CN106400815A - Geofoam backfill structure as well as connecting piece and construction method thereof - Google Patents
Geofoam backfill structure as well as connecting piece and construction method thereof Download PDFInfo
- Publication number
- CN106400815A CN106400815A CN201611009978.XA CN201611009978A CN106400815A CN 106400815 A CN106400815 A CN 106400815A CN 201611009978 A CN201611009978 A CN 201611009978A CN 106400815 A CN106400815 A CN 106400815A
- Authority
- CN
- China
- Prior art keywords
- geofoam
- layer
- connector
- side plate
- construction method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0046—Foams
Abstract
The invention discloses a geofoam backfill structure as well as a connecting piece and a construction method thereof. The structure comprises a pure soil layer, a coarse sand layer, a geofoam layer and surface-layer soil; the geofoam layer comprises multiple layers of stacked geofoam; first connecting pieces with L-shaped sections penetrate through the geofoam at the bottom layer; bottom ends of vertical rods of the first connecting pieces are inserted in the pure soil layer; second connecting pieces are arranged in positions of T-shaped seams of every three adjacent pieces of geofoam at the top layer; third connecting pieces are arranged at two ends of the upper surface of each piece of geofoam in the middle layer; each of the second connecting pieces and the third connecting pieces comprises a rectangular body, and two sides of the body extend outwards to form rectangular side plates; and triangular saw teeth inserted in the surfaces of the geofoam are arranged on peripheral edges of the side plates. The geofoam is light in mass, the problem of settlement can be well solved, the geofoam layer is compact in structure and high in integrity, the construction method is convenient to operate, the construction efficiency is high, and the structure can meet various terrain requirements.
Description
Technical field
The invention belongs to technical field of civil engineering, particularly a kind of Geofoam backfill structure and its connector and its apply
Work method.
Background technology
In the construction of theme park, the situation needing to create height rolling topography can be run into.When needing to make hillside shape
When, smooth ground need a large amount of earthwork dug out, sandstone with other engineering are backfilled.But the existing earthwork, sand
Clitter folds highland out, and it is loosely organized, is easily destroyed.This can bring serious life to visitor in theme park
Life property safety threatens.
Content of the invention
It is an object of the invention to provide a kind of Geofoam backfills structure, its compact conformation, globality is strong, easy construction.
It is a further object of the present invention to provide a kind of Geofoam backfills the connector of structure, its structure is simple, Neng Gouzeng
Strong Geofoam globality, it is to avoid the relative displacement between Geofoam.
Another object of the present invention is the construction method providing a kind of Geofoam to backfill structure, and it is easy to operate, construction
Efficiency high, strong adaptability.
For achieving the above object, the present invention takes technical scheme below：
A kind of Geofoam backfills structure, is followed successively by plain soil layer, coarse sands layer, Geofoam layer and topsoil from the bottom to top
Earth；This Geofoam layer includes the Geofoam that multi-laminate sets, and each Geofoam is cuboid, in the horizontal direction and vertical direction
All fissure of displacement settings；The gross area of each layer of Geofoam successively decreases from the bottom to top successively；
It is equipped with the first L-shaped connector of section inside each Geofoam two ends of the bottom；This first connection
The cross bar of part is located at each Geofoam upper surface, and montant is inserted into bottom element soil layer and is not less than 20cm；
T-shaped seam crossing between top adjacent three Geofoams is equipped with the second connector, this second connector
There is rectangular the first noumenon, this first noumenon both sides stretches out respectively and is provided with the first side plate of rectangle；Each first side plate
Periphery is provided with the triangular sawtooth on the insertion Geofoam surface of pointed end；
Each Geofoam upper surface two ends in intermediate layer are equipped with the 3rd connector, and the 3rd connector has rectangular
Second body of shape, this second body both sides stretches out respectively and is provided with the second side plate of rectangle；Each second side plate periphery interlocks
It is provided with pointed end and the triangular sawtooth on insertion Geofoam surface upwards.
Further, it is provided with non-woven fabrics between described Geofoam layer and described topsoil, by described Geofoam cover
Located at interior.
Further, described Geofoam layer top can be provided with concrete and unload support plate, is applied to below carriageway.
Further, described in described 3rd connector centre distance, the distance on three articles of adjacent sides of Geofoam is equal.
Further, described Geofoam is polystyrene foam, and density is not less than 20kg/m3.
A kind of Geofoam backfills the connector of structure, and described connector has rectangular body, and this body both sides is divided
Do not stretch out and be provided with the side plate of rectangle；Each side plate periphery is provided with the triangular sawtooth of pointed end.
Further, described side plate periphery is additionally provided with the triangular sawtooth of point upward.
A kind of described Geofoam backfills the construction method of structure, and it comprises the following steps：
Ensure the plain soil layer leveling compacting of ground, compactness is more than 95, and then laying 20cm coarse sands layer is levelling；
Bottom Geofoam is laid on coarse sands layer, the fissure of displacement is arranged, and the montant insertion of the first connector is corresponded to
Geofoam and be fixed in plain soil layer；
Intermediate layer Geofoam is laid on bottom Geofoam, the equal fissure of displacement sets with vertical direction in the horizontal direction successively
Put；And the upper surface in each intermediate layer Geofoam installs the 3rd connector, and the triangular sawtooth of the 3rd connector is inserted respectively
Enter adjacent two-layer Geofoam；
In top Geofoam upper surface, the second connector is installed, the triangular sawtooth of the second connector is inserted lower floor
Geofoam；
With topsoil, Geofoam layer is buried and tamp.
Further, it is covered with non-woven fabrics outside described Geofoam layer.
Further, when being applied to below carriageway, concrete unloading is provided with described top Geofoam
Plate.
The invention has the beneficial effects as follows：The Geofoam light weight of the present invention, can solve settlement issues, geotechnique's bubble
Foam layer compact conformation, globality is strong, and its construction method is easy to operate, and efficiency of construction is high, adapts to various landform and requires.
Brief description
Fig. 1 is the structural representation that Geofoam of the present invention backfills structure.
Fig. 2 is the schematic view of the mounting position of the first connector that Geofoam of the present invention backfills structure.
Fig. 3 is the schematic view of the mounting position of the second connector that Geofoam of the present invention backfills structure.
Fig. 4 is the schematic view of the mounting position of the 3rd connector that Geofoam of the present invention backfills structure.
Fig. 5 is the structural representation of the second connector that Geofoam of the present invention backfills structure.
Fig. 6 is the structural representation of the 3rd connector that Geofoam of the present invention backfills structure.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is further described, following examples are only
For clearly technical scheme being described it is impossible to limit the scope of the invention with this.
As shown in figure 1, the present invention provides a kind of Geofoam to backfill structure, it is followed successively by plain soil layer 1, coarse sands layer from the bottom to top
2nd, Geofoam layer 3 and topsoil 4.This Geofoam layer 3 includes the Geofoam 31 that multi-laminate sets.Each Geofoam 31
For cuboid, the equal fissure of displacement setting with vertical direction in the horizontal direction.The gross area of each layer of Geofoam is from the bottom to top successively
Successively decrease.
As shown in Fig. 2 being equipped with the first L-shaped connector of section inside each Geofoam 31 two ends of the bottom
5.The cross bar of this first connector 5 is located at each Geofoam 31 upper surface, and montant is inserted into this plain soil layer 1 and is not less than 20cm.
As shown in Fig. 3, Fig. 5, the T-shaped seam crossing between top adjacent three Geofoams is equipped with the second connector
6, this second connector 6 has rectangular the first noumenon 61, and this first noumenon 61 both sides stretches out respectively and is provided with rectangle
First side plate 62.Each first side plate 62 periphery is provided with the triangular sawtooth 63 on the insertion Geofoam surface of pointed end.
As shown in Fig. 4, Fig. 6, each Geofoam 31 upper surface two ends in intermediate layer are equipped with the 3rd connector 7, excellent
Choosing, the distance on three articles of adjacent sides of this Geofoam 31 of the 3rd connector 7 centre distance is equal.3rd connector 7 has
There is rectangular second body 71, this second body 71 both sides stretches out respectively and is provided with the second side plate 72 of rectangle.Each second
Side plate 72 periphery interlocks and is provided with pointed end and the triangular sawtooth 73 inserting Geofoam surface upwards.
Therefore, the connector of the Geofoam backfill structure of the present invention has rectangular body, and this body both sides is respectively
Stretch out and be provided with the side plate of rectangle, each side plate periphery is provided with the triangular sawtooth vertical with this side plate, each triangular sawtooth
Tip can be downward in the same direction, can also be crisscross arranged upwards downwards.
In order to increase the globality of Geofoam layer further, between this Geofoam layer and this topsoil, it is provided with nonwoven
Cloth, this Geofoam is covered at interior.Non-woven fabrics and plain soil layer 1, all firm fixation of Geofoam layer 3.
The present invention also provides a kind of above-mentioned Geofoam to backfill the construction method of structure, and it comprises the following steps：
Ensure the plain soil layer 1 leveling compacting of ground, compactness is more than 95, and then laying 20cm coarse sands layer 2 is levelling；
Bottom Geofoam is laid on coarse sands layer 2, the fissure of displacement is arranged, and will be right for the montant insertion of the first connector 5
The Geofoam 31 answered simultaneously is fixed in plain soil layer 1；
Intermediate layer Geofoam is laid on bottom Geofoam, the equal fissure of displacement sets with vertical direction in the horizontal direction successively
Put；And the upper surface in each intermediate layer Geofoam installs the 3rd connector 7, by the triangular sawtooth of the 3rd connector 7 respectively
Insert adjacent two-layer Geofoam；
In top Geofoam upper surface, the second connector 6 is installed, under the triangular sawtooth of the second connector 6 is inserted
Layer Geofoam；
With topsoil 4, Geofoam layer 3 is buried and tamp.
It is covered with non-woven fabrics outside this Geofoam layer 3, this Geofoam is covered at interior, to increase geotechnique further
The globality of froth bed 3, non-woven fabrics and plain soil layer 1, all firm fixation of Geofoam layer 3 simultaneously.
On garage's main stem road, due to Geofoam anti-pressure ability limited it is impossible to directly as roadbed use, in this highest
Layer Geofoam is provided with concrete and unloads support plate.
The Geofoam light weight of the present invention, can solve settlement issues, and Geofoam Rotating fields are compact, globality
By force, its construction method is easy to operate, and efficiency of construction is high, adapts to various landform and requires.
The above, be only the preferred forms of the present invention, non-the present invention is imposed any restrictions, every according to the present invention
Technical spirit, to implementing any simple modification, change and the equivalent transformation that are made above, all still falls within technical solution of the present invention
Protection domain in.
Claims (10)
1. a kind of Geofoam backfill structure is it is characterised in that be followed successively by plain soil layer, coarse sands layer, Geofoam layer from the bottom to top
And topsoil；This Geofoam layer includes the Geofoam that multi-laminate sets, and each Geofoam is cuboid, in the horizontal direction
The equal fissure of displacement setting with vertical direction；The gross area of each layer of Geofoam successively decreases from the bottom to top successively；
It is equipped with the first L-shaped connector of section inside each Geofoam two ends of the bottom；This first connector
Cross bar is located at each Geofoam upper surface, and montant is inserted into this plain soil layer and is not less than 20cm；
T-shaped seam crossing between top adjacent three Geofoams is equipped with the second connector, and this second connector has
Rectangular the first noumenon, this first noumenon both sides stretches out respectively and is provided with the first side plate of rectangle；Each first side plate periphery
It is provided with the triangular sawtooth on the insertion Geofoam surface of pointed end；
Each Geofoam upper surface two ends in intermediate layer are equipped with the 3rd connector, and the 3rd connector has rectangular
Second body, this second body both sides stretches out respectively and is provided with the second side plate of rectangle；Each second side plate periphery interlocks and is provided with
Pointed end and the triangular sawtooth on insertion Geofoam surface upwards.
2. Geofoam according to claim 1 backfill structure it is characterised in that：Described Geofoam layer and described top layer
It is provided with non-woven fabrics between soil, described Geofoam is covered at interior.
3. Geofoam according to claim 1 and 2 backfill structure it is characterised in that：Described Geofoam layer top sets
Concrete is had to unload support plate.
4. Geofoam according to claim 3 backfill structure it is characterised in that：Described 3rd connector centre distance institute
The distance stating three adjacent sides of Geofoam is equal.
5. Geofoam according to claim 1 backfill structure it is characterised in that：Described Geofoam steeps for polystyrene
Foam, density is not less than 20kg/m3.
6. a kind of Geofoam backfill structure connector it is characterised in that：Described connector has rectangular body, this
Body both sides stretch out respectively and are provided with the side plate of rectangle；Each side plate periphery is provided with the triangular sawtooth of pointed end.
7. Geofoam according to claim 6 backfill structure connector it is characterised in that：Described side plate periphery also sets
There is the triangular sawtooth of point upward.
8. the Geofoam any one of a kind of claim 1-5 backfills the construction method of structure it is characterised in that it wraps
Include the following step：
Ensure the plain soil layer leveling compacting of ground, compactness is more than 95, and then laying 20cm coarse sands layer is levelling；
Bottom Geofoam is laid on coarse sands layer, the fissure of displacement is arranged, and the montant of the first connector is inserted corresponding soil
Work foam is simultaneously fixed in plain soil layer；
Intermediate layer Geofoam is laid on bottom Geofoam, the equal fissure of displacement setting with vertical direction in the horizontal direction successively；
And the upper surface in each intermediate layer Geofoam installs the 3rd connector, and the triangular sawtooth of the 3rd connector is inserted phase respectively
Adjacent two-layer Geofoam；
In top Geofoam upper surface, the second connector is installed, by the triangular sawtooth insertion lower floor geotechnique of the second connector
Foam；
With topsoil, Geofoam layer is buried and tamp.
9. Geofoam according to claim 8 backfills the construction method of structure it is characterised in that in described Geofoam
Layer is outside to be covered with non-woven fabrics.
10. Geofoam according to claim 9 backfills the construction method of structure it is characterised in that described top
Geofoam is provided with concrete and unloads support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009978.XA CN106400815A (en) | 2016-11-16 | 2016-11-16 | Geofoam backfill structure as well as connecting piece and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611009978.XA CN106400815A (en) | 2016-11-16 | 2016-11-16 | Geofoam backfill structure as well as connecting piece and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106400815A true CN106400815A (en) | 2017-02-15 |
Family
ID=58068295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611009978.XA Pending CN106400815A (en) | 2016-11-16 | 2016-11-16 | Geofoam backfill structure as well as connecting piece and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106400815A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100874276B1 (en) * | 2008-05-06 | 2008-12-16 | 동부엔지니어링 주식회사 | Planting mat for afforestation of inclined plane |
| CN203393861U (en) * | 2013-08-20 | 2014-01-15 | 盛忠章 | External wall thermal insulation structure using EPS (expandable polystyrene) fire-proof plates |
| CN105862575A (en) * | 2016-05-31 | 2016-08-17 | 中国华电科工集团有限公司 | Structure for abutment roadbed and model selection method for structure |
| CN205475260U (en) * | 2016-01-04 | 2016-08-17 | 中国建筑第八工程局有限公司 | Inside has view of connecting filling block and makes slope |
| CN206328763U (en) * | 2016-11-16 | 2017-07-14 | 中冶建筑研究总院有限公司 | A kind of Geofoam backfill structure and its connector |
-
2016
- 2016-11-16 CN CN201611009978.XA patent/CN106400815A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100874276B1 (en) * | 2008-05-06 | 2008-12-16 | 동부엔지니어링 주식회사 | Planting mat for afforestation of inclined plane |
| CN203393861U (en) * | 2013-08-20 | 2014-01-15 | 盛忠章 | External wall thermal insulation structure using EPS (expandable polystyrene) fire-proof plates |
| CN205475260U (en) * | 2016-01-04 | 2016-08-17 | 中国建筑第八工程局有限公司 | Inside has view of connecting filling block and makes slope |
| CN105862575A (en) * | 2016-05-31 | 2016-08-17 | 中国华电科工集团有限公司 | Structure for abutment roadbed and model selection method for structure |
| CN206328763U (en) * | 2016-11-16 | 2017-07-14 | 中冶建筑研究总院有限公司 | A kind of Geofoam backfill structure and its connector |
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Application publication date: 20170215 |
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