5672 results about "Earthquake resistant" patented technology

The invention discloses low-yield ratio and high-strength steel for bridges and a manufacturing method thereof. The steel comprises the following chemical components by weight percent : 0.06-0.10 percent of C, 0.20-0.45 percent of Si, 1.20-1.50 percent of Mn, no more than 0.010 percent of P, no more than 0.0020 percent of S, 0.30-.060 percent of Ni, 0.20-0.50 percent of Cu, 0.15-0.50 percent of Mo, 0.025-0.060 percent of Nb, no more than 0.035 percent of Ti, 0.020-0.040 percent of Alt, and Fe and unavoidable impurities in balancing amount. According to the invention, through smelting, refining, performing a reasonable thermo-mechanical control process (TMCP) and optimizing tempering heat treatment production, the tensile strength of the steel is 700-780 MPa, the yield strength is 530-600MPa, the extensibility is greater than or equal to 18 percent, the yield ratio is less than or equal to 0.80, and 40 below zero DEG C low-temperature longitudinal impact is greater than or equal to 100 J, so that the steel is good in obdurability matching and low in the yield ratio, is provided with excellent performance of shock prevention, and is stable in production process and strong in operability.

A perimeter clip attached to a wall molding that supports a beam in a suspended ceiling intended to survive seismic disturbances. The clip is capable, during an earthquake, of permitting an end of a beam at one end of a connected line of beams, in a grid, to slide while being supported in the clip, or, in the alternative, to secure an end of a beam to the wall molding.

The invention discloses a component combined torsion experimental device comprising two counter-force frames which are fixed on a foundation terrace, a counter-force beam with two ends which are fixed at the upper ends of the counter-force frames and a counter-force wall fixed at the left side of the counter-force beam, wherein a component is fixed on the foundation terrace. The component combined torsion experimental device is characterized by further comprising a vertical force loading system for applying a vertical force to the component, a horizontal force loading system for applying a horizontal force to the component, a component top linear displacement guide system for meeting requirements of axial deformation, bending deformation and shearing deformation of the component, and a foundation displacement limiting system for fixing the position of the component. According to the experimental device and the method disclosed by the invention, the disadvantages of the existing similar experimental devices and methods are overcome; an experimental principle is scientific and an experimental process is simple to operate and control; the experimental device is convenient to assemble and can be used while being installed; and the experimental device can be circularly used and an experimental result meets a combined torsion performance of the structural component under the horizontal earthquake action, so as to provide experimental guarantees for disclosing a combined torsion mechanism and an anti-seismic property of the structural component.

The invention relates to a concrete commonly used in building materials, and especially relates to a thermal-insulation loading recycled concrete. A technical problem to be solved is to provide a recycled concrete which is an integration of thermal insulation, loading, quake resisting, and energy saving and emission reduction. A technical scheme adopted is characterized in that a weight ratio (kg/m<3>) of a composite lightweight aggregate admixture: cement: recycled fine aggregate: sand: recycled coarse aggregate: cobblestone: ceramsite: coal ash: water: additives is (5-250):(200-800):(20-500):(5-800):(30-600):(5-1400):(50-800):(10-600):(50-500):(0.1-200); the composite lightweight aggregate admixture is a mixture of glazed hollow beads and an aerogel, and the weight part ratio of the glazed hollow beads to the aerogel is 1:(0.7-1.5); and the additives comprise the following components, by weight, 10-150 parts of silica fume, 4-40 parts of an air entraining agent, 5-30 parts of a foaming agent, 3-30 parts of a water reducing agent, 1-30 parts of a polypropylene fiber, and 10-150 parts of waste slag. The technical scheme is used for making the recycled concrete.

The invention discloses a column-through assembled prestressed concrete frame system and a construction method thereof. The system comprises a foundation, a prefabricated reinforced concrete column, a prefabricated reinforced concrete beam, a superimposed floor slab and an external hung prefabricated wallboard, wherein a column prestressed duct is formed in the prefabricated reinforced concrete column; a beam prestressed duct is formed in the prefabricated reinforced concrete beam; post-tensioned unbonded prestressed tendons are penetrated into the beam prestressed duct and the column prestressed duct; energy-dissipation steel bars are anchored between the prefabricated reinforced concrete column and the superimposed floor slab. The structure provided by the invention has a good seismic performance; the lower part of a beam-column joint is subjected to unreinforced connection so that the structure is simple; the post-tensioned unbonded prestressed tendons and a replaceable column base energy dissipater are used so that the structure is less damaged and easy to be repaired in the earthquake; a construction manner of using the prefabricated superimposed floor slab and prestressed assembly makes site construction convenient and rapid and saves a lot of supports compared with a traditional prefabricated assembly structure; the column-through assembled prestressed concrete frame system provided by the invention is used in combination with lateral supports, shear walls and other lateral force resisting members, and is applicable to most high-rise public buildings.

The invention discloses an autoclaved aerated concrete building block, which is prepared by adding water into 50 to 55 weight parts of ceramic polishing waste, 10 to 15 weight parts of fine sand, 20 to 24 weight parts of calcined lime, 10 to 20 weight parts of cement, 0.05 to 0.09 weight part of aluminum powder and 3 to 5 weight parts of gypsum. The invention also discloses a preparation method for the autoclaved aerated concrete building block, which comprises the production processes of raw material fetching, slurry preparation, proportioning and pouring, standing and curing in a hot chamber, blank cutting, grouping, autoclaved maintenance, finished product inspection, recycle of waste liquid, waste slag and waste products and the like. The obtained autoclaved aerated concrete building block has the characteristics of high forming speed, light weight, high strength, heat insulation, sound insulation, good fireproof performance, low elasticity, seismic resistance, convenient construction and the like. The preparation method realizes utilization of the ceramic polishing waste, reduces the discharge of wastes of the ceramic industry, and is favorable for protection of ecological environment.

The invention relates to a fire-resistant and earthquake-resistant steel for construction. The steel comprises the following components by weight percent: 0.1-0.18 % of C, 0.1-0.50 % of Si, 1-1.80 % of Mn, less than or equal to 0.025 % of P, less than or equal to 0.015 % of S, less than or equal to 0.50 % of Cr, less than or equal to 0.30 % of Mo, less than or equal to 0.04 % of Al, less than or equal to 0.007 % of N, less than or equal to 0.006 % of Ca, one or two or more of less than or equal to 0.050 % of Nb, less than or equal to 0.055 % of V and less than or equal to 0.035 % of Ti, with Nb+V+Ti being <= 0.055 %, and the balance being Fe and unavoidable impurities. A production method comprises heating under a temperature of 1180 DEG C, insulating for 3 hours, rolling with a starting temperature of not less than 1180 DEG C, an accumulated reduction rate of last three controlled rolling being not less than 35 %, and a terminating temperature of 860 to 900 DEG C, and then directly air-cooling to a room temperature or cooling with a rate of 5 to 15 DEG C per second to the room temperature. The obtained steel is excellent in fire resistance, low in yield ratio (Rp0.2/Rm <= 0.75), and good in earthquake-resistance performance, with Rp0.2 (yield strength at 600 DEG C) / Rp0.2 (yield strength at the room temperature) >= 2/3.

The invention discloses a construction method for an interior partition wall. The construction of the partition wall is characterized by comprising the following steps: erecting templates at both sides of a wall body, and fixing the templates by using outside removable keels; and then casting light aggregate concrete or manufactured-in-place aerated concrete in the templates so as to cast the wall body into an complete whole, wherein the permanent templates can be made of thistle boards, plastic boards, cement boards or insulation boards; the casting of the light aggregate concrete is transferred by a booster pump; and the casting of the concrete can be started from the lower part, middle part or the upper part of the wall body until the concrete is spread all over the whole wall body. The wall body constructed by using the method meets the requirements of light weight, sound insulation and heat insulation for the traditional partition wall, and simultaneously, the common quality problems of plastering, wall surface cracking and poor earthquake resistance in the construction of the traditional partition wall are avoided or reduced because of the one-piece casting. Meanwhile, by erecting the permanent templates in the construction of the wall body, the molded wall surface is smooth and level, and the floated coat construction is omitted, thereby greatly raising the construction speed of the wall body, and lowering the construction cost.

The invention relates to quake-proof construction steel with lamellar tearing resistance and excellent performance and a production method thereof. The steel is suitable for steel plates of which the thicknesses are between 20 and 100 millimeters and comprises the following chemical components: less than or equal to 0.015 percent of C, less than or equal to 0.015 percent of Si, less than or equal to 0.015 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.005 percent of S, 0.02 to 0.04 percent of Nb, 0.005 to 0.020 percent of Ti, 0.010 to 0.060 percent of Als and the balance of Fe. The method comprises the following steps of: performing the pretreatment of molten iron; performing desulfuration treatment; controlling target components of a smelting terminal point, wherein the target components comprise 0.05 to 0.07 percent of [C] and less than or equal to 0.015 percent of [P]; refining through a ladle furnace, and feeding aluminum wires and blasting argon; performing relative humidity (RH) vacuum treatment, and introducing the argon before the treatment; adding SiCa wires; casting continuously and performing the pouring of full-process protection; heating casting blanks; performing rough rolling; performing precision rolling; and cooling. The steel of the invention has the excellent quake-proof performance (ReH/Rm is less than or equal to 0.77); and the contractibility rate of a cross section in the full-thickness direction is between 40 and 70 percent, so the steel meets the requirements of key stressed points of major constructions such as steel structure work and the like fully.

An earthquake resistant equipment rack that includes multiple methods for reinforcing the equipment rack to resist seismic forces. The side rails can include two inwardly projecting V portions extending the length of the rails to diffuse seismic forces by deflecting seismic forces vertically. The base and top are preferably formed from multiple components formed from sheet metal and having both over-lapping multiple thickness of sheet metal and multiple box structures. A cover is non-removably attached to the base. In one embodiment, the cover has a dog house shape with inclined roof like surfaces.

The invention provides a nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar and a melting method. The high-intensity aseismic reinforcing steel bar comprises the following ingredients in percentage by mass: 0.20 to 0.25 wt percent of C, 0.35 to 0.55 wt percent of Si, 1.35 to 1.58 wt percent of Mn, 0.013 to 0.025 wt percent of V, 0.019 to 0.032 wt percent of Nb, 0.065 to 0.085 wt percent of N, at most 0.040 wt percent of S, at most 0.040 wt percent of P and the balance Fe and unavoidable impurities. The reinforcement effect of microalloy V and Nb is sufficiently exerted through increasing the N and decreasing the V and the Nb, the addition of the ferrocolumbium and vanadium nitrogen alloy is reduced, and the addition of noble alloy issaved. Compared with the traditional vanadium nitrogen alloy microalloying 500MPa high-intensity reinforcing steel bar , the nitrogenous niobium vanadium microalloying 500MPa and 550MPa high-intensity aseismic reinforcing steel bar provided by the invention has the advantages that the alloying cost of the process is reduced by 65 to 75 Yuan/t steel over the same periods, the economic benefit is obvious, the process production cost is low, the applicability and the controllability are high, the produced 500MPa and 550MPa high-intensity reinforcing steel bar is widely applicable to highrise andlarge-scale constructional engineering, and the aseismic performance and the welding performance of the reinforcing steel bar are good.

The invention relates to a concrete-filled steel tube sectional type sleeve gusset and a construction method thereof, which relate to a connecting gusset for connecting a concrete-filled steel tube column and a girder in civil engineering and a construction method thereof. The concrete-filled steel tube sectional type sleeve gusset comprises the concrete-filled steel tube column and the steel girder which is connected with the column, wherein the concrete-filled steel tube column is formed by filling concrete into a steel tube; the steel tube is formed by connecting an upper column steel tube and a lower column steel tube through a connecting sleeve; the connecting sleeve and the lower column steel tube are in split type; an upper reinforcement ring plate and a lower reinforcement ring plate are arranged outside the connecting sleeve; and a vertical connecting plate is arranged between the upper reinforcement ring plate and the lower reinforcement ring plate. The connecting sleeve and the lower column steel tube in the concrete-filled steel tube sectional type sleeve gusset are in split type, so that the concrete casting strength of the lower column steel tube and the upper column steel tube can be different under the condition of construction, thereby the requirement of strong gussets and weak members can be met. Moreover, the concrete-filled steel tube sectional type sleeve gusset has the advantages of concise and definite force transferring path, large gusset rigidity, high bearing capacity, superior mechanical property, good anti-seismic performance and simple and convenient processing and manufacture.

The invention provides a niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar and production of the niobium, titanium and boron microalloy hot-rolled ribbed bar (HRB) 600 high-performance aseismic reinforcing bar. Through molten steel smelting, molten steel casting, billet controlled rolling and controlled cooling, the niobium, titanium and boron microalloy HRB600 high-performance aseismic reinforcing bar is produced and comprises the following chemical constituents according to mass ratio: 0.14-0.18% of C, 0.30-0.50% of Si, 0.50-0.75% of Mn, 0.50-0.70% of Cr, 0.030-0.050% of Nb, 0.0015-0.0030% of B, 0.020-0.040% of Ti, no more than 0.045% of S, no more than 0.045% of P and the balance of Fe and unavoidable impurities. The niobium, titanium and boron microalloy HRB600 high-performance aseismic reinforcing bar has the characteristics of low production cost, technological applicability, strong controllability and the like, the steel microstructure is uniformly distributed and has good form, the refining effect of ferrite is obvious, and the niobium, titanium and boron microalloy HRB600 high-performance aseismic reinforcement has good low-strain timeliness, high strength, good toughness, good welding performance, excellent aseismic performance and excellent combination property.

The invention relates to a 690MPa-yield-strength fire-resistant weather-resistant earthquake-proof construction steel which comprises the following components in percentage by weight: 0.051-0.155% of C, 0.20-0.60% of Si, 1.82-2.55% of Mn, at most 0.008% of P, at most 0.002% of S, 0.081-0.090% of Nb, 0.010-0.025% of Ti, 0.41-0.60% of Mo, 0.08-0.10% of W, 0.0071-0.0095% of Mg and at most 0.0010% of O. The production method comprises the following steps: desulfurizing molten iron; smelting in a converter; carrying out vacuum treatment, and adding the Mg element; carrying out conventional continuous casting, and heating the casting blank; carrying out sectional rolling; and carrying out finish rolling, and cooling for later use. The steel has the following advantages: the chemical components and technique are simple, the yield strength of the steel plate is 690-850MPa, the earthquake-proof property is good (the yield-tensile ratio is at most 0.83), the fire resistance is favorable (the yield strength at 600 DEG C is not lower than 2/3 of that at room temperature), and the corrosion resistance is better than CortenB. Besides, the steel grade has excellent impact toughness and weldability.

The invention relates to a bridge prefabricated hollow pier column post-poured connecting structure. The bridge prefabricated hollow pier column post-poured connecting structure is characterized by comprising a prefabricated hollow pier column, a pier column foundation and a post-poured concrete pier wall, wherein connecting steel plates are pre-buried in the top surface of the pier column foundation, and an installation limiting block limiting the installation position of the prefabricated hollow pier column is arranged at the center of the pier column foundation; the prefabricated hollow pier column is fixed on the pier column foundation through the connecting steel plates; the prefabricated hollow pier column is wrapped by a steel protecting barrel, and a steel rib plate is arranged on the outer wall of the steel protecting barrel; the concrete pier wall is poured on the periphery of the bottom of the prefabricated hollow pier column, and the hollow position in the prefabricated hollow pier column is filled with a concrete filling core section formed by micro-expansion concrete. As the prefabricating process is adopted for the structure, the construction speed is high, connection strength is high, overall stress performance is good, anti-seismic performance is strong, and technological and economical benefits are good. The invention further discloses a construction method for the bridge prefabricated hollow pier column and foundation connecting structure.

Disclosed is a construction method of the support frame steel concrete girder structure transfer floor for the high-rise buildings, which relates to the high-rise building structural transferring technology. Reinforced plates are welded on a profiled steel girder column flange plate and a profiled steel column flange plate; a profiled steel column stirrup is machined to an open stirrup which is welded on the reinforced plate. A perforation hole used for the stirrup to be inserted into is preset on the web plate of the profiled steel column; an angle table is welded on the profiled steel column flange plate; reinforced steel bars are in lap welding with the angle table. In the intersection of a non-frame girder and the profiled steel girder, the reinforced steel bars disconnect a bent anchor on the profiled steel girder web plate; wall body reinforced plates are generally welded on the upper flange wall body of the profiled steel girder; both sides of the wall body reinforced steel bars are welded on the wall body reinforced plates. Perforation holes used for the stirrup to be inserted into are prearranged on the upper flange of the profiled steel girder for the reinforced steel bar parts of the upper column and the concealed column of the profiled steel concrete girder; tie bars are welded with the tie bar reinforced plates. Spilt bolts are welded on both sides of the profiled steel web plate to reinforce the profiled steel concrete girder mould plate. The construction method of the support frame steel concrete girder structure transfer floor for the high-rise buildings has the advantages that the important technical problem the support frame steel concrete girder structure transfer floor in the construction process of the high-rise buildings is solved; the intensity, rigidity and the vibration resistance of the profiled steel concrete girder are reinforced.

Device for the earthquake-resistant mounting of a partition between a floor (2) and a ceiling (4). The partition includes: a frame having (i) a lower runner (8) and an upper runner (10) which are essentially horizontal, and (ii) essentially-vertical studs which connect the upper and lower runners; and a coating (6) which is fixed to the frame. The device includes: a contoured slide (18) which is intended to be solidly connected to the upper runner (10) and which has an essentially-U-shaped cross-section, and a top rail (30) which is intended to be fixed to the ceiling (4) and partially housed in the slide (18) between the arms of the U-shaped section thereof. The slide (18) and the top rail (30) are mounted such that they can move vertically in relation to one another. In addition, reversible detent elements are also provided between the slide (18) and the top rail (30).

The invention relates to low alloyed steel used for building and a production method thereof, aiming at solving the defects that the prior building steel has atmospheric corrosion resisting property and does not consider the shock resistance problem. The invention adopts the measures that the low alloyed steel contains components by weight of 0.05-0.16 percent of C, 0.10-0.50 percent of Si, 0.60-1.50 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.010 percent of S, 0.15-0.60 percent of Cu, 0.25-0.80 percent of Cr, 0.10-0.50 percent of Ni, 0.01-0.10 percent of V, 0.005-0.030 percent of Ti at least one component of 0.010-0.040 percent of Nb, 0.010-0.050 percent of Als, 0.0010-0.0060 percent of Ca and 0.0010-0.020 percent of RE, and the rest of Fe and unavoidable impurities; and the production method comprises the following steps of molten iron desulphurizing and RH degassing, heating to 1150-1310 DEG C, rough rolling with the temperature being controlled at 1100-1200 DEG C and finishing rolling, wherein the beginning temperature of the finishing rolling is 880-980 DEG C, the rolling reduction ratio of each step is 15-30 percent, the final temperature of the finishing rolling is 800-900 DEG C, and the accumulated rolling reduction ratio of three steps of 35-50 DEG C.

The invention provides a pseudo-static testing device for concrete columns after non-peripheral fire exposure and an implementation method thereof. According to the fire exposure of a concrete column, two movable stove walls plus a temporary filling wall built in the middle opening are combined to form a fourth stove wall of a stove of the testing device. The stove is arranged in the body of a reaction frame, and a vertical load application unit is mounted on the bottom of a middle horizontal steel beam to apply vertical load on the concrete column; and a horizontal tension-compression servo loading unit is mounted on a horizontal reaction wall, and can apply pushover load and low-cycle horizontal reversed load on the concrete column specimen. The testing device first carries out a fire test under non-peripheral fire exposure on a loaded concrete column, and then carries out a pseudo-static test after fire extinguishment and cooling, and a data acquisition system is used for acquiring air pressure, temperature, displacement and load at each measuring point. The invention is applicable to the experimental study on the fire resistance and post-fire anti-seismic performance of concrete columns under non-peripheral (such as three-side, two-neighboring-sides and single-side) fire exposure.

The invention relates to a method and a structure for enhancing a brickwork structure and improving earthquake resistant performance of the structure by using carbon fiber. The method comprises the following steps of: step one, determining a part to be enhanced and reconstructed and pre-treating the surfaces of a brickwork; step two, coating binder on the surfaces of the brickwork; step three, sticking carbon fiber cloth tapes on the surfaces of the brickwork in a gridding shape and in a double-surface symmetrical manner; step four, drilling a through hole; step five, using a carbon fiber pinto pass through the through hole, infusing glue in the through hole and sticking the carbon fiber pin with the brickwork; step six, dispersing the two ends of the carbon fiber pin which are exposed from the brickwork in a strip shape, and respectively sticking and fixing the two ends with the carbon fiber cloth tapes on the two surfaces of the brickwork in a petal shape; and step seven, additionally sticking a piece of glue-coated carbon fiber cloth in an each area in which strips are stuck. The method solves the technical problem that the carbon fiber cloth tapes on the two surfaces of the brickwork lack organic linkage and can not ensure the cooperative work of the carbon fiber cloth tapes and the brickwork structure. The adoption of the method can effectively enhance the whole earthquake resistant performance of the brickwork structure. Meanwhile, the method also has the advantages of simple and convenient construction, short construction period, no original space occupation, no load added to the structure or a foundation and low investment.

The invention relates to a fiber mesh plastic board, which is characterized by containing 0.5 to 60 percent of fiber by weight in a form of continuous fiber meshes, and the balance of thermoplastics; and at least one layer of the fiber meshes are arranged in the plastics. The fiber mesh plastic board adopts extrusion technology; a reinforced plastic board produced by the continuous fiber meshes significantly improves the performance of composite materials; boards can be produced continuously by extrusion molding technology and have far lower cost than that of compression molding technology; and products are easy to control and save processing energy consumption. The fiber meshes adopted by the invention have low price; the fiber exists in the boards in a tension state and can play the maximum supporting role; the extrusion molding technology results in high production efficiency and low investment of equipment; and the fiber mesh plastic board can adopt waste plastics, so the renewable utilization of materials is high. The plastic board product has wide range of application, and can be used for producing cabinets, package cabinets, filing cabinets, furniture, architectural templates, floors, wall panels, earthquake-resistant movable houses and the like; after the boards are reinforced by the fiber meshes, the strength and the rigidity can be greatly increased, so the board thickness can be reduced, and materials can be saved under the same usage request.

The invention provides a 600MPa high-performance fire-resistant aseismic reinforcement for concrete and production of the 600MPa high-performance fire-resistant aseismic reinforcement, through molten steel smelting, molten steel casting, billet controlled rolling and controlled cooling, the concrete 600MPa high-performance fire-resistant aseismic reinforcement is produced and comprises the following chemical constituents in percentage by weight: 0.15-0.20% of C, 0.45-0.65% of Si, 0.8-1.05% of Mn, 0.60-0.80% of Cr, 0.050-0.070% of V, 0.0008-0.0020% of B, no more than 0.045% of S, no more than 0.045% of P and the balance of Fe and unavoidable impurities. The 600MPa high-performance fire-resistant aseismic reinforcement has the advantages of low production cost, technological applicability, strong controllability and the like, the steel microstructure is uniformly distributed and has good form, the refining effect of ferrite is obvious, and the 600MPa high-performance fire-resistant aseismic reinforcement has high temperature shear strength which is obviously higher than common steel, and has the advantages of relatively good fire resistance, high strength, high toughness, good welding and aseismic performances and excellent combination property.

The invention belongs to the field of civil engineering, and relates to an assessment method for seismic design of engineering structures. The method includes the following steps that (1) the design intensity, a performance level, a performance objective and a structure scheme are determined, and bearing capacity design and section reinforcement and capability structure design under the effect of frequent earthquakes are conducted according to earthquake resistant codes; (2) the number of vibration modes is determined according to a vibration mode participation quality factor; (3) seismic oscillation at the performance level is determined on the basis of the performance level and an equivalent single-degree-of-freedom model of each vibration mode, and a seismic oscillation-seismic demand quantitative relation is established; (4) the seismic demand is obtained, and modal reactions are determined through a square and square root extraction combination or a complete secondary vibration mode combination; (5) after the vibration modes response to the combination, structural displacement is conducted, and whether the requirements of top displacement, inter-story displacement and the component performance objective are met or not is judged; and (6) the seismic oscillation level is predicted and assessed under multiple performance levels. The new method and new idea for assessment of the seismic performance design are provided.

The invention relates to a building column-truncating, replacing and seismic-isolating support construction method and a supporting device. The construction method includes 1), mounting the supporting device, namely mounting the supporting device around an original-structure reinforced concrete column where a seismic-isolating support is needed to be mounted; 2), after the supporting device is mounted, truncating the column at a position where the seismic-isolating support is mounted; 3), disposing the seismic-isolating support in the position to complete mounting of the rubber seismic-isolating support. Seismic isolating technology is applied onto an existing building by utilizing a supporting system, so that cost for reinforcement and reconstruction is greatly lowered, earthquake resistance of the building is effectively improved and enhanced, a mode which is safer, more economical and more environment friendly is brought to proprietors, and a novel reinforcement method solution and a more scientific anti-seismic mode are provided for old buildings positioned in seismic areas.