CN101979798A - Novel ecological building structure system suitable for building industrialization - Google Patents
Novel ecological building structure system suitable for building industrialization Download PDFInfo
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Abstract
The invention discloses a novel ecological building structure system suitable for building industrialization. A novel high-performance 'tempered composite high-strength wood' composite material is blended and composited by various organic and inorganic materials, such as a wood plastic composite material, a thermosetting high-strength resin inorganic fiber reinforce plastic (FRP) and a novel inorganic polymer binder high-strength core material, and is made into objects in various shapes by special equipment through mature processes such as pultrusion, mould pressing and twisting industrially and mechanically, such as construction members of structural columns, beams, floorslabs, internal and external wall panels required by building construction, and the construction members are transported to a construction site and are quickly positioned and installed on site so as to realize the novel fabricated light building structure system. Compared with the traditional building construction mode, the novel ecological building structure system has the advantages of greatly reducing consumption of main resources such as steel, cement and water, utilizing various renewable resources and various recyclable wastes to the maximum extent, achieving good self-insulation effect, saving energy and reducing emission, reducing the overall comprehensive construction cost of the engineering, and having important economic and social benefits.
Description
Technology is formed:
The present invention relates to utilize Wood plastic composite, thermosetting high-strength resin inorfil cloth reinforced composite (FRP) and the high-strength core of Novel Inorganic Polymers gelling etc. are multiple organic, poly-blended a kind of high-performance novel " the tempering composite high-strength wood " composite material that is combined into of inorganic material, utilize existing ripe pultrusion, mold pressing, technology and special equipment batch production such as winding, mechanization manufactures the object of different shape in a large number, the structural column required as building construction, beam, floor, members such as inside and outside wall board, be transported to the building site then, the on-the-spot a kind of novel assembled light architectural structure system of location and installation fast, simultaneous interpretation system building build model is compared to be had the first mate and reduces steel, cement, the consumption of main resource such as water, utilize the various discarded objects of various renewable resources and recyclable utilization to greatest extent, has good self-heat conserving effect, energy-saving and emission-reduction, reduce engineering overall synthetic cost, have great economy and social double benefit.
Because this novel building structural system used " tempering composite high-strength wood " composite element has from heavy and light, toughness is strong, ductility is good, good mechanical properties such as tension, resistance to compression, stress one strain rule is the two line style regularities of distribution, identical with the stresses typical one strain rule of FRP constraint reinforced concrete, be a kind of novel " similar steel concrete " composite material.
This " tempering composite high-strength wood " member presents the feature of elastic working plastic failure, excellent mechanical property and ductility make it have good seismic resistance, compare the common wood member, mechanical index such as the modulus of elasticity of this " tempering composite high-strength wood " member, modulus of shearing, compressive strength, flexural strength, tangential MOR, axial force, rigidity, amount of deflection are better than the common wood member greatly, can effectively reduce the member section size, reduce integrated cost, significantly reduce resource consumption.
Utilize the three-dimensional stress duty and the various physical and chemical index of this novel " tempering composite high-strength wood " member uniqueness, utilization country existing " Code for design of timber structures ", " wooden house " standard collective drawings, " code for construction and acceptance of timber structure engineering ", " wooden frame assembled wall technical specification " and codes and standards such as " wooden construction test method standards ", simultaneously in conjunction with " Code for design of steel structures " relevant regulations, use for reference simultaneously and utilize external ripe advanced modern wood structure design and fabrication technology, can be widely used in multi-storey building, villa, novel container formula house, light body prefabricated house, new grange, warehouse, the workshop, office building, school, stadiums, the construction of public buildings such as library, the chemical workshop that is specially adapted to the construction of long span building and has anticorrosion to require, the harbour hydraulic architecture, electric wave communication building, machine room etc.
Technical background:
Wooden construction has obtained use widely owing to have advantages such as resource is renewable, environmental protection, thermal insulation, lightweight is attractive in appearance, construction is convenient, antidetonation is durable, particularly in American-European developed country.China's timber buildings has long history in several thousand, but China (just almost felled totally in the eighties in 20th century owing to structure material very lacks in modern age, new plantation structural timber must just can be become a useful person in 50～100 years), country did not have enough foreign exchange reserves again and bought timber from the international market at that time, so that stop using wooden construction, comprise that many universities and colleges all stop the wooden construction course, and it is living to stop culture studies, cause the timber engineering subject to be withered away in China virtually and reach more than 20 year, and it is worthy of note, wooden construction was at more than 20 year of China's stagnation, just period of big step of wooden construction theory and technology development in the world, in American-European developed country, the construction ratio of modern wood structure dwelling house accounts for more than 90%, the maximum span of building of composite wood construction surpasses 150 meters, and theory and technology reaches quite high level.
Along with China's rapid development of economy, building had become the pillar industry of China's economic development already, data shows according to statistics, urban and urual areas of whole country every year is hundred million square metres of floor area of building 20-30, hundred million square metres of annual completion floor area of building 12-14, basically all be the mixed reinforced concrete structure of brick, from the angle of resource and environmental protection, the construction of building is huge to taking and consuming of resource.
According to ASSOCIATE STATISTICS, the cement that national annual completion building is consumed is about about 5～700,000,000 tons, and 1 ton of cement of every manufacturing must discharge 1 ton of carbon dioxide greenhouse gas and a large amount of pernicious gases such as sulfur dioxide in atmosphere.
The whole nation steel material that consumed of annual completion building is about 100,000,000 tons, and 1 ton of steel of every manufacturing must be to carbon dioxide greenhouse gas and the discarded hazardous substancess such as a large amount of industrial tobacco powder dirt, Shanghai slag of airborne release more than 2.5 tons.
In steel concrete and the brick masonry structure architecture construction process, about 3 tons of every square metre of palpus consume water resources, the construction water amount that national annual completion building is consumed is above 4,000,000,000 tons.
By above data as can be seen, the Rapid Expansion of China's rapid development of economy and builing industry is to be based upon on the great cost of very big resource consumption and environment pollution.
Along with the great attention to the environment environmental protection of international community and the Chinese government, recent national premier Wen Jiabao announces to external world on November 26th, 2009, to the year two thousand twenty China per GDP CO2 emissions than decline 40%～45% in 2005.
The Chinese government always does what had been said to the promise of international affairs, but faces immense pressure and practical difficulty simultaneously, realizes that above-mentioned reduction of discharging target is to need the country and the whole society to pay extremely hard and bitter effort jointly could realize.
Under at present big low-carbon economy and industry situation, integrate various resources, promote this novel building structural system and just seem and have important practical significance, if project of the present invention can promote the use smoothly, will produce huge social and economical effects.
Summary of the invention:
The present invention is meant and utilizes renewable biomass fuel discarded object (as straw ash; branch leaf sawdust ash; rice hull ash etc.) and the industrial residue with lateral reactivity (as slag powders; flyash; high alumina calcined coal gangue waste residue powder; mine tailing; the aluminium ore mine tailing. the abandoned mine slurry; the nepheline mine tailing. abandoned mine slurry etc.) etc.; utilization rate reaches more than 80%; add a small amount of zeolite powder as crystal seed; water glass is as exciting agent; admixture small amounts of inorganic expansion agent and active inorganic strengthening agent in addition; manufacture novel inorganic mineral polymer gelling Materials with High Strength at normal temperatures and pressures; add powder of straw; sawdust powder; reproducible natural fiber material such as powdered rice hulls and organic; the compound core that is fabricated to of materials such as inorganic lightweight aggregate; again at its outside compound Wood plastic composite; thermosetting high-strength resin inorfil cloth reinforced composite (FRP); in conjunction with multiple organic; inorganic material is a kind of high-performance of the poly-blended one-tenth of advantage novel " tempering composite high-strength wood " composite material separately; utilize existing ripe pultrusion; mold pressing; technology and special equipment batch production such as winding; mechanization manufactures the object of different shape in a large number; the structural column required as building construction; beam; floor; members such as inside and outside wall board; be transported to the building site then; the on-the-spot a kind of novel assembled light architectural structure system of location and installation fast; simultaneous interpretation system building build model is compared to be had the first mate and reduces steel; cement; the consumption of main resource such as water; utilize the various discarded objects of various renewable resources and recyclable utilization to greatest extent; has good self-heat conserving effect; energy-saving and emission-reduction; protected environment; reduce engineering overall synthetic cost, have great economy and social double benefit.
Realize that the invention described above specifically comprises following method and step:
1. utilize batch production such as Wood plastic composite, thermosetting high-strength resin inorfil reinforced composite, the high-strength core of inorganic gel multi-element mixed compound, utilize them to have complementary advantages separately, reach the instructions for use such as structural safety, function, outward appearance of building.Specifically be divided into:
(1) Wood plastic composite: specifically be meant with plastics, waste or used plastics, powder of straw, sawdust branch powder, the same glass fiber of material of renewable recycle and reuse again such as powdered rice hulls, carbon fiber, basalt fibre, the continuous reinforcing fiber materials of cloth such as ramie natural fiber are compound, by twining, pultrusion, technologies such as mold pressing and special equipment are made different shape such as square, rectangle, circular, hexagon and other abnormal shape, can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), and then the high-strength core of cast Novel Inorganic Polymers gelling is compound in hollow-core construction, also can be according to the member stress situation at the outside inner whole or local compound again thermosetting high-strength resin inorfil cloth reinforced composite of Wood plastic composite or the steel plate of different-thickness, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the post of shape and form, beam, floor, roof panel, members such as inside and outside wall board reach the structural safety of building, multiple functional, requirement such as economic and practical grade.
Renewable recycling materials such as powder of straw, sawdust branch powder, powdered rice hulls also can be by carrying out inorganic matter dipping, filling enhancing to its cell membrane, the hardness of the powder of straw after the processing, sawdust branch powder, powdered rice hulls, intensity etc. all increase considerably.
Wood plastic composite can add a spot of inorganic crystal whisker, silica, nano silicon, calcium carbonate, nano-calcium carbonate etc. and mix inorganic particle in technology manufacture processes such as winding, pultrusion, mold pressing, can increase substantially the fire resistance and the intensity of Wood plastic composite.In manufacture process, can add special-used colour starch, make the finished product of different colours, attractive and durable, brushing paint again, also available dedicated mould, the section bar that pultrusion, mold pressing manufacture different skin texture are as imitative wood-grain plate etc.
(2) thermosetting high-strength resin inorfil reinforced composite (FRP): specifically be meant with unsaturated polyester resin, epoxy resin, vinylite, the same glass fiber of thermosetting high-strength resin such as phenolic resins, carbon fiber, basalt fibre, the continuous reinforcing materials of cloth such as ramie natural fiber are pressed the compound layout of anisotropic orientation, by twining, pultrusion, moulding process such as mold pressing and special equipment are made different shape such as square, rectangle, circular, hexagon and other abnormal shape, can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), and then the high-strength core of cast Novel Inorganic Polymers gelling is compound in hollow-core construction, also can be according to the member stress situation at the steel plate of the outside inner whole or local compound different-thickness again of thermosetting high-strength resin inorfil reinforced composite, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the post of shape and form, beam, floor, roof panel, members such as inside and outside wall board reach the structural safety of building, multiple functional, requirement such as economic and practical grade.
Thermosetting high-strength resin inorfil reinforced composite can add a spot of inorganic crystal whisker, silica, nano silicon, calcium carbonate, nano-calcium carbonate etc. and mix inorganic particle in technology manufacture processes such as winding, pultrusion, mold pressing, can increase substantially the fire resistance and the intensity of thermosetting high-strength resin inorfil cloth reinforced composite.In manufacture process, can add special-used colour starch, make the finished product of different colours, attractive and durable, brushing paint again, also available dedicated mould, the section bar that pultrusion, mold pressing manufacture different skin texture are as imitative wood-grain plate etc.
(3) the high-strength core of novel inorganic mineral polymer gelling: specifically be meant and utilize renewable biomass fuel discarded object (as straw ash, branch leaf sawdust ash, rice hull ash etc.) and the industrial residue with lateral reactivity (as slag powders, flyash, high alumina calcined coal gangue waste residue powder, mine tailing, the aluminium ore mine tailing. the abandoned mine slurry, the nepheline mine tailing. abandoned mine slurry etc.) etc., utilization rate reaches more than 80%, add a small amount of zeolite powder as crystal seed, water glass is as exciting agent, admixture small amounts of inorganic expansion agent and active inorganic strengthening agent in addition, the novel inorganic mineral polymer gelling Materials with High Strength of Zhi Zaoing at normal temperatures and pressures, particular content see patent of invention-" a kind of novel composite ecological cement and goods thereof are used " that the present patent application people declares in addition for details.
For increasing the toughness of the high-strength core of novel Novel Inorganic Polymers gelling, reduce the fragility of the high-strength core of inorganic mineral polymer gel, be adjusted to best linear expansion coeffcient, can add materials such as reproducible natural fiber material such as powder of straw, sawdust powder, powdered rice hulls and organic and inorganic aglite in the high-strength core of novel inorganic gelling, the more excellent density of the high-strength core of novel inorganic gelling is 450 kilograms～2000 kilograms/cubic metre; The line of material coefficient of expansion of thermosetting high-strength resin inorfil cloth reinforced composite and the high-strength core of inorganic gel and Wood plastic composite and the high-strength core of inorganic gel near the time, distortion was basic identical after they were heated, the thermal stress that total produces is less, thereby " tempering composite high-strength wood " new type of component can be born violent difference variation, under the alternating temperature-changing effect, can guarantee the compatibility of deformation between sheathing material and the core, to reach the total optimization comprehensive mechanical property of " tempering composite high-strength wood " composite material.
2. " tempering composite high-strength wood " advanced composite material (ACM) utilizes pultrusion, mold pressing, technologies such as winding and special equipment batch production manufacture the member of different shape in a large number, can be designed and manufactured into roof truss, rack, truss, staggered truss, framework, arch structure, wooden construction pattern that suspended-cable structure etc. are different or steel wood composite construction pattern or multiple new shaped brick wood composite construction pattern, also can utilize existing all advanced wooden construction joint structures and add strong form, connect as structure glue, gummed is implanted reinforcing bar and is connected, the steel-tooth plate connects, high-strength bolt (pin) connects, nail connection etc., also can utilize prefabricated I-shaped grid, i beam, wood shear wall and tabula, the novel wooden construction forms such as serial timber roof truss of finalizing the design produce the novel building of different purposes.
Can take encased structures (to can be round steel pipe and also can be square steel pipe for little high level or highrise building, preferred square steel pipe) and the combination of this NEW TYPE OF COMPOSITE structure, main stressed girder, principal post are encased structures (specifically can with reference to existing related specifications of country and regulation) or H shaped steel; The basis can be little high level of ordinary reinforced concrete or highrise building general basic system, preferred deep pile foundation; Secondary beam, inferior post, floor, wallboard, roof structure all can be this NEW TYPE OF COMPOSITE structure, with reach whole building safety, economy, economize on resources, the comprehensive benefit of environmental protection etc.
Multistory building for the common plane form can adopt the sub-lightweight structures system of novel assembling tub; Multistory building for the sleeve configuration plane form can adopt novel complete " tempering composite high-strength wood " material assembling stagger arrangement truss (also being staggered truss) lightweight structures, also can adopt novel assembling stagger arrangement truss shaped steel-" tempering composite high-strength wood " to mix lightweight structures; Little high level or highrise building for the sleeve configuration plane can adopt novel assembling stagger arrangement truss shaped steel-" tempering composite high-strength wood " to mix the lightweight structures (see figure 1), mix upper chord in the truss at stagger arrangement steel wood, perpendicular web member is selected tempering composite high-strength timber for use, diagonal web member, side column, lower chord is selected shaped steel or steel pipe for use, the main stress post can be selected this NEW TYPE OF COMPOSITE post member or steel tube concrete structure column or H steel column member according to stressing conditions and structure requirement, and the plate system adopts prefabricated " tempering composite high-strength wood " I-joist wood floor or waveform " tempering composite high-strength wood " precast floor slab.
According to " wooden construction test method standard " and other correlation technique standard, by scientific experimentation, detect, calculate the amount of deflection of this " tempering composite high-strength wood " construction material of authentic and valid ground, modulus of elasticity, modulus of shearing, tangential MOR, compressive strength, flexural strength, shear strength, axial force, rigidity, the coefficient of stability, the radius of gyration, slenderness ratio, moment of inertia, mechanical index and data such as area moment, carry out structural analysis and design through common finite element infrastructure software or integrated building structure software, choose the rational sectional dimension of above respective members, to reach whole building safety, economical, economize on resources, the comprehensive benefit of environmental protection etc.
3. novel building structural system of the present invention is that logging material, technology, structure are in the comprehensive structural system of one, be initiative at home at present, designability is strong, optimization appropriate design by form of structure, remedy the whole building insufficient rigidity, as adopt stagger arrangement trussed construction, sandwich, folded structure, domes, add rib structure etc., strengthen the safety of integral body or partial structurtes; Mix inorganic particle by in thermosetting high-strength resin inorfil reinforced composite (FRP) and Wood plastic composite plane materiel, adding a spot of inorganic crystal whisker, silica, nano silicon, calcium carbonate, nano-calcium carbonate etc., can increase substantially the oxygen index (OI) and the intensity of compound plane materiel, make it have anti-flammability and self-extinguishment, in the higher occasion of fire protection requirement, at the outside high-performance inorganic fire prevention class coating that applies of compound plane materiel, can satisfy fire protection requirement.
4. novel building structural system of the present invention, from heavy and light, good toughness, structure stress is efficient and rational, and member ductility is good, utilizes the high-strength light core can obtain required second moment of area, thereby reaches comparatively ideal structural performance.Industrialization factory makes the member of various different sizes in a large number, and architectural industrialization and industrialization are highly advantageous to.Through design and design meticulously; except basis and built-in fitting and joint structure are strengthened a small amount of steel of consumption, the cement; utilize renewable agricultural wastes of environment-friendly type and industrial residue in a large number; turn waste into wealth; significantly reduce the consumption of main resource such as the great deal of steel that causes because of building construction, cement, water; reduce simultaneously the discharging of greenhouse gases in a large number, protected environment, society and remarkable in economical benefits.
5. usefulness of the present invention also is: use the high thermosetting high-strength resin inorfil reinforced composite (FRP) of tensile strength, Wood plastic composite as exterior material, the inorganic mineral polymer gel material that compressive strength is high is as core, when the member pressurized, cladding material can make inner core be in the three-dimensional stress duty, has significantly improved intensity; When member is in when being subjected to curved duty, the compressive stress of pressure zone is born by core, and tensile stress is born by exterior material, and two kinds of materials in tension and compression combinations cooperate with each other jointly, have given full play to material behavior advantage separately; In addition, exterior material is smash perfusion to watering of core and has been played the effect that permanent formwork is gone along with sb. to guard him and protected, and has also played direct decorative effect, has reduced the input of secondary decoration, and comprehensive benefit is good.
6. the basic component of novel building structural system of the present invention, post member, beam, board member require to add at least one presstressed reinforcing steel according to structure stress, presstressed reinforcing steel can be that GFRP strengthens compound muscle, low-carbon (LC) reinforcing bar, steel strand etc., manufacture craft can be a pre-tensioning system, also can be post stretching.
Description of drawings:
Amounting to 5 accompanying drawings assists the specific embodiment for example to understand information such as the stressed method of the structural system of novel building structural system of the present invention and main member, feature, performance, size respectively.
Fig. 1 is that this novel assembling stagger arrangement truss shaped steel-" tempering composite high-strength wood " mixes the lightweight structures schematic diagram.
Fig. 2 is that stub insulated column cushion cap foundational system is flat, facade style diagrammatic series of views, and foundation soil frictional force is pressed 150KN/M
2Calculate, 5 stub insulated column cushion cap infrastructure bearing capacities can reach 700KN.
Fig. 3 is flat for the combined column member, facade style schematic diagram and column arrangement of reinforcement and cross-sectional configuration drawing.
Fig. 4 is girder system row section form and the compound reinforcement construction measure of beam schematic diagram.
Fig. 5 is floor, roof panel, wallboard pattern card.A, B size are calculated adjustment according to beam span or load.
The specific embodiment:
1. basis: according to building actual loading and ground situation, can adopt insulated column basis, strip foundation, stub to add the cushion cap basis, consider that from structural safety and construction combined factors such as convenient preferred stub adds the cushion cap basis; Stub is considered stressed load by friction pile, can be the high-strength preformed pile of ordinary reinforced concrete, steel pipe pile etc., the high-strength stake of preferred 100～150 mm dia prefabrication NEW TYPE OF COMPOSITE inorganic mineral polymer gel materials, 2～4 meters of length, squeeze into the location fast by design radical, position with the small-sized piling of special use, piling machinery building-site, water with the cushion cap basis by designing requirement then and be one, the cushion cap basis can be ordinary reinforced concrete, preferred NEW TYPE OF COMPOSITE inorganic mineral polymer gel material.The preferred NEW TYPE OF COMPOSITE inorganic mineral of structure footing beam polymer gel material is good by the design size prefabrication, water by short column on anti-seismic construction requirement and cushion cap or the cushion cap when on-site pouring pound cushion cap base concrete is treated at the scene of being transported to and be one, whole foundation construction process industrialization, overall efficiency height (seeing Fig. 2 for details).
Illustrating five stubs (2.5 meters of stub length) stake insulated column cushion cap foundational system with Fig. 2 is example, cushion cap 1300*1300*600MM size, (concrete can be ordinary Portland cement class concrete to adopt C35 intensity concrete, also can be this NEW TYPE OF COMPOSITE inorganic mineral polymer gel material concrete, preferred this NEW TYPE OF COMPOSITE inorganic mineral polymer gel material concrete), cushion cap adopts 14MM diameter II level screw-thread steel, use the 100MM spacing, by four limbs stirrup structure requirement colligation, with C35 intensity concrete casting be one, the vertical structure bearing capacity can reach 700KN after 28 days.
2. post member: according to post member actual loading situation, the post member can be one square, circular or other is special-shaped, also can be by a plurality of less square, circular or other special-shapedly be combined into bigger square, circular or other special-shaped shape, so that bigger rigidity and bearing capacity to be arranged well; Can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), and then the high-strength core of cast inorganic gel is compound in hollow-core construction, also can be according to the member stress situation at the steel plate of the outside inner whole or local compound different-thickness again of thermosetting high-strength resin inorfil reinforced composite, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the post member of shape and form, (bamboo reinforcement can be the natural bamboo reinforcement after the common dry preservative treatment can to add the bamboo reinforcement of joining certain sectional dimension and quantity along post member longitudinal direction according to force request, also can be and on the basis of dry preservative treatment, strengthen again handling, as being coated with unsaturated polyester resin outward, epoxy resin, vinylite, the high-strength organic resin of thermosettings such as phenolic resins, perhaps be coated with unsaturated polyester resin outside, epoxy resin, vinylite, composite glass fiber again in the time of the high-strength organic resin of thermosettings such as phenolic resins, carbon fiber, basalt fibre, cloth reinforcing materials such as ramie natural fiber strengthen processing), also can add and join GFRP and strengthen compound muscle, reinforcing bar, cold-drawn low-carbon (LC) reinforcing wire etc., with a nearly step raising post member flexural strength and post member ductility, make it have bigger bearing capacity and better anti-seismic performance.Preferred bamboo reinforcement, it is a renewable resource, environmental protection, economy, efficient.
From stress one strain stress relation angle analysis post member the bear external force process, the high-strength core of this novel inorganic gelling is subjected to vertical compressive stress and constraint compressive stress radially, and outside FRP composite material, Wood plastic composite act on when then being subjected to vertical compressive stress, hoop tensile stress and radial compressive stress.(seeing Fig. 3 for details)
As can be seen from Figure 3, by adjusting the modulus of elasticity of each constituent material of this combined column member, uniaxial compressive strength, poisson's ratio, parameter values such as limit compressive strain, post member experiment with 100*100*400MM is an example, the bamboo reinforcement of 8 10MM diameters is set up in inside, (300 gram standard carbon fiber structurals are reinforced cloth three roads when outside FRP composite material, the compound enhancing of epoxy resin) when being 4MM thickness, the maintenance of the cast high-strength core of inorganic gel (core density is 1200 kilograms/cubic metre) is 28 days in hollow-core construction, can reach about 500KN through its limit axle center compression bearing of experiment test, and common wood only is about 230KN through its limit axle center compression bearing of experiment test under conditions such as same size.
When exterior material is that Wood plastic composite (300 gram standard basalt fiber construction either are reinforced cloth two roads and moulded the compound enhancing of wooden pultrusion) is when being 6MM thickness, the maintenance of the cast high-strength core of inorganic gel (core density is 1100 kilograms/cubic metre) is 28 days in hollow-core construction, can reach about 350KN through its limit axle center compression bearing of experiment test, and common wood only is about 230KN through its limit axle center compression bearing of experiment test under conditions such as same size.
3. beam: according to beam actual loading situation and span, beam can be that a rectangle, square, circle or other are special-shaped, also can be by a plurality of less rectangles, square, circle or other special-shaped being combined into (compound mode can be bonding or also can be to be used simultaneously with the bonding and high-strength bolt bolt of structural adhesive with the high-strength bolt bolt with the application specific architecture adhesive) bigger rectangle, square, circle or other special-shaped shape, so that bigger rigidity and bearing capacity to be arranged well; Can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), and then the high-strength core of cast inorganic gel is compound in hollow-core construction, also can be according to the member stress situation at the steel plate of the outside inner whole or local compound different-thickness again of thermosetting high-strength resin inorfil reinforced composite, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the beam of shape and form, (bamboo reinforcement can be the natural bamboo reinforcement after the common dry preservative treatment can to add the bamboo reinforcement of joining certain sectional dimension and quantity along the beam longitudinal direction according to force request, also can be and on the basis of dry preservative treatment, strengthen again handling, as being coated with unsaturated polyester resin outward, epoxy resin, vinylite, the high-strength organic resin of thermosettings such as phenolic resins, perhaps be coated with unsaturated polyester resin outside, epoxy resin, vinylite, composite glass fiber again in the time of the high-strength organic resin of thermosettings such as phenolic resins, carbon fiber, basalt fibre, cloth reinforcing materials such as ramie natural fiber strengthen processing), also can add and join GFRP and strengthen compound muscle, cold-drawn low-carbon (LC) reinforcing wire etc., with a nearly step raising beam flexural strength and beam ductility, make it have bigger bearing capacity and better anti-seismic performance.Preferred bamboo reinforcement, it is a renewable resource, environmental protection, economy, efficient.
The said structure adhesive can be epoxy resin, vinylite class adhesive, also can be adhesives such as phenolic aldehyde resorcinol and amino resins.
From stress one strain stress relation angle analysis beam the bear external force process, the high-strength core of this novel inorganic gelling is subjected to vertical compressive stress and constraint compressive stress radially, and outside FRP composite material, Wood plastic composite act on when then being subjected to vertical compressive stress, hoop tensile stress and radial compressive stress.(seeing Fig. 4 for details)
As can be seen from Figure 4, by adjusting the modulus of elasticity of each constituent material of this composite beam member, uniaxial compressive strength, poisson's ratio, parameter values such as limit compressive strain, beam experiment with 120*180*1200MM (the high * of wide * is long) is an example, the bamboo reinforcement of 4 13MM diameters is set up in the bottom, (300 gram standard carbon fiber structurals are reinforced cloth two roads when outside FRP composite material, the compound enhancing of epoxy resin) when being 3MM thickness, the maintenance of the cast high-strength core of inorganic gel (core density is 1250 kilograms/cubic metre) is 28 days in hollow-core construction, can reach about 14KN.m through its beaming resistance limit bearing capacity of experiment test, and common wood only is about 6KN.m through its beaming resistance limit bearing capacity of experiment test under conditions such as same size.
When exterior material is that Wood plastic composite (300 gram standard basalt fiber construction either are reinforced cloth two roads and moulded the compound enhancing of wooden pultrusion) is when being 5MM thickness, beam experiment with 120*180*1200MM (the high * of wide * is long) is an example, the maintenance of the cast high-strength core of inorganic gel (core density is 1100 kilograms/cubic metre) is 28 days in hollow-core construction, the bamboo reinforcement of 4 12MM diameters is set up in the bottom, can reach about 10KN.m through its beaming resistance limit bearing capacity of experiment test, and common wood only is about 6KN.m through its beaming resistance limit bearing capacity of experiment test under conditions such as same size.
4. floor, roof panel, wall plate member: according to floor, roof panel, wall plate member actual loading situation and span, floor, roof panel, wall plate member can be a rectangle, triangular wave shape wave or other abnormal shape, also can be by a plurality of less rectangles, square, bigger rectangle of circular or other special-shaped being combined into (compound mode can be bonding or also can be to be used simultaneously with the high-strength bolt bolt with structural adhesive is bonding with the high-strength bolt bolt with the application specific architecture adhesive), triangular wave shape wave or other special-shaped shape are to have bigger rigidity and bearing capacity well; Can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), it is compound also can to pour into a mould the high-strength core of inorganic gel in hollow-core construction, also can be according to the member stress situation at the steel plate of the outside inner whole or local compound different-thickness again of thermosetting high-strength resin inorfil reinforced composite, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the board member of shape and form, (whole round bamboo or bamboo reinforcement can be the natural bamboo reinforcement after the common dry preservative treatment can to add whole round bamboo of joining certain sectional dimension and quantity or bamboo reinforcement along the board member longitudinal direction according to force request, also can be and on the basis of dry preservative treatment, strengthen again handling, as being coated with unsaturated polyester resin outward, epoxy resin, vinylite, the high-strength organic resin of thermosettings such as phenolic resins, perhaps be coated with unsaturated polyester resin outside, epoxy resin, vinylite, composite glass fiber again in the time of the high-strength organic resin of thermosettings such as phenolic resins, carbon fiber, basalt fibre, cloth reinforcing materials such as ramie natural fiber strengthen processing), also can add and join the compound muscle of FRP, cold-drawn low-carbon (LC) reinforcing wire etc., with a nearly step raising board member flexural strength and board member ductility, make it have bigger bearing capacity and better anti-seismic performance.Preferred whole round bamboo or bamboo reinforcement, it is a renewable resource, environmental protection, economy, efficient.
The said structure adhesive can be epoxy resin, vinylite class adhesive, also can be adhesives such as phenolic aldehyde resorcinol and amino resins.(seeing Fig. 5 for details)
As can be seen from Figure 5, (300 gram standard carbon fiber structurals are reinforced cloth two roads when the FRP composite material is adopted in the outside, the compound enhancing of epoxy resin) when being 3MM thickness, the wide 1200MM of triangular wave shape wave floor, thickness of slab 30MM (the high-strength core of cast inorganic gel in the plate, core density is 1100 kilograms/cubic metre), during span 3000MM, take when overlaying the thick OSB shaving board of supporting 20MM thick fiber cement board or 20MM on the figure construction measure face, every square metre of bearing load can reach 3.6KN; When the outside is adopted Wood plastic composite (300 gram standard basalt fiber construction either are reinforced cloth two roads and moulded the compound enhancing of wooden pultrusion) for 5MM thickness, the wide 1200MM of triangular wave shape wave floor, thickness of slab 30MM (the high-strength core of cast inorganic gel in the plate, core density is 1100 kilograms/cubic metre), during span 3000MM, take when overlaying the thick OSB shaving board of supporting 20MM thick fiber cement board or 20MM on the figure construction measure face, every square metre of bearing load can reach 2.8KN.
The above, it only is the preferred embodiment of the technology of the present invention, be not that the technology of the present invention is done any pro forma restriction, though the technology of the present invention discloses as above with preferred embodiment, yet be not in order to limit the technology of the present invention, any those skilled in the art, in not being separated from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to the technology of the present invention essence to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Simultaneously, adopt technologies such as pultrusion, mold pressing can adopt method the above-mentioned associated class, equipment and processing technology to manufacture the Related product of similar purposes as bamboo and wood materials, also belong to the technology of the present invention and make in the scope of embodiment with other material.
Claims (6)
1. manufacture method that is easy to the ecological novel light construction structural system of building industrialization, be to utilize batch production such as Wood plastic composite, thermosetting high-strength resin inorfil reinforced composite, the high-strength core of inorganic gel multi-element mixed compound, utilize them to have complementary advantages separately, reach the instructions for use such as structural safety, function, outward appearance of building.Specifically be divided into:
(1) Wood plastic composite: specifically be meant with plastics, waste or used plastics, powder of straw, sawdust branch powder, the same glass fiber of material of renewable recycle and reuse again such as powdered rice hulls, carbon fiber, basalt fibre, the continuous reinforcing fiber materials of cloth such as ramie natural fiber are compound, by twining, pultrusion, technologies such as mold pressing and special equipment are made different shape such as square, rectangle, circular, hexagon and other abnormal shape, can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), and then the high-strength core of cast Novel Inorganic Polymers gelling is compound in hollow-core construction, also can be according to the member stress situation at the outside inner whole or local compound again thermosetting high-strength resin inorfil cloth reinforced composite of Wood plastic composite or the steel plate of different-thickness, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the post of shape and form, beam, floor, roof panel, members such as inside and outside wall board reach the structural safety of building, multiple functional, requirement such as economic and practical grade.
Renewable recycling materials such as powder of straw, sawdust branch powder, powdered rice hulls also can be by carrying out inorganic matter dipping, filling enhancing to its cell membrane, the hardness of the powder of straw after the processing, sawdust branch powder, powdered rice hulls, intensity etc. all increase considerably.
Wood plastic composite can add a spot of inorganic crystal whisker, silica, nano silicon, calcium carbonate, nano-calcium carbonate etc. and mix inorganic particle in technology manufacture processes such as winding, pultrusion, mold pressing, can increase substantially the fire resistance and the intensity of Wood plastic composite.In manufacture process, can add special-used colour starch, make the finished product of different colours, attractive and durable, brushing paint again, also available dedicated mould, the section bar that pultrusion, mold pressing manufacture different skin texture are as imitative wood-grain plate etc.
(2) thermosetting high-strength resin inorfil reinforced composite (FRP): specifically be meant with unsaturated polyester resin, epoxy resin, vinylite, the same glass fiber of thermosetting high-strength resin such as phenolic resins, carbon fiber, basalt fibre, the continuous reinforcing materials of cloth such as ramie natural fiber are pressed the compound layout of anisotropic orientation, by twining, pultrusion, moulding process such as mold pressing and special equipment are made different shape such as square, rectangle, circular, hexagon and other abnormal shape, can be solid construction, also can be certain wall thickness hollow-core construction (certain wall thickness hollow-core construction also can with ribbingly be strengthened), and then the high-strength core of cast Novel Inorganic Polymers gelling is compound in hollow-core construction, also can be according to the member stress situation at the steel plate of the outside inner whole or local compound different-thickness again of thermosetting high-strength resin inorfil reinforced composite, increase the comprehensive stress performance of composite material, by the actual loading designing and calculating, select suitable material and sectional dimension for use, manufacture different size, the post of shape and form, beam, floor, roof panel, members such as inside and outside wall board reach the structural safety of building, multiple functional, requirement such as economic and practical grade.
Thermosetting high-strength resin inorfil reinforced composite can add a spot of inorganic crystal whisker, silica, nano silicon, calcium carbonate, nano-calcium carbonate etc. and mix inorganic particle in technology manufacture processes such as winding, pultrusion, mold pressing, can increase substantially the fire resistance and the intensity of thermosetting high-strength resin inorfil cloth reinforced composite.In manufacture process, can add special-used colour starch, make the finished product of different colours, attractive and durable, brushing paint again, also available dedicated mould, the section bar that pultrusion, mold pressing manufacture different skin texture are as imitative wood-grain plate etc.
(3) the high-strength core of novel inorganic mineral polymer gelling: specifically be meant and utilize renewable biomass fuel discarded object (as straw ash, branch leaf sawdust ash, rice hull ash etc.) and the industrial residue with lateral reactivity (as slag powders, flyash, high alumina calcined coal gangue waste residue powder, mine tailing, the aluminium ore mine tailing. the abandoned mine slurry, the nepheline mine tailing. abandoned mine slurry etc.) etc., utilization rate reaches more than 80%, add a small amount of zeolite powder as crystal seed, water glass is as exciting agent, admixture small amounts of inorganic expansion agent and active inorganic strengthening agent in addition, the novel inorganic mineral polymer gelling Materials with High Strength of Zhi Zaoing sees patent of invention-" a kind of novel composite ecological cement and goods thereof are used " that the present patent application people declares in addition for details at normal temperatures and pressures.For increasing the toughness of the high-strength core of novel Novel Inorganic Polymers gelling, reduce the fragility of the high-strength core of inorganic mineral polymer gel, be adjusted to best linear expansion coeffcient, can add materials such as reproducible natural fiber material such as powder of straw, sawdust powder, powdered rice hulls and organic and inorganic aglite in the high-strength core of novel inorganic gelling, the more excellent density of the high-strength core of novel inorganic gelling is 450 kilograms～2000 kilograms/cubic metre; The line of material coefficient of expansion of thermosetting high-strength resin inorfil cloth reinforced composite and the high-strength core of inorganic gel and Wood plastic composite and the high-strength core of inorganic gel near the time, distortion was basic identical after they were heated, the thermal stress that total produces is less, thereby " tempering composite high-strength wood " new type of component can be born violent difference variation, under the alternating temperature-changing effect, can guarantee the compatibility of deformation between sheathing material and the core, to reach the total optimization comprehensive mechanical property of " tempering composite high-strength wood " composite material.
2. " tempering composite high-strength wood " advanced composite material (ACM) utilizes pultrusion, mold pressing, technologies such as winding and special equipment batch production manufacture the member of different shape in a large number, can be designed and manufactured into roof truss, rack, truss, staggered truss, framework, arch structure, wooden construction pattern that suspended-cable structure etc. are different or steel wood composite construction pattern or multiple new shaped brick wood composite construction pattern, also can utilize existing all advanced wooden construction joint structures and add strong form, connect as structure glue, gummed is implanted reinforcing bar and is connected, the steel-tooth plate connects, high-strength bolt (pin) connects, nail connection etc., also can utilize prefabricated I-shaped grid, i beam, wood shear wall and tabula, the novel wooden construction forms such as serial timber roof truss of finalizing the design produce the novel building of different purposes.
Can take encased structures (to can be round steel pipe and also can be square steel pipe for little high level or highrise building, preferred square steel pipe) and the combination of this NEW TYPE OF COMPOSITE structure, main stressed girder, principal post are encased structures (specifically can with reference to existing related specifications of country and regulation) or H shaped steel; The basis can be little high level of ordinary reinforced concrete or highrise building general basic system, preferred deep pile foundation; Secondary beam, inferior post, floor, wallboard, roof structure all can be this NEW TYPE OF COMPOSITE structure, with reach whole building safety, economy, economize on resources, the comprehensive benefit of environmental protection etc.
Multistory building for the common plane form can adopt the sub-lightweight structures system of novel assembling tub; Multistory building for the sleeve configuration plane form can adopt novel complete " tempering composite high-strength wood " material assembling stagger arrangement truss (also being staggered truss) lightweight structures, also can adopt novel assembling stagger arrangement truss shaped steel-" tempering composite high-strength wood " to mix lightweight structures; Little high level or highrise building for the sleeve configuration plane can adopt novel assembling stagger arrangement truss shaped steel-" tempering composite high-strength wood " to mix lightweight structures, mix upper chord in the truss at stagger arrangement steel wood, perpendicular web member is selected tempering composite high-strength timber for use, diagonal web member, side column, lower chord is selected shaped steel or steel pipe for use, the main stress post can be selected this NEW TYPE OF COMPOSITE post member or steel tube concrete structure column or H steel column member according to stressing conditions and structure requirement, and the plate system adopts prefabricated " tempering composite high-strength wood " I-joist wood floor or waveform " tempering composite high-strength wood " precast floor slab.
According to " wooden construction test method standard " and other correlation technique standard, by scientific experimentation, detect, calculate the amount of deflection of this " tempering composite high-strength wood " construction material of authentic and valid ground, modulus of elasticity, modulus of shearing, tangential MOR, compressive strength, flexural strength, shear strength, axial force, rigidity, the coefficient of stability, the radius of gyration, slenderness ratio, moment of inertia, mechanical index and data such as area moment, carry out structural analysis and design through common finite element infrastructure software or integrated building structure software, choose the rational sectional dimension of above respective members, to reach whole building safety, economical, economize on resources, the comprehensive benefit of environmental protection etc.
3. novel building structural system of the present invention is that logging material, technology, structure are in the comprehensive structural system of one, be initiative at home at present, designability is strong, optimization appropriate design by form of structure, remedy the whole building insufficient rigidity, as adopt stagger arrangement trussed construction, sandwich, folded structure, domes, add rib structure etc., strengthen the safety of integral body or partial structurtes; Mix inorganic particle by in thermosetting high-strength resin inorfil reinforced composite (FRP) and Wood plastic composite plane materiel, adding a spot of inorganic crystal whisker, silica, nano silicon, calcium carbonate, nano-calcium carbonate etc., can increase substantially the oxygen index (OI) and the intensity of compound plane materiel, make it have anti-flammability and self-extinguishment, in the higher occasion of fire protection requirement, at the outside high-performance inorganic fire prevention class coating that applies of compound plane materiel, can satisfy fire protection requirement.
4. novel building structural system of the present invention, from heavy and light, good toughness, structure stress is efficient and rational, and member ductility is good, utilizes the high-strength light core can obtain required second moment of area, thereby reaches comparatively ideal structural performance.Industrialization factory makes the member of various different sizes in a large number, and architectural industrialization and industrialization are highly advantageous to.Through design and design meticulously; except basis and built-in fitting and joint structure are strengthened a small amount of steel of consumption, the cement; utilize renewable agricultural wastes of environment-friendly type and industrial residue in a large number; turn waste into wealth; significantly reduce the consumption of main resource such as the great deal of steel that causes because of building construction, cement, water; reduce simultaneously the discharging of greenhouse gases in a large number, protected environment, society and remarkable in economical benefits.
5. usefulness of the present invention also is: use the high thermosetting high-strength resin inorfil reinforced composite (FRP) of tensile strength, Wood plastic composite as exterior material, the inorganic mineral polymer gel material that compressive strength is high is as core, when the member pressurized, cladding material can make inner core be in the three-dimensional stress duty, has significantly improved intensity; When member is in when being subjected to curved duty, the compressive stress of pressure zone is born by core, and tensile stress is born by exterior material, and two kinds of materials in tension and compression combinations cooperate with each other jointly, have given full play to material behavior advantage separately; In addition, exterior material is smash perfusion to watering of core and has been played the effect that permanent formwork is gone along with sb. to guard him and protected, and has also played direct decorative effect, has reduced the input of secondary decoration, and comprehensive benefit is good.
6. the basic component of novel building structural system of the present invention, post member, beam, board member require to add at least one presstressed reinforcing steel according to structure stress, presstressed reinforcing steel can be that GFRP strengthens compound muscle, low-carbon (LC) reinforcing bar, steel strand etc., manufacture craft can be a pre-tensioning system, also can be post stretching.
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