CN217378938U - UHPC assembled soil nail wall structure - Google Patents
UHPC assembled soil nail wall structure Download PDFInfo
- Publication number
- CN217378938U CN217378938U CN202220214226.1U CN202220214226U CN217378938U CN 217378938 U CN217378938 U CN 217378938U CN 202220214226 U CN202220214226 U CN 202220214226U CN 217378938 U CN217378938 U CN 217378938U
- Authority
- CN
- China
- Prior art keywords
- uhpc
- panel
- metal connecting
- soil nailing
- prefabricated panel
- Prior art date
- 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.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Retaining Walls (AREA)
Abstract
The utility model relates to the technical field of geotechnical engineering support, in particular to a UHPC assembled soil nailing wall structure, which is formed by assembling a plurality of soil nailing anchor rods and UHPC prefabricated panels; the soil nail anchor rod and the UHPC prefabricated panel are mutually fixed through the combination of the backing plate and the fixing bolt; and the UHPC prefabricated panels which are adjacent in the transverse and longitudinal directions are sequentially sleeved through a horizontal metal connecting piece and a vertical metal connecting piece respectively. The structure is simple and reasonable, can reinforce the slope body in time, and can effectively reduce the deformation of the slope body. The UHPC prefabricated panel can be prefabricated and maintained in an industrial manner according to design requirements, and a soil nail anchor rod part is constructed after the UHPC prefabricated panel is installed and fixed on site, so that the construction cost can be reduced, the UHPC prefabricated panel is more environment-friendly, the construction period is shortened, and the construction is more convenient.
Description
Technical Field
The utility model relates to a geotechnical engineering struts technical field, specifically is a UHPC assembled soil nailing wall structure.
Background
The landform and the landform of China are various, the relief of the landform is large, the foundation construction is also rapidly promoted along with the development of the economic society, and the construction of various engineering facilities in mountainous areas and hilly areas is gradually increased, such as newly-built roads and railways of various levels, large-scale reservoirs, mineral resource exploitation and the like. Along with the increase of engineering construction and human activities, various types of side slope disasters also occur, particularly in mountainous areas with abundant rainfall, the side slope disasters are more frequent, property loss and casualties caused by side slope accidents are also serious, and meanwhile landslides can influence the operation of roads and railways, so that engineering reinforcement treatment needs to be carried out on a slope body in an unstable state.
Due to the common soil nailing wall supporting structure, during slope construction, slope reinforcing mesh sheets are fixed after soil nailing and connected with soil nails and the like, then a spray anchor machine is adopted to spray concrete, and machines such as a dry spraying machine, a large-scale air compressor and the like are required to be equipped during construction. The dry spraying machine is adopted for operation, the used machines are relatively small, but the used raw materials are cement, sand and stones in bulk, dust pollution on a construction site is serious, when environment-friendly wet spraying is adopted, the equipment is large, the used concrete needs to be conveyed by a concrete tank truck, the volume and the weight are large, when the slope height is high, the site is small, or the traffic is inconvenient, the equipment is inconvenient to use, and the dry spraying machine is difficult to be applied to supporting engineering with complicated site conditions. And the field construction period is long, the field management difficulty is large, and the quality is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists among the prior art, the utility model provides a UHPC assembled soil nail wall structure reaches construction convenience, green safe purpose.
In order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
the utility model provides a UHPC assembled soil nailing wall structure, UHPC assembled soil nailing wall is laid in slope face 1 of side slope, its characterized in that: the UHPC assembled soil nailing wall is formed by assembling a plurality of soil nailing anchor rods 2 and UHPC prefabricated panels 3;
the soil nail anchor rod 2 and the UHPC prefabricated panel 3 are mutually fixed through the combination of a backing plate 5 and a fixing bolt 6;
the UHPC prefabricated panels 3 which are adjacent in the transverse and longitudinal directions are sequentially sleeved through a horizontal metal connecting piece 9 and a vertical metal connecting piece 10 respectively.
The soil nail anchor rod 2 is composed of a grouting body 7 and a reinforcing steel bar 8, the grouting body 7 is coated on the reinforcing steel bar 8 in a grouting mode, and cement slurry used by the grouting body 7 comprises cement, fine aggregate, a water reducing agent, water and an expanding agent.
The UHPC prefabricated panel 3 is divided into a standard panel, an end head panel and a heteromorphic panel; two or more groups of horizontal metal connecting pieces 9 and vertical metal connecting pieces 10 are respectively arranged on two symmetrical sides of the standard panel; two or more groups of horizontal metal connecting pieces 9 are arranged on the transverse side of the end panel, and a group of vertical metal connecting pieces 10 are arranged on the vertical side; two or more groups of horizontal metal connectors 9 and vertical metal connectors 10 are respectively arranged on two symmetrical sides of the irregular surface plate, and the UHPC prefabricated panel 3 of the irregular surface plate is prefabricated according to the terrain.
The UHPC prefabricated panel 3 is provided with one or more groups of backing plates 5 and fixing bolts 6.
The UHPC prefabricated panel 3 is provided with a notch, a mounting hole 11 is arranged in the notch, and a fixing bolt 6 penetrates through the backing plate 5 and the mounting hole 11 to be mutually mounted and fixed with the soil nail anchor rod 2.
The notch on the UHPC prefabricated panel 3 is sealed and covered by an anchor sealing cover plate 4.
The UHPC prefabricated panel 3 is provided with a drain hole 12.
And the notch position on the UHPC prefabricated panel 3, the horizontal metal connecting piece 9 and the vertical metal connecting piece 10 are all provided with reinforcing steel bars.
The utility model has the advantages that: the utility model discloses the prefabricated panel of UHPC assembled soil nail wall adopts the prefabricated pouring of ultra high performance concrete to form, reserves the hole on the panel, is used for installing the reinforcing bar of staple bolt, adopts ultra high performance concrete can make reducing of panel quality degree of great extent, only is 1/3-1/5 of ordinary concrete quality, the transportation and hoist and mount of being convenient for, can install at the job site, convenient construction, green safety, the site pollution reduces greatly, and the durability is better.
The utility model discloses the construction method of UHPC assembled soil nail wall forms soil nail stock and nut through using UHPC prefabricated panel, slip casting, links together the slope body with the panel and forms wholly, and the simple structure is high-efficient, adopts the utility model discloses construction method has reduced the use of large-scale machines, does not use cement, stone and the grit of bulk solid, has reduced the raise dust pollution, and it is safe convenient to construct, is convenient for construction and management of complex project.
Drawings
FIG. 1 is a cross-sectional view of a UHPC fabricated soil nailing wall structure;
FIG. 2 is a schematic structural view of a UHPC fabricated soil nailing wall;
FIG. 3 is a drawing I of a standard panel of a UHPC prefabricated panel;
FIG. 4 is a diagram II of a standard panel of a UHPC prefabricated panel;
FIG. 5 is a third view of a standard panel of a UHPC prefabricated panel;
FIG. 6 is a first view of an end panel of the UHPC prefabricated panel;
FIG. 7 is a second view of an end panel of the UHPC prefabricated panel;
FIG. 8 is a third view of an end panel of the UHPC prefabricated panel;
FIG. 9 is a first drawing of a cross section of a UHPC prefabricated panel;
FIG. 10 is a second drawing of a cross section of a UHPC prefabricated panel;
FIG. 11 is a third drawing of a cross section of a UHPC prefabricated panel;
shown in the figure: slope surface 1, soil nail anchor rod 2, UHPC prefabricated panel 3, anchor sealing cover plate 4, backing plate 5, fixing bolt 6, grouting 7, reinforcing steel bar 8, horizontal metal connecting piece 9, vertical metal connecting piece 10, mounting hole 11, wash port 12.
Detailed Description
The technical solution of the present invention is further described by the following specific embodiments with reference to the accompanying drawings:
example 1
The utility model provides a UHPC assembled soil nail wall structure, including setting up soil nail stock 2 on slope surface 1 of side slope, set up the prefabricated panel 3 of UHPC on slope surface 1 of side slope.
The soil nail anchor rods 2 are arranged in rows and columns according to the height of the side slope. The soil nail anchor rod 2 is formed by grouting reinforcing steel bars and comprises reinforcing steel bars 7 and a grouting body 8, and cement paste used by the grouting body 8 comprises cement, fine aggregate, a water reducing agent, water and an expanding agent.
The end of each anchor bolt is fixed with the UHPC prefabricated panel 3 through a fixing bolt 6 and a backing plate 5. The prefabricated panel 3 is provided with a notch, a mounting hole 11 is arranged in the notch, and the fixing bolt 6 penetrates through the backing plate 5, penetrates through the mounting hole 11 and is fixed with the soil nail anchor rod 2. The UHPC prefabricated panel 3 is prefabricated and maintained by ultra-high performance concrete in a factory, and the compressive strength and the tensile strength of the ultra-high performance concrete are 120-160 MPa and 4-6 MPa respectively.
The UHPC prefabricated panels 3 which are adjacent in the transverse and longitudinal directions are sequentially sleeved through a horizontal metal connecting piece 9 and a vertical metal connecting piece 10 respectively. Horizontal metal connecting pieces 9 are pre-embedded on each UHPC prefabricated panel 3, the distance between every two adjacent horizontal metal connecting pieces 9 is 600-800mm, and the thickness of each horizontal metal connecting piece 9 is 2-6 mm. Vertical metal connectors 10 are pre-embedded in each UHPC prefabricated panel 3, the distance between every two adjacent vertical metal connectors 10 is 1000-1200mm, and the thickness of each vertical metal connector 10 is 2-6 mm.
After the soil nail anchor rod 2 and the UHPC prefabricated panel 3 are mutually installed and fixed, an anchor sealing cover plate 4 is packaged at the notch position of the UHPC prefabricated panel 3. The anchor sealing cover plate 4 is made of the same material as the UHPC prefabricated panel 3, the external dimension is matched with the dimension of the notch, and the thickness is 30-60 mm.
The construction method of the UHPC assembled soil nailing wall comprises the following steps:
firstly, excavating side slope soil bodies in a layered manner from top to bottom according to geotechnical engineering design, excavating the soil body of the top level side slope surface 1 at first, executing the size according to the design, and then leveling the side slope surface 1 of the first layer of side slope;
uniformly arranging holes of all rows of poured soil nail anchor rods on the slope surface of the first layer of side slope at intervals along the horizontal direction, placing reinforcing steel bars 8 in the holes and pouring a grouting body 7, wherein the end part of each reinforcing steel bar 8 is exposed out of the slope surface of the side slope by 200-300 mm; the center of the soil nail anchor rod hole of the slope surface 1 and the linear slant length of the slope bottom of the slope are matched with the selected panel, and the distance between two adjacent soil nail anchor rod holes is matched with the length of the selected panel;
thirdly, fixing UHPC prefabricated panels on a slope surface 1 of a side slope one by one in a layered manner along the horizontal direction, connecting two adjacent UHPC prefabricated panels through a horizontal metal connecting piece 9 and a vertical metal connecting piece 10, using a special-shaped plate or an end plate at the end part of the slope surface, and fixing the end part of a soil nailing anchor rod with the UHPC prefabricated panels 3 through a base plate 5 by using a fixing bolt 6;
fourthly, after the installation of the soil nail anchor rod 2 and the UHPC prefabricated panel 3 of the side slope is finished, the quality is checked, and then an anchor sealing cover plate 4 is installed;
and fifthly, circularly constructing all levels of soil nail anchor rods 2 and UHPC prefabricated panels 3 to the bottom of the slope in sequence downwards until the protection construction of the whole slope surface 1 of the slope is completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. The utility model provides a UHPC assembled soil nailing wall structure, UHPC assembled soil nailing wall lay in the slope face of side slope, its characterized in that: the UHPC assembled soil nailing wall is formed by assembling a plurality of soil nailing anchor rods and UHPC prefabricated panels;
the soil nail anchor rod and the UHPC prefabricated panel are mutually fixed through the combination of a backing plate and a fixing bolt;
and the UHPC prefabricated panels which are adjacent in the transverse and longitudinal directions are sequentially sleeved through a horizontal metal connecting piece and a vertical metal connecting piece respectively.
2. A UHPC fabricated soil nailing wall construction according to claim 1 wherein: the soil nail anchor rod is composed of grouting bodies and reinforcing steel bars, and the grouting bodies are wrapped on the reinforcing steel bars in a grouting mode.
3. A UHPC fabricated soil nailing wall construction according to claim 1 wherein: the UHPC prefabricated panel is divided into a standard panel, an end head panel and a heteromorphic panel; two or more groups of horizontal metal connecting pieces and vertical metal connecting pieces are respectively arranged on two symmetrical sides of the standard panel; two or more groups of horizontal metal connecting pieces are arranged on the transverse side of the end panel, and one group of vertical metal connecting pieces are arranged on the vertical side of the end panel; two or more groups of horizontal metal connecting pieces and vertical metal connecting pieces are respectively arranged on two symmetrical sides of the irregular surface plate, and the UHPC prefabricated panel of the irregular surface plate is prefabricated according to the terrain.
4. A UHPC fabricated soil nailing wall construction according to claim 3 wherein: the UHPC prefabricated panel is provided with one group or more than one group of combination of backing plates and fixing bolts.
5. A UHPC fabricated soil nailing wall construction according to claim 4 wherein: the UHPC prefabricated panel is provided with a notch, a mounting hole is formed in the notch, and a fixing bolt penetrates through the base plate and the mounting hole to be mutually mounted and fixed with the soil nail anchor rod.
6. A UHPC fabricated soil nailing wall construction according to claim 5 wherein: and the notch on the UHPC prefabricated panel is sealed and covered by an anchor sealing cover plate.
7. A UHPC fabricated soil nailing wall construction according to claim 5 wherein: and a water drainage hole is formed in the UHPC prefabricated panel.
8. A UHPC fabricated soil nailing wall construction of claim 7 wherein: and the notch position on the UHPC prefabricated panel, the horizontal metal connecting piece and the vertical metal connecting piece are all provided with reinforcing steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214226.1U CN217378938U (en) | 2022-01-26 | 2022-01-26 | UHPC assembled soil nail wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214226.1U CN217378938U (en) | 2022-01-26 | 2022-01-26 | UHPC assembled soil nail wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217378938U true CN217378938U (en) | 2022-09-06 |
Family
ID=83098548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220214226.1U Active CN217378938U (en) | 2022-01-26 | 2022-01-26 | UHPC assembled soil nail wall structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217378938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232656A (en) * | 2022-01-26 | 2022-03-25 | 甘肃省交通规划勘察设计院股份有限公司 | UHPC (ultra high performance polycarbonate) assembled soil nailing wall structure and construction method |
-
2022
- 2022-01-26 CN CN202220214226.1U patent/CN217378938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232656A (en) * | 2022-01-26 | 2022-03-25 | 甘肃省交通规划勘察设计院股份有限公司 | UHPC (ultra high performance polycarbonate) assembled soil nailing wall structure and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111705795B (en) | Prefabricated anchor pier for slope reinforcement and post-cast lattice beam assembly integral construction method | |
| CN207017275U (en) | Recyclable system of deep foundation pit support can be assembled | |
| CN111648492A (en) | Construction method of concealed stone-built wall body with embedded assembly type H-shaped steel framework | |
| CN217378938U (en) | UHPC assembled soil nail wall structure | |
| CN113417300B (en) | Slope support system and construction method thereof | |
| CN114232656A (en) | UHPC (ultra high performance polycarbonate) assembled soil nailing wall structure and construction method | |
| CN204690763U (en) | Long side slope protection concrete continuous fast pouring drawing-die system | |
| CN204645343U (en) | Prefabricated assembled concrete out-hung panel fastening devices | |
| CN212200464U (en) | Large prefabricated lattice beam structure for slope reinforcement | |
| CN106368445B (en) | Existing building reinforces self-supporting heat-insulating integral system and construction method | |
| CN211714001U (en) | Inner supporting device for prefabricated plate moulding bed | |
| CN109707072B (en) | Prestressed rammed earth building wall and construction method thereof | |
| CN210289267U (en) | Assembled platform canopy | |
| CN217204165U (en) | Assembled anchor rod frame beam | |
| CN113818352B (en) | Soft foundation high pier curve cast-in-situ box girder bridge and construction method thereof | |
| CN206189891U (en) | Existing building reinforcement is from load -bearing and insulating integration system | |
| CN111851518A (en) | Assembled soil nailing wall structure and construction method | |
| CN212772394U (en) | Underground building supporting system | |
| CN211621667U (en) | Tubular pile cushion cap girder steel rail mounted tower machine walking foundation structure | |
| CN210507502U (en) | Prefabricated assembled concrete slab bed structure | |
| CN108951684B (en) | Construction method of turnover type steel reinforced concrete construction elevator foundation | |
| CN114277672A (en) | Large-span prestressed concrete bent cap structure and construction method thereof | |
| CN112045841A (en) | Construction method of assembly type beam-making pedestal for prefabricating high-speed railway box beam | |
| CN204626397U (en) | Bearing structure under anchor in prestressed anchor flexible support system | |
| CN216740845U (en) | Prefabricated toilet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |