CN211898459U - Concrete slope protection building block with drainage greening function - Google Patents
Concrete slope protection building block with drainage greening function Download PDFInfo
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- CN211898459U CN211898459U CN202020312078.8U CN202020312078U CN211898459U CN 211898459 U CN211898459 U CN 211898459U CN 202020312078 U CN202020312078 U CN 202020312078U CN 211898459 U CN211898459 U CN 211898459U
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Abstract
The utility model discloses a concrete slope protection building block with drainage afforestation function, including building block body, building block body middle part is equipped with vegetation growth and leads to the groove, and vegetation growth is led to and is equipped with the third drainage recess around the groove, is equipped with two T shape tongue-and-grooves and two T shape tenons on four sides of building block body altogether, is equipped with 1T shape tongue-and-groove or 1T shape tenon on every side at least, and the middle part on T shape tongue-and-groove and T shape tenon surface is equipped with the second drainage recess and the first drainage recess that communicate third drainage recess in proper order. The utility model discloses a concrete block has and tightly detains degree good, and adaptability is strong, allows the slope ground to appear after certain extent's differential settlement or frost heaving warp can not unstability destroy, structure materials advantage such as less and pleasing to the eye economy.
Description
Technical Field
The utility model relates to a concrete slope protection building block, especially a concrete slope protection building block with drainage afforestation function.
Background
In the construction process of engineering projects, due to inevitable factors such as terrain, soil texture and hydrological conditions along the line, control over elevation along the line and the like, excavation or filling construction of a roadbed can be generated, and particularly when a high filling deep excavation road section is encountered, corresponding protection measures are required to be taken to ensure the stability of the side slope because the original designed side slope does not have the stability.
In current concrete slope protection building block, hollow hexagonal piece is fast owing to have the construction speed, hollow position is convenient for plant the grass afforestation and construction quality advantage such as control in the middle of the hexagonal piece, at present at the bridgehead conical slope, the hollow hexagonal piece of prefabricated concrete can often be adopted as slope protection structure in road bed excavation and the protection of filling equilateral slope, however, the shortcoming of the hollow hexagonal piece bank protection of current domatic paving lies in mainly relying on the adhesive action of cement mortar between the adjacent slope protection building block, appear inhomogeneous settlement or frost heaving when the slope ground warp destruction and very easily lead to the unstability slumping of slope protection building block, and current concrete slope protection building block lacks the consideration of building block itself in the aspect of domatic drainage on structural design.
Therefore, it is necessary to design a protective structure which can solve the problem of slope drainage, can increase the stability of the slope, is simple and rapid to construct and is suitable for the growth of green vegetation on the slope.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concrete slope protection building block with drainage afforestation function and construction method thereof. The concrete block of the utility model has the characteristics of good fastening degree, strong adaptability, no instability damage after allowing the slope foundation to have a certain range of uneven settlement or frost heaving deformation, less structural material consumption, beautiful appearance and economy; in addition, the method has the characteristics of batch production, high construction speed, short construction period and easiness in ensuring the quality of the building blocks.
The technical scheme of the utility model: the utility model provides a concrete slope protection building block with drainage afforestation function, including block body, block body middle part is equipped with vegetation growth and leads to the groove, vegetation growth leads to the groove around be equipped with the appearance for circular, oval or rhombus third drainage recess, be equipped with two T shape tongue-and-grooves and two T shape tenons altogether on four sides of block body, all be equipped with 1T shape tongue-and-groove or 1T shape tenon on every side, T shape tongue-and-groove and T shape tenon are the assorted structure that each other inlays shape, the middle part on T shape tongue-and-groove and T shape tenon surface is equipped with the second drainage recess and the first drainage recess that communicate third drainage recess in proper order.
In the concrete slope protection building block with the drainage and greening functions, the grouting through groove is formed in the longitudinal end face of the T-shaped tenon.
In the concrete slope protection building block with the drainage greening function, the four corners of the building block body are respectively provided with the arc-shaped sinking platform, and the axis of the arc-shaped sinking platform is provided with the arc-shaped notch penetrating through the bottom of the arc-shaped sinking platform.
The concrete slope protection building block with the drainage greening function is characterized in that the surface between the outer edge of the building block body and the third drainage groove is in a shape of high outside and low inside, and the surface between the third drainage groove and the vegetation growth through groove in the building block body is in a shape of high inside and low outside.
When the concrete slope protection building block with the water drainage and greening functions is constructed, the construction method comprises the following steps:
(1) excavating or filling a side slope: after side slope excavation or filling construction is carried out according to design requirements, firstly determining boundary ranges, control points and datum lines of side slope excavation or filling by combining a total station and a level gauge, and carrying out field lofting by matching steel rods and white cotton lines or adopting a lime spreading mode to determine the number of concrete slope protection blocks needing to be paved in the longitudinal direction and the transverse direction of each level of side slope;
(2) slope surface cleaning: checking whether the excavated or filled and molded side slope has loose soil quality and loose stones and whether the slope has unevenness or not, if the phenomena exist, gradually cleaning the side slope from top to bottom, filling the pit slot part, constructing the convex part in a mode of mainly manually flattening and matching with a small cutting tool to flatten the convex part, and performing replacement filling and tamping treatment on the unstable side slope, wherein overexcavation is forbidden in the side slope treatment process;
(3) paving a sandstone cushion layer: after the slope is cleaned and tamped, a layer of gravel cushion layer with the thickness of 10cm is uniformly paved along the slope;
(4) paving concrete slope protection building blocks: after the prefabricated concrete slope protection building blocks are transported to a construction site, splicing is sequentially and gradually carried out from the slope toe to the slope top direction according to the mutual embedding form of the T-shaped tenon and the T-shaped mortise in the adjacent concrete slope protection building blocks, and the concrete slope protection building blocks are ensured to be tightly attached to the slope surface by means of a rubber hammer tool in the splicing process;
(5) planting green vegetation: a layer of planting nutrient soil suitable for green vegetation growth is laid in the vegetation growth through groove on the building block body, and the green vegetation with developed root system, good landscape effect and high survival rate is planted in the planting nutrient soil;
(6) building a drainage facility for connecting the slope bottom concrete building blocks with the side ditch or the drainage ditch: a water blocking belt is arranged at the bottom of the side slope, water flow from the slope is collected in the water blocking belt and then is intensively discharged into a nearby side ditch or drainage ditch, a concrete slope surface protective layer with the strength grade being more than or equal to C20 is paved between the water blocking belt and the concrete blocks in the row at the bottom of the side slope, and the water flow on the concrete blocks at the bottom of the side slope can be smoothly transited into the water blocking belt without eroding soil at the bottom of the side slope.
In the construction method of the concrete slope protection building block with the drainage and greening functions, the gravel cushion layer in the step (3) is well-graded broken stones, pebbles or gravels, wherein medium sand materials which are good in particle grading, hard in material, free of organic matters such as weed tree roots and the like and contain mud in an amount of less than or equal to 3% are doped; the maximum grain diameter of the sandstone cushion material is less than or equal to 50 mm.
In the construction method of the concrete slope protection building block with the drainage greening function, the gravel cushion layer is laid in the step (3) to ensure that the surface of the gravel cushion layer is smooth and compact.
In the step (4), when the four corners of the block body are respectively provided with the arc-shaped sunken platforms, and the axis of each arc-shaped sunken platform is provided with the arc-shaped notches penetrating through the bottoms of the arc-shaped sunken platforms, the arc-shaped notches at the connecting corners of the spliced concrete slope protection blocks form the circular insertion holes with the circular steps, and the round-head screw-shaped fixing rods are inserted into the circular insertion holes.
In the step (4), a grouting through groove is formed in the longitudinal end face of the T-shaped tenon, cement mortar is poured into the grouting through groove, and the top elevation of the cement mortar is consistent with that of the grouting through groove.
In the construction method of the concrete slope protection building block with the drainage greening function, a water blocking belt is arranged at the concrete slope surface protective layer at the bottom of the side slope in the step (6), water in the water blocking belt flows into the side ditch or the drainage ditch in two ways, and one way is that water in the water blocking belt is communicated with the side ditch or the drainage ditch through a drainage pipe and a two-way drainage pipe joint with a filter screen at one end; and the other is that a water flow outlet is reserved on the water blocking belt, a water discharge open ditch connected with a side ditch or a drainage ditch is dug at the water flow outlet in the water blocking belt, and water in the water blocking belt is guided to the side ditch or the drainage ditch.
The beneficial effects of the utility model
(1) The building block of the utility model can be prefabricated in a factory, can be produced in batch, and has the advantages of fast construction speed, short construction period and easy guarantee of the quality of the slope protection building block compared with a cast-in-place concrete slope protection structure;
(2) the drainage function of the surface of the building block is considered, and the drainage groove is arranged on the building block body, so that the rainwater on the slope can be effectively drained, the using amount of concrete materials can be saved, and the engineering cost can be effectively saved;
(3) the utility model adopts the mutual embedding form of the T-shaped tenon and the T-shaped mortise between the adjacent building blocks to help the concrete slope protection building blocks to form a whole, the concrete slope protection building blocks after construction are better in the ability of adapting to the foundation deformation, and the side slope foundation is allowed to have the advantages of non-uniform settlement or frost heaving deformation in a certain range; meanwhile, circular jacks are formed by circular notches in 4 adjacent slope protection building blocks, and the slope protection effect of the concrete building blocks is further enhanced by inserting the fixing rods into the circular jacks;
(4) the utility model is provided with the grouting through groove and is filled with cement mortar, on one hand, the whole strength between the adjacent building blocks is convenient to be enhanced, so that the building blocks form a whole, on the other hand, the water flow in the drainage groove on the T-shaped tenon is convenient to be stably transited to the drainage groove on the T-shaped mortise of the adjacent building block;
(5) the utility model discloses well concrete slope protection building block body adopts symmetrical structure and building block body to be provided with vegetation growth logical groove on structural design more, treats after green vegetation grows, uses the slope protection structure that this slope protection building block concatenation was built by laying bricks or stones to have the pleasing to the eye effect of afforestation.
Drawings
Fig. 1 is a schematic structural view of the concrete slope protection block body of the present invention when the T-shaped tenon and the T-shaped mortise are adjacently disposed;
FIG. 2 is a partial plane effect diagram after the concrete slope protection building blocks of the utility model are mutually embedded and spliced;
FIG. 3 is a partial plane effect diagram after the concrete slope protection building block of the utility model is constructed;
FIG. 4 is a plan view of the concrete slope protection block body of the present invention in which the T-shaped tenon and the T-shaped mortise are oppositely disposed;
fig. 5 is a schematic structural view of the water flow direction of each region on the surface of the concrete slope protection building block of the utility model;
FIG. 6 is a schematic view of the cross-section structure of the concrete slope protection block after the construction;
fig. 7 is a schematic drainage diagram of the concrete slope protection block side slope bottom structure of the present invention;
fig. 8 is the structure diagram of the assembled drain pipe and two-way drain pipe joint of the present invention.
In the figure: 1-block body, 2-T-shaped tenon, 201-first drainage groove, 202-grouting through groove, 3-third drainage groove, 4-second drainage groove, 5-T-shaped tenon groove, 6-vegetation growth through groove, 7-arc sunken platform, 701-arc notch, 8-circular jack, 9-green vegetation, 10-fixing rod, 11-cement mortar, 12-planting nutrient soil, 13-drainage pipe, 14-two-way drainage pipe joint, 15-concrete slope surface protection layer, 16-water blocking band, 17-side ditch or drainage ditch, 18-drainage open ditch and 19-sandstone cushion layer.
Detailed Description
The present invention will be further described with reference to the following examples, which are not intended as a limitation of the present invention.
Embodiments of the utility model
Example (b): the utility model provides a concrete bank protection building block with drainage afforestation function, as shown in the attached figure 1-8, including building block body 1, building block body 1 middle part is equipped with vegetation growth and leads to groove 6, vegetation growth is led to and is equipped with the appearance around groove 6 and be circular, oval or rhombus third drainage recess 3, be equipped with two T shape tongue-and-groove 5 and two T shape tenon 2 on 1 four sides of building block body altogether, all be equipped with 1T shape tongue-and-groove 5 or 1T shape tenon 2 on every side, T shape tongue-and-groove 5 and T shape tenon 2 are the assorted shape structure of inlaying each other, the middle part on T shape tongue-and-groove 5 and T shape tenon 2 surfaces is equipped with second drainage recess 4 and the first drainage recess 201 that communicates third drainage recess 3 in proper order.
Preferably, a grouting through groove 202 is formed in the longitudinal end face of the T-shaped tenon 2.
Preferably, the four corners of the block body 1 are respectively provided with an arc-shaped sinking platform 7, and the axis of the arc-shaped sinking platform 7 is provided with an arc-shaped notch 701 penetrating through the bottom of the arc-shaped sinking platform 7.
Preferably, the surface between the outer edge of the block body 1 and the third drainage groove 3 is in a shape with a high outer part and a low inner part, and the surface between the third drainage groove 3 and the vegetation growth through groove 6 in the block body 1 is in a shape with a high inner part and a low outer part (as shown in fig. 5, setting the surface between the outer edge of the block body 1 and the third drainage groove 3 in a shape with a high outer part and a low inner part helps water in the A, B, C, D area in the block body 1 to flow into the third drainage groove, and setting the surface between the third drainage groove 3 and the vegetation growth through groove 6 in the block body 1 in a shape with a high inner part and a low outer part helps water in the E area in the block body 1 to flow into the third drainage groove).
The construction method comprises the following steps:
(1) excavating or filling a side slope: after side slope excavation or filling construction is carried out according to design requirements, firstly determining boundary ranges, control points and datum lines of side slope excavation or filling by combining a total station and a level gauge, and carrying out field lofting by matching steel rods and white cotton lines or adopting a lime spreading mode to determine the number of concrete slope protection blocks needing to be paved in the longitudinal direction and the transverse direction of each level of side slope;
(2) slope surface cleaning: checking whether the excavated or filled and molded side slope has loose soil quality and loose stones and whether the slope has unevenness or not, if the phenomena exist, gradually cleaning the side slope from top to bottom, filling the pit slot part, constructing the convex part in a mode of mainly manually flattening and matching with a small cutting tool to flatten the convex part, and performing replacement filling and tamping treatment on the unstable side slope, wherein overexcavation is forbidden in the side slope treatment process;
(3) paving a sandstone cushion layer: after the slope is cleaned and tamped, a layer of gravel cushion 19 with the thickness of 10cm is uniformly paved along the slope; the gravel cushion layer 19 is preferably made of medium sand materials which are good in particle gradation, hard in material, free of organic matters such as weed roots and the like and contain mud in an amount of less than or equal to 3% and are doped into well-graded broken stones, pebbles or gravels, the maximum particle size of the gravel materials is less than or equal to 50mm, the surface of the gravel cushion layer 19 is guaranteed to be flat and compact during laying, the laying of the gravel cushion layer 19 is beneficial to providing a flat and solid slope foundation for laying concrete slope protection building blocks, and the uniform stress of soil bodies and concrete slope protection cushion blocks after a slope is guaranteed;
(4) paving concrete slope protection building blocks: after the prefabricated concrete slope protection building blocks are transported to a construction site, splicing is sequentially and gradually carried out from a slope toe to a slope top direction according to the mutual embedding form of the T-shaped tenon 2 and the T-shaped mortise 5 in the adjacent concrete slope protection building blocks, in the splicing process, the close fitting of the concrete slope protection building blocks and a slope surface is ensured by means of a rubber hammer tool, a round-head screw-shaped fixing rod 10 is inserted into a round jack 8 with a circular step in the spliced concrete slope protection building blocks, then cement mortar 11 is poured into the grouting through groove 202, and the top elevation of the cement mortar 11 is consistent with the top elevation of the grouting through groove 202; the diameter of the preferred body of the fixed rod 10 is matched with the inner diameter of the circular jack 8 with the circular step, the size of the circular cap at the top end of the rod body of the fixed rod 10 is preferably matched with the circular step, and the length of the fixed rod 10 can be prefabricated to be matched with the size according to the protection requirements of different slope bodies; the cement mortar with the strength grade of more than or equal to M7.5 is preferably selected; the concrete slope protection building block is preferably made of cement concrete with the strength grade of more than or equal to C20;
(5) planting green vegetation: after the cement mortar 11 in the grouting through groove 202 is solidified and hardened and the strength after curing meets the design requirements, a layer of planting nutrient soil 12 suitable for the growth of green vegetation is laid in the vegetation growth through groove 6 on the block body 1, and the green vegetation 9 with developed root system, good landscape effect and high survival rate is planted in the soil;
(6) building a drainage facility for connecting the slope bottom concrete building blocks with the side ditch or the drainage ditch: the water flow on the side slope can flow to the bottom of the side slope along the drainage groove on the concrete slope protection building block, in order to facilitate the collection of the water flow at the bottom of the side slope and the uniform discharge to the side ditch or drainage ditch 17 near the side slope, the utility model discloses build a water blocking belt 16 on the concrete with the preferred strength grade of the bottom of the side slope being more than or equal to C20, or adopt the cement mortar with the preferred strength grade of the bottom of the side slope being more than or equal to M7.5 to build a row of concrete prefabricated water blocking blocks with the strength grade of being more than or equal to C20 as the water blocking belt 16, collect the water flow from the slope in the water blocking belt 16 after the drainage open ditch 18 of connecting the side ditch or drainage ditch 17 is excavated or the two-way drainage pipe composed of the drainage pipe 13 and the two-way drainage pipe joint 14 with; the concrete size of the water-blocking belt 16 constructed by concrete or the concrete-grouted prefabricated water-blocking block constructed water-blocking belt 16 needs to be designed by combining the local rainfall condition; block and pave the domatic protective layer 15 of concrete that one deck intensity grade is greater than or equal to C20 between 16 and the one row of concrete block in side slope bottom the below, the rivers on the side slope bottom concrete block of being convenient for steadily transition to block in the water area 16 and do not erode the slope end soil body, the utility model discloses in, the drainage facility that the slope end set up is applicable to the drainage of the slope protection platform of excavation or filling in grades equally.
The above, only do the utility model discloses create the embodiment of preferred, nevertheless the utility model discloses the protection scope of creation is not limited to this, and any technical personnel who is familiar with this technical field are in the utility model discloses create the technical scope of disclosure, according to the utility model discloses technical scheme and the utility model design that creates of the utility model are equivalent replacement or change, all should be covered within the protection scope of creation of the utility model.
Claims (4)
1. The utility model provides a concrete bank protection building block with drainage afforestation function which characterized in that: including building block body (1), building block body (1) middle part is equipped with vegetation growth and leads to groove (6), vegetation growth is led to and is equipped with the appearance around groove (6) and be circular, oval or rhombus third drainage recess (3), be equipped with two T shape tongue-and-groove (5) and two T shape tenon (2) altogether on four sides of building block body (1), all be equipped with 1T shape tongue-and-groove (5) or 1T shape tenon (2) on every side, T shape tongue-and-groove (5) and T shape tenon (2) are assorted and each other inlay shape structure, the middle part on T shape tongue-and-groove (5) and T shape tenon (2) surface is equipped with second drainage recess (4) and first drainage recess (201) of intercommunication third drainage recess (3) in proper order.
2. The concrete slope protection block with a drainage greening function according to claim 1, wherein: and a grouting through groove (202) is formed in the longitudinal end face of the T-shaped tenon (2).
3. The concrete slope protection block with a drainage greening function according to claim 1, wherein: arc-shaped sinking platforms (7) are respectively arranged at four corners of the building block body (1), and arc-shaped notches (701) penetrating through the bottoms of the arc-shaped sinking platforms (7) are arranged at the axes of the arc-shaped sinking platforms (7).
4. The concrete slope protection block with a drainage greening function according to claim 1, wherein: the surface between the outer edge of the building block body (1) and the third drainage groove (3) is in a shape of high outside and low inside, and the surface between the third drainage groove (3) and the vegetation growth through groove (6) in the building block body (1) is in a shape of high inside and low outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312078.8U CN211898459U (en) | 2020-03-13 | 2020-03-13 | Concrete slope protection building block with drainage greening function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020312078.8U CN211898459U (en) | 2020-03-13 | 2020-03-13 | Concrete slope protection building block with drainage greening function |
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| CN211898459U true CN211898459U (en) | 2020-11-10 |
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| CN202020312078.8U Active CN211898459U (en) | 2020-03-13 | 2020-03-13 | Concrete slope protection building block with drainage greening function |
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