CN201891129U

CN201891129U - Full composite material lattice pile

Info

Publication number: CN201891129U
Application number: CN2010202596280U
Authority: CN
Inventors: 刘伟庆; 方海; 王俊; 祝露; 陆伟东; 赵慧敏
Original assignee: Nanjing Tech University
Current assignee: Nanjing Tech University
Priority date: 2010-07-15
Filing date: 2010-07-15
Publication date: 2011-07-06
Anticipated expiration: 2020-07-15

Abstract

An all-composite lattice pile, which is characterized in that it is spliced by several cylindrical bodies, and each cylindrical body is made of a lightweight core material (2) and wrapped on the surface of the lightweight core material and finally vacuum-impregnated to form a grid. The inner fiber cloth layer (3) of the structure is composed, and the outer layer surface of each cylindrical body (2) after splicing is wrapped with the outer fiber cloth layer (1) that is finally introduced into the outer shell by vacuum impregnation. The utility model has the advantages of simple structure, convenient forming, high strength and wide application.

Description

All composite material lattice pile

Technical field

The utility model relates to a kind of full composite material combined built pile, especially a kind of corrosion resistance and good that composite material makes, in light weight, basic pile that intensity is high of all utilizing, it can be used for pier stud, pipe pile foundation, the harbour self-floating dolphin system in civil engineering structure field in the marine environment and can be used as the pier stud of repairing rush construction engineering and electric pole, wind-power electricity generation, high voltage power transmission support member, specifically a kind of all composite material lattice pile.

Background technology

China's traditional structural materials adopts cement, steel etc. mostly, guarantees for Urbanization in China and large-scale basis Facilities Construction provide solid goods and materials.But, no matter be steel or concrete, all be a kind of material of energy consumption, and polluted environment to a great extent, environmental ecology is caused certain influence.In addition, the early stage many object of construction production that adopt steel and concrete constructions, especially large foundation Facilities Engineering Items, because the problem in its durability and application life has appearred influencing in a variety of causes, a large amount of maintenances and reinforcing expense expenditure make people recognize the importance of engineering structures durability.Under such background; since the 90's of last century; for to the saving of limited resources with to the continuous enhancing of environmental protection consciousness, sustainable development becomes the grand strategy target of government, and forms the notion of " sustainability engineering " and " green engineering " gradually.Based on this target, development of new is energy-conservation, ecological, environmental protective, high performance structures material are imperative.By fibrous material mix by a certain percentage with matrix material and the high-performance new material composite material that is compounded to form through certain technology since coming out the forties in 20th century, be widely used in fields such as Aeronautics and Astronautics, boats and ships, automobile, chemical industry, medical science and machineries.

In recent years, composite material is high-strength with it, lightweight, advantage such as corrosion-resistant, and beginning is applied in building and building engineering structure, and is subjected to the extensive concern of engineering circle.Though fibre reinforced composites tensile strength is higher, there is the lower weakness of rigidity simultaneously, and is subjected to the restriction of economic condition.Therefore if will be implemented in large-scale application in the civil engineering, also need fibre reinforced composites are combined with other materials, intensity and the rigidity by innovation structure and moulding process raising member, reduce cost.

Summary of the invention

The purpose of this utility model is that the rigidity that exists at existing composite material pile is low, makes complicated problems, improves a kind of rigidity height, preparation simply, need not all composite material lattice pile that main equipment can be shaped fast.

The technical solution of the utility model is:

A kind of all composite material lattice pile, it is characterized in that it is spliced by some cylindrical body, each cylindrical body is by light-weight filler 2 and be wrapped in finally importing the interior fiber layer of cloth 3 that forms lattice through vacuum impregnation and forming of light-weight filler surface, and each cylindrical body 2 spliced superficies bag Li has finally the outer fiber layer of cloth 1 through vacuum impregnation importing formation shell.

Be formed with the diaphragm of forming with the cloth of parcel 4 mutually between the end face of Pin Jie pile.

Described fiber layer of cloth is carbon fibre cloth layer, glass fiber layer of cloth, basalt fibre layer of cloth or aramid fiber layer of cloth.

Described light-weight filler 2 is foam or timber.

The shape of cross section of described cylindrical body is triangle, trapezoidal, rectangle, square, fan-shaped or arch and polygonal assembly.

The beneficial effects of the utility model:

1. all composite material lattice pile that the utility model proposes, composite material light, high-strength, corrosion resistant characteristics have been made full use of, its deadweight of lattice pile that with the polyurethane foam is core has only concrete 1/10,1/36 of steel, it is concrete 1/5 with the paulownia wood to be that the lattice pile deadweight of core has only, 1/17 of steel.Therefore it can be used as mountain road bridge bearing pile, electric pole, wind-power electricity generation support bar and the bridge repairing rush construction in wartime that the transport crane tool is difficult to arrive.

2. fibrage can adopt and mix or the laying of single fiber multi-angle, and the lattice layer thickness can design according to concrete force request.Each piece wraps up fibrolaminar core and becomes integral body by the resin impregnation that vacuum imports, and has improved the intensity and the rigidity in cross section.

3. the preparation technology who the utility model proposes implements conveniently, and need not large-scale extruding equipment is plastic various complex cross-sectional.

Description of drawings

Fig. 1 utilizes the cross section of the utility model method preparation to be the schematic diagram of solid octagonal complete compound lattice pile.

Fig. 2 is the longitudinal sectional view of the pile of Fig. 1.

Fig. 3 is the schematic cross-section that all utilizes the pile of the present utility model that the triangle spliceosome is spliced to form.

Fig. 4 is the sectional schematic diagram of circular pile of the present utility model.

Fig. 5 is the sectional schematic diagram of the pile of rectangle of the present utility model.

Fig. 6 is the sectional schematic diagram of the octagon pile of hollow of the present utility model.

Fig. 7 is the structural representation of part assembly unit body of the present utility model.

Fig. 8 is the square body schematic diagram for the treatment of the pile that vacuum imports that matches with Fig. 1.

Fig. 9 is the perspective view after pile shown in Figure 8 is shaped.

Figure 10 has the pile structural representation of tapering once.

The specific embodiment

Below in conjunction with drawings and Examples the utility model is further described.

Embodiment one.

Shown in Fig. 1,7,8,9.

A kind of octagon all composite material lattice pile, it is spliced by some cylindrical body, each cylindrical body is by light-weight filler 2 and be wrapped in finally importing the interior fiber layer of cloth 3 that forms lattice through vacuum impregnation and forming of light-weight filler surface, and each cylindrical body 2 spliced superficies bag Li has finally the outer fiber layer of cloth 1 through vacuum impregnation importing formation shell.Its manufacture method is:

The first step, the shape according to the pile of final shaping is decomposed into it by being four cuboids, four triangle bodies and the column that square is formed, as shown in Figure 1;

Second step, with light-weight filler 2(foam or timber) be processed into four cuboids consistent with above-mentioned shape, four triangle bodies and squares and can be carbon fiber, glass fiber, basalt fibre or aramid fiber with cloth 3() setting is wrapped up on its surface respectively obtain nine intermediates altogether, the shape of each intermediate is as shown in Figure 7;

The 3rd step, nine columns that aforementioned parcel is shaped are combined into a consistent assembly unit body of pile with final shaping, reprocess fibre cloth 3(can be carbon fiber, glass fiber, basalt fibre or aramid fiber) the assembly unit body is wrapped to form an integral body, as shown in Figure 8;

The 4th step, be rolled into whole assembly unit body and pack in the shaping dies above-mentioned, vacuum importing epoxy resin (also can be resins commonly used such as polyurethane resin) dipping setting is carried out in perforate on mould, epoxy resin is infiltrated in the light-weight filler and with the fixed shaping of cloth, the cloth that obtains with parcel is the composite material lattice pile of lattice body 1, as shown in Figure 9.

Pile for length long (length that surpasses core), the pile cross section can be resolved into some simple columns, pack in the shaping dies being rolled into assembly unit body shown in Figure 8 more than two or two, the setting of vacuum importing resin impregnation is carried out in perforate on mould, the cloth that can obtain with vertical parcel is that the cloth that lattice body, end face wrap up is the composite material lattice pile of diaphragm 4, as shown in Figure 2.

Described vacuum importing of present embodiment and dipping temperature are all same as the prior art.

Present embodiment prepares the pile weight of gained and has only 1/10 of ordinary concrete member, 1/36 of steel member, and tensile strength and steel are approaching, are that the lattice pile compressive strength of core and C25 and the concrete axial compressive strength of C30 are approaching with the Balsa cork wood.

Embodiment two.

As shown in Figure 3.

Present embodiment is to form octagonal assembly unit body with the difference of embodiment one and all adopts identical triangle cylinder (totally 8) assembled, and each face of each triangle cylinder all wraps up with cloth.

Embodiment three.

Shown in Fig. 4,7.

The difference of present embodiment and embodiment one be finally the to be shaped circle that forms of pile, this circle is made up of a square, four fan-shaped (Fig. 7 e) and four special-shaped cylinders that are spliced into by arch and gengon (Fig. 7 d).

Embodiment four.

As shown in Figure 5.

The difference of present embodiment and embodiment one the forming of pile that be finally to be shaped is square, and this is square to be spliced by nine squares.

Embodiment five.

Shown in Fig. 6,7.

What the difference of present embodiment and embodiment one was finally to be shaped pile is the anistree opening structure in center, and it is spliced by identical eight prismatoids (as Fig. 7 c).

Embodiment six.

As Figure 10.

The difference of present embodiment and embodiment one is the tapered structure of whole pile body.

The performance that experiment showed, the pile of implementing two～embodiment is the same with embodiment, and its combination property all improves a lot on year-on-year basis.

The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims

1. An all-composite material lattice pile, which is characterized in that it is spliced by several cylindrical bodies, and each cylindrical body is made of a lightweight core material (2) and finally vacuum-impregnated into the surface of the lightweight core material. The inner fiber cloth layer (3) forming a lattice structure is composed, and the outer layer surface of each cylindrical body (2) after splicing is covered with an outer fiber cloth layer (1) that is finally vacuum-impregnated and introduced to form an outer shell.

2. The all-composite lattice pile according to claim 1, characterized in that a transverse diaphragm (4) composed of wrapped fiber cloth is formed between the end faces of the spliced piles.

3. The full-composite lattice pile according to claim 1, characterized in that said fiber cloth layer is carbon fiber cloth layer, glass fiber cloth layer, basalt fiber cloth layer or aramid fiber cloth layer.

4. The all-composite lattice pile according to claim 1, characterized in that the lightweight core material (2) is foam or wood.

5. The all-composite lattice pile according to claim 1, characterized in that the cross-sectional shape of the columnar body is a combination of triangle, trapezoid, rectangle, square, sector or arch and polygon.