CN210194642U

CN210194642U - Combined steel lattice type throwing support and horizontal support structure

Info

Publication number: CN210194642U
Application number: CN201920839375.5U
Authority: CN
Inventors: Xiaoyong Bie; 别小勇; Yaxin Chen; 陈亚新
Original assignee: WUXI BUILDING DESIGN INST CO Ltd
Current assignee: WUXI BUILDING DESIGN INST CO Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-03-27
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to a deep basal pit supporting's technical field discloses a combination steel lattice formula is thrown and is propped and horizontal bearing structure, and its technical scheme main points are including a plurality of roots support billet, and a plurality of roots support billet are regular polygon with the line between the terminal surface of one end, and a plurality of roots support billet are parallel to each other on length direction, have the interval between two adjacent support billets, and two adjacent lateral walls that support the billet have a plurality of connection lacing plates of welding between, and a plurality of connection lacing plates distribute along the length direction who supports the billet. The utility model discloses when the structure, have the clearance between the support billet, when the vertical transverse reinforcement of structure wall body, the reinforcing bar can pass the clearance between the support billet to the possibility that the reinforcing bar interfered the steel and thrown to prop and the horizontal brace has been reduced.

Description

Combined steel lattice type throwing support and horizontal support structure

Technical Field

The utility model relates to a deep basal pit supporting's technical field, in particular to combination steel lattice formula is thrown and is propped and horizontal bearing structure.

Background

The development of large underground space enables the supporting technology of the deep foundation pit to be developed vigorously, and the supporting structures of the deep foundation pit such as cast-in-place pile supporting, underground continuous walls, inner supports, inclined supports and the like appear in succession. In deep foundation pit supporting structures, horizontal supports and cast supports are generally arranged, so that the stability of the supporting structure is ensured. The horizontal support refers to a plane parallel to the ground, and the throwing support refers to an inclined rod which is obliquely supported on the ground outside the supporting structure. In the prior art, the horizontal support and the throwing support are both made of large-diameter steel pipes or large-section H-shaped steel.

When the wall body is constructed in the deep foundation pit, longitudinal and transverse reinforcing steel bars need to be penetrated in advance to ensure the strength of the wall body. When the reinforcing steel bars are arranged in a penetrating mode, the surfaces of the horizontal support and the throwing support are solid planes, and when the reinforcing steel bars touch the horizontal support and the throwing support, the reinforcing steel bars cannot penetrate through the horizontal support and the throwing support, so that the excessive reinforcing steel bars need to be cut off. In order to ensure the strength of the wall body, after the throwing support and the horizontal support are removed, the cut parts need to be welded and completed, and then the wall body is poured.

The throwing support and the horizontal support are likely to interfere with the penetration of reinforcing steel bars in the using process, and the workload and the construction difficulty are increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a combination steel lattice formula is thrown and is propped and horizontal support structure has when wearing to establish the vertical and horizontal reinforcing bar of wall body, reduces the reinforcing bar and interferes the steel and throw the advantage of propping and the possibility of horizontal support.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a combination steel lattice formula is thrown and is propped and horizontal bearing structure, includes a plurality of roots and supports the billet, a plurality of roots support the billet and be regular polygon with the line between the terminal surface, and a plurality of roots support the billet and be parallel to each other on length direction, have the interval between two adjacent support billets, and the welding has a plurality of connection batten plates between two adjacent lateral walls that support the billet, and a plurality of connection batten plates distribute along the length direction who supports the billet.

Through adopting the technical scheme, the utility model discloses when the structure, have the clearance between the support billet, when the vertical transverse reinforcement of structure wall body, the reinforcing bar can pass the clearance between the support billet to the possibility that the reinforcing bar interfered the steel and thrown to prop and the horizontal brace has been reduced.

Furthermore, it has the tensioning hole to link up on the connection lacing plate, the support billet of both sides is extended to at the both ends of tensioning hole length direction, the both ends of tensioning hole length direction are equipped with the supporting seat respectively, supporting seat fixed connection is in supporting the billet, and the straining rod is worn to be equipped with in sliding between the supporting seat of both sides, the both ends of straining rod are passed the supporting seat and are twisted respectively and have the external screw thread section, threaded connection has tensioning nut on the external screw thread section.

Through adopting above-mentioned technical scheme, the external screw thread section that taut nut passes through on the straining rod can support tightly on the supporting seat, and the supporting seat of contradicting jointly of the taut nut of both sides can be strained adjacent support billet, cooperates jointly with the connection batten plate, has improved the utility model discloses a structural stability.

Furthermore, a top supporting pressure spring is sleeved on the tensioning rod and is pressed between the supporting seats on the two sides.

Through adopting above-mentioned technical scheme, the jacking pressure spring can offset partly come from the extrusion force of the taut nut in both sides to the possibility that the supporting seat produced the deformation has been reduced.

Furthermore, a plurality of connecting batten plates are uniformly distributed along the length direction of the supporting steel bar at equal intervals, and the extension lines of the connecting batten plates on the two adjacent side surfaces are intersected.

Through adopting above-mentioned technical scheme, reduced the area that connects the batten plate and occupy, increased the area that leaks in clearance between the support billet to the clearance area that can supply the reinforcing bar to pass has further been improved.

Furthermore, reinforcing rib plates are arranged between the connecting batten plates and fixedly connected to the upper surfaces of the supporting steel bars.

Through adopting above-mentioned technical scheme, deep floor has improved the bending resistance who supports the billet, has strengthened the utility model discloses intensity in the course of the work.

Furthermore, a plurality of set squares are fixedly connected to two side faces of the reinforcing rib plate in the length direction respectively, the set squares are sequentially arranged along the length direction of the reinforcing rib plate, and the bottom faces of the set squares are fixedly connected to the supporting steel bars.

By adopting the technical scheme, the strength of the reinforcing rib plate is improved by the triangular plate, so that the bending strength of the supporting ribs is indirectly improved.

Furthermore, the support steel bars are angle steels.

By adopting the technical scheme, the angle steel has good bending resistance and can bear more external force in the working process.

Furthermore, four support steel bars are arranged.

By adopting the technical scheme, the gaps between the four supporting steel bars are mutually vertical, and the longitudinal and transverse steel bars can just pass through the gaps, so that the effect required by work is achieved under the condition of minimum material consumption, and the steel bar support has the advantage of saving construction cost.

To sum up, the utility model discloses following beneficial effect has: when the structure is carried out, gaps are formed among the supporting steel bars, and when longitudinal and transverse steel bars of the wall body are constructed, the steel bars can pass through the gaps among the supporting steel bars, so that the possibility that the steel bars interfere with steel throwing and horizontal supporting is reduced.

Drawings

Fig. 1 is a schematic structural diagram for embodying the present invention.

In the figure, 1, supporting steel bars; 2. connecting the batten plate; 21. tightening the hole; 3. reinforcing rib plates; 31. a set square; 4. a supporting seat; 5. a tension bar; 51. an external threaded section; 52. tightening the nut; 6. and (5) supporting the pressure spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a combined steel lattice type throwing support and horizontal support structure, referring to fig. 1, comprises a plurality of support steel bars 1, wherein the support steel bars 1 are angle steels. The connecting line between the same end faces of the plurality of supporting steel bars 1 is a regular polygon, and the plurality of supporting steel bars 1 are parallel to each other in the length direction.

Referring to fig. 1, in this embodiment, the supporting steel bars 1 are provided with four, and the connecting line between the same end face of the four supporting steel bars 1 is square. Have the interval between two adjacent support billet 1, the welding has a plurality of connection batten plates 2 between two adjacent lateral walls that support billet 1, and a plurality of connection batten plates 2 distribute along the length direction who supports billet 1.

Referring to fig. 1, adopt four support billet 1 according to the certain interval welded connection batten plate 2 after, form rectangle combination lattice formula steel construction, owing to have great space between the support billet 1, consequently wear to establish on the wall outside indulge horizontal reinforcing bar and can pass the space between the support billet 1 to this has reached the effect of convenient construction.

Referring to fig. 1, a plurality of connection batten plates 2 are uniformly distributed along the length direction of a support steel bar 1 at equal intervals, and the extension lines of the connection batten plates 2 of adjacent two side surfaces intersect. Compare in connecting the crisscross setting of batten plate 2 on supporting billet 1, such setting can reduce the area that connects batten plate 2 to it is bigger to make and to support the void area that can supply to indulge horizontal reinforcing bar to wear to establish in billet 1.

Referring to fig. 1, rib plates 3 are provided between the linking gusset plates 2, and the rib plates 3 are welded to the upper surface of the support steel bar 1 along the length direction of the support steel bar 1. The reinforcing plate 3 improves the bending resistance of the support steel bar 1 in the length direction, and increases the strength of the support steel bar 1.

Referring to fig. 1, a plurality of triangular plates 31 are fixedly connected to both side surfaces of a reinforcing plate 3 in the longitudinal direction, the plurality of triangular plates 31 are sequentially arranged along the longitudinal direction of the reinforcing plate 3, and the bottom surfaces of the triangular plates 31 are fixedly connected to support steel bars 1. The triangular plate 31 can reinforce the reinforcing bar, thereby further improving the bending resistance of the support steel bar 1.

Referring to fig. 1, a tension hole 21 is formed through a connection gusset plate 2, and both ends of the tension hole 21 in the longitudinal direction extend to support steel bars 1 on both sides. The supporting seats 4 are respectively arranged at the two ends of the length direction of the tensioning hole 21, and the supporting seats 4 are welded on the supporting steel bars 1. A tension rod 5 is slidably arranged between the supporting seats 4 at two sides, two ends of the tension rod 5 penetrate through the supporting seats 4 and are respectively twisted with an external thread section 51, and a tension nut 52 is connected to the external thread section 51 in a threaded manner.

Referring to fig. 1, the tightening nut 52 can tighten two adjacent support steel bars 1, and fit to the connecting gusset plate 2, so as to further improve the structural stability of the present invention.

Referring to fig. 1, when the support steel bar 1 is tensioned by the tensioning nuts 52 on both sides, the supporting bases 4 receive the pressing force from the tensioning nuts 52, and therefore, in order to reduce the possibility of deformation of the supporting bases 4, the tension rod 5 is sleeved with the top-supporting compression spring 6, and the top-supporting compression spring 6 is compressed between the supporting bases 4 on both sides.

The specific implementation process comprises the following steps: utilize a plurality of the utility model discloses what build deep basal pit and strut and level and prop the support system, indulge the in-process of establishing of horizontal reinforcing bar to the wall body, the reinforcing bar can pass the clearance between the support billet 1 to reduced the reinforcing bar and contradicted the steel and thrown and prop or level and support, produced the possibility of interference phenomenon, had the advantage that improves the efficiency of construction.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a prop and horizontal bearing structure are thrown to combination steel lattice formula which characterized in that: including a plurality of roots support billet (1), a plurality of roots support billet (1) are regular polygon with the line between the terminal surface, and a plurality of roots support billet (1) are parallel to each other on length direction, have the interval between two adjacent support billet (1), and the welding has a plurality of connection batten plates (2) between two adjacent lateral walls that support billet (1), and a plurality of connection batten plates (2) distribute along the length direction who supports billet (1).

2. The combined steel lattice type throwing support and horizontal support structure according to claim 1, wherein: connect to link up on lacing plate (2) and have tensioning hole (21), tensioning hole (21) length direction's both ends extend to the support billet (1) of both sides, tensioning hole (21) length direction's both ends are equipped with supporting seat (4) respectively, supporting seat (4) fixed connection is in supporting billet (1), slides between supporting seat (4) of both sides and wears to be equipped with straining rod (5), the both ends of straining rod (5) are passed supporting seat (4) and are twisted respectively and are equipped with external screw thread section (51), threaded connection has tensioning nut (52) on external screw thread section (51).

3. The combined steel lattice type throwing support and horizontal support structure according to claim 2, wherein: the tensioning rod (5) is sleeved with a top supporting pressure spring (6), and the top supporting pressure spring (6) is compressed between the supporting seats (4) on the two sides.

4. The combined steel lattice type throwing support and horizontal support structure according to claim 1, wherein: a plurality of connection batten plates (2) are evenly distributed along the length direction of the support steel bar (1) at equal intervals, and the extension lines of the connection batten plates (2) on the two adjacent side surfaces are intersected.

5. The combined steel lattice type throwing support and horizontal support structure according to claim 1, wherein: and reinforcing rib plates (3) are arranged between the connecting batten plates (2), and the reinforcing rib plates (3) are fixedly connected to the upper surfaces of the supporting steel bars (1).

6. The combined steel lattice type throwing support and horizontal support structure according to claim 5, wherein: two side faces of the length direction of the reinforcing rib plate (3) are respectively and fixedly connected with a plurality of triangular plates (31), the triangular plates (31) are sequentially arranged along the length direction of the reinforcing rib plate (3), and the bottom faces of the triangular plates (31) are fixedly connected to the supporting steel bars (1).

7. The combined steel lattice type throwing support and horizontal support structure according to claim 1, wherein: the support steel bars (1) are angle steels.

8. The combined steel lattice type throwing support and horizontal support structure according to claim 1, wherein: the number of the supporting steel bars (1) is four.