CN214272164U - Anchor for pile foundation uplift test - Google Patents
Anchor for pile foundation uplift test Download PDFInfo
- Publication number
- CN214272164U CN214272164U CN202023350046.6U CN202023350046U CN214272164U CN 214272164 U CN214272164 U CN 214272164U CN 202023350046 U CN202023350046 U CN 202023350046U CN 214272164 U CN214272164 U CN 214272164U
- Authority
- CN
- China
- Prior art keywords
- muscle
- stopper
- main
- pile foundation
- main muscle
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 210000003205 muscle Anatomy 0.000 claims abstract description 132
- 238000005728 strengthening Methods 0.000 claims abstract description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 52
- 239000003351 stiffener Substances 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The application relates to the technical field of pile foundation uplift test equipment, in particular to an anchorage device for pile foundation uplift tests, which comprises a support frame and a main beam arranged on the support frame, be provided with the jack and connect the main muscle on the jack on the girder, vertical muscle has been pour in the pile foundation, be provided with the connecting piece between main muscle and the vertical muscle, set up the connecting hole that has the main muscle of connection and perpendicular muscle on the connecting piece, the mounting groove has been seted up in the connecting piece, mounting groove and connecting hole intercommunication, be provided with stop gear in the mounting groove, stop gear includes stopper and locating part, the stopper sets up at the mounting groove internal rotation, the stopper respectively with main muscle and vertical muscle butt, the locating part sets up the one side that deviates from main muscle at the stopper, the locating part deviates from the one end and the mounting groove inner wall butt of stopper, be provided with the enhancement mechanism that is used for strengthening between stopper and the main muscle and the vertical muscle. This application has the effect that promotes experimental measurement of efficiency.
Description
Technical Field
The application relates to the technical field of pile foundation resistance to plucking test equipment, in particular to an anchor device for pile foundation resistance to plucking tests.
Background
The impact is a force transmission component which transmits all or part of the load of the building to the foundation soil and has certain rigidity and bending resistance, and the force transmission component is a basic form widely applied to civil engineering, and the mass of a pile foundation directly determines the stability of the main body structure of the building. Consequently, detect the pile foundation also be essential important link in the pile foundation engineering, wherein the vertical resistance to plucking of pile foundation is experimental can effectually press from both sides the layering resistance to plucking of breaking out the stake, differentiates vertical resistance to plucking bearing capacity, whether satisfies the designing requirement.
Pile foundation resistance to plucking tries device including supporting stake and body frame among the correlation technique, supports the stake setting and supports the body frame at the both ends of body frame, is provided with the jack on the body frame, and what be connected with the jack has main muscle, and main muscle comprises a plurality of reinforcing bars, main muscle and the welded steel bar of pouring in the pile foundation fixed, and the jack is exerted the pulling force through main muscle to the reinforcing bar of pouring in the pile foundation, carries out resistance to plucking experiment.
Aiming at the related technologies, the inventor thinks that the main reinforcement and the steel bar poured in the pile foundation are fixedly connected by welding, and after the test is finished, the welded parts of the main reinforcement and the steel bar need to be cut off, so that the jack and the steel bar on the pile foundation are separated, the operation is troublesome, and the test measurement efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
In order to promote experimental measurement efficiency, this application provides a pile foundation is ground tackle for resistance to plucking test.
The application provides a pile foundation is ground tackle for resistance to plucking test adopts following technical scheme:
an anchorage device for pile foundation uplift test comprises a support frame and a main beam arranged on the support frame, wherein a jack and a main rib connected on the jack are arranged on the main beam, vertical ribs are poured in the pile foundation, connecting pieces are arranged between the main ribs and the vertical ribs, connecting holes for connecting the main ribs and the vertical ribs are formed in the connecting pieces, the connecting piece is internally provided with a mounting groove which is communicated with the connecting hole, a limiting mechanism is arranged in the mounting groove, the limiting mechanism comprises a limiting block and a limiting piece, the limiting block is rotationally arranged in the mounting groove, the limiting blocks are respectively abutted against the main ribs and the vertical ribs, the limiting parts are arranged on one sides of the limiting blocks, which are far away from the main ribs, the locating part deviates from the one end and the mounting groove inner wall butt of stopper, be provided with on the connecting piece and be used for strengthening stopper and main muscle and erect the strengthening mechanism of joint strength between the muscle.
Through adopting above-mentioned technical scheme, main muscle is connected through the connecting piece with erecting the muscle and inserting the connecting hole respectively in, with main muscle and erect the muscle and insert the connecting hole back, through the stopper respectively with main muscle with erect the muscle butt, will main muscle and erect the muscle and fix in the connecting piece, promote main muscle and erect the joint strength between muscle and the connecting piece through strengthening mechanism simultaneously to main muscle is connected with erecting the muscle, and then promotes measurement of efficiency.
Optionally, the reinforcing mechanism includes reinforcing disc and stiffener, reinforcing disc and connecting piece interval set up, the reinforcing disc is connected with main muscle and perpendicular muscle respectively, the through-hole has been seted up on the connecting piece, stiffener and reinforcing disc are articulated, the stiffener passes the through-hole and the stopper is articulated, the stiffener sets up between the axis of rotation of stopper and main muscle.
Through adopting above-mentioned technical scheme, the reinforcing disc is connected with main muscle, and when applying the pulling force to main muscle, main muscle takes place the skew to drive the stiffener and removes, and the stiffener drives the stopper and rotates towards main muscle, and then promotes the butt power between stopper and the main muscle, promotes the frictional force between stopper and the main muscle, promotes the stability of connecting between main muscle and the spacing.
Optionally, the reinforcing disc is of a hollow structure, the reinforcing disc is provided with an insertion hole, the main rib penetrates through the insertion hole and is connected with the connecting piece, and a clamping mechanism used for fixing the main rib and erecting the rib is arranged in the reinforcing disc.
Through adopting above-mentioned technical scheme, pass the reinforcing disc setting with main muscle through the jack, fix the reinforcing disc on main muscle through latch mechanism simultaneously.
Optionally, the clamping mechanism comprises a clamping plate and a fixing piece, the clamping plate is at least provided with one, the clamping plate is arranged in the reinforcing disc in a sliding mode, a clamping hole is formed in the clamping plate, the vertical rib and the main rib are arranged in the clamping hole, a fixing rod is arranged on the clamping plate, the fixing rod extends to the outside of the reinforcing disc, and the fixing piece is arranged on the fixing rod.
Through adopting above-mentioned technical scheme, the main muscle passes the card hole setting, inserts the card downthehole back with main muscle, and the position of adjusting the cardboard is card hole and jack dislocation, establishes the main muscle card between cardboard and reinforcing disc, then the bronze drum mounting is fixed the position of cardboard, connects reinforcing disc and main muscle.
Optionally, the limiting blocks are at least provided one, and the limiting blocks are arranged around the main rib at intervals.
Through adopting above-mentioned technical scheme, a plurality of stoppers and main muscle butt promote the joint strength between stopper and the main muscle.
Optionally, one side of the limiting block, which is close to the end face of the connecting piece, is inclined along the length direction of the connecting hole to form an inclined plane.
Through adopting above-mentioned technical scheme, set up the inclined plane on the stopper to insert the main muscle between the stopper through the inclined plane, promote assembly efficiency.
Optionally, one side that the stopper is close to perpendicular muscle is circular-arc, the circular arc inner wall and the main muscle side butt of stopper.
Through adopting above-mentioned technical scheme, the area of contact between stopper and the main muscle is promoted to ring inner wall and main muscle butt in the stopper, and then promotes stopper and main muscle and between the complex stability.
Optionally, a plurality of friction strips are arranged on the inner wall of the circular ring of the limiting block, and the friction strips are arranged on the inner wall of the circular arc of the limiting block at intervals along the length direction of the main rib.
Through adopting above-mentioned technical scheme, promote the frictional force between stopper and the main muscle through the friction strip, reduce the phenomenon that the main muscle squints in the stopper.
Drawings
Fig. 1 is a schematic structural view of an anchor for a pile foundation uplift test according to an embodiment of the application.
Fig. 2 is a partial view of the anchor for pile foundation uplift test according to the embodiment of the application.
Fig. 3 is a schematic structural view of a reinforcing mechanism in the anchor for the pile foundation uplift test according to the embodiment of the application.
Fig. 4 is a schematic structural diagram of a clamping mechanism in an anchor for a pile foundation uplift test according to an embodiment of the application.
Fig. 5 is a schematic structural diagram of a limiting mechanism in an anchor for a pile foundation uplift test according to an embodiment of the application.
Reference numerals: 1. a support frame; 11. a main beam; 12. a jack; 13. a connecting frame; 2. a main rib; 3. erecting ribs; 4. a connecting member; 41. connecting holes; 42. mounting grooves; 5. a limiting mechanism; 51. a limiting block; 511. rubbing the strips; 52. a limiting member; 6. a reinforcing mechanism; 61. a reinforcing disc; 611. a jack; 62. a reinforcing bar; 7. a clamping mechanism; 71. clamping a plate; 711. fixing the rod; 712. a clamping hole; 72. and a fixing member.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The application discloses an anchor for pile foundation resistance to plucking test. Referring to fig. 1, experimental ground tackle of using of pile foundation resistance to plucking includes support frame 1 and the girder 11 of setting on support frame 1, is provided with jack 12 on girder 11, is provided with carriage 13 on jack 12, is close to one side fixedly connected with owner muscle 2 on ground at carriage 13, and owner muscle 2 can set up to the reinforcing bar, has pour in the pile foundation and has erected muscle 3, and perpendicular muscle 3 is the reinforcing bar, and main muscle 2 corresponds the setting with erecting muscle 3. During the test, the main ribs 2 and the vertical ribs 3 are connected to perform the uplift test of the pile foundation.
Referring to fig. 2 and 3, for the convenience of connecting main muscle 2 and perpendicular muscle 3, be provided with connecting piece 4 between main muscle 2 and perpendicular muscle 3, connecting piece 4 is discoid, has evenly seted up connecting hole 41 on connecting piece 4, and connecting hole 41 corresponds the setting with main muscle 2 and perpendicular muscle 3 respectively, and main muscle 2 is inserted with perpendicular muscle 3 and is established in connecting hole 41 and is connected with connecting piece 4. In order to promote the connection stability between main muscle 2 and connecting piece 4, perpendicular muscle 3 and connecting piece 4, seted up mounting groove 42 in connecting piece 4, mounting groove 42 and connecting hole 41 intercommunication are provided with stop gear 5 in mounting groove 42, and stop gear 5 is used for promoting main muscle 2 and vertical and connecting piece 4 between be connected stability.
Referring to fig. 2 and fig. 3, stop gear 5 includes stopper 51 and locating part 52, stopper 51 is at the internal rotation setting of mounting groove 42, stopper 51's side and the 2 butts of main muscle, locating part 52 can set up to the spring, the one end and the 42 inner wall butt of mounting groove of spring, the other end and stopper 51 deviate from one side butt of main muscle 2, under the effect of spring, drive stopper 51 rotate to with 2 butts of main muscle, fix main muscle 2, when exerting pulling force to main muscle 2, main muscle 2 removes stopper 51 under the effect of frictional force has relative main muscle 2 pivoted revolving force, and then promote the frictional force between stopper 51 and the main muscle 2, promote the stability of complex between stopper 51 and the main muscle 2, stop gear 5 is the same to vertical muscle 3's fixed mode and main muscle 2.
Referring to fig. 3 and 5, the two limit blocks 51 are provided, and the two limit blocks 51 are arranged on the side surface of the main rib 2, and the two limit blocks 51 are simultaneously abutted to the main rib 2, so that the stability of the main rib 2 is further improved. In order to insert main muscle 2 between stopper 51 for the convenience, set up that one side that stopper 51 is close to 4 terminal surfaces of connecting piece is the inclined plane along the length direction slope of connecting hole 41, when inserting main muscle 2 in connecting hole 41, remove main muscle 2 and inclined plane butt, continue to remove main muscle 2, main muscle 2 promotes stopper 51 through the inclined plane and rotates until inserting main muscle 2 between stopper 51.
Referring to fig. 3 and 5, be circular-arc in one side that stopper 51 is close to perpendicular muscle 3, circular arc inner wall and 3 butts of perpendicular muscle, and then promote the area of contact between stopper 51 and the perpendicular muscle 3, be provided with a plurality of friction strips 511 on the circular arc inner wall, friction strip 511 sets up along 3 length direction intervals of perpendicular muscle on the circular arc inner wall, and then promotes the frictional force between stopper 51 and the perpendicular muscle 3, promotes the stability that both sides are connected.
Referring to fig. 3 and 4, in order to further promote the stability of cooperation between stopper 51 and the main muscle 2, be provided with stiffening mechanism 6 on connecting piece 4, stiffening mechanism 6 includes reinforcing disc 61 and stiffener 62, the terminal surface interval of reinforcing disc 61 and connecting piece 4 sets up, the through-hole has been seted up on connecting piece 4, through-hole and mounting groove 42 intercommunication, the one end and the reinforcing disc 61 of stiffener 62 are articulated, the other end passes the through-hole and the stopper 51 is articulated, stiffener 62 and through-hole inner wall interval set up, reinforcing disc 61 and main muscle 2 are connected, stiffener 62 sets up between stopper 51's axis of rotation and main muscle 2. Exerting pulling force to main muscle 2, when the too big emergence skew of 2 atress of main muscle, drive reinforcing disc 61 and remove, reinforcing disc 61 removes and drives stiffener 62 and remove, and the stiffener 62 exerts pulling force to stopper 51, further promotes stopper 51 to main muscle 2 to pressure, promotes frictional force between the two, consolidates main muscle 2, and the connection mode between 6 and the perpendicular muscle 3 of strengthening mechanism is the same.
Referring to fig. 3 and 4, in order to facilitate connection between the reinforcing disc 61 and the main rib 2, the reinforcing disc 61 is set to be a hollow structure, a jack 611 is formed in the reinforcing disc 61, the main rib 2 passes through the reinforcing disc 61 through the jack 611, a clamping mechanism 7 is arranged in the reinforcing disc 61, the clamping mechanism 7 comprises a clamping plate 71 and a fixing part 72, the clamping plate 71 is in a semicircular shape, two clamping plates 71 are arranged to slide in the reinforcing disc 61, an opening is formed in the side surface of the reinforcing disc 61, a fixing rod 711 is arranged on the clamping plate 71, the fixing rod 711 extends to the outside of the reinforcing disc 61 through the opening, the side surface of the clamping plate 71 and the inner wall of the reinforcing disc 61 are arranged at intervals, a clamping hole 712 is formed in the clamping plate 71, the main rib 2 passes through the clamping hole 712, the fixing part 72 can be a bolt nut, and the fixing part 72 is arranged on the fixing rod 711 of the two clamping plates 71. The main muscle 2 wears to establish in card hole 712, then adjusts the position of dead lever 711 through bolt and nut, adjusts the position of cardboard 71 in reinforcing disc 61 for card hole 712 and jack 611 dislocation, the inner wall of card hole 712 and the inner wall of jack 611 and the 2 side butts of main muscle are established the card of main muscle 2 in reinforcing disc 61, and then are connected reinforcing disc 61 and main muscle 2. The clamping combination price is the same as the connection mode of the vertical rib 3. When the main rib 2 needs to be taken out, the reinforcing disc 61 can be pressed, the limiting block 51 is pushed to rotate through the reinforcing rod 62, the limiting block 51 is separated from the main rib 2, and the main rib 2 is taken out.
The implementation principle of the application is as follows: insert main muscle 2 and perpendicular muscle 3 in connecting hole 41, stopper 51 under the effect of locating part 52 respectively with perpendicular muscle 3 and 2 butts of main muscle, and then fix the position of erecting muscle 3 and main muscle 2, stimulate main muscle 2 simultaneously, main muscle 2 drives reinforcing disc 61, reinforcing disc 61 drives stiffener 62 and removes, further promote the pressure that supports between stopper 51 and the main muscle 2, promote the stability of being connected between stopper 51 and main muscle 2 and the perpendicular muscle 3, be convenient for connecting piece 4 and perpendicular muscle 3 separation, promote measurement of efficiency.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides an anchorage device for pile foundation resistance to plucking test, includes support frame (1) and girder (11) of setting on support frame (1), is provided with jack (12) and main muscle (2) of connection on jack (12) on girder (11), has pour vertical muscle (3), its characterized in that in the pile foundation: be provided with connecting piece (4) between main muscle (2) and the perpendicular muscle (3), set up connecting hole (41) with main muscle of connection (2) and perpendicular muscle (3) on connecting piece (4), mounting groove (42) have been seted up in connecting piece (4), mounting groove (42) and connecting hole (41) intercommunication, be provided with stop gear (5) in mounting groove (42), stop gear (5) include stopper (51) and locating part (52), stopper (51) are at mounting groove (42) internal rotation setting, stopper (51) respectively with main muscle (2) and perpendicular muscle (3) butt, locating part (52) set up the one side that deviates from main muscle (2) in stopper (51), one end and mounting groove (42) inner wall butt that deviates from stopper (51) in locating part (52), be provided with on connecting piece (4) and be used for strengthening the enhancement of joint strength between stopper (51) and main muscle (2) and the perpendicular muscle (3) and stopper (51), locating part (52) inner wall butt A mechanism (6).
2. The anchor device for pile foundation uplift test according to claim 1, wherein: strengthening mechanism (6) are including reinforcing disc (61) and stiffener (62), reinforcing disc (61) and connecting piece (4) interval set up, reinforcing disc (61) are connected with main muscle (2) and perpendicular muscle (3) respectively, the through-hole has been seted up on connecting piece (4), stiffener (62) and reinforcing disc (61) are articulated, stiffener (62) pass through-hole and stopper (51) are articulated, stiffener (62) set up between the axis of rotation of stopper (51) and main muscle (2).
3. The anchor device for pile foundation uplift test according to claim 2, wherein: the reinforced disc (61) is of a hollow structure, the reinforcing disc (61) is provided with an insertion hole (611), the main rib (2) penetrates through the insertion hole (611) to be connected with the connecting piece (4), and the reinforced disc (61) is internally provided with a clamping mechanism (7) used for fixing the main rib (2) and the vertical rib (3).
4. An anchorage device for pile foundation uplift test according to claim 3, wherein: the clamping mechanism (7) comprises a clamping plate (71) and a fixing piece (72), at least one clamping plate (71) is arranged, the clamping plate (71) is arranged in the reinforcing disc (61) in a sliding mode, a clamping hole (712) is formed in the clamping plate (71), the vertical rib (3) and the main rib (2) are arranged in the clamping hole (712), a fixing rod (711) is arranged on the clamping plate (71), the fixing rod (711) extends to the outside of the reinforcing disc (61), and the fixing piece (72) is arranged on the fixing rod (711).
5. The anchor device for pile foundation uplift test according to claim 1, wherein: the limiting blocks (51) are at least provided with one, and the limiting blocks (51) are arranged around the main rib (2) at intervals.
6. An anchorage device for pile foundation uplift test according to claim 5, wherein: one side of the limiting block (51) close to the end face of the connecting piece (4) is inclined along the length direction of the connecting hole (41) to form an inclined plane.
7. An anchorage device for pile foundation uplift test according to claim 6, wherein: one side of the limiting block (51) close to the vertical rib (3) is arc-shaped, and the arc inner wall of the limiting block (51) is abutted against the side face of the main rib (2).
8. An anchorage device for pile foundation uplift test according to claim 7, wherein: the friction bars (511) are arranged on the arc inner wall of the limiting block (51), and the friction bars (511) are arranged on the arc inner wall of the limiting block (51) at intervals along the length direction of the main rib (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350046.6U CN214272164U (en) | 2020-12-31 | 2020-12-31 | Anchor for pile foundation uplift test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023350046.6U CN214272164U (en) | 2020-12-31 | 2020-12-31 | Anchor for pile foundation uplift test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214272164U true CN214272164U (en) | 2021-09-24 |
Family
ID=77787121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023350046.6U Expired - Fee Related CN214272164U (en) | 2020-12-31 | 2020-12-31 | Anchor for pile foundation uplift test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214272164U (en) |
-
2020
- 2020-12-31 CN CN202023350046.6U patent/CN214272164U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112554337B (en) | Self-reset type rigidity self-adaptive control assembly type beam-column node | |
| CN108643602B (en) | Outsourcing anchor steel reinforced structure suitable for concrete beam column node | |
| CN108342982B (en) | Self-anchoring structure at bearing cable beam end of cable crane of cable stayed bridge of mixed composite beam | |
| CN216304623U (en) | Hollow pile for civil construction | |
| CN214272164U (en) | Anchor for pile foundation uplift test | |
| CN106121055B (en) | A kind of steel box column and beams of concrete connecting node and its construction method | |
| EP0337475B1 (en) | Pile driving apparatus | |
| CN113685054B (en) | Floor slab crack structure and processing method thereof | |
| CN106801428B (en) | Reinforced tensile-shear PHC pipe pile foundation structure and construction method thereof | |
| CN215051738U (en) | Positioning connecting piece for precast concrete slab pavement | |
| CN110424579B (en) | Frame deformation mode resists assembled concrete shear force wall of macroseism | |
| CN209760465U (en) | Reinforced concrete beam longitudinal bar and profile steel column connecting structure | |
| CN212001082U (en) | Stress dispersion mound | |
| CN221073127U (en) | Fixing structure for inner wall and floor slab | |
| CN118187099B (en) | Steel-concrete combined inner supporting structure for foundation pit | |
| CN213709510U (en) | Locking type connecting device for prestressed precast concrete pile | |
| CN215977233U (en) | Reinforced flitch type connection prestressed concrete hollow square pile structure | |
| CN113073574A (en) | Guide beam mounting structure and method for steel box girder pushing construction | |
| CN115478650B (en) | Integral wood truss-UHPC sheet joint and construction method thereof | |
| CN217267508U (en) | Deep basal pit construction safety device | |
| CN215164796U (en) | A nose girder mounting structure for steel box girder top pushes away construction | |
| CN217679836U (en) | Bottom-reinforced high-strength concrete combined shear wall | |
| CN220080082U (en) | Assembled plate foundation | |
| CN216999699U (en) | Ground anchor dismounting device for power engineering | |
| CN217896507U (en) | Pile filling guide pipe capable of preventing pipe from being clamped |
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: 20210924 |