CN111196071A - Light high-strength composite material pavement slab and quick connection method thereof - Google Patents

Light high-strength composite material pavement slab and quick connection method thereof Download PDF

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Publication number
CN111196071A
CN111196071A CN202010129676.6A CN202010129676A CN111196071A CN 111196071 A CN111196071 A CN 111196071A CN 202010129676 A CN202010129676 A CN 202010129676A CN 111196071 A CN111196071 A CN 111196071A
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CN
China
Prior art keywords
hole
pavement slab
composite material
pavement
bolt
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Pending
Application number
CN202010129676.6A
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Chinese (zh)
Inventor
李华
王少明
王海常
王慧军
吴银光
惠林海
张璐
张敏
王洪茹
马伟超
金子明
魏化震
王书平
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Shandong Non Metallic Material Research Institute
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Shandong Non Metallic Material Research Institute
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Priority to CN202010129676.6A priority Critical patent/CN111196071A/en
Publication of CN111196071A publication Critical patent/CN111196071A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/08—Temporary pavings
    • E01C9/086—Temporary pavings made of concrete, wood, bitumen, rubber or synthetic material or a combination thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/101—Glass fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/10—Inorganic fibres
    • B32B2262/106—Carbon fibres, e.g. graphite fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2419/00—Buildings or parts thereof

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)

Abstract

The invention discloses a light high-strength composite material pavement slab and a quick connection method thereof, wherein the pavement slab comprises a sandwich board, skins arranged at two sides of the sandwich board and edge seals of the pavement slab arranged at the edge part of the sandwich board, the sandwich board is made of an ultra-light material containing a three-dimensional topological reinforced structure, the light material is provided with a lattice reinforced structure or a honeycomb reinforced structure or a combined reinforced structure, and foam materials are filled in gaps of the reinforced structure; the end parts of the sealing edges of the two adjacent panels are provided with an angular connecting block, the angular connecting block is fixedly connected with the sealing edges of the adjacent panels, and the sandwich board, the skin and the sealing edges of the panels are integrated through bonding. The invention can be used for rapidly constructing temporary roads, temporary airports, temporary places or rapidly repairing large-scale damaged airports, roads and other projects which suffer from explosion and the like, has light weight, high rigidity and strength, large friction coefficient, moisture resistance, corrosion resistance, fatigue resistance and peeling resistance, and is simple, convenient and rapid to assemble.

Description

Light high-strength composite material pavement slab and quick connection method thereof
Technical Field
The invention relates to the technical field of construction of a place and disaster relief and rescue, in particular to a light high-strength composite material pavement slab and a quick connection method thereof.
Background
In wartime and emergency situations, such as disasters like earthquake, flood and the like, in order to rapidly complete disaster relief and rescue work, the construction method often has to have the capability of rapidly constructing temporary places, airports or yards, so as to realize vehicle passing, material supply and personnel transfer in various field conditions and any remote areas, and under severe environment, enough time is often lacked to construct standard concrete airport pavement projects. The traditional airport pavement engineering basically adopts a rapid cement hardening mode, has complex construction and long period, destroys natural field environment and cannot meet the requirements of burst property and fast pace. In China, high-strength steel plates are also commonly used as road panels in engineering, the weight is usually large, the operation cannot be performed by simple personnel, and special mechanical equipment is needed for dismounting and mounting construction. The national defense department of China also appears that the temporary runway is quickly built by adopting the solid glass fiber reinforced plastic pavement panel, but the weight is large, the mechanical cooperation construction is needed, and the requirement of quick construction under the condition of no mechanical equipment can not be fully met.
Disclosure of Invention
Therefore, the invention provides a light-weight high-strength composite material pavement slab for rush construction and rush repair, which has the advantages of light weight, high strength, corrosion resistance and reusability, and a quick connection method thereof.
The invention adopts the following technical scheme:
a light high-strength composite material pavement slab comprises a sandwich board, skins which are arranged on the upper side and the lower side of the sandwich board and are made of fiber reinforced resin matrix composite materials, and pavement slab edge seals which are arranged on the peripheral edge parts of the sandwich board and are made of fiber reinforced composite materials, wherein the sandwich board is made of ultralight material containing a three-dimensional topological reinforced structure, a lattice reinforced structure with pyramid lattice regular arrangement or a honeycomb reinforced structure with Z-direction reinforcement or a combined reinforced structure with three-dimensional grids and composite material columns is arranged in the middle of the sandwich board, and foam materials are filled in gaps of the lattice reinforced structure or the honeycomb reinforced structure or the combined reinforced structure; and the end parts of the two adjacent pavement slab edge seals are provided with angular connecting blocks, and the angular connecting blocks are fixedly connected with the adjacent pavement slab edge seals. And bonding the sandwich board, the skin and the seal edge of the pavement slab into a whole to form the light high-strength composite pavement slab.
N (n is more than or equal to 1) hand holes are arranged at equal intervals on each edge of the sandwich board, a hand hole protection plate matched with each hand hole is arranged in each hand hole, and the upper end surface and the lower end surface of each hand hole protection plate are respectively fixedly connected with the skin; and a sixth through hole is formed in the side wall, far away from the sandwich plate, of the hand hole protection plate, and a first through hole is formed in the position, corresponding to the sixth through hole, of the sealing edge of the pavement slab and is used for quick assembly of the pavement slab.
And the upper end surface and the lower end surface of each hand hole protection plate are fixedly connected with the skin through an adhesive and a rivet respectively.
The skin is of a multi-axial fabric composite knitted felt structure, and the thickness of the skin is 0.8-5 mm; the edge sealing of the pavement slab is of a hollow tubular structure, and the wall thickness of the edge sealing is 3-8 mm; the angle connecting block is solid structure, its cross sectional dimension with the cross sectional inner dimension phase-match of guidance tape banding, just the angle connecting block penetrates adjacent two in the guidance tape banding and adopt the adhesive with the guidance tape banding bonds as a whole.
Two right angle limit portions of angle connecting block are equipped with fourth through-hole and fifth through-hole respectively to and the vertical direction along the level, just the fourth through-hole with intersect perpendicularly between the fifth through-hole, on the road surface board banding with on the angle connecting block the corresponding position of fourth through-hole and fifth through-hole be equipped with respectively with the second through-hole of fourth through-hole intercommunication and with the third through-hole of fifth through-hole intercommunication, just the second through-hole with intersect perpendicularly between the third through-hole.
The sandwich panel 1 can be made of light wood or foam sandwich material; the lattice reinforced structure 11 is a fiber reinforced resin matrix composite material column with an inclination angle of 45-65 degrees in each direction.
The honeycomb reinforced structure comprises a Z-direction reinforced honeycomb wall, wherein polyester foam or polyurethane foam is filled in the honeycomb, and the Z-direction reinforced honeycomb wall is made of fiber reinforced resin matrix composite materials.
The combined reinforcing structure comprises a three-dimensional grid reinforcing network arranged in the middle of the sandwich board and reinforcing columns arranged in each three-dimensional grid reinforcing network, the three-dimensional grid reinforcing network is a sandwich penetrating structure made of fiber reinforced resin matrix composite materials, and the reinforcing columns are fiber reinforced resin matrix composite material columns.
The hand hole is of a hole-shaped structure with a U-shaped section; and the surface of the skin is sprayed with polyurea elastomer through granulation.
The road plate further comprises internal supporting pieces of a pipe type structure with flanges, the internal supporting pieces are uniformly distributed in the main plane of the road plate according to the distance not larger than 300mm, and the internal supporting pieces penetrate through the sandwich plate and the upper and lower skins are fixed on the upper and lower skins through stud or flange nut structures.
A method for quickly connecting light high-strength composite material pavement slabs comprises the following steps:
s1 pavement slab laying
Firstly, paving the pavement slabs in sequence along the length direction or the width direction of the pavement slabs as required, then paving the other pavement slabs in sequence along the same direction and staggered 1/2 pavement slabs at the two sides of the paved pavement slabs, wherein the position of each hand hole on the pavement slabs corresponds to two corners on one hand hole or two adjacent pavement slabs on the adjacent pavement slabs;
s2, connecting the edges of road surface plate
The hand holes of two adjacent road panels are penetrated through the first through holes of the two corresponding road panels one by adopting connecting bolts, and the two adjacent road panels are fixedly connected at the sides;
s3 corner edge connection of road slab
The through holes arranged at the hand holes at the center of the edge of one side of the pavement slab are connected with the corresponding through holes at the corners of the two adjacent pavement slab single boards by adopting a bolt lock structure, so that the corner edges of the pavement slab are fixed.
3 sixth through holes of the hand hole guard plate are arranged on the side wall, far away from the sandwich plate, of the hand hole guard plate at equal intervals along the length direction of the side wall, and the distance between the two sixth through holes on the outermost side of the hand hole guard plate is equal to the distance between the spliced fourth through holes in the corner positions of the two veneer sheets of the two road panels.
The connecting bolt in the step S2 is a bolt with a fixed point and is provided with a buckle nut, one end of the connecting bolt is provided with a base, two sides of the base are provided with spherical bulge structures as fixed points, the connecting bolt penetrates into the first through hole of two adjacent road panels and is clamped into the two corresponding sixth through holes of the hand hole guard plate, and the buckle nut is installed at the thread position on the connecting bolt, so that the edge fixed connection of the two adjacent road panels can be realized.
The bolt lock structure in the step S3 includes a bolt, a bolt and a snap-fit nut, the corner edge connection is formed by matching a bolt and a bolt, the bolt is inserted into the fourth through hole in the horizontal direction from two outermost side guard plate through holes on the hand hole guard plate, the corner position of the pavement slab is inserted into the fourth through hole in the horizontal direction from the lateral side of the connecting block, the bolt is inserted into the fastener of the bolt from the fifth through hole in the vertical direction from the corner position of the pavement slab to the top of the connecting block, a ball on the bolt enters the bolt, the bolt and the bolt are fixed, the snap-fit nut is mounted at the thread position of the bolt, and the corner edge of the pavement slab is fixed.
And the outer sides of the end parts of the sealing edges of the road surface plates, which are provided with the second through holes, of the two adjacent road surface plates are provided with outer groove plates, and the bolt lock structure penetrates through the outer groove plates to realize connection between the road surface plate angle angles.
The technical scheme of the invention has the following advantages:
A. the light-weight high-strength composite material pavement slab can be used for quickly constructing temporary roads, temporary airports, temporary places or quickly repairing large-scale damaged airports, roads and other projects suffering from explosion and the like, and has the advantages of light weight, high rigidity and strength, large friction coefficient, moisture resistance, corrosion resistance, fatigue resistance, peeling resistance, simple and quick assembly, and easy maintenance and cleaning.
B. The light high-strength composite material pavement slab can be industrially prepared according to a certain modulus in advance, and can be quickly assembled under severe field conditions such as silt, marsh, mudflat and the like in case of emergency to form a road for vehicles to pass through, an airport pavement for airplanes to take off and land, and the like, and meanwhile, the pavement slab can be repeatedly used for many times without damaging the field environment.
C. The light high-strength composite material pavement slab adopts a flexible bolt lock connection mode and is provided with a special tool, the connection time of each pavement slab is less than 1 minute, and the pavement slabs can be quickly connected.
D. The light high-strength composite material pavement slab has light weight, can be easily carried by two persons by adopting the double-claw sucker, does not need special mechanical equipment, and can be disassembled and assembled in the field without power supply.
E. The light high-strength composite material pavement slab is simple and convenient to disassemble and assemble, and can be constructed on duty through simple operation training.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings which are needed to be used in the embodiments will be briefly described below, and it is apparent that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained from the drawings without inventive labor to those skilled in the art.
FIG. 1 is a schematic view of the overall structure of a light-weight high-strength composite material pavement slab of the present invention;
FIG. 2 is a schematic structural view of a sandwich panel according to the present invention;
FIG. 3 is a schematic view of a sandwich panel structure according to the present invention;
FIG. 4 is a schematic view of a honeycomb structure of the present invention;
FIG. 5 is a schematic view of the edge sealing structure of the center panel according to the present invention;
FIG. 6 is a schematic view of the structure of the angle connection block of the present invention;
FIG. 7 is a schematic view of the hand hole protector of the present invention;
FIG. 8 is a schematic view of the construction of the elongated bolt of the present invention;
FIG. 9 is a schematic view of the edge connection of the middle panel of the present invention;
FIG. 10 is a schematic view of the latch lock arrangement of the present invention;
FIG. 11 is a schematic view of a bolt structure according to the present invention;
FIG. 12 is a schematic view of the latch of the present invention;
FIG. 13 is a schematic view of the corner edge connection of the road panel according to the present invention;
FIG. 14 is a schematic structural diagram (I) of the light-weight high-strength composite material pavement slab after splicing;
FIG. 15 is a schematic structural view (II) of the light high-strength composite material pavement slab after splicing;
FIG. 16 is a schematic view of the position of the internal support structure of the present invention.
The labels in the figure are as follows:
1-sandwich board, 11-lattice reinforced structure, 12-combined reinforced structure, 121-three-dimensional grid reinforced network, 122-reinforced column, 13-hand hole, 14-honeycomb reinforced structure and 141-honeycomb wall; 2-covering; 3-sealing edges of the road panel, 31-a first through hole, 32-a second through hole and a third through hole; 4-angular connecting block, 41-fourth through hole, 42-fifth through hole; 5-hand hole guard board, 51-sixth through hole; 6-internal support; 7-a strip bolt; 8-bolt lock structure, 81-bolt, 811-fastener, 812-counter bore, 82-bolt, 821-spring, 822-steel ball and 83-snap nut; 9-outer trough plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the invention provides a light-weight high-strength composite material pavement slab, which comprises a sandwich board 1, skins 2 which are arranged at the upper side and the lower side of the sandwich board 1 and are made of fiber reinforced resin matrix composite materials, and pavement slab edge seals 3 which are arranged at the edges of the sandwich board 1 and are made of fiber reinforced composite materials, wherein the sandwich board 1 penetrates through the whole cross section of the pavement slab and is provided with an ultra-light material containing a three-dimensional topological reinforcing structure, the three-dimensional topological reinforcing structure between the upper plate surface and the lower plate surface of the sandwich plate 1 is a lattice reinforcing structure 11 which is regularly arranged in a pyramid lattice or a honeycomb reinforcing structure 14 which is reinforced in a Z direction or a combined reinforcing structure 12 which is formed by adding composite material columns to three-dimensional grids so as to improve the compression resistance, the shearing resistance and the stripping resistance of the sandwich plate 1, filling foam materials in gaps of the lattice reinforcing structure 11 or the honeycomb reinforcing structure 14 or the combined reinforcing structure 12; the end part of a hollow or vertical rib-containing road slab edge sealing 3 in the road slab single board forms a 45-degree angle, the inner space is connected into a whole rectangular frame through an angular connecting block 4, the sandwich board 1 is positioned inside the edge sealing, the upper skin 2 and the lower skin 2 cover the sandwich board 1 and the road slab edge sealing 3, and the angular connecting block 4 is fixedly connected with the adjacent road slab edge sealing 3 and used for bonding the sandwich board 1, the skin 2 and the road slab edge sealing 3 into a whole through an adhesive. The light-weight high-strength composite material pavement slab can be used for quickly constructing temporary roads, temporary airports and temporary sites or used for quickly repairing large-scale damaged airports, roads and other projects which suffer from explosion and the like, and has the advantages of light weight, high strength, high rigidity, moisture resistance, corrosion resistance, fatigue resistance, peeling resistance, and easiness in maintenance and cleaning. In addition, the pavement slab can be industrially prepared according to a certain modulus in advance, when an emergency occurs, the pavement slab can be quickly assembled under severe field conditions such as silt, marsh and the like to form a road for traffic, an airport pavement for taking off and landing of an airplane and the like, and meanwhile, the pavement slab can be repeatedly used for many times without damaging the field environment.
The skin 2 is made of glass fiber, carbon fiber or aramid fiber multi-axial fabric reinforced resin matrix composite materials, and is formed by adopting a die pressing process or a vacuum introduction process, wherein the resin matrix is one of epoxy resin, vinyl ester resin, phenolic resin and the like. The material of the road panel edge sealing 3 is a glass fiber, carbon fiber or aramid fiber multiaxial fabric reinforced resin matrix composite material, and is prepared by adopting a pultrusion process, and the resin matrix is one of epoxy resin, vinyl ester resin and phenolic resin. The materials of the lattice reinforcing structure 11 and the three-dimensional grid reinforcing network 121 are consistent with those of the skin material, and are integrally formed during forming.
Furthermore, n (n is more than or equal to 1) hand holes 13 are arranged at equal intervals on each edge of the road panel, the interval is smaller than 500mm in principle, and the number of the hand holes 13 is determined according to the size of the road panel and can be in one-to-one correspondence with the connecting holes on the corners. For the rectangle guidance tape that length dimension is less than 2m, can be equipped with 3 or 5 hand holes 13 at every long limit portion equidistant of guidance tape, be equipped with 1 hand hole 13 at every short limit portion equidistant of guidance tape, be equipped with rather than assorted hand hole backplate 5 in every hand hole 13, every hand hole backplate 5 passes through flange structure cladding in the covering 2 and the battenboard 1 outside to pass through adhesive and rivet fixed connection with covering 2 and battenboard 1 respectively. As shown in fig. 7, a guard plate through hole 51 is provided on the sidewall of the manhole plate hand hole guard plate 5 away from the sandwich panel 1, and a sealing edge through hole 31 is provided at a position of the sealing edge 3 of the manhole plate corresponding to the guard plate through hole 51, for quick assembly of adjacent manhole plates.
The skin 2 is a resin-based composite material with a reinforced multi-axial fabric composite knitted felt structure, and the thickness of the resin-based composite material is 0.8-5 mm. The composite material of the laminated plate structure is easy to generate the layering phenomenon in the use process, and the fiber layers of the laminated plate are woven up and down by adopting the multi-axial fabric composite knitted felt structure, so that the layering is not easy to occur in the use process. As shown in fig. 5, the sealing edge 3 of the pavement slab is of a hollow square or rectangular reinforced tubular structure, and the wall thickness of the sealing edge is 3-8 mm; as shown in fig. 6, the angular connecting block 4 is a solid square structure, and the square cross-sectional dimension thereof matches the cross-sectional inner dimension of the pavement slab sealing edge 3. Two adjacent edges of each straight line section of the angular connecting block 4 are respectively provided with a connecting through hole 41, the connecting through holes 41 on the two adjacent edges are vertically intersected, the end part of the sealing edge 3 of the pavement slab is in an angle of 45 degrees, and the sealing edge is connected into an integral rectangular frame structure through the angular connecting piece 4; two bolt connecting holes are horizontally arranged on each corner of the road surface plate, two bolt connecting holes are vertically arranged and are respectively communicated with the connecting through holes 41 of the angular connecting pieces 4 at the positions, and the two bolt connecting holes are used for quickly assembling the road surface plate.
The sandwich panel 1 can be made of light wood, honeycomb sandwich or foam sandwich materials. When the sandwich board 1 adopts the structure shown in fig. 2, the sandwich material is a light foam material, the lattice reinforced structure 11 is a glass fiber, carbon fiber or aramid fiber multiaxial fabric reinforced resin matrix composite material, the resin matrix is one of epoxy resin, vinyl ester resin, phenolic resin and the like, the inclination angle of each direction is 45-65 degrees, and the reinforced column of the lattice reinforced structure 11 penetrates through the upper and lower skins 2; when the sandwich panel 1 adopts the structure shown in fig. 3, the sandwich material is balsa wood material, the combined reinforcing structure 12 comprises a three-dimensional grid reinforcing network 121 arranged in the middle of the sandwich panel 1 and reinforcing columns 122 arranged in each three-dimensional grid reinforcing network 121, the three-dimensional grid reinforcing network 121 is a sandwich through structure made of fiber reinforced resin matrix composite materials, the reinforcing columns 122 are fiber reinforced resin matrix composite material columns, and glass fiber fabrics are filled in gaps to form a three-dimensional network with the skin material during molding; when the honeycomb reinforced structure 14 shown in fig. 4 is adopted in the center of the sandwich panel, the honeycomb wall 141 is a hexagonal Z-direction reinforced fiber reinforced composite material structure, the honeycomb wall has a certain thickness, the small cross on the honeycomb wall is Z-direction reinforced fiber, the interior of the honeycomb wall is filled with light foam material, the material of the honeycomb wall 141 is the same as that of the skin material, and the honeycomb wall 141 and the skin material form a three-dimensional network during molding.
The hand hole 13 is a hole-shaped structure with a U-shaped section, and the structure of the hand hole guard plate 5 is matched with the hand hole 13, as shown in fig. 1 and 7.
As shown in fig. 16, the road panel structure of the present invention further includes an inner support 6 having a pipe-type structure with flanges, and the inner support 6 penetrates the sandwich panel 1 and the upper and lower skins 2 and is fixed to the upper and lower skins 2 by a stud or nut flange structure. The inner supporting pieces 6 are uniformly distributed in the main plane of the road surface plate, the transverse and longitudinal intervals of the inner supporting pieces are smaller than 300mm, and the inner supporting pieces can enable one supporting piece to bear load when the tire passes through the road surface plate.
The invention also provides a rapid connecting method of the high-strength composite material pavement slab, which comprises the following steps:
s1 pavement slab laying
As shown in fig. 14 and 15, the pavement slabs are laid sequentially along the length direction or the width direction as required, and then the other pavement slabs are laid sequentially along the same direction and staggered 1/2 from the laid pavement slabs along the length direction or the width direction, wherein each hand hole 13 on the pavement slab corresponds to one hand hole 13 on the adjacent pavement slab or two corners on the adjacent two pavement slabs. The side wall of the pavement slab hand hole far away from the sandwich board 1 is provided with a through hole along the length direction, wherein the edge joint is provided with a through hole, the corner joint is provided with two through holes, and the distance between the two through holes is equal to and corresponding to the distance between the connecting through holes on the corner of the other pavement slab. The corner connection is connected with the outer trough plate through the corner connecting through holes 41 or the corner fixing holes 32 on the two track plates.
S2, connecting the edges of road surface plate
As shown in fig. 8 and 9, the hand holes 13 of two adjacent road panels are respectively penetrated by the connecting bolts 7 through the first through holes 31 of the two corresponding road panels, the connecting bolts 7 are bolts with fixed points and are provided with snap nuts, one end of each connecting bolt 7 is provided with a base, the two sides of each base are provided with spherical protruding structures as the fixed points, the connecting bolts 7 penetrate into the first through holes 31 of the two adjacent road panels and are clamped into the corresponding sixth through holes 51 of the hand hole protection plate 5, the snap nuts are arranged at the thread positions of the connecting bolts 7, and the edge fixed connection of the two adjacent road panels can be realized.
S3 corner edge connection of road slab
The through holes (including the sixth through hole 51 on the hand hole guard plate 5 and the first through hole 31 on the pavement slab seal edge 3) arranged at the hand hole position at the center of the edge of one side of the pavement slab are connected with the corresponding through holes at the corners of two adjacent pavement slab veneers by adopting a bolt lock structure 8, as shown in fig. 10-12, the bolt lock structure 8 comprises a bolt 81, a bolt 82 and a buckle type nut 83, wherein the bolt 82 is provided with a small hole, a spring 821 and a steel ball 822 with the diameter of 2mm are arranged in the small hole, and a circular counter bore 812 with the diameter of 2.2mm is arranged at the position of the bolt 81 corresponding to the bolt 82. The corner edge is connected by adopting double bolts and a bolt in a matching way, the bolt 81 is connected by the hand hole guard plate 5 in two horizontal directions on the outermost side, the guard plate through hole 51 is inserted into the other horizontal direction at the corner position of the pavement panel veneer towards the horizontal direction of the side part of the connecting block 4, the bolt 82 is inserted into the vertical direction at the top of the connecting block 4 from the other horizontal direction at the corner position of the pavement panel veneer towards the vertical direction at the corner position of the upper part of the connecting block 41, the fifth through hole 42 is inserted into the clamping part 811 of the bolt 81, and a ball on the bolt enters the bolt 82 to realize the fixation of the bolt 82 and the bolt 81, the buckle type nut 83 is installed at the thread position of the bolt 81 to realize the fixation of the corner edge of the pavement panel, as shown.
In order to improve the connection strength during corner angle splicing, the angular connecting blocks 4 penetrate into the two adjacent pavement slab edge seals 3 and are bonded with the pavement slab edge seals 3 into a whole by adopting an adhesive, so that the acting force of the joint is dispersed on the overall structure of the pavement slab, and the sixth through hole 51 and the fourth through hole 41 which are connected by the bolt lock structure 8 are combined, so that the reliability of corner angle connection of the composite material pavement slab is greatly improved.
S4 corner connection of road slab
Two adjacent be equipped with second through-hole 32 department the tip outside of guidance tape banding 3 is equipped with outer frid 9, bolt lock structure 8 passes outer frid 9 realizes connect between the guidance tape angle. The outer slot plate 9 plays a role of dispersing load when being pressed, and the reliability of corner connection of the road panel at the edge part of the road panel is improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are intended to be within the scope of the invention.

Claims (15)

1. The light high-strength composite material pavement slab is characterized by comprising a sandwich board (1), skins (2) which are arranged on two sides of the sandwich board (1) and are made of fiber reinforced resin matrix composite materials, and pavement slab edge seals (3) which are arranged on the edge parts of the sandwich board (1) and are made of fiber reinforced composite materials, wherein the sandwich board (1) is made of ultralight material containing a three-dimensional topological reinforced structure, a lattice reinforced structure (11) which is regularly arranged in a pyramid lattice manner or a honeycomb reinforced structure (14) which is reinforced in a Z direction or a combined reinforced structure (12) which is formed by adding composite material columns to a three-dimensional grid is arranged between the upper plate surface and the lower plate surface of the sandwich board (1), and foam materials are filled in gaps of the lattice reinforced structure (11) or the honeycomb reinforced structure (14) or the combined reinforced structure (12); two adjacent the tip of guidance tape banding (3) is equipped with angular connecting block (4), angular connecting block (4) rather than adjacent fixed connection between guidance tape banding (3), will battenboard (1) covering (2) with guidance tape banding (3) become a whole through bonding.
2. The light-weight high-strength composite material pavement slab according to claim 1, characterized in that n (n is more than or equal to 1) hand holes (13) are arranged at equal intervals on each edge of the sandwich panel (1), a hand hole guard plate (5) matched with each hand hole (13) is arranged in each hand hole (13), and the upper end surface and the lower end surface of each hand hole guard plate (5) are respectively fixedly connected with the skin (2); keep away from on hand hole backplate (5) be equipped with sixth through-hole (51) on the lateral wall of battenboard (1), curb plate banding (3) with the corresponding position of sixth through-hole (51) is equipped with first through-hole (31), is used for adjacent the quick assembly of curb plate.
3. The light-weight high-strength composite material pavement slab according to claim 2, wherein the upper end face and the lower end face of each hand hole protective plate (5) are fixedly connected with the skin (2) through an adhesive and a rivet respectively.
4. The light-weight high-strength composite material pavement slab according to claim 1, wherein the skin (2) is of a multi-axial fabric composite knitted felt structure, and the thickness of the skin is 0.8-5 mm; the pavement slab edge sealing (3) is of a hollow tubular structure, and the wall thickness of the pavement slab edge sealing is 3-8 mm; the angle connecting block (4) is of a solid structure, the cross section of the angle connecting block is matched with the internal size of the cross section of the pavement slab edge sealing (3), and the angle connecting block (4) penetrates into two adjacent edge sealing strips (3) and is bonded with the pavement slab edge sealing (3) into a whole by adopting an adhesive.
5. The light weight high strength composite material pavement slab according to claim 4, wherein two right-angle side portions of the angular connecting block (4) are respectively provided with a fourth through hole (41) and a fifth through hole (42) along the horizontal direction and the vertical direction, the fourth through hole (41) and the fifth through hole (42) are vertically intersected with each other, a second through hole (32) communicated with the fourth through hole (41) and a third through hole (33) communicated with the fifth through hole (41) are respectively arranged at positions on the pavement slab edge sealing edge (3) corresponding to the fourth through hole (41) and the fifth through hole (42) on the angular connecting block (4), and the second through hole (32) and the third through hole (33) are vertically intersected with each other.
6. The light weight and high strength composite material pavement slab according to claim 1, characterized in that the sandwich panel (1) can be made of light wood or foam sandwich material; the lattice reinforced structure (11) is a fiber reinforced resin matrix composite material column with an inclination angle of 45-65 degrees in each direction.
7. The lightweight, high strength composite pavement slab of claim 1, wherein the cellular reinforcement structure (14) includes Z-direction reinforced cellular walls filled with polyester or polyurethane foam, the Z-direction reinforced cellular walls being fiber reinforced resin based composite.
8. The light weight and high strength composite material pavement slab according to claim 1, wherein the combined reinforcing structure (12) comprises a three-dimensional grid reinforcing network (121) arranged in the middle of the sandwich panel (1) and reinforcing columns (122) arranged in each three-dimensional grid reinforcing network (121), the three-dimensional grid reinforcing network (121) is a sandwich through structure made of fiber reinforced resin matrix composite material, and the reinforcing columns (122) are fiber reinforced resin matrix composite material columns.
9. The light weight high strength composite material pavement slab according to claim 2, wherein the hand holes (13) are of a hole-shaped structure with a U-shaped section; the surface of the skin (2) is sprayed with polyurea elastomer through granulation.
10. The light weight and high strength composite material pavement slab according to any one of claims 1 to 8, characterized in that the pavement slab further comprises internal supporting members (6) of a pipe type structure with flanges, the internal supporting members (6) are uniformly distributed in the main plane of the pavement slab according to a distance of not more than 300mm, and the internal supporting members (6) penetrate through the sandwich plate (1) and the upper and lower skins (2) are fixed on the upper and lower skins (2) through stud or flange nut structures.
11. A method for quickly connecting light high-strength composite material pavement slabs is characterized by comprising the following steps:
s1 pavement slab laying
Firstly, paving the pavement slabs in sequence along the length direction or the width direction of the pavement slabs as required, then paving the other pavement slabs in sequence along the same direction and staggered 1/2 pavement slabs at the two sides of the paved pavement slabs, wherein the position of each hand hole (13) on the pavement slab corresponds to one hand hole (13) on the adjacent pavement slab or two corners on the adjacent two pavement slabs;
s2, connecting the edges of road surface plate
The hand holes (13) of two adjacent road panels penetrate through the first through holes (31) of the two corresponding road panels one by adopting connecting bolts (7), and the two adjacent road panels are fixedly connected at the sides;
s3 corner edge connection of road slab
The through holes arranged at the hand holes at the center of the edge of one side of the pavement slab are connected with the corresponding through holes at the corners of the two adjacent pavement slab single boards by adopting a bolt lock structure (8), so that the corner edges of the pavement slab are fixed.
12. The method for quickly connecting the light-weight high-strength composite material pavement slab as claimed in claim 11, wherein the side wall of the hand hole protection plate (5) far away from the sandwich board (1) is provided with 3 sixth through holes (51) at equal intervals along the length direction thereof, and the interval between the two outermost sixth through holes (51) on the same hand hole protection plate (5) is equal to the interval after splicing the fourth through holes (41) at the corner positions of two pavement slabs.
13. The method for quickly connecting the light-weight high-strength composite material deck boards according to claim 11, wherein the connecting bolt (7) in the step S2 is a bolt with a fixing point and is provided with a snap nut, a base is arranged at one end of the connecting bolt (7), spherical protrusions are arranged on two sides of the base and serve as fixing points, the connecting bolt (7) penetrates into the first through hole (31) of two adjacent deck boards, the spherical protrusions on the connecting bolt (7) are clamped into two corresponding sixth through holes (51) of the hand hole protection plate (5), and the snap nut is mounted on the thread of the connecting bolt (7), so that the edge of two adjacent deck boards can be fixedly connected.
14. The method for quickly connecting a lightweight high-strength composite material pavement slab according to claim 11, wherein the latch lock structure (8) in step S3 comprises a latch bolt (81), a latch (82) and a snap-in nut (83), the corner-corner connection is formed by a double bolt and a latch, the latch bolt (81) is inserted into the other fourth through hole (41) in the horizontal direction of the lateral portion of the angle connecting block (4) at the corner position of another pavement slab from two slab through holes (51) in the horizontal direction on the outermost side of the hand-hole slab (5), the latch bolt (82) is inserted into the latch bolt (82) from the fifth through hole (42) in the vertical direction of the corner position of another pavement slab to the top of the angle connecting block (4), the bolt (82) and the bolt (81) are fixed, the buckle type nut (83) is installed at the thread position of the bolt (81), and the corner edge of the road panel is fixed.
15. The method for quickly connecting the light-weight high-strength composite material pavement slab as claimed in claim 11, wherein the outer side of the end of the pavement slab edge sealing edge (3) where the second through hole (32) is formed is provided with an outer groove plate (9), and the bolt lock structure (8) penetrates through the outer groove plate (9) to realize the connection between the pavement slab corner angles.
CN202010129676.6A 2020-02-28 2020-02-28 Light high-strength composite material pavement slab and quick connection method thereof Pending CN111196071A (en)

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CN113290983A (en) * 2021-04-08 2021-08-24 山东非金属材料研究所 Ultra-light composite material electric heating floor and preparation method thereof
CN114789283A (en) * 2021-01-08 2022-07-26 山东非金属材料研究所 High-strength composite material road surface plate and integrated vacuum brazing forming method thereof
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