CN212561542U - Soil supporting construction between prefabricated assembled slope protection stake pile - Google Patents
Soil supporting construction between prefabricated assembled slope protection stake pile Download PDFInfo
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- CN212561542U CN212561542U CN202020822826.7U CN202020822826U CN212561542U CN 212561542 U CN212561542 U CN 212561542U CN 202020822826 U CN202020822826 U CN 202020822826U CN 212561542 U CN212561542 U CN 212561542U
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- slope protection
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Abstract
The utility model discloses a prefabricated assembly type slope protection pile inter-pile soil supporting structure, which comprises a supporting structure and a reinforcing mesh piece which are arranged between adjacent slope protection piles, wherein a plurality of transverse and vertical mesh pressing bars are arranged outside the reinforcing mesh piece, and the transverse mesh pressing bars are crossed and perpendicular to the longitudinal mesh pressing bars; supporting construction is including setting gradually geotechnological cloth and the geogrid at the foundation ditch surface, and the supporting layer that geotechnological cloth and geogrid formed is flexible module prefabricated component, and the reinforcing bar net piece closely laminates with the flexible module prefabricated component outside. The utility model discloses compare with current supporting construction between stake, make the installation more succinct through the practicality of the flexible module of prefabricated assembled, improved the efficiency of construction, the mode of having abandoned injection concrete in the past and then having used the mode of pressing net muscle and/or soil nail to support moreover, both made the protective effect obtain the assurance and be convenient for install and dismantle reuse, still saved a large amount of concrete material and then practiced thrift construction cost.
Description
Technical Field
The utility model relates to a foundation ditch protection field, in particular to native supporting construction between prefabricated assembled slope protection stake pile.
Background
In the prior art, the protective structure among foundation pit piles is formed by drilling holes in the construction position in advance, pouring slope protection piles, and then digging foundation pits along the slope protection piles. The pile space of the slope protection piles is protected and fixed by adopting a concrete spraying method, a steel wire net is paved among the piles to form a surface layer protection structure, and concrete is sprayed on the surface layer protection structure to finally form a stable integral supporting structure. According to the method, the protective effect is achieved on the side wall of the foundation pit through the reinforcing mesh, the sprayed concrete can achieve a waterproof effect after being solidified, only the laying of the whole protective structure needs a long time, and moreover, the block falling phenomenon easily occurs on the protective wall formed by the concrete on the outer surface of the reinforcing mesh, so that accidental injury is easily caused to constructors working in the foundation pit.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a compromise supporting construction protective properties between stake can form the prefab again and improve the efficiency of construction and practice thrift construction cost's prefabricated assembled slope protection stake soil supporting construction between stake.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a prefabricated inter-pile soil supporting structure for slope protection piles comprises slope protection piles, and comprises supporting structures and reinforcing mesh sheets, wherein the supporting structures are arranged between adjacent slope protection piles; the supporting structure comprises geotextile and geogrids which are sequentially arranged on the outer surface of the foundation pit, a supporting layer formed by the geotextile and the geogrids is a flexible module prefabricated component, and the reinforcing mesh is tightly attached to the outer side of the flexible module prefabricated component; the transverse net pressing ribs are grouped in pairs, one end of each transverse net pressing rib is inserted into a hole which is formed in advance in the adjacent slope protection pile and is fixed, the other end of each transverse net pressing rib is a free end and extends towards the direction of a vertical central line between the adjacent piles, and the two free ends are mutually abutted and fixedly connected; the longitudinal net pressing ribs are arranged along the vertical central line direction between the piles, are positioned on the outer sides of the transverse net pressing ribs and are fixedly connected with the transverse net pressing ribs.
Through adopting above-mentioned technical scheme, replace the mode of shotcrete among the prior art, use prefabricated supporting construction to add extra fixed mode again, can increase substantially the efficiency of construction when guaranteeing the protecting effect.
The utility model discloses further set up to: one ends of the two transverse net pressing ribs extending towards the direction of the vertical central line between the piles are mutually abutted, welded or bound and fixed.
By adopting the technical scheme, an integral stress structure is formed between the transverse net pressing ribs by welding or binding.
The utility model discloses further set up to: the free end of one of the two transverse net pressing ribs is provided with a fixing ring, the free end of the other transverse net pressing rib is closely connected with the fixing ring through the fixing ring, and the diameter of the fixing ring is larger than the sum of the diameters of the two transverse net pressing ribs.
Through adopting above-mentioned technical scheme, set up solid fixed ring on the horizontal pressure net muscle of one side, the horizontal pressure net muscle of opposite side cup joints with it, is convenient for install fast.
The utility model discloses further set up to: the intersection of the longitudinal net pressing rib and the transverse net pressing rib is fixedly connected with a fixing piece, the fixing piece is a threaded steel bar with a semicircular annular bulge, the fixing piece and the longitudinal net pressing rib are welded and fixed, and the upper semicircular annular bulge of the fixing piece is also provided with a soil nail penetrating into one side of the soil wall outside the slope protection pile.
Through adopting above-mentioned technical scheme, in order to further improve the steadiness, additional mounting penetrates the soil nail into the cob wall through the mounting again and improves whole atress effect.
The utility model discloses further set up to: and the part of the soil nail protruding out of the soil wall on the outer side of the slope protection pile is welded and fixed with the longitudinal net pressing rib.
By adopting the technical scheme, the soil nails and the longitudinal mesh pressing ribs are welded to achieve the effect of dispersing stress.
The utility model discloses further set up to: one end of the soil nail is provided with a transverse fixing plate fixedly connected, and the other end penetrates into the soil wall between the piles.
Through adopting above-mentioned technical scheme, be convenient for beat the soil nail into in the soil wall through horizontal fixed plate.
The utility model discloses further set up to: the intersection of the transverse fixing plate, the longitudinal net pressing rib and the semicircular ring bulge on the fixing piece is abutted or welded and fixed.
Through adopting above-mentioned technical scheme, the soil nail end that penetrates the soil wall welds fixedly once more with other bearing structure, forms whole protective properties that more can increase supporting construction.
To sum up, the utility model discloses following beneficial effect has:
compared with the existing supporting structure between piles, the utility model discloses a design of soil supporting structure between prefabricated assembled slope protection stake pile makes the installation become the installation flow of assembled, has saved the required maintenance latency of shotcrete formation dado in the past for whole efficiency of construction has obtained the improvement. The utility model discloses a scheme has both made the protecting effect obtain guaranteeing and convenient to assemble dismantlement reuse, has still saved a large amount of concrete material and solidification latency.
Drawings
Fig. 1 is the utility model discloses the soil supporting construction's between prefabricated assembled slope protection stake pile schematic diagram.
Fig. 2 is a schematic diagram of the structure of the prefabricated member supporting layer of the utility model.
Figure 3 is the utility model discloses two horizontal pressure net muscle ligatures sketch views.
Fig. 4 is the sleeving schematic diagram of the two transverse mesh bar fixing rings of the present invention.
Fig. 5 is a schematic view of the utility model of the soil nail end part provided with a fixing plate and fixedly connected with the transverse and longitudinal net pressing bars.
Fig. 6 is the utility model discloses soil supporting construction overlooking cross-sectional view between prefabricated assembled slope protection stake pile.
1. A geogrid; 2. geotextile; 3. soil bodies among the piles; 4. supporting piles; 5. reinforcing mesh sheets; 6. transversely pressing mesh bars; 7. longitudinally pressing mesh ribs; 8. a fixing member; 9. soil nailing; 10. a transverse fixing plate; 11. and inserting the hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Combine fig. 1 and fig. 2, a soil supporting construction between prefabricated assembled slope protection stake pile, including setting up the supporting construction between adjacent slope protection stake pile. Supporting construction has a supporting layer, and the supporting layer is including setting gradually geotechnological cloth 2 and geogrid 1 at the surface between the stake, and geotechnological cloth 2 forms the flexible module prefabricated component of assembled with geogrid 1 complex, still is provided with wire net piece 5 at flexible module prefabricated component's lateral surface. The supporting construction outside still has the horizontal and vertical net muscle of pressing of multichannel, transversely press the net muscle 6 and vertically press 7 criss-cross verticals of net muscle and set up outside wire net piece 5. The transverse net pressing ribs 6 are arranged in pairs and in a group, one ends of the two transverse net pressing ribs 6 are respectively inserted into holes which are formed in adjacent slope protection pile piles in advance to be fixed, the other ends of the two transverse net pressing ribs are free ends and extend towards the direction of a vertical central line between the piles, and the two free ends are mutually abutted and fixedly connected. And the longitudinal net pressing ribs 7 are arranged along the vertical central line direction between the piles, are positioned on the outer sides of the transverse net pressing ribs and are fixedly connected with the transverse net pressing ribs 6. The design of flexible module prefabricated component makes the erection of supporting construction save a large amount of time, avoids spraying concrete and forms the dado and reach the required maintenance latency of certain intensity, has saved a lot of concrete materials.
In embodiment 1, as shown in fig. 3, the free ends of two transverse mesh-pressing bars 6 are fixed at the intersection, and the fixing mode is welding fixing, which can improve the load stress of the transverse mesh-pressing bars 6 but needs to be cut and disassembled after the construction is finished. The fixing mode of the junction can also be steel bar binding, although the mode is not similar to the welding fixing mode in the aspect of load stress, the stress can also meet the requirements of site construction, and the joint is convenient to disassemble and reuse after the construction is finished.
Example 2, as shown in fig. 4, the free end of one of the two transverse net-pressing ribs 6 is provided with a fixing ring, the free end of the other transverse net-pressing rib 6 is closely connected with the fixing ring through the fixing ring, and the diameter of the fixing ring is larger than the sum of the diameters of the two transverse net-pressing ribs 6. A lantern ring is fixedly arranged on one of the two transverse net pressing ribs 6 in advance, and the diameter of the lantern ring is slightly larger than the sum of the diameters of the two transverse net pressing ribs 6. And inserting the free ends of the transverse net pressing ribs 6 without the lantern rings into the lantern rings to complete the sleeve connection of the two transverse net pressing ribs 6. After the supporting construction is erected between the piles, the whole supporting construction can be stressed by transverse pressure so that the two sleeve joint parts of the transverse net pressing ribs 6 are pressed by external force to be fastened, the mode is simple to connect and disassemble, the supporting construction can be tightly pressed after being stressed, and the required anti-load effect can be achieved.
In embodiment 3, as shown in fig. 5, a fixing member 8 is further fixedly connected to the intersection of the longitudinal mesh pressing bar 7 and the transverse mesh pressing bar 6, the fixing member 8 is a twisted steel bar with a semicircular protrusion, the fixing member 8 is welded and fixed to the longitudinal mesh pressing bar 7, and a soil nail 9 penetrating into one side of a soil wall outside the slope protection pile is further arranged at the upper semicircular protrusion of the fixing member 8. One side welded fastening at vertical pressure net muscle 7 has the protruding mounting 8 of semicircle ring form, squeezes into soil wall with soil nail 9 perpendicular to semicircle ring form arch to play fixed effect, this mode can additionally increase taut dynamics under the situations such as geological conditions of difference, calculation atress requirement and the probability of collapsing and further improve supporting construction's whole protective effect.
The following is a use operating mode of soil supporting construction between prefabricated assembled slope protection stake pile: the foundation pit is internally provided with a plurality of groups of slope protection piles, after the slope protection piles are constructed, the flexible module prefabricated parts prefabricated in advance are arranged on the inter-pile soil wall body, and a plurality of groups of insertion holes are formed in the relative positions of two adjacent slope protection piles according to a certain interval. One end of each of two transverse net pressing ribs 6 is inserted into a hole on a pile, the free ends of the two transverse net pressing ribs 6 are abutted against each other between the piles and fixedly connected by welding or binding, and then the longitudinal net pressing rib 7 is arranged along the vertical center line between the piles and tightly attached to the transverse net pressing ribs 6 for fastening. The number of the longitudinal net pressing ribs 7 can be one group or multiple groups, the longitudinal net pressing ribs are specifically determined according to geological conditions of a construction site, the longitudinal net pressing ribs 7 are arranged at the central line position between the piles when being one group, and the longitudinal net pressing ribs 7 are arranged at the outer sides of the multiple groups of transverse net pressing ribs relative to soil bodies between the piles at equal intervals when being multiple groups. Further can also be in one side of vertical pressure net muscle 7 and with horizontal pressure net muscle 6 department welding mounting 8 that is close to mutually, squeeze into soil wall inside fastening with soil nail 9 along the annular arch of semicircle on the mounting 8 outside-in, later with mounting 8 and vertical pressure net muscle or mounting 8 and horizontal pressure net muscle 6 junction welded fastening. Soil between stake is maintained into plane or evagination type and all can be passed through the technical scheme of the utility model support fixedly.
The following is another preferred embodiment of the present invention, in which the parameter setting is derived according to the geological situation, the size of the foundation pit and the stress analysis. Different items need to be adapted according to different situations, but it should be noted that the above modifications or changes are all within the scope of the present invention. This embodiment adopts geogrid 1, geotechnological cloth 2 that have certain intensity and water permeability to form the flexible module of finished product whole assembled and replace current shotcrete rigid panel, and flexible module prefabricated component width 0.6~0.9m lays reinforcing bar net piece 5 on it. The geotextile 2 adopts the short fiber needle-punched geotextile 2, and the geotextile adopts the terylene crimped short fiber with the terylene short fiber fineness of 6 to 12 deniers and the length of 54 to 64mm2 as the raw material. The geogrid 1 is a bidirectional or multidirectional plastic geogrid 1 made of high polymer materials, and is formed by bidirectional or multidirectional directional stretching under the heating condition, and the maximum area of holes formed is not more than 693mm 2. The prefabricated assembled slope protection pile inter-pile soil supporting structure is arranged on the inter-pile soil surface and is supported by a plurality of transverse net pressing ribs 6 and longitudinal net pressing ribs 7. The two ends of the transverse net pressing rib 6 are inserted into holes formed in the slope protection pile concrete on the two sides and are anchored stably, and the longitudinal net pressing rib 7 is welded or bound with the transverse net pressing rib 6. The vertical spacing of the transverse net pressing ribs 6 is about 0.3-0.6 m, the horizontal spacing of the longitudinal net pressing ribs 7 is about 0.3-0.4 m, and the spacing of the transverse or longitudinal net pressing ribs 7 can be properly adjusted according to the characteristics of soil between piles, the condition of underground water and the spacing of slope protection piles. The diameters of the transverse mesh pressing ribs 6 and the longitudinal mesh pressing ribs 7 are generally not less than 8 mm. The transverse net pressing ribs 6 can adopt an electric drill to drill the pile body of the slope protection pile and implant anchoring.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize. This embodiment is the preferred embodiment of the present invention, not limiting the protection scope of the present invention according to this, so: all equivalent changes made according to the knot, shape and principle of the utility model should be covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a native supporting construction between prefabricated assembled slope protection stake pile has slope protection stake, characterized by: the device comprises a supporting structure and a steel bar net piece (5) which are arranged between adjacent slope protection piles, wherein a plurality of transverse net pressing ribs (6) and longitudinal net pressing ribs (7) are arranged on the outer side of the steel bar net piece (5), and the transverse net pressing ribs (6) are crossed and vertical to the longitudinal net pressing ribs (7);
the supporting structure comprises a geotextile (2) and a geogrid (1) which are sequentially arranged on the outer surface of a foundation pit, a supporting layer formed by the geotextile (2) and the geogrid (1) is a flexible module prefabricated component, and the reinforcing mesh (5) is tightly attached to the outer side of the flexible module prefabricated component;
the transverse net pressing ribs (6) are grouped in pairs, one end of each transverse net pressing rib (6) is inserted into a hole which is formed in the adjacent slope protection pile in advance and fixed, the other end of each transverse net pressing rib is a free end and extends towards the direction of a vertical central line between the adjacent piles, and the two free ends are mutually abutted and fixedly connected;
the longitudinal net pressing ribs (7) are arranged along the direction of a vertical central line between piles, are positioned on the outer sides of the transverse net pressing ribs and are fixedly connected with the transverse net pressing ribs (6).
2. The precast assembled slope protection pile soil supporting structure between piles as claimed in claim 1, wherein: and one ends of the two transverse net pressing ribs (6) extending towards the direction of the vertical central line between the piles are mutually abutted, welded and/or bound and fixed.
3. The precast assembled slope protection pile soil supporting structure between piles as claimed in claim 1, wherein: the free end of one of the two transverse net pressing ribs (6) is provided with a fixing ring, the free end of the other transverse net pressing rib (6) is closely connected with the fixing ring through the fixing ring, and the diameter of the fixing ring is larger than the sum of the diameters of the two transverse net pressing ribs (6).
4. The precast assembled slope protection pile soil supporting structure between piles as claimed in any one of claims 1 to 3, wherein: vertical pressure net muscle (7) and the crossing department of horizontal pressure net muscle (6) still rigid coupling have mounting (8), and mounting (8) are for having the annular bellied twisted steel of semicircle, and mounting (8) and vertical pressure net muscle (7) welded fastening, the annular bellied department of first half of mounting (8) still has soil nail (9) that penetrate to the fender slope stake outside soil wall one side.
5. The precast assembled slope protection pile soil supporting structure between piles as claimed in claim 4, wherein: the part of the soil nail (9) protruding out of the soil wall outside the slope protection pile is welded and fixed with the longitudinal net pressing rib (7).
6. The precast assembled slope protection pile soil supporting structure between piles as claimed in claim 5, wherein: one end of the soil nail (9) is provided with a transverse fixing plate (10) which is fixedly connected, and the other end penetrates into the soil wall between the piles.
7. The precast assembled slope protection pile soil supporting structure between piles as claimed in claim 6, wherein: the transverse fixing plate (10) is abutted against or welded and fixed with the longitudinal net pressing rib (7) and the intersection of the semicircular ring bulges on the fixing piece (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020822826.7U CN212561542U (en) | 2020-05-15 | 2020-05-15 | Soil supporting construction between prefabricated assembled slope protection stake pile |
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| CN202020822826.7U CN212561542U (en) | 2020-05-15 | 2020-05-15 | Soil supporting construction between prefabricated assembled slope protection stake pile |
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| CN212561542U true CN212561542U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073656A (en) * | 2021-05-06 | 2021-07-06 | 北京城建勘测设计研究院有限责任公司 | Inter-pile soil protection structure of support pile and construction method thereof |
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2020
- 2020-05-15 CN CN202020822826.7U patent/CN212561542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073656A (en) * | 2021-05-06 | 2021-07-06 | 北京城建勘测设计研究院有限责任公司 | Inter-pile soil protection structure of support pile and construction method thereof |
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