CN212835405U - Foundation pit excavation protective structure - Google Patents

Foundation pit excavation protective structure Download PDF

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Publication number
CN212835405U
CN212835405U CN202020843378.9U CN202020843378U CN212835405U CN 212835405 U CN212835405 U CN 212835405U CN 202020843378 U CN202020843378 U CN 202020843378U CN 212835405 U CN212835405 U CN 212835405U
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China
Prior art keywords
groove
protective
wall
protecting
stabilizing
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CN202020843378.9U
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Inventor
芦春岩
王峰
张澄
杜彦芳
张文
李宁
陈晓军
王征
孔超伟
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Zhangjiakou Architectural Design Institute Co ltd
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Zhangjiakou Architectural Design Institute Co ltd
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Abstract

The utility model belongs to the technical field of the technique of foundation engineering construction and specifically relates to a foundation ditch excavation protective structure is related to, it includes the protecting wall, the protecting wall is provided with a plurality of, a plurality of protecting wall ring pit sets up, every one side of foundation ditch all sets up the protecting wall, every protecting wall is prefabricated protecting wall, adjacent protecting wall junction is provided with the connection angle, be provided with coupling assembling between connection angle and the protecting wall, the subaerial protecting groove of having seted up, protecting groove ring foundation ditch setting, a plurality of protecting wall all sets up in the foundation ditch, be provided with stabilizing assembly between the diapire of protecting wall and protecting groove. The utility model discloses in strut the foundation ditch through setting up protective structure, strut with current campshed and compare, have the effect of the whole construction cycle's of shortening the foundation ditch purpose.

Description

Foundation pit excavation protective structure
Technical Field
The utility model belongs to the technical field of the technique of foundation engineering construction and specifically relates to a foundation ditch excavation protective structure is related to.
Background
At present, along with the rapid development of urbanization in China, the construction in the aspect of municipal administration is gradually improved, and when the municipal construction is carried out in cities, excavation of foundation pits is required firstly.
When the existing foundation pit is excavated, firstly, the construction of row pile support is carried out on the edge of the foundation pit, then, excavating machinery is utilized to excavate earthwork within the design range of the foundation pit, and after the excavation of the foundation pit is finished, then, the row pile is utilized to support the foundation pit, so that the collapse of the foundation pit is avoided.
The above prior art solutions have the following drawbacks: when excavation of a small foundation pit is performed in a building group, due to site limitation, construction is inconvenient when row pile supporting construction is performed, the row pile supporting construction period is long, and the whole construction period of the foundation pit is long.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a foundation ditch excavation protective structure reaches the whole construction cycle's that shortens the foundation ditch purpose.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a foundation ditch excavation protective structure, protective structure includes the protecting wall, and the protecting wall is provided with a plurality of, and a plurality of protecting wall ring pit sets up, and every one side of foundation ditch all sets up the protecting wall, and every protecting wall is prefabricated protecting wall, and adjacent protecting wall junction is provided with the angle of connection, is provided with coupling assembling between angle of connection and the protecting wall, has seted up the protecting bath on the ground, and protecting groove ring foundation ditch sets up, and a plurality of protecting wall all sets up in the foundation ditch, is provided with stabilizing assembly between the diapire of protecting wall and protecting bath.
Through adopting above-mentioned technical scheme, when using protective structure to excavate, before the excavation of foundation ditch, at first carry out the measurement at foundation ditch edge, then carry out the excavation of protecting groove according to the edge of foundation ditch, excavate the protecting groove to the degree of depth of foundation ditch diapire, then place the protecting wall in the protecting groove, place the connection angle between the adjacent protecting wall, it is fixed with protecting wall and connection angle connection to utilize coupling assembling, then it is fixed with the diapire of protecting wall and protecting groove to recycle stabilizing assembly, promote when carrying out the excavation of foundation ditch, the stability of protecting wall when carrying out excavation supporting of foundation ditch, protective structure is compared with current row's stake support, reach the purpose that shortens the whole construction cycle of foundation ditch.
The present invention may be further configured in a preferred embodiment as: coupling assembling includes spread groove and connecting block, and the lateral wall at the protecting wall is seted up to the spread groove, and the spread groove runs through the top of protecting wall, connecting block and corner fixed connection, connecting block and spread groove cooperation of pegging graft, connecting block and spread groove sliding connection.
Through adopting above-mentioned technical scheme, use coupling assembling, place the top at the protecting wall with the connection angle, make connecting block and spread groove align, then promote the connection angle, make the connection angle slide in the protecting groove, the connection angle drives the connecting block and pegs graft in the spread groove, the connecting block slides in the spread groove, utilize the spread groove to the limiting displacement of connecting block, it is fixed with the protecting wall to make the connection angle, promote the convenience when connecting the angle and being connected with the protecting wall.
The present invention may be further configured in a preferred embodiment as: the spread groove sets up to the spread groove of T type, and the connecting block sets up to the connecting block of T type, and the connecting block suits with the spread groove.
Through adopting above-mentioned technical scheme, utilize the limiting displacement of T type groove to T type piece, when making the connecting block slide in the spread groove, the connecting block is in the spread groove all the time, avoids the angle of connection to drive connecting block and spread groove separation in the slip in-process, promotes the convenience of connecting block when the spread groove slides.
The present invention may be further configured in a preferred embodiment as: the stabilizing assembly comprises a stabilizing hole and a stabilizing rod, the stabilizing hole is formed in the top end of the protective wall and penetrates through the protective wall, the stabilizing rod is in plug-in fit with the stabilizing hole, and one end of the stabilizing rod penetrates through the stabilizing hole and is inserted into the bottom wall of the protective groove.
Through adopting above-mentioned technical scheme, when fixed the diapire of protecting wall and protecting groove, at first insert the one end of stabilizer bar in the stabilizer bar, then promote the stabilizer bar and make the stabilizer bar slide in the stabilizer bar, because the stabilizer bar runs through the protecting wall, so the one end of stabilizer bar and the diapire butt of protecting groove, then the one end that the protecting groove diapire was kept away from to the hammering stabilizer bar, make the one end of stabilizer bar insert in the diapire of protecting groove, it is fixed with the diapire of protecting groove to make the stabilizer bar, utilize the limiting displacement of stabilizer bar to the stabilizer bar, it is fixed along with the stabilizer bar is connected with the diapire of protecting groove to make the protecting wall, promote the stability of protecting.
The present invention may be further configured in a preferred embodiment as: be provided with the reinforcement assembly between the lateral wall of protecting wall and protecting groove, the reinforcement assembly includes stiffener and connecting rod, and the stiffener is provided with a plurality of, and the one end of every stiffener all with connecting rod fixed connection, the other end all passes in the protecting wall inserts the lateral wall of protecting groove, the lateral wall butt of connecting rod and protecting wall.
Through adopting above-mentioned technical scheme, when the foundation ditch excavates to a certain extent, at first pass the protecting wall with the one end of a plurality of stiffener, then reuse connecting rod is connected a plurality of stiffener as an organic whole, because the stiffener inserts in the lateral wall of protecting groove, so the stiffener is fixed with the lateral wall of protecting groove, in addition because connecting rod and stiffener are fixed, and connecting rod and protecting wall butt, so the protecting wall passes through the stiffener and the connecting rod is fixed with the lateral wall of protecting groove, further promote the stability of protecting wall when strutting as the foundation ditch.
The present invention may be further configured in a preferred embodiment as: and a support rod is arranged between the adjacent connecting rods, and two ends of the support rod are fixedly connected with the two adjacent connecting rods respectively.
Through adopting above-mentioned technical scheme, through setting up the bracing piece between adjacent connecting rod to make the both ends of bracing piece fixed with two connecting rods respectively, promote the stability between the adjacent connecting rod, holistic stability when further promoting protective structure and using.
The present invention may be further configured in a preferred embodiment as: every the protective wall all includes a plurality of shields, and every shield all sets up stabilizing assembly with the diapire in protective tank, and every shield all sets up the reinforcement unit with the lateral wall in protective tank, is provided with the joint subassembly between the adjacent shield.
By adopting the technical scheme, the protective wall is arranged into the protective plates, and the protective plates are spliced into the protective wall in the protective groove, so that the convenience of hoisting the protective wall into the protective groove is improved; and utilize the joint subassembly to connect the guard plate that links to each other fixedly, promote the connectivity between a plurality of guard plate.
The present invention may be further configured in a preferred embodiment as: the joint subassembly includes joint piece and joint groove, and the joint groove is seted up in one side of guard plate, and one side fixed connection in joint groove is kept away from to joint piece and guard plate, and when adjacent guard plate is connected, the cooperation of pegging graft in joint piece and joint groove.
Through adopting above-mentioned technical scheme, when adjacent guard plate splices in the guard slot, at first place a guard plate in the guard slot, then with another piece guard plate handling to the top of guard plate again, the joint piece and the joint groove of the guard plate that make the handling align, then transfer the guard plate downwards, make the joint board peg graft at the joint inslot, utilize the limiting displacement of joint groove to the joint piece, make adjacent guard plate link together, promote the convenience when guard plate connects.
To sum up, the utility model discloses a following at least one useful technological effect:
1. by arranging the protective structure, firstly, supporting is carried out before excavation, the construction period of the supporting is shortened, and the purpose of shortening the whole construction period of the foundation pit is achieved;
2. by arranging the connecting angles and connecting the adjacent protective walls by using the connecting angles, the stability of the connection between the adjacent protective walls is improved;
3. through setting up stabilizing assembly, with the diapire fixed connection of protecting wall and protecting groove, then excavate on one side again, fix protecting wall and protecting groove's lateral wall with the reinforcement assembly on one side, promote the stability of protecting wall when as excavation supporting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view aimed at showing the splicing of guard plates;
FIG. 3 is a schematic diagram intended to show the structure of the post-installation stabilizing assembly after excavation of a portion;
fig. 4 is a schematic view for illustrating the excavation of the foundation pit.
In the figure, 1, a guard; 11. a protective wall; 111. a protection plate; 12. a protective bath; 13. a connecting angle; 2. a connecting assembly; 21. connecting grooves; 22. connecting blocks; 3. a stabilizing assembly; 31. a stabilization well; 32. a stabilizer bar; 4. a reinforcement assembly; 41. a reinforcing bar; 42. a connecting rod; 43. a support bar; 5. a clamping assembly; 51. a clamping groove; 52. a clamping block; 6. a foundation pit; 7. a fastener.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, in order to disclose the utility model discloses a foundation pit excavation protective structure, including protecting wall 11, protecting groove 12 and connecting angle 13, protecting groove 12 is vertically set up at the edge of foundation pit 6, protecting groove 12 encircles foundation pit 6 and is set up, protecting wall 11 and connecting angle 13 are prefabricated for reinforced concrete, protecting wall 11 is provided with a plurality of, each protecting wall 11 is all set up in protecting groove 12, each side of foundation pit 6 all sets up protecting wall 11, connecting angle 13 is set up between adjacent protecting wall 11, connecting assembly 2 is provided between connecting angle 13 and protecting wall 11; every protecting wall 11 all includes a plurality of protection plate 111, and every equal vertical setting of protection plate 111 is provided with joint subassembly 5 between the adjacent protection plate 111 in protecting groove 12, all is provided with stabilizing component 3 between the diapire of every protection plate 111 and protecting groove 12, all is provided with reinforcement assembly 4 between the lateral wall of every protection plate 111 and protecting groove 12, and reinforcement assembly 4 has set gradually the three-layer from the top to the bottom of protecting wall 11. When using protective structure, protective slot 12 is seted up at the edge of foundation ditch 6 to the head seat, then place a plurality of blocks of protection plate 111 in protective slot 12 again, connect through joint subassembly 5 between the continuous protection plate 111, then place connection angle 13 between two adjacent protective wall 11, utilize coupling assembling 2 to be connected connection angle 13 and protective wall 11, reuse stabilizing component 3 is connected fixed with protective wall 11 and protective slot 12's diapire, then begin to carry out excavation of foundation ditch 6, excavation is carried out on one side of foundation ditch 6, on one side be connected fixedly with the lateral wall of protective plate 111 and protective slot 12 with strengthening component 4, until finishing excavating foundation ditch 6, reach the purpose that shortens foundation ditch 6's whole construction cycle.
Referring to fig. 1 and 2, joint subassembly 5 includes joint piece 52 and joint groove 51, and joint groove 51 is seted up at the lateral wall that guard plate 111 is close to adjacent guard plate 111, and joint groove 51 runs through the top of guard plate 111, and joint piece 52 keeps away from the lateral wall fixed connection in joint groove 51 with guard plate 111, and joint piece 52 is pour with guard plate 111 an organic whole and is formed, and during the lateral wall butt of adjacent guard plate 111, joint piece 52 is located joint groove 51, and joint piece 52 is pegged graft with joint groove 51 and is cooperated. When adjacent protection plate 111 connects, at first with protection plate 111 handling to protection tank 12 in, then with adjacent protection plate 111 handling to protection plate 111's top again, make joint piece 52 align with joint groove 51, then descend adjacent protection plate 111 to protection tank 12 in, make protection plate 111 drive joint piece 52 and peg graft in joint groove 51, continue the downward slip protection plate 111, protection plate 111 drives joint piece 52 and slides in joint groove 51.
Referring to fig. 1 and 2, coupling assembling 2 includes the connecting groove 21 of T type and the connecting block 22 of T type, connecting groove 21 sets up at the lateral wall that protecting wall 11 is close to connecting angle 13, the vertical setting of connecting groove 21, connecting groove 21 runs through the top of protecting wall 11, connecting block 22 is close to the lateral wall fixed connection of protecting wall 11 with connecting angle 13, connecting block 22 and connecting angle 13 integrative pouring form, connecting block 22 suits with connecting groove 21, connecting block 22 pegs graft the cooperation with connecting groove 21, connecting block 22 and connecting groove 21 sliding connection. When being connected the splice angle 13 with protecting wall 11, utilize machinery with splice angle 13 handling to protecting wall 11 junction, make connecting block 22 align with spread groove 21, then promote splice angle 13 and drive connecting block 22 and peg graft in spread groove 21, promote splice angle 13 and make splice angle 13 drive connecting block 22 and slide in spread groove 21, when splice angle 13 is located protecting groove 12 completely, connecting block 22 slides in spread groove 21 completely.
Referring to fig. 2, the stabilizing assembly 3 includes a stabilizing hole 31 and a stabilizing rod 32, the stabilizing hole 31 is opened at the top end of each protection plate 111, the stabilizing hole 31 penetrates through the protection plate 111, the stabilizing rod 32 is in plugging fit with the stabilizing hole 31, the stabilizing rod 32 is vertically arranged, the bottom end of the stabilizing rod 32 is arranged to be pointed, and the bottom end of the stabilizing rod 32 penetrates through the stabilizing hole 31 and is inserted into the bottom wall of the protection groove 12. When the stabilizing assembly 3 is used, the tip of the stabilizing rod 32 is inserted into the stabilizing hole 31, the stabilizing rod 32 is pushed to slide in the stabilizing hole 31, the tip of the stabilizing rod 32 is abutted against the bottom wall of the protective groove 12, then the top end of the stabilizing rod 32 is hammered, and the tip of the stabilizing rod 32 is inserted into the bottom wall of the protective groove 12.
Referring to fig. 3 and 4, the reinforcing assembly 4 includes a reinforcing rod 41, a connecting rod 42 and a supporting rod 43, the reinforcing rod 41 is provided with a plurality of, each protection plate 111 all sets up the reinforcing rod 41, each reinforcing rod 41 all inclines to insert into the lateral wall of the protection trough 12, each layer of one side protection wall 11 all sets up a connecting rod 42, the one end of one layer of reinforcing rod 41 all with connecting rod 42 fixed connection on the protection wall 11, through fastener 7 with reinforcing rod 41 and connecting rod 42 fixed, the other end passes through protection wall 11 and inserts in the lateral wall of protection trough 12, connecting rod 42 and the lateral wall butt of protection wall 11, supporting rod 43 sets up the butt department at the adjacent connecting rod 42 on the same layer, the both ends of supporting rod 43 respectively with two adjacent connecting rods 42 fixed connection. When installing reinforcement assembly 4, at first dig foundation ditch 6 to certain degree of depth, then all peg graft a stiffener 41 on every guard plate 111, then remove connecting rod 42 to stiffener 41 department again, utilize fastener 7 to be connected connecting rod 42 and stiffener 41 fixed, remove bracing piece 43 to the junction of two connecting rods 42 again, utilize fastener 7 to fix the both ends of bracing piece 43 with two connecting rods 42 respectively, accomplish the enhancement to protective wall 11.
The implementation principle of the embodiment is as follows: when the protective structure is installed, firstly, the edge of the foundation pit 6 is measured on the ground, then the protective groove 12 is dug around the edge of the foundation pit 6, the bottom wall of the protective groove 12 is dug to be at the same height with the bottom wall of the foundation pit 6, then, the protection plates 111 are lifted into the protection groove 12 by a machine, when the adjacent protection plates 111 are spliced with each other, the protection plate 111 is lifted to be placed on the top end of the protection tank 12, the clamping blocks 52 of the lifted protection plate 111 are aligned with the clamping grooves 51 of the protection plate 111 placed in the protection tank 12, then the lifted protection plate 111 is lowered into the protection groove 12, the clamping block 52 is inserted into the clamping groove 51, the protection plate 111 drives the clamping block 52 to slide in the clamping groove 51 of the adjacent protection plate 111, when the protection plates 111 are completely positioned in the protection groove 12, the clamping blocks 52 are completely positioned in the clamping grooves 51, and a plurality of protection plates 111 are sequentially lifted into the protection groove 12 to form a protection wall 11; when the adjacent protection walls 11 are connected, the connecting angle 13 is lifted to the position between the adjacent protection walls 11, so that the connecting block 22 is aligned with the connecting groove 21, then the connecting angle 13 slides downwards into the protection groove 12, so that the connecting block 22 is inserted into the connecting groove 21, the connecting angle 13 continues to slide downwards, the connecting angle 13 drives the connecting block 22 to slide in the connecting groove 21, and when the connecting angle 13 is completely positioned in the protection groove 12, the connecting block 22 is completely positioned in the connecting groove 21; then, inserting the tip of the stabilizer bar 32 into the stabilizing hole 31 of the protection plate 111, pushing the stabilizer bar 32 while the stabilizer bar 32 slides in the stabilizing hole 31, hammering the stabilizer bar 32 to insert the tip of the stabilizer bar 32 into the bottom wall of the protection groove 12 when the tip of the stabilizer bar 32 abuts against the bottom wall of the protection groove 12, and sequentially inserting the stabilizer bar 32 into each stabilizing hole 31; then, excavating the foundation pit 6 to a certain degree, obliquely inserting a reinforcing rod 41 into each protection plate 111, inserting one end of each reinforcing rod 41 into the protection groove 12, moving the connecting rod 42 to the end, which is not inserted into the protection groove 12, of each reinforcing rod 41, and fixing the reinforcing rods 41 of the protection wall 11 on one side and the connecting rod 42 by using the fasteners 7; after the connecting rods 42 are fixed on each side of the protective wall 11, the supporting rods 43 are moved to the positions between the adjacent connecting rods 42, and the two ends of each supporting rod 43 are fixed with the two connected connecting rods 42 by the fasteners 7; and then excavating again, when excavating downwards to a certain depth, repeating the steps, arranging a layer of reinforcing components 4 between the protective wall 11 and the protective groove 12, and repeating the steps to arrange three layers of reinforcing components 4 till excavating to the bottom wall of the foundation pit 6.
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 (6)

1. The utility model provides a foundation ditch excavation protective structure which characterized in that: the protective structure comprises protective walls (11), a plurality of protective walls (11) are arranged around a foundation pit (6), each side of the foundation pit (6) is provided with a protective wall (11), each protective wall (11) is a prefabricated protective wall (11), a connecting angle (13) is arranged at the joint of the adjacent protective walls (11), a connecting component (2) is arranged between each connecting angle (13) and the corresponding protective wall (11), a protective groove (12) is arranged on the ground, each protective groove (12) is arranged around the corresponding foundation pit (6), a plurality of protective walls (11) are arranged in the corresponding foundation pit (6), a stabilizing component (3) is arranged between the bottom walls of the protective walls (11) and the corresponding protective groove (12), a reinforcing component (4) is arranged between each protective wall (11) and the corresponding side wall of the corresponding protective groove (12), each reinforcing component (4) comprises a reinforcing rod (41) and a connecting rod (42), the reinforcing rods (41) are provided with a plurality of reinforcing rods, one end of each reinforcing rod (41) is fixedly connected with the connecting rod (42), the other end of each reinforcing rod penetrates through the protective wall (11) to be inserted into the side wall of the protective groove (12), the connecting rods (42) are abutted against the side wall of the protective wall (11), the supporting rods (43) are arranged between the connecting rods (42), and the two ends of each supporting rod (43) are fixedly connected with the two adjacent connecting rods (42) respectively.
2. The excavation protection structure of claim 1, characterized in that: coupling assembling (2) are including spread groove (21) and connecting block (22), and the lateral wall in protecting wall (11) is seted up in spread groove (21), and spread groove (21) run through the top of protecting wall (11), connecting block (22) and connection angle (13) fixed connection, and connecting block (22) are pegged graft the cooperation with spread groove (21), connecting block (22) and spread groove (21) sliding connection.
3. The excavation protective structure of claim 2, characterized in that: the connecting groove (21) is arranged to be a T-shaped connecting groove (21), the connecting block (22) is arranged to be a T-shaped connecting block (22), and the connecting block (22) is adapted to the connecting groove (21).
4. The excavation protection structure of claim 1, characterized in that: the stabilizing assembly (3) comprises a stabilizing hole (31) and a stabilizing rod (32), the stabilizing hole (31) is arranged at the top end of the protective wall (11), the stabilizing hole (31) penetrates through the protective wall (11), the stabilizing rod (32) is in plug-in fit with the stabilizing hole (31), and one end of the stabilizing rod (32) penetrates through the stabilizing hole (31) and is inserted into the bottom wall of the protective groove (12).
5. The excavation protection structure of claim 1, characterized in that: every protective wall (11) all includes a plurality of blocks of protection plate (111), and every protection plate (111) all sets up stabilizing component (3) with the diapire of protective housing (12), and the lateral wall of every protection plate (111) and protective housing (12) all sets up reinforcement unit (4), is provided with joint subassembly (5) between adjacent protection plate (111).
6. The excavation protection structure of claim 5, wherein: joint subassembly (5) are including joint piece (52) and joint groove (51), and one side at protection plate (111) is seted up in joint groove (51), and one side fixed connection in joint groove (51) is kept away from with protection plate (111) in joint piece (52), and when adjacent protection plate (111) is connected, joint piece (52) and joint groove (51) cooperation of pegging graft.
CN202020843378.9U 2020-05-19 2020-05-19 Foundation pit excavation protective structure Active CN212835405U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020843378.9U CN212835405U (en) 2020-05-19 2020-05-19 Foundation pit excavation protective structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020843378.9U CN212835405U (en) 2020-05-19 2020-05-19 Foundation pit excavation protective structure

Publications (1)

Publication Number Publication Date
CN212835405U true CN212835405U (en) 2021-03-30

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ID=75160984

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Application Number Title Priority Date Filing Date
CN202020843378.9U Active CN212835405U (en) 2020-05-19 2020-05-19 Foundation pit excavation protective structure

Country Status (1)

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CN (1) CN212835405U (en)

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