CN215442614U - Exempt from to tear open die block truss floor carrier plate - Google Patents
Exempt from to tear open die block truss floor carrier plate Download PDFInfo
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- CN215442614U CN215442614U CN202121892548.3U CN202121892548U CN215442614U CN 215442614 U CN215442614 U CN 215442614U CN 202121892548 U CN202121892548 U CN 202121892548U CN 215442614 U CN215442614 U CN 215442614U
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Abstract
The embodiment of the present disclosure relates to a exempt from to tear open die block truss floor carrier plate, this floor carrier plate includes: prefabricating a bottom plate; the U-shaped clamping groove assembly comprises a U-shaped clamping groove and an anchoring piece which are fixedly connected, the anchoring piece is welded below the U-shaped clamping groove, and one or more longitudinal grooves are formed in the lower end of the U-shaped clamping groove; the truss is clamped on the U-shaped clamping groove; the anchoring piece and part of the clamping grooves are embedded in advance or inserted into the prefabricated bottom plate afterwards. In this embodiment, utilize pre-buried U type draw-in groove to connect bottom plate and truss, make truss building carrier plate pour the back die block of exempting from to tear open, avoid the welding of truss and bottom plate, convenient construction saves the time limit for a project. The lower end of the U-shaped clamping groove is provided with a longitudinal groove, and the remaining longitudinal groove part is subjected to post-cast concrete through the pre-embedded part of the clamping groove, so that the continuity of the prefabricated bottom plate and the post-cast concrete can be ensured.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of building bearing plates for buildings, in particular to a disassembly-free bottom die truss building bearing plate.
Background
The world building industry is in a vigorous development period, and land resources are increasingly reduced along with the increase of the world population. Because of the increase of the cost of land yielding and the continuous rise of labor cost according to labor payment, the consciousness of energy conservation and environmental protection requirements is gradually improved, and the competition pressure of the building industry is higher and higher. Along with the increasing height of buildings, steel structures are commonly applied to high-rise buildings due to the advantages of light dead weight and high strength. The steel structure building is continuously developed, and the construction method of the cast-in-place plate in the traditional project is difficult to keep up with the construction speed of the steel structure adopted by the building main body, so that the overall construction progress of the project is influenced. The construction of the cast-in-place plate needs to build auxiliary facilities such as a template and a scaffold, and the construction quantity of the project site reinforcement is huge, so that the overall construction process is disconnected. With the progress of society and the improvement of construction technology, construction engineers develop a permanent formwork, namely a steel bar truss floor support plate, which overcomes the construction defects. The steel bar truss floor bearing plate is a building product which is formed by welding steel bars into a steel bar truss in a factory and then welding the steel bar truss and a steel bottom plate into a whole.
In the prior art, the bottom plate of the steel bar truss floor support plate is a profiled steel plate, and fire prevention treatment needs to be carried out at the bottom of the plate. Because the die block board can not dismantle after the concrete sets, the bottom surface is inconsistent with traditional concrete, can not directly carry out the engineering of plastering, and the process is complicated, needs the furred ceiling construction. In addition, use cement pressure plate as the steel bar truss floor carrier plate of bottom plate, because cement pressure plate material intensity and ductility are lower, easily produce the crack in panel production, transportation and work progress, the yield is low to because the work progress crack exists, influence later stage house and deliver.
Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.
It is noted that this section is intended to provide a background or context to the disclosure as recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
SUMMERY OF THE UTILITY MODEL
An object of embodiments of the present disclosure is to provide a disassembly-free bottom die truss floor deck, which may overcome, at least in part, one or more of the problems due to the limitations and disadvantages of the related art.
In a first aspect, an embodiment of the present disclosure provides a detachment-free bottom die truss floor deck, including:
prefabricating a bottom plate;
the U-shaped clamping groove assembly comprises a U-shaped clamping groove and an anchoring piece which are fixedly connected, the anchoring piece is welded below the U-shaped clamping groove, and one or more longitudinal grooves are formed in the lower end of the U-shaped clamping groove; and
the truss is clamped on the U-shaped clamping groove;
the anchoring piece and part of the clamping grooves are embedded or inserted into the prefabricated bottom plate.
In an embodiment of the present disclosure, an upper end of the vertical section of the U-shaped slot is provided with an ear plate facing the center of the U-shaped slot, and the ear plate is used for limiting the truss.
In an embodiment of the present disclosure, the surface of the ear plate is a streamline curved surface.
In an embodiment of the present disclosure, the plurality of longitudinal grooves are arranged in parallel.
In an embodiment of the present disclosure, the anchoring member is a steel wire mesh.
In an embodiment of the disclosure, the prefabricated base plate is made of a composite material, and the composite material comprises the following basic components in parts by weight: 1 part of sand, 0.1-0.2 part of fly ash, 0.6-0.8 part of cement, 0.1-0.2 part of silica fume and 0.16-0.22 part of water, wherein the composite material also comprises the following auxiliary components in percentage by volume: 1-2% by volume of the base component of fibres.
In an embodiment of the present disclosure, the truss is a steel bar truss, the steel bar truss includes an upper chord steel bar, a web member steel bar and a lower chord steel bar, the upper chord steel bar and the lower chord steel bar are both horizontally disposed, the upper chord steel bar is fixedly connected with the lower chord steel bar through the web member steel bar, and the lower chord steel bar is clamped in the U-shaped clamping groove.
In one embodiment of the disclosure, the width of the prefabricated base plate is 600mm-4200mm, the length is 1000mm-12000mm, and the thickness is 5mm-50 mm.
In an embodiment of the present disclosure, the thickness of the prefabricated base plate is 15 mm.
In an embodiment of the disclosure, the height of the U-shaped slot exceeding the top surface of the prefabricated base plate is 15mm-40 mm.
In a second aspect, an embodiment of the present disclosure provides a method for manufacturing a bottom die truss floor support plate without dismantling, including the following steps:
preparing a composite material by using sand, fly ash, cement, silica fume, water and fiber;
the composite material is used for manufacturing a prefabricated bottom plate, and the prefabricated bottom plate is manufactured by adopting a copying method, a pulp flowing method, a vacuum extrusion molding process or a formwork cast-in-place process, and is 600-4200 mm in width, 1000-12000 mm in length and 5-50 mm in thickness;
manufacturing a U-shaped clamping groove assembly, wherein the U-shaped clamping groove assembly comprises a U-shaped clamping groove and an anchoring piece which are fixedly connected, the anchoring piece is welded below the U-shaped clamping groove, and the lower end of the U-shaped clamping groove is provided with one or more longitudinal grooves;
the anchoring piece and part of the clamping grooves are arranged in the prefabricated bottom plate in a pre-buried or post-inserted mode through pre-buried or post-inserted U-shaped clamping groove assemblies;
when the prefabricated bottom plate reaches the preset strength, the truss is connected with the U-shaped clamping groove to form a floor support plate.
In one embodiment of the present disclosure, the composite material comprises the following basic components in parts by weight: 1 part of sand, 0.1-0.2 part of fly ash, 0.6-0.8 part of cement, 0.1-0.2 part of silica fume and 0.16-0.22 part of water, wherein the composite material also comprises the following auxiliary components in percentage by volume: 1-2% by volume of the base component of fibres.
In an embodiment of the present disclosure, a process of connecting the truss and the U-shaped slot is as follows: and placing the truss above the U-shaped clamping groove, and applying vertical pressure to the truss to enable the lower chord steel bars of the truss to slide into the clamping groove of the U-shaped clamping groove.
In an embodiment of the present disclosure, an ear plate facing the center of the U-shaped clamping groove is disposed at a vertical section of the U-shaped clamping groove, the ear plate is used for limiting the truss, and a surface of the ear plate is a streamlined curved surface.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
in the disassembly-free bottom die truss floor support plate in the embodiment of the disclosure, the prefabricated bottom plate and the truss are connected by the pre-embedded U-shaped clamping grooves, so that the disassembly-free bottom die is avoided after the truss floor support plate is poured, the welding of the truss and the bottom plate is avoided, the construction is convenient, and the construction period is shortened. The lower end of the U-shaped clamping groove is provided with a longitudinal groove, and concrete is post-cast in the residual longitudinal groove part through pre-embedding or post-inserting part of the clamping groove, so that the continuity and the connection strength of the prefabricated bottom plate and the post-cast concrete can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.
Fig. 1 is a schematic perspective view illustrating a disassembly-free bottom die truss floor deck according to an exemplary embodiment of the disclosure;
FIG. 2 shows a schematic top view of the structure of FIG. 1;
FIG. 3 shows a schematic cross-sectional view of FIG. 2 at 1-1;
FIG. 4 is a schematic diagram illustrating the positional relationship of a U-shaped card slot assembly to a prefabricated backplane in an exemplary embodiment of the present disclosure;
FIG. 5 is a schematic diagram illustrating the position relationship between the U-shaped clamping groove and the anchoring member in the exemplary embodiment of the disclosure;
fig. 6 shows a schematic structural diagram of a U-shaped card slot in an exemplary embodiment of the disclosure;
fig. 7 is a flowchart illustrating a method for manufacturing a detachment-free bottom die truss floor deck according to an exemplary embodiment of the disclosure.
Reference numerals:
100. the prefabricated bottom plate comprises a prefabricated bottom plate body, 200U-shaped clamping groove assemblies, 201U-shaped clamping grooves, 2011 longitudinal grooves, 2012 ear plates, 202 anchoring parts, 300 trusses, 301 upper chord steel bars, 302 web member steel bars, 303 lower chord steel bars.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Furthermore, the drawings are merely schematic illustrations of embodiments of the disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.
First, in the present exemplary embodiment, there is provided a detachment-free bottom die truss floor deck, as shown in fig. 1 to 6, including: prefabricated backplane 100, U-shaped card slot assembly 200, and truss 300. The U-shaped card slot assembly 200 comprises a U-shaped card slot 201 and an anchoring member 202 which are fixedly connected, the anchoring member 202 is welded below the U-shaped card slot 201, and one or more longitudinal grooves 2011 are formed at the lower end of the U-shaped card slot 201. The truss 300 is clamped on the U-shaped clamping groove 201. The anchoring member 202 and a part of the clamping grooves 201 are embedded in the prefabricated bottom plate 100 in a pre-buried or post-inserted manner.
In this embodiment, utilize pre-buried U type draw-in groove to connect prefabricated bottom plate and truss, make truss building carrier plate pour the back die block of exempting from to tear open, avoid the welding of truss and bottom plate, convenient construction saves the time limit for a project. The lower end of the U-shaped clamping groove is provided with a longitudinal groove, and concrete is post-cast in the residual longitudinal groove part through the pre-embedded or post-inserted part of the U-shaped clamping groove, so that the continuity of the prefabricated bottom plate and the post-cast concrete can be ensured.
The connection structure of the prefabricated bottom plate 100 and the U-shaped clamping groove assembly 200 is subjected to a drawing test, wherein the anchoring piece 202 is made of a steel wire mesh, and the result is shown in table 1.
TABLE 1 destructive load that the design thickness of the prefabricated floor can withstand
It can be seen from the above tests that the breaking load of the connection structure of the prefabricated base plate 100 and the U-shaped slot assembly 200 of the present embodiment is higher than 1.2kN required by the industry, and the connection structure has good load transfer capability and ensures the safety of the connection structure.
Optionally, in some embodiments, as shown in fig. 6, an ear plate 2012 facing the center of the U-shaped slot 201 is disposed at an upper end of the vertical section of the U-shaped slot 201, and the ear plate 2012 is used to limit the truss 300, so as to prevent the truss 300 from being separated from the U-shaped slot 201, and ensure the stability of the structure.
Optionally, in some embodiments, the surface of the ear plate 2012 is a streamlined curved surface, so that the truss 300 can directly slide into the U-shaped slot 201, without bending or extruding the components of the truss 300, which is very convenient for connection and saves working hours.
Optionally, in some embodiments, one or more longitudinal grooves 2011 are disposed at the lower end of the U-shaped slot 201, so that continuity of the prefabricated bottom plate and the post-cast concrete can be ensured.
Optionally, in some embodiments, as shown in fig. 6, a plurality of the longitudinal grooves 2011 are arranged in parallel and are uniformly arranged, so that stability of the internal structural performance of the floor deck can be improved.
Optionally, in some embodiments, the anchor 202 may be connected to a lower end of the U-shaped slot 201. The pre-embedded anchoring piece 202 can improve the strength of the floor deck and prevent local fracture. The anchoring members 202 may be in a shape of a Chinese character 'yi', a 'cross', a 'tian', a 'well' or an oblique cross, the diameter of the anchoring members may be 1mm-4mm, the distance between the anchoring members is 20mm-200mm, the distance between the pre-embedded anchoring members 202 and the bottom of the prefabricated base plate 100 is 2mm-15mm, for example, 5mm, 8mm, 10mm, 12mm, etc., but not limited thereto.
Optionally, in some embodiments, the anchoring member 202 is welded to the lower end of the slot 201, so that the welding process is very convenient and the connection is very firm. The anchoring member 202 may be a steel wire mesh, a steel reinforcement cage, a connecting steel bar, or the like.
Optionally, in some embodiments, the material of the prefabricated base plate 100 is a composite material, and the composite material includes the following basic components in parts by weight: 1 part of sand, 0.1-0.2 part of fly ash, 0.6-0.8 part of cement, 0.1-0.2 part of silica fume and 0.16-0.22 part of water, wherein the composite material also comprises the following auxiliary components in percentage by volume: 1-2% by volume of the base component of fibres.
Optionally, in some embodiments, as shown in fig. 3, the truss 300 is a steel bar truss, the steel bar truss includes an upper-chord steel bar 301, a web member steel bar 302, and a lower-chord steel bar 303, the upper-chord steel bar 301 and the lower-chord steel bar 303 are both horizontally disposed, the upper-chord steel bar 301 is fixedly connected to the lower-chord steel bar 303 through the web member steel bar 302, and the lower-chord steel bar 303 is clamped in the U-shaped clamping groove 201. The diameter of the upper chord steel bar and the lower chord steel bar of the truss 300 is 6mm-22mm, the diameter of the web member steel bar 302 is 4-12mm, and the height of the truss 300 is 70-300 mm.
Optionally, in some embodiments, the prefabricated base plate 100 has a width of 600mm to 4200mm (e.g., 800mm, 1000mm, 2000mm, 3000mm, etc.), a length of 1000mm to 12000mm (e.g., 1200mm, 2000mm, 3000mm, 35000mm, 8000mm, etc.), and a thickness of 5mm to 50mm (e.g., 6mm, 10mm, 20mm, 30mm, 40mm, etc.), which may be adjusted according to actual engineering requirements.
Optionally, in some embodiments, the thickness of the prefabricated base plate is 15mm, and the thickness can meet most engineering requirements, and the use frequency is high.
Optionally, in some embodiments, the U-shaped slot 201 may be made of a weldable plate material such as a steel plate or an aluminum plate, and the height of the U-shaped slot 201 exceeding the top surface of the prefabricated base plate 100 when the U-shaped slot 201 is embedded or inserted in the back may be 15mm to 40mm, for example, 20mm or 30 mm. The thickness of the U-shaped slot 201 may be 2mm to 5mm, such as 3mm, 4mm, etc. The width of the inner side of the U-shaped clamping groove 201 can be 80 mm. The distance between the U-shaped clamping grooves 201 in the direction perpendicular to the truss 300 (namely the transverse direction) is 200mm-300mm, and the distance between the U-shaped clamping grooves in the direction along the truss 300 (namely the longitudinal direction) is 400mm-800 mm.
Secondly, an embodiment of the present disclosure provides a method for manufacturing a bottom die truss floor support plate without dismantling, as shown in fig. 7, including the following steps:
s10, preparing the composite material by using sand, fly ash, cement, silica fume, water and fiber.
S20, fabricating the prefabricated base plate 100 by using the composite material. The prefabricated base plate 100 is manufactured by adopting a copying method, a pulp flowing method, a vacuum extrusion molding process or a formwork cast-in-place process, and the prefabricated base plate 100 is 600mm-4200mm in width, 1000mm-12000mm in length and 5mm-50mm in thickness.
S30, manufacturing a U-shaped card slot assembly 200, where the U-shaped card slot assembly 200 includes a U-shaped card slot 201 and an anchoring member 202 that are fixedly connected, the anchoring member 202 is welded below the U-shaped card slot 201, and the lower end of the U-shaped card slot 201 has one or more longitudinal grooves 2011.
S40, pre-burying or post-inserting the U-shaped slot assembly 200, and pre-burying the anchor 202 and a part of the slots 201 into the prefabricated base plate 100.
And S50, when the prefabricated bottom plate 100 reaches the preset strength, connecting the truss 300 with the U-shaped clamping groove 201 to form a floor support plate.
When the prefabricated bottom plate 100 adopts a formwork cast-in-place process, firstly the prefabricated bottom plate 100 is manufactured according to a preset size, secondly the U-shaped clamping groove assembly 200 is positioned and embedded in the prefabricated bottom plate 100 according to the design, then the conforming materials are poured according to the design thickness, and finally the prefabricated bottom plate 100 is maintained. The U-shaped slot assembly 200 may also be inserted into the prefabricated base plate 100 after the high-ductility concrete is poured and before initial setting, and positioned according to a design.
In this embodiment, utilize pre-buried U type draw-in groove to connect prefabricated bottom plate and truss, make truss building carrier plate pour the back die block of exempting from to tear open, avoid the welding of truss and prefabricated bottom plate, convenient construction saves the time limit for a project. The lower end face of the U-shaped clamping groove is provided with a longitudinal groove, and the remaining longitudinal groove part is subjected to post-cast concrete through the pre-embedded or post-inserted part of the U-shaped clamping groove, so that the continuity and the connection strength of the prefabricated bottom plate and the post-cast concrete can be ensured.
Optionally, in some embodiments, the composite material comprises the following base components in parts by weight: 1 part of sand, 0.1-0.2 part of fly ash, 0.6-0.8 part of cement, 0.1-0.2 part of silica fume and 0.16-0.22 part of water, wherein the composite material also comprises the following auxiliary components in percentage by volume: 1-2% by volume of the base component of fibres. The reasonable component and the proportion of setting up combined material can obtain the good material of required intensity and ductility to strengthen the inside connection structure of building carrier plate and the holistic bearing capacity of building carrier plate. The preparation process of the composite material comprises the following steps: adding water into a stirrer according to a certain proportion, gradually adding sand, fly ash, cement and silica fume in the stirring process, stirring uniformly, then gradually adding fibers, stirring for about 15-20 minutes, and stopping stirring until the fibers are uniformly dispersed and have no caking.
Optionally, in some embodiments, the process of connecting the truss 300 and the U-shaped slot 201 is: the truss 300 is placed above the U-shaped clamping groove 201, and vertical pressure is applied to the truss 300, so that the lower chord steel bars 303 of the truss 300 slide into the clamping grooves of the U-shaped clamping groove 201. Optionally, in some embodiments, the surface of the ear plate 2012 is a streamlined curved surface. The lower chord steel bars 303 of the truss 300 can slide into the pre-buried U-shaped clamping grooves 201 to be connected with the prefabricated bottom plate 100 without bending, so that the production procedures are reduced, and the connection is convenient.
Optionally, in some embodiments, an ear plate 2012 facing the center of the U-shaped card slot 201 is disposed on a vertical section of the U-shaped card slot 201, and the ear plate 2012 is used for limiting the truss 300, so as to prevent the truss 300 from being separated from the U-shaped card slot 201, and ensure the stability of the structure. The surface of the ear plate 2012 is a streamline curved surface, so that the truss 300 can easily slide into the U-shaped slot 201 without extruding the truss 300, and the operation is very convenient and fast.
In the above embodiments, the values of the compressive strength, the flexural strength, the equivalent bending toughness, the tensile strength, the ultimate tensile strain, and the like of the prefabricated base plate 100 are tested according to the relevant regulations of the existing national standards "test method for physical and mechanical properties of concrete" GB/T50081, "test method for cement mortar strength (ISO method)" GB/T17671, and JCT2461-2018 "test method for mechanical properties of high-ductility fiber-reinforced cement-based composite material". The test piece forming and maintaining method refers to relevant regulations of the current national standard GB/T50081 of concrete physical and mechanical property test method Standard. The mechanical property test data of the prefabricated base plate 100 of the present application obtained according to the above test method are shown in table 2 below:
TABLE 228 d mechanical Properties Experimental data
The above experimental data show that:
1. the compressive strength of the composite material is basically equivalent to that of C50 concrete, and the composite material has high-strength compressive property;
2. the flexural strength is greater than 13MPa of the R3 strength grade cement fiberboard;
3. the indexes of equivalent bending strength and equivalent bending toughness fully illustrate that the composite material has a good ductility index;
4. the tensile strength is 2-3 times of 2.64MPa of the tensile strength of C50 concrete, and the ultimate tensile strain is more than 200 times of the ultimate tensile strain of ordinary concrete, so that the concrete has very good tensile deformability.
It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship illustrated in the drawings, merely for the convenience of describing the disclosed embodiments and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be considered limiting of the disclosed embodiments.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present disclosure, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.
In the embodiments of the present disclosure, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
Claims (10)
1. The utility model provides an exempt from to tear open die block truss floor carrier plate which characterized in that includes:
prefabricating a bottom plate;
the U-shaped clamping groove assembly comprises a U-shaped clamping groove and an anchoring piece which are fixedly connected, the anchoring piece is welded below the U-shaped clamping groove, and one or more longitudinal grooves are formed in the lower end of the U-shaped clamping groove; and
the truss is clamped on the U-shaped clamping groove;
the anchoring piece and part of the clamping grooves are embedded or inserted into the prefabricated bottom plate.
2. The disassembly-free bottom die truss floor support plate according to claim 1, wherein an ear plate facing the center of the U-shaped clamping groove is arranged at the upper end of the vertical section of the U-shaped clamping groove, and the ear plate is used for limiting the truss.
3. The detachment-free bottom die truss floor deck according to claim 2, wherein the surfaces of the ear plates are streamline curved surfaces.
4. The disassembly-free bottom die truss floor deck according to claim 1, wherein a plurality of the longitudinal grooves are arranged in parallel.
5. The detachment-free bottom die truss floor deck according to claim 1, wherein the anchoring member is a steel wire mesh.
6. The disassembly-free bottom die truss floor deck according to claim 1, wherein the prefabricated bottom plate is made of a composite material.
7. The disassembly-free bottom die truss floor support plate according to claim 1, wherein the truss is a steel bar truss, the steel bar truss comprises upper chord steel bars, web members and lower chord steel bars, the upper chord steel bars and the lower chord steel bars are horizontally arranged, the upper chord steel bars are fixedly connected with the lower chord steel bars through the web members, and the lower chord steel bars are clamped in the U-shaped clamping grooves.
8. The detachment-free bottom die truss floor deck according to any one of claims 1 to 7, wherein the prefabricated bottom plate has a width of 600mm to 4200mm, a length of 1000mm to 12000mm, and a thickness of 5mm to 50 mm.
9. The disassembly-free bottom die truss floor deck according to claim 8, wherein the thickness of the prefabricated bottom plate is 15 mm.
10. The disassembly-free bottom die truss floor deck according to any one of claims 1 to 7, wherein the height of the U-shaped clamping groove beyond the top surface of the prefabricated bottom plate is 15mm to 40 mm.
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| CN202121892548.3U CN215442614U (en) | 2021-08-13 | 2021-08-13 | Exempt from to tear open die block truss floor carrier plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463806A (en) * | 2021-08-13 | 2021-10-01 | 西安五和土木工程新材料有限公司 | Disassembly-free bottom die truss floor bearing plate and manufacturing method thereof |
| CN115450420A (en) * | 2022-10-20 | 2022-12-09 | 上海建工一建集团有限公司 | Floor post-cast strip disassembly-free template system and construction method thereof |
-
2021
- 2021-08-13 CN CN202121892548.3U patent/CN215442614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463806A (en) * | 2021-08-13 | 2021-10-01 | 西安五和土木工程新材料有限公司 | Disassembly-free bottom die truss floor bearing plate and manufacturing method thereof |
| CN115450420A (en) * | 2022-10-20 | 2022-12-09 | 上海建工一建集团有限公司 | Floor post-cast strip disassembly-free template system and construction method thereof |
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