CN108589461B

CN108589461B - Hollow model and garden road construction process applying same

Info

Publication number: CN108589461B
Application number: CN201810009024.1A
Authority: CN
Inventors: 项素珍; 刘威
Original assignee: Wenzhou Jiucheng Construction Engineering Co ltd
Current assignee: Wenzhou Jiucheng Construction Engineering Co ltd
Priority date: 2018-01-04
Filing date: 2018-01-04
Publication date: 2020-06-30
Anticipated expiration: 2038-01-04
Also published as: CN108589461A

Abstract

The invention discloses a hollow model and a garden road construction process applying the same, and relates to the technical field of road construction, wherein the hollow model comprises a model body and vertical edges, a supporting structure is arranged in the model body, a cover plate is arranged at the top of the model body, and a limiting hole and a grouting opening are formed in the cover plate; the garden road construction process comprises the following steps: s1, manufacturing a stone unit, inserting stones into the limiting holes of the hollow model, and supporting the bottom of the stones on a supporting structure; cement mortar is injected through the grouting opening, and the cover plate and the hollow model are removed after the cement mortar is solidified; s2, basic processing; s3, laying a cushion layer; s4, paving the road surface, paving fine aggregate concrete on the cushion layer, paving the stone units on the fine aggregate concrete and compacting; by the method of limiting stones in the hollow model and pouring cement mortar, the upper surface of the cement mortar is attached to the lower surface of the cover plate, and accordingly the effect of leveling the upper surface of the cement mortar among the stones is achieved.

Description

Hollow model and garden road construction process applying same

Technical Field

The invention relates to the technical field of road construction, in particular to a hollow model and a garden road construction process applying the hollow model.

Background

Garden roads are the components of gardens and play the roles of organizing space, guiding tourism, traffic contact and providing a place for walking and resting. It is like venation, and connects each scenic spot of garden into a whole. Stones such as cobblestones, broken stones and the like are often used as pavements in garden roads to achieve the attractive effect.

The existing method for paving the garden road comprises the following steps of (1) cleaning a foundation, removing floating soil on the foundation according to a designed height, and paving fine aggregate concrete for leveling; (2) paving a cushion layer, paving a layer of coarse sand on the fine stone concrete, paving cement mortar on the coarse sand, compacting and leveling the cement mortar; (3) filling stone, and manually inlaying the stone into cement mortar; after the cement mortar is solidified, stone and cement mortar are bonded into a whole.

The defects of the prior art are that cement mortar is paved firstly, then stone is embedded into the mortar, the stone protrudes from the upper surface of the cement mortar contacted with the stone in the embedding process, and due to the size difference of the stone, the protruding degree of the cement mortar contacted with the stone is different, so that the stone pavement after construction is uneven on the cement mortar part, and the constructed pavement is not in accordance with the design requirement.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a hollow model for garden road construction, stone is firstly limited in the model through a limiting hole of a cover plate, then cement mortar is poured, so that the upper surface of the cement mortar is attached to the lower surface of the cover plate, the effect of leveling the upper surface of the cement mortar among the stone is realized, and the effect of improving the construction quality is further achieved.

In order to achieve the first purpose, the invention provides the following technical scheme: a hollow model for garden road construction comprises a hollow model body with an opening at the top, wherein a supporting structure for supporting stone materials is arranged on the bottom wall of the model body; a cover plate matched with the cross section of the hollow model is arranged above the hollow model, a plurality of limiting holes penetrating through the cover plate are formed in the cover plate, and the limiting holes are arranged corresponding to the supporting structure; and a grouting opening is additionally arranged on the cover plate and penetrates through the cover plate.

Through the technical scheme, when the hollow building stone is used, the cover plate covers the top of the hollow model, then the building stones are inserted into the limiting holes, the bottom of the building stones is supported on the supporting structure, the building stones are limited, the deviation between the space and the design between the building stones is reduced, and the construction quality is improved. Then pouring cement mortar through the interior of the grouting port phase hollow model until the cement mortar overflows from the grouting port; the method of placing the stone material and pouring the cement mortar is adopted, so that the problem of cement mortar protrusion when the stone material is embedded into the cement mortar is effectively avoided, and the effect of improving the smoothness of the upper surface of the cement mortar in the stone material unit is achieved.

More preferably: the support structure comprises a plurality of bulges arranged on the bottom wall of the model body.

Through above-mentioned technical scheme, during the use, insert spacing hole with the building stones, the bottom of building stones is located bellied top. Due to the presence of the protrusions, the bottom of the stone unit made by the hollow mould is notched. When the stone unit is laid, the stone unit is usually laid on a road surface by using a gelling agent such as mortar or concrete, and after the stone unit with the notch is laid on the mortar or concrete, the mortar or concrete is filled in the notch, so that the connection strength between the stone unit and the mortar or concrete is improved.

More preferably: the supporting structure comprises a steel wire mesh and supporting columns arranged on the steel wire mesh, and the supporting columns are supported on the bottom wall of the model body.

Through the technical scheme, when the stone-supporting type steel wire mesh support is used, stone is inserted into the limiting hole, the stone is supported on the upper surface of the steel wire mesh, then mortar is poured through the grouting opening, and the steel wire mesh and the support columns are arranged inside the finished stone unit. The steel wire mesh has good tensile property, can improve the structural strength of the stone unit, and prolongs the service life of the stone unit.

More preferably: the inner side wall of the model body is provided with a plurality of vertical edges which are arranged at intervals.

Through the technical scheme, when the stone unit is used, the side face of the manufactured stone unit can form a concave-convex shape due to the vertical edges. In the garden road use, when the road surface receives great load or the basis takes place the differential settlement, can take place certain displacement between the building stones unit, and the unsmooth shape on the building stones unit lateral wall can increase the frictional force between the adjacent building stones unit when the building stones unit removes to reduce the displacement of building stones unit, and then reduce warpage, damaged probability because building stones unit displacement causes.

The second purpose of the invention is to provide a garden road construction process.

In order to achieve the second purpose, the invention provides the following technical scheme: a garden road construction process applies the hollow model in the first purpose to carry out construction, and comprises the following steps:

s1, manufacturing a stone unit, inserting stone into the limit hole of the cover plate, and supporting the bottom of the stone on the top of the support structure; cement mortar is injected into the model body through the grouting port, stone units are formed in the model body after the cement mortar is solidified, the cover plate is taken down, and the stone unit model body is taken out;

s2, performing foundation treatment, namely tamping a soil layer;

s3, paving a cushion layer, paving plain concrete and leveling to form the cushion layer;

and S4, paving the road surface, paving fine aggregate concrete on the cushion layer, paving the stone units on the fine aggregate concrete, and compacting.

Adopt above-mentioned setting, prefabricate into the building stones unit with the building stones, the building stones unit can be based on the design and carry out customization in batches in the mill, has shortened the time of site operation greatly. The steps S2-S4 have the following effects that the tamping of the soil layer can reduce the later-stage uneven settlement caused by the pores in the soil layer and reduce the damage of the road surface of the garden road caused by the uneven settlement; the stability of the soil layer is further improved by paving the cushion layer, and cracking of the garden road pavement caused by uneven settlement is reduced; when the road surface is laid, the fine aggregate concrete is paved to be favorable for connection between the stone unit and the cushion layer, and the condition that the stone unit is broken away from the cushion layer to cause damage to the stone unit is reduced.

More preferably: and adding S1-2 between the base layer treatments of S2, setting road protection, lofting according to design, and then building blocks along the side line obtained by lofting to form the road protection.

Adopt above-mentioned setting, in the work progress, the road protection can regard as the template, reduces plain concrete and the condition of fine aggregate concrete towards both sides overflow when laying bed course and road surface and laying. The both sides of general garden road are green planting ground, do the road protection and can reduce the influence to other soil layers in the work progress.

More preferably: before the cushion layer of the S3 is laid, firstly, the fly ash is laid on the soil layer, and cement mortar is poured on the fly ash to form a bottom protective layer.

By adopting the arrangement, the fly ash is fine ash collected from flue gas generated after coal combustion, and is main solid waste discharged by a coal-fired power plant. The coal ash is used for paving the bottom protective layer, so that waste can be utilized, pollution is reduced, and resources are saved. Meanwhile, the fly ash can improve the impermeability and chemical corrosion resistance of hardened cement mortar, improve the overall performance of a bottom protective layer and protect the structure above the bottom protective layer.

More preferably: in the laid mat layer of S3, a part of plain concrete is laid first to form a preset layer, then a carbon fiber cloth is laid on the preset layer, and another part of plain concrete is laid on the carbon fiber cloth to form a final layer.

By adopting the arrangement, the carbon fiber cloth has excellent tensile property, and the carbon fiber cloth is poured in the plain concrete, so that the tensile strength and the shear strength of the cured plain concrete can be improved, the road surface of the garden road is protected, and the damage to the road surface is reduced.

More preferably: in the pavement laying of S4, after the stone units are laid, joint cement mortar is filled in the gaps of the adjacent stone units to form joint filling layers.

Adopt above-mentioned setting, fill cement mortar between adjacent building stones unit and can improve the joint strength between the building stones unit, simultaneously, the colour of caulking cement mortar after solidifying is the same colour with the cement mortar in the building stones unit, does not influence garden road's pleasing to the eye degree.

More preferably: in the basic treatment of S2, firstly, removing the upper humus soil, and then tamping and leveling the soil layer.

By adopting the arrangement, the humus soil is a layer of mixture consisting of rotten plant substances and various organic wastes, and is formed by rotting and fermenting dead branches and residual leaves of trees in surface soil layers in forests for a long time. The humus soil is removed, the overall strength of the soil layer after being tamped can be improved, and the condition that the road surface bulges or sinks due to the fact that gas is generated by fermentation of the humus soil or the quality of the humus soil is reduced in the use process of the garden road is reduced

In conclusion, the invention has the following beneficial effects:

1. the stone materials are limited through the limiting holes, so that the space between the stone materials is more in accordance with the design requirement, and the effect of improving the construction quality is achieved;

2. by means of limiting the stone materials and pouring the mortar, the condition that the cement mortar around the stone materials protrudes is reduced, and the effect of improving the flatness of the cement mortar is achieved;

3. the prefabricated stone units replace stones, so that the construction period is shortened;

4. through setting up the bottom protection layer to set up carbon cloth in the bed course, improved the atress performance of the structure of building stones unit lower part, reached the effect that reduces the road surface damaged condition of garden road because uneven settlement leads to.

Drawings

FIG. 1 is a schematic view of the structure of a hollow mold in example 1;

FIG. 2 is a schematic view of the structure of a hollow mold in example 2;

FIG. 3 is a schematic view showing the construction of a stone unit formed by using the hollow molding in example 1;

FIG. 4 is a schematic view showing the construction of a stone unit formed by using the hollow molding in example 2;

FIG. 5 is a structural view at the time of road guard construction of embodiment 3;

fig. 6 is a sectional view of the garden road of embodiment 3.

In the figure, 1, a model ontology; 11. vertical edges; 2. a protrusion; 3. a cover plate; 31. a limiting hole; 32. a grouting port; 4. a stone unit; 41. a recess; 42. a vertical connecting groove; 5. road protection; 6. piling wood; 7. a thin wire; 8. a foundation; 9. a bottom protective layer; 10. a cushion layer; 101. presetting a layer; 102. carbon fiber cloth; 103. a termination layer; 13. a connecting layer; 14. a gap filling layer; 15. a steel frame; 151. steel wire mesh; 152. a support pillar; 16. and (3) stone.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

Example 1: the utility model provides a cavity model, is including being the model body that the cuboid set up, and model body cavity and open-top set up. Vertical edges are arranged on the inner side wall of the model body, and the vertical edges 11 are distributed uniformly at intervals.

A supporting structure is arranged on the bottom wall of the hollow model 1. The support structure is a projection 2 fixed to the bottom wall of the hollow mould 1, the projection 2 being arranged according to the orientation of the stone 16 under design. The top of the hollow model 1 is provided with a cover plate 3 matched with the section of the hollow model, the cover plate 3 is provided with a round limiting hole 31, and the limiting hole 31 and the bulge 2 are correspondingly arranged. The cover plate 3 is provided with a grouting opening 32 at a position close to the edge, and one side of the grouting opening 32 close to the edge of the cover plate 3 is obliquely arranged so as to facilitate grouting.

The hollow model 1 is made of steel and can be made on site or customized in a factory according to the requirements of site construction. When the steel plate is manufactured on a construction site, the steel plate is welded into a model body, and then the vertical edges 11 are welded on the side wall of the model body. When the hollow model 1 is customized in a factory, the hollow model 1 can be integrally formed, so that the model body, the protrusions 2 and the vertical ribs 11 are integrated, and a proper cover plate 3 is additionally arranged, so that the connectivity and the overall stability of each part are improved.

Example 2, a hollow mold, differs from example 1 only in the support structure. The supporting structure is steelframe 15, and steelframe 15 is including being the wire net 151 that the rectangle set up and welding in the support column 152 on wire net 151, and wire net 151 and support column 152 set up perpendicularly, and wire net 151 is located the middle part of cavity model 1. During the use, on the steelframe 15 was placed and the diapire of model body.

Example 3: a garden road construction process comprises the following steps:

s1, manufacturing a stone unit 4:

s1-1, casting the stone unit 4,

a release agent is coated on the inner wall of the hollow model 1 and one surface of the cover plate 3 opposite to the hollow model 1, the cover plate 3 is covered on the top of the hollow model 1, and the stone 16 is inserted into the limiting hole 31 on the cover plate 3. When the hollow model of embodiment 1 is used, the bottom of the stone 16 is supported on the top of the projection 2; when the hollow mould of example 2 is used, the bottom of the stone 16 is supported on top of the wire mesh 151. And then, filling cement mortar into the hollow model 1 through the grouting opening 32 by using a pumping grouting pipe, and stopping grouting until the cement mortar overflows from the grouting opening 32. According to the initial setting time of cement with different strengths, after the cement mortar is initially set, the cover plate 3 is taken down, the stone unit 4 formed in the hollow model 1 is taken out of the hollow model 1, and the stone unit 4 is maintained until the cement mortar is finally set.

As shown in fig. 3, when the stone unit 4 is manufactured using the hollow mold of embodiment 1, the side and bottom surfaces of the completed stone unit 4 are formed with vertical coupling grooves 42 and notches 41 due to the presence of the vertical ribs 11 and the protrusions 2 on the hollow mold 1, respectively. The process of pouring the stone unit 4 can also be carried out in the factory, and the factory manufactures a large amount of stone units 4 according to different design requirements, and only needs to purchase during construction and then directly uses.

As shown in fig. 4, when the stone unit 4 is manufactured using the hollow mold of embodiment 2, the side of the completed stone unit 4 is formed with vertical coupling grooves 42, and the stone unit 4 internally contains the steel frames 15.

S1-2, setting the road protection 5, as shown in figure 5, lofting on a soil layer according to design, inserting wooden piles 6 on lofting points, and binding the wooden piles 6 by thin lines 7 to form side lines. The road protection 5 is then formed by laying the blocks along the edges of the lofted blocks, and the strings 7 are then untied and the timber piles 6 are removed.

And S2, treating the foundation 8, namely removing the upper humus soil, leveling the soil layer and tamping the soil layer by using a tamping machine to form the foundation 8 as shown in figure 6.

S2-2, pouring the bottom protection layer 9, as shown in figure 3, firstly paving fly ash on a soil layer, and pouring cement mortar on the fly ash to form the bottom protection layer 9.

S3, laying the cushion layer 10, as shown in fig. 6, first laying a part of plain concrete to form a preset layer 101, leveling the preset layer 101, next laying a carbon fiber cloth 102 on the preset layer 101, laying another part of plain concrete on the carbon fiber cloth 102 before the preset layer 101 is solidified to form an end layer 103, and forming the cushion layer 10 together with the carbon fiber cloth 102 after the preset layer 101 and the end layer 103 are solidified.

S4, paving the road surface:

s4-1, preparing filler, and adding 107 glue into the filler cement mortar and mixing uniformly to form the filler, as shown in figure 6. The 107 glue is colorless or yellowish viscous liquid, and the addition of the 107 glue to cement mortar can improve the adhesion of joint filling cement mortar, thereby improving the connection strength between adjacent stone units 4.

S4-2, laying the stone unit 4, as shown in fig. 6, laying fine stone concrete on the mat 10 to form the connection layer 13, and leveling the connection layer 13. Then the stone unit 4 is laid on the connecting layer 13, and the upper surface of the stone unit 4 is hit by a rubber hammer, so that the connecting layer 13 is further compacted, and the connecting strength between the stone unit 4 and the connecting layer 13 is improved. When laying the stone unit 4 close to the road guard 5, the stone unit 4 is cut according to the position of the road guard 5 so that the stone unit 4 is attached to the side wall of the road guard 5. After the stone units 4 are laid, gaps between adjacent stone units 4 are filled with filler to form joint seams 14, and the filler attached to the stone units 4 is scraped off by a scraper.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The hollow model for garden road construction is characterized by comprising a hollow model body (1) with an opening at the top, wherein a supporting structure for supporting stone materials is arranged on the bottom wall of the model body (1); a cover plate (3) matched with the cross section of the hollow model (1) is arranged above the hollow model, a plurality of limiting holes (31) penetrating through the cover plate (3) are formed in the cover plate (3), and the limiting holes (31) are arranged corresponding to the supporting structure; the cover plate (3) is additionally provided with a grouting opening (32), and the grouting opening (32) penetrates through the cover plate (3); the inner side wall of the model body (1) is provided with a plurality of vertical ribs (11), and the vertical ribs (11) are arranged at intervals.

2. A hollow model for garden road construction according to claim 1, characterized in that said supporting structure comprises a plurality of protrusions (2) provided on the bottom wall of said model body (1).

3. The hollow model for garden road construction according to claim 1, wherein the supporting structure comprises a steel wire mesh (151) and supporting columns (152) arranged on the steel wire mesh (151), and the supporting columns (152) are supported on the bottom wall of the model body (1).

4. A garden road construction process, characterized in that the hollow model of claim 1 is applied for construction, comprising the following steps:

s1, manufacturing a stone unit (4), inserting stones (16) into the limiting holes of the cover plate, and supporting the bottom of the stones (16) on the top of the supporting structure; cement mortar is injected into the model body (1) through the grouting opening (32), stone units (4) are formed in the model body (1) after the cement mortar is solidified, the cover plate (3) is taken down, and the stone units (4) are taken out of the model body (1);

s2, processing the foundation (8), and tamping the soil layer;

s3, paving the cushion layer (10), paving plain concrete and leveling to form the cushion layer (10);

and S4, paving the road surface, paving fine aggregate concrete on the cushion layer (10), paving the stone unit (4) on the fine aggregate concrete, and compacting.

5. The garden road construction process according to claim 4, wherein S1-2 is additionally arranged between the base layer treatments of S2, a road protection (5) is arranged, lofting is carried out according to design, and then building blocks are used for building along the side line obtained by lofting to form the road protection (5).

6. The garden road construction process according to claim 4, wherein before the bedding layer (10) of the step S3 is laid, the fly ash is laid on a soil layer, and cement mortar is poured on the fly ash to form the bottom protection layer (9).

7. A garden-road construction process according to claim 4 or 6, characterized in that in the laid mat (10) of S3, a part of plain concrete is laid to form a preset layer (101), then carbon fiber cloth (102) is laid on the preset layer (101), and another part of plain concrete is laid on the carbon fiber cloth (102) to form a final layer (103).

8. A garden road construction process according to claim 4, wherein in the paving of the S4, after the stone units (4) are completely paved, joint cement mortar is filled in the gaps of the adjacent stone units (4) to form joint layers (14).

9. A garden-road construction process, according to claim 4, characterized by that, in the foundation (8) treatment of S2, the upper humus is removed and then the soil layer is tamped and leveled.