CN217460616U - Foundation pit side wall reinforcing structure - Google Patents
Foundation pit side wall reinforcing structure Download PDFInfo
- Publication number
- CN217460616U CN217460616U CN202221689803.9U CN202221689803U CN217460616U CN 217460616 U CN217460616 U CN 217460616U CN 202221689803 U CN202221689803 U CN 202221689803U CN 217460616 U CN217460616 U CN 217460616U
- Authority
- CN
- China
- Prior art keywords
- soil
- soil nailing
- rib
- ring body
- nailing
- 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
Landscapes
- Foundations (AREA)
Abstract
The utility model discloses a foundation pit side wall reinforced structure, including first row soil nail, first row prestressed anchorage cable, second row soil nail, second row prestressed anchorage cable, third row soil nail and fourth row soil nail, first row soil nail includes a plurality of first soil nail muscle, first row prestressed anchorage cable includes first double-piecing I-shaped steel roof beam and first prestressed anchorage cable, second row soil nail includes a plurality of second soil nail muscle, second row prestressed anchorage cable includes second double-piecing I-shaped steel roof beam and second prestressed anchorage cable, third row soil nail includes a plurality of third soil nail muscle, fourth row soil nail includes a plurality of fourth soil nail muscle, first soil nail, first prestressed anchorage cable, second soil nail muscle, second anchorage cable, third soil nail and fourth soil nail muscle are adjacent to be misplaced from top to bottom; and the soil nailing rib is provided with a positioning component. The utility model discloses a soil nail and prestressed anchorage cable composite support reinforce, and set up locating part on the soil nail, improved the reinforced stability and the security of foundation ditch lateral wall.
Description
Technical Field
The utility model belongs to the technical field of excavation supporting, especially, relate to a foundation ditch lateral wall reinforced structure.
Background
Along with the high-speed development of economy in China, the building industry is rapidly developed, the building land is more and more limited, the building foundation pit support is basically a necessary way for each engineering construction project at present, and the reasonable foundation pit support is selected, so that the method has remarkable significance for accelerating the progress of the engineering construction project, reducing the manufacturing cost of the engineering construction project and ensuring the quality of the engineering construction project.
For areas with complex geological conditions, in the process of building construction, a single supporting mechanism is generally adopted for supporting a foundation pit at present, such as cast-in-place pile supporting, soil nailing wall supporting, anchor cables and the like, but the single supporting structure has poor effect and can increase the construction cost; in addition, in the process of supporting the foundation pit, the insertion of the soil nails is difficult to ensure to be positioned in the center of the insertion holes, and the concrete on the peripheral sides of the soil nails is uneven after the concrete is poured, so that the fixing effect of the soil nails is reduced, and the reinforcing stability of the side wall of the foundation pit is influenced.
Therefore, now lack a simple structure, reasonable in design's foundation ditch lateral wall reinforced structure, through soil nail and prestressed anchorage cable composite support reinforcement, and set up locating component on the soil nail, improved the reinforced stability and the security of foundation ditch lateral wall.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, provide a foundation ditch lateral wall reinforced structure, its simple structure, reasonable in design, through soil nail and prestressed anchorage cable composite support reinforcement, and set up positioning element on the soil nail, improved foundation ditch lateral wall reinforced stability and security.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a foundation ditch lateral wall reinforced structure which characterized in that: the soil-discharging nail comprises a first soil-discharging nail, a first soil-discharging prestressed anchor cable, a second soil-discharging nail, a second soil-discharging prestressed anchor cable, a third soil-discharging nail and a fourth soil-discharging nail which are arranged along the height direction of the side wall of the foundation pit from top to bottom, wherein the first soil-discharging nail comprises a plurality of uniformly distributed first soil-discharging nails, the first soil-discharging nails comprise a first double-spliced I-shaped steel beam arranged along the width direction of the side wall of the foundation pit and a plurality of first prestressed anchor cables inserted in the first double-spliced I-shaped steel beam and extending into the side wall of the foundation pit, the second soil-discharging nail comprises a plurality of uniformly distributed second soil-discharging nails, the second soil-discharging nails comprise a second double-spliced I-shaped steel beam arranged along the width direction of the side wall of the foundation pit and a plurality of second prestressed anchor cables inserted in the second double-spliced I-shaped steel beam and extending into the side wall of the foundation pit, the third soil-discharging nails comprise a plurality of uniformly distributed third soil-discharging nails, and the fourth soil-discharging nails comprise a plurality of uniformly distributed fourth soil-discharging nails, the first soil nailing rib, the first pre-stressed anchor cable, the second soil nailing rib, the second pre-stressed anchor cable, the third soil nailing rib and the fourth soil nailing rib are adjacently arranged in a vertically staggered manner;
the soil nailing device is characterized in that a plurality of first positioning parts arranged along the length direction of the first soil nailing rib are arranged on the first soil nailing rib, a plurality of second positioning parts arranged along the length direction of the second soil nailing rib are arranged on the second soil nailing rib, a plurality of third positioning parts arranged along the length direction of the third soil nailing rib are arranged on the third soil nailing rib, and a plurality of fourth positioning parts arranged along the length direction of the fourth soil nailing rib are arranged on the fourth soil nailing rib.
Foretell foundation ditch lateral wall reinforced structure, its characterized in that: the horizontal distance between two adjacent first soil nailing ribs, the horizontal distance between two adjacent first pre-stressed anchor cables, the horizontal distance between two adjacent second soil nailing ribs, the horizontal distance between two adjacent second pre-stressed anchor cables, the horizontal distance between two adjacent third soil nailing ribs and the horizontal distance between two adjacent fourth soil nailing ribs are all 1.2-1.5 m;
and the vertical space between the first soil nailing rib, the first pre-stressed anchor cable, the second soil nailing rib, the second pre-stressed anchor cable, the third soil nailing rib and the fourth soil nailing rib is 1.2-1.5 m.
Foretell foundation ditch lateral wall reinforced structure, its characterized in that: the first soil nailing rib, the first pre-stressed anchor cable, the second soil nailing rib, the second pre-stressed anchor cable, the third soil nailing rib and the fourth soil nailing rib are all obliquely arranged in parallel, and the included angles between the first soil nailing rib, the first pre-stressed anchor cable, the second soil nailing rib, the second pre-stressed anchor cable, the third soil nailing rib and the fourth soil nailing rib and the horizontal plane are 5-8 degrees.
Foretell foundation ditch lateral wall reinforced structure, its characterized in that: the first soil nailing rib, the second soil nailing rib, the third soil nailing rib and the fourth soil nailing rib are marked as soil nailing ribs;
first locating component second locating component third locating component with fourth locating component's structure is the same, just first locating component second locating component third locating component with fourth locating component all establishes the locating ring body and a plurality of positioning roller part along locating ring body circumference equipartition on the soil nail muscle including the cover, the locating ring body is detachable locating ring body.
Foretell foundation ditch lateral wall reinforced structure, its characterized in that: the positioning ring body comprises a first positioning ring body and a second positioning ring body, the inner side walls of the first positioning ring body and the second positioning ring body are provided with semicircular holes, the semicircular holes in the first positioning ring body and the second positioning ring body form a circular clamping channel for clamping the soil nail reinforcement, and the circular clamping channel is provided with a plurality of uniformly distributed grooves;
one end of the first positioning ring body is connected with one end of the second positioning ring body through a hinge piece, and a bolt-nut connecting piece is arranged between the first positioning ring body and the second positioning ring body.
Foretell foundation ditch lateral wall reinforced structure, its characterized in that: the bolt-nut connecting piece comprises a first bolt and a second bolt which are symmetrically inserted into the first positioning ring body and the second positioning ring body, and locking nuts are arranged at the end parts of the first bolt and the second bolt penetrating through the first positioning ring body and the second positioning ring body.
Foretell foundation ditch lateral wall reinforced structure, its characterized in that: the positioning roller component comprises a sleeve seat, a spring installed in the sleeve seat, a U-shaped installation seat arranged at the extending end of the spring and a positioning roller installed in the U-shaped installation seat through a wheel shaft, wherein the positioning roller extends out of the U-shaped installation seat, and moves along the insertion hole.
Compared with the prior art, the utility model has the following advantage:
1. the utility model discloses a soil nailing muscle and prestressed anchorage cable composite support reinforce, improve the structural strength and the anti deformability of foundation ditch lateral wall to the reinforced stability and the security of foundation ditch lateral wall have been improved.
2. The utility model discloses first soil nail muscle, first prestressed anchorage cable, second soil nail muscle, second prestressed anchorage cable, third soil nail muscle and the adjacent dislocation of fourth soil nail muscle are laid from top to bottom, have realized the reinforcement in each region of foundation ditch lateral wall.
3. The utility model discloses set up first locating part, second locating part, third locating part and fourth locating part on first soil nail muscle, second soil nail muscle, third soil nail muscle and the fourth soil nail muscle respectively, realized the centering that the soil nail muscle was inserted and established through locating part to make the soil nail be located the central point that inserts and establishes the hole, improve the concrete and pour evenly, thereby improve the fixed effect of soil nail, thereby improve the foundation ditch lateral wall and consolidate stability; in addition, the positioning component supports the inserting hole, so that the convenience of construction operation is improved.
To sum up, the utility model discloses simple structure, reasonable in design, through soil nail and prestressed anchorage cable composite support reinforcement, and set up locating part on the soil nail, improved the reinforced stability and the security of foundation ditch lateral wall.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is the utility model discloses the position schematic diagram of first soil nail muscle, first prestressed anchorage cable, second soil nail muscle, second prestressed anchorage cable, third soil nail muscle and fourth soil nail muscle.
Fig. 3 is a schematic structural diagram of the first positioning component, the second positioning component, the third positioning component and the fourth positioning component of the present invention.
Description of reference numerals:
1-a first soil nailing rib; 2, a first row of pre-stressed anchor cables; 2-1-a first double-spliced i-beam;
2-a first pre-stressed anchor cable; 3-second soil nailing ribs; 4, a second row of pre-stressed anchor cables;
4-1-a second double-spliced I-shaped steel beam; 4-2-a second pre-stressed anchor cable; 5-third soil nailing ribs;
6-fourth soil nailing rib; 7, side wall of the foundation pit; 8-a positioning ring body;
8-1 — a first positioning ring body; 8-2 — a second retaining ring body; 8-3 — first bolt;
8-4-second bolt; 8-5-hinge parts; 8-6-circular clamping channel;
9-positioning the roller member; 9-1-a sleeve mount; 9-2-spring;
9-3-U-shaped mount; 9-4-positioning rollers; and 10, spraying a steel mesh concrete layer.
Detailed Description
As shown in fig. 1 to 3, the present invention comprises a first row of soil nails, a first row of prestressed anchor cables 2, a second row of soil nails, a second row of prestressed anchor cables 4, a third row of soil nails and a fourth row of soil nails arranged along the height direction of the foundation pit side wall 7 from top to bottom, wherein the first row of soil nails comprises a plurality of first soil nail ribs 1 uniformly distributed, the first row of prestressed anchor cables 2 comprises a first double-spliced i-shaped steel beam 2-1 arranged along the width direction of the foundation pit side wall 7 and a plurality of first prestressed anchor cables 2-2 inserted into the first double-spliced i-shaped steel beam 2-1 and extending into the foundation pit side wall, the second row of prestressed anchor cables 4-1 comprises a plurality of second soil nails 3 uniformly distributed, the second row of prestressed anchor cables 4 comprises a second double-spliced i-shaped steel beam 4-1 arranged along the width direction of the foundation pit side wall 7 and a plurality of second prestressed anchor cables 4-2 inserted into the second double-spliced i-shaped steel beam 4-1 and extending into the foundation pit side wall, the third soil nailing gun comprises a plurality of uniformly distributed third soil nailing ribs 5, the fourth soil nailing gun comprises a plurality of uniformly distributed fourth soil nailing ribs 6, and the first soil nailing ribs 1, the first pre-stressed anchor cables 2-2, the second soil nailing ribs 3, the second pre-stressed anchor cables 4-2, the third soil nailing ribs 5 and the fourth soil nailing ribs 6 are adjacently arranged in a vertically staggered manner;
the soil nailing device is characterized in that a plurality of first positioning parts arranged along the length direction of the first soil nailing rib 1 are arranged on the first soil nailing rib 1, a plurality of second positioning parts arranged along the length direction of the second soil nailing rib 3 are arranged on the second soil nailing rib 3, a plurality of third positioning parts arranged along the length direction of the third soil nailing rib 5 are arranged on the third soil nailing rib 5, and a plurality of fourth positioning parts arranged along the length direction of the fourth soil nailing rib 6 are arranged on the fourth soil nailing rib 6.
In the embodiment, the horizontal distance between two adjacent first soil nailing ribs 1, the horizontal distance between two adjacent first prestressed anchor cables 2-2, the horizontal distance between two adjacent second soil nailing ribs 3, the horizontal distance between two adjacent second prestressed anchor cables 4-2, the horizontal distance between two adjacent third soil nailing ribs 5 and the horizontal distance between two adjacent fourth soil nailing ribs 6 are all 1.2-1.5 m;
the vertical space between the first soil nailing rib 1, the first pre-stressed anchor cable 2-2, the second soil nailing rib 3, the second pre-stressed anchor cable 4-2, the third soil nailing rib 5 and the fourth soil nailing rib 6 is 1.2-1.5 m.
In this embodiment, the first soil nailing rib 1, the first pre-stressed anchor cable 2-2, the second soil nailing rib 3, the second pre-stressed anchor cable 4-2, the third soil nailing rib 5 and the fourth soil nailing rib 6 are all obliquely arranged in parallel, and the included angle between the first soil nailing rib 1, the first pre-stressed anchor cable 2-2, the second soil nailing rib 3, the second pre-stressed anchor cable 4-2, the third soil nailing rib 5 and the fourth soil nailing rib 6 and the horizontal plane is 5 to 8 °.
In this embodiment, the first soil nailing rib 1, the second soil nailing rib 3, the third soil nailing rib 5 and the fourth soil nailing rib 6 are marked as soil nailing ribs;
first locating component second locating component third locating component with fourth locating component's structure is the same, just first locating component second locating component third locating component with fourth locating component all establishes the locating ring body 8 and a plurality of locating roller part 9 along 8 circumference equipartitions of locating ring body on the soil nail muscle including the cover, locating ring body 8 is the detachable locating ring body.
In the embodiment, the positioning ring body 8 comprises a first positioning ring body 8-1 and a second positioning ring body 8-2, the inner side walls of the first positioning ring body 8-1 and the second positioning ring body 8-2 are provided with semicircular holes, the semicircular holes in the first positioning ring body 8-1 and the second positioning ring body 8-2 form a circular clamping channel 8-6 for clamping the soil nailing tendon, and the circular clamping channel 8-6 is provided with a plurality of uniformly distributed grooves;
one end of the first positioning ring body 8-1 is connected with one end of the second positioning ring body 8-2 through a hinge piece 8-5, and a bolt and nut connecting piece is arranged between the first positioning ring body 8-1 and the second positioning ring body 8-2.
In this embodiment, the bolt-nut connecting piece includes a first bolt 8-3 and a second bolt 8-4 symmetrically inserted into the first positioning ring body 8-1 and the second positioning ring body 8-2, and the ends of the first bolt 8-3 and the second bolt 8-4 penetrating through the first positioning ring body 8-1 and the second positioning ring body 8-2 are provided with locking nuts.
In the embodiment, the number of the positioning roller components is three, the three positioning roller components are uniformly distributed along the outer side faces of the circumferences of the first positioning ring body 8-1 and the second positioning ring body 8-2, each positioning roller component comprises a sleeve seat 9-1, a spring 9-2 installed in the sleeve seat 9-1, a U-shaped installation seat 9-3 arranged at the extending end of the spring 9-2 and a positioning roller 9-4 installed in the U-shaped installation seat 9-3 through a wheel shaft, the positioning roller 9-4 extends out of the U-shaped installation seat 9-3, and the positioning roller 9-4 moves along the insertion hole.
In this embodiment, the foundation pit side wall 7 is further provided with a mesh reinforcement concrete sprayed layer 10, and the protruding ends of the first row of soil nails, the first row of pre-stressed anchor cables 2, the second row of soil nails, the second row of pre-stressed anchor cables 4, the third row of soil nails, and the fourth row of soil nails all penetrate through the mesh reinforcement concrete sprayed layer 10.
In this embodiment, during actual construction, the horizontal distance between two adjacent first soil nailing bars 1, the horizontal distance between two adjacent first prestressed anchor cables 2-2, the horizontal distance between two adjacent second soil nailing bars 3, the horizontal distance between two adjacent second prestressed anchor cables 4-2, the horizontal distance between two adjacent third soil nailing bars 5, and the horizontal distance between two adjacent fourth soil nailing bars 6 are all 1.5 m;
and the vertical space among the first soil nailing rib 1, the first pre-stressed anchor cable 2-2, the second soil nailing rib 3, the second pre-stressed anchor cable 4-2, the third soil nailing rib 5 and the fourth soil nailing rib 6 is 1.5 m.
In this embodiment, the included angle between the first soil nailing rib 1, the first pre-stressed anchor cable 2-2, the second soil nailing rib 3, the second pre-stressed anchor cable 4-2, the third soil nailing rib 5 and the fourth soil nailing rib 6 and the horizontal plane is 5 °.
In this embodiment, during actual construction, the lengths of the first pre-stressed anchor cable 2-2 and the second pre-stressed anchor cable 4-2 are both 15m, the length of the anchoring section of the first pre-stressed anchor cable 2-2 is 9m, and the length of the free end of the first pre-stressed anchor cable 2-2 is 6 m; the length of the anchoring section of the second pre-stressed anchor cable 4-2 is 10m, and the length of the free end of the second pre-stressed anchor cable 4-2 is 5 m.
In this embodiment, during actual construction, the insertion holes where the first pre-stressed anchor cable 2-2 and the second pre-stressed anchor cable 4-2 are located are grouted by M20 cement slurry.
In this embodiment, during actual construction, the first pre-stressed anchor cable 2-2 and the second pre-stressed anchor cable 4-2 both include 2S 15.2-1860 steel strands.
In the embodiment, the extending ends of the first pre-stressed anchor cable 2-2 and the second pre-stressed anchor cable 4-2 are anchored on the first double-spliced I-shaped steel beam 2-1 and the second double-spliced I-shaped steel beam 4-1 through an anchorage device and a steel base plate.
In this embodiment, during actual construction, the length of the first soil nailing rib 1 is 7m, the length of the second soil nailing rib 3 is 9m, the length of the third soil nailing rib 5 is 9m, and the length of the fourth soil nailing rib 6 is 6 m.
In this embodiment, during actual construction, the first soil nailing rib 1, the second soil nailing rib 3, the third soil nailing rib 5 and the fourth soil nailing rib 6 are all the reinforcing steel bars with the diameter of 20mm and the diameter of HRB 400E.
In this embodiment, the depth of the foundation pit is 9.5m, and the heights of the first soil nailing rib 1, the first pre-stressed anchor cable 2-2, the second soil nailing rib 3, the second pre-stressed anchor cable 4-2, the third soil nailing rib 5 and the fourth soil nailing rib 6 from the pit bottom are 8m, 6.5m, 5m, 3.5m, 2m and 0.5m respectively.
In the embodiment, the sleeve seat 9-1 is arranged for mounting the spring 9-2 and limiting the telescopic path of the spring 9-2, so that the spring 9-2 is radially stretched and contracted, and the U-shaped mounting seat 9-3 and the positioning roller 9-4 in the U-shaped mounting seat 9-3 are driven to radially move, thereby effectively adapting to the aperture of the insertion holes of different soil nailing ribs and improving the adaptation range.
In the embodiment, the positioning roller 9-4 is arranged, so that under the action of the spring 9-2, the positioning roller 9-4 can be adjusted to be always in contact with the inner side wall of the insertion hole, and the axial line of the soil nailing rib is ensured to be coaxial with the central line of the insertion hole; in addition, the positioning roller 9-4 moves along the insertion hole, so that friction is reduced, and the insertion of the soil nail ribs is facilitated.
In this embodiment, the hinge members 8-5 are arranged, so that after the bolt and nut connecting members in the first positioning ring body and the second positioning ring body are removed, the first positioning ring body and the second positioning ring body can be opened and closed through the hinge members 8-5, the positioning ring body 8 is conveniently sleeved on the soil nail rib, and convenience in installation and operation is improved.
In the embodiment, the first bolt 8-3 and the second bolt 8-4 are arranged, so that the first positioning ring body and the second positioning ring body can be conveniently locked subsequently, the mounting accuracy is improved, and the soil nailing rib clamp is ensured to be mounted in place.
In the embodiment, the circular clamping channels 8-6 are provided with a plurality of uniformly distributed grooves, so that friction is improved, and clamping of the soil nailing ribs is facilitated.
In the embodiment, the positioning ring body 8 and the positioning roller component 9 are arranged, so that the insertion and centering of the soil nail ribs are realized, the soil nails are positioned in the center of the insertion holes, the uniform concrete pouring is improved, the fixing effect of the soil nails is improved, and the reinforcing stability of the side wall of the foundation pit is improved; in addition, the positioning ring body 8 and the positioning roller part 9 are supported in the inserting holes, so that the convenience of construction operation is improved.
To sum up, the utility model discloses simple structure, reasonable in design, the perpendicular lateral wall of foundation ditch adopts reinforcing bar net concrete to spout the layer and strut, and the slope lateral wall of foundation ditch adopts reinforcing bar net concrete to spout the layer and miniature stake is strutted, has improved the stability of excavation supporting, adapts to the limited regional excavation between the sample plate effectively.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.
Claims (7)
1. The utility model provides a foundation ditch lateral wall reinforced structure which characterized in that: the foundation pit soil-discharging nail comprises a first soil-discharging nail, a first pre-stressed anchor cable (2), a second soil-discharging nail, a second pre-stressed anchor cable (4), a third soil-discharging nail and a fourth soil-discharging nail which are arranged along the height direction of a foundation pit side wall (7) from top to bottom, wherein the first soil-discharging nail comprises a plurality of uniformly distributed first soil reinforcing bars (1), the first pre-stressed anchor cable (2) comprises a first double-spliced I-shaped steel beam (2-1) arranged along the width direction of the foundation pit side wall (7) and a plurality of first pre-stressed anchor cables (2-2) inserted in the first double-spliced I-shaped steel beam (2-1) and extending into the foundation pit side wall, the second soil-discharging nail comprises a plurality of uniformly distributed second soil reinforcing bars (3), the second pre-stressed anchor cable (4) comprises a second double-spliced I-shaped steel beam (4-1) arranged along the width direction of the foundation pit side wall (7) and a plurality of second pre-stressed I-shaped steel beams inserted in the second double-spliced I-shaped steel beam (4-1) and extending into the stress side wall The anchor cables (4-2), the third soil discharging nails comprise a plurality of uniformly distributed third soil nailing ribs (5), the fourth soil discharging nails comprise a plurality of uniformly distributed fourth soil nailing ribs (6), and the first soil nailing ribs (1), the first pre-stressed anchor cables (2-2), the second soil nailing ribs (3), the second pre-stressed anchor cables (4-2), the third soil nailing ribs (5) and the fourth soil nailing ribs (6) are adjacently arranged in a vertically staggered manner;
the soil nailing device is characterized in that a plurality of first positioning parts arranged along the length direction of the first soil nailing rib (1) are arranged on the first soil nailing rib (1), a plurality of second positioning parts arranged along the length direction of the second soil nailing rib (3) are arranged on the second soil nailing rib (3), a plurality of third positioning parts arranged along the length direction of the third soil nailing rib (5) are arranged on the third soil nailing rib (5), and a plurality of fourth positioning parts arranged along the length direction of the fourth soil nailing rib (6) are arranged on the fourth soil nailing rib (6).
2. A foundation pit side wall reinforcing structure according to claim 1, wherein: the horizontal distance between two adjacent first soil nailing ribs (1), the horizontal distance between two adjacent first pre-stressed anchor cables (2-2), the horizontal distance between two adjacent second soil nailing ribs (3), the horizontal distance between two adjacent second pre-stressed anchor cables (4-2), the horizontal distance between two adjacent third soil nailing ribs (5) and the horizontal distance between two adjacent fourth soil nailing ribs (6) are all 1.2-1.5 m;
the vertical space between the first soil nailing rib (1), the first pre-stressed anchor cable (2-2), the second soil nailing rib (3), the second pre-stressed anchor cable (4-2), the third soil nailing rib (5) and the fourth soil nailing rib (6) is 1.2-1.5 m.
3. A foundation pit side wall reinforcing structure according to claim 2, wherein: the first soil nailing rib (1), the first pre-stressed anchor cable (2-2), the second soil nailing rib (3), the second pre-stressed anchor cable (4-2), the third soil nailing rib (5) and the fourth soil nailing rib (6) are all obliquely arranged in parallel, and included angles between the first soil nailing rib (1), the first pre-stressed anchor cable (2-2), the second soil nailing rib (3), the second pre-stressed anchor cable (4-2), the third soil nailing rib (5) and the fourth soil nailing rib (6) and the horizontal plane are 5-8 degrees.
4. A foundation pit side wall reinforcing structure according to claim 1, wherein: the first soil nailing rib (1), the second soil nailing rib (3), the third soil nailing rib (5) and the fourth soil nailing rib (6) are marked as soil nailing ribs;
first locating component second locating component third locating component with fourth locating component's structure is the same, just first locating component second locating component third locating component with fourth locating component all establishes locating ring body (8) and a plurality of positioning roller part (9) along locating ring body (8) circumference equipartition on the soil nail muscle including the cover, locating ring body (8) are the detachable locating ring body.
5. The foundation pit side wall reinforcing structure according to claim 4, wherein: the positioning ring body (8) comprises a first positioning ring body (8-1) and a second positioning ring body (8-2), semicircular holes are formed in the inner side walls of the first positioning ring body (8-1) and the second positioning ring body (8-2), the semicircular holes in the first positioning ring body (8-1) and the second positioning ring body (8-2) form a circular clamping channel (8-6) for clamping the soil nail bar, and a plurality of uniformly distributed grooves are formed in the circular clamping channel (8-6);
one end of the first positioning ring body (8-1) is connected with one end of the second positioning ring body (8-2) through a hinge piece (8-5), and a bolt and nut connecting piece is arranged between the first positioning ring body (8-1) and the second positioning ring body (8-2).
6. The foundation pit side wall reinforcing structure according to claim 5, wherein: the bolt-nut connecting piece comprises a first bolt (8-3) and a second bolt (8-4) which are symmetrically inserted into a first positioning ring body (8-1) and a second positioning ring body (8-2), and locking nuts are arranged at the ends of the first bolt (8-3) and the second bolt (8-4) penetrating through the first positioning ring body (8-1) and the second positioning ring body (8-2).
7. The foundation pit side wall reinforcing structure according to claim 5, wherein: the positioning roller comprises three positioning roller components which are uniformly distributed along the outer side faces of the circumferences of a first positioning ring body (8-1) and a second positioning ring body (8-2), each positioning roller component comprises a sleeve seat (9-1), a spring (9-2) installed in the sleeve seat (9-1), a U-shaped installation seat (9-3) arranged at the extending end of the spring (9-2) and a positioning roller (9-4) installed in the U-shaped installation seat (9-3) through a wheel shaft, the positioning roller (9-4) extends out of the U-shaped installation seat (9-3), and the positioning roller (9-4) moves along an insertion hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221689803.9U CN217460616U (en) | 2022-06-30 | 2022-06-30 | Foundation pit side wall reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221689803.9U CN217460616U (en) | 2022-06-30 | 2022-06-30 | Foundation pit side wall reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217460616U true CN217460616U (en) | 2022-09-20 |
Family
ID=83239547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221689803.9U Active CN217460616U (en) | 2022-06-30 | 2022-06-30 | Foundation pit side wall reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217460616U (en) |
-
2022
- 2022-06-30 CN CN202221689803.9U patent/CN217460616U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3516121B1 (en) | Foundation for a wind turbine | |
| AT517958B1 (en) | Foundation for a wind turbine | |
| AT517959B1 (en) | Foundation for a wind turbine | |
| US9284710B2 (en) | Prefabricated concrete pole base and adjustable connector | |
| CN102031784A (en) | Slope protection pile pouring and cable bolting construction method for deep foundation pit | |
| US20130036678A1 (en) | Prefabricated concrete pole base and adjustable connector | |
| AT519189A1 (en) | Foundation for a windmill | |
| CN112469864A (en) | Base for wind turbine | |
| CN210315639U (en) | Accurate positioning auxiliary structure of major diameter steel core concrete column socket joint formula column base | |
| KR102243984B1 (en) | Non-supporting formwork system for retaining wall using self-supporting form and construction method thereof | |
| CN113136890B (en) | Tower foundation and construction method thereof | |
| US11280105B2 (en) | Prefabricated concrete pole base and method of installation | |
| CN217460616U (en) | Foundation pit side wall reinforcing structure | |
| CN113137046A (en) | Anchored I-steel cantilever frame member and construction method | |
| CN113404268A (en) | Basement exterior wall scaffold system and construction method thereof | |
| CN110541429B (en) | Energy-consuming bolt type connecting method for connecting concrete prefabricated column and foundation | |
| CN104727322A (en) | Recoverable device for fixing anchor rod with steel pipe pile and construction method | |
| CN113322973B (en) | Deep foundation pit support structure and construction method thereof | |
| CN115125981A (en) | Assembly type foundation device and using method thereof | |
| CN107190757B (en) | The construction method and support system of recyclable system of deep foundation pit support can be assembled | |
| CN105821891A (en) | Construction method for reinforced concrete panel for prestress anchoring of slope and formwork forming structure of concrete panel | |
| WO2014124737A1 (en) | Gravity foundation for an offshore structure | |
| CN219993352U (en) | Side protection railing of foundation pit supporting beam | |
| CN218757521U (en) | PC construction method pile and inclined strut combined supporting structure | |
| CN217325334U (en) | Construction method pile system with prestressed anchorage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |