CN218027860U - Underground engineering wall body connecting device by reverse operation method - Google Patents

Abstract

The utility model relates to a contrary operation method underground works wall body connects stubble device belongs to waterproof field, it includes a plurality of templates and a plurality of first pole setting, the top of template is provided with the backup pad, the top surface elevation of backup pad is higher than the bottom elevation of hanging the roof beam under the roof, leave the space between the roof beam under backup pad and the roof, connect through a plurality of first coupling assembling between a plurality of adjacent templates, connect through second coupling assembling between a plurality of adjacent backup pads, first pole setting is provided with the supporting component who is used for supporting the template, the template and the upturning Liang Jindi of basement bottom plate. This application has between the post-cast diaphragm wall that makes in the reverse construction method and the roof under the hanging beam closely connect the stubble, stops wall body and roof under the hanging beam and produces cavity or gap because of secondary concrete placement is not closely knit, and the construction quality at reinforcing secondary concreting wallboard and roof under the hanging beam position reduces the effect that water flows out between post-cast diaphragm wall and the roof under the hanging beam and leads to the wall body seepage.

Description

Underground engineering wall body connecting device by reverse operation method

Technical Field

The application relates to the technical field of water prevention, in particular to a reverse operation method underground engineering wall body connecting device.

Background

The principle of the reverse construction method of the underground building (structure) is as follows: the reverse construction of underground multi-layer building is one construction method combining main underground structure with foundation pit supporting structure in deep foundation pit construction. Namely, the permanent basement exterior wall is combined with the foundation pit support structure, the permanent structure vertical member is combined with the foundation pit support temporary upright post, and the permanent structure beam plate is combined with the foundation pit horizontal support. After the enclosing structure of the underground diaphragm wall or the cast-in-situ bored pile, the engineering pile and the reverse construction supporting column pile are completed, the basement structure is constructed from top to bottom, the supporting capability of the foundation pit is formed by utilizing the self capability of the completed enclosing structure and the floor structure, and the ground structure is constructed upwards after the +/-0.000 structure is completed.

In the construction of the underground engineering wall by the reverse operation method, the top plate and the beam of the basement are poured firstly, then the reinforcing steel bars are planted on the cast-in-situ bored piles, the reinforcing steel bars of the basement wall are bound on the implanted reinforcing steel bars, then the basement wall pouring template is installed, and then concrete is poured into the template to complete the construction of the basement wall.

Aiming at the related technology, the wall body constructed by the reverse construction method and the Liang Fei are poured at one time, so that the connection between the lower hanging part of the beam and the connecting part between the walls is often insufficient, and gaps are easy to appear, and water in soil is easy to seep out from the connecting part between the lower hanging part of the basement beam and the post-cast continuous wall after flowing through the gaps between the cast-in-situ bored piles and the wall body.

SUMMERY OF THE UTILITY MODEL

In order to fully combine the lower hanging part of the basement beam with the top of the post-cast continuous wall when the post-cast continuous wall is poured, and reduce the seepage of water from the connecting position of the post-cast continuous wall and the lower hanging part of the basement beam, the application provides the underground engineering wall connecting device adopting the reverse operation method.

The application provides a reverse operation method underground works wall body connects stubble device adopts following technical scheme:

contrary operation method underground works wall body connects stubble device, including a plurality of templates and a plurality of first pole setting, the top of template is provided with the backup pad, the top surface elevation of backup pad is higher than the bottom elevation of hanging the roof beam under the roof, hang under backup pad and the roof and leave the space between the roof beam, it is a plurality of adjacent connect through a plurality of first coupling assembling between the template, it is a plurality of adjacent connect through the second coupling assembling between the backup pad, first pole setting is provided with the supporting component who is used for supporting the template, the template and the last Liang Jindi that turn over of basement bottom plate.

By adopting the technical scheme, concrete is poured into a space defined by the lower hanging beam, the upturning beam, the supporting pile and the template from the space between the supporting plate and the lower hanging beam, and is poured to a position exceeding the elevation part of the bottom of the lower hanging beam, so that the pouring of the post-pouring continuous wall is completed, the template is detached after the initial setting time of the concrete is reached, and then the redundant concrete extending out of the lower hanging beam is chiseled. In the pouring process, the concrete exceeds the bottom of the lower hanging beam, so that the post-cast concrete is fully combined with the lower hanging beam, and the phenomenon of leakage caused by loose connection between the post-cast continuous wall and the bottom of the lower hanging beam is reduced.

Optionally, first connecting assembly includes pin and round pin piece, the both sides of template all are provided with a plurality of first connecting blocks, two of splicing each other adjacent first connecting block one-to-one in the template, the round pin piece passes from two corresponding first connecting blocks, the pin passes the round pin piece, and pin and round pin piece joint.

Through adopting above-mentioned technical scheme, pin chucking round pin piece makes two adjacent first connecting blocks tightly support each other to make tightly support each other between two adjacent templates, strengthened the connection between the template, reduce the in-process of pouring the post-cast continuous wall the appearance rise and touch and leak the condition of thick liquid.

Optionally, the second coupling assembling includes connecting screw, the both sides of backup pad all are provided with a plurality of second connecting blocks, adjacent two second connecting block one-to-one in the backup pad, connecting screw passes from two corresponding second connecting blocks, the equal threaded connection in both ends of connecting screw has fixation nut, fixation nut tightly supports with the second connecting block.

Through adopting above-mentioned technical scheme, the fixation nut at connecting screw rod both ends tightly supports two second connecting blocks respectively to make two connecting blocks support tightly each other, and then make tightly supporting each other between two backup pads, reduce the condition that leaks thick liquid appears pouring the in-process of follow-up continuous wall.

Optionally, the supporting component includes supporting seat and adjusting sleeve, first regulation hole has been seted up in the first pole setting, adjusting sleeve sets up in first pole setting, adjusting sleeve and first regulation hole intercommunication, wear to be equipped with first adjusting screw in the first regulation hole, first adjusting screw and adjusting sleeve threaded connection, supporting seat bolted connection is on the template, the supporting seat rotates with the one end that first adjusting screw stretches out from adjusting sleeve to be connected.

Through adopting above-mentioned technical scheme, twist and move first adjusting screw, first adjusting screw promotes the supporting seat and supports the template to realized supporting the template, reduced because the too big condition that leads to the template to collapse of the impact force of concrete in the concreting process.

Optionally, an inclined rod is arranged on the first vertical rod, and one end, far away from the first vertical rod, of the inclined rod is arranged on the basement bottom plate.

Through adopting above-mentioned technical scheme, the down tube provides the supporting role for first pole setting, reduces the condition that first pole setting appears collapsing when concreting, has improved the steadiness of first pole setting.

Optionally, be provided with the horizontal pole in the first pole setting, first hole has been seted up on the horizontal pole, the second hole has been seted up on the down tube, wear to be equipped with the second pole setting in the first hole, the second pole setting passes the second hole and fixes on the basement bottom plate, the second pole setting is close to the one end of basement roof and has been seted up the second regulation hole, second regulation hole threaded connection has second adjusting screw, the one end that second pole setting was kept away from to the second adjusting screw rotates and is connected with the butt piece, the butt piece is supported tight backup pad.

Through adopting above-mentioned technical scheme, twist and move regulation second adjusting screw, second adjusting screw drives the butt piece and supports the side of tight backup pad to for the side of backup pad provides the supporting role, the side that reduces the backup pad receives the pressure of concrete when concreting and leads to the cracked condition.

Optionally, bolted connection has first support in the template, it has the bracing sleeve to articulate on the first support, threaded connection has the bracing screw rod on the bracing sleeve, the bracing screw rod is kept away from that the telescopic one end of bracing articulates there is the second support, second support bolted connection is on basement bottom plate.

Through adopting above-mentioned technical scheme, fix the second support on basement bottom plate, then rotate the bracing sleeve, the bracing sleeve moves first support and is fixed to support on the template, then is fixed with first support and template to the support to the template has been strengthened.

Optionally, an adjusting groove is formed in one end, away from the bottom plate, of the first vertical rod, a supporting screw is in threaded connection with the adjusting groove, a supporting block is rotatably connected to one end, away from the first vertical rod, of the supporting screw, and the supporting block is abutted to the supporting plate.

Through adopting above-mentioned technical scheme, twist and move supporting screw, supporting screw drives supporting shoe butt backup pad bottom, reduces the concrete with backup pad and pressure deformation or the concrete with the template with being connected out the condition of fracturing of backup pad.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the supporting plate is arranged at the top of the template, so that in the process of pouring the post-cast continuous wall, the concrete which is positioned above the bottom of the lower hanging beam and is submerged at the bottom of the lower hanging beam is pressed down under the action of gravity, the bottom of the lower hanging beam is fully combined with the concrete, the stubble connecting gap between the post-cast continuous wall and the lower hanging beam is reduced, the condition that water leaks from the stubble connecting gap is reduced, and the waterproof effect of the post-cast continuous wall is improved;

2. make through pin and round pin piece and support tightly each other between the first connecting block to strengthened the connection between the template, connecting screw and fixation nut make and support tightly each other between the second connecting block, strengthened the connection between the backup pad, improved the holistic stability of template, reduce the in-process template of concreting and backup pad appear expanding and touch and leak the circumstances of thick liquid.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 1.

FIG. 4 is a schematic structural diagram of an embodiment of the present application for embodying an adjustment sleeve, a first bore, and a second bore

Description of reference numerals: 1. a template; 11. a support plate; 111. a second connecting block; 12. a first support; 13. a second support; 14. a sprag sleeve; 15. a diagonal bracing screw rod; 16. a first connection block; 17. an adjustment groove; 18. a support screw; 19. a support block; 2. a first upright rod; 21. a diagonal rod 211 and a second hole; 22. a first adjustment aperture; 23. a cross bar; 231. a first hole; 3. a support assembly; 31. a supporting seat; 32. a first adjusting screw; 33. adjusting the sleeve; 4. a first connection assembly; 41. a pin; 42. a pin piece; 5. a second connection assembly; 51. connecting a screw rod; 52. fixing a nut; 6. a second upright stanchion; 61. a second adjustment aperture; 62. a second adjusting screw; 63. a butting block; 7. hanging the beam down; 8. turning up the beam; 9. and (5) post-pouring the continuous wall.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a reverse operation method underground engineering wall body connecting device.

As shown in fig. 1, the underground engineering wall body stubble jointing device adopting the reverse operation method comprises a plurality of templates 1 and a plurality of first vertical rods 2, the first vertical rods 2 are connected to the basement bottom plate through bolts, supporting components 3 used for supporting the templates 1 are arranged on the first vertical rods 2, the first vertical rods 2 correspond to the templates 1 one to one, the templates 1 stand on the basement bottom plate, and one ends, close to the basement bottom plate, of the templates 1 are abutted to upturning beams 8 of the basement bottom plate. The top of template 1 is fixed with backup pad 11, backup pad 11 is leaks hopper-shaped, backup pad 11 comprises an swash plate and a riser, the swash plate top elevation of backup pad 11 is higher than the bottom surface elevation of hanging roof beam 7 down, leave the space of concreting and inserting the stick that shakes between the swash plate of backup pad 11 and hanging roof beam 7 down, leave the space of concreting and inserting the stick that shakes between the top of the riser of backup pad 11 and the basement roof. The adjacent formworks 1 are connected through a plurality of first connecting components 4, and the adjacent supporting plates 11 are connected through a plurality of second connecting components 5.

One side that first pole setting 2 deviates from template 1 is provided with down tube 21, and the one end bolted connection that first pole setting 2 was kept away from to down tube 21 is on the basement bottom plate. The bolt connection has second support 13 on the basement bottom plate, and it has bracing screw 15 to articulate on the second support 13, and the threaded connection of bracing screw 15 has bracing sleeve 14, and the one end that second support 13 was kept away from to bracing sleeve 14 articulates there is first support 12, and first support 12 bolted connection is on template 1.

When installing template 1, fix first pole setting 2 and down tube 21 on the basement bottom plate, then stand template 1 on the basement bottom plate and make template 1 and upturning roof beam 8 butt, connect between adjacent template 1 with a plurality of first connecting component 4 after that, later with the straightness that hangs down of template 1 with supporting component 3 butt and adjustment template 1, fix second support 13 on the basement bottom plate after that, then twist bracing sleeve 14, bracing sleeve 14 drives first support 12 butt template 1 and with first support 12 and template 1 bolted connection.

In the pouring process, concrete is poured into a space defined by the template 1 and the support piles from a space between the support plate 11 and a top plate of the basement, the concrete is enabled to submerge the bottom of the lower hanging beam 7, when the concrete is flush with the top surface of a vertical plate of the support plate 11, the concrete pouring is stopped, the concrete of the support plate 11 is downwards extruded under the action of self gravity, the concrete in the template 1 is enabled to be fully contacted with the bottom of the lower hanging beam 7, after the concrete reaches the initial setting time, the post-cast continuous wall 9 is molded, the template 1 is detached, then, redundant concrete blocks defined by the support plate 11 are chiseled, the construction of the post-cast continuous wall 9 is completed, the top of the post-cast continuous wall 9 is closely connected with the bottom of the lower hanging beam 7, and the situation that water flows out from a gap between the top of the post-cast continuous wall 9 and the bottom of the lower hanging beam 7 to cause leakage of the post-cast continuous wall 9 is reduced.

As shown in fig. 2, the first connecting assembly 4 includes a pin 41 and a pin 42, a plurality of first connecting blocks 16 are arranged on both sides of the formwork 1 at equal intervals along the height direction, two rows of first connecting blocks 16 adjacent to each other of the formwork 1 correspond to each other one by one, holes are formed in the first connecting blocks 16, the holes in the corresponding first connecting blocks 16 are communicated with each other, the pin 41 passes through two corresponding first connecting blocks 16 through the holes, a fixing hole is formed in the pin 41, the pin 42 passes through the fixing hole and is connected to the pin 41 in a clamping manner, and the two corresponding first connecting blocks 16 are mutually abutted.

In the use process, after the adjacent templates 1 are spliced, the pins 41 are used for connecting the corresponding first connecting blocks 16, and then the pins 41 are provided with the pin sheets 42, so that the templates 1 are tightly connected and abutted, and the slurry leakage of the splicing seams of the templates 1 is reduced.

If fig. 3, second coupling assembling 5 includes connecting screw 51, all be provided with a plurality of second connecting block 111 on the both sides of the swash plate of backup pad 11 and riser, second connecting block 111 is arranged along the length direction equidistance of the swash plate of backup pad 11, second connecting block 111 is arranged along the direction of height equidistance of the riser of backup pad 11, the one-to-one on the second connecting block 111 on the one side of the mutual concatenation of adjacent backup pad 11, the through-hole has been seted up on the second connecting block 111, the through-hole of corresponding second connecting block 111 communicates each other, connecting screw 51 passes two corresponding second connecting blocks 111 through the through-hole, the equal screw thread in both ends of connecting screw 51 has fixation nut 52, fixation nut 52 tightly supports with second connecting block 111.

In the use process, the fixing nut 52 is screwed, so that the corresponding second connecting blocks 111 are tightly abutted, and the supporting plates 11 are tightly abutted to each other to reduce the slurry leakage of the abutted seams of the supporting plates 11.

As shown in fig. 1 and 4, the supporting assembly 3 includes a supporting seat 31, a first adjusting screw 32 and an adjusting sleeve 33, a first adjusting hole 22 is formed in the first vertical rod 2, the adjusting sleeve 33 is fixed on the first vertical rod 2, the adjusting sleeve 33 is perpendicular to the first vertical rod 2, the adjusting sleeve 33 is communicated with the first adjusting hole 22, the first adjusting screw 32 passes through the first adjusting hole 22 and penetrates out of the adjusting sleeve 33, the first adjusting screw 32 is in threaded connection with the first adjusting sleeve 33, the first adjusting screw 32 is perpendicular to the formwork 1, one end of the first adjusting screw 32, which is far away from the first vertical rod 2, is rotatably connected with the supporting seat 31, and the supporting seat 31 is bolted to the formwork 1.

In the use, twist and move first adjusting screw 32, make first adjusting screw 32 drive supporting seat 31 and tightly support template 1, make things convenient for adjusting template 1's the straightness that hangs down simultaneously, hang down straightness when template 1 and adjust and accomplish and tightly support with supporting seat 31, with supporting seat 31 bolted connection on template 1 to accomplished the support to template 1, reduced the risk that the appearance explodes the mould or rises when pouring the concrete.

As shown in fig. 1 and 4, a cross rod 23 is fixed on one side of the first vertical rod 2 departing from the formwork 1, the cross rod 23 is perpendicular to the first vertical rod 2, the cross rod 23 and the diagonal rod 21 are located on the same plane, a first hole 231 is formed in the cross rod 23, a second hole 211 is formed in the diagonal rod 21, the first hole 231 corresponds to the second hole 211, a second vertical rod 6 is arranged in the first hole 231 in a penetrating manner, the second vertical rod 6 penetrates through the second hole 211 and is fixed on the bottom plate of the basement, the first vertical rod 2 is parallel to the second vertical rod 6, a second adjusting hole 61 is formed in the top of the second vertical rod 6, a second adjusting screw 62 is connected to the second adjusting hole 61 through a thread, the second adjusting screw 62 is perpendicular to the vertical plate of the supporting plate 11, a butting block 63 is rotatably connected to one end, close to the supporting plate 11, and the butting block 63 is abutted to the vertical plate of the supporting plate 11.

The top of first pole setting 2 has seted up the adjustment tank 17, and adjustment tank 17 female connection has supporting screw 18, and supporting screw 18's top is rotated and is connected with supporting shoe 19, and the top surface of supporting shoe 19 is parallel with the swash plate of backup pad 11, and supporting shoe 19 is supported tightly with the swash plate of backup pad 11.

In the use, pass horizontal pole 23 and down tube 21 with second pole setting 6 and fix behind the basement bottom plate, adjust second adjusting screw 62, make second adjusting screw 62 drive the riser of butt joint piece 63 and backup pad 11 and tightly support, adjust supporting screw 18, make supporting screw 18 drive the swash plate that backup pad 11 was tightly supported to supporting shoe 19 to strengthened the support to backup pad 11, reduced when concreting, the pressure of concrete makes backup pad 11 take place the phenomenon of fracture, deformation.

The implementation principle of the embodiment of the application is as follows: firstly, paying off the basement bottom plate, determining the installation position of each template 1, then penetrating the second upright posts 6 through the cross rods 23 and the inclined rods 21, and fixing the first upright posts 2 and the second upright posts 6 on the basement bottom plate according to the paying-off positions. The formworks 1 are then assembled, and the adjacent formworks 1 are assembled and then connected by the pins 41 and the pins 42, and the adjacent support plates 11 are assembled and then connected by the connecting screws 51 and the fixing nuts 52. After the adjacent template 1 and the supporting plate 11 are connected and fixed, the first adjusting screw 32 is screwed, the first adjusting screw 32 drives the supporting seat 31 to abut against the template 1, the verticality of the template 1 is adjusted, and the supporting seat 31 is connected to the template 1 through bolts after the adjustment is completed. Then screwing the supporting screw 18 and the second adjusting screw 62, the supporting screw 18 drives the supporting block 19 to tightly abut against the inclined plate of the supporting plate 11, the second adjusting screw 62 drives the abutting block 63 to tightly abut against the vertical plate of the supporting plate 11, then the second support 13 is bolted on the basement bottom plate, then screwing the inclined strut sleeve 14, the inclined strut sleeve 14 drives the second support 13 to tightly abut against the bottom of the template 1, so that the bottom of the template 1 is tightly abutted against the upturned beam 8, and finally the second support 13 is bolted on the template 1.

After the template 1 is installed, performing concrete pouring on the post-cast continuous wall 9, enabling concrete to sink through the bottom of the lower hanging beam 7, enabling the concrete above the elevation of the bottom of the lower hanging beam 7 to press the concrete of the post-cast continuous wall 9, enabling the concrete at the top of the post-cast continuous wall 9 to be in full contact with the bottom surface of the lower hanging beam 7, after the concrete reaches the initial setting time, removing the template 1 to pick and chive the concrete at the part of the supporting plate 11, enabling the top of the post-cast continuous wall 9 to be in full connection with the bottom of the lower hanging beam 7 in a pouring mode, reducing the condition that water flows out from a connection gap to cause wall body leakage, and improving the waterproof effect of the post-cast continuous wall 9.

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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. A reverse operation method underground works wall body connects stubble device which characterized in that: including a plurality of templates (1) and a plurality of first pole setting (2), the top of template (1) is provided with backup pad (11), the top surface elevation of backup pad (11) is higher than the bottom elevation of hanging roof beam (7) under the roof, leave the space between hanging roof beam (7) under backup pad (11) and the roof, a plurality of adjacent connect through a plurality of first coupling assembling (4) between template (1), a plurality of adjacent connect through second coupling assembling (5) between backup pad (11), first pole setting (2) are provided with supporting component (3) that are used for supporting template (1), template (1) and the last roof beam (8) of turning over of basement bottom plate tightly support.

2. The wall body stubble collecting device for underground engineering by the reverse operation method as claimed in claim 1, wherein: first link assembly (4) are including pin (41) and round pin piece (42), the both sides of template (1) all are provided with a plurality of first connecting blocks (16), two of splicing each other adjacent first connecting block (16) one-to-one on template (1), round pin piece (42) are passed from two corresponding first connecting blocks (16), round pin piece (42) are passed in pin (41), and pin (41) and round pin piece (42) joint.

3. The reverse operation method underground engineering wall body stubble collecting device according to claim 1, characterized in that: second coupling assembling (5) are including connecting screw (51), the both sides of backup pad (11) all are provided with a plurality of second connecting block (111), adjacent two second connecting block (111) one-to-one in backup pad (11), connecting screw (51) pass from two corresponding second connecting block (111), the equal threaded connection in both ends of connecting screw (51) has fixation nut (52), fixation nut (52) tightly support with second connecting block (111).

4. The reverse operation method underground engineering wall body stubble collecting device according to claim 1, characterized in that: supporting component (3) include supporting seat (31) and adjusting sleeve (33), first regulation hole (22) have been seted up on first pole setting (2), adjusting sleeve (33) set up on first pole setting (2), adjusting sleeve (33) and first regulation hole (22) intercommunication, wear to be equipped with first adjusting screw (32) in first regulation hole (22), first adjusting screw (32) and adjusting sleeve (33) threaded connection, supporting seat (31) bolted connection is on template (1), supporting seat (31) and first adjusting screw (32) are connected from the one end rotation that adjusting sleeve (33) stretched out.

5. The reverse operation method underground engineering wall body stubble collecting device according to claim 1, characterized in that: be provided with down tube (21) on first pole setting (2), the one end setting that first pole setting (2) was kept away from in down tube (21) is on the basement bottom plate.

6. The wall body stubble collecting device for underground engineering by the reverse operation method as claimed in claim 5, wherein: be provided with horizontal pole (23) on first pole setting (2), first hole (231) have been seted up on horizontal pole (23), second hole (211) have been seted up on down tube (21), wear to be equipped with second pole setting (6) in first hole (231), second pole setting (6) are passed second hole (211) and are fixed on the basement bottom plate, second pole setting (6) are close to the one end of basement roof and have been seted up second regulation hole (61), second regulation hole (61) threaded connection has second adjusting screw (62), the one end that second pole setting (6) were kept away from in second adjusting screw (62) is rotated and is connected with butt block (63), butt block (63) support tight backup pad (11).

7. The reverse operation method underground engineering wall body stubble collecting device according to claim 1, characterized in that: there is first support (12) bolted connection on template (1), it has bracing sleeve (14) to articulate on first support (12), threaded connection has bracing screw rod (15) on bracing sleeve (14), the one end that bracing sleeve (14) were kept away from in bracing screw rod (15) articulates there is second support (13), second support (13) bolted connection is on the basement bottom plate.

8. The reverse operation method underground engineering wall body stubble collecting device according to claim 1, characterized in that: an adjusting groove (17) is formed in one end, far away from the bottom plate, of the first vertical rod (2), a supporting screw rod (18) is connected to the adjusting groove (17) in a threaded mode, one end, far away from the first vertical rod (2), of the supporting screw rod (18) is rotatably connected with a supporting block (19), and the supporting block (19) is abutted to the supporting plate (11).

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