CN115233693A - Steel support connecting system - Google Patents
Steel support connecting system Download PDFInfo
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- CN115233693A CN115233693A CN202210968290.3A CN202210968290A CN115233693A CN 115233693 A CN115233693 A CN 115233693A CN 202210968290 A CN202210968290 A CN 202210968290A CN 115233693 A CN115233693 A CN 115233693A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 231
- 239000010959 steel Substances 0.000 title claims abstract description 231
- 230000008093 supporting effect Effects 0.000 claims abstract description 82
- 239000011378 shotcrete Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The application provides a steel shotcrete connected system, steel shotcrete connected system includes: the steel support beams are arranged at intervals and comprise upper flange plates, lower flange plates and webs connected between the upper flange plates and the lower flange plates; the connecting section steel is arranged between two adjacent section steel supporting beams and comprises an upper flange plate, a lower flange plate and a web plate connected between the upper flange plate and the lower flange plate; and the connecting plate is connected with the flange plate of the section steel supporting beam and the flange plate of the connecting section steel. The application provides a building foundation pit braced system is used for building foundation pit enclosure, can bear bigger pressure, has more stable bearing structure simultaneously, is difficult for taking place deformation.
Description
Technical Field
The application relates to the field of building foundation pit support, in particular to a steel support connecting system.
Background
In order to ensure the safety of the underground structure and the surrounding environment of the foundation pit, protective measures such as supporting and reinforcing are required to be adopted on the side wall and the periphery of the foundation pit. The existing foundation pit supporting system generally comprises a foundation pit fender post arranged around the edge of a foundation pit, a surrounding purlin beam arranged on the inner side of the foundation pit fender post and an inner foundation pit support arranged between the surrounding purlin beams. Among the prior art, in order to increase the stability that a plurality of shaped steel supported, have and set up apron or channel-section steel in order to link together many shaped steel supports the scheme, apron or channel-section steel support with many shaped steel through high strength bolt and link to each other. However, in this prior art, the cover plate or the channel steel is plate-shaped as a whole and has a limited bearing capacity; and once bending deformation occurs between the adjacent section steel supports in the horizontal direction, the formed shearing force is concentrated on the bolt, and the reliability of the connection is adversely affected. Therefore, the prior art has certain defects in the aspects of bearing capacity and stability.
Disclosure of Invention
In view of this, the application provides a steel shotcrete connected system, can bear bigger pressure, has more stable bearing structure simultaneously, is difficult for taking place deformation.
Specifically, the method is realized through the following technical scheme:
a steel support connecting system comprises a plurality of steel support beams, wherein the steel support beams are arranged at intervals and comprise upper and lower flange plates and a web plate connected between the upper and lower flange plates;
the connecting section steel is arranged between two adjacent section steel supporting beams and comprises an upper flange plate, a lower flange plate and a web plate connected between the upper flange plate and the lower flange plate;
and the connecting plate is connected with the flange plate of the section steel supporting beam and the flange plate of the connecting section steel.
In this scheme, two adjacent shaped steel supporting beam have set up connection shaped steel, and the rethread connecting plate makes to have the relation of connection between the three for originally, the pressure that bears by single limb shaped steel supporting beam is shared, and then can bear bigger pressure, has more stable bearing structure simultaneously, is difficult for taking place deformation.
Preferably, the upper and lower flange plates of the section steel support beam, the upper and lower flange plates of the connecting section steel and the connecting plate are all provided with connecting holes,
the flange plates of the section steel supporting beam and the connecting section steel positioned on the same side are positioned in the same horizontal plane, and the connecting plate is placed on one side, away from the web plate, of the flange plate of the section steel supporting beam and the flange plate of the connecting section steel;
the section steel supporting beam and the connecting plate are fixed by penetrating through the flange plate of the section steel supporting beam and the superposed connecting hole on the connecting plate in the vertical direction through bolts; the connecting section steel and the connecting plate are fixed through bolts penetrating through the flange plate of the connecting section steel and the coincident connecting holes in the connecting plate in the vertical direction.
Consider that a shaped steel supporting beam and connection shaped steel all include about the flange board and the both about between the flange board the distance equal, when founding steel support connected system, a shaped steel supporting beam and connection shaped steel can be in same horizontal plane, then set up the connecting hole on the flange board of a shaped steel supporting beam and connection shaped steel and the connecting plate, can wear to establish the mode in the connecting hole of coincidence through the bolt promptly and accomplish fixing between each part, the constructor of being convenient for operates, this steel support connected system's the equipment degree of difficulty has been reduced.
Preferably, the connecting section steel further comprises a section steel end cover plate and a section steel rib plate;
the section steel end cover plate is connected to the end surfaces of the upper and lower flange plates and the web plate of the connecting section steel;
the section steel rib plates are connected to the section steel end cover plates and the web plates of the connecting section steel.
The end surfaces of the upper flange plate, the lower flange plate and the web plate are provided with the section steel end cover plates, so that the connection section steel has stronger connection relation among all parts, is not easy to deform, has a more stable structure and can bear pressure to a greater extent; the steel section rib plates connected to the steel section end cover plates and the web plates can further stabilize the structure of the connecting steel section, and further can provide supporting force to a greater degree.
Preferably, the steel support connecting system further comprises a plurality of inclined strut connecting pieces, the inclined strut connecting pieces are arranged between the steel support beam and the inclined strut beam, and each inclined strut connecting piece comprises two parallel inclined strut connecting plates.
The inclined strut connecting piece is arranged in the steel support connecting system, so that the section steel supporting beam can be connected with the inclined strut beam, and the application range of the steel support connecting system is widened; in addition, the diagonal brace can be additionally arranged to increase the support strength while the diagonal brace is arranged.
Preferably, the central axis of the diagonal brace connecting piece, the central axis of the connecting section steel and the central axis of the section steel supporting beam are intersected at one point, and the point is positioned on the central axis of the section steel supporting beam.
The central axes of the three parts can be converged at one point on the central axis of the section steel supporting beam, so that the condition that the section steel supporting beam is deformed or even overturned due to unbalanced stress can be avoided.
Preferably, the two parallel inclined strut connecting plates are both provided with connecting holes,
the inclined strut connecting piece is placed in a groove formed by the upper flange plate and the lower flange plate of the section steel supporting beam and the web plate of the section steel supporting beam, and the inclined strut connecting piece and the section steel supporting beam are fixed by penetrating through a connecting hole overlapped between the inclined strut connecting piece and the section steel supporting beam in the vertical direction through a bolt.
Offer the connecting hole on the bracing connecting plate, place the bracing connecting piece in a shaped steel supporting beam inside back, constructor can wear to establish the connecting hole of bracing connecting plate and flange board coincidence and with bracing connecting piece and a shaped steel supporting beam fixed connection, easy and simple to handle and can dismantle with the bolt.
Preferably, one side of the inclined strut connecting piece inserted into the section steel supporting beam is provided with an end cover plate connected with the end faces of the two inclined strut connecting plates.
The end cover plate is connected with the end face of the inclined strut connecting plate, so that a tighter connection relation is formed between the two inclined strut connecting plates, a more stable structure is further provided, the end cover plate is not prone to deformation, the end cover plate can be better abutted to a web plate of the section steel supporting beam, and a better supporting effect can be achieved.
Preferably, a reinforcing plate which is connected with the end cover plate and is parallel to the two inclined strut connecting plates is further arranged inside the inclined strut connecting piece. The reinforcing plate may further stabilize the structure of the sprag connector.
Preferably, the inclined strut comprises an upper flange plate, a lower flange plate and a web plate connected between the upper flange plate and the lower flange plate, the end parts of the inclined strut are respectively provided with an end cover plate connected with the end surfaces of the upper flange plate and the lower flange plate,
one side of the inclined strut connecting piece used for being connected with the inclined strut is provided with an end cover plate connected with the end surfaces of the two inclined strut connecting plates,
connecting holes are formed in the end cover plates of the inclined strut and the inclined strut connecting piece, and the inclined strut and the end cover plate are fixed through bolts penetrating through the connecting holes in the horizontal direction after being aligned.
The end cover plates are arranged at the end parts of the inclined struts and the end parts of the inclined strut connecting pieces, which are used for being connected with the inclined struts, and the connecting holes are formed in the end cover plates, so that the fixed connection between the inclined strut connecting pieces and the inclined struts can be conveniently completed by construction personnel, and the installation process is simpler and more convenient.
Preferably, the length of the diagonal bracing connecting piece is greater than the width of the connecting section steel.
It is visible by the above technical scheme that this application provided, in this application, the connection shaped steel setting is between two adjacent shaped steel supporting beam, and the rethread connecting plate makes the relation of connection have between the three for originally, the pressure born by single limb shaped steel supporting beam is shared, and then can bear bigger pressure, has more stable bearing structure simultaneously, is difficult for taking place deformation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic plan view of a steel support connection system according to an exemplary embodiment of the present application.
Fig. 2 isbase:Sub>A cross-sectional view taken along the planebase:Sub>A-base:Sub>A in fig. 1.
FIG. 3 is a schematic plan view of another steel support connection system according to an exemplary embodiment of the present application.
Fig. 4 is a sectional view taken along the plane B-B in fig. 3.
In the figure: 1-a steel support beam; 11-supporting the upper flange plate of the beam; 12-supporting the beam lower flange plate; 13-supporting the beam web; 14-connecting holes for supporting beams; 2-connecting the section steel; 21-connecting the steel upper flange plate; 22-connecting type steel lower flange plate; 23-connecting the steel web; 24-connecting the section steel connecting holes; 25-connecting the section steel end cover plate; 26-connecting the steel rib plates; 3-connecting the plates; 31-connecting plate connection holes; 4-a diagonal bracing link; 41-inclined strut connecting plates; 42-bracing attachment holes; 43-first diagonal brace connecting piece end cover plate; 44-a reinforcing plate; 45-a second diagonal brace connector end cover plate; 451-bracing link end cover plate attachment holes; 5-diagonal bracing beams; 51-diagonal bracing end cover plates; 511-bracing end cover plate connecting holes.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if," as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination," depending on the context.
In the related art, a plurality of section steel supports are often arranged inside a foundation pit between two opposite side enclosing purlins or two adjacent side enclosing purlins to support the foundation pit, but the section steel supports are often mutually independent, bear the soil pressure of the foundation pit independently and have certain defects in the aspects of bearing capacity and stability.
Therefore, the steel support connecting system is used for building foundation pit enclosure and comprises a plurality of steel support beams, wherein the steel support beams are arranged at intervals and comprise upper flange plates, lower flange plates and web plates connected between the upper flange plates and the lower flange plates; the connecting section steel is arranged between two adjacent section steel supporting beams and comprises an upper flange plate, a lower flange plate and a web plate connected between the upper flange plate and the lower flange plate; and the connecting plate is connected with the flange plate of the profile steel supporting beam and the flange plate of the connecting profile steel.
Through the steel shotcrete connected system that this application provided, each single limb shaped steel supporting beam that sets up inside the foundation ditch becomes by the independent existence originally and has the relation of connection between the two adjacent single limb shaped steel supporting beam, can undertake pressure jointly as a whole, and then can bear bigger pressure, in addition, set up connection shaped steel between the two adjacent single limb shaped steel, make this steel shotcrete connected system have more stable bearing structure, be difficult for taking place deformation, can prolong the life of each part.
In addition, the steel shotcrete connected system that this application provided adopts the mode of dismantling the connection, and each part can used repeatedly, green to if some emergency has appeared, can also revise and adjust each part in the installation, with more adaptation actual demand.
The steel support connection system provided by the present application is further described below with reference to the following examples. Features in the embodiments described below may be combined with each other without conflict.
The first embodiment is as follows:
as shown in fig. 1 and 2, a steel support connecting system comprises two steel support beams 1 arranged at intervals, wherein each steel support beam 1 comprises an upper support beam flange plate 11, a lower support beam flange plate 12 and a support beam web plate 13 connected between the upper and lower support beam flange plates;
the connecting section steel 2 is arranged between the two adjacent section steel supporting beams 1, and the connecting section steel 2 comprises a connecting section steel upper flange plate 21, a connecting section steel lower flange plate 22 and a connecting section steel web plate 23 connected between the upper flange plate and the lower flange plate;
four connecting plates 3 are connected with the flange plate of the section steel supporting beam 1 and the flange plate of the connecting section steel 2, wherein two connecting plates 3 are connected with the same section steel supporting beam 1 and are respectively and relatively connected to the two flange plates of the section steel supporting beam 1, the other two connecting plates 3 are connected with the other section steel supporting beam 1 and are respectively and relatively connected to the two flange plates of the section steel supporting beam 1, the two connecting plates 3 connected to the upper flange plate 11 of the two section steel supporting beam 1 are connected with the upper flange plate 21 of the connecting section steel 2, and the two connecting plates 2 connected to the lower flange plate 12 of the two section steel supporting beam 1 are connected with the lower flange plate 22 of the connecting section steel 2.
More specifically, as shown in fig. 1, in the present embodiment, in order to enlarge the constructable space as much as possible and to reduce the weight of the system, the shape of the connecting plate 3 is set to a combination of a trapezoid and a rectangle, the length of the short side of the rectangular portion is approximately (equal to or slightly less than) half of the length of the short side of the flange plate of the section steel support beam 1, and the length of the long side thereof is greater than the length of the short side of the flange plate of the connecting section steel 2; the length of the short bottom of the trapezoidal part is less than that of the short side of the flange plate of the connecting section steel 2, and the length of the long bottom of the trapezoidal part is equal to that of the long side of the rectangular part and is greater than that of the short side of the flange plate of the connecting section steel 2; the rectangular part of the connecting plate 3 is connected with the section steel supporting beam 1, the trapezoidal part is connected with the connecting section steel 2, and a space exists between the two opposite connecting plates 3 which are respectively connected to the flange plates on the same side of the two adjacent section steel supporting beams 1.
However, in other embodiments, the shape of the connecting plate 3 may be set to be a combination of a triangle, a rectangle, a trapezoid or other shapes in consideration of enlarging a construction space or reducing the weight of the support system in the foundation pit, or the same connecting plate 3 may be used to connect two adjacent steel support beams 1, or may be connected to only two support beam upper flange plates 11 and two connection steel upper flange plates 21, or only two support beam lower flange plates 12 and two connection steel lower flange plates 22, or one connecting plate 3 may be connected to one support beam upper flange plate 11 and one connection steel upper flange plate 21, and the other connecting plate 3 may be connected to the other support beam lower flange plate 12 and the connection steel lower flange plate 22, which is not limited in the present application.
It should be noted that fig. 1 and fig. 2 are only an exemplary embodiment, and the specification and number of the steel support beams and the distance between two adjacent steel support beams in the steel support connection system provided by the present application may be adjusted according to the actual foundation pit condition, which is not limited by the present application.
As shown in fig. 1 and 2, a support beam connecting hole 14 is formed on a support beam upper flange plate 11 and a support beam lower flange plate 12 of a section steel support beam 1, a connecting section steel connecting hole 24 is formed on a connecting section steel upper flange plate 21 and a connecting section steel lower flange plate 22 of a connecting section steel 2, a connecting plate connecting hole 31 is formed on a connecting plate 3,
the two connecting plates 3 are respectively and oppositely arranged above the upper flange plate 11 and the upper flange plate 21 of the supporting beam of one section steel supporting beam 1 and below the lower flange plate 12 and the lower flange plate 22 of the supporting beam of the section steel supporting beam 1, the other two connecting plates 3 are respectively and symmetrically arranged above the upper flange plate 11 and the upper flange plate 21 of the supporting beam of the other section steel supporting beam 1 and below the lower flange plate 12 and the lower flange plate 22 of the supporting beam of the section steel supporting beam 1, namely, the two connecting plates 3 connected with the same section steel supporting beam 1 are opposite in position, the two connecting plates 3 connected with the same side flange plates of different section steel supporting beams 1 are symmetrically positioned,
the section steel supporting beam 1 and the connecting plate 3 are fixed by bolts passing through connecting holes 14 formed in the flange plates of the section steel supporting beam 1 and connecting holes 31 formed in the connecting plate 3, which are overlapped in position, in the vertical direction; the connecting section steel 2 and the connecting plate 1 are fixed by bolts passing through connecting holes 24 formed in the flange plates of the connecting section steel 2 and connecting plate connecting holes 31 formed in the connecting plate 3, which are overlapped in position, in the vertical direction.
As shown in fig. 2, the connecting section steel 2 further comprises a connecting section steel end cover plate 25 and a connecting section steel rib plate 26; the connecting section steel end cover plate 25 is connected to the end surfaces of the connecting section steel upper flange plate 21, the connecting section steel lower flange plate 22 and the connecting section steel web plate 23 of the connecting section steel 2; the connecting section steel rib plate 26 is connected to the connecting section steel end cover plate 25 and the connecting section steel web plate 23 to strengthen the connection relationship between each part of the connecting section steel 2, so that the connecting section steel 2 has a more stable structure and can provide a larger supporting force.
The second embodiment is as follows: referring to fig. 3 and 4, another steel support connection system is provided. The steel support connection system is mainly characterized by further comprising a plurality of inclined support connection pieces compared with the first embodiment. Please refer to the first embodiment for the rest of the structure of the present embodiment. In actual construction, the foundation pit may have an irregular shape, and under such a condition, the straight brace often cannot meet the requirement, and the inclined brace with an angle needs to be arranged to support the foundation pit. In this embodiment, the inclined strut connecting piece is arranged, so that the connection relationship between the section steel supporting beam and the inclined strut beam can be realized, and further, the inclined strut can be formed by the section steel supporting beam and the inclined strut beam.
As shown in fig. 3 and 4, a sprag connection 4 is provided between the section steel support beam 1 and the sprag beam 5, and includes two parallel sprag connection plates 41.
More specifically, as shown in fig. 3, in the present embodiment, the brace connecting plate 41 is shaped as a combination of a right trapezoid and a triangle, the length of the base of the right trapezoid portion at one end close to the brace beam 5 is greater than the length of the other base, and the length of the longest side of the triangle portion is equal to the length of the oblique waist of the right trapezoid. In other embodiments, the lengths of the sides of the brace connecting plate 41 and the relationship therebetween may be determined according to the actual required angle, which is not limited in this application.
As shown in fig. 3, the central axis of the diagonal brace connecting piece 4, the central axis of the connecting section steel 2 and the central axis of the section steel supporting beam 1 intersect at a point, and the point is located on the central axis of the section steel supporting beam. So as to avoid the condition that the structural steel supporting beam 1 is deformed or even overturned due to unbalanced stress.
As shown in fig. 3 and 4, the two parallel brace connecting plates 41 are both provided with brace connecting holes 42, the brace connecting pieces 4 are placed in grooves formed by the upper and lower flange plates and the web plates of the section steel supporting beam 1, and the brace connecting pieces 4 and the section steel supporting beam 1 are fixed by bolts penetrating through the connecting holes 14 formed in the flange plates of the section steel supporting beam and the brace connecting holes 42 formed in the brace connecting plates 41, which are overlapped in position, in the vertical direction.
As shown in fig. 4, a first brace connecting piece end cover plate 43 connected to the end surfaces of the two brace connecting plates 41 is arranged on one side of the brace connecting piece 4 inserted into the steel support beam 1 to enhance the stability of the brace connecting piece 4, thereby providing a better support effect.
As shown in fig. 4, a reinforcing plate 44 connected to the end cover plate 43 of the diagonal brace connecting member and parallel to the two diagonal brace connecting plates 41 is further disposed inside the diagonal brace connecting member 4. The reinforcing plate 44 may further stabilize the structure of the sprag connection 4.
As shown in fig. 3, the end portions of the struts 5 are provided with strut end cover plates 51 connected to the end surfaces of the upper and lower flange plates thereof, one side of the strut connecting member 4 for being connected to the strut 5 is provided with a second strut connecting member end cover plate 45 connected to the end surfaces of the two strut connecting plates 41 thereof, the strut end cover plate 51 is provided with a strut end cover plate connecting hole 511, the second strut connecting member end cover plate 45 is provided with a strut connecting member end cover plate connecting hole 451, and after the two strut end cover plates 51 and the second strut connecting member end cover plate 45 are aligned, the two strut end cover plates 51 and the second strut connecting member end cover plate 45 are fixed in the strut end cover plate connecting hole 511 and the strut connecting member end cover plate connecting hole 451 which are horizontally overlapped by bolts.
In other embodiments, the other three ends of the diagonal brace connecting piece 4 may also be provided with end cover plates connected to the end surfaces of the two parallel diagonal brace connecting plates 41, and the diagonal brace connecting piece 4 only needs to be fixedly installed inside the steel support beam 1, which is not limited in the present application.
As shown in fig. 3, the length of the sprag link 4 is greater than the width of the connection section steel 2. The central axis of the section steel supporting beam 1, the connecting section steel 2 and the inclined strut connecting piece 4 can be converged to one point on the central axis of the section steel supporting beam.
Can know through the concrete description to the embodiment above, the steel shotcrete connected system that this application provided, its connection shaped steel setting between two adjacent shaped steel supporting beam, and the rethread connecting plate makes has the relation of connection between the three for originally, the pressure that bears by single limb shaped steel supporting beam is shared, and then can bear bigger pressure, has more stable bearing structure simultaneously, is difficult for taking place deformation, can prolong the life of each part.
Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.
Claims (10)
1. A steel support connection system, comprising:
the steel support beams are arranged at intervals and comprise upper flange plates, lower flange plates and webs connected between the upper flange plates and the lower flange plates;
the connecting section steel is arranged between two adjacent section steel supporting beams and comprises an upper flange plate, a lower flange plate and a web plate connected between the upper flange plate and the lower flange plate;
and the connecting plate is connected with the flange plate of the profile steel supporting beam and the flange plate of the connecting profile steel.
2. The steel support connecting system of claim 1, wherein the upper and lower flange plates of the steel support beam, the upper and lower flange plates of the connecting section steel and the connecting plate are provided with connecting holes,
the flange plates positioned on the same side of the section steel supporting beam and the connecting section steel are positioned in the same horizontal plane, and the connecting plate is placed on one side, away from the web plate, of the flange plate of the section steel supporting beam and the flange plate of the connecting section steel;
the profile steel supporting beam and the connecting plate are fixed by penetrating through the flange plate of the profile steel supporting beam and the superposed connecting hole on the connecting plate in the vertical direction through bolts; the connecting section steel and the connecting plate are fixed through bolts penetrating through the flange plate of the connecting section steel and the coincident connecting holes in the connecting plate in the vertical direction.
3. The steel support connection system of claim 1, wherein the connection profile further comprises a profile end cover plate and a profile rib plate;
the section steel end cover plate is connected to the end surfaces of the upper and lower flange plates and the web plate of the connecting section steel;
the section steel rib plates are connected to the section steel end cover plates and the web plates of the connecting section steel.
4. The steel shotcrete connection system of claim 1, further comprising a plurality of brace connecting members disposed between the section steel support beam and the brace beam, the brace connecting members comprising two parallel brace connecting plates.
5. The steel support connection system of claim 4, wherein the central axis of the brace connection member, the central axis of the connection section steel, and the central axis of the section steel support beam meet at a point on the central axis of the section steel support beam.
6. The steel support connection system of claim 4, wherein the two parallel brace connection plates are both provided with connection holes,
the inclined strut connecting piece is placed in a groove formed by the upper flange plate and the lower flange plate of the section steel supporting beam and the web plate of the section steel supporting beam, and the inclined strut connecting piece and the section steel supporting beam are fixed by penetrating through a connecting hole overlapped between the inclined strut connecting piece and the section steel supporting beam in the vertical direction through a bolt.
7. The steel support connection system according to claim 6, wherein the side of the diagonal brace connection member inserted into the steel support beam is provided with an end cover plate connected to the end surfaces of two diagonal brace connection plates thereof.
8. The steel support connection system according to claim 7, wherein a reinforcing plate connected with the end cover plate and parallel to the two bracing connection plates is further arranged inside the bracing connection member.
9. The steel support connection system of claim 4, wherein the diagonal brace comprises upper and lower flange plates and a web plate connected between the upper and lower flange plates, the ends of the diagonal brace are each provided with an end cover plate connected to the end faces of the upper and lower flange plates thereof,
one side of the inclined strut connecting piece used for being connected with the inclined strut is provided with an end cover plate connected with the end surfaces of the two inclined strut connecting plates,
connecting holes are formed in the end cover plates of the inclined strut and the inclined strut connecting piece, and the inclined strut and the end cover plate are fixed through bolts penetrating through the connecting holes in the horizontal direction after being aligned.
10. The steel support connection system of claim 4, wherein the length of the sprag connection member is greater than the width of the connection section steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968290.3A CN115233693A (en) | 2022-08-12 | 2022-08-12 | Steel support connecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210968290.3A CN115233693A (en) | 2022-08-12 | 2022-08-12 | Steel support connecting system |
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| CN115233693A true CN115233693A (en) | 2022-10-25 |
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| CN202210968290.3A Pending CN115233693A (en) | 2022-08-12 | 2022-08-12 | Steel support connecting system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203361166U (en) * | 2013-07-11 | 2013-12-25 | 东通岩土科技（杭州）有限公司 | Supporting beam for building foundation pit support |
| CN107059879A (en) * | 2017-03-09 | 2017-08-18 | 中国建筑第八工程局有限公司 | Bracing members and steel enclose the adaptability connecting node and its construction method of purlin in foundation ditch |
| CN207739267U (en) * | 2017-12-08 | 2018-08-17 | 江苏东合南岩土科技股份有限公司 | A kind of foundation pit steel support and foundation pit support system |
| KR20190051615A (en) * | 2017-11-07 | 2019-05-15 | 주식회사 엠스틸인터내셔널 | CONNECTOR ASSEMBLY FOR STEEL PIPE STRUT and CONNECTING SYSTEM OF STEEL PIPE STRUT-STRIP FOR UNDERGROUND RETAINING WALL USING the CONNECTOR ASSEMBLY |
| CN111218941A (en) * | 2020-04-13 | 2020-06-02 | 北京中岩大地科技股份有限公司 | Combined type section steel supporting rod piece |
| CN114250788A (en) * | 2021-12-02 | 2022-03-29 | 江苏华东地质建设集团有限公司 | Assembly type square and rectangular tubular steel supporting beam system for foundation pit supporting |
-
2022
- 2022-08-12 CN CN202210968290.3A patent/CN115233693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203361166U (en) * | 2013-07-11 | 2013-12-25 | 东通岩土科技（杭州）有限公司 | Supporting beam for building foundation pit support |
| CN107059879A (en) * | 2017-03-09 | 2017-08-18 | 中国建筑第八工程局有限公司 | Bracing members and steel enclose the adaptability connecting node and its construction method of purlin in foundation ditch |
| KR20190051615A (en) * | 2017-11-07 | 2019-05-15 | 주식회사 엠스틸인터내셔널 | CONNECTOR ASSEMBLY FOR STEEL PIPE STRUT and CONNECTING SYSTEM OF STEEL PIPE STRUT-STRIP FOR UNDERGROUND RETAINING WALL USING the CONNECTOR ASSEMBLY |
| CN207739267U (en) * | 2017-12-08 | 2018-08-17 | 江苏东合南岩土科技股份有限公司 | A kind of foundation pit steel support and foundation pit support system |
| CN111218941A (en) * | 2020-04-13 | 2020-06-02 | 北京中岩大地科技股份有限公司 | Combined type section steel supporting rod piece |
| CN114250788A (en) * | 2021-12-02 | 2022-03-29 | 江苏华东地质建设集团有限公司 | Assembly type square and rectangular tubular steel supporting beam system for foundation pit supporting |
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