CN215907143U

CN215907143U - Exempt from to tear open die block truss floor carrier plate

Info

Publication number: CN215907143U
Application number: CN202121874273.0U
Authority: CN
Inventors: 曹继涛; 张思海; 邓明科; 余嘉豪; 田婷
Original assignee: Xi'an Wuhe Civil Engineering New Material Co ltd
Current assignee: Xi'an Wuhe New Material Technology Group Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-02-25
Anticipated expiration: 2031-08-11

Abstract

The embodiment of the utility model relates to a disassembly-free bottom die truss floor bearing plate. The method comprises the following steps: the device comprises a bottom die, a plurality of connecting assemblies and a plurality of trusses; the bottom die is a flat plate with a preset thickness; the connecting assemblies are arranged on the bottom die at certain intervals and along a first direction, each connecting assembly comprises a plurality of connecting bases arranged along the first direction and first connecting pieces arranged on the plurality of connecting bases, the connecting bases are partially arranged in the bottom die and partially protrude out of the upper surface of the bottom die by a preset distance, and the first connecting pieces are connected with the protruding parts of the connecting bases; the trusses are parallel to each other and arranged on the bottom die along the second direction, perpendicular to the first connecting piece and fixed on the first connecting piece. Above-mentioned floor carrier plate can be comparatively firm with the truss fix on the die block through coupling assembling, need not carry out artifical reinforcement at the job site, also need not carry out dismantling of die block simultaneously, has improved engineering quality and has accelerated the construction progress of project.

Description

Exempt from to tear open die block truss floor carrier plate

Technical Field

The embodiment of the utility model relates to the technical field of buildings, in particular to a disassembly-free bottom die truss floor bearing plate.

Background

The building industry is developing vigorously, and with the increase of the population in the world nowadays, the land resources are decreasing day by day. 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, the competition pressure of the building industry is increased, and the building construction also gradually seeks development space towards the sky. 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 watering the board on spot needs to build auxiliary facilities such as template and scaffold frame, and project site reinforcement work volume is huge, leads to the construction flow totality to be disjointed, hardly follows up the construction speed that the building subject adopted the steel construction to influenced the construction progress of totality, and need demolish the bottom template after the project is accomplished and lead to the construction progress slow, it is huge to pollute. If the bottom die is a profiled steel sheet, fireproof and anticorrosion maintenance is needed in the later period, and if the bottom die is welded through by welding spots, slurry leakage can be caused during pouring.

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 embodiments of the utility model that are 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 an embodiment of the present invention is to provide a removal-free bottom die truss floor deck, which overcomes, at least to some extent, one or more of the problems due to limitations and disadvantages of the related art.

According to a first aspect of the embodiments of the present invention, there is provided a disassembly-free bottom die truss floor deck, including:

the bottom die is a flat plate with a preset thickness;

the connecting assembly comprises a plurality of connecting bases arranged along the first direction and a first connecting piece arranged on the connecting bases, the connecting bases are partially arranged in the bottom die and partially protrude out of the upper surface of the bottom die by a preset distance, and the first connecting piece is connected with the protruding part of the connecting base;

and the trusses are parallel to each other and are arranged on the bottom die along a second direction, are perpendicular to the first connecting piece and are fixed on the first connecting piece.

In an embodiment of the utility model, the connection base includes a second connection member and a third connection member, the second connection member is parallel to the bottom mold and is disposed in the bottom mold, the third connection member is perpendicular to the bottom mold, one end of the third connection member is disposed on the second connection member, and the other end of the third connection member protrudes out of the upper surface of the bottom mold by a predetermined distance.

In the embodiment of the utility model, the truss comprises an upper chord member, a lower chord member, web members and T-shaped connecting structures;

the upper chord and the lower chord form a triangular prism structure, and the lower chord is close to two edges of the bottom die and is fixed with the first connecting piece; the web members are of a wave-shaped structure, wave crests of the web members are connected with the upper chord members, and wave troughs of the web members are connected with the lower chord members; the two ends of the cross rod of the T-shaped connecting structure are connected with the lower chord, and the free end of the vertical rod is connected with the upper chord.

In the embodiment of the utility model, the bottom die is a composite bottom die.

In the embodiment of the utility model, the width of the composite material bottom die is 600mm-4200mm, the length of the composite material bottom die is 1000mm-12000mm, and the thickness of the composite material bottom die is 5mm-50 mm.

In the embodiment of the utility model, the thickness of the composite material bottom die is 15mm, and the upper surface of the composite material bottom die is subjected to napping treatment.

In an embodiment of the present invention, the upper chord and/or the lower chord of the truss may be steel bars or steel pipes.

In an embodiment of the present invention, the second connecting member may be a straight-line structure, a cross-shaped structure or a mesh structure, and when the second connecting member is a cross-shaped structure or a mesh structure, one end of the third connecting member is disposed at an intersection of the cross-shaped structure or the mesh structure.

In an embodiment of the utility model, the distance between the third connecting pieces along the first direction is 200mm-300mm, and the distance between the third connecting pieces along the second direction is 400mm-800 mm.

In an embodiment of the utility model, the second connecting piece and the third connecting piece, the third connecting piece and the first connecting piece, and the first connecting piece and the truss are connected by a welding mode or a clamping mode, wherein the welding mode is at least one of flash butt welding, arc welding, electroslag pressure welding, resistance spot welding and steel bar gas pressure welding.

The technical scheme provided by the embodiment of the utility model can have the following beneficial effects:

according to the disassembly-free bottom die truss floor support plate disclosed by the embodiment of the utility model, the truss can be firmly fixed on the bottom die through the connecting assembly, on one hand, manual steel bar binding is not required to be carried out on a construction site, so that the construction time and the labor cost are saved, on the other hand, welding is not required to be carried out on the bottom die, the problem of later pouring slurry leakage caused by welding and transmission of bottom die welding spots is avoided, meanwhile, the disassembly of the bottom die is not required, the engineering quality is improved, the construction progress of a project is accelerated, secondly, the disassembly-free bottom die can be directly plastered and decorated, a ceiling is not required, the anti-cracking performance is high, cracks are not easy to generate in the transportation process, and the yield is high.

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 bottom die truss floor deck without dismantling in an exemplary embodiment of the utility model;

FIG. 2 is a schematic top view of a bottom die truss deck according to an exemplary embodiment of the present disclosure;

FIG. 3 is a schematic side view of a demolition-free bottom die truss floor deck according to an exemplary embodiment of the utility model;

FIG. 4 shows a schematic view of a connection assembly configuration in an exemplary embodiment of the utility model;

fig. 5 is a schematic flow chart illustrating a method for manufacturing a bottom die removal-free truss floor deck according to an exemplary embodiment of the utility model.

The connecting structure comprises a bottom die, a second connecting piece, a third connecting piece, a first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece, a fifth connecting piece, a sixth connecting piece, a fifth connecting piece, a sixth connecting piece, a fifth connecting piece, a sixth connecting piece, a connecting piece and a connecting piece, a T, a connecting piece, a bottom die, a connecting piece, a lower, 201, a T, a bottom die and a T, a bottom die and a bottom die, a bottom, a top, a bottom, a top, a bottom.

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 utility model, which 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.

In the present exemplary embodiment, a detachment-free bottom mold 101 truss floor deck is first provided. Referring to fig. 1, the detachment-free bottom truss floor deck may include: the device comprises a bottom die 101, a plurality of connecting assemblies and a plurality of trusses; the bottom die 101 is a flat plate with a preset thickness; the connecting assemblies are arranged on the bottom die 101 at certain intervals along a first direction, each connecting assembly comprises a plurality of connecting bases arranged along the first direction and first connecting pieces 104 arranged on the plurality of connecting bases, the connecting bases are partially arranged in the bottom die 101 and partially protrude out of the upper surface of the bottom die 101 by a preset distance, and the first connecting pieces 104 are connected with protruding parts of the connecting bases; the trusses are parallel to each other and are arranged on the bottom die 101 along a second direction, are perpendicular to the first connecting piece 104 and are fixed on the first connecting piece 104.

Specifically, the disassembly-free truss floor support plate is composed of three parts: the device comprises a bottom die 101, a plurality of connecting assemblies and a plurality of trusses; the die block 101 can be mechanical extrusion forming also can be pouring forming, a plurality of coupling assembling keep a definite distance apart each other and set up on the die block 101 along the first direction, a plurality of trusses are parallel to each other and set up on coupling assembling's first connecting piece 104 and perpendicular with first connecting piece 104 along the second direction, it can be known from this that coupling assembling and truss set up on the die block 101 mutually perpendicular, corresponding effort has all been played on the first direction of building carrier plate and the second direction, building carrier plate rigidity in two directions has been improved, the bearing capacity of building carrier plate has been improved and the risk of fracture and deformation has been reduced, and simultaneously, can fix a position the alignment through first connecting piece 104 between a plurality of building carrier plates when the construction, more convenient and fast. The connecting assembly and the truss may be made of steel, alloy or other materials, and are not specifically limited herein, the first connecting member 104 may be a rod with a circular cross section, a rod with a rectangular cross section or a rod with another cross section, the diameter of the inner circle of the cross section may be 4.5mm to 20mm, and the preset distance of the connecting base protruding the upper surface of the bottom die 101 is 15mm to 40 mm.

Above-mentioned exempt from to tear open die block 101 truss floor carrier plate, can be comparatively firm fixing the truss on die block 101 through coupling assembling, on the one hand need not carry out artifical reinforcement at the job site, engineering time and human cost have been practiced thrift, on the other hand, need not weld on die block 101, the later stage that the biography led to the fact is welded to the 101 solder joints of die block has been avoided and the hourglass thick liquid problem is pour, also need not carry out dismantling of die block 101 simultaneously, engineering quality has been improved and the construction progress of project has been accelerated, secondly, exempt from to tear open die block 101 and can directly plaster the fitment, it is strong to need not to carry out furred ceiling and anti-cracking property, be difficult for producing the crackle in the transportation, the yield is high.

The connection structure of the bottom die 101 and the connection assembly was subjected to a drawing test, and the results are shown in table 1.

TABLE 1 destructive load that the bottom die design thickness can withstand

Next, the parts of the above-mentioned non-dismantling bottom form 101 steel bar truss floor deck of the present exemplary embodiment will be described in more detail with reference to fig. 1 to 4.

In one embodiment, the connection base includes a second connection member 102 and a third connection member 103, the second connection member 102 is disposed in the bottom mold 101 in parallel with the bottom mold 101, the third connection member 103 is perpendicular to the bottom mold 101, one end of the third connection member is disposed on the second connection member 102, and the other end of the third connection member protrudes out of the upper surface of the bottom mold 101 by a predetermined distance. Specifically, second connecting piece 102 sets up in die block 101 inside apart from die block 101 bottom surface 2mm-15mm department, has improved the rigidity of die block 101 on the one hand, and on the other hand makes the third connecting piece 103 of connection on second connecting piece 102 be difficult for pulling out, makes connection base's fastness and stability better, thereby makes the first connecting piece 104 of connection on the base connect more firmly, third connecting piece 103 can be made for steel, alloy or other materials, and the circle diameter can be 4.5mm-20mm in its cross section, third connecting piece 103 is outstanding the height of die block 101 upper surface is 15mm-40 mm.

In one embodiment, the truss includes an upper chord 201, a lower chord 202, web members 203, and T-shaped connecting structures 204; the upper chord 201 and the lower chord 202 form a triangular prism structure, and the lower chord 202 is close to two edges of the bottom die 101 and is fixed with the first connecting piece 104; the web member 203 is of a wave-shaped structure, the wave crest of the web member 203 is connected with the upper chord 201, and the wave trough is connected with the lower chord 202; two ends of a cross rod of the T-shaped connecting structure 204 are connected with the lower chord 202, and the free end of a vertical rod is connected with the upper chord 201. Specifically, the truss is a triangular prism-shaped structure and is stable relative to other shapes, meanwhile, the wave crests and the wave troughs of the web members 203 and the shapes formed by the upper chords 201 and the lower chords 202 can be triangular, the triangular shape is more stable and not easy to deform relative to other shapes, so that the truss has better pressure bearing capacity, the T-shaped connecting structures 204 are arranged at two ends of the truss, and the floor support plates can be connected through the T-shaped connecting structures 204 when being connected; the truss is fixed with the first connecting piece 104 through the lower chord 202, and the connecting mode is more direct in stress and firmer in connection relative to the mode that the web members 203 are fixed with the first connecting piece 104. The dimensional parameters of the truss and the dimensional parameters of the upper chord 201, the lower chord 202, the web members 203 and the T-shaped connecting structure 204 are related to the material of the truss, the size of the bottom die 101 and the construction requirements.

In one embodiment, the bottom mold 101 is a composite bottom mold 101, 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. Specifically, the composite material is used as the bottom die 101 of the floor support plate, and under the same geometric dimension and load condition, the composite material of the material has higher strength, larger ductility, very strong energy absorption capacity and crack control capacity, strong durability, and can greatly reduce the thickness of the floor support plate on the basis of ensuring the bearing capacity of the floor support plate, thereby reducing the weight of the floor support plate, on one hand, the larger clear height can be provided for a house by reducing the thickness, and on the other hand, the transportation efficiency and the construction speed of the floor support plate can be improved to a certain extent by reducing the weight; and the composite material also has better fireproof performance, and the fireproof safety of the building is improved.

In one embodiment, the composite bottom mold 101 has a width of 600mm to 4200mm, a length of 1000mm to 12000mm, and a thickness of 5mm to 50 mm. Specifically, the composite bottom die 101 is used, the thickness of the composite bottom die is kept to be 5mm-50mm, so that the universal engineering requirements can be met, in the prior art, the thickness of the bottom die 101 of the floor support plate made of other materials is generally required to be at least guaranteed to be more than 60mm, so that the bearing requirements can be met, and the thickness and the weight are greatly increased.

In one embodiment, the composite bottom die has a thickness of 15 mm.

In one embodiment, the composite bottom mold 101 is roughened on its upper surface. Specifically, the roughening treatment is performed on the upper surface of the bottom mold 101, so that the bonding capability between the bottom mold 101 and the subsequently poured concrete can be improved, the bonding is firmer, and the layered cracking is not easy to occur.

In one embodiment, the upper chord 201 and the lower chord 202 of the truss may be steel bars or steel tubes. Specifically, the upper chord 201 and the lower chord 202 of the truss can be steel bars or steel pipes, the steel pipes have better bearing capacity relative to the steel bars, and whether the steel bars are specifically used for the upper chord 201 and the lower chord 202 or the steel pipes can be selected according to engineering requirements, for example, when the upper chord 201 and the lower chord 202 are the steel bars, the diameters of the steel bars are 6mm to 22mm, and when the web members are the steel bars, the diameters of the web members are 4mm to 12 mm.

In one embodiment, the second connection member 102 may have a straight shape, a cross shape, or a mesh structure, and when the second connection member 102 has a cross shape or a mesh structure, one end of the third connection member 103 is disposed at an intersection of the cross shape or the mesh structure. Specifically, the second connecting member 102 may be made of steel, alloy, or other materials, which are not specifically limited herein; when the second connecting member 102 is in a straight shape, the inner circle diameter of the cross section of the material can be 4.5mm-8mm, when the second connecting member 102 is in a cross-shaped or net-shaped structure, the inner circle diameter of the cross section of the material forming the cross-shaped or net-shaped structure can be 1mm-4mm, and the second connecting member 102 in the cross-shaped or net-shaped structure can improve the crack resistance of the bottom die 101 while saving the material.

In one embodiment, the plurality of third connectors 103 are spaced apart by 200mm to 300mm in the first direction and by 400mm to 800mm in the second direction. Specifically, the distance between the plurality of third connecting members 103 along the first direction is 200mm to 300mm, and the distance between the plurality of third connecting members 103 along the second direction is 400mm to 800mm, which is good for the stability of the first connecting members 104 and the truss, respectively, the too large distance between the first direction may cause unstable connection to the first connecting members 104, and the too large distance between the third connecting members along the second direction may cause unstable connection to the truss; too close can produce the waste of material along the interval between the first direction and along the interval between the second direction, and the quantity of floor carrier plate is very big in the building, can improve construction cost greatly.

In one embodiment, the second connector 102 and the third connector 103, the third connector 103 and the first connector 104, and the first connector 104 and the truss are connected by welding or clamping, and the welding is at least one of flash butt welding, arc welding, electroslag pressure welding, resistance spot welding, and steel bar gas pressure welding. Specifically, the second connecting member 102 and the third connecting member 103, the third connecting member 103 and the first connecting member 104, and the first connecting member 104 and the truss may be connected by a welding method or a clamping method, or may be welded on the basis of the clamping connection to increase the connection firmness, or may be connected by other connecting methods, which is not limited specifically herein. The welding is a processing mode that two or more than two metals of the same kind or different kinds are combined and diffused by atoms by heating, pressurizing or a method of combining the heating and pressurizing or filling the heating and pressurizing with or without filling welding materials, so as to achieve a structure connected into a whole, and the welding device has the advantages of good connection performance, large rigidity of a welding structure, good integrity and the like, has wide application range of flash butt welding, and can weld all metal materials which can be cast by using flash butt welding in principle; the arc welding is that electric arc is used as a heat source, and the physical phenomenon of air discharge is utilized to convert electric energy into heat energy and mechanical energy required by welding, so that the aim of connecting metal is fulfilled; electroslag pressure welding is a pressure welding method which is completed by placing two steel bars into a vertical or oblique (the inclination is in the range of 4: 1) butt joint mode, forming an electric arc process and an electroslag process under a welding flux layer by utilizing welding current to pass through a gap between the two steel bars, generating electric arc heat and resistance heat, melting the steel bars and pressurizing; the resistance spot welding utilizes a spot welding machine to weld crossed reinforcing steel bars, and can be formed into a steel wire mesh or a framework to replace manual binding; the steel bar gas pressure welding adopts oxyacetylene flame to heat the butt joint of two steel bars, so that the steel bars reach a plastic state or a molten state, and then the steel bars are pressurized to finish the pressure welding method; the welding method has the advantages that one can be selected for use in the manufacturing process of the truss floor support plate of the disassembly-free bottom die 101, and a plurality of types of use can be selected according to the characteristics and advantages of the truss floor support plate, and the method is not particularly limited.

According to a second aspect of the embodiments of the present invention, there is provided a method for manufacturing a truss floor deck of a detachment-free bottom mold 101, which can be used for manufacturing a floor deck in any of the above embodiments, and the method may include:

step S101: preparing a composite material by using sand, fly ash, cement, silica fume, water and fiber;

step S102: manufacturing a bottom die by using the composite material, and manufacturing the bottom die by adopting a copying method, a pulp flowing method, a vacuum extrusion molding process or a formwork erecting cast-in-place process, wherein the width of the bottom die is 600-4200 mm, the length of the bottom die is 1000-12000 mm, and the thickness of the bottom die is 5-50 mm;

step S103: manufacturing a plurality of connecting assemblies, wherein each connecting assembly comprises a plurality of connecting bases and first connecting pieces connected with the plurality of connecting bases;

step S104: the connecting component is embedded or inserted backwards, and the connecting base is partially embedded or inserted backwards in the bottom die, so that the connecting base protrudes out of the upper surface of the bottom die by a preset distance;

step S105: manufacturing a truss, wherein the truss comprises an upper chord member, a lower chord member and a web member;

step S106: when the bottom die reaches preset strength, the truss is connected with the connecting assembly to form a floor support plate.

When the bottom die 101 adopts a formwork-supporting cast-in-place process, the bottom die 101 is firstly manufactured according to a preset size, then the connecting assembly is positioned and embedded in the prefabricated bottom die 101 according to the design, then the conforming materials are poured according to the design thickness, and finally the bottom die 101 is maintained. Wherein coupling assembling also can be behind high ductility concrete placement, before the initial set, insert in the die block 101 after fixing a position according to the design.

In one embodiment, 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. Specifically, the composite material of the material has high strength, high ductility, very high energy absorption capacity and crack control capacity, high durability and capability of greatly reducing the thickness of the floor bearing plate on the basis of ensuring the bearing capacity of the floor bearing plate, so that the weight of the floor bearing plate is reduced, on one hand, the larger net height can be provided for a house by reducing the thickness, and on the other hand, the transportation efficiency and the construction speed of the floor bearing plate can be improved to a certain extent by reducing the weight; and the composite material also has better fireproof performance, and the fireproof safety of the building is improved.

In one embodiment, the process of connecting the truss to the connection assembly is: the truss is attached to the first connector 104 in a direction perpendicular to the first connector 104.

In one embodiment, further comprising: and before the bottom die 101 reaches the preset strength, roughening treatment is carried out on the upper surface of the bottom die 101. Specifically, the roughening treatment is performed on the upper surface of the bottom mold 101, so that the bonding capability between the bottom mold 101 and the subsequently poured concrete can be improved, the bonding is firmer, and the layered cracking is not easy to occur.

In one embodiment, the composite bottom die has a thickness of 15 mm.

Above-mentioned exempt from to tear open die block 101 truss floor bearing plate preparation method, can be comparatively firm the fixing on die block 101 with the truss through coupling assembling, on the one hand need not carry out artifical reinforcement at the job site, engineering time and human cost have been practiced thrift, on the other hand, need not weld on die block 101, the later stage that the die block 101 solder joint passed and caused has been avoided pouring the hourglass thick liquid problem, also need not carry out dismantling of die block 101 simultaneously, engineering quality is improved and the construction progress of project has been accelerated, secondly, exempt from to tear open die block 101 and can directly plaster the fitment, need not to carry out furred ceiling and anti-cracking performance is strong, difficult crackle in the transportation, the yield is high.

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 bottom mold 101 are tested according to the relevant regulations of the existing national standards "test method standard 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 bottom die 101 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 compression strength of the bottom die 101 made of the composite material is basically equal to that of C50 concrete, and the bottom die has high-strength compression resistance;

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 show that the high-ductility composite material has good ductility indexes;

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, and are used merely for convenience in describing embodiments of the present invention and for simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention.

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 invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or 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 utility model. 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 utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

Claims

1. The utility model provides an exempt from to tear open die block truss floor carrier plate which characterized in that includes:

the bottom die is a flat plate with a preset thickness;

2. The detachment-free bottom die truss floor support plate according to claim 1, wherein the connection base comprises a second connection member and a third connection member, the second connection member is parallel to the bottom die and is arranged in the bottom die, the third connection member is perpendicular to the bottom die, one end of the third connection member is arranged on the second connection member, and the other end of the third connection member protrudes out of the upper surface of the bottom die by a preset distance.

3. The disassembly-free bottom die truss floor deck according to claim 2, wherein the truss comprises an upper chord, a lower chord, a web member and a T-shaped connecting structure;

4. The disassembly-free bottom die truss floor deck according to claim 1, wherein the bottom die is a composite bottom die.

5. The detachment-free bottom die truss floor deck according to claim 4, wherein the composite bottom die has a width of 600mm to 4200mm, a length of 1000mm to 12000mm, and a thickness of 5mm to 50 mm.

6. The detachment-free bottom die truss floor deck according to claim 5, wherein the thickness of the composite bottom die is 15mm, and the upper surface of the composite bottom die is subjected to galling treatment.

7. The disassembly-free bottom die truss floor deck according to claim 3, wherein the upper chord and the lower chord of the truss are steel bars or steel pipes.

8. The disassembly-free bottom die truss floor support plate as claimed in claim 2, wherein the second connecting member is a straight-line-shaped, cross-shaped or net-shaped structure, and when the second connecting member is a cross-shaped or net-shaped structure, one end of the third connecting member is disposed at a crossing point of the cross-shaped or net-shaped structure.

9. The detachment-free bottom die truss floor deck according to claim 8, wherein the plurality of third connectors are spaced apart by 200mm to 300mm in the first direction and by 400mm to 800mm in the second direction.

10. The detachment-free bottom die truss floor support plate according to claim 9, wherein the second connecting member and the third connecting member, the third connecting member and the first connecting member, and the first connecting member and the truss are connected by welding or clamping, and the welding is at least one of flash butt welding, arc welding, electroslag pressure welding, resistance spot welding, and steel bar gas pressure welding.