CN208009450U - A kind of prestressed soil nailing assembled supporting construction - Google Patents
A kind of prestressed soil nailing assembled supporting construction Download PDFInfo
- Publication number
- CN208009450U CN208009450U CN201820278051.4U CN201820278051U CN208009450U CN 208009450 U CN208009450 U CN 208009450U CN 201820278051 U CN201820278051 U CN 201820278051U CN 208009450 U CN208009450 U CN 208009450U
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- China
- Prior art keywords
- soil nailing
- mesh sheet
- batten
- prestressed
- supporting construction
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Abstract
The utility model discloses a kind of prestressed soil nailing assembled supporting construction.Its key points of the technical solution are that including the recyclable mesh sheet of polylith and Duo Gen prestressed soil nailings；In the prestressed soil nailing implantation slope surface；The recyclable mesh sheet is detachably secured to the ailhead that prestressed soil nailing is exposed at outside slope surface；The recyclable mesh sheet includes TGXG.Construction procedure is：It constructs in slope surface soil nailing；It is laid with recyclable mesh sheet on side slope surface；Batten and pressing plate are reinforced in installation, tighten clamp nut；Tensioning is carried out to soil nailing.The structure realizes the fabricated construction of side slope protection, economic and environment-friendly, repeats and utilizes, the construction method is easy to operate, high construction efficiency.
Description
Technical field
The utility model is related to slope retaining structure, more particularly to a kind of prestressed soil nailing assembled supporting construction.
Background technology
Soil nail wall is as a kind of slope retaining technology of maturation, due to its, good airproof performance light-duty with structure and construction speed
The advantages that fast is spent, has been used widely in China.Existing soil nailing wall structure is that reinforcing bar or anchor are squeezed into the slope surface of excavation
Bar is as soil nailing, one layer concrete face of the fill-before-fire layer after side slope surface is laid with bar-mat reinforcement.There are following for existing soil nailing wall structure
Problem：
1, since gunite concrete needs to carry out stirring, the injection of concrete at the scene, not environmentally；
2, the independent stock ground of cement, sand, stone need to be arranged in construction site, need larger place；
3, bar-mat reinforcement and the concrete of injection can not reuse, and economy and the feature of environmental protection are poor.
Utility model content
One purpose of the utility model is to provide a kind of prestressed soil nailing assembled supporting construction, the structure economics ring
It protects, repeats and utilize.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of prestressed soil nailing assembled supporting construction includes the recyclable mesh sheet of polylith and Duo Gen prestressed soil nailings；It is described pre-
Stress soil nailing is implanted into slope surface；The recyclable mesh sheet is detachably secured to the ailhead that prestressed soil nailing is exposed at outside slope surface；It is described
Recyclable mesh sheet includes TGXG.
By using above-mentioned technical proposal, which realizes the fabricated construction of side slope protection, economic and environment-friendly, repeats
It utilizes.
Preferably, the TGXG is three-dimensional geogrid or direction earthwork grille.
By using above-mentioned technical proposal, intensity higher, rigidity is big, is more suitable for piecemeal and carries out assembled in situ installation, and
There are better lateral spacing constraint and effective interlocking function to soil body pellet.
Preferably, the recyclable mesh sheet further includes geomembrane, and geomembrane is set to the inside of three-dimensional geogrid
Or outside.
By using above-mentioned technical proposal, it can effectively prevent rain drop erosion and penetrate into side slope.
Preferably, the recyclable mesh sheet further includes geotextiles, and the geotextiles are disposed in proximity to the side of slope surface.
By using above-mentioned technical proposal, the water flowed out in slope soil is guided to side by the water stream channel that geotextiles are formed
Bottom of slope portion further improves the stability of side slope to prevent the slope surface soil body to be pulled away.
Preferably, the recyclable mesh sheet of composite layer being made of three-dimensional geogrid, geomembrane and geotextiles is in factory
It is integrally machined molding.
By using above-mentioned technical proposal, the installation at scene is facilitated.
Preferably, further include pressing plate, clamp nut and reinforcing batten；The ailhead of the soil nailing offers screw thread, adds
Gu the both ends and pressing plate center of batten are both provided with through-hole；The reinforcing batten is pressed in recyclable mesh sheet, and the pressing plate is pressed in
It reinforces on batten；Pressing plate, reinforcing batten and recyclable mesh sheet are pressed in slope surface by clamp nut after being screwed into ailhead.
By using above-mentioned technical proposal, the loosening that batten prevents mesh sheet is reinforced, the stability of protection is improved.
Preferably, the through-hole for reinforcing batten is strip hole.
By using above-mentioned technical proposal, the setting of prestressed soil nailing difference spacing disclosure satisfy that.
Preferably, it reinforces the upper surface at batten both ends and/or lower surface is provided with multiple tracks anti-skid rack, anti-skid rack
Direction with reinforce the length direction of batten it is vertical；The lower surface of pressing plate is provided with to match with the anti-skid rack for reinforcing batten
Tread plate.
By using above-mentioned technical proposal, it is therefore prevented that two pieces of slidings reinforced between batten.
Preferably, prestressed soil nailing is Self-drilling hollow grouting anchoring-bolt.
By using above-mentioned technical proposal, construction is more efficient.
In conclusion the utility model has the advantages that：
1, the fabricated construction of side slope protection is realized, and mesh sheet can reuse, it is economic and environment-friendly；
2, the recyclable mesh sheet of composite layer can prevent external rainwater from entering side slope, can also realize that the water on side slope surface is smooth
Discharge, preferably protects side slope surface；
3, it reinforces batten not only to reinforce mesh sheet, but also the soil nailing that can be suitable for different spacing is arranged；
4, Self-drilling hollow grouting anchoring-bolt further improves the efficiency of construction.
Description of the drawings
Fig. 1 is prestressed soil nailing assembled supporting construction overall schematic；
Fig. 2 is recyclable mesh sheet and prestressed soil nailing arrangement schematic diagram；
Fig. 3 is angularly disposed reinforcing batten scheme of installation；
Fig. 4 is single reinforcing strip plate structure schematic diagram；
Fig. 5 is provided with the working state schematic representation of the reinforcing batten and pressing plate of anti-skid rack；
Fig. 6 is the structural schematic diagram of the recyclable mesh sheet of lamination layer structure.
In figure, 1, recyclable mesh sheet；11, overlay region；12, TGXG；13, geomembrane；14, geotextiles；2, prestressing force
Soil nailing；21, ailhead；3, slope surface；4, pressing plate；5, clamp nut；6, batten is reinforced；61, strip hole；7, anti-skid rack；8, water blocking
Wall；9, tread plate.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom
Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
As shown in Figures 1 and 2, a kind of 2 assembled supporting construction of prestressed soil nailing, including the recyclable mesh sheet of polylith 1 and more
Root prestressed soil nailing 2.Prestressed soil nailing 2 is implanted into slope surface 3, and recyclable mesh sheet 1 is detachably secured to prestressed soil nailing 2 and is exposed at slope
Ailhead 21 outside face 3；The recyclable mesh sheet 1 can be TGXG 12.
Since common soil nailing is passive stress, i.e., after certain deformation occurs for the soil body, soil nailing ability stress, to prevent the soil body
Continue to deform；And prestressed soil nailing 2 applies active pressure by soil nailing progress prestressed stretch-draw, may be implemented to slope surface 3,
Foundation pit just limits the soil body before not excavating and excessive deformation occurs.Since TGXG 12 has good tensile property, so can return
Mesh sheet 1 is received to can be good at consolidating 3 soil body of slope surface；Simultaneously because TGXG 12 has certain flexibility, so comparing
Reinforced mesh can be suitable for the low slope surface 3 of flatness.
TGXG 12 can select unidirectional TGXG, direction earthwork grille or three-dimensional geogrid.Preferably, selecting
Three-dimensional geogrid or direction earthwork grille.Three-dimensional geogrid has the following advantages：First, structural strength higher, rigidity is big,
It is more suitable for piecemeal and carries out assembled in situ installation；Second is that its grid is triangle, the strip-shaped hole compared to unmarried grid and two-way lattice
The square hole of grid has the constraint of better lateral spacing and effective interlocking function to soil body pellet, can preferably by 3 soil body of slope surface into
Row is firm.
As shown in Fig. 2, recyclable mesh sheet 1 is continuously arranged, adjacent two pieces of recyclable mesh sheet 1 form overlay region 11.Such as Fig. 1
Shown in Fig. 2, in order to which recyclable mesh sheet 1 to be temporarily fixed in slope surface 3, which further includes pressing plate 4 and clamp nut
5.Four angles of each recyclable mesh sheet 1 are fixed with pressing plate 4.The ailhead 21 of prestressed soil nailing 2 offers screw thread, 4 center of pressing plate
It is provided with through-hole.Pressing plate 4 is pressed in recyclable mesh sheet 1, and clamp nut 5 presses pressing plate 4 and recyclable mesh sheet 1 after being screwed into ailhead 21
Tightly in slope surface 3.
As shown in figure 3, since TGXG 12 has rigidity not strong, when the recyclable mesh sheet 1 of monolithic is larger, wherein position
Setting may be by soil body crimp, to influence consolidation effect, so the supporting construction further includes reinforcing batten 6, reinforcing strip
Plate 6 is provided at both ends with through-hole.It with reference to figure 1, reinforces batten 6 and is pressed in recyclable mesh sheet 1, pressing plate 4, which is pressed in, to be reinforced on batten 6；
Pressing plate 4, reinforcing batten 6 and recyclable mesh sheet 1 are pressed in slope surface 3 by clamp nut 5 after being screwed into ailhead 21.
It can laterally and be vertically arranged to reinforce batten 6, and formation is grid-like, can also be diagonally disposed.Due to recyclable
Mesh sheet 1, which is located at the center of four prestressed soil nailings 2, to be easiest to loosen, so reinforcing the preferably diagonally disposed mode of batten 6.
It can be steel plate strip to reinforce batten 6, can also be plastic plate, preferably the plastic plate with certain toughness.
As shown in Figure 3 and Figure 4, in order to make the reinforcing batten 6 of regular length disclosure satisfy that the different spacing of prestressed soil nailing 2
Setting, so the through-hole for reinforcing batten 6 is strip hole 61.Such as when the spacing of prestressed soil nailing 2 is 1.5m, ailhead 21 is located at
Strip hole 61 is close to the position for reinforcing 6 center of batten, and when the spacing of prestressed soil nailing 2 is 1.6m, ailhead 21 is located at strip hole
61 close to the position for reinforcing 6 both ends of batten.
As shown in figure 5, due to the contact surface of two blocks of reinforcing battens 6, and reinforcing batten 6 and the contact surface of pressing plate 4 are easy
Sliding phenomenon occurs, to influence consolidation effect, so being provided in the upper surface and/or lower surface for reinforcing 6 both ends of batten more
Road anti-skid rack 7, the direction of anti-skid rack 7 are vertical with the length direction of batten 6 is reinforced.The lower surface of pressing plate 4 be provided with
Reinforce the tread plate 9 that the anti-skid rack 7 of batten 6 matches.
Preferably, the one end for reinforcing batten 6 is close to the side of slope surface 3 and is not provided with anti-skid rack 7, and one far from slope surface 3
Anti-skid rack 7 is arranged in side, and anti-skid rack 7 is all arranged in the both sides of the other end.Such setting can preferably protect recyclable net
Piece 1 is not weighed wounded by anti-skid rack 7.
As shown in fig. 6, when due to raining, rainwater can cause slope surface 3 erosion damage, and rainwater penetrates into 3 soil body of slope surface
Inside can cause 3 stability of slope surface to decline, so recyclable mesh sheet 1 further includes geomembrane 13.Since geomembrane 13 has water proof
Effect, so the recyclable mesh sheet 1 that TGXG 12 and geomembrane 13 form, can effectively prevent rain drop erosion and infiltration.
Geomembrane 13 can be set to the inner or outer side of TGXG 12, when geomembrane 13 is set to the outside of TGXG 12,
It can prevent the protrusion stone in side slope from piercing through geomembrane 13.
Further, geomembrane 13 can be sun-proof geomembrane 13.
As shown in fig. 6, the geomembrane 13 positioned at the recyclable mesh sheet 1 of top extends to outside side slope, and it is embedded in water blocking
The bottom of wall 8 further increases slope stability to prevent rainwater from being penetrated into side slope from ground.
In order to facilitate in-site installation, geomembrane 13 bonds together with TGXG 12, can be integrally machined into factory
Type.
As shown in fig. 6, due in some stratum, can also it there are flowing out in slope soil, the water of outflow can be along recyclable
Mesh sheet 1 flow to side slope bottom, when streamflow is big and the time is longer, is easy the soil body of slope surface 3 to take away, to form cavity, shadow
Ring stability of slope.Such case occurs in order to prevent, and recyclable mesh sheet 1 further includes geotextiles 14.Geotextiles 14, which are set to, to return
Mesh sheet 1 is received close to the side of slope surface 3, by 14 good water permeability of geotextiles, the water stream channel formed will be in slope soil
The water of outflow is guided to side slope bottom, to prevent 3 soil body of slope surface to be pulled away, further improves the stability of side slope.
Likewise, in-site installation, the composite layer that TGXG 12, geomembrane 13 and geotextiles 14 form can return for convenience
It receives mesh sheet 1 and is integrally machined molding in factory.
Further, prestressed soil nailing 2 is Self-drilling hollow grouting anchoring-bolt.Self-drilling hollow grouting anchoring-bolt will be drilled, be noted
The function integrations such as slurry and anchoring have construction quick, are applicable in the advantage more than stratigraphic type.It is used in combination with recyclable mesh sheet 1,
Further improve the construction efficiency of the assembled supporting construction.
In addition, being provided with screw thread outside the body of rod of Self-drilling hollow grouting anchoring-bolt, eliminate using regular reinforcement as soil
When nail, the operating procedure of screw thread need to be also individually opened up in ailhead 21.The included nut of Self-drilling hollow grouting anchoring-bolt can be with
It is used as clamp nut 5.
The construction method of prestressed soil nailing assembled supporting construction is as follows：
S1, soil nailing of constructing in slope surface 3.Soil nailing follows the excavation progress of side slope, successively constructs from top to bottom.
When using reinforcing bar as soil nailing, first drills in side slope, be inserted into reinforcing bar, then noted in drilling
Slurry.
When using Self-drilling hollow grouting anchoring-bolt, Self-drilling hollow grouting anchoring-bolt is pierced in side slope with drilling machine, then
Carry out slip casting.
S2, it is laid with recyclable mesh sheet 1 on side slope surface；
S3, installation reinforce batten 6 and tense, and then install pressing plate 4, tighten clamp nut 5；
S4, tensioning is carried out to soil nailing with hollow jack, while further tightens clamp nut 5.It is drawn when being stretched to design
When power, stop tensioning, tighten clamp nut 5, removes tensioning equipment.
S5, after the completion of waiting for the structure construction of side slope bottom, unscrew clamp nut 5, remove pressing plate 4 successively, reinforce 6 and of batten
Recyclable mesh sheet 1, and recycled, transport to next work is clicked through to exercise and be used.
The prestressed soil nailing assembled supporting construction realizes the fabricated construction of side slope protection, improves construction efficiency.
And recyclable mesh sheet 1, pressing plate 4 and reinforcing batten 6 can reuse, and it is economic and environment-friendly.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (9)
1. a kind of prestressed soil nailing assembled supporting construction, it is characterised in that：
Including the recyclable mesh sheet of polylith（1）With more prestressed soil nailings（2）；
The prestressed soil nailing（2）It is implanted into slope surface（3）It is interior；The recyclable mesh sheet（1）It is detachably secured to prestressed soil nailing（2）
It is exposed at slope surface（3）Outer ailhead（21）On；
The recyclable mesh sheet（1）Including TGXG（12）.
2. a kind of prestressed soil nailing assembled supporting construction according to claim 1, it is characterised in that：
The TGXG（12）For three-dimensional geogrid or direction earthwork grille.
3. a kind of prestressed soil nailing assembled supporting construction according to claim 2, it is characterised in that：
The recyclable mesh sheet（1）It further include geomembrane（13）, geomembrane（13）It is set to the inside or outer of three-dimensional geogrid
Side.
4. a kind of prestressed soil nailing assembled supporting construction according to claim 3, it is characterised in that：
The recyclable mesh sheet（1）Further include geotextiles（14）, the geotextiles（14）It is disposed in proximity to slope surface（3）Side.
5. a kind of prestressed soil nailing assembled supporting construction according to claim 4, it is characterised in that：
By three-dimensional geogrid, geomembrane（13）And geotextiles（14）The recyclable mesh sheet of composite layer of composition（1）In factory's one
Machine-shaping.
6. a kind of prestressed soil nailing assembled supporting construction according to Claims 1 to 5 any one, it is characterised in that：
It further include pressing plate（4）, clamp nut（5）With reinforcing batten（6）；
The ailhead（21）On offer screw thread, reinforce batten（6）Both ends and pressing plate（4）Center is both provided with through-hole；
The reinforcing batten（6）It is pressed in recyclable mesh sheet（1）On, the pressing plate（4）It is pressed in reinforcing batten（6）On；
Clamp nut（5）It is screwed into ailhead（21）Afterwards by pressing plate（4）, reinforce batten（6）With recyclable mesh sheet（1）It is pressed on slope surface
（3）On.
7. a kind of prestressed soil nailing assembled supporting construction according to claim 6, it is characterised in that：Reinforce batten（6）
Through-hole be strip hole（61）.
8. a kind of prestressed soil nailing assembled supporting construction according to claim 7, it is characterised in that：
Reinforce batten（6）The upper surface and/or lower surface at both ends are provided with multiple tracks anti-skid rack（7）, anti-skid rack（7）Direction
With reinforcing batten（6）Length direction it is vertical；
Pressing plate（4）Lower surface be provided with reinforce batten（6）Anti-skid rack（7）The tread plate to match（9）.
9. a kind of prestressed soil nailing assembled supporting construction according to claim 8, it is characterised in that：Prestressed soil nailing
（2）For Self-drilling hollow grouting anchoring-bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278051.4U CN208009450U (en) | 2018-02-26 | 2018-02-26 | A kind of prestressed soil nailing assembled supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820278051.4U CN208009450U (en) | 2018-02-26 | 2018-02-26 | A kind of prestressed soil nailing assembled supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208009450U true CN208009450U (en) | 2018-10-26 |
Family
ID=63887467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820278051.4U Expired - Fee Related CN208009450U (en) | 2018-02-26 | 2018-02-26 | A kind of prestressed soil nailing assembled supporting construction |
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| CN (1) | CN208009450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203985A (en) * | 2018-02-26 | 2018-06-26 | 北京方圆恒基岩土工程技术有限公司 | A kind of prestressed soil nailing assembled supporting construction and its construction method |
-
2018
- 2018-02-26 CN CN201820278051.4U patent/CN208009450U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108203985A (en) * | 2018-02-26 | 2018-06-26 | 北京方圆恒基岩土工程技术有限公司 | A kind of prestressed soil nailing assembled supporting construction and its construction method |
| CN108203985B (en) * | 2018-02-26 | 2023-11-21 | 北京方圆恒基岩土工程技术有限公司 | Prestressed soil nail assembled supporting structure and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181026 Termination date: 20210226 |