CN210562984U

CN210562984U - Support-free truss beam system

Info

Publication number: CN210562984U
Application number: CN201921404701.6U
Authority: CN
Inventors: 马义和
Original assignee: Yingchuang New Material Suzhou Co ltd
Current assignee: Yingchuang New Material Suzhou Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-19
Anticipated expiration: 2029-08-27

Abstract

The application relates to a support-free truss girder system, belonging to the technical field of building construction. The application provides a exempt from to strut truss girder system, including supporting body and girder steel structure, the cross-section of supporting body is the U type and including the pouring cavity, and the girder steel structure is located the pouring cavity, and the girder steel structure includes the roof beam body and is located a plurality of supporting components around the roof beam body, and every supporting component includes two support piece that the symmetry set up, and every support piece's one end links to each other with the roof beam body, and every support piece's the other end links to each other with the supporting body. The roof beam body can be located the central point of supporting body with high accuracy, and the roof beam body passes through a plurality of supporting components and links to each other with the supporting body, and the supporting body has better bearing capacity as the partial mould shell in pouring chamber. This kind of arrangement form makes need not arrange supporting construction separately to the truss girder when using concrete integral casting to the efficiency of construction has been improved.

Description

Support-free truss beam system

Technical Field

The application relates to the technical field of building construction, in particular to a support-free truss beam system.

Background

The traditional beam structure needs an auxiliary beam supporting structure in the construction process, the steel frame structure and the auxiliary beam supporting structure are separated from each other, and the auxiliary beam supporting structure is detached after the poured concrete is solidified and molded. This kind of construction method not only the efficiency of construction is low, and loaded down with trivial details complicacy, and steel frame construction is relatively poor for beam structure's position precision to whole beam structure's mechanical properties has been influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, the application provides a support-free truss beam system which does not need to be provided with an auxiliary beam support structure in the casting molding process and has better mechanical property.

The utility model provides a exempt from to strut truss girder system, including supporting body and girder steel structure, the cross-section of supporting body is the U type, and the supporting body includes the pouring chamber, and the girder steel structure is located the pouring intracavity, and the girder steel structure includes the roof beam body and is located a plurality of supporting component around the roof beam body, and every supporting component includes two support piece that the symmetry set up, and every support piece's one end links to each other with the roof beam body, and every support piece's the other end links to each other with the supporting body.

The bearing body is the prefab, links to each other with the girder steel structure after the bearing body shaping. The roof beam body can be located the central point of supporting body with high accuracy, and the roof beam body passes through a plurality of supporting components and links to each other with the supporting body, and the supporting body has better bearing capacity as the partial mould shell in pouring chamber. This kind of arrangement form makes need not arrange supporting construction separately to the truss girder when using concrete integral casting to the efficiency of construction has been improved.

In addition, the shoring-free truss girder system according to the embodiment of the application also has the following additional technical characteristics:

according to some embodiments of the present application, the supporting body is provided with a mounting portion at a side thereof adjacent to the supporting member, and one end of the supporting member is buried in the mounting portion, which arrangement improves the efficiency of connecting the supporting member to the supporting body.

According to some embodiments of the application, the two supports of each support assembly are embedded in the same mounting portion. The arrangement simplifies the appearance of the whole bearing body, thereby reducing the mould cost of the bearing body.

According to some embodiments of the present application, the shoring-free truss girder system further includes a plurality of reinforcing bars extending along a length direction of the shoring-free truss girder system, and the plurality of supporting members are connected by the plurality of reinforcing bars. This kind of arrangement form can increase the steadiness of girder steel structure.

According to some embodiments of the application, many reinforcing bars include multiunit triangle reinforcing bar group, and every group triangle reinforcing bar group includes a connecting reinforcement and two installation reinforcing bars, and three reinforcing bars are parallel to each other and are the triangle and arrange, and the connecting reinforcement links to each other with the roof beam body, and two support piece of every supporting component link to each other with the connecting reinforcement respectively, and every installation reinforcing bar links to each other with a support piece among the supporting component. This kind of arrangement form can increase the steadiness of girder steel structure.

According to some embodiments of the present application, two mounting bars are embedded in the carrier. Two mounting steel bars are also embedded into the bearing body, so that the connection strength of the supporting component and the bearing body can be improved.

According to some embodiments of the present application, the carrier is an infinitesimal stone slab. The Yingheng stone slab is suitable for a flat plate process, can also be suitable for a relief process, and is suitable for the specific beautifying process treatment of the appearance of a beam structure.

According to some embodiments of the application, the upper side of the beam body comprises a penetration portion. At least one long steel bar penetrates through the inserting part to be inserted and connected with other transverse steel bars.

According to some embodiments of the present application, the carrier includes a plurality of carrier units along its length, the plurality of carrier units being arranged adjacent to each other, each carrier unit being connected to the beam body by at least one support assembly. The arrangement form provides a process for molding the bearing body in a segmented manner, and the cost of the mold is reduced.

According to some embodiments of the present application, a gap at a junction of two adjacent carrier units of the plurality of carrier units is filled with a structural adhesive. The arrangement makes the supporting body smooth and not leak.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a cross-sectional view of a shoring-free truss beam system provided in an embodiment of a first aspect of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A (one form of connection of the support assembly to the plurality of mounting portions);

FIG. 3 is an enlarged view of a portion of FIG. 1 at A (another form of connection of the support assembly to the plurality of mounting portions);

fig. 4 is a schematic structural view of a shoring-free truss beam system provided in an embodiment of the first aspect of the present application;

fig. 5 is a schematic layout view of a shoring-free truss beam system provided in an embodiment of the first aspect of the present application;

fig. 6 is a schematic structural view of a shoring-free truss beam system provided in accordance with an embodiment of the second aspect of the present application;

fig. 7 is a partial schematic view of a joint of a shoring-free truss beam system according to an embodiment of the second aspect of the present application.

Icon: 100-a shoring-free truss girder system; 110-a carrier; 111-a carrier body; 1111-medial side; 112-a mounting portion; 120-steel beam structure; 130-a beam body; 131-a penetration part; 132-a cavity; 140-a support assembly; 141-a first support; 1411-a first end; 1412-second end; 1413-pinning; 142-a second support; 150-triangular rebar sets; 151-connecting the reinforcing steel bars; 152-first installation rebar; 153-second mounting bar; 160-casting cavity; 170-a support unit; 171-a first support unit group; 1711-left lower support unit; 172-a second set of support cells; 1721-right lower support unit; 173-bottom support unit; 200-a support-free truss girder system; 210-a first carrier unit; 220-a second carrier unit; 230-a gap; 240-structural adhesive; 300-long steel bars; 400-pillar structures; 500-transverse reinforcement.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when using, and are only used for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In the description of the present application, reference to "cross section" in fig. 1 refers to a plane perpendicular to the length of the shoring-free truss beam system 100.

Referring to fig. 1, a shoring-free truss girder system 100 according to an embodiment of the present application includes a supporting body 110 and a girder structure 120, the supporting body 110 has a U-shaped cross section, and the supporting body 110 includes a casting cavity 160. The steel beam structure 120 is located in the pouring cavity 160, the steel beam structure 120 includes a beam body 130 and a plurality of support assemblies 140, the plurality of support assemblies 140 being located around the beam body 130. Referring to fig. 2, each of the support assemblies 140 includes a first support 141 and a second support 142 symmetrically disposed. Each of the supporting members has one end connected to the beam body 130 and the other end connected to the carrier 110.

The shoring-free truss girder system 100 of the first embodiment of the present application is a truss girder system of a shoring-free structure, wherein the supporting body 110 is a prefabricated member, and one ends of the first supporting member 141 and the second supporting member 142 are embedded in the supporting body 110 during the prefabrication of the supporting body 110, so as to connect the girder body 130 with the supporting body 110. It will be readily appreciated that the carrier 110 is connected to the beam body 130 by a plurality of support assemblies 140, the beam body 130 is interconnected with the floor slab reinforcement at the construction and installation site, and the weight of the concrete poured into the post-pouring cavity 160 is supported by the carrier 110. This kind of arrangement form makes need not arrange supporting construction separately to the truss girder when using concrete integral casting to the efficiency of construction has been improved.

The structural and mutual positional relationships of the components of the shoring-free truss beam system 100 of one aspect of the present application are described below.

The girder body 130 is a connection part of the plurality of support members 140 and the external long reinforcing bars 300 as a part of the steel girder structure 120. As can be readily appreciated, the beam body 130 is located in a central position of the carrier body 110 to uniformly bear the weight of the carrier body 110.

Referring to fig. 1, the upper side of the beam body 130 includes a penetration portion 131 to be engaged with the long reinforcing bar 300.

In some embodiments of the present application, the middle of the beam body 130 has a cavity 132 extending along the length of the shoring-free truss beam system 100 and through the beam body 130. At least one long reinforcing bar 300 penetrates the hollow 132 and is inserted and connected with the plurality of transverse reinforcing bars 500.

As an example, the number of the long reinforcements 300 penetrating the cavity 132 is two, and the two long reinforcements 300 are connected to the plurality of transverse reinforcements 500 in a criss-cross manner.

The shoring-free truss girder system 100 further includes a plurality of reinforcing bars extending along a length direction of the shoring-free truss girder system 100, and the plurality of supporting members 140 are connected through the plurality of reinforcing bars.

Referring to fig. 1 and 2, in some embodiments of the present application, the plurality of reinforcing bars of the shoring-free truss girder system 100 includes a plurality of triangular reinforcing bar sets 150, and each of the triangular reinforcing bar sets 150 includes a connection reinforcing bar 151, a first installation reinforcing bar 152, and a second installation reinforcing bar 153.

The three reinforcing bars are parallel to each other and are arranged in a triangular manner, the connecting reinforcing bar 151 is connected with the beam body 130, and one ends, far away from the connecting reinforcing bar 151, of the first mounting reinforcing bar 152 and the second mounting reinforcing bar 153 are respectively matched with one supporting piece.

In some embodiments of the present application, the plurality of support members 140 have the same structure.

Referring to fig. 2, taking a supporting assembly 140 as an example, the supporting assembly 140 includes a first supporting member 141 and a second supporting member 142.

Wherein the first and

second supports

141 and 142 are symmetrically arranged with respect to the connection bar 151, the first support 141 connects the connection bar 151 with the first installation bar 152, and the second support 142 connects the connection bar 151 with the second installation bar 153.

The first and

second supports

141 and 142 have the same structure, and taking the first support 141 as an example, the first support 141 includes a first end 1411 and a second end 1412, the first end 1411 is connected to the connecting bar 151, and the second end 1412 is wound around the first mounting bar 152 and connected to the first mounting bar 152.

In some embodiments of the present application, the carrier 110 includes a carrier body 111 and a plurality of mounting portions 112, the plurality of mounting portions 112 are located on an inner side 1111 of the carrier body 111, i.e., a side near the beam body 130.

The support member 140 may be coupled to the plurality of mounting portions 112 in a variety of ways.

Referring to fig. 2, as an exemplary form, the second end 1412 of the first support 141 and the second end (not labeled) of the second support 142 are embedded in the same mounting portion 112. This arrangement simplifies the shape of carrier 110 and reduces the cost of prefabrication.

Referring to fig. 3, as another exemplary form, one mounting portion 112 corresponds to one supporting member, and for example, the first supporting member 141 is taken as an example, and the second end 1412 is embedded in the mounting portion 112.

Optionally, the first and second mounting bars 152 and 153 are also buried in the mounting part 112 to increase the coupling strength.

The joint between the mounting portion 112 and the carrier body 111 has no obvious limit, and the mounting portion 112 protrudes from the inner side 1111 of the carrier body 111, so that the local thickness of the carrier 110 is increased to embed one end of the supporting member.

In some embodiments of the present application, the second end 1412 includes a tang 1413, the tang 1413 extends around the first mounting bar 152 on a side away from the connecting bar 151, and the tang 1413 is welded to the first mounting bar 152.

As can be easily understood, the pin 1413 provides the first support 141 with a good anti-slip capability, so that the second end 1412 is not easily pulled out of the carrier 110.

Further, referring to fig. 1, 3 and 4, a plurality of triangular rebar groups 150 may be evenly arranged around the circumference of the carrier 110. For each of the triangular reinforcement groups 150, a plurality of support assemblies 140 are disposed in a length direction of the timbering-free truss girder system 100, and one triangular reinforcement group 150 and the plurality of support assemblies 140 disposed on the triangular reinforcement group 150 are configured as one support unit 170. Accordingly, the plurality of supporting units 170 can connect the carrier 110 with the beam body 130.

In some embodiments of the present application, three support units 170 are disposed at left and right sides of the girder body 130, respectively, and one support unit 170 is disposed at a bottom side of the girder body 130.

In other embodiments, the number and position of the supporting units 170 can be flexibly arranged according to the specific shape of the carrier 110, so that the supporting units can uniformly bear the weight of the carrier 110.

Among them, three support units 170 disposed at the left side of the girder body 130 are configured as a first support unit group 171, three support units 170 disposed at the right side of the girder body 130 are configured as a second support unit group 172, and the first support unit group 171 and the second support unit group 172 are symmetrically disposed.

The lowermost left and right

lower support units

1711, 1721 of the first and second

support unit groups

171, 172 are each arranged adjacent to the bottom support unit 173.

Preferably, the connection bar of the left lower support unit 1711 is connected to the left lowest of the girder body 130, and the connection bar of the right lower support unit 1721 is connected to the right lowest of the girder body 130.

As will be readily appreciated, this arrangement can strengthen and strengthen the bottom of the carrier body 111 to withstand the weight of the concrete poured later without being easily broken or deformed.

The carrier 110 serves both as a housing for the shoring-free truss beam system 100 and as a partial formwork for the casting cavity 160. It should be noted that the casting cavity 160 in the supporting body 110 is not isolated, but is communicated with the casting cavity of the column structure and the floor structure of the building, which is the prior art, and the specific communication form between the casting cavity 160 of the timbering-free truss girder system 100 and the casting cavity of other building structures will not be described in detail herein.

In some embodiments of the present application, referring to fig. 5, both ends of the carrier 110 in the length direction are open for connecting with the casting cavity of the column structure 400, and the top end of the carrier 110 is open for connecting with the casting cavity of the floor structure.

In some embodiments of the present application, the material of the carrier 110 is a filling stone plate. The Yingheng stone slab is a stone material prepared by using silicon dioxide and silicate as raw materials and using special fibers and environment-friendly nano materials as additives, and has good impact strength. The material of the filling stone slab is suitable for making the effect of a plane slab or a relief slab, and the slab can be directly purchased in the market, and the technical parameters are not described in detail herein.

Further, the outer side of the carrier body 111 (the side opposite the inner side 1111, not shown) is provided with a flat panel or a relief structure to accommodate finishing requirements.

The prefabrication and installation process of the shoring-free truss girder system 100 is as follows:

assembling the steel beam structure 120;

suspending the steel beam structure 120 in a mold for forming the carrier 110, such that the steel beam structure 120 is located at the central position of the carrier 110;

molding the carrier 110, optionally, molding the carrier body 111 and the plurality of mounting portions 112 in one step;

demolding the supporting body 110 to form the support-free truss girder system 100;

arranging the support-free truss girder system 100 to an installation position, so that two ends of the support-free truss girder system 100 in the length direction are respectively placed on the two column structures 400, and two ends of the support-free truss girder system 100 in the length direction are respectively connected with the outer plates of the column structures 400, so that the pouring cavity 160 is communicated with the pouring cavities of the two column structures 400;

two long steel bars 300 penetrate through the cavity 132 of the beam body 130, and the two long steel bars 300 are connected with the plurality of transverse steel bars 500 in an inserting manner;

the support-free truss girder structure is formed using the concrete casting cavity 160 and other casting cavities communicated therewith.

It is easily understood that after the casting is completed, the two column structures 400 located at the two ends of the shoring-free truss girder system 100 bear the weight of the shoring-free truss girder system 100, and the two long reinforcing bars 300 are inserted into the transverse reinforcing bars 500 and located inside the casting body. This section is prior art and the manner in which the shoring-free truss beam system 100 is secured is not described in detail herein. After pouring, the pouring cavity 160 and the pouring cavities of other structures communicated with the pouring cavity are filled with concrete, so that the support-free truss girder structure is formed.

The support-free truss girder system 100 of the embodiment of the first aspect of the application enables that a support structure does not need to be additionally arranged for the truss girder when concrete is integrally poured, thereby improving the construction efficiency.

On the basis of the shoring-free truss girder system 100 of the first aspect of the present application, the supporting body 110 of the shoring-free truss girder system 200 of the second aspect of the present application includes a plurality of supporting body units along the length direction thereof, the plurality of supporting body units are adjacently arranged, and each supporting body unit is connected to the girder body 130 through at least one supporting assembly 140.

Further, the gap 230 at the junction of two adjacent carrier units of the plurality of carrier units is filled with a structural glue 240.

Referring to fig. 6, taking the adjacent first carrier unit 210 and the second carrier unit 220 as an example, in actual construction, a gap 230 is inevitably formed between the first carrier unit 210 and the second carrier unit 220, and the gap 230 is filled with a structural adhesive 240, so that the surface of the entire carrier 110 is flat and smooth, and the gap 230 is better sealed.

Further, the first carrier unit 210 and the second carrier unit 220 may be connected firmly by a connecting member (not shown) to increase the connection firmness between two adjacent carrier units.

As an example, the attachment is arranged on the inner side 1111 and may be secured by self-tapping screws.

Optionally, referring to fig. 7, the joints of the first carrier unit 210 and the second carrier unit 220 are overlapped and form a gap 230 to prevent concrete leakage during casting.

The support-free truss girder system 200 of the second aspect of the present application adopts a sectional molding manner to mold a plurality of supporting body units, and uses the structural adhesive 240 to fill the gap between two adjacent supporting body units, so as to mold the supporting body 110, thereby reducing the mold cost.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a exempt from to strut truss girder system, its characterized in that, includes supporting body and girder steel structure, the cross-section of supporting body is the U type, the supporting body is including the pouring cavity, the girder steel structure is located the pouring cavity, the girder steel structure includes the roof beam body and is located a plurality of supporting components around the roof beam body, every supporting component include two support piece that the symmetry set up, every support piece one end with the roof beam body links to each other, every support piece the other end with the supporting body links to each other.

2. The shoring-free truss beam system as claimed in claim 1 wherein a side of the carrier body adjacent the bracing member is provided with a mounting portion into which an end of the bracing member is embedded.

3. The shoring-free truss beam system of claim 2 wherein both supports of each support assembly are embedded in the same mounting section.

4. The shoring-free truss beam system of claim 1 further comprising a plurality of reinforcing bars extending along a length of the shoring-free truss beam system, the plurality of support members being connected by the plurality of reinforcing bars.

5. The shoring-free truss girder system of claim 4, wherein the plurality of reinforcing bars include a plurality of sets of triangular reinforcing bars, each set of triangular reinforcing bars includes a connecting reinforcing bar and two mounting reinforcing bars, the three reinforcing bars are parallel to each other and arranged in a triangular manner, the connecting reinforcing bar is connected with the girder body, the two supporting members of the supporting assembly are respectively connected with the connecting reinforcing bar, and each mounting reinforcing bar is connected with one supporting member of the supporting assembly.

6. The shoring-free truss beam system of claim 5 wherein the two mounting bars are embedded in the carrier.

7. The shoring-free truss beam system of claim 1 wherein the carrier is a filling stone slab.

8. The shoring-free truss beam system of claim 1 wherein the upper side of the beam body includes a stabbing portion.

9. The shoring-free truss beam system of claim 1 wherein the carrier includes a plurality of carrier units along its length, the plurality of carrier units being arranged adjacent to one another, each carrier unit being connected to the beam body by at least one support assembly.

10. The shoring-free truss beam system of claim 9 wherein a gap at a junction of two adjacent ones of the plurality of bearer units is filled with a structural adhesive.