CN212506312U - Geotechnical engineering underground structure - Google Patents
Geotechnical engineering underground structure Download PDFInfo
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- CN212506312U CN212506312U CN202021821257.0U CN202021821257U CN212506312U CN 212506312 U CN212506312 U CN 212506312U CN 202021821257 U CN202021821257 U CN 202021821257U CN 212506312 U CN212506312 U CN 212506312U
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- foundation pit
- geotechnical engineering
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Abstract
The utility model relates to a geotechnical engineering underground structure belongs to excavation supporting technical field. This geotechnical engineering underground structure includes backplate, backup pad and at least one reinforcement, and the backup pad sets up in one side of backplate, and the backup pad is provided with the joint groove, and the reinforcement includes gusset plate and telescopic joint spare, and joint spare detachable pegs graft in the joint inslot of one of them backup pad to make gusset plate and fixed just gusset plate and the backup pad butt of backup pad. The utility model provides a geotechnical engineering underground structure, supporting plate are used for strutting the foundation ditch body, and the backup pad is used for strengthening the intensity of a backplate, and at the supporting plate part that appears the soft foundation ditch body lateral wall correspondence, add the reinforcement, the joint spare joint of reinforcement is in the joint inslot, and the gusset plate can apply certain effort to the supporting plate for prop up the soft soil layer jack-up of backplate to foundation ditch body lateral wall and strut, and can increase the intensity of a backplate.
Description
Technical Field
The utility model belongs to the technical field of the excavation supporting, concretely relates to geotechnical engineering excavation supporting construction.
Background
In geotechnical engineering foundation pit construction, need carry out the supporting measure to the foundation ditch, this measure is in order to guarantee the safety of underground structure construction and foundation ditch all around environment, and the foundation ditch belongs to interim engineering, and the foundation ditch must arouses the deformation of the soil body around in the excavation process, can set up foundation ditch supporting construction in the excavation construction of foundation ditch, improves the security.
However, in the process of supporting the foundation pit, the side wall soil layer of the foundation pit may be soft, so that the foundation pit is unstable, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an aim at provides a geotechnical engineering underground structure, the supporting plate is used for strutting the foundation ditch body, the backup pad is used for strengthening the intensity of a backplate, the supporting plate part that the soft foundation ditch body lateral wall corresponds appears, add the reinforcement, the joint spare joint of reinforcement is in the joint inslot, the gusset plate closely compresses tightly the laminating with the supporting plate, the gusset plate can apply certain effort to the supporting plate, make a backplate prop up the soft soil layer jack-up of foundation ditch body lateral wall and strut, and can increase the intensity of a backplate.
The embodiment of the utility model is realized like this:
an embodiment of the utility model provides geotechnical engineering underground structure for strut the foundation ditch body, geotechnical engineering underground structure is including a backplate, backup pad and at least one reinforcement, the backup pad set up in one side of a backplate, the backup pad is provided with the joint groove, the reinforcement includes gusset plate and telescopic joint spare, joint spare detachable pegs graft in one of them the joint inslot of backup pad, so that the gusset plate with the backup pad is fixed just the gusset plate with the backup pad butt.
As the alternative of above-mentioned embodiment, every the reinforcement has two joint spare, two joint spare is located respectively the both sides of gusset plate, the quantity of backup pad is a plurality of and equidistant distribution, the both sides of backup pad are provided with respectively the joint groove, two joint spare of reinforcement match with adjacent two respectively the joint groove of backup pad.
As the alternative of above-mentioned embodiment, two the joint spare with the vertical axis of gusset plate is central bilateral symmetry, two the joint groove with the vertical axis of backup pad is central bilateral symmetry.
As the alternative of above-mentioned embodiment, joint spare includes sleeve, stopper, spring and joint piece, the sleeve with the gusset plate is fixed, stopper slidable set up in the sleeve, the spring is located in the sleeve, the both ends of spring respectively with the sleeve with the stopper butt, so that the stopper has the orientation and keeps away from the trend of the direction motion of gusset plate, the one end of joint piece with the stopper is fixed just the joint piece is followed stretch out in the sleeve, the selective joint of joint piece in one of them the joint inslot.
As an alternative of the above embodiment, the clamping block is provided with a shifting block for driving the clamping block to move, and the shifting block is located outside the sleeve.
As an alternative of the above embodiment, one end of the sleeve is provided with a square hole, the lateral section of the clamping block is a rectangle matched with the square hole, and the clamping block is slidably arranged in the square hole in a penetrating manner.
As an alternative to the above embodiment, the supporting plate has an L-shaped cross section, and the supporting plate is a triangular rib plate.
As an alternative of the above embodiment, the geotechnical engineering foundation pit supporting structure further comprises a retaining plate, wherein the retaining plate is obliquely arranged at the top of the supporting plate, and the retaining plate is gradually away from the side wall of the foundation pit body from bottom to top.
As an alternative of the above embodiment, the soil blocking plate includes a soil blocking layer and a shock absorption buffer layer, the shock absorption buffer layer is disposed on one side of the soil blocking layer, and the shock absorption buffer layer is closer to the foundation pit body than the soil blocking layer.
As an alternative to the above embodiment, the retaining plate further includes an abrasion and corrosion resistant layer disposed on one side of the shock absorbing and buffering layer, and the abrasion and corrosion resistant layer is closer to the foundation pit body than the shock absorbing and buffering layer.
The utility model has the advantages that:
the utility model provides a geotechnical engineering underground structure, the supporting plate is used for strutting the foundation ditch body, and the backup pad is used for strengthening the intensity of backplate, appearing the supporting plate part that soft foundation ditch body lateral wall corresponds, add the reinforcement, the joint spare joint of reinforcement is in the joint inslot, and the gusset plate closely compresses tightly the laminating with the supporting plate, and the gusset plate can apply certain effort to the supporting plate for prop up the soft soil layer jack-up of backplate to foundation ditch body lateral wall and strut, and can increase the intensity of backplate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 shows a schematic structural diagram of a geotechnical engineering foundation pit supporting structure provided by an embodiment of the present invention;
FIG. 2 is a schematic view showing the mating relationship of the reinforcement member and the support plate;
FIG. 3 shows a partial enlarged schematic view of FIG. 2;
fig. 4 shows a side view of fig. 1.
Icon:
10-a geotechnical engineering foundation pit supporting structure;
11-a supporting guard plate; 12-a support plate; 13-a reinforcement; 14-a soil guard plate; 15-foundation pit body;
120-a clamping groove; 130-a reinforcement plate; 131-a clip; 132-a sleeve; 133-a stop block; 134-a spring; 135-a clamping block; 136-a shifting block; 140-a soil retaining layer; 141-damping buffer layer; 142-wear and corrosion resistant layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Referring to fig. 1, an embodiment of the present invention provides a geotechnical engineering foundation pit supporting structure 10 for supporting a foundation pit body 15.
Wherein, geotechnical engineering excavation supporting construction 10 includes a backplate 11, backup pad 12 and reinforcement 13.
The supporting and protecting plate 11 can be made of Q235 steel plates, the cross section of the supporting and protecting plate is of an L-shaped structure, and the supporting and protecting plate is just attached to the bottom and the side wall of the foundation pit body 15. Of course, if the angle of the foundation pit body 15 changes, the cross-sectional structure of the retaining plate 11 may change accordingly.
Reinforcing steel bars are pre-embedded in the bottom and the side wall of the foundation pit body 15, and the supporting plate 11 and the pre-embedded reinforcing steel bars of the foundation pit body 15 are welded and fixed.
The supporting plate 12 is disposed on one side of the supporting plate 11, in this embodiment, the supporting plate 12 may be made of a 45 # steel plate, and the supporting plate 12 may have a triangular rib plate structure.
The quantity of backup pad 12 is a plurality of, and backup pad 12 welds in the L type corner position of a backup pad 11, and equidistant evenly distributed of a plurality of backup pads 12 realizes whole reinforcement and realizes strutting the foundation ditch body 15, improves the stability of strutting of a backup pad 11. Of course, the spacing between the two support plates 12 allows for some tolerance.
Referring to fig. 2 and 3, clamping grooves 120 are preset on two sides of each supporting plate 12 for temporarily installing and reinforcing the position of the soft soil layer on the side wall of the foundation pit body 15 in the later period, the two clamping grooves 120 are bilaterally symmetrical with the vertical central axis of the supporting plate 12 as the center, and the shapes of the clamping grooves 120 can be set as required.
The concrete structure of the reinforcing member 13 is: the reinforcement 13 includes a reinforcing plate 130 and a retractable snap-in member 131.
The reinforcing plate 130 is also made of a 45 # steel plate, so that the strength is high, the reinforcing plate is not easy to deform, and the net-shaped ribs are arranged on the surface of the reinforcing plate 130 facing the supporting plate 11, so that the strength of the reinforcing plate 130 is integrally improved.
The engaging member 131 is engaged with the engaging groove 120 of one of the support plates 12, so that the reinforcing plate 130 is fixed to the support plate 12 and the reinforcing plate 130 abuts against the support plate 11.
Each reinforcement member 13 has two snap-in members 131, and the two snap-in members 131 are respectively located on two sides of the reinforcement plate 130, where the two sides can refer to two ends of the reinforcement plate in the width direction (transverse direction).
The two clamping pieces 131 of the reinforcing piece 13 are respectively matched with the clamping grooves 120 of the two adjacent supporting plates 12.
The two clamping members 131 are symmetrical left and right by taking the vertical central axis of the reinforcing plate 130 as a center.
Of course, in other embodiments, it is also possible that the reinforcing member 13 only includes one clamping member 131, and it is preferable to ensure that the other end of the reinforcing member 13 is fixed at this time, for example, a stop block is provided on the supporting plate 11, a clamping groove is provided on the stop block, one end of the reinforcing plate 130 is embedded in the clamping groove, and the other end is matched with the clamping groove 120 through the clamping member 131.
Referring to fig. 3, the specific structure of the engaging member 131 can be selected from, but is not limited to, the following schemes, and the engaging member 131 includes a sleeve 132, a limiting block 133, a spring 134 and an engaging block 135.
The sleeve 132 is fixed to the reinforcing plate 130, and the fixing method may be welding.
The sleeve 132 is hollow to form a hollow chute, and a square hole is provided at the end of the sleeve 132.
The spring 134 is located in the sleeve 132, the spring 134 is made of tensile steel and has high elasticity, and two ends of the spring 134 are respectively abutted to the sleeve 132 and the limiting block 133, so that the limiting block 133 has a tendency to move in a direction away from the reinforcing plate 130.
The one end of joint piece 135 is fixed and joint piece 135 stretches out from the square hole of sleeve 132 with stopper 133, and the side direction cross-section of joint piece 135 is for the rectangle that matches with the square hole, and joint piece 135 slidable wears to locate the square hole, and the square hole slides with joint piece 135 and cup joints promptly. The square hole is matched with the clamping block 135, so that the situation that the clamping block 135 rotates around the colleagues sliding left and right can be avoided.
The connecting mode of the clamping block 135 and the limiting block 133 can adopt welding or integrated molding and the like, and the limiting block 133 can prevent the clamping block 135 from slipping from the sleeve 132.
In addition, the engaging block 135 is provided with a shifting block 136 for driving the engaging block 135 to move, and the shifting block 136 is located outside the sleeve 132. The shifting block 136 can be used by the worker to push or pull the clamping block 135.
In addition, the geotechnical engineering foundation pit supporting structure 10 further comprises a retaining plate 14, wherein the retaining plate 14 is obliquely arranged at the top of the supporting plate 11, and the retaining plate 14 is gradually far away from the side wall of the foundation pit body 15 in the direction from bottom to top.
As shown in fig. 4, the soil guard plate 14 includes a soil guard layer 140, a shock absorbing buffer layer 141, and a wear-resistant and corrosion-resistant layer 142.
The soil blocking layer 140 is welded to the top end of the supporting plate 11, and the soil blocking plate 14 may be made of a general steel plate.
The shock absorption buffer layer 141 is bonded to one side of the soil blocking layer 140 through a strong resin adhesive, and the shock absorption buffer layer 141 is closer to the foundation pit body 15 relative to the soil blocking layer 140.
Shock attenuation buffer layer 141 adopts foaming PU offset plate to make, can form a lot of gas pockets in its inside through the foaming process, when the grit landing on the foundation ditch lateral wall and down, can form the grit to fender native board 14 and strike, this impact force can transmit and cause shock attenuation buffer layer 141 pressurized, deformation takes place for a lot of gas pockets pressurized of its inside, gas pressurized in the gas pocket produces deformation resilience potential energy and buffers this impact force and offset, effectively improves the shock attenuation buffer performance who keeps off native board 14.
The wear-resistant and corrosion-resistant layer 142 is adhered to one side of the shock absorption buffer layer 141 through a strong resin adhesive, and the wear-resistant and corrosion-resistant layer 142 is closer to the foundation pit body 15 than the shock absorption buffer layer 141.
The wear-resistant and corrosion-resistant layer 142 is integrally made of a PTFE (polytetrafluoroethylene) plate, has good wear resistance and corrosion resistance, can reduce the impact friction of damp gravels falling off from the side wall of the foundation pit body 15 and the influence of the damp on the soil retaining plate 14, and improves the wear resistance and corrosion resistance of the soil retaining plate 14.
The use method of the geotechnical engineering foundation pit supporting structure 10 in the embodiment is as follows:
placing the supporting plate 11 fixed with the supporting plate 12 at a corresponding position of the foundation pit body 15, and attaching the supporting plate 11 to the foundation pit body 15;
if the soil layer on the side wall of the foundation pit body 15 between the two support plates 12 is soft, taking a reinforcing member 13;
the shifting blocks 136 of the two clamping pieces 131 are shifted inwards, so that the clamping blocks 135 and the limiting blocks 133 move towards the reinforcing plate 130 along the sleeve 132, the spring 134 is compressed, and the clamping pieces 131 shrink integrally;
keeping the state of the clamping piece 131 unchanged, moving the reinforcing plate 130 to a position between two corresponding supporting plates 12 of the soft soil layer, and tightly pressing and attaching the reinforcing plate 130 and the supporting plate 11;
the two clamping blocks 135 are aligned with the clamping grooves 120 in the two support plates 12, the shifting block 136 is loosened, the spring 134 rebounds and pushes the limiting block 133 and the clamping blocks 135 to move towards the direction far away from the reinforcing plate 130, and the clamping blocks 135 are clamped in the clamping grooves 120.
The gusset plate 130 is fixed under the effect of the clamping piece 131 and the clamping groove 120, one side of the gusset plate 130 is tightly pressed and attached to the supporting plate 11, the force of the tight pressing and attaching can be transmitted to the soft soil layer on the side wall of the foundation pit body 15 at the position, the effect of supporting the soft soil layer on the side wall of the foundation pit body 15 at the position is achieved, the flexibility of the gusset plate 130 is effectively improved, and the structural strength of the supporting plate 11 at the corresponding position can be enhanced by the gusset plate 130.
Through sleeve 132 slidingtype joint piece 135 structure, with gusset plate 130 install the back fast, at this moment, the netted rib structure of gusset plate 130 has closely laminated with the backup plate 11 surface, is equivalent to and goes to support the strength of soft soil layer to backup plate 11, has consolidated the bearing strength of one deck gusset plate 130 again in its inboard, can improve like this and carry out the jack-up to the soft soil layer of foundation ditch lateral wall and strut.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a geotechnical engineering underground structure for strut foundation ditch body (15), a serial communication port, geotechnical engineering underground structure (10) including a backplate (11), backup pad (12) and at least one reinforcement (13), backup pad (12) set up in one side of backplate (11), backup pad (12) are provided with joint groove (120), reinforcement (13) are including gusset plate (130) and telescopic joint spare (131), joint spare (131) detachable peg graft in one of them in joint groove (120) of backup pad (12), so that gusset plate (130) with backup pad (12) are fixed just gusset plate (130) with backplate (11) butt.
2. The geotechnical engineering foundation pit supporting structure according to claim 1, wherein each reinforcing member (13) is provided with two clamping pieces (131), the two clamping pieces (131) are respectively located on two sides of the reinforcing plate (130), the supporting plates (12) are distributed at equal intervals in a plurality number, the clamping grooves (120) are respectively formed in two sides of the supporting plates (12), and the two clamping pieces (131) of each reinforcing member (13) are respectively matched with the clamping grooves (120) of the two adjacent supporting plates (12).
3. The geotechnical engineering foundation pit supporting structure according to claim 2, wherein the two clamping pieces (131) are bilaterally symmetrical with respect to the vertical central axis of the reinforcing plate (130), and the two clamping grooves (120) are bilaterally symmetrical with respect to the vertical central axis of the supporting plate (12).
4. The geotechnical engineering foundation pit supporting structure according to claim 1, wherein the clamping piece (131) comprises a sleeve (132), a limiting block (133), a spring (134) and a clamping block (135), the sleeve (132) is fixed with the reinforcing plate (130), the limiting block (133) is arranged in the sleeve (132) in a sliding way, the spring (134) is positioned in the sleeve (132), two ends of the spring (134) are respectively abutted against the sleeve (132) and the limiting block (133), so that the stopper (133) has a tendency to move in a direction away from the reinforcing plate (130), one end of the clamping block (135) is fixed with the limiting block (133), the clamping block (135) extends out of the sleeve (132), the clamping block (135) is selectively clamped in one of the clamping grooves (120).
5. The geotechnical engineering foundation pit supporting structure according to claim 4, wherein a shifting block (136) used for driving the clamping block (135) to move is arranged on the clamping block (135), and the shifting block (136) is located outside the sleeve (132).
6. The geotechnical engineering foundation pit supporting structure according to claim 4, wherein one end of the sleeve (132) is provided with a square hole, the lateral section of the clamping block (135) is a rectangle matched with the square hole, and the clamping block (135) is slidably arranged in the square hole in a penetrating mode.
7. The geotechnical engineering foundation pit supporting structure according to claim 1, wherein the supporting plate (11) is L-shaped in cross section, and the supporting plate (12) is a triangular rib plate.
8. The geotechnical engineering foundation pit supporting structure according to claim 1, wherein the geotechnical engineering foundation pit supporting structure (10) further comprises a retaining plate (14), the retaining plate (14) is obliquely arranged at the top of the supporting plate (11), and the retaining plate (14) is gradually far away from the side wall of the foundation pit body (15) in the direction from bottom to top.
9. The geotechnical engineering foundation pit supporting structure according to claim 8, wherein the soil guard plate (14) includes a soil guard layer (140) and a shock-absorbing buffer layer (141), the shock-absorbing buffer layer (141) is provided at one side of the soil guard layer (140), and the shock-absorbing buffer layer (141) is closer to the foundation pit body (15) than the soil guard layer (140).
10. The geotechnical engineering foundation pit supporting structure according to claim 9, wherein the soil guard plate (14) further comprises an abrasion and corrosion resistant layer (142), the abrasion and corrosion resistant layer (142) is provided at one side of the shock-absorbing buffer layer (141), and the abrasion and corrosion resistant layer (142) is closer to the foundation pit body (15) than the shock-absorbing buffer layer (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821257.0U CN212506312U (en) | 2020-08-27 | 2020-08-27 | Geotechnical engineering underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021821257.0U CN212506312U (en) | 2020-08-27 | 2020-08-27 | Geotechnical engineering underground structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506312U true CN212506312U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021821257.0U Active CN212506312U (en) | 2020-08-27 | 2020-08-27 | Geotechnical engineering underground structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506312U (en) |
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2020
- 2020-08-27 CN CN202021821257.0U patent/CN212506312U/en active Active
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