the ultra-high performance mortar layer (2) and the plurality of stepped surfaces.