CN215441924U - Profiled bar inclined supporting structure in foundation pit - Google Patents

Profiled bar inclined supporting structure in foundation pit Download PDF

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Publication number
CN215441924U
CN215441924U CN202121129278.0U CN202121129278U CN215441924U CN 215441924 U CN215441924 U CN 215441924U CN 202121129278 U CN202121129278 U CN 202121129278U CN 215441924 U CN215441924 U CN 215441924U
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Prior art keywords
foundation pit
supporting
section steel
hole
plate
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CN202121129278.0U
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张鸿芬
姚群
吴于萍
俞满江
张华�
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Zhejiang Zhancheng Construction Group Co Ltd
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Zhejiang Zhancheng Construction Group Co Ltd
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Abstract

The utility model relates to the technical field of building construction, in particular to a profiled bar inclined supporting structure in a foundation pit, which comprises a supporting unit; the supporting unit comprises a baffle body, the bottom of the baffle body is provided with an inserted bar, and the top of the baffle body is provided with a jack which is matched and inserted with the inserted bar of the other baffle body; the two axial ends of the supporting section steel are provided with a pair of section steel connecting holes; the first mounting part comprises two connecting plates which are vertically arranged on one side of the baffle body back to the foundation pit wall; the connecting plate is provided with first connecting holes at intervals along the vertical direction, and the first connecting holes are used for being connected with the section steel connecting holes at the first axial end of the support section steel through connecting pieces; and the supporting piles are inserted at the bottom of the foundation pit, and the top surfaces of the supporting piles are exposed out of the bottom surface of the foundation pit. According to the utility model, a proper number of supporting units can be selected for assembly according to the depth of the foundation pit, and the sum of the heights of all the baffle bodies is matched with the depth of the foundation pit, so that the supporting structure has good universality.

Description

Profiled bar inclined supporting structure in foundation pit
Technical Field
The utility model relates to the technical field of building construction, in particular to a profiled bar inclined supporting structure in a foundation pit.
Background
The foundation pit refers to a soil pit excavated at a designed position of a foundation according to the elevation of the foundation and the size of a plane of the foundation, and a foundation pit support is usually required to be arranged for ensuring the safety of the construction of an underground structure and the surrounding environment of the foundation pit, and is a retaining, reinforcing and protecting measure adopted for the side wall and the surrounding environment of the foundation pit.
The existing foundation pit supporting structure usually adopts a form of adding a baffle and a vertical pile, the baffle is arranged on the side wall of a foundation pit, then the vertical pile is driven, and finally a steel frame is arranged between the vertical piles in a welding mode. The foundation pit supporting structure in the prior art needs steel frame welding operation, so the supporting structure is troublesome to mount and dismount, and the retaining plate does not exert prestress, so the effect that the supporting structure resists the soil pressure is general.
For this, application number is CN 202020055372.5's patent discloses a pressure supplementing device of excavation supporting, including the supporting shoe, the stand, a pedestal, bracing piece and stopper, one side fixed connection stand that the foundation ditch was kept away from to the fender, the stand is vertical direction for cylinder structure and center pin, in the stand bottom inserts the foundation ditch bottom surface, a plurality of stoppers of fixedly connected with on the stand, the base is connected on the excavation bottom surface, base detachable connects the supporting shoe, bracing piece one end rotationally connects the supporting shoe, the stopper bottom surface is located to the other end of bracing piece and is extrudeed each other with the stopper.
This pressure supplementing device of excavation supporting makes supporting construction installation comparatively convenient and can withstand soil pressure effectively, but still has following defect: 1. the height of the baffle is fixed, and the baffle cannot be adjusted adaptively according to the depth of the foundation pit (when the height of the baffle is lower than the depth of the foundation pit, the supporting effect of the foundation pit cannot be met, and when the height of the baffle is too high compared with the depth of the foundation pit, certain influence is caused on the normal construction of the foundation pit), so that the supporting structure has poor universality; 2. the length of the supporting rod is fixed, and the distance between the limiting block and the supporting block is difficult to be the length of the supporting rod in the construction process, so that the supporting structure is not convenient to install.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides the foundation pit internal profile steel inclined supporting structure which is good in universality and convenient to disassemble and assemble.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a steel inclined supporting structure in a foundation pit comprises supporting units; the supporting unit comprises
The bottom of the baffle body is provided with an insertion rod, and the top of the baffle body is provided with an insertion hole which is matched and inserted with the insertion rod of the other baffle body;
the two axial ends of the supporting section steel are provided with a pair of section steel connecting holes;
the first mounting part comprises two connecting plates which are vertically arranged on one side of the baffle body back to the foundation pit wall; the connecting plate is provided with first connecting holes at intervals along the vertical direction, and the first connecting holes are used for being connected with the section steel connecting holes at the first axial end of the support section steel through connecting pieces;
the supporting piles are inserted at the bottom of the foundation pit, and the top surfaces of the supporting piles are exposed out of the bottom surface of the foundation pit;
the second mounting part is arranged on the top surface of the supporting pile, a pair of second connecting holes are formed in the second mounting part, and the second connecting holes are used for being connected with the section steel connecting holes at the second axial end of the supporting section steel through connecting pieces.
According to the utility model, a proper number of supporting units can be selected for assembly according to the depth of the foundation pit, so that the sum of the heights of all the baffle bodies is matched with the depth of the foundation pit, and the universality of the supporting structure is improved. In addition, the supporting unit of this application structure is effectual to the strut of foundation ditch lateral wall.
Preferably, a first limiting plate horizontally arranged is arranged at the vertical top end of the connecting plate, a second limiting plate horizontally arranged is arranged at the vertical bottom end of the connecting plate, a first assembling hole is formed in the first limiting plate, a second assembling hole is formed in the second limiting plate, and the first limiting plate of the baffle body is connected with the second limiting plate of the baffle body through an assembling part.
Preferably, the connecting piece comprises an H-shaped frame body, the H-shaped frame body is provided with a first butt joint hole connected with the section steel connecting hole through a bolt and a nut, and the H-shaped frame body is further provided with a second butt joint hole connected with the first connecting hole or the second connecting hole through a bolt and a nut.
Preferably, the end, provided with the first butt joint hole, of the H-shaped frame body is arranged in a rounded manner.
Preferably, the second mounting part comprises two first plate bodies arranged in parallel and a second plate body vertically connected with the two first plate bodies, and the first plate bodies are used for arranging the second connecting holes.
Preferably, the second mounting part further comprises a third plate body vertically connected with the first plate body and the second plate body, the third plate body is provided with a limiting connecting hole, and the support pile is provided with a limiting butt-joint hole which is connected with the limiting connecting hole through a limiting connecting piece.
Preferably, a plurality of supporting section steels are arranged between the first mounting part and the second mounting part, and two adjacent supporting section steels are connected through a second connecting part.
Preferably, the second connecting piece comprises a second H-shaped frame body, and a third butt joint hole connected with the section steel connecting hole through a bolt and a nut is formed in the second H-shaped frame body.
Preferably, the end, provided with the third butt joint hole, of the H-shaped frame body II is arranged in a rounded manner.
Preferably, the support shaped steel is square tube shape and its axial both ends all are equipped with a pair of major arc shaped plate, the major arc shaped plate is used for setting up the shaped steel connecting hole.
Advantageous effects
According to the utility model, a proper number of supporting units can be selected for assembly according to the depth of the foundation pit, the sum of the heights of all baffle bodies is matched with the depth of the foundation pit, and the supporting section steel can be spliced according to the required supporting length, so that the supporting structure has good universality; the supporting structure provided by the utility model has the advantages of stable and reliable structure, good supporting effect on the foundation pit and convenience in assembly and disassembly.
Drawings
Figure 1 is a schematic structural view of a single support unit of the utility model;
fig. 2 is a schematic structural view of two support units of the present invention;
FIG. 3 is a schematic view of the construction of the connector of the present invention;
FIG. 4 is a schematic structural view of the support section of the present invention;
FIG. 5 is a schematic structural view of a second connector of the present invention;
FIG. 6 is a schematic structural view of a support pile of the present invention;
FIG. 7 is a schematic structural view of the first mounting member of the present invention connected to the support section steel by a connecting member;
FIG. 8 is a schematic structural view of the connection of two supporting section steels by the second connecting member according to the present invention;
FIG. 9 is a schematic view showing the connection between the support section and the second mounting member by the connecting member according to the present invention;
fig. 10 is a schematic view of the second mount of the present invention.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 and 2, the steel inclined supporting structure in the foundation pit comprises a supporting unit, wherein the supporting unit comprises a baffle body 1, supporting steel 2, a first mounting part, a supporting pile 4 and a second mounting part 5.
The bottom of the baffle body 1 is provided with an inserted bar 1-1, and the top of the baffle body 1 is provided with a jack 1-2 which is matched and inserted with the inserted bar 1-1 of the other baffle body 1. The axial two ends of the supporting section steel 2 are provided with a pair of section steel connecting holes 2-1. The first mounting part comprises two connecting plates 3 which are vertically arranged on one side, back to the foundation pit wall, of the baffle body 1, the connecting plates 3 are provided with first connecting holes 3-1 at vertical intervals, and the first connecting holes 3-1 are used for being connected with the profile steel connecting holes 2-1 of the first axial end of the support profile steel 2 through connecting pieces. The support piles 4 are inserted at the bottom of the foundation pit, and the top surfaces of the support piles 4 are exposed out of the bottom surface of the foundation pit. The second mounting part 5 is arranged on the top surface of the support pile 4, the second mounting part 5 is provided with a pair of second connecting holes 5-1, and the second connecting holes 5-1 are used for being connected with the section steel connecting holes 2-1 at the axial second end of the support section steel 2 through connecting pieces.
When the depth of the foundation pit is almost equal to the sum of the heights of the two baffle bodies 1, two supporting units can be selected for assembly. The specific installation process comprises the step L1 of inserting the inserted bar 1-1 of the baffle body 1 of the first support unit into the soil at the bottom of the foundation pit and attaching the baffle body 1 to the side wall of the foundation pit, then determining the position of the first connecting hole 3-1 to be connected and the installation position of the support pile 4 according to the length and the support angle of the support section steel 2, then installing the support pile 4, and finally connecting and fixing the support section steel 2 with the first connecting hole 3-1 and the second connecting hole 5-1 of the second installation part 5 through the connecting piece; step L2, firstly, inserting the insertion rod 1-1 of the baffle body 1 of the second support unit into the insertion hole 1-2 of the baffle body 1 of the first support unit, then determining the position of the first connection hole 3-1 to be connected and the installation position of the support pile 4 according to the length and the support angle of the support section steel 2 of the second support unit, then installing the support pile 4, and finally, connecting and fixing the support section steel 2 with the first connection hole 3-1 and the second connection hole 5-1 of the second installation part 5 through the connecting piece.
According to the utility model, a proper number of supporting units can be selected for assembly according to the depth of the foundation pit, so that the sum of the heights of all the baffle bodies 1 is matched with the depth of the foundation pit, and the universality of the supporting structure is improved. In addition, the supporting unit of this application structure is effectual to the strut of foundation ditch lateral wall.
The baffle plate comprises a baffle body 1 and is characterized in that a first limiting plate 6-1 which is horizontally arranged is arranged at the vertical top end of the connecting plate 3, a second limiting plate 6-2 which is horizontally arranged is arranged at the vertical bottom end of the connecting plate 3, a first assembling hole 6-3 is formed in the first limiting plate 6-1, a second assembling hole 6-4 is formed in the second limiting plate 6-2, and the first limiting plate 6-1 of the baffle body 1 is connected with the second limiting plate 6-2 of the baffle body 1 through an assembling part.
The assembly part can make bolt and nut, and after two upper and lower baffle bodies 1 pegged graft and accomplish, can rethread bolt and nut be connected the second limiting plate 6-2 of the baffle body 1 of top and the first limiting plate 6-1 of the baffle body 1 of below fixedly for the overall structure of baffle body 1 is more reliable and more stable.
As shown in fig. 3, 7 and 9, the connecting member includes an H-shaped frame body, the H-shaped frame body is provided with a first coupling hole 7-1 coupled to the section steel coupling hole 2-1 by a bolt and a nut, and the H-shaped frame body is further provided with a second coupling hole 7-2 coupled to the first coupling hole 3-1 or the second coupling hole 5-1 by a bolt and a nut.
The connecting piece of this structure is on the one hand very good with first installed part, second installed part 5 and the connection steadiness of support shaped steel 2, and on the other hand makes the operation of connecting and dismantling of support shaped steel 2 and first installed part, second installed part 5 very convenient.
The H-shaped frame body is provided with the first butt hole 7-1, and the end is in a rounded corner arrangement, so that the support section steel 2 can be conveniently rotated and adjusted relative to the end of the connecting piece.
As shown in fig. 6, the second mounting part 5 includes two first plate bodies 5-2 arranged in parallel, and a second plate body 5-3 vertically connecting the two first plate bodies 5-2, where the first plate bodies 5-2 are used for arranging the second connecting holes 5-1. Second installed part 5 of this structure just in time is the Contraband font, can effectively be spacing with the one end of H shape support body for the connecting piece is connected more firmly with second installed part 5, thereby makes the installation that supports shaped steel 2 more firm.
As shown in fig. 10, the second mounting member 5 further includes a third plate body 5-4 vertically connected to the first plate body 5-2 and the second plate body 5-3, the third plate body 5-4 is provided with a limiting connection hole 5-5, and the support pile 4 is provided with a limiting butt-connection hole passing through a limiting connection member with the limiting connection hole 5-5.
When the supporting unit is installed, the supporting pile 4 can be fixedly connected with the bottom of the foundation pit, then the installing opening of the second installing part 5 is aligned to the baffle body 1, and then the third plate body 5-4 (namely the second installing part 5) and the supporting pile 4 are fixedly connected through the fastening screw, so that the installation convenience of the supporting pile 4 is improved.
As shown in fig. 2 and 8, a plurality of the support section steels 2 are disposed between the first mounting member and the second mounting member 5, and two adjacent support section steels 2 are connected by a second connecting member 8. Single size length of supporting shaped steel 2 is fixed in this application, as first installed part with distance between the second installed part 5 is far greater than during single length of supporting shaped steel 2, can splice many supporting shaped steel 2 through connecting piece two 8 in order to satisfy whole length demand.
The utility model only needs to manufacture the supporting section steel 2 with the same size and specification, thereby improving the convenience of the production of the parts of the supporting unit and further improving the universality of the supporting unit.
When the utility model is specifically installed, the optimal supporting angle and the optimal supporting point of the supporting section steel 2 can be determined according to the actual height of a certain baffle body 1, then, the rough positions of the first connection holes 3-1 and the installation positions of the support piles 4 are determined, and then an appropriate number of support section steels 2 are selected according to the distance between the first connection holes 3-1 and the support piles 4 and all the support section steels 2 are connected by the second connecting member 8, and then adjusting the installation position of the support pile 4 again so that the support section steel 2 can be just connected with the first installation part and the second installation part 5, and finally installing the support pile 4 and the connection support section steel 2 (even if the distance between the first connection hole 3-1 and the second connection hole 5-1 is slightly different from the whole length of the support section steel 2 when the support section steel 2 is finally connected, the support section steel 2 can be effectively connected by adjusting the connection angle between the support section steel 2 and the second connection part 8). The supporting unit can be installed at one time, and the installation convenience of the supporting structure is greatly improved.
As shown in fig. 5, the second connecting member 8 includes a second H-shaped frame body, and the second H-shaped frame body is provided with a third butt joint hole 8-1 connected with the section steel connecting hole 2-1 through a bolt and a nut. The second connecting piece 8 of the structure has good connection stability with the supporting section steel 2 on one hand, and the operation of connecting and detaching the supporting section steel 2 on the other hand is very convenient.
The H-shaped frame body II is provided with the third butt joint hole 8-1 end which is in a fillet shape, so that the support section steel 2 can be conveniently rotated and adjusted relative to the corresponding end of the connecting piece II 8.
As shown in FIG. 4, the supporting section steel 2 is in a square tube shape, and a pair of U-shaped plates are arranged at two axial ends of the supporting section steel 2 and used for arranging the section steel connecting holes 2-1. The supporting section steel 2 with the structure has light weight, firm and reliable structure and simple and convenient operation of connection and disassembly with the connecting piece and the connecting piece II 8.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims (10)

1. Interior shaped steel bearing diagonal structure of foundation ditch, its characterized in that: comprises a supporting unit; the supporting unit comprises
The baffle plate comprises a baffle plate body (1), wherein the bottom of the baffle plate body is provided with an inserted rod (1-1), and the top of the baffle plate body is provided with an inserted hole (1-2) which is matched and inserted with the inserted rod (1-1) of the other baffle plate body (1);
the two axial ends of the supporting section steel (2) are provided with a pair of section steel connecting holes (2-1);
the first mounting piece comprises two connecting plates (3) which are vertically arranged on one side of the baffle body (1) back to the foundation pit wall; the connecting plate (3) is provided with first connecting holes (3-1) at intervals along the vertical direction, and the first connecting holes (3-1) are used for being connected with the section steel connecting holes (2-1) at the first axial end of the supporting section steel (2) through connecting pieces;
the supporting piles (4) are inserted at the bottom of the foundation pit, and the top surfaces of the supporting piles (4) are exposed out of the bottom surface of the foundation pit;
the second mounting part (5) is arranged on the top surface of the support pile (4), a pair of second connecting holes (5-1) are formed in the second mounting part (5), and the second connecting holes (5-1) are used for being connected with the section steel connecting holes (2-1) at the second axial end of the support section steel (2) through connecting pieces.
2. The foundation pit internal steel inclined supporting structure according to claim 1, characterized in that: the vertical top of connecting plate (3) is equipped with first limiting plate (6-1) that the level set up, the vertical bottom of connecting plate (3) is equipped with second limiting plate (6-2) that the level set up, first limiting plate (6-1) are opened there are first pilot hole (6-3), second limiting plate (6-2) are opened there are second pilot hole (6-4), one first limiting plate (6-1) and another of baffle body (1) second limiting plate (6-2) of baffle body (1) are connected through the assembly part.
3. The foundation pit internal steel inclined supporting structure according to claim 1, characterized in that: the connecting piece comprises an H-shaped frame body, a first butt hole (7-1) connected with the section steel connecting hole (2-1) through a bolt and a nut is formed in the H-shaped frame body, and a second butt hole (7-2) connected with the first connecting hole (3-1) or the second connecting hole (5-1) through a bolt and a nut is further formed in the H-shaped frame body.
4. The foundation pit internal steel inclined supporting structure according to claim 3, characterized in that: the end of the H-shaped frame body, which is provided with the first butt joint hole (7-1), is in a rounded angle arrangement.
5. The foundation pit internal steel inclined supporting structure according to claim 3, characterized in that: the second mounting part (5) comprises two first plate bodies (5-2) arranged in parallel and a second plate body (5-3) vertically connected with the two first plate bodies (5-2), and the first plate bodies (5-2) are used for being provided with second connecting holes (5-1).
6. The foundation pit internal steel inclined supporting structure according to claim 5, characterized in that: the second mounting part (5) further comprises a third plate body (5-4) vertically connected with the first plate body (5-2) and the second plate body (5-3), a limiting connecting hole (5-5) is formed in the third plate body (5-4), and a limiting butt-joint hole which is connected with the limiting connecting hole (5-5) through a limiting connecting piece is formed in the supporting pile (4).
7. The foundation pit internal steel inclined supporting structure according to claim 1, characterized in that: first installed part with be equipped with many between second installed part (5) support shaped steel (2), adjacent two support shaped steel (2) between connect through connecting piece two (8).
8. The foundation pit internal steel inclined supporting structure according to claim 7, characterized in that: the second connecting piece (8) comprises a second H-shaped frame body, and a third butt joint hole (8-1) connected with the section steel connecting hole (2-1) through a bolt and a nut is formed in the second H-shaped frame body.
9. The foundation pit internal steel inclined supporting structure according to claim 8, characterized in that: the end of the third butt joint hole (8-1) of the H-shaped frame body II is arranged in a fillet mode.
10. The foundation pit internal steel inclined supporting structure according to claim 1, characterized in that: the supporting section steel (2) is in a square tube shape, a pair of U-shaped plates are arranged at two axial ends of the supporting section steel, and the U-shaped plates are used for arranging the section steel connecting holes (2-1).
CN202121129278.0U 2021-05-25 2021-05-25 Profiled bar inclined supporting structure in foundation pit Active CN215441924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121129278.0U CN215441924U (en) 2021-05-25 2021-05-25 Profiled bar inclined supporting structure in foundation pit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121129278.0U CN215441924U (en) 2021-05-25 2021-05-25 Profiled bar inclined supporting structure in foundation pit

Publications (1)

Publication Number Publication Date
CN215441924U true CN215441924U (en) 2022-01-07

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Application Number Title Priority Date Filing Date
CN202121129278.0U Active CN215441924U (en) 2021-05-25 2021-05-25 Profiled bar inclined supporting structure in foundation pit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115627767A (en) * 2022-09-21 2023-01-20 山东大学 Recyclable foundation pit inclined supporting structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115627767A (en) * 2022-09-21 2023-01-20 山东大学 Recyclable foundation pit inclined supporting structure and construction method

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