CN212506285U - Foundation pit supporting structure - Google Patents
Foundation pit supporting structure Download PDFInfo
- Publication number
- CN212506285U CN212506285U CN202020402000.5U CN202020402000U CN212506285U CN 212506285 U CN212506285 U CN 212506285U CN 202020402000 U CN202020402000 U CN 202020402000U CN 212506285 U CN212506285 U CN 212506285U
- Authority
- CN
- China
- Prior art keywords
- supporting
- foundation pit
- plate
- rod
- bottom plate
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model relates to the technical field of building construction, in particular to a foundation pit supporting structure, which comprises supporting and protecting plates and a bottom plate, wherein the bottom plate is arranged at the bottom of a foundation pit, the supporting and protecting plates are arranged on the inner wall of the foundation pit and positioned at the top of the bottom plate, a plurality of supporting and protecting plates are arranged, a connecting block for connecting the adjacent supporting and protecting plates is arranged between the adjacent supporting and protecting plates, and the connecting block is provided with an anchoring component for anchoring the supporting and protecting plates and a soil body; the supporting plate is arranged on the side face, opposite to the bottom plate, of the supporting plate, a supporting rod capable of supporting the supporting plate tightly in the direction close to the inner wall of the foundation pit is arranged on the side face, opposite to the bottom plate, of the supporting plate, an adjusting rod is arranged on the supporting rod, and the adjusting rod is used for enabling the supporting rod to be fixed with the side wall of the foundation pit. The utility model discloses have and strengthen support intensity, prevent the effect that the supporting plate removed or unstable phenomenon takes place.
Description
Technical Field
The utility model belongs to the technical field of the construction technology and specifically relates to a supporting construction of foundation ditch is related to.
Background
The foundation pit is a space below the ground excavated for constructing a foundation and a basement of a building (including a structure). The foundation pit belongs to temporary engineering and has the function of providing a space so that the basic masonry operation can be carried out according to the position specified by design. The foundation pit inevitably causes deformation of surrounding soil bodies in the excavation process, influences underground pipelines of surrounding buildings, and seriously endangers the normal use and safety of the underground pipelines. In order to avoid this, a foundation pit supporting structure is provided in the design of the foundation pit and the excavation construction for stabilizing the safety of the foundation pit.
In the foundation pit supporting method, the supporting plate is attached to the pit wall most commonly, and then the supporting plate is pressed against the pit wall by using an oblique steel pipe support method, so that the side wall of the foundation pit is reinforced. Specifically, both ends of the inclined steel pipe are fixed with the supporting plate and the bottom plate respectively, so that only one supporting point is arranged between the inclined steel pipe and the supporting plate, the supporting point is too single, the supporting effect is poor, and when the area of the pit wall is large, the supporting plate can move along the pit wall, and the supporting is unstable.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a supporting construction for foundation ditch, it has the enhancement and supports intensity, prevents that the supporting plate from removing or the advantage that unstable phenomenon takes place.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a foundation pit supporting structure comprises supporting and protecting plates and a bottom plate, wherein the bottom plate is arranged at the bottom of a foundation pit, the supporting and protecting plates are arranged on the inner wall of the foundation pit and positioned at the top of the bottom plate, a plurality of supporting and protecting plates are arranged, connecting blocks for connecting the adjacent supporting and protecting plates are arranged between the adjacent supporting and protecting plates, and the connecting blocks are provided with anchoring components for anchoring the supporting and protecting plates and a soil body; the supporting plate is arranged on the side face, opposite to the bottom plate, of the supporting plate, a supporting rod capable of supporting the supporting plate tightly in the direction close to the inner wall of the foundation pit is arranged on the side face, opposite to the bottom plate, of the supporting plate, an adjusting rod is arranged on the supporting rod, and the adjusting rod is used for enabling the supporting rod to be fixed with the side wall of the foundation pit.
By adopting the technical scheme, the bottom plate and the supporting plates are matched to stabilize the soil body at the bottom and the side wall of the foundation pit, and the plurality of supporting plates are connected through the connecting piece, so that the supporting plates are convenient to disassemble and assemble; the supporting and protecting plate and the soil body on the side wall of the foundation pit are anchored by arranging the anchoring pull rod on the connecting block; the supporting rod tightly supports the supporting and protecting plate towards the direction close to the inner wall of the foundation pit, so that the supporting strength of the supporting and protecting plate on the side wall of the foundation pit can be enhanced; the supporting rod is provided with an adjusting rod used for enabling the supporting rod and the side wall of the foundation pit to be relatively fixed, the supporting strength of the supporting rod to the supporting plate is further enhanced, and the supporting plate can be prevented from moving.
Preferably, the both sides of connecting block all are moulded and are had T type groove, T type groove sets up along the length direction of connecting block, the both sides of propping up the backplate all have with the T type piece of T type groove shape looks adaptation, adjacent the T type piece of propping up the backplate respectively with the T type groove joint of connecting block both sides.
Through adopting above-mentioned technical scheme, the T type groove of connecting block both sides and the T type piece cooperation of supporting plate connect into a whole with a plurality of supporting plates, compare the tradition and pass through the mode of screw connection, the dismouting of a backplate is conveniently propped up to the mode of this kind of joint, and can not destroy a backplate.
Preferably, the anchoring assembly comprises a pair of anchoring pull rods, and the anchoring pull rods horizontally penetrate through the connecting blocks from the side faces, away from the side wall of the foundation pit, of the connecting blocks and are inserted into the soil body of the side wall of the foundation pit.
Through adopting above-mentioned technical scheme, set up the anchor pull rod on the connecting block to can be in the same place the soil body anchor of backplate and foundation ditch lateral wall, reinforcing backplate is to the support intensity of foundation ditch lateral wall.
Preferably, the one end and the supporting plate fixed connection of bracing piece, the other end fixedly connected with slider of bracing piece, the top of bottom plate is fixed with two baffles, two the parallel interval in direction of baffle perpendicular to supporting plate sets up, thereby two be formed with the slide between the baffle, slider and slide sliding connection, be provided with the setting element that is used for relative position between fixed slider and the slide on the baffle.
By adopting the technical scheme, the sliding block can adjust the abutting degree of the supporting rod to the supporting guard plate; the sliding block slides towards one side close to the supporting and protecting plate, so that the supporting degree of the supporting and protecting plate by the supporting rod can be enhanced, and the supporting strength of the supporting and protecting plate on the side wall of the foundation pit can be enhanced; and then the sliding block and the baffle are fixed by the positioning piece, so that the supporting degree of the supporting rod to the supporting guard plate is kept.
Preferably, the locating part is a locating pin, two a plurality of locating holes have been seted up on the side of baffle, a plurality of the locating hole is arranged and is distributed on two baffles correspondingly, the locating pin runs through the slider and a pair of locating hole that corresponds with the slider, realizes the relatively fixed of slider and baffle.
Through adopting above-mentioned technical scheme, set up a plurality of locating hole, the slider can slide according to the distance of locating hole and adjust to realize that the bracing piece supports tight degree to the hierarchical regulation of a backplate, cooperation locating pin runs through locating hole and slider, can realize fixing the position of slider.
Preferably, one end of the adjusting rod is hinged to the supporting rod, and the other end of the adjusting rod penetrates through the supporting plate and is inserted into the soil body on the side wall of the foundation pit.
By adopting the technical scheme, one end of the adjusting rod is hinged with the supporting rod, and when the supporting rod moves and is adjusted along with the sliding block, the adjusting rod can adjust the inclination angle of the adjusting rod along with the change of the inclination angle of the supporting rod; the other end of the adjusting rod penetrates through the supporting plate and is inserted into the soil body of the side wall of the foundation pit, the supporting degree of the supporting rod to the supporting plate is enhanced, the anchoring strength of the supporting structure of the foundation pit and the side wall of the foundation pit can be further enhanced, and the supporting plate is prevented from moving.
Preferably, the adjusting rod comprises a fixed section and a movable section, one end of the fixed section is hinged to the middle of the supporting rod, a thread groove is formed in the other end of the fixed section, the thread groove extends along the length direction of the fixed section, a thread area is formed in the surface of one end of the movable section, the other end of the movable section penetrates through the supporting plate and is inserted into a soil body of the side wall of the foundation pit, and the thread area of the movable section is in threaded connection with the thread groove.
Through adopting above-mentioned technical scheme, threaded connection between the canned paragraph of regulation pole and the movable segment, through twisting the movable segment, the length that adjustable movable segment stretched into in the canned paragraph, and then can adjust the length of whole regulating lever for during the regulation pole can go deep into the soil body of foundation ditch lateral wall, strengthen the anchor effect of foundation ditch supporting construction and soil body.
Preferably, the bottom of the supporting and protecting plate is provided with an inserting rod, the bottom plate is provided with an inserting hole, and the inserting rod of the supporting and protecting plate is clamped with the inserting hole of the bottom plate.
Through adopting above-mentioned technical scheme, realize the joint through the cooperation of spliced pole and spliced eye between supporting plate and the bottom plate, can make supporting plate and bottom plate link together.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the spliced supporting plates are arranged, so that the assembly and disassembly are convenient; the adjacent supporting plates are clamped through connecting blocks, and the supporting plates and the soil body on the side wall of the foundation pit are anchored together through anchoring pull rods on the connecting blocks, so that the supporting strength of the supporting plates to the side wall of the foundation pit is enhanced;
2. a supporting rod is arranged between the bottom plate and the supporting plate, and one end of the supporting rod can be adjusted on the bottom plate in a sliding manner, so that the tightness of the supporting rod on the supporting plate can be adjusted;
3. the tight effect of support of bracing piece to a backplate can be strengthened to the regulation pole, and it is fixed to the support of foundation ditch lateral wall to further strengthen a backplate, and adjusts the anchor effect that the pole can also strengthen supporting construction of foundation ditch and foundation ditch lateral wall, prevents effectively that the supporting plate from taking place the displacement.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the invention.
Reference numerals: 100. supporting the guard plate; 200. a base plate; 11. a plug rod; 12. a T-shaped block; 13. connecting blocks; 14. a T-shaped groove; 15. anchoring a pull rod; 21. inserting holes; 31. a support bar; 32. a fixed block; 33. a slider; 34. a baffle plate; 35. a slideway; 36. positioning holes; 37. positioning pins; 40. adjusting a rod; 41. a fixed section; 42. an active segment; 43. a thread groove; 44. a threaded region; 45. and (4) screws.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, for the utility model discloses a supporting structure of foundation pit, including a plurality of concatenation supporting plate 100 and bottom plate 200 together, bottom plate 200 sets up the bottom at the foundation pit, and a plurality of supporting plate 100 all laminates the inside wall at the foundation pit, and the bottom of supporting plate 100 has bayonet rod 11, and bayonet rod 11 arranges the setting along the base length direction of supporting plate 100, has seted up spliced eye 21 on the bottom plate 200, and spliced eye 21 corresponds the quantity of bayonet rod 11 and sets up, and bayonet rod 11 of supporting plate 100 and the spliced eye 21 one-to-one joint of bottom plate 200.
In this embodiment, as shown in fig. 1-2, two sides of each supporting plate 100 are provided with T-shaped blocks 12, the T-shaped blocks 12 are arranged along the length direction of the side edge of each supporting plate 100, a connecting block 13 is arranged between adjacent supporting plates 100, T-shaped grooves 14 are formed on two sides of each connecting block 13, the T-shaped grooves 14 are arranged along the length direction of the side edge of each connecting block 13, the T-shaped blocks 12 of adjacent supporting plates 100 are respectively clamped with the T-shaped grooves 14 on two sides of each connecting block 13, and thus the adjacent supporting plates 100 are connected through the connecting blocks 13. The connecting block 13 is provided with an anchoring assembly in a penetrating manner, specifically, the anchoring assembly comprises a pair of anchoring pull rods 15, the pair of anchoring pull rods 15 are respectively located at two ends of the same side of the connecting block 13, and the anchoring pull rods 15 horizontally penetrate through the connecting block 13 from the side surface of the connecting block 13 deviating from the side wall of the foundation pit and are inserted into the soil body of the side wall of the foundation pit to anchor the supporting plate 100 and the soil body of the side wall of the foundation pit.
As shown in fig. 1, further, a support rod 31 is disposed on a side of the support plate 100 departing from the side wall of the foundation pit, the support rod 31 is disposed in an inclined manner, a fixed block 32 is welded and fixed to one end of the support rod 31, a slider 33 is welded and fixed to the other end of the support rod 31, the fixed block 32 of the support rod 31 is fixedly connected to a side of the support plate 100 departing from the side wall of the foundation pit, and the slider 33 of the support rod 31 is movably connected to the bottom plate 200. The top of bottom plate 200 corresponds the position department welded fastening of bracing piece 31 has two baffles 34, and two baffles 34 are perpendicular to the parallel interval setting of direction of supporting plate 100 to be formed with slide 35 between two baffles 34, slider 33 and slide 35 sliding connection, through with slider 33 to the side of being close to supporting plate 100 slip, bracing piece 31 pushes up supporting plate 100 toward the direction that is close to the foundation ditch with the fixed one end of supporting plate 100, thereby can support supporting plate 100 and the lateral wall of foundation ditch tightly.
As shown in fig. 1, after the position of the sliding block 33 is adjusted, the relative position of the sliding block 33 needs to be fixed, specifically, positioning members are arranged on the baffles 34, in this embodiment, the positioning members are positioning pins 37, through holes (not shown in the figure) are formed in the sliding block 33, openings of the through holes are located on the side faces of the sliding block 33 opposite to the two baffles 34, a plurality of positioning holes 36 are formed in the side faces of the two baffles 34, the plurality of positioning holes 36 are evenly distributed on the two baffles 34, the positioning holes 36 on the two baffles 34 correspond to one another, the positioning pins 37 penetrate through the sliding block 33 and a pair of positioning holes 36 corresponding to the sliding block 33, and therefore the sliding block 33 and the baffles 34 are fixed relatively.
As shown in fig. 2, an adjusting rod 40 is hinged to the middle of the supporting rod 31, the adjusting rod 40 inclines downward toward the supporting plate 100 from the position close to the supporting rod 31, the adjusting rod 40 includes a fixed section 41 and a movable section 42, one end of the fixed section 41 is hinged to the middle of the supporting rod 31, a threaded groove 43 is formed at the other end of the fixed section 41, the threaded groove 43 extends along the length direction of the fixed section 41, a threaded area 44 is formed on one end surface of the movable section 42, the other end of the movable section 42 penetrates through the supporting plate 100, the threaded area 44 of the movable section 42 is in threaded connection with the threaded groove 43, the length of the adjusting rod 40 is adjusted by screwing the movable section 42 to adjust the length of the movable section 42 extending into the fixed section 41, so that the adjusting rod 40 is inserted into the soil mass on the sidewall of the foundation pit, a pair of screws 45 are in threaded connection with the fixed section 41, the fixed section 41 is fastened with the, the supporting strength of the supporting bar 31 to the supporting plate 100 is further enhanced.
The implementation principle of the embodiment is as follows: as shown in fig. 1, a base plate 200 is arranged at the bottom of a foundation pit, a plurality of supporting plates 100 are connected one by one through connecting blocks 13 to form a whole, the whole supporting plate 100 is inserted into the base plate 200, a pair of anchoring pull rods 15 are driven into the connecting blocks 13, and the supporting plate 100 and a soil body are anchored through the anchoring pull rods 15; the supporting rod 31 is arranged on two opposite side surfaces of the supporting plate 100 and the bottom plate 200, one end of the supporting rod 31 is fixedly connected with the supporting plate 100, the other end of the supporting rod 31 is fixedly connected with the sliding block 33, two baffle plates 34 are arranged at positions of the bottom plate 200 corresponding to the supporting rod 31, a sliding way 35 is formed between the two baffle plates 34, the sliding block 33 is movably connected in the sliding way 35, the supporting rod 31 is abutted against the supporting plate 100 towards the side wall of the foundation pit by moving the sliding block 33, and the baffle plates 34 and the sliding block 33 are fixed by the positioning pins 37, so that the supporting strength of the supporting plate 100 on the foundation pit can be enhanced; in addition, the adjusting rod 40 hinged with the supporting rod 31 penetrates through the supporting plate 100, the movable section 42 of the adjusting rod 40 is screwed, so that the length of the adjusting rod 40 is adjusted, the adjusting rod 40 is inserted into the soil body on the side wall of the foundation pit, and the movable section 42 and the fixed section 41 of the adjusting rod 40 are fastened through the screw 45, so that the supporting plate 100 is prevented from moving, and the supporting and fixing effects are further achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a foundation pit supporting construction, includes a backplate (100) and bottom plate (200), bottom plate (200) set up in the bottom of foundation ditch, backplate (100) set up in the foundation ditch lateral wall and are located the top of bottom plate (200), its characterized in that: the supporting and protecting plates (100) are provided with a plurality of supporting and protecting plates, connecting blocks (13) used for connecting the adjacent supporting and protecting plates (100) are arranged between the adjacent supporting and protecting plates (100), and anchoring assemblies used for anchoring the supporting and protecting plates (100) and soil bodies are arranged on the connecting blocks (13); the supporting plate is characterized in that a supporting rod (31) capable of tightly supporting the supporting plate (100) towards the direction close to the side wall of the foundation pit is arranged on the opposite side face of the supporting plate (100) and the bottom plate (200), an adjusting rod (40) is arranged on the supporting rod (31), and the adjusting rod (40) is used for enabling the supporting rod (31) and the side wall of the foundation pit to be relatively fixed.
2. A foundation pit supporting construction according to claim 1, wherein: the both sides of connecting block (13) all the shaping have T type groove (14), the length direction setting of connecting block (13) is followed in T type groove (14), the both sides of propping up backplate (100) all have with T type block (12) of T type groove (14) shape looks adaptation, adjacent T type block (12) of propping up backplate (100) respectively with T type groove (14) joint of connecting block (13) both sides.
3. A foundation pit supporting construction according to claim 1, wherein: the anchoring assembly comprises a pair of anchoring pull rods (15), and the anchoring pull rods (15) horizontally penetrate through the connecting blocks (13) from the side faces, deviating from the side walls of the foundation pit, of the connecting blocks (13) and are inserted into soil bodies of the side walls of the foundation pit.
4. A foundation pit supporting construction according to claim 1, wherein: the one end and the supporting plate (100) fixed connection of bracing piece (31), the other end fixedly connected with slider (33) of bracing piece (31), the top of bottom plate (200) is fixed with two baffles (34), two the parallel interval in direction of baffle (34) perpendicular to supporting plate (100) sets up, thereby two be formed with slide (35) between baffle (34), slider (33) and slide (35) sliding connection, be provided with the setting element that is used for relative position between fixed slider (33) and the baffle on baffle (34).
5. A foundation pit supporting construction according to claim 4, wherein: the setting element is locating pin (37), two a plurality of locating hole (36), a plurality of have been seted up on the side of baffle (34) locating hole (36) are arranged correspondingly and are distributed on two baffles (34), locating pin (37) run through slider (33) and a pair of locating hole (36) that correspond with slider (33), realize slider (33) and baffle (34) relatively fixed.
6. A foundation pit supporting construction according to claim 1, wherein: one end of the adjusting rod (40) is hinged with the supporting rod (31), and the other end of the adjusting rod (40) penetrates through the supporting and protecting plate (100) and is inserted into a soil body on the side wall of the foundation pit.
7. A foundation pit supporting construction according to claim 6, wherein: the adjusting rod (40) comprises a fixed section (41) and a movable section (42), one end of the fixed section (41) is hinged to the middle of the supporting rod (31), a thread groove (43) is formed in the other end of the fixed section (41), the thread groove (43) extends along the length direction of the fixed section (41), a thread area (44) is arranged on the surface of one end of the movable section (42), the other end of the movable section (42) penetrates through the supporting plate (100) to be inserted into a soil body of the side wall of the foundation pit, and the thread area (44) and the thread groove (43) of the movable section (42) are in threaded connection.
8. A foundation pit supporting construction according to claim 1, wherein: the bottom of the support guard plate (100) is provided with an inserting rod (11), the bottom plate (200) is provided with an inserting hole (21), and the inserting rod (11) of the support guard plate (100) is clamped with the inserting hole (21) of the bottom plate (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402000.5U CN212506285U (en) | 2020-03-25 | 2020-03-25 | Foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402000.5U CN212506285U (en) | 2020-03-25 | 2020-03-25 | Foundation pit supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212506285U true CN212506285U (en) | 2021-02-09 |
Family
ID=74441554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020402000.5U Expired - Fee Related CN212506285U (en) | 2020-03-25 | 2020-03-25 | Foundation pit supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212506285U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356226A (en) * | 2021-06-16 | 2021-09-07 | 大荣建设集团有限公司 | Foundation pit supporting structure for basement building and construction method thereof |
| CN113481873A (en) * | 2021-08-16 | 2021-10-08 | 中国十七冶集团有限公司 | Supporting device for building construction |
| CN113529747A (en) * | 2021-08-27 | 2021-10-22 | 中建八局第二建设有限公司 | Foundation ditch lateral wall is prevented collapsing and is used protective structure |
| CN113944171A (en) * | 2021-11-11 | 2022-01-18 | 西北建设有限公司 | Foundation pit construction supporting device is built in room |
| CN114775634A (en) * | 2022-04-18 | 2022-07-22 | 中交四公局第二工程有限公司 | Building construction deep basal pit struts uses supplementary construction equipment |
-
2020
- 2020-03-25 CN CN202020402000.5U patent/CN212506285U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356226A (en) * | 2021-06-16 | 2021-09-07 | 大荣建设集团有限公司 | Foundation pit supporting structure for basement building and construction method thereof |
| CN113481873A (en) * | 2021-08-16 | 2021-10-08 | 中国十七冶集团有限公司 | Supporting device for building construction |
| CN113529747A (en) * | 2021-08-27 | 2021-10-22 | 中建八局第二建设有限公司 | Foundation ditch lateral wall is prevented collapsing and is used protective structure |
| CN113944171A (en) * | 2021-11-11 | 2022-01-18 | 西北建设有限公司 | Foundation pit construction supporting device is built in room |
| CN114775634A (en) * | 2022-04-18 | 2022-07-22 | 中交四公局第二工程有限公司 | Building construction deep basal pit struts uses supplementary construction equipment |
| CN114775634B (en) * | 2022-04-18 | 2024-05-28 | 中交四公局第二工程有限公司 | Auxiliary construction equipment for deep foundation pit support of building construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212506285U (en) | Foundation pit supporting structure | |
| CN210459228U (en) | Building foundation pit supporting device | |
| CN112412503B (en) | Colliery safety support device | |
| CN111577320B (en) | High security civil engineering tunnel support | |
| CN210684727U (en) | Construction safety supporting construction | |
| CN210797577U (en) | Deep foundation pit supporting structure | |
| CN209837036U (en) | Steel construction assembled supporting construction | |
| CN113279393B (en) | Prestressed profile steel support pile and installation method | |
| CN111576902A (en) | Device that non-excavation construction both ends work hole was strutted is exclusively used in | |
| CN214834724U (en) | Opposite pull rod reinforcing structure capable of being conveniently disassembled | |
| CN113944171B (en) | Building foundation pit construction supporting device | |
| KR20130038461A (en) | Variable supporting device for sheathing work pile | |
| KR102146577B1 (en) | Fixed structure of high strength support material with easy to install at the construction site and construction method thereof | |
| CN210152680U (en) | Prestressing force strutting arrangement who uses when tunnel connection passageway excavates | |
| CN210440048U (en) | Die carrier suitable for curved well wall construction of multiple arch tunnel is used | |
| CN113445512A (en) | Assembled adjustable supporting structure for foundation pit and debugging method | |
| CN220377249U (en) | Grouting steel sheet pile convenient to disassemble and use | |
| CN112796505A (en) | Scaffold pre-buried sliding groove type wall connecting piece and construction method thereof | |
| CN216445974U (en) | Connecting structure of steel structure column and steel reinforcement cage | |
| CN220365007U (en) | Supporting construction is assembled to circular foundation ditch | |
| CN220013690U (en) | Multistage supporting mechanism for foundation pit slope | |
| CN216240682U (en) | Plug plate top bracing structure of tunnel secondary lining template | |
| CN219826849U (en) | Mine tunnel secondary lining pouring plug template | |
| CN218844314U (en) | Supporting structure for strongly weathered mudstone tunnel | |
| CN215289777U (en) | Mounting structure of civil air defense engineering concrete filling template |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210209 |