Roadbed reinforcing layer

Abstract

The utility model discloses a roadbed reinforcing layer, and relates to the technical field of road construction, the roadbed reinforcing layer comprises a base plate layer laid between a concrete base layer and a leveling layer, and a plurality of anchor piles embedded in a soil layer at the bottom of a roadbed, a plurality of connecting sleeves are fixedly arranged at the bottom of the base plate layer, and the connecting sleeves correspond to the anchor piles one to one; the connecting sleeves are used for being arranged on the corresponding anchor piles in a sleeving mode, and fixing mechanisms used for fixing the anchor piles are arranged on the connecting sleeves. The method has the effect of improving the stability of the road structure on the soft soil foundation.

Description

Technical Field

[0001] The present application relates to the technical field of road construction, and in particular to a roadbed reinforcement layer. Background Art

[0002] Asphalt pavement is the most widely used high-grade pavement in road construction. Asphalt pavement is a pavement formed by spreading and rolling asphalt concrete. Asphalt concrete is a mixture formed by mixing road asphalt materials with a certain viscosity with mineral aggregates of a certain grade and fully mixing them. Asphalt roads are mainly composed of concrete base, leveling layer, cold plate asphalt concrete bonding layer and asphalt surface layer. Currently, soft soil roadbed is a common roadbed in special areas, mostly distributed along rivers, rivers, ocean coasts, inland lakes, ponds, basins and rainy mountain depressions. The soft soil under the soft soil roadbed has poor stability. When the road is in use, various sections of the road are prone to different degrees of settlement, resulting in cracks in the road surface. Utility Model Content

[0003] In order to increase the stability of the road structure on the soft soil foundation, the present application provides a roadbed reinforcement layer.

[0004] The present application provides a roadbed reinforcement layer, which adopts the following technical solution:

[0005] A roadbed reinforcement layer includes a base layer laid between a concrete base layer and a leveling layer, and a plurality of anchor piles buried in a soil layer at the bottom of the roadbed. A plurality of connecting sleeves are fixedly arranged at the bottom of the base layer. The connecting sleeves correspond to the anchor piles one by one, and the connecting sleeves are used to be sleeved on the corresponding anchor piles. A fixing mechanism for fixing the anchor piles is arranged on the connecting sleeves.

[0006] Optionally, the substrate layer is formed by splicing a plurality of road substrates, each of the road substrates is distributed along the length direction of the road, and a connecting component for connecting two adjacent road substrates is provided between two adjacent road substrates.

[0007] Optionally, the connecting assembly includes a first connecting block, a second connecting block and a fixing member, the first connecting block and the second connecting block are respectively fixedly arranged on both sides of the roadbed plate, the second connecting block is provided with a connecting groove, and the connecting groove is adapted to the first connecting block, and the first connecting block is used to be inserted into the connecting groove on the second connecting block on the adjacent roadbed plate, and the fixing member is used to prevent the first connecting block from detaching from the connecting groove.

[0008] Optionally, the fixing member includes a bolt, the second connecting block is provided with a through hole communicating with the connecting groove, and the first connecting block is provided with a threaded hole matched with the bolt.

[0009] Optionally, the fixing mechanism includes an insert block and a limit assembly, the side wall of the connecting sleeve is provided with an installation opening for the insert block to pass through, the side wall of the anchor pile is provided with an insertion groove for the insert block to be inserted, and the limit assembly is used to prevent the insert block from detaching from the insertion groove of the anchor pile.

[0010] Optionally, the limiting assembly includes a limiting sleeve and an elastic member, the limiting sleeve is slidably mounted on the connecting sleeve, and the elastic member is used to drive the limiting sleeve to slide and cover the installation opening.

[0011] Optionally, a plurality of anchor rods are fixedly provided on the top of the substrate layer, and each of the anchor rods is used to be embedded in the leveling layer.

[0012] Optionally, a plurality of barbs are fixedly provided on the side wall of the anchor pile, and the barbs are used to be embedded in a concrete base layer.

[0013] In summary, the present application includes at least one of the following beneficial technical effects:

[0014] 1. The present application drives anchor piles into the soil layer at the bottom of the soft soil roadbed, and extends the anchor piles into the hard soil layer at the bottom of the soft soil roadbed, then lays a base layer on the top of each anchor pile, and sleeves each connecting sleeve on the corresponding anchor pile, fixes the anchor pile and the corresponding connecting sleeve through a fixing mechanism, and then pours concrete on the base layer and the top of the soft soil foundation to form a concrete base layer, and then constructs a leveling layer, a cold plate asphalt concrete bonding layer and an asphalt surface layer on the base layer in sequence. When the road is in use, the base layer is supported by a number of anchor piles, and the roadbed of the road is reinforced by the base layer, thereby increasing the stability of the road structure on the soft soil foundation.

[0015] 2. The present application facilitates the transportation of the substrate layer by sequentially splicing a plurality of road substrates.

[0016] 3. The present application increases the structural stability of the anchor pile by arranging barbs on the side walls of the anchor pile and embedding the barbs in the concrete base. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a cross-sectional view of the overall structure of an embodiment of the present application;

[0018] Figure 2 is a schematic diagram of the structure of an anchor pile used in an embodiment of the present application;

[0019] Figure 3 is a schematic diagram of the structure of the substrate layer used in the embodiment of the present application;

[0020] Figure 4 It is a structural schematic diagram used to express the connection components in the embodiment of the present application;

[0021] Figure 5 It is a structural schematic diagram used to express the fixing mechanism in an embodiment of the present application;

[0022] Figure 6 yes Figure 5 Magnified view of section A.

[0023] Explanation of the accompanying drawings: 1. substrate layer; 11. road substrate; 12. anchor rod; 13. first connecting block; 14. second connecting block; 141. connecting groove; 15. fixing piece; 2. anchor pile; 21. barb; 22. plug-in groove; 3. connecting sleeve; 31. plug-in block; 32. mounting port; 33. limiting sleeve; 331. limiting block; 34. elastic piece; 35. limiting groove. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-6 This application is described in further detail.

[0025] The present application embodiment discloses a roadbed reinforcement layer. Figure 1 , including a base layer 1 and a number of anchor piles 2 buried in the soil layer at the bottom of the roadbed. When constructing the roadbed on a soft soil foundation, the anchor piles 2 are driven into the soil layer at the bottom of the soft soil roadbed, and the anchor piles 2 are extended to the hard soil layer at the bottom of the soft soil foundation. Then, a steel cage is tied on the top of the soft soil foundation, and the base layer 1 is laid on the top of each anchor pile 2. Then, concrete is poured into the base layer 1 and the top of the soft soil foundation to form a concrete base layer. Finally, a leveling layer, a cold plate asphalt concrete bonding layer and an asphalt surface layer are constructed in sequence on the base layer 1.

[0026] Reference Figure 1 , 2 The side wall of the anchor pile 2 is fixedly provided with a plurality of barbs 21. When the concrete base is under construction, the barbs 21 are embedded in the concrete base, thereby increasing the structural stability of the anchor pile 2 after construction is completed, as well as the structural stability of the concrete base.

[0027] Reference Figure 3 The substrate layer 1 is formed by splicing a plurality of road substrates 11, and each road substrate 11 is distributed along the length direction of the road. A plurality of anchor rods 12 are fixedly arranged on the top of each road substrate 11. When the leveling layer is constructed, each anchor rod 12 is embedded in the leveling layer to increase the structural stability of the substrate layer 1 in the roadbed.

[0028] Reference Figure 3 , 4, and a connecting component for connecting the two adjacent road substrates 11 is provided between the two adjacent road substrates 11, the connecting component includes a first connecting block 13, a second connecting block 14 and a fixing member 15, the first connecting block 13 and the second connecting block 14 are respectively fixedly arranged on both sides of the road substrate 11, and are located on the bottom wall of the road substrate 11, and a connecting groove 141 is opened at the end of the second connecting block 14 away from the first connecting block 13, and the connecting groove 141 is adapted to the first connecting block 13. When each road substrate 11 is spliced, the first connecting block 13 on the road substrate 11 is inserted into the connecting groove 141 on the second connecting block 14 on the adjacent road substrate 11.

[0029] Reference Figure 4 The fixing member 15 includes a bolt, a through hole connected to the connecting groove 141 is opened on the second connecting block 14, and a threaded hole adapted to the bolt is opened on the first connecting block 13. When the first connecting block 13 is fully inserted into the connecting groove 141 on the second connecting block 14, the through hole on the second connecting block 14 is opposite to the threaded hole on the first connecting block 13. Then, the bolt is inserted into the through hole and threadedly matched with the threaded hole on the first connecting block 13 to prevent the first connecting block 13 from detaching from the connecting groove 141 on the second connecting block 14.

[0030] Reference Figure 5 , 6 A plurality of connecting sleeves 3 are fixedly arranged at the bottom of each roadbed plate 11. The axial direction of the connecting sleeve 3 is perpendicular to the roadbed plate 11. The connecting sleeves 3 correspond to the anchor piles 2 one by one, and the connecting sleeves 3 are adapted to the anchor piles 2. When the roadbed plate 11 is installed, each connecting sleeve 3 is respectively sleeved on the corresponding anchor pile 2.

[0031] Reference Figure 6 Each connecting sleeve 3 is provided with a fixing mechanism for fixing the anchor pile 2, the fixing mechanism includes an insert block 31 and a limiting assembly, the side wall of the connecting sleeve 3 is provided with an installation opening 32 for the insert block 31 to pass through, the side wall of the anchor pile 2 is provided with a plug-in groove 22, the insert block 31 is adapted to the plug-in groove 22, the limiting assembly includes a limiting sleeve 33 and an elastic member 34, the limiting sleeve 33 is slidably sleeved on the connecting sleeve 3, the inner side wall of the limiting sleeve 33 is fixedly provided with a limiting block 331, the side wall of the connecting sleeve 3 is provided with a limiting groove 35 along the length direction of the connecting sleeve 3, and the limiting block 331 is slidably set in the limiting groove 35.

[0032] Reference Figure 6The elastic member 34 includes a compression spring, which is arranged in the limiting groove 35. One end of the compression spring abuts against the side wall of the limiting groove 35 close to the road base plate 11, and the other end of the compression spring abuts against the limiting block 331. When the limiting block 331 abuts against the side wall of the limiting groove 35 away from the road base plate 11, the limiting sleeve 33 covers the mounting opening 32. After the connecting sleeve 3 is sleeved on the anchor pile 2, the mounting opening 32 is aligned with the plug-in groove 22 on the side wall of the anchor pile 2. The limiting sleeve 33 is slid to open the mounting opening 32, and the plug-in block 31 is inserted into the mounting opening 32 and the plug-in groove 22. After that, the limiting sleeve 33 is released, and the limiting sleeve 33 closes the mounting opening 32 under the elastic force of the compression spring.

[0033] The implementation principle of a roadbed reinforcement layer in the embodiment of the present application is as follows: anchor piles 2 are driven into the soil layer at the bottom of the soft soil roadbed, and the anchor piles 2 are extended to the hard soil layer at the bottom of the soft soil foundation, and then the steel cage is tied on the top of the soft soil foundation, and then the base layer 1 is laid on the top of each anchor pile 2, and each connecting sleeve 3 is respectively sleeved on the corresponding anchor pile 2. After the connecting sleeve 3 is sleeved on the anchor pile 2, the installation opening 32 is aligned with the plug-in groove 22 of the side wall of the anchor pile 2, the limiting sleeve 33 is slid to open the installation opening 32, and the plug block 31 is inserted into the installation The installation opening 32 and the plug-in slot 22 are then loosened, and the limiting sleeve 33 closes the installation opening 32 under the elastic force of the compression spring, and then concrete is poured onto the substrate layer 1 and the top of the soft soil foundation to form a concrete base layer. Finally, a leveling layer, a cold plate asphalt concrete bonding layer and an asphalt surface layer are sequentially constructed on the substrate layer 1. When the road is in use, the substrate layer 1 is supported by a number of anchor piles 2, and the roadbed of the road is reinforced by the substrate layer 1, thereby increasing the stability of the road structure on the soft soil foundation.

[0034] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A roadbed reinforcement layer, characterized in that: The invention comprises a base layer (1) laid between a concrete base layer and a leveling layer, and a plurality of anchor piles (2) buried in a soil layer at the bottom of a roadbed. A plurality of connecting sleeves (3) are fixedly arranged at the bottom of the base layer (1). The connecting sleeves (3) correspond to the anchor piles (2) one by one, and the connecting sleeves (3) are used to be sleeved on the corresponding anchor piles (2). The connecting sleeves (3) are provided with a fixing mechanism for fixing the anchor piles (2).

2. A roadbed reinforcement layer according to claim 1, characterized in that: The substrate layer (1) is formed by splicing a plurality of road substrates (11), each of the road substrates (11) is distributed along the length direction of the road, and a connecting component for connecting two road substrates (11) is provided between two adjacent road substrates (11).

3. A roadbed reinforcement layer according to claim 2, characterized in that: The connection assembly comprises a first connection block (13), a second connection block (14) and a fixing member (15); the first connection block (13) and the second connection block (14) are respectively fixedly arranged on two sides of a road base plate (11); a connection groove (141) is provided on the second connection block (14), and the connection groove (141) is adapted to the first connection block (13); the first connection block (13) is used to be inserted into the connection groove (141) on the second connection block (14) on the adjacent road base plate (11); and the fixing member (15) is used to prevent the first connection block (13) from being separated from the connection groove (141).

4. A roadbed reinforcement layer according to claim 3, characterized in that: The fixing member (15) comprises a bolt, the second connecting block (14) is provided with a through hole communicating with the connecting groove (141), and the first connecting block (13) is provided with a threaded hole matching the bolt.

5. The roadbed reinforcement layer according to claim 1, characterized in that: The fixing mechanism comprises an insert block (31) and a limiting assembly, the side wall of the connecting sleeve (3) is provided with an installation opening (32) for the insert block (31) to pass through, the side wall of the anchor pile (2) is provided with an insertion groove (22) for the insert block (31) to be inserted, and the limiting assembly is used to prevent the insert block (31) from being separated from the insertion groove (22) of the anchor pile (2).

6. A roadbed reinforcement layer according to claim 5, characterized in that: The limiting assembly comprises a limiting sleeve (33) and an elastic member (34); the limiting sleeve (33) is slidably sleeved on the connecting sleeve (3); and the elastic member (34) is used to drive the limiting sleeve (33) to slide and cover the installation opening (32).

7. The roadbed reinforcement layer according to claim 1, characterized in that: A plurality of anchor rods (12) are fixedly arranged on the top of the substrate layer (1), and each of the anchor rods (12) is used to be embedded in the leveling layer.

8. The roadbed reinforcement layer according to claim 1, characterized in that: The side wall of the anchor pile (2) is fixedly provided with a plurality of barbs (21), and the barbs (21) are used to be embedded in a concrete base layer.

Images