CN214328897U - Deep foundation pit supporting structure - Google Patents
Deep foundation pit supporting structure Download PDFInfo
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- CN214328897U CN214328897U CN202120273723.4U CN202120273723U CN214328897U CN 214328897 U CN214328897 U CN 214328897U CN 202120273723 U CN202120273723 U CN 202120273723U CN 214328897 U CN214328897 U CN 214328897U
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- bracing piece
- connecting rod
- foundation ditch
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Abstract
The utility model relates to a deep basal pit supporting structure, its including the backup pad that is fixed in the foundation ditch lateral wall, predetermine the bracing piece in the bottom plate and joint support board and the bottom plate at the bottom of the foundation ditch pit, one side that the backup pad deviates from the foundation ditch lateral wall is equipped with the supporting seat, the one end butt supporting seat of bracing piece, the bottom plate slides and is connected with the mount pad, the other end of bracing piece articulates in the mount pad, the bottom plate is fixed with the locking piece that prevents mount pad and bottom plate emergence relative movement. This application has the effect that improves the convenience of deep basal pit supporting construction installation and demolition.
Description
Technical Field
The application relates to the technical field of constructional engineering, in particular to a deep foundation pit supporting structure.
Background
The deep foundation pit refers to earthwork excavation, supporting and precipitation engineering of a foundation pit with an excavation depth of more than 5m (including 5 m), or earthwork excavation and supporting of a foundation pit with an excavation depth of less than 5m but complicated geological conditions, surrounding environment and underground pipelines or influencing the safety of adjacent buildings.
In order to ensure the smooth construction of the foundation pit and the safety of surrounding buildings, a supporting structure is generally arranged between the foundation pit and the side wall of the foundation pit, the supporting structure of the foundation pit has various forms, and the supporting structure of the foundation pit is used for preventing underground water and soil outside the foundation pit from flowing into the foundation pit. The foundation pit support for the current building construction is usually formed by pouring reinforced concrete and matching with corresponding guard plates, the rigidity and the bearing capacity of the foundation pit support formed by reinforced concrete members are large, the deformation is small, and the foundation pit support is suitable for foundation pits with any plane shapes.
In view of the above-mentioned related technologies, the inventor believes that the support method needs cast-in-place, has a long construction period and is inconvenient to dismantle, and usually needs to be dismantled by blasting.
SUMMERY OF THE UTILITY MODEL
In order to improve the convenience of deep basal pit supporting construction installation and demolition, this application provides a deep basal pit supporting construction.
The utility model provides a deep foundation pit supporting construction, is including the backup pad that is fixed in the foundation ditch lateral wall, predetermine the bottom plate at the bottom of the foundation ditch pit and the bracing piece of joint support board and bottom plate, one side that the backup pad deviates from the foundation ditch lateral wall is equipped with the supporting seat, the one end butt supporting seat of bracing piece, the bottom plate slides and is connected with the mount pad, the other end of bracing piece articulates in the mount pad, the bottom plate is fixed with the locking piece that prevents mount pad and bottom plate emergence relative movement.
By adopting the technical scheme, when the deep foundation pit is supported, the supporting plate is fixed on the side wall of the foundation pit and the bottom plate is fixed on the bottom surface of the foundation pit, the relative position of the mounting seat and the bottom plate is adjusted to enable the supporting rod to abut against the supporting seat, and the locking piece is locked to complete the support of the deep foundation pit; when the support is dismantled, the mounting seat and the bottom plate are unlocked, the mounting seat is slid away in the direction away from the supporting plate, the supporting rod can be put down, and then the supporting plate and the bottom plate are dismantled from the foundation pit respectively, so that the convenience of the deep foundation pit support in installation and dismantling is improved.
Optionally, the bottom plate fixed surface has along being close to the slider that the backup pad direction extends, the slider slides and is connected with the connecting plate, the connecting plate is seted up towards one side of bottom plate and is supplied the slider to inlay the spout of establishing, the mount pad is fixed in the one side that the connecting plate deviates from the bottom plate.
Through adopting above-mentioned technical scheme, the mount pad passes through the slider of bottom plate and the connection of sliding of the spout of connecting plate, makes the mount pad can slide along the direction of being close to and keeping away from the backup pad, makes the bracing piece support the supporting seat.
Optionally, the locking piece includes a fixed seat fixed on the surface of the bottom plate and a screw rod in threaded connection with the fixed seat, and one side of the connecting plate departing from the supporting plate is provided with a plug hole for the screw rod to be embedded in.
Through adopting above-mentioned technical scheme, rotatory screw rod, the screw rod supports the connecting plate and slides toward the direction of keeping away from the fixing base, and bracing piece laminating backup pad surface slides and supports the supporting seat until the bracing piece end, and the unable direction that is close to the fixing base of screw rod restriction connecting plate removes to reduce the probability that the deformation of foundation ditch lateral wall subsides, and the screw rod inlays and locates the in-process that the screw rod promoted the connecting plate and remove and produce the possibility of sliding relatively.
Optionally, the connecting plate is fixed with the rack along the both sides of perpendicular to connecting plate slip direction, the bottom plate surface is equipped with the pivot that is located the connecting plate both sides, the pivot is rotated and is connected in the bottom plate, the pivot be fixed with rack toothing's gear, gear surface wears to be equipped with and prevents gear revolve's bolt, the bottom plate surface is seted up and is supplied the bolt to insert the fixed orifices of establishing, the fixed orifices encircles the pivot evenly distributed of gear.
Through adopting above-mentioned technical scheme, the running gear, gear drive connecting plate and mount pad slide toward the direction that is close to the foundation ditch lateral wall, and bracing piece laminating backup pad surface slides and supports the supporting seat until the bracing piece is terminal, passes the bolt gear and inserts the fixed orifices and prevents gear antiport to make the bracing piece can firmly support the supporting seat.
Optionally, the backup pad is including the first even board of laminating foundation ditch lateral wall and be fixed in the first even board of second that is on the back of foundation ditch lateral wall one side of link of board, the second links the first even board of board perpendicular to, the second links board laminating foundation ditch pit bottom surface, the second links the board and is equipped with the first ground nail that passes the second and links the board and penetrate foundation ditch pit bottom surface, first board is equipped with the anchor nail that passes first even board and penetrate the foundation ditch lateral wall.
Through adopting above-mentioned technical scheme, mutually perpendicular's first even board and second even board are laminated in foundation ditch lateral wall and foundation ditch hole bottom surface respectively, and the second even board can disperse the partly atress of bracing piece when the bracing piece receives the power of toppling of backup pad to reduce the possibility that the bracing piece warp.
Optionally, the junction of first even board and second even board articulates there is a connecting rod, the end of connecting rod articulates there is the clamp that is used for withholding the bracing piece, the mounting groove that supplies the clamp to inlay the establishment is seted up to the week lateral wall of bracing piece, the length direction evenly distributed of bracing piece is followed to the mounting groove.
Through adopting above-mentioned technical scheme, the connecting rod passes through the clamp and is connected with the bracing piece, when the bracing piece received the power of toppling of backup pad, the connecting rod withstood the bracing piece, thereby reduce the possibility that the bracing piece takes place to warp, and the connecting rod can disperse partly mount pad to the reaction force of bracing piece, thereby reduce and reduce the possibility that the backup pad was jacked and slided along the foundation ditch lateral wall, and reduced bracing piece supporting shoe bottom and slided away and lead to the bracing piece can't play the supporting role the possibility.
Optionally, the connecting rod includes first connecting rod and inserts the second connecting rod of locating first connecting rod, the adjusting hole that distributes along length direction is seted up to second connecting rod week lateral wall, the fixed orifices that is close to the end is seted up to first connecting rod week side, and the fixed orifices and the adjusting hole of coincidence are inserted and are equipped with the bolt.
Through adopting above-mentioned technical scheme, adjust first connecting rod and insert the length of locating the second connecting rod, be fixed in the position of fixed orifices and regulation hole coincidence again with the bolt, can be with the length of adjusting the connecting rod, make the connecting rod support the bracing piece.
Optionally, the surface of the base plate is fixed with second ground nails embedded at the bottom of the foundation pit, and the second ground nails are distributed at four corners of the surface of the base plate.
Through adopting above-mentioned technical scheme, the bottom plate is fixed in the foundation ditch hole end through the second ground nail, when the bracing piece received the power of overturning of backup pad, can reduce the bracing piece and promote the possibility that the bottom plate slided.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the deep foundation pit is supported, the relative position of the mounting seat and the bottom plate is adjusted to enable the supporting rod to abut against the supporting seat, and the locking piece is locked to complete the support of the deep foundation pit; when the support is dismantled, the mounting seat and the bottom plate are unlocked, the mounting seat slides away in the direction away from the supporting plate, the supporting rod can be put down, and then the supporting plate and the bottom plate are respectively dismantled from the foundation pit, so that the convenience of the installation and the dismantling of the deep foundation pit support is improved;
2. the first connecting plate and the second connecting plate which are perpendicular to each other are respectively attached to the side wall of the foundation pit and the bottom surface of the foundation pit, and when the supporting rod is subjected to the overturning force of the supporting plate, the second connecting plate can disperse part of stress of the supporting rod, so that the possibility of deformation of the supporting rod is reduced;
3. the connecting rod withstands the bracing piece and can reduce the possibility that the bracing piece takes place to warp to the connecting rod can disperse some mount pads to the reaction force of bracing piece, thereby reduce and reduce the possibility that the backup pad was slided along the foundation ditch lateral wall by jack-up, and reduced bracing piece supporting shoe bottom and slided away and lead to the bracing piece can't play the supporting role the possibility.
Drawings
Fig. 1 is a schematic structural view of a deep foundation pit supporting structure in example 1.
Fig. 2 is a side view of a deep foundation pit supporting structure according to embodiment 1.
Fig. 3 is a schematic structural view of a deep foundation pit supporting structure in example 2.
Fig. 4 is an enlarged schematic view at a in fig. 3.
Description of reference numerals: 1. a support plate; 11. a first connecting plate; 111. anchoring the bolts; 112. a supporting seat; 113. mounting holes; 12. a second connecting plate; 121. a first ground nail; 13. a connecting seat; 2. a base plate; 21. a second ground nail; 22. a slider; 23. a rotating shaft; 24. a stressing rod; 25. a locking hole; 3. a connecting plate; 31. inserting holes; 32. a rack; 4. a mounting seat; 5. a support bar; 51. a support block; 52. mounting grooves; 6. a locking member; 61. a fixed seat; 62. a screw; 63. a bolt; 7. a connecting rod; 71. a first link; 711. a fixing hole; 72. a second link; 721. an adjustment hole; 8. clamping a hoop; 81. a first snap ring; 82. a second snap ring; 9. a gear; 91. and a through hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses deep basal pit supporting construction.
Example 1:
referring to fig. 1 and 2, a deep foundation pit supporting structure comprises a supporting plate 1 attached to a side wall of a foundation pit and a bottom plate 2 attached to the foundation pit, wherein the supporting plate 1 comprises a first connecting plate 11 attached to the side wall of the foundation pit and a second connecting plate 12 attached to a pit bottom of the foundation pit, an anchor 111 inserted into the side wall of the foundation pit is fixed on the surface of the first connecting plate 11, a first ground nail 121 inserted into the first connecting plate 11 is fixed on the surface of the second connecting plate 12, an installation seat 4 is connected to one side of the bottom plate 2, which is far away from the pit bottom of the foundation pit, in a sliding manner, the installation seat 4 is hinged with a supporting rod 5, a supporting seat 112 is fixed on one side of the first connecting plate 11, which is far away from the side wall of the foundation pit, the supporting seat 112 is fixed on the first connecting plate 11 through bolts, a plurality of installation holes 113 used for adjusting the installation position of the supporting seat 112 are formed in the surface of the first connecting plate 11, the cross section of the supporting seat 112 is in a right-angle three-stage shape, and a right-angle edge of the supporting seat 112 is attached to the surface of the supporting plate 1, the other right-angle side is perpendicular to the surface of the support plate 1 and faces the bottom of a foundation pit, the other end of the support rod 5 is fixed with a support block 51, the cross section of the support block 51 is also a right-angle triangle, and the two right-angle sides of the support block 51 are respectively attached to the support base 112 and the surface of the support plate 1.
Referring to fig. 2, one side that bottom plate 2 deviates from the foundation ditch pit bottom is fixed with two sliders 22 that extend along 2 length direction of bottom plate, 2 tops of bottom plate are slided and are connected with connecting plate 3, 3 bottoms of connecting plate offer with slider 22 matched with spout, 2 tops of bottom plate are fixed with two locking pieces 6 that prevent connecting plate 3 and bottom plate 2 to take place relative movement, locking piece 6 is including being fixed in the top and keeping away from the fixing base 61 at the edge of backup pad 1 and wearing to locate fixing base 61 and support the screw rod 62 of connecting plate 3, connecting plate 3 offers the spliced eye 31 that supplies the screw rod 62 embedding towards one side of fixing base 61.
Articulated in the middle of the junction of first link plate 11 and second link plate 12 have a connecting rod 7 that supports bracing piece 5, the other end of connecting rod 7 articulates there is the clamp 8 of withholding bracing piece 5, clamp 8 is high strength cast iron clamp 8, the mounting groove 52 of a plurality of confession clamps 8 embedding is seted up to the side wall of bracing piece 5, the length direction evenly distributed of bracing piece 5 is followed to mounting groove 52, clamp 8 including articulate in the terminal first snap ring 81 of connecting rod 7 and with first snap ring 81 matched with second snap ring 82, first snap ring 81 and second snap ring 82 lock and block the mounting groove 52 of bracing piece 5 through the bolt.
The connecting rod 7 includes a first connecting rod 71 and a second connecting rod 72, the first connecting rod 71 is tubular, the second connecting rod 72 is inserted into the first connecting rod 71, a fixing hole 711 is formed in the peripheral side wall of the first connecting rod 71, adjusting holes 721 uniformly distributed along the length direction of the second connecting rod 72 are formed in the peripheral side wall of the second connecting rod 72, and bolts penetrating through the fixing hole 711 and embedded into the adjusting holes 721 are arranged in the peripheral side wall of the first connecting rod 71. When the connecting rod 7 is installed, the length of the second connecting rod 72 inserted into the first connecting rod 71 is adjusted, the first snap ring 81 at the tail end of the second connecting rod 72 is clamped in the installation groove 52, the bolt is screwed into the overlapped fixing hole 711 and the adjusting hole 721, and then the second snap ring 82 is locked with the first snap ring 81 through the bolt, so that the connecting rod 7 supports the supporting rod 5.
Embodiment 1 applies for a deep foundation pit supporting structure and its implementation principle is:
when carrying out the strut of deep basal pit, at the bottom of bracing piece 5 laminating foundation ditch lateral wall and foundation ditch hole earlier, then insert first ground nail 121 at the bottom of the foundation ditch hole, anchor 111 inserts the foundation ditch lateral wall and is fixed in the foundation ditch with backup pad 1, then laminate foundation ditch bottom with bottom plate 2, insert second ground nail 21 at the bottom of bottom plate 2 is fixed in the foundation ditch hole bottom, laminate backup pad 1 surface with bracing piece 5, rotatory screw rod 62, screw rod 62 promotes connecting plate 3 and moves toward the direction that is close to backup pad 1, bracing piece 5 slides up along the lateral wall of backup pad 1, continue rotatory screw rod 62 and support supporting seat 112 until the terminal supporting shoe 51 of bracing piece 5, the length of adjusting connecting rod 7 locks clamp 8 on bracing piece 5 at last.
When the support of the deep foundation pit is dismantled, the hoop 8 at the tail end of the support rod 5 is untied, then the connecting rod 7 is adjusted to be the shortest length, the screw rod 62 is rotated reversely to enable the connecting plate 3 to slide towards the direction far away from the support plate 1, the support block 51 slides to the bottom of the support seat 112, then the first ground nail 121, the anchor nail 111 and the second ground nail 21 are dismantled respectively, and finally the support plate 1 and the bottom plate 2 are dismantled from the foundation pit.
Example 2:
referring to fig. 3 and 4, embodiment 2 differs from embodiment one in that: connecting plate 3 is fixed with rack 32 respectively along width direction's both sides, rack 32 extends along connecting plate 3's glide direction, 2 surfaces of bottom plate rotate and are connected with two pivot 23 that are located the connecting rod 7 both sides respectively, pivot 23 is fixed with the gear 9 with rack 32 engaged with, a plurality of fixed orificess 711 that distribute around pivot 23 are seted up on 2 surfaces of bottom plate, gear 9 sets up the through-hole 91 that runs through gear 9 on the surface, locking piece 6 is for wearing to locate a bolt 63 of through-hole 91, fixed orifices 711 is set in to bolt 63, the week lateral wall of pivot 23 is fixed with an edge rotation pivot 23's stiffener 24.
when carrying out the strut of deep basal pit, at the bottom of bracing piece 5 laminating foundation ditch lateral wall and foundation ditch hole earlier, then insert first ground nail 121 at the bottom of the foundation ditch hole, anchor 111 inserts the foundation ditch lateral wall and is fixed in the foundation ditch with backup pad 1, then laminate foundation ditch bottom with bottom plate 2, insert second ground nail 21 at the bottom of bottom plate 2 is fixed in the foundation ditch hole bottom, laminate backup pad 1 surface with bracing piece 5, rotary gear 9, gear 9 rotates and drives connecting plate 3 and move toward the direction that is close to backup pad 1, bracing piece 5 slides up along the lateral wall of backup pad 1, continue rotary gear 9 and support supporting seat 112 until the terminal supporting shoe 51 of bracing piece 5, insert fixed orifices 711 with bolt 63 through-hole 91, the length of adjusting connecting rod 7 is last with clamp 8 lock on bracing piece 5.
When the support of the deep foundation pit is dismantled, the hoop 8 at the tail end of the support rod 5 is untied, then the connecting rod 7 is adjusted to be the shortest length, the bolt 63 is pulled away, the gear 9 is rotated reversely to enable the connecting plate 3 to slide towards the direction far away from the support plate 1, the support block 51 slides to the bottom of the support seat 112, then the first ground nail 121, the anchor nail 111 and the second ground nail 21 are dismantled respectively, and finally the support plate 1 and the bottom plate 2 are dismantled from the foundation pit.
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 a deep basal pit supporting construction which characterized in that: including backup pad (1) that is fixed in the foundation ditch lateral wall, predetermine bottom plate (2) and the bracing piece (5) of joint support board (1) and bottom plate (2) at the bottom of the foundation ditch pit, one side that backup pad (1) deviates from the foundation ditch lateral wall is equipped with supporting seat (112), the one end butt supporting seat (112) of bracing piece (5), bottom plate (2) slide and are connected with mount pad (4), the other end of bracing piece (5) articulates in mount pad (4), bottom plate (2) are fixed with locking piece (6) that prevent mount pad (4) and bottom plate (2) to take place relative movement.
2. A deep foundation pit supporting construction according to claim 1, wherein: bottom plate (2) fixed surface has along being close to slider (22) that backup pad (1) direction extends, slider (22) slide and are connected with connecting plate (3), connecting plate (3) are seted up towards one side of bottom plate (2) and are supplied slider (22) to inlay the spout of establishing, mount pad (4) are fixed in one side that connecting plate (3) deviate from bottom plate (2).
3. A deep foundation pit supporting construction according to claim 2, wherein: locking piece (6) are including being fixed in bottom plate (2) surface fixing base (61) and threaded connection in screw rod (62) of fixing base (61), spliced eye (31) that supply screw rod (62) embedding are seted up to one side that connecting plate (3) deviate from backup pad (1).
4. A deep foundation pit supporting construction according to claim 2, wherein: connecting plate (3) are fixed with rack (32) along perpendicular to connecting plate (3) sliding direction's both sides, bottom plate (2) surface is equipped with pivot (23) that are located connecting plate (3) both sides, pivot (23) rotate to be connected in bottom plate (2), pivot (23) are fixed with gear (9) with rack (32) meshing, gear (9) surface is worn to be equipped with and is prevented gear (9) pivoted bolt (63), bottom plate (2) surface is seted up and is supplied bolt (63) to insert fixed orifices (711) of establishing, fixed orifices (711) encircle pivot (23) evenly distributed of gear (9).
5. A deep foundation pit supporting construction according to claim 1, wherein: backup pad (1) is including first even board (11) of laminating foundation ditch lateral wall and be fixed in first even board (11) and deviate from second even board (12) of foundation ditch lateral wall one side, the second is even first even board (11) of board (12) perpendicular to, the second is even board (12) laminating foundation ditch hole bottom surface, the second is even board (12) is equipped with and passes second even board (12) and penetrate foundation ditch hole bottom surface's first ground nail (121), first even board (11) are equipped with and pass first even board (11) and penetrate anchor (111) of foundation ditch lateral wall.
6. A deep foundation pit supporting construction according to claim 5, wherein: first even board (11) and second link the junction of board (12) to articulate there is a connecting rod (7), the end of connecting rod (7) articulates there is clamp (8) that is used for withholding bracing piece (5), the week lateral wall of bracing piece (5) is seted up and is supplied clamp (8) to inlay mounting groove (52) of establishing, the length direction evenly distributed of bracing piece (5) is followed in mounting groove (52).
7. The deep foundation pit supporting structure according to claim 6, wherein: connecting rod (7) include first connecting rod (71) and insert second connecting rod (72) of locating first connecting rod (71), regulation hole (721) along length direction distribution are seted up to second connecting rod (72) week side wall, first connecting rod (71) week side is seted up and is close to terminal fixed orifices (711), and coincident fixed orifices (711) and regulation hole (721) are inserted and are equipped with the bolt.
8. A deep foundation pit supporting construction according to claim 1, wherein: the bottom plate (2) fixed surface has second ground nail (21) of inlaying and locating the foundation ditch hole bottom, second ground nail (21) distribute in bottom plate (2) surface four corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120273723.4U CN214328897U (en) | 2021-01-28 | 2021-01-28 | Deep foundation pit supporting structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120273723.4U CN214328897U (en) | 2021-01-28 | 2021-01-28 | Deep foundation pit supporting structure |
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| CN214328897U true CN214328897U (en) | 2021-10-01 |
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| CN202120273723.4U Active CN214328897U (en) | 2021-01-28 | 2021-01-28 | Deep foundation pit supporting structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321493A (en) * | 2021-11-30 | 2022-04-12 | 中国一冶集团有限公司 | Pipeline installation fixing support and construction method thereof |
| CN114775628A (en) * | 2022-04-01 | 2022-07-22 | 北京首钢建设集团有限公司 | Foundation pit supporting system and method |
-
2021
- 2021-01-28 CN CN202120273723.4U patent/CN214328897U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114321493A (en) * | 2021-11-30 | 2022-04-12 | 中国一冶集团有限公司 | Pipeline installation fixing support and construction method thereof |
| CN114321493B (en) * | 2021-11-30 | 2023-05-16 | 中国一冶集团有限公司 | Pipeline installation fixing support and construction method thereof |
| CN114775628A (en) * | 2022-04-01 | 2022-07-22 | 北京首钢建设集团有限公司 | Foundation pit supporting system and method |
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