CN210507476U - Foundation pit supporting beam and foundation pit inner supporting structure - Google Patents
Foundation pit supporting beam and foundation pit inner supporting structure Download PDFInfo
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- CN210507476U CN210507476U CN201920987586.3U CN201920987586U CN210507476U CN 210507476 U CN210507476 U CN 210507476U CN 201920987586 U CN201920987586 U CN 201920987586U CN 210507476 U CN210507476 U CN 210507476U
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- supporting
- foundation pit
- foundation ditch
- vertical post
- supporting beam
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 140
- 238000012806 monitoring device Methods 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 210000002421 cell wall Anatomy 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010030 laminating Methods 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model discloses a supporting beam of foundation ditch and foundation ditch inner supporting structure, relate to the technical field of excavation supporting engineering, it includes a plurality of supporting beam bodies, the vertical insertion of foundation ditch side slope border department is equipped with a plurality of fender piles, a plurality of fender pile up end an organic whole are pour the guan liang of arranging the direction along a plurality of fender piles, a supporting beam body sets up the one side that deviates from the fender pile that is close to with it at guanliang, a plurality of supporting beam bodies enclose to close and form the frame form, be provided with a plurality of support columns that are used for supporting a supporting beam body under a supporting beam body, the quadrature is provided with a plurality of girders between two supporting beam bodies of relative setting, the foundation ditch is at the bottom of a pit inserted and is equipped with a plurality of vertical posts that are used for supporting the girder, vertical rotation in the middle part of vertical post is connected with two bearing diagonal bracings. The utility model discloses a girder and vertical post support a supporting beam body and make inner support structure can be applicable to the strutting of super large area foundation ditch, and the practicality is stronger.
Description
Technical Field
The utility model belongs to the technical field of the technique of excavation supporting engineering and specifically relates to a supporting beam of foundation ditch and foundation ditch inner supporting structure are related to.
Background
The foundation pit support is a retaining, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. The foundation pit supporting engineering comprises many closely-connected links such as soil retaining, supporting, water proofing, precipitation, soil digging and the like, and a conventional supporting structure needs to be provided with an anchor rod on a supporting pile and also needs to be provided with an inner support to ensure that the supporting pile effectively supports a foundation pit side slope.
Chinese patent with patent publication number CN207700196U proposes a foundation pit supporting beam and a foundation pit inner supporting structure, including: the side part of the top cover is provided with a clamping groove; the supporting mechanism comprises a preformed hole, a concrete beam and a cement coating, the concrete beam is connected with the clamping groove in a clamping mode, the preformed hole is formed in the bottom of the concrete beam, and the cement coating is arranged on the side portion of the concrete beam; the hollow cavity is an area formed by enclosing the supporting mechanism and the top cover; the fixed screw is inserted and matched with the preformed hole; the internal stay mechanism comprises a fixed column, a first inclined strut, a second inclined strut and a screw rod, the fixed column is arranged on the side portion of the cement coating, and the first inclined strut is rotationally connected with the second inclined strut. The utility model discloses a supporting beam of foundation ditch and foundation ditch inner supporting structure that provide can dismantle, the maintenance of being convenient for, and stability can be high.
The above prior art solutions have the following drawbacks: the inner support in the supporting structure supports the concrete beams at two opposite sides only through the first inclined support and the second inclined support which are arranged in a crossed mode, when the area of a foundation pit is large, the rigidity of the inner support formed by the first inclined support and the second inclined support is not strong, and the concrete beams are difficult to effectively support.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an inner support structure is stable and be applicable to the foundation ditch supporting beam and the foundation ditch inner support structure of large tracts of land foundation ditch.
The utility model aims at realizing through the following technical scheme:
the utility model provides a supporting beam of foundation ditch and supporting structure in foundation ditch, includes a plurality of supporting beam bodies, and the vertical inserting of foundation ditch side slope border department is equipped with a plurality of fender piles, and is a plurality of a fender pile up end integrative pouring has along a plurality ofly the hat beam of fender pile direction of arranging, a supporting beam body sets up hat beam deviates from it neighbouring one side of a fender pile, and is a plurality of a supporting beam body encloses to close and forms the frame form, be provided with a plurality of support columns that are used for supporting a supporting beam body under a supporting beam body, the quadrature is provided with a plurality of girders between two supporting beam bodies that set up relatively, and the foundation ditch is at the bottom of the pit is inserted and is equipped with a plurality ofly and is used for supporting the vertical post of girder, vertical rotation in the middle part of the vertical post is connected with two bearing diagonal braces, bearing one end with the girder bolt is connected.
By adopting the technical scheme, after the supporting piles and the crown beams are poured, the frame-shaped supporting beam bodies are arranged on the inner sides of the crown beams along the edges, the supporting columns are inserted at the bottom of the foundation pit to support the supporting beam bodies, the supporting beam bodies and the supporting columns form a primary supporting structure to support the protecting piles, then a plurality of main beams are fixedly bolted between the two oppositely arranged supporting beam bodies, the main beams cross the upper part of the foundation pit and support the supporting beam bodies at the two ends of the foundation pit, and the overall connection stability of the supporting beam bodies is further ensured; the vertical post then supports the girder of large-span to prevent as far as possible that the girder from receiving the dead weight to take place the skew in vertical direction and lead to can't providing effectual support to two relative supporting beam main parts, the setting of two bearing diagonal further consolidates vertical post, the effective support performance of vertical post to the girder has been improved, make inner support structure can be applicable to the effective of large-scale foundation ditch and strut, and stable in structure, intensity is high, also be convenient for dismantle and reuse, engineering cost has been reduced.
Further setting the following steps: the main beam is close to one side of the vertical column is provided with a groove matched with the vertical column in an interference splicing manner, and the upper end surface of the vertical column is abutted against the bottom wall of the groove to support the main beam.
Through adopting above-mentioned technical scheme, when the upper end of vertical post was pegged graft with the recess and is fit for, support the girder, can prevent to a certain extent that vertical post and girder from taking place the skew, strengthened the stability of being connected between girder and the vertical post.
Further setting the following steps: the vertical column is a square tube, the three adjacent side walls in the circumferential direction at the upper end of the vertical column are attached to the groove walls, a buffer cavity is reserved between the other side wall and the adjacent groove wall, and a monitoring device for monitoring the inclination phenomenon of the vertical column or the axial deviation phenomenon of the main beam is arranged in the buffer cavity.
Through adopting above-mentioned technical scheme, when vertical post supported the girder, if vertical post takes place to empty or the girder takes place to support the skew, vertical post is close to towards the cushion chamber and produces the offset, and monitoring devices monitors this offset to constructor can in time discover inner support structure's instability, can in time handle, guarantees the permanent support of inner support structure to the foundation ditch as far as possible.
Further setting the following steps: the monitoring device comprises a press switch fixedly connected to the groove on the groove wall on one side of the main beam in the length direction, and an elastic part is elastically connected between the groove wall close to the press switch and the side wall of the vertical column.
Through adopting above-mentioned technical scheme, when vertical post takes place to empty or the girder takes place to support the skew, vertical post is close to towards the cushion chamber, and the elastic component is compressed and is produced deformation, plays the cushioning effect to being connected between girder and the vertical post, and when the offset between girder and the vertical post was too big, vertical post pressed down press switch to realize the real-time supervision of monitoring devices offset between girder and the vertical post.
Further setting the following steps: and an alarm connected with the press switch in a control manner is fixedly connected to the upper end face of the main beam.
Through adopting above-mentioned technical scheme, when taking place the skew between girder and the vertical post, vertical post extrusion press switch, press switch transmission signal of telecommunication give the alarm to constructor can in time discover interior bearing structure's unstable point, thereby the very first time is inspected, is maintained unstable point.
Further setting the following steps: the supporting seat is arranged at the position, in contact with the ground of the foundation pit, of the vertical column, the clamping groove matched with the vertical column in an inserting mode is formed in the supporting seat, and the opening of the clamping groove deviates from the center of the foundation pit.
Through adopting above-mentioned technical scheme, vertical post is inserted and is established behind the foundation ditch bottom, and the supporting seat supports vertical post when the draw-in groove on vertical post and the supporting seat is pegged graft the adaptation to prevent vertical post as far as possible and take place the skew in the horizontal direction, improved the stability of vertical post.
Further setting the following steps: the lower end face of the supporting seat is fixedly connected with a heel block at one end far away from the clamping groove.
Through adopting above-mentioned technical scheme, heel piece has strengthened being connected of supporting seat and foundation ditch ground, has further improved the stable support of supporting seat to vertical post.
Further setting the following steps: the upper end face of the supporting seat is provided with a positioning groove, and the peripheral wall of the vertical column is fixedly connected with a positioning ring which is matched with the positioning groove in an inserting mode.
Through adopting above-mentioned technical scheme, after the suitable degree of depth of vertical post plug in foundation ditch bottom, holding ring and constant head tank plug-in connection to prevent that vertical post from further sinking after supporting the girder, further improved the stable support of supporting seat to vertical post.
Further setting the following steps: a plurality of reinforcing beams are fixedly connected between every two adjacent main beams.
Through adopting above-mentioned technical scheme, a plurality of strengthening beams link the girder to become whole, have improved girder structure's stability, and then have improved the support effect of inner support structure to the foundation ditch.
To sum up, the utility model discloses a beneficial technological effect does:
1. the main beams and the vertical columns form an inner support to support the supporting beam body, so that the foundation pit is effectively supported, and the inner support mechanism can be suitable for effectively supporting a large-area foundation pit when supporting the supporting beam body and the supporting piles;
2. when the push switch is arranged in the buffer cavity, the connection condition of the main beam and the vertical column is monitored in real time, so that the internal support structure provides real-time monitoring for supporting of the foundation pit, and a constructor can conveniently overhaul and maintain the internal support structure in time to ensure that the internal support structure supports the foundation pit for a long time;
3. set up the supporting seat, accessible draw-in groove, heel piece and constant head tank and holding ring have strengthened vertical post and have inserted the stability of establishing in the foundation ditch for vertical post is more firm to the support of girder.
Drawings
Fig. 1 is an overall sectional view of the present invention;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.
Reference numerals: 1. a support beam body; 2. supporting piles; 3. a crown beam; 4. a support pillar; 5. a main beam; 6. a vertical column; 7. obliquely supporting; 8. a groove; 9. a buffer chamber; 10. a push switch; 11. an elastic member; 12. an alarm; 13. a supporting seat; 14. a card slot; 15. a heel piece; 16. positioning a groove; 17. a positioning ring; 18. and reinforcing the beam.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a foundation pit supporting beam and a foundation pit internal supporting structure disclosed by the utility model comprises a plurality of supporting beam bodies 1, a plurality of supporting piles 2 formed by pouring reinforced concrete are vertically inserted at the edge of a foundation pit side slope, a plurality of crown beams 3 along the arrangement direction of the plurality of supporting piles 2 are integrally poured on the upper end faces of the plurality of supporting piles 2, the supporting beam bodies 1 are arranged at one sides of the crown beams 3 which are far away from the supporting piles 2 adjacent to the supporting beams, the plurality of supporting beam bodies 1 are enclosed into a frame shape, a plurality of supporting columns 4 for supporting the supporting beam bodies 1 are arranged under the supporting beam bodies 1, a plurality of main beams 5 are orthogonally bolted and connected between two supporting beam bodies 1 which are oppositely arranged, a plurality of reinforcing beams 18 are fixedly connected between two adjacent main beams 5, a plurality of vertical columns 6 for supporting the main beams 5 are inserted at the bottom of the foundation pit, two inclined supports 7 are vertically and rotatably connected in the middle parts of the vertical columns 6, one end of the inclined strut 7 is fixedly bolted with the main beam 5, and the other end of the inclined strut is inserted into the bottom of the foundation pit.
When a foundation pit is supported, sequentially pouring a supporting pile 2 and a crown beam 3 at the current preset position, after the supporting pile 2 and the crown beam 3 are solidified, arranging a frame-shaped supporting beam body 1 on the inner side edge of the crown beam 3, inserting a supporting column 4 at the bottom of the foundation pit to support the supporting beam body 1, and forming a primary supporting structure by the supporting beam body 1 and the supporting column 4 to support the protecting pile; then, a plurality of main beams 5 are fixedly bolted between the two oppositely arranged supporting beam bodies 1, the main beams 5 are connected into a whole by a plurality of reinforcing beams 18, the structural stability of the main beams 5 is improved, the supporting effect of the inner supporting structure on the foundation pit is further improved, the main beams 5 penetrate through the upper part of the foundation pit and support the supporting beam bodies 1 at the two ends of the foundation pit, and the integral connection stability of the supporting beam bodies 1 is further ensured; a plurality of vertical posts 6 then support the girder 5 of large-span, prevent as far as possible that girder 5 from receiving the dead weight and taking place the skew in vertical direction and leading to can't provide effectual support to two relative supporting beam bodies 1, the setting up of two bearing diagonal 7 is further consolidated vertical post 6, vertical post 6 has improved the effective support performance to girder 5, make inner support structure can be applicable to the effective support of large-scale foundation ditch, and stable in structure, and high strength, also be convenient for dismantle and reuse, construction cost has been reduced.
Referring to fig. 1 and 2, the vertical column 6 is a square tube, one side of the main beam 5 close to the vertical column 6 is provided with a groove 8 which is in interference fit with the vertical column 6, the cross section of the groove 8 is rectangular, the length of the short side of the groove is equal to the length of the cross section of the vertical column 6, the upper end surface of the vertical column 6 is abutted against the bottom wall of the groove 8 to support the main beam 5, three adjacent side walls in the circumferential direction of the upper end of the vertical column 6 are respectively attached to the groove walls of the groove 8, a buffer cavity 9 is left between the other side wall and the adjacent groove wall of the groove 8, the buffer cavity 9 is positioned at one side of the vertical column 6 close to the center of the foundation pit, a monitoring device for monitoring the inclination phenomenon of the vertical column 6 or the horizontal deviation phenomenon of the main beam 5 is arranged in the buffer cavity 9, the monitoring device comprises a press switch 10 fixedly connected to the groove wall of one side of, the elastic element 11 is preferably a spring, and an alarm 12 which is in control connection with the push switch 10 is fixedly connected to the upper end face of the main beam 5.
When the upper end of vertical post 6 and recess 8 are pegged graft and are adapted, carry out good support to girder 5, vertical post 6 supports girder 5, if vertical post 6 takes place to empty or girder 5 takes place to support the skew, vertical post 6 is close to and produces the offset towards cushion chamber 9, elastic component 11 is compressed and produces deformation, play the cushioning effect to being connected between girder 5 and the vertical post 6, when the offset between girder 5 and the vertical post 6 is too big, vertical post 6 presses down push switch 10, push switch 10 transmits the signal of telecommunication for alarm 12, so that constructor can in time discover inner support structure's unstable point, thereby the very first time is examined the unstable point, maintain, guarantee the permanent support of inner support structure to the foundation ditch as far as possible.
Referring to fig. 1 and 3, the position of vertical post 6 and foundation ditch ground contact is provided with supporting seat 13, run through on the supporting seat 13 and set up the draw-in groove 14 with the adaptation of pegging graft of vertical post 6, draw-in groove 14 opening deviates from the foundation ditch center, the terminal surface has heel piece 15 in the one end rigid coupling of keeping away from draw-in groove 14 under the supporting seat 13, annular constant head tank 16 has been seted up in draw-in groove 14 department to the supporting seat 13 up end, vertical post 6 perisporium rigid coupling has the holding ring 17 with the adaptation of pegging graft of.
The implementation principle and the beneficial effects of the embodiment are as follows:
after the supporting piles 2 and the crown beams 3 are poured, the supporting beam bodies 1 and the supporting columns 4 form a primary supporting structure to support the protecting piles, then a plurality of main beams 5 are fixedly bolted between the two oppositely-arranged supporting beam bodies 1, the main beams 5 penetrate through the upper part of the foundation pit and support the supporting beam bodies 1 at the two ends of the foundation pit, and the overall connection stability of the supporting beam bodies 1 is further ensured; vertical post 6 then supports the girder 5 of large-span, prevent as far as possible that girder 5 from receiving the dead weight to take place the skew in vertical direction and lead to can't providing effectual support to two relative supporting beam bodies 1, the setting of two bearing diagonal 7 is further consolidated vertical post 6, vertical post 6 has improved the effective support performance to girder 5, make inner support structure can be applicable to the effective support and protection of large-scale foundation ditch, and stable in structure, high strength, also be convenient for dismantle and reuse, construction cost has been reduced.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. The utility model provides a foundation ditch supporting beam and foundation ditch inner supporting structure, includes a plurality of supporting beam bodies (1), its characterized in that: a plurality of supporting piles (2) are vertically inserted at the edge of a foundation pit side slope, a crown beam (3) along the arrangement direction of the plurality of supporting piles (2) is integrally poured on the upper end face of the plurality of supporting piles (2), the supporting beam body (1) is arranged on one side of the crown beam (3) deviating from the supporting pile (2) adjacent to the crown beam, the supporting beam bodies (1) are enclosed to form a frame shape, a plurality of supporting columns (4) used for supporting the supporting beam bodies (1) are arranged under the supporting beam bodies (1), a plurality of main beams (5) are orthogonally arranged between two oppositely arranged supporting beam bodies (1), a plurality of vertical columns (6) used for supporting the main beams (5) are inserted at the bottom of the foundation pit, two inclined supports (7) are vertically and rotatably connected in the middle of the vertical columns (6), one ends of the inclined supports (7) are bolted and fixed with the main beams (5), the other end is inserted in the bottom of the foundation pit.
2. A foundation pit support beam and foundation pit internal support structure as claimed in claim 1, wherein: girder (5) are close to one side of vertical post (6) seted up with recess (8) of vertical post (6) interference grafting adaptation, vertical post (6) up end with recess (8) diapire butt is in order to right girder (5) support.
3. A foundation pit support beam and foundation pit internal support structure as claimed in claim 2, wherein: vertical post (6) select for use side's pipe, vertical post (6) upper end circumference three adjacent lateral wall all with recess (8) cell wall laminating, another lateral wall and neighbouring it has cushion chamber (9) to have surplus between recess (8) cell wall, be provided with in cushion chamber (9) and be used for monitoring vertical post (6) slope phenomenon or girder (5) axial displacement phenomenon's monitoring devices.
4. A foundation pit support beam and foundation pit internal support structure as claimed in claim 3, wherein: the monitoring device comprises a pressing switch (10) fixedly connected with the groove (8) along the groove wall on one side of the length direction of the main beam (5), and an elastic part (11) is elastically connected between the groove wall of the groove (8) close to the pressing switch (10) and the side wall of the vertical column (6).
5. A foundation ditch support beam and foundation ditch internal support structure as claimed in claim 4, characterized in that: an alarm (12) in control connection with the press switch (10) is fixedly connected to the upper end face of the main beam (5).
6. A foundation pit support beam and foundation pit internal support structure as claimed in claim 1, wherein: the position that vertical post (6) and foundation ditch ground contact is provided with supporting seat (13), seted up on supporting seat (13) with draw-in groove (14) of vertical post (6) grafting adaptation, the opening of draw-in groove (14) deviates from the foundation ditch center.
7. A foundation ditch support beam and foundation ditch internal support structure as claimed in claim 6, characterized in that: the lower end face of the supporting seat (13) is fixedly connected with a heel block (15) at one end far away from the clamping groove (14).
8. A foundation ditch support beam and foundation ditch internal support structure as claimed in claim 7, wherein: the upper end surface of the supporting seat (13) is provided with a positioning groove (16), and the peripheral wall of the vertical column (6) is fixedly connected with a positioning ring (17) which is in splicing fit with the positioning groove (16).
9. A foundation pit support beam and foundation pit internal support structure as claimed in claim 1, wherein: a plurality of reinforcing beams (18) are fixedly connected between every two adjacent main beams (5).
Priority Applications (1)
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CN201920987586.3U CN210507476U (en) | 2019-06-26 | 2019-06-26 | Foundation pit supporting beam and foundation pit inner supporting structure |
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CN201920987586.3U CN210507476U (en) | 2019-06-26 | 2019-06-26 | Foundation pit supporting beam and foundation pit inner supporting structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112431209A (en) * | 2020-11-27 | 2021-03-02 | 上海金鹿建设(集团)有限公司 | Foundation pit supporting protection structure |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112431209A (en) * | 2020-11-27 | 2021-03-02 | 上海金鹿建设(集团)有限公司 | Foundation pit supporting protection structure |
CN112431209B (en) * | 2020-11-27 | 2021-12-07 | 上海金鹿建设(集团)有限公司 | Foundation pit supporting protection structure |
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Granted publication date: 20200512 |