CN217204120U - Detachable supporting structure of subway half-cover excavation foundation pit - Google Patents

Detachable supporting structure of subway half-cover excavation foundation pit Download PDF

Info

Publication number
CN217204120U
CN217204120U CN202220459395.1U CN202220459395U CN217204120U CN 217204120 U CN217204120 U CN 217204120U CN 202220459395 U CN202220459395 U CN 202220459395U CN 217204120 U CN217204120 U CN 217204120U
Authority
CN
China
Prior art keywords
fixed
detachable
unit
pile
beam frame
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
Application number
CN202220459395.1U
Other languages
Chinese (zh)
Inventor
张昂昂
秦学波
陶雨扬
齐琳
李洋
郭薇
高金豪
卢海陆
胡彬
徐平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Metro Group Co ltd
Original Assignee
Zhengzhou Metro Group Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Metro Group Co ltd filed Critical Zhengzhou Metro Group Co ltd
Priority to CN202220459395.1U priority Critical patent/CN217204120U/en
Application granted granted Critical
Publication of CN217204120U publication Critical patent/CN217204120U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Foundations (AREA)

Abstract

The utility model discloses a half lid of subway digs detachable support structure of foundation ditch relates to underground structure technical field, include: a transverse beam rod is arranged in the middle of the inner side of the supporting beam frame; the detachable half cover unit is arranged at the top of the support beam frame; the detachable side pile unit comprises mounting sleeves, limiting blocks, profile steel piles and wedge-shaped heads, wherein the three mounting sleeves are fixed on the right side of the supporting beam frame at equal intervals, the profile steel piles are inserted into the mounting sleeves in a penetrating mode, the limiting blocks are fixed at the top ends of the profile steel piles, and the wedge-shaped heads are arranged at the bottom ends of the profile steel piles; the detachable internal pile unit comprises a fixed sleeve, a fixed bolt and a lattice pile, wherein the fixed sleeve is fixed at the front end and the rear end of the left side of the supporting beam frame respectively; can shelter from half with the top of foundation ditch, block the one side of falling soil easily, avoid soil to fall into the foundation ditch, can guarantee basic light inlet amount simultaneously, and whole can dismantle, conveniently demolish reuse after the use, can reuse, reduce use cost.

Description

Detachable supporting structure of subway half-cover excavation foundation pit
Technical Field
The utility model relates to a foundation ditch supporting construction technical field specifically is a half lid of subway digs detachable support structure of foundation ditch.
Background
At present, in the excavation process of subway foundation ditch, generally need strut the foundation ditch, current strut generally have the full open excavation foundation ditch and cover to dig the foundation ditch, and the full excavation foundation ditch is for excavating in the open, and the top of covering and digging the foundation ditch is equipped with the apron, and the apron generally can avoid upper portion to have soil to fall into the foundation ditch, but the foundation ditch is comparatively dark, conveniently excavates.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a half lid of subway and dig detachable support structure of foundation ditch, can shelter from the top of foundation ditch half, block one side of easy falling soil, avoid soil to fall into the foundation ditch, can guarantee basic light inlet amount simultaneously, and wholly can dismantle, conveniently demolish reuse after the use, can reuse, reduce use cost, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a half lid of subway digs detachable support structure of foundation ditch, includes:
a transverse beam rod is arranged in the middle of the inner side of the supporting beam frame;
the detachable half cover unit is arranged at the top of the support beam frame;
the detachable side pile unit comprises mounting sleeves, limiting blocks, profile steel piles and wedge-shaped heads, wherein the three mounting sleeves are fixed on the right side of the supporting beam frame at equal intervals, the profile steel piles are inserted into the mounting sleeves in a penetrating mode, the limiting blocks are fixed at the top ends of the profile steel piles, and the wedge-shaped heads are arranged at the bottom ends of the profile steel piles;
the detachable internal pile unit comprises a fixed sleeve, a fixed bolt and a lattice pile, wherein the fixed sleeve is fixed at the front end and the rear end of the left side of the supporting beam frame respectively, the bottom of the fixed sleeve is sleeved at the top end of the lattice pile, the fixed bolt is connected with a screw hole in the side surface of the fixed sleeve in a threaded manner, and the inner end of the fixed bolt abuts against the top end of the lattice pile;
strutting the reinforcement unit, be equipped with two, two right-hand members that strut the reinforcement unit connect the left side middle part of two lattice piles respectively, and two left ends that strut the reinforcement unit connect the right side front and back end of propping the unit in the foundation ditch respectively.
The utility model discloses a supporting beam frame and beam pole constitute the framework of the half lid unit of a support dismantlement formula, the half lid unit of dismantlement formula can conveniently be dismantled from the supporting beam frame, utilize used repeatedly, shaped steel pile can be sheathe in from the installation and take off, the wedge head of shaped steel pile bottom is conveniently torn into in the inboard bottom soil layer of foundation ditch, it is firm to make shaped steel pile position, the stopper is spacing to the top of shaped steel pile, keep being connected of shaped steel pile and installation cover, fixing bolt fixes the top of lattice pile on the fixed cover, it is also convenient to dismantle, the bottom sprag of lattice pile is in the inboard bottom of foundation ditch, the foundation ditch internal stay unit can keep off in the inside left side of foundation ditch, can strut the internal stay unit left side of foundation ditch through strutting the reinforcement unit, improve the internal stay unit and strut the left dynamics of foundation ditch.
Further, half lid unit of dismantlement formula includes half apron, mounting hole, erection column, nut, horizontal bar and indulges the stiffener, the bottom of half apron is equipped with two fore-and-aft stiffeners of indulging, the both ends of indulging the stiffener are connected with the horizontal bar respectively, the both ends bottom fixedly connected with erection column respectively of horizontal bar, the mounting hole has been seted up respectively in the four corners of bracing beam frame, the erection column is pegged graft with the mounting hole that the downside corresponds, and the bottom threaded connection of erection column has the nut.
Half apron is used for the lid to avoid soil to fall into the foundation ditch on the supporting beam frame, and the erection column can carry out the fixed of dismantlement formula with the mounting hole cooperation to half apron, can avoid the erection column to break away from with the mounting hole through the nut, and the horizontal bar can improve the intensity of half apron with indulging the stiffener.
Furthermore, the detachable half cover unit further comprises a U-shaped fence, and the upper side of the half cover plate is provided with the U-shaped fence with an opening facing right. The U-shaped fence can prevent excessive soil from being collected on the half cover plate and then enters the foundation pit from the left side of the half cover plate.
Further, dismantlement formula inner pile unit includes tray and stock, the bottom of lattice pile is connected with the tray, and the bottom annular array of tray is equipped with the stock. The tray carries out the bearing to lattice pile's bottom, and the stock inserts foundation ditch bottom soil layer, avoids the tray to shift, improves lattice pile's stability.
Further, the foundation ditch internal stay unit includes interior fagging, dismantlement soil blocking plate, fixed inserted bar and reinforcement longeron, the left side of bracing beam frame is equipped with interior fagging, the top joint of interior fagging has dismantlement soil blocking plate, the front and back end of interior fagging is fixed with fixed inserted bar respectively, interior fagging right side is equipped with two fore-and-aft reinforcement longerons. Interior backup pad is strutted the foundation ditch left side, dismantles and blocks the soil layer of native board to foundation ditch left side top and protect, and fixed inserted bar is fixed to the bottom of interior backup pad, consolidates the intensity of backup pad in the longeron enhancement.
Further, it includes joint rod, a pole section of thick bamboo, support column, joint piece, external screw thread, bearing and interior screw hole piece to strut the reinforcement unit, and the joint has the joint rod between the tip of two reinforcement stringers, the middle part fixed connection pole section of thick bamboos' of joint rod one end, the other end of a pole section of thick bamboos rotates through the bearing and is connected with interior screw hole piece, the middle part left side joint of lattice pile has the joint piece, the right-hand member of joint piece fixed connection support column, the left end outside of support column is equipped with the external screw thread, and the left end of support column passes through external screw thread and interior screw hole piece threaded connection. The relative position of the support column with the inner threaded hole block can be changed through the outer thread by rotating the inner threaded hole block, so that the left end of the support column stretches into or stretches out of the right end of the rod barrel, the whole length is changed, the strutting force of the inner supporting plate is changed, and the clamping rod and the clamping block can be conveniently disassembled.
Further, it still includes the dwang to strut the reinforcement unit, the side annular array of interior screw hole piece is equipped with and is no less than three dwang, uses the dwang can conveniently rotate hexagonal interior screw hole piece under the condition of not using tools.
Compared with the prior art, the beneficial effects of the utility model are that: this half lid of subway digs detachable support structure of foundation ditch has following benefit:
1. the utility model discloses a supporting beam frame and beam pole constitute the framework of the half lid unit of a support dismantlement formula, the half lid unit of dismantlement formula can conveniently be dismantled from the supporting beam frame, utilize used repeatedly, shaped steel pile can be sheathe in from the installation and take off, the wedge head of shaped steel pile bottom is conveniently torn into in the inboard bottom soil layer of foundation ditch, it is firm to make shaped steel pile position, the stopper is spacing to the top of shaped steel pile, keep being connected of shaped steel pile and installation cover, fixing bolt fixes the top of lattice pile on the fixed cover, it is also convenient to dismantle, the bottom sprag of lattice pile is in the inboard bottom of foundation ditch, the foundation ditch internal stay unit can keep off in the inside left side of foundation ditch, can strut the internal stay unit left side of foundation ditch through strutting the reinforcement unit, improve the internal stay unit and strut the left dynamics of foundation ditch.
2. The top of the foundation pit can be shielded by half, one side of the soil which easily falls is shielded, the soil is prevented from falling into the foundation pit, and meanwhile, the basic light inlet amount can be guaranteed.
3. The whole body can be disassembled, the disassembly is convenient after the use, the reuse is realized, the repeated use is realized, and the use cost is reduced
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of the bottom view structure of the present invention;
fig. 5 is a schematic view of the front view structure of the present invention in the foundation pit implementation.
In the figure: the structure comprises a supporting beam frame 1, a beam rod 2, a detachable half cover unit 3, a half cover plate 31, a mounting hole 32, a mounting column 33, a nut 34, a U-shaped fence 35, a cross bar 36, a longitudinal reinforcing rod 37, a detachable side pile unit 4, a mounting sleeve 41, a limiting block 42, a steel pile 43, a wedge-shaped head 44, a detachable internal pile unit 5, a fixing sleeve 51, a fixing bolt 52, a lattice pile 53, a tray 54, an anchor rod 55, a foundation pit internal supporting unit 6, an internal supporting plate 61, a detachable soil blocking plate 62, a fixing inserting rod 63, a reinforcing longitudinal beam 64, a spreading reinforcing unit 7, a clamping rod 71, a rod barrel 72, a supporting column 73, a clamping block 74, an external thread 75, a bearing 76, a screw hole block 77 and a rotating rod 78.
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. 1-5, the present invention provides a technical solution: the utility model provides a half lid of subway digs detachable support structure of foundation ditch, includes:
a transverse beam rod 2 is arranged in the middle of the inner side of the supporting beam frame 1;
the detachable half cover unit 3 is arranged at the top of the support beam frame 1;
half lid unit 3 of dismantlement formula includes half apron 31, mounting hole 32, erection column 33, nut 34, horizontal bar 36 and indulges stiffener 37, the bottom of half apron 31 is equipped with two fore-and-aft stiffeners 37 of indulging, the both ends of indulging stiffener 37 are connected with horizontal bar 36 respectively, fixedly connected with erection column 33 is distinguished to the both ends bottom of horizontal bar 36, mounting hole 32 has been seted up respectively in the four corners of bracing beam frame 1, erection column 33 is pegged graft with the mounting hole 32 that the downside corresponds, and the bottom threaded connection of erection column 33 has nut 34.
Half apron 31 is used for covering and avoids soil to fall into the foundation ditch on the supporting beam frame 1, and erection column 33 can carry out the fixed of dismantlement formula with the mounting hole 32 cooperation to half apron 31, can avoid erection column 33 and mounting hole 32 to break away from through nut 34, and horizontal bar 36 can improve half apron 31's intensity with indulging stiffener 37.
The detachable half cover unit 3 further comprises a U-shaped rail 35, and the upper side of the half cover plate 31 is provided with the U-shaped rail 35 with an opening facing right. The U-shaped rail 35 prevents excess soil from collecting on the half cover 31 and entering the pit from the left side of the half cover 31.
The detachable side pile unit 4 comprises mounting sleeves 41, limiting blocks 42, profile steel piles 43 and wedge-shaped heads 44, the three mounting sleeves 41 are fixed on the right side of the supporting beam frame 1 at equal intervals, the profile steel piles 43 penetrate through the mounting sleeves 41, the limiting blocks 42 are fixed at the top ends of the profile steel piles 43, and the wedge-shaped heads 44 are arranged at the bottom ends of the profile steel piles 43;
the detachable internal pile unit 5 comprises a fixed sleeve 51, a fixed bolt 52 and a lattice pile 53, wherein the fixed sleeve 51 is fixed at the front end and the rear end of the left side of the supporting beam frame 1 respectively, the bottom of the fixed sleeve 51 is sleeved at the top end of the lattice pile 53, the fixed bolt 52 is connected with a screw hole in the side surface of the fixed sleeve 51 in a threaded manner, and the inner end of the fixed bolt 52 abuts against the top end of the lattice pile 53;
the detachable internal pile unit 5 comprises a tray 54 and anchor rods 55, the tray 54 is connected to the bottom end of the lattice pile 53, and the anchor rods 55 are arranged at the bottom of the tray 54 in an annular array. Tray 54 bears the bottom of lattice pile 53, and stock 55 inserts foundation ditch bottom soil layer, avoids tray 54 to shift, improves lattice pile 53's stability.
Strutting the reinforcement unit 7, be equipped with two, two right-hand members that strut reinforcement unit 7 connect the left side middle part of two lattice piles 53 respectively, and two left ends that strut reinforcement unit 7 connect the right side front and back end of propping unit 6 in the foundation ditch respectively.
The foundation pit internal stay unit 6 comprises an internal stay plate 61, a detachable soil blocking plate 62, a fixed inserting rod 63 and a reinforcing longitudinal beam 64, the internal stay plate 61 is arranged on the left side of the support beam frame 1, the detachable soil blocking plate 62 is clamped at the top of the internal stay plate 61, the fixed inserting rod 63 is respectively fixed at the front end and the rear end of the internal stay plate 61, and the two longitudinal reinforcing longitudinal beams 64 are arranged on the right side of the internal stay plate 61. Interior fagging 61 is strutted the foundation ditch left side, dismantles and blocks soil layer that native board 62 protected foundation ditch left side top, and fixed inserted bar 63 is fixed to the bottom of interior fagging 61, consolidates the intensity of fagging 61 in longeron 64 strengthens.
The supporting beam frame 1 and the beam rod 2 form a framework for supporting the detachable half cover unit 3, the detachable half cover unit 3 can be conveniently detached from the supporting beam frame 1, the repeated use is utilized, the section steel pile 43 can be taken down from the installation sleeve 41, the wedge-shaped head 44 at the bottom of the section steel pile 43 is convenient to detach into the soil layer at the inner bottom of the foundation pit, the position of the section steel pile 43 is stable, the limiting block 42 is limited on the top of the section steel pile 43, the connection between the section steel pile 43 and the installation sleeve 41 is kept, the fixing bolt 52 fixes the top of the lattice pile 53 on the fixing sleeve 51, the detachment is also convenient, the bottom of the lattice pile 53 is supported at the inner bottom of the foundation pit, the foundation pit internal supporting unit 6 can be blocked at the inner left side of the foundation pit, the foundation pit internal supporting unit 6 can be propped open to the left side by the propping reinforcement unit 7, and the supporting force of the foundation pit internal supporting unit 6 on the left side of the foundation pit is improved.
Referring to fig. 1-5, the present invention provides a technical solution: a detachable supporting structure of a subway half-covered excavation foundation pit is further described in the first embodiment;
strut and reinforce unit 7 and include joint pole 71, a pole section of thick bamboo 72, support column 73, joint piece 74, external screw thread 75, bearing 76 and interior screw hole block 77, the joint has joint pole 71 between the tip of two reinforcing longerons 64, the one end of the middle part fixed connection pole section of thick bamboo 72 of joint pole 71, the other end of a pole section of thick bamboo 72 rotates through bearing 76 and is connected with interior screw hole block 77, the middle part left side joint of lattice pile 53 has joint piece 74, the right-hand member of joint piece 74 fixed connection support column 73, the left end outside of support column 73 is equipped with external screw thread 75, and the left end of support column 73 passes through external screw thread 75 and interior screw hole block 77 threaded connection. Rotating interior screw hole piece 77 can make support column 73 pass through external screw thread 75 and change the relative position with interior screw hole piece 77 to make the left end of support column 73 stretch into or stretch out from the rod section of thick bamboo 72 right-hand member, change whole length, thereby change the dynamics of strutting to fagging 61, joint pole 71 and joint piece 74 can conveniently be dismantled.
The strutting reinforcement unit 7 also comprises a rotating rod 78, the side surface annular array of the internal screw hole block 77 is provided with no less than three rotating rods 78, and the hexagonal internal screw hole block 77 can be conveniently rotated under the condition of no tool by using the rotating rods 78.
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 (7)

1. The utility model provides a half lid of subway digs detachable support structure of foundation ditch, a serial communication port, include:
the middle part of the inner side of the supporting beam frame (1) is provided with a transverse beam rod (2);
the detachable half cover unit (3) is arranged at the top of the support beam frame (1);
the detachable side pile unit (4) comprises mounting sleeves (41), limiting blocks (42), profile steel piles (43) and wedge-shaped heads (44), wherein the three mounting sleeves (41) are fixed on the right side of the supporting beam frame (1) at equal intervals, the profile steel piles (43) are inserted into the mounting sleeves (41), the limiting blocks (42) are fixed at the top ends of the profile steel piles (43), and the wedge-shaped heads (44) are arranged at the bottom ends of the profile steel piles (43);
the detachable internal pile unit (5) comprises a fixed sleeve (51), a fixed bolt (52) and a lattice pile (53), wherein the fixed sleeve (51) is fixed at the front end and the rear end of the left side of the supporting beam frame (1) respectively, the bottom of the fixed sleeve (51) is sleeved with the top end of the lattice pile (53), the fixed bolt (52) is connected with a side screw hole of the fixed sleeve (51) in a threaded manner, and the inner end of the fixed bolt (52) abuts against the top end of the lattice pile (53);
strutting reinforcement unit (7), be equipped with two, two right-hand members that strut reinforcement unit (7) are the left side middle part of two lattice piles (53) of joint respectively, and two left ends that strut reinforcement unit (7) are the right side front and back end of joint unit (6) in the foundation ditch respectively.
2. The detachable supporting structure of the subway half-covered excavation foundation pit as claimed in claim 1, wherein: half lid unit (3) of dismantlement formula include half apron (31), mounting hole (32), erection column (33), nut (34), horizontal bar (36) and indulge stiffener (37), the bottom of half apron (31) is equipped with two fore-and-aft stiffeners (37) of indulging, the both ends of indulging stiffener (37) are connected with horizontal bar (36) respectively, fixedly connected with erection column (33) are distinguished to the both ends bottom of horizontal bar (36), mounting hole (32) have been seted up respectively in the four corners of bracing beam frame (1), erection column (33) are pegged graft with mounting hole (32) that the downside corresponds, and the bottom threaded connection of erection column (33) has nut (34).
3. The detachable supporting structure of the subway half-covered excavation foundation pit as claimed in claim 2, wherein: the detachable half cover unit (3) further comprises a U-shaped fence (35), and the upper side of the half cover plate (31) is provided with the U-shaped fence (35) with an opening facing right.
4. The detachable supporting structure of the subway half-covered excavation foundation pit as claimed in claim 1, wherein: the detachable internal pile unit (5) comprises a tray (54) and anchor rods (55), the bottom end of the lattice pile (53) is connected with the tray (54), and the anchor rods (55) are arranged at the bottom of the tray (54) in an annular array mode.
5. The detachable supporting structure of the subway half-covered excavation foundation pit as claimed in claim 1, wherein: bracing unit (6) include interior fagging (61), dismantle and block native board (62), fixed inserted bar (63) and reinforcement longeron (64), the left side of bracing beam frame (1) is equipped with interior fagging (61), the top joint of interior fagging (61) has dismantlement and blocks native board (62), the front and back end of interior fagging (61) is fixed with fixed inserted bar (63) respectively, interior fagging (61) right side is equipped with two fore-and-aft reinforcement longerons (64).
6. The detachable supporting structure of the subway half-covered excavation foundation pit as claimed in claim 5, wherein: strut and consolidate unit (7) and include joint pole (71), a pole section of thick bamboo (72), support column (73), joint piece (74), external screw thread (75), bearing (76) and interior screw hole piece (77), the joint has joint pole (71) between the tip of two reinforcing longerons (64), the one end of the middle part fixed connection pole section of thick bamboos (72) of joint pole (71), the other end of a pole section of thick bamboo (72) is rotated through bearing (76) and is connected with interior screw hole piece (77), the middle part left side joint of lattice pile (53) has joint piece (74), the right-hand member of joint piece (74) fixed connection support column (73), the left end outside of support column (73) is equipped with external screw thread (75), and the left end of support column (73) passes through external screw thread (75) and interior screw hole piece (77) threaded connection.
7. The detachable supporting structure of the subway half-covered excavation foundation pit as claimed in claim 6, wherein: the strutting reinforcement unit (7) also comprises a rotating rod (78), and the side surface annular array of the inner threaded block (77) is provided with not less than three rotating rods (78).
CN202220459395.1U 2022-03-04 2022-03-04 Detachable supporting structure of subway half-cover excavation foundation pit Expired - Fee Related CN217204120U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220459395.1U CN217204120U (en) 2022-03-04 2022-03-04 Detachable supporting structure of subway half-cover excavation foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220459395.1U CN217204120U (en) 2022-03-04 2022-03-04 Detachable supporting structure of subway half-cover excavation foundation pit

Publications (1)

Publication Number Publication Date
CN217204120U true CN217204120U (en) 2022-08-16

Family

ID=82753707

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220459395.1U Expired - Fee Related CN217204120U (en) 2022-03-04 2022-03-04 Detachable supporting structure of subway half-cover excavation foundation pit

Country Status (1)

Country Link
CN (1) CN217204120U (en)

Similar Documents

Publication Publication Date Title
CN107605489B (en) Three line Large span tunnel inclined shafts are into positive cavity construction method
CN212388570U (en) Anchoring system for slope support
CN213741116U (en) Supporting structure
CN211446958U (en) Do benefit to underground structure of drainage
CN208309593U (en) A kind of steel pipe structure with oblique member
CN217204120U (en) Detachable supporting structure of subway half-cover excavation foundation pit
CN211113662U (en) Foundation pit supporting structure
CN205653801U (en) Prefabricated double row pile and stagnant water curtain integration underground structure
CN212001144U (en) Foundation pit engineering supporting device
CN209195451U (en) A kind of rock tunnel(ling) machine tunneling arc plate
CN112647513A (en) Foundation pit supporting structure and construction method
CN218027733U (en) Deep foundation pit supporting device in constructional engineering
CN218116481U (en) Supporting construction for building foundation engineering
CN213233482U (en) Deep foundation pit supporting structure with waterproof function
CN210827498U (en) Foundation ditch supporting construction for municipal administration hydraulic engineering
JP2964295B2 (en) Basement floor construction method
CN212026277U (en) Foundation pit supporting pile
CN211230507U (en) Ingate side wall supporting structure
CN210737567U (en) Slope support system
CN209083291U (en) A kind of suspension device for Used in Shallow Mining Tunnel with Large Span
CN217354368U (en) Shaft excavation combined type lining cutting supporting construction
CN219219013U (en) Steel platform for pile foundation concrete pouring
CN218027725U (en) Deep foundation pit supporting structure
CN208456633U (en) Tunnel arch wall preliminary bracing invades limit and changes arch construction gib system
CN221545632U (en) Double-layer inner-polishing inclined strut foundation pit supporting structure for soft soil foundation

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: 20220816