CN104929036A - Basalt fiber board concrete combined arch ring, manufacturing method thereof and arch bridge - Google Patents
Basalt fiber board concrete combined arch ring, manufacturing method thereof and arch bridge Download PDFInfo
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- CN104929036A CN104929036A CN201510306470.5A CN201510306470A CN104929036A CN 104929036 A CN104929036 A CN 104929036A CN 201510306470 A CN201510306470 A CN 201510306470A CN 104929036 A CN104929036 A CN 104929036A
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Abstract
The invention discloses a basalt fiber board concrete combined arch ring. A basalt fiber board serves as a bottom board of the basalt fiber board concrete combined arch ring. A basalt fiber rib cage composed of basalt fiber ribs serves as a framework of concrete. The basalt fiber board and the basalt fiber rib cage are combined to be an integrated and stereoscopic framework for the arch ring. As basalt fibers have various good properties, the basalt fiber board and the basalt fiber ribs made of basalt fibers have high strength, hardness, sound-insulation performance, fireproof performance, heat preservation performance, acid and alkali resistance, high-temperature stability and other properties. In this way, the problems of a steel bar concrete arch ring are resolved, the use performance of the arch ring is improved, and the service life of the arch ring is prolonged. The invention further discloses a manufacturing method of the basalt fiber board concrete combined arch ring and an arch bridge.
Description
Technical field
The present invention relates to technical field of bridge engineering, especially relate to basalt fibre board concrete combination arch ring and preparation method thereof and arcuately bridge.
Background technology
Basalt fibre, be basalt building stones after 1450 DEG C ~ 1500 DEG C meltings, by the continuous fiber of platinum-rhodium alloy bushing high speed pulling.Basalt fibre all shows excellent performance in many aspects: 1. chemical property, basalt fibre contains K
2o, MgO and TiO
2, make basalt fibre have than the better acid resistance of alkali-free glass fibre, alkali resistance and water-resistant capacity, 2. physical property, basalt belongs to refractory mineral, fusion temperature is more than 1500 DEG C, sintering temperature reaches 1060 DEG C, basalt fibre is made to have excellent high temperature resistant and resistance to low temperature, effective serviceability temperature scope of parabasalt fiber is-260 DEG C ~ 700 DEG C, extraordinary basalt fibre can reach 982 DEG C, its serviceability temperature scope substantially exceeds other classification fibrous material, the sound-absorption coefficient of basalt fibre is greater than other fibers such as glass fiber, it is a kind of desirable sound insulation materials, basalt fibre also has excellent heat-insulating property and electrical insulation capability, a kind of desirable heat insulating material and electric insulation electronic material, 3. mechanical mechanics property, the tensile strength of basalt fibre and alkali-free glass fibre and carbon fiber suitable, its modulus of elasticity is 1.5 times of alkali-free glass fibre, it is 1.9 times of high-strength S glass fiber, from comprehensive mechanical mechanical property, basalt fibre is a kind of fiber between carbon fiber and glass fiber, and being far superior to the chemical fibres such as polypropylene and wood fibre, is a kind of desirable composite material reinforcing fibre, 4. basalt fibre also has excellent high-temperature stability, and along with temperature raises, the fall of its every mechanical property, process based prediction model is all less than alkali-free glass fibre.In addition, the discarded object that the production technology of basalt fibre produces is few, and environmental pollution is little, can directly proceed in ecological environment after product abandonment, without any harm, because of but a kind of genuine green, environment-friendly materials.
Arcuately bridge is a kind of extensive and time-honored Bridge Types of using.Arch ring is the major bearing structures of arcuately bridge.Arch ring mainly can be divided into plate arch, ribbed arch, double curvature arch and case to encircle by its cross-sectional form.Masonry arch bridge, steel arch bridge, concrete arch-type bridge and reinforced concrete arch bridge can be divided into by the material of arch ring.Along with scientific and technological progress, in view of the premium properties of steel concrete, most newly-built arch bridge adopts reinforced concrete arch coil structures pattern.Steel concrete arch ring reinforcing bar binding becomes or is welded into reinforcing cage as skeleton, and mainly bear the falling part of load suffered by arch ring, concrete, as matrix material, mainly bears the pressure portion of load suffered by arch ring.Along with scientific and technological progress, reinforcing bar, as a kind of traditional metal material, embodies deficiency gradually: 1. compared with numerous new material, and the mechanical properties such as its intensity are lower, cause the mechanical property of arch ring lower; 2. the corrosion resistance of reinforcing bar is poor, easily corrodes; 3. the upper limit serviceability temperature of reinforcing bar is lower, at high temperature easily softens; 4. the high-temperature stability of reinforcing bar is poor, declines by a big margin along with environment temperature raises its property indices; 5. reinforcing bar is iron quality metal material, and concrete is main silica containing inorganic material, and the compatibility of the two is poor, and some deficiency above-mentioned all can reduce functional performance and the application life of steel concrete arch ring.
Therefore, how utilizing the basalt fibre with premium properties to overcome current steel concrete arch ring Problems existing is the technical problem that current those skilled in the art need solution badly.
Summary of the invention
In view of this, the object of this invention is to provide a kind of basalt fibre board concrete combination arch ring, this basalt fibre board concrete combination arch ring is using basalt fibre plate as base plate, it is fixed with the basalt fibre muscle cage that basalt fibre muscle is formed, concrete is using this basalt fibre muscle cage as reinforcing material, basalt fibre plate is combined with layer of concrete closely, there is no the metal material such as reinforcing bar, thus solve steel concrete arch ring Problems existing, further increase functional performance and the application life of arch ring.Another object of the present invention is to provide the preparation method of a kind of basalt fibre board concrete combination arch ring.A further object of the invention is to provide a kind of arcuately bridge using above-mentioned basalt fibre board concrete to combine arch ring.
For solving above-mentioned technical problem, technical scheme provided by the invention is:
A kind of basalt fibre board concrete combination arch ring, comprise basalt fibre plate from down to up and layer of concrete, described layer of concrete comprises basalt fibre muscle cage, and described basalt fibre muscle cage is fixedly connected with described basalt fibre plate.
A preparation method for basalt fibre board concrete combination arch ring, comprises the following steps:
1) be that the basalt fibre plate of arc is fixed by longitudinal cross-section, described basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with described basalt fibre plate, many parallel basalt fibre muscle parallel with described basalt fibre plate is fixedly connected with many described vertical basalt fibre muscle and forms basalt fibre muscle cage;
2) with described step 1) in basalt fibre plate be soffit formwork, installation side template and top template form the cavity holding described basalt fibre muscle cage, then at described side template and top template inner surface smearing release agent;
3) toward concreting in described cavity;
4) concrete described in maintenance;
5) remove described side template and top template, obtain basalt fibre board concrete combination arch ring.
Preferably, described step 1) in the preparation method of basalt fibre plate be
1) basalt fibre is processed into basalt fibre yarn, described basalt yam is processed into there is cancellated basalt fibre tabular fabric;
2) at mould inner surface spraying release agent, then by step 1) obtain basalt fibre tabular fabric and be placed in mould, the longitudinal cross-section in the face of described mould and described basalt fibre tabular clothing in contact is arc, filled thermoset toner in described basalt fibre tabular fabric;
3) open the heating function of mould, thermosetting powders is fused into thermosetting resin liquid, then held for some time, make thermosetting resin liquid fully infiltrate basalt fibre tabular fabric;
4) heating function of closing molding, makes thermosetting resin liquid cools solidify;
5) remove mould, obtain the basalt fibre plate that longitudinal cross-section is arc.
Preferably, in described basalt fibre, diameter is the mass percent of the basalt fibre of 0.6 μm ~ 0.9 μm is 60% ~ 70%, and diameter is the mass percent of the basalt fibre of 3 μm ~ 5 μm is 30% ~ 40%.
Preferably, the thickness of described basalt fibre tabular fabric is 1.5cm ~ 3cm, and wherein the diameter of grid is 80 μm ~ 120 μm.
Preferably, described mould comprises heating cabinet and is arranged at 4 pieces of side panels on described heating cabinet, 4 pieces of described side panels are interconnected the casing forming a top-open with described heating cabinet, the longitudinal cross-section of the end face of described heating cabinet is arc, described heating cabinet is provided with the oil-in that conduction oil is flowed into and the oil-out that conduction oil is flowed out, described oil-in is communicated with heat conduction oil sump by oil pump, described oil-out is communicated with heat conduction oil sump by pipeline, and 4 sides of described heating cabinet and the equal Jacket thickness in outside of bottom surface are the heat-preservation cotton of 50mm ~ 80mm.
Preferably, the granularity of the described thermosetting powders of mass percent 70% ~ 80% is more than or equal to 325 orders, and described thermosetting resin is epoxy resin or phenolic resins.
Preferably, the holding temperature of described thermosetting resin liquid is 220 DEG C ~ 260 DEG C, and temperature retention time is 20min ~ 40min.
Preferably, described step 1) in basalt fibre muscle be connected with described basalt fibre plate by the basalt fiber cloth being impregnated with thermosetting resin liquid, when after described thermosetting resin liquid curing, described basalt fibre muscle is fixed on described basalt fibre plate.
One is bridge arcuately, comprises arch ring, and described arch ring is the basalt fibre board concrete combination arch ring described in such scheme or the basalt fibre board concrete combination arch ring prepared by such scheme.
Advantageous Effects of the present invention is:
1. the present invention combines the base plate of arch ring using basalt fibre plate as basalt fibre board concrete, the basalt fibre muscle cage formed using basalt fibre muscle is as concrete skeleton, the two is in conjunction with a composition one, three-dimensional arch ring skeleton, because basalt fibre has multiple premium properties, the basalt fibre plate be made up of basalt fibre and basalt fibre muscle is made to have higher intensity equally, hardness, sound insulation, fire prevention, insulation, the performance such as acid-fast alkali-proof and high-temperature stability, thus solve steel concrete arch ring Problems existing, further increase functional performance and the application life of arch ring, and then improve functional performance and the application life of arcuately bridge.
2. the present invention adopts special basalt fibre plate preparation method: first basalt fibre is processed into basalt fibre yarn, again basalt yam is processed into and there is cancellated basalt fibre tabular fabric, utilize thermosetting powders to be heating and curing, obtain basalt fibre plate.Although raw material is still basalt fibre, but before making sheet, pretreatment is carried out to it, by loose, the basalt fibre do not connected each other is processed into basalt fibre yarn, again basalt fibre yarn is processed into tool effigurate, three-dimensional, multilayer cancellated basalt fibre tabular fabric, improve between basalt fibre and be interconnected, make basalt fibre tabular fabric can serve as the skeleton of basalt fibre plate better, thus improve the mechanical mechanics property of basalt fibre plate, especially intensity, be more suitable for using as structural panel, the present invention is first by solid-state, pulverous thermosetting resin is filled in the hollow grid of basalt fibre tabular fabric, pulverous thermosetting resin can enter tiny grid, all grids can be filled up, make liquid thermosetting resin fully can infiltrate basalt fibre tabular fabric, thermosetting resin after hardening, due to intermolecular cross-linking, form net structure, therefore rigidity is large, hardness is high, heatproof is high, nonflammable, product size good stability, the premium properties of thermosetting resin with basalt fibre tabular fabric is combined, significantly improve the functional performance of basalt fibre plate.
3. owing to adopting basalt fibre plate as base plate, adopting basalt fibre muscle cage as skeleton, when making combinations thereof arch ring reach with steel concrete arch ring equality strength, the thickness of layer of concrete can be reduced, reduce the consumption of concrete material, reduce the deadweight of combination arch ring.
4. the present invention adopts basalt fibre plate as base plate, as casting soffit formwork, can need not install soffit formwork in addition, and be permanent, need not remove, improve operating efficiency, reduce the labour intensity of workman when casting concrete.
Detailed description of the invention
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these descriptions just further illustrate feature of the present invention and advantage, instead of limiting to the claimed invention.
The invention provides a kind of basalt fibre board concrete combination arch ring, comprise basalt fibre plate from down to up and layer of concrete, described layer of concrete comprises basalt fibre muscle cage, and described basalt fibre muscle cage is fixedly connected with described basalt fibre plate.
The present invention combines the base plate of arch ring using basalt fibre plate as basalt fibre board concrete, the basalt fibre muscle cage formed using basalt fibre muscle is as concrete skeleton, the two is in conjunction with a composition one, three-dimensional arch ring skeleton, because basalt fibre has multiple premium properties, the basalt fibre plate be made up of basalt fibre and basalt fibre muscle is made to have higher intensity equally, hardness, sound insulation, fire prevention, insulation, the performance such as acid-fast alkali-proof and high-temperature stability, thus solve steel concrete arch ring Problems existing, further increase functional performance and the application life of arch ring, and then improve functional performance and the application life of arcuately bridge.
Owing to adopting basalt fibre plate as base plate, adopting basalt fibre muscle cage as skeleton, when making combination arch ring reach with steel concrete arch ring equality strength, the thickness of layer of concrete can be reduced, reduce the consumption of concrete material, reduce the deadweight of combination arch ring.
The present invention adopts basalt fibre plate as base plate, as casting soffit formwork, can need not install soffit formwork in addition, and be permanent, need not remove, improve operating efficiency, reduce the labour intensity of workman when casting concrete.
Present invention also offers the preparation method of a kind of basalt fibre board concrete combination arch ring, comprise the following steps:
1) be that the basalt fibre plate of arc is fixed by longitudinal cross-section, described basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with described basalt fibre plate, many parallel basalt fibre muscle parallel with described basalt fibre plate is fixedly connected with many described vertical basalt fibre muscle and forms basalt fibre muscle cage;
2) with described step 1) in basalt fibre plate be soffit formwork, installation side template and top template form the cavity holding described basalt fibre muscle cage, then at described side template and top template inner surface smearing release agent;
3) toward concreting in described cavity;
4) concrete described in maintenance;
5) remove described side template and top template, obtain basalt fibre board concrete combination arch ring.
The preparation method of the basalt fibre board concrete combination arch ring that the present invention also provides employs basalt fiber material, further feature as above-mentioned basalt fibre board concrete combination arch ring is similar to steel concrete arch ring of the prior art: can cast-in-place, also can be prefabricated in workshop, then Assembling; It can be plate arch, ribbed arch, double curvature arch and case arch; Can be solid arch ring, also can be hollow arch ring; Road bridge, railway bridge, road rail bridge, pedestrian bridge, aqueduct bridge, overpass bridge etc. can be applied to.
The preparation method of above-mentioned basalt fibre plate is normally: basalt fibre, bonding agent, other additive are mixed with water, obtain basalt fibre plate after overmolding, drying.Obtain basalt fibre plate to this legal system and carry out microexamination, can see, tiny basalt fibre presents independent individuality, is evenly dispersed in basalt fibre plate, does not connect each other.Basalt fibre, as the reinforcing material of basalt fibre plate, does not connect each other, is just evenly dispersed in matrix, although can improve the functional performance of basalt fibre plate, degree is not high.For this reason, the present invention adopts the preparation method of another basalt fibre plate, and it comprises following steps:
1) basalt fibre is processed into basalt fibre yarn, described basalt yam is processed into there is cancellated basalt fibre tabular fabric;
2) at mould inner surface spraying release agent, then by step 1) obtain basalt fibre tabular fabric and be placed in mould, the longitudinal cross-section in the face of described mould and described basalt fibre tabular clothing in contact is arc, filled thermoset toner in described basalt fibre tabular fabric;
3) open the heating function of mould, thermosetting powders is fused into thermosetting resin liquid, then held for some time, make thermosetting resin liquid fully infiltrate basalt fibre tabular fabric;
4) heating function of closing molding, makes thermosetting resin liquid cools solidify;
5) remove mould, obtain the basalt fibre plate that longitudinal cross-section is arc.
The present invention adopts special basalt fibre plate preparation method: first basalt fibre is processed into basalt fibre yarn, again basalt yam is processed into and there is cancellated basalt fibre tabular fabric, utilize thermosetting powders to be heating and curing, obtain basalt fibre plate.Although raw material is still basalt fibre, but before making sheet, pretreatment is carried out to it, by loose, the basalt fibre do not connected each other is processed into basalt fibre yarn, again basalt fibre yarn is processed into tool effigurate, three-dimensional, multilayer cancellated basalt fibre tabular fabric, improve between basalt fibre and be interconnected, make basalt fibre tabular fabric can serve as the skeleton of basalt fibre plate better, thus improve the mechanical mechanics property of basalt fibre plate, especially intensity, be more suitable for using as structural panel, the present invention is first by solid-state, pulverous thermosetting resin is filled in the hollow grid of basalt fibre tabular fabric, pulverous thermosetting resin can enter tiny grid, all grids can be filled up, make liquid thermosetting resin fully can infiltrate basalt fibre tabular fabric, thermosetting resin after hardening, due to intermolecular cross-linking, form net structure, therefore rigidity is large, hardness is high, heatproof is high, nonflammable, product size good stability, the premium properties of thermosetting resin with basalt fibre tabular fabric is combined, significantly improve the functional performance of basalt fibre plate.
In fibre, the diameter of fiber has important impact to the mechanical mechanics property of fibre, chemical property, physical property and high temperature stability performance, and in general, diameter is less, and the properties of fibre is better, more balanced between properties.For improving the combination property of basalt fibre plate, the present invention uses ultra-fine basalt fiber as raw material in a large number, in above-mentioned basalt fibre, diameter is the mass percent of the basalt fibre of 0.6 μm ~ 0.9 μm is 60% ~ 70%, and diameter is the mass percent of the basalt fibre of 3 μm ~ 5 μm is 30% ~ 40%.
In order to make above-mentioned basalt fibre tabular fabric serve as the skeleton of basalt fibre plate better, in the present invention, the thickness of basalt fibre tabular fabric is 1.5cm ~ 3cm, is preferably 1.8cm ~ 2.5cm; Wherein the diameter of grid is 80 μm ~ 120 μm, is preferably 90 μm ~ 110 μm.
At mould inner surface spraying 2 ~ 3 layers of release agent, be convenient to operation below and carry out basalt fibre plate and be separated with the demoulding of mould, release agent is preferably siliceous release agent, is more preferably silicone oil.Release agent is commercial goods.
Thermosetting powders is epoxy resin or phenolic resins.For making thermosetting powders fully fill netted basalt fibre tabular fabric, answer the granule size of conservative control thermosetting powders, in the present invention, the granularity of the thermosetting powders of mass percent 70% ~ 80% is more than or equal to 325 orders.Thermosetting powders is commercial goods.
In the present invention, mould has two functions, and one is heating function, and thermosetting powders heat fused is become liquid; Two is functional dies, in heating, insulation and cooling curing process, serves as the mould of basalt fibre tabular fabric and thermosetting resin liquid.For functional die, above-mentioned mould has a bottom surface and four sides, surrounds the casing of a top-open.When making basalt fibre plate, basalt fibre tabular fabric is laid in and sprays in the mould of release agent, then toward filled thermoset toner in basalt fibre tabular fabric.For heating function, can only be heated by the bottom surface of mould, can by 2 of mould or whole side heat, jointly can also be heated by bottom surface and whole side, mode of heating can be electrolysis heat, also can be thermal source indirect heating.
In one embodiment of the invention, the present invention preferably adopts in bottom surface thermal source indirect heating, mould comprises heating cabinet and is arranged at 4 pieces of side panels on heating cabinet, 4 pieces of side panels are interconnected the casing forming a top-open with heating cabinet, the longitudinal cross-section of the end face of heating cabinet is arc, 4 sides of heating cabinet and the equal Jacket thickness in outside of bottom surface are the heat-preservation cotton of 50mm ~ 80mm, heating cabinet is provided with the oil-in that conduction oil is flowed into and the oil-out that conduction oil is reserved, oil-in is communicated with heat conduction oil sump by oil pump, oil-out is communicated with heat conduction oil sump by pipeline.
Conduction oil flows in the cavity of heating cabinet as thermal source, transfer heat to thermosetting powders, conduction oil is stored in heat conduction oil sump, the temperature of conduction oil is kept by heat conduction oil sump, conduction oil is squeezed into mould from oil-in by oil pump, conduction oil flows back to heat conduction oil sump through oil-out, thus completes a circulation.The equal Jacket thickness in 4 sides and bottom surface of heating cabinet is the heat-preservation cotton of 50mm ~ 80mm, plays store heat, reduces the effect of thermal losses.
In the present invention, guarantee that thermosetting powders can be fused into liquid by the temperature of conduction oil, and can be incubated thermosetting resin liquid, holding temperature is 220 DEG C ~ 260 DEG C, and temperature retention time is 20min ~ 40min.
After insulation terminates, stop providing conduction oil to heating cabinet, make the high temperature heat conductive oil backflow heat conduction oil sump in heating cabinet, thermosetting resin liquid nature cooling curing, obtains basalt fibre plate.
In order to accelerate the cooling velocity of thermosetting resin liquid, the present invention, after insulation terminates, provides normal temperature or the conduction oil lower than normal temperature to heating cabinet, takes away the heat of thermosetting resin liquid with the conduction oil of low temperature, quick cooling curing thermosetting resin liquid.For this reason, in the present invention, heat conduction oil sump comprises thermal conductance deep fat pond and cold heat conduction oil sump, and oil pump is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by three way cock, and oil-out is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by three way cock.When needs heat, by oil pump, the Heat-transfer Oil Pump of the high temperature in thermal conductance deep fat pond is delivered to heating cabinet, heat fused thermosetting powders; When cooling is needed, by oil pump, the Heat-transfer Oil Pump of the low temperature in cold heat conduction oil sump is delivered to heating cabinet, rapid cooling thermal thermosetting resin liquid, thus decrease the molding time of basalt fibre plate, improve the production efficiency of basalt fibre plate.
Then, basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with basalt fibre plate.The present invention preferably adopts the basalt fiber cloth being impregnated with thermosetting resin liquid to be connected with basalt fibre plate by vertical basalt fibre muscle, and when after the solidification of thermosetting resin liquid cools, basalt fibre muscle is fixed on basalt fibre plate the most at last.
Then, above-mentioned obtained basalt fibre plate is fixed, many parallel basalt fibre muscle parallel with basalt fibre plate are fixedly connected with many vertical basalt fibre muscle and form basalt fibre muscle cage.The present invention preferably adopts the basalt fiber cloth being impregnated with thermosetting resin liquid to be connected with horizontal basalt fibre muscle by vertical basalt fibre muscle, when after the solidification of thermosetting resin liquid cools, and final formation basalt fibre muscle cage.Above-mentioned thermosetting resin liquid is one or more in unsaturated polyester resin, epoxy resin, phenolic resins and epoxy resin
In the present invention, preferably, the preparation method of basalt fibre muscle is from the preparation method of above-mentioned basalt fibre plate except mould is different, and all the other are all identical.
Then, with above-mentioned basalt fibre plate for soffit formwork, installation side template and top template form the cavity holding above-mentioned basalt fibre muscle cage, then at above-mentioned side template and top template inner surface smearing release agent, be convenient to operation below carry out basalt fibre board concrete combination arch ring be separated with the demoulding of template, release agent is preferably siliceous release agent, is more preferably silicone oil.Release agent is commercial goods.
Then, toward concreting in above-mentioned cavity.In order to play the premium properties of basalt fibre further, improve functional performance and the application life of basalt fibre board concrete arch ring, containing the short yarn cutting of basalt fibre in concrete of the present invention, the length of the short yarn cutting of basalt fibre is 5mm ~ 20mm, in concrete, the percentage by weight of the short yarn cutting of basalt fibre is 5% ~ 20%, short for basalt fibre yarn cutting is reasonably mixed in concrete, can while reservation concrete crushing strength advantages of higher, greatly increase concrete tension, shock resistance, wear-resisting, corrosion resistant and the performance such as high temperature resistant, improve concrete application life.The present invention is on the basis of performance and used life of improving basalt fibre board concrete arch ring skeleton, improve the concrete performance and used life of matrix material further, the two combines, thus improves functional performance and the application life of hollowcore slab arch ring on the whole.
Then the above-mentioned concrete of maintenance, finally removes side template and top template, obtains basalt fibre board concrete combination arch ring.
Present invention also offers one arcuately bridge, comprise arch ring, described arch ring is the basalt fibre board concrete combination arch ring described in such scheme or the basalt fibre board concrete combination arch ring prepared by such scheme.
The contents such as the raw material that the present invention does not elaborate, method and device are prior art.
In order to understand the present invention further, be described in detail to basalt fibre board concrete combination arch ring provided by the invention and preparation method thereof below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
Embodiment 1
1) to control diameter in raw material be the mass percent of the basalt fibre of 0.6 μm ~ 0.9 μm is 60%, and diameter is the mass percent of the basalt fibre of 3 μm ~ 5 μm is 40%.Then, basalt fibre is processed into basalt fibre yarn, is processed into by basalt yam and has cancellated basalt fibre tabular fabric, the thickness controlling basalt fibre tabular fabric is 1.5cm, and wherein the diameter of grid is 80 μm.
2) mould comprises heating cabinet and is arranged at 4 pieces of side panels on heating cabinet, 4 pieces of side panels are interconnected the casing forming a top-open with heating cabinet, the longitudinal cross-section of the end face of heating cabinet is arc, 4 sides of heating cabinet and the equal Jacket thickness in outside of bottom surface are the heat-preservation cotton of 50mm, heating cabinet is provided with oil-in and oil-out, oil-in is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by oil pump, and oil-out is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by pipeline.At mould inner surface spraying silicone oil.Then by step 1) obtain basalt fibre tabular fabric and be placed in mould.Then toward filling epoxy resin powder in basalt fibre tabular fabric, wherein the granularity of the epoxy powder of mass percent 70% is more than or equal to 325 orders.
3) by oil pump, the Heat-transfer Oil Pump of the high temperature in thermal conductance deep fat pond is delivered to heating cabinet, heat fused epoxy powder, is incubated epoxy resin liquid, and holding temperature is 220 DEG C, and temperature retention time is 20min.
4) after insulation terminates, make high temperature heat conductive oil in heating cabinet by pipeline backflow thermal conductance deep fat pond, by oil pump, the Heat-transfer Oil Pump of the low temperature in cold heat conduction oil sump is delivered to heating cabinet, quick cooling curing epoxy resin liquid, then remove mould, obtain the basalt fibre plate that longitudinal cross-section is arc.
Basalt fibre plate is obtained to the present embodiment and carries out Performance Detection, the results are shown in Table 1.
5) above-mentioned obtained basalt fibre plate is fixed, basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with basalt fibre plate, many parallel basalt fibre muscle parallel with basalt fibre plate is fixedly connected with many vertical basalt fibre muscle and forms basalt fibre muscle cage.
6) with above-mentioned basalt fibre plate for soffit formwork, installation side template and top template form the cavity holding above-mentioned basalt fibre muscle cage, then smear silicone oil at above-mentioned side template and top template inner surface.
7) toward concreting in above-mentioned cavity, containing the short yarn cutting of basalt fibre in concrete, the length of the short yarn cutting of basalt fibre is 5mm, and in concrete, the percentage by weight of the short yarn cutting of basalt fibre is 5%.
8) curing concrete, finally removes side template and top template, obtains rib of slab type basalt fibre board concrete combination arch ring.
Embodiment 2
1) to control diameter in raw material be the mass percent of the basalt fibre of 0.6 μm ~ 0.9 μm is 65%, and diameter is the mass percent of the basalt fibre of 3 μm ~ 5 μm is 35%.Then, basalt fibre is processed into basalt fibre yarn, is processed into by basalt yam and has cancellated basalt fibre tabular fabric, the thickness controlling basalt fibre tabular fabric is 2cm, and wherein the diameter of grid is 100 μm.
2) mould comprises heating cabinet and is arranged at 4 pieces of side panels on heating cabinet, 4 pieces of side panels are interconnected the casing forming a top-open with heating cabinet, the longitudinal cross-section of the end face of heating cabinet is arc, 4 sides of heating cabinet and the equal Jacket thickness in outside of bottom surface are the heat-preservation cotton of 65mm, heating cabinet is provided with oil-in and oil-out, oil-in is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by oil pump, and oil-out is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by pipeline.At mould inner surface spraying silicone oil.Then by step 1) obtain basalt fibre tabular fabric and be placed in mould.Then toward filling epoxy resin powder in basalt fibre tabular fabric, wherein the granularity of the epoxy powder of mass percent 75% is more than or equal to 325 orders.
3) by oil pump, the Heat-transfer Oil Pump of the high temperature in thermal conductance deep fat pond is delivered to heating cabinet, heat fused epoxy powder, is incubated epoxy resin liquid, and holding temperature is 240 DEG C, and temperature retention time is 30min.
4) after insulation terminates, make high temperature heat conductive oil in heating cabinet by pipeline backflow thermal conductance deep fat pond, by oil pump, the Heat-transfer Oil Pump of the low temperature in cold heat conduction oil sump is delivered to heating cabinet, quick cooling curing epoxy resin liquid, then remove mould, obtain the basalt fibre plate that longitudinal cross-section is arc.
Basalt fibre plate is obtained to the present embodiment and carries out Performance Detection, the results are shown in Table 1.
5) above-mentioned obtained basalt fibre plate is fixed, basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with basalt fibre plate, many parallel basalt fibre muscle parallel with basalt fibre plate is fixedly connected with many vertical basalt fibre muscle and forms basalt fibre muscle cage.
6) with above-mentioned basalt fibre plate for soffit formwork, installation side template and top template form the cavity holding above-mentioned basalt fibre muscle cage, then smear silicone oil at above-mentioned side template and top template inner surface.
7) toward concreting in above-mentioned cavity, containing the short yarn cutting of basalt fibre in concrete, the length of the short yarn cutting of basalt fibre is 10mm, the percentage by weight 10% of the short yarn cutting of basalt fibre in concrete.
8) curing concrete, finally removes side template and top template, obtains rib of slab type basalt fibre board concrete combination arch ring.
Embodiment 3
1) to control diameter in raw material be the mass percent of the basalt fibre of 0.6 μm ~ 0.9 μm is 70%, and diameter is the mass percent of the basalt fibre of 3 μm ~ 5 μm is 30%.Then, basalt fibre is processed into basalt fibre yarn, is processed into by basalt yam and has cancellated basalt fibre tabular fabric, the thickness controlling basalt fibre tabular fabric is 3cm, and wherein the diameter of grid is 120 μm.
2) mould comprises heating cabinet and is arranged at 4 pieces of side panels on heating cabinet, 4 pieces of side panels are interconnected the casing forming a top-open with heating cabinet, the longitudinal cross-section of the end face of heating cabinet is arc, 4 sides of heating cabinet and the equal Jacket thickness in outside of bottom surface are the heat-preservation cotton of 80mm, heating cabinet is provided with oil-in and oil-out, oil-in is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by oil pump, and oil-out is communicated with cold heat conduction oil sump with thermal conductance deep fat pond by pipeline.At mould inner surface spraying silicone oil.Then by step 1) obtain basalt fibre tabular fabric and be placed in mould.Then toward filled phenolic resin powder in basalt fibre tabular fabric, wherein the granularity of the Phenolic resin powder of mass percent 80% is more than or equal to 325 orders.
3) by oil pump, the Heat-transfer Oil Pump of the high temperature in thermal conductance deep fat pond is delivered to heating cabinet, heat fused Phenolic resin powder, be incubated phenolic resins liquid, holding temperature is 260 DEG C, and temperature retention time is 40min.
4) after insulation terminates, make high temperature heat conductive oil in heating cabinet by pipeline backflow thermal conductance deep fat pond, by oil pump, the Heat-transfer Oil Pump of the low temperature in cold heat conduction oil sump is delivered to heating cabinet, quick cooling curing phenolic resins liquid, then remove mould, obtain the basalt fibre plate that longitudinal cross-section is arc.
Basalt fibre plate is obtained to the present embodiment and carries out Performance Detection, the results are shown in Table 1.
5) above-mentioned obtained basalt fibre plate is fixed, basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with basalt fibre plate, many parallel basalt fibre muscle parallel with basalt fibre plate is fixedly connected with many vertical basalt fibre muscle and forms basalt fibre muscle cage.
6) with above-mentioned basalt fibre plate for soffit formwork, installation side template and top template form the cavity holding above-mentioned basalt fibre muscle cage, then smear silicone oil at above-mentioned side template and top template inner surface.
7) toward concreting in above-mentioned cavity, containing the short yarn cutting of basalt fibre in concrete, the length of the short yarn cutting of basalt fibre is 20mm, and in concrete, the percentage by weight of the short yarn cutting of basalt fibre is 20%.
8) curing concrete, finally removes side template and top template, obtains box basalt fibre board concrete combination arch ring.
The performance data of the basalt fibre plate that table 1 various embodiments of the present invention obtain
| Embodiment | Density (g/cm 3) | Tensile strength (MPa) | Modulus of elasticity (GPa) | Bending strength (MPa) |
| Embodiment 1 | 1.93 | 1100 | 88 | 700 |
| Embodiment 2 | 1.97 | 1250 | 95 | 760 |
| Embodiment 3 | 1.95 | 1400 | 100 | 800 |
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.Multiple amendment for these embodiments is that apparent, defined herein General Principle can without departing from the spirit or scope of the present invention, realize in other embodiments for those skilled in the art.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the most wide region consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a basalt fibre board concrete combination arch ring, it is characterized in that, comprise basalt fibre plate from down to up and layer of concrete, described layer of concrete comprises basalt fibre muscle cage, and described basalt fibre muscle cage is fixedly connected with described basalt fibre plate.
2. a preparation method for basalt fibre board concrete combination arch ring, is characterized in that, comprise the following steps:
1) be that the basalt fibre plate of arc is fixed by longitudinal cross-section, described basalt fibre plate is fixedly connected with many vertical basalt fibre muscle vertical with described basalt fibre plate, many parallel basalt fibre muscle parallel with described basalt fibre plate is fixedly connected with many described vertical basalt fibre muscle and forms basalt fibre muscle cage;
2) with described step 1) in basalt fibre plate be soffit formwork, installation side template and top template form the cavity holding described basalt fibre muscle cage, then at described side template and top template inner surface smearing release agent;
3) toward concreting in described cavity;
4) concrete described in maintenance;
5) remove described side template and top template, obtain basalt fibre board concrete combination arch ring.
3. preparation method according to claim 2, is characterized in that, described step 1) in the preparation method of basalt fibre plate be
1) basalt fibre is processed into basalt fibre yarn, described basalt yam is processed into there is cancellated basalt fibre tabular fabric;
2) at mould inner surface spraying release agent, then by step 1) obtain basalt fibre tabular fabric and be placed in mould, the longitudinal cross-section in the face of described mould and described basalt fibre tabular clothing in contact is arc, filled thermoset toner in described basalt fibre tabular fabric;
3) open the heating function of mould, thermosetting powders is fused into thermosetting resin liquid, then held for some time, make thermosetting resin liquid fully infiltrate basalt fibre tabular fabric;
4) heating function of closing molding, makes thermosetting resin liquid cools solidify;
5) remove mould, obtain the basalt fibre plate that longitudinal cross-section is arc.
4. preparation method according to claim 3, it is characterized in that, in described basalt fibre, diameter is the mass percent of the basalt fibre of 0.6 μm ~ 0.9 μm is 60% ~ 70%, and diameter is the mass percent of the basalt fibre of 3 μm ~ 5 μm is 30% ~ 40%.
5. preparation method according to claim 3, is characterized in that, the thickness of described basalt fibre tabular fabric is 1.5cm ~ 3cm, and wherein the diameter of grid is 80 μm ~ 120 μm.
6. preparation method according to claim 3, it is characterized in that, described mould comprises heating cabinet and is arranged at 4 pieces of side panels on described heating cabinet, 4 pieces of described side panels are interconnected the casing forming a top-open with described heating cabinet, the longitudinal cross-section of the end face of described heating cabinet is arc, described heating cabinet is provided with the oil-in that conduction oil is flowed into and the oil-out that conduction oil is flowed out, described oil-in is communicated with heat conduction oil sump by oil pump, described oil-out is communicated with heat conduction oil sump by pipeline, 4 sides of described heating cabinet and the equal Jacket thickness in outside of bottom surface are the heat-preservation cotton of 50mm ~ 80mm.
7. preparation method according to claim 3, is characterized in that, the granularity of the described thermosetting powders of mass percent 70% ~ 80% is more than or equal to 325 orders, and described thermosetting resin is epoxy resin or phenolic resins.
8. preparation method according to claim 3, is characterized in that, the holding temperature of described thermosetting resin liquid is 220 DEG C ~ 260 DEG C, and temperature retention time is 20min ~ 40min.
9. preparation method according to claim 2, it is characterized in that, described step 1) in basalt fibre muscle be connected with described basalt fibre plate by the basalt fiber cloth being impregnated with thermosetting resin liquid, when after described thermosetting resin liquid curing, described basalt fibre muscle is fixed on described basalt fibre plate.
10. an arcuately bridge, comprises arch ring, it is characterized in that, the basalt fibre board concrete combination arch ring of described arch ring prepared by basalt fibre board concrete combination arch ring according to claim 1 or claim 2 ~ 9 any one.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2638480A1 (en) * | 2008-08-01 | 2010-02-01 | Advance Composite Structures Limited | Prefabricated composite panel |
| CN201857691U (en) * | 2010-07-26 | 2011-06-08 | 中冶建筑研究总院有限公司 | Concrete plate-shaped component |
| CN201857697U (en) * | 2010-08-13 | 2011-06-08 | 中冶建筑研究总院有限公司 | Concrete beam frame member |
| CN201873942U (en) * | 2010-11-20 | 2011-06-22 | 大连理工大学 | Fiber reinforce plastic-concrete composite beam |
| CN104032898A (en) * | 2014-06-03 | 2014-09-10 | 南京工业大学 | Three-dimensional fiber gird bar reinforced concrete structural part |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2638480A1 (en) * | 2008-08-01 | 2010-02-01 | Advance Composite Structures Limited | Prefabricated composite panel |
| CN201857691U (en) * | 2010-07-26 | 2011-06-08 | 中冶建筑研究总院有限公司 | Concrete plate-shaped component |
| CN201857697U (en) * | 2010-08-13 | 2011-06-08 | 中冶建筑研究总院有限公司 | Concrete beam frame member |
| CN201873942U (en) * | 2010-11-20 | 2011-06-22 | 大连理工大学 | Fiber reinforce plastic-concrete composite beam |
| CN104032898A (en) * | 2014-06-03 | 2014-09-10 | 南京工业大学 | Three-dimensional fiber gird bar reinforced concrete structural part |
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Effective date of registration: 20161118 Address after: North Guanzhuang Industrial Park in Zhangqiu city of Ji'nan City, Shandong province 250200 China Loie Wright Applicant after: Shandong Juyuan basalt fiber Limited by Share Ltd Address before: The new road 250220 Shandong city of Ji'nan province Zhangqiu City Sheng Jing Street office office building No. 7 Room 201 Applicant before: Intelligence machinery Science and Technology Ltd. is gathered in Shandong Applicant before: Yang Yan Applicant before: Lin Li |
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