CN211646413U - Modular lattice steel frame shotcrete anchor supporting construction - Google Patents
Modular lattice steel frame shotcrete anchor supporting construction Download PDFInfo
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- CN211646413U CN211646413U CN202020070638.3U CN202020070638U CN211646413U CN 211646413 U CN211646413 U CN 211646413U CN 202020070638 U CN202020070638 U CN 202020070638U CN 211646413 U CN211646413 U CN 211646413U
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- fixedly connected
- supporting
- support
- steel frame
- shotcrete
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 38
- 239000010959 steel Substances 0.000 title claims abstract description 38
- 239000011378 shotcrete Substances 0.000 title claims abstract description 28
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 14
- 239000011150 reinforced concrete Substances 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 9
- 239000003973 paint Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011449 brick Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 11
- 238000004873 anchoring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Abstract
The utility model discloses a modular lattice steel frame shotcrete supporting construction, including the foundation surface, the foundation ditch has been seted up to the upper surface of foundation surface, the symmetrical whitewashing of inner wall fixedly connected with of foundation ditch props up the retaining wall, two the trough-type steel that the equal fixedly connected with equidistance in a side that whitewashing retaining wall is close to each other was arranged, two be connected with the support horizontal pole that the equidistance was arranged between the trough-type steel jointly, every support the support montant that the equal fixedly connected with equidistance in top of horizontal pole was arranged, the last fixed surface of foundation surface inlays and has the bed course. This combination formula lattice steel frame shotcrete supporting construction utilizes stock retaining wall and lattice steel frame just can accomplish the construction operation in the foundation ditch, does not need large-scale machinery to be under construction, and work area is little, has solved present excavation supporting mode and has need to adopt large-scale machinery to strut, and the operation limitation is great, leads to the problem of the narrow and small excavation supporting difficulty of surrounding environment condition complicacy, support operation face.
Description
Technical Field
The utility model relates to a excavation supporting technology field specifically is a modular lattice steel frame shotcrete anchor supporting construction.
Background
The foundation pit supporting is a temporary engineering, the designed safety reserve can be relatively small, but is related to the regionalism, the characteristics of different regional geological conditions are different, the foundation pit supporting engineering is a subject of mutual intersection of geotechnical engineering, structural engineering and construction technology, and is a system engineering influenced by various complex factors in an interactive mode.
Along with the continuous construction of urban infrastructure, the surrounding environment of a foundation pit is more and more complicated, higher requirements are provided for the design and construction of foundation pit engineering, the safety of a foundation pit supporting structure is ensured, the safe use of the surrounding buildings of the foundation pit, an underground pipe network and roads is ensured, the current foundation pit supporting mode needs to adopt large-scale machinery for supporting, the operation limitation is large, the foundation pit supporting difficulty that the surrounding environment conditions are complicated and the supporting operation surface is narrow is caused, and therefore the combined lattice steel frame jet-anchoring supporting structure is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modular lattice steel frame shotcrete supporting construction to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a combined lattice steel frame shotcrete supporting structure comprises a foundation surface, wherein a foundation pit is formed in the upper surface of the foundation surface, symmetrical shotcrete supporting walls are fixedly connected to the inner wall of the foundation pit, two sides, close to each other, of the shotcrete supporting walls are fixedly connected with channel steel sections which are arranged equidistantly, two supporting cross rods which are arranged equidistantly are commonly connected between the two channel steel sections, supporting vertical rods which are arranged equidistantly are fixedly connected above each supporting cross rod, a cushion layer is fixedly embedded in the upper surface of the foundation surface, a reinforced concrete maintaining beam is fixedly connected to the upper surface of the cushion layer, anchor rods which are arranged equidistantly are fixedly connected to one side, far away from each other, of the two shotcrete supporting walls, transverse reinforcing steel bars which are arranged equidistantly are arranged inside the shotcrete supporting walls, longitudinal reinforcing steel bars which are arranged equidistantly are arranged inside the shotcrete supporting walls, the outer surface of each transverse reinforcing steel bar is fixedly connected with a reinforcing steel bar mesh, and the outer surface of each transverse reinforcing steel bar is fixedly connected with the outer surface of each longitudinal reinforcing steel bar through an iron wire.
Preferably, two equal fixedly connected with supporting seat in the side that whitewashing buttress wall is close to each other, two the side that the supporting seat is close to each other is connected with jointly and strengthens dark propping.
Preferably, cross inclined struts are arranged between the two supporting vertical rods, and the outer surfaces of the cross inclined struts are fixedly connected with the outer surfaces of the supporting vertical rods and the outer surfaces of the supporting cross rods respectively.
Preferably, the outer surface of each supporting cross rod is sprayed with antirust paint, and the thickness of the antirust paint is at least two millimeters.
Preferably, the upper surface of the reinforced concrete maintenance beam is fixedly connected with a water retaining platform, and the water retaining platform is made of brick masonry plastering.
Preferably, each anchor rod is inclined, and the inclination angle is at least 45 degrees.
Advantageous effects
The utility model discloses possess following beneficial effect:
1. the supporting structure supports the foundation pit by combining the anchor rod supporting wall and the combined lattice steel frame, forms a foundation pit side slope supporting framework by utilizing the anchor rods, the transverse reinforcing steel bars, the longitudinal reinforcing steel bars and the reinforcing steel bar meshes, the shotcrete supporting wall is formed by shotcrete, supporting of a foundation pit side slope is achieved, the phenomenon of collapse is avoided, a latticed steel frame is formed between the shotcrete supporting walls through supporting transverse rods and supporting vertical rods matched with groove-shaped steel, bearing capacity of the shotcrete supporting walls is improved, the shotcrete supporting walls are prevented from cracking and collapsing, construction operation can be completed by anchor rod supporting walls and the latticed steel frame in a foundation pit, construction is not needed by large-scale machinery, working area is small, the problem that an existing foundation pit supporting mode needs large-scale machinery to be used for supporting is solved, operation limitation is large, surrounding environmental conditions are complex, and supporting of a narrow foundation pit is difficult.
2. Set up through the foundation ditch bottom and strengthen dark bracing cooperation supporting shoe, can improve the rigidity of bottom whitewashing support wall, be convenient for protect the bottom of whitewashing support wall, cooperate with alternately bracing through supporting the horizontal pole and supporting the montant, can guarantee the stability of lattice steel frame, set up bed course and reinforced concrete maintenance roof beam through the foundation ditch edge, can guarantee the intensity at foundation ditch edge, avoid earth to fall into inside the foundation ditch simultaneously, through setting up the manger plate case, can play the effect of manger plate, prevent that flowing water from getting into inside the foundation ditch.
Drawings
FIG. 1 is a front sectional view of a foundation pit of the present invention;
FIG. 2 is a top view of the foundation pit of the present invention;
fig. 3 is a side sectional view of the guniting support wall of the present invention.
In the figure: the concrete foundation comprises a foundation surface 1, anchor rods 2, groove-shaped steel 3, a gunite supporting wall 4, a reinforced concrete maintenance beam 5, vertical supporting rods 6, cross inclined struts 7, cross supporting rods 8, water retaining platforms 9, a cushion layer 10, antirust paint 11, a supporting seat 12, a reinforcing hidden strut 13, a foundation pit 14, a reinforcing mesh 15, transverse reinforcing steel bars 16 and longitudinal reinforcing steel bars 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a combined lattice steel frame shotcrete supporting structure comprises a foundation surface 1, wherein a foundation pit 14 is formed in the upper surface of the foundation surface 1, symmetrical gunite supporting walls 4 are fixedly connected to the inner wall of the foundation pit 14, supporting seats 12 are fixedly connected to one side face, close to each other, of each gunite supporting wall 4, one side face, close to each other, of each supporting seat 12 is commonly connected with a reinforcing hidden support 13, the strength of the bottom of the foundation pit 14 can be improved, the side faces, close to each other, of each gunite supporting wall 4 are fixedly connected with groove-type steels 3 which are arranged equidistantly, supporting cross rods 8 which are arranged equidistantly are commonly connected between the two groove-type steels 3, supporting vertical rods 6 which are arranged equidistantly are fixedly connected above each supporting cross rod 8, cross braces 7 are arranged between the two supporting vertical rods 6, and the outer surfaces of the cross braces 7 are fixedly connected with the outer surfaces of the supporting vertical rods 6, can improve the stability of lattice steel frame, the last fixed surface of foundation surface 1 inlays and has bed course 10, the last fixed surface of bed course 10 is connected with reinforced concrete maintenance roof beam 5, the stock 2 that the equal fixedly connected with equidistance of a side of keeping away from each other of two whitewashing retaining wall 4 was arranged, every surface that supports horizontal pole 8 all is sprayed and is had anti-rust paint 11, and anti-rust paint 11's thickness is two millimeters at least, can avoid rustting.
The inside of guniting buttress wall 4 is equipped with the horizontal reinforcing bar 16 that the equidistance was arranged, the inside of guniting buttress wall 4 is equipped with the vertical reinforcing bar 17 that the equidistance was arranged, the common fixedly connected with reinforcing bar net piece 15 of the surface of every horizontal reinforcing bar 16, the surface of every horizontal reinforcing bar 16 all is connected with the fixed surface of vertical reinforcing bar 17 through the iron wire, the last fixed surface of reinforced concrete maintenance roof beam 5 is connected with manger plate platform 9, manger plate platform 9 adopts the brick body to build and plaster, can prevent that flowing water from getting into inside foundation ditch 14, every stock 2 is the slope form, and inclination is 45 degrees at least, improve the anchoring power of stock 2.
The working principle is as follows: during construction, firstly paying off according to a drawing, excavating a foundation pit 14, pouring a cushion layer 10 and a reinforced concrete maintenance beam 5 at the edge of the foundation pit 14 after the foundation pit 14 is excavated, building a water retaining platform 9 on the reinforced concrete maintenance beam 5, then punching the inner wall of the foundation pit 14 and installing an anchor rod 2 for grouting, after the anchor rod 2 is firmly fixed, binding transverse reinforcing steel bars 16 and longitudinal reinforcing steel bars 17 on the inner wall of the foundation pit 14 and paving a reinforcing mesh sheet 15, spraying concrete for slope protection to form a guniting support wall 4, installing a support plate 12 on the bottom side surface of the guniting support wall 4, arranging a reinforcing hidden support 13, then installing groove-shaped steel 3 on the side surface of the guniting support wall 4, connecting a support cross rod 8, a support vertical rod 6 and an inclined support 7 between the groove-shaped steel 3, and spraying antirust paint 11 on the support cross rod 8 for antirust treatment.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a modular lattice steel frame shotcrete supporting construction, includes basal plane (1), its characterized in that: the concrete foundation structure is characterized in that a foundation pit (14) is formed in the upper surface of the foundation surface (1), symmetrical guniting support walls (4) are fixedly connected to the inner wall of the foundation pit (14), two side faces, close to each other, of the guniting support walls (4) are fixedly connected with channel steel (3) which are arranged equidistantly, two support cross rods (8) which are arranged equidistantly are connected between the two channel steel (3) together, support vertical rods (6) which are arranged equidistantly are fixedly connected to the upper portions of the support cross rods (8), a cushion layer (10) is fixedly embedded in the upper surface of the foundation surface (1), reinforced concrete maintenance beams (5) are fixedly connected to the upper surface of the cushion layer (10), anchor rods (2) which are arranged equidistantly are fixedly connected to one side face, far away from each other, of the two guniting support walls (4), and transverse reinforcing steel bars (16) which are arranged equidistantly are arranged in the inner portion of the, the inner portion of the guniting support wall (4) is provided with longitudinal steel bars (17) which are arranged equidistantly, the outer surface of each transverse steel bar (16) is fixedly connected with a steel bar net piece (15) in a common mode, and the outer surface of each transverse steel bar (16) is fixedly connected with the outer surface of each longitudinal steel bar (17) through iron wires.
2. The modular lattice steel frame shotcrete support structure of claim 1, wherein: two equal fixedly connected with supporting seat (12) in the side that whitewashing buttress wall (4) are close to each other, two a side that supporting seat (12) are close to each other is connected with jointly and strengthens dark brace (13).
3. The modular lattice steel frame shotcrete support structure of claim 1, wherein: two be equipped with cross bracing (7) between support montant (6), every the surface of cross bracing (7) respectively with the surface of supporting montant (6) and the outer fixed surface connection who supports horizontal pole (8).
4. The modular lattice steel frame shotcrete support structure of claim 1, wherein: every the surface of supporting horizontal pole (8) all has sprayed anti-rust paint (11), the thickness of anti-rust paint (11) is two millimeters at least.
5. The modular lattice steel frame shotcrete support structure of claim 1, wherein: the upper surface of the reinforced concrete maintenance beam (5) is fixedly connected with a water retaining platform (9), and the water retaining platform (9) is constructed and plastered by adopting a brick body.
6. The modular lattice steel frame shotcrete support structure of claim 1, wherein: every stock (2) are the slope form, and inclination is 45 degrees at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020070638.3U CN211646413U (en) | 2020-01-14 | 2020-01-14 | Modular lattice steel frame shotcrete anchor supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020070638.3U CN211646413U (en) | 2020-01-14 | 2020-01-14 | Modular lattice steel frame shotcrete anchor supporting construction |
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| Publication Number | Publication Date |
|---|---|
| CN211646413U true CN211646413U (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020070638.3U Active CN211646413U (en) | 2020-01-14 | 2020-01-14 | Modular lattice steel frame shotcrete anchor supporting construction |
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| CN (1) | CN211646413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030174A (en) * | 2022-06-16 | 2022-09-09 | 浙江国进建设有限公司 | Chemical plant foundation construction device and construction method |
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2020
- 2020-01-14 CN CN202020070638.3U patent/CN211646413U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030174A (en) * | 2022-06-16 | 2022-09-09 | 浙江国进建设有限公司 | Chemical plant foundation construction device and construction method |
| CN115030174B (en) * | 2022-06-16 | 2024-02-27 | 浙江国进建设有限公司 | Construction device and construction method for foundation of chemical plant |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A combined lattice steel frame spray anchor support structure Effective date of registration: 20231023 Granted publication date: 20201009 Pledgee: Postal Savings Bank of China Limited Shanxian sub branch Pledgor: Shandong Shengtian Steel Structure Co.,Ltd. Registration number: Y2023980062194 |