CN104594392A - Self-supply glass bead-graphite base sliding isolation system and method - Google Patents
Self-supply glass bead-graphite base sliding isolation system and method Download PDFInfo
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- CN104594392A CN104594392A CN201510005371.3A CN201510005371A CN104594392A CN 104594392 A CN104594392 A CN 104594392A CN 201510005371 A CN201510005371 A CN 201510005371A CN 104594392 A CN104594392 A CN 104594392A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/08—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
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Abstract
The invention discloses a self-supply glass bead-graphite base sliding isolation system and a method, characterized in that a limit hole rebar is located in the center of each of limited holes, one end is fixed in a base underbeam in a anchoring manner, the other end passes through the corresponding limit hole and perforates a base upperbeam, and sand is filled in the part, located on base underbeam, of the limit holes; a trumpet-shaped groove for placing a lead pipe is revered between the two limit holes, when concrete of the base underbeam reaches a certain intensity, the lead pipe is installed in the trumpet-shaped groove, and a mixture of glass beads and graphite is filled in the lead pipe; when the concrete of the base underbeam reaches a certain intensity, glass bead-graphite rolling isolation layer is paved on the surface of the base underbeam; on the base upperbeam, a supplying hole is reserved between the two lead pipe-glass bead-graphite energy dissipation shock absorbers; when the base upperbeam reaches a certain intensity, walls are constructed on the upper part of the base upperbeam, so that the self-supply glass bead-graphite base sliding isolation system is formed.
Description
Technical field
The present invention relates to self-adding formula bead-graphite sliding base isolated system and the practice and preparation method, belong to architectural vibration-insulation mitigation field.
Background technology
China region is wide, populous, and most building is in earthquake zone, and multistory building mostly is masonry structure or frame wall filled with masonry structure, and shock resistance is poor.On May 12nd, 2008 8.0 grades, Wenchuan special violent earthquake, cause 16 provinces (municipality directly under the Central Government, autonomous region) such as Sichuan, Gansu, Shaanxi, Chongqing, 417 Duo Ge counties (city, district), 4624 small towns, 46574 villages disaster-stricken in various degree, disaster area about 440,000 km
2, this secondary earthquake 69227 people is wrecked, and 374643 people are injured, missing 17923 people, and direct economic loss reaches 8,451 hundred million yuan, and the immediate cause that causes casualties is house collapse.Cajaput 7.1 grades of earthquakes, the number of casualties reaches about 10% of disaster area population, and low, multistoried building building is damaged serious.
Seismic isolation technology, concept is simple, successful, stable performance, become one of current the most widely used shock absorbing means.Up to now, the shock isolating pedestal that the whole world 5000 shock-insulation building uses is laminated steel plate neoprene bearing substantially, but this bearing is not suitable for the earthquake isolation of economy, the relative weak vast villages and small towns area building construction of technology with complicated construction technology because of the price of its costliness.Therefore research and develop economic and practical, easy construction, be suitable for the villages and small towns shock insulation new technology of economically underdeveloped area, become engineering to need badly.The present invention proposes a kind of self-adding formula bead-graphite sliding base isolated system and the practice, it has shock insulation, energy dissipating, spacing triple functions, bead during large shake effect-graphite Seismic Isolation of Isolation Layer can self-adding, can ensure that house is at no damage in small earthquake, middle shake safety, no collapsing with strong earthquake, and cheap, easy construction, can be used for area, villages and small towns underdeveloped.
Summary of the invention
One is the object of the present invention is to provide to have the advantages such as economic and practical, easy construction, good endurance, house no damage in small earthquake can be ensured, middle shake safety, the self-adding formula bead-graphite sliding base isolated system of no collapsing with strong earthquake and the practice, with its effectively solve country building Seismic Resistance And Disaster Reduction ability compared with problem.
The technical solution used in the present invention is as follows:
Self-adding formula bead-graphite sliding base isolated system, this system comprises basis upper underbeam subsystem, lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS, bead-graphite rolling shock insulation layer subsystem, bead graphite Seismic Isolation of Isolation Layer self-adding system, limit steel bar RACS;
Wherein, on basis, underbeam subsystem is made up of basic upper beam 1, basic underbeam 2;
Lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS is made up of bead 3, graphite 4, lead pipe 5;
Bead-graphite rolling shock insulation subsystem is made up of bead 3, graphite 4, plastic film bag 6, rubber weather strip 7 and pointing with cement mortar 8;
Limit steel bar RACS is made up of reinforcing bar 9, PVC sleeve pipe 10, bead 3, graphite 4, fine sand 11 and spacing hole 12;
Bead graphite Seismic Isolation of Isolation Layer self-adding system is by charging hole 13, and bead 3, graphite 4 is formed.
Basic underbeam 2 is made on plain concrete cushion layer top, and reserve spacing hole 12 in bilateral symmetry, reinforcing bar 9 is positioned at spacing hole 12 center, one end is anchored in basic underbeam 2, the other end is through the through basic upper beam 1 of spacing hole 12, expose basic upper beam 1 upper surface certain length, and be positioned at basic underbeam at spacing hole be partially filled fine sand 11, form limit steel bar RACS; Between two spacing holes, the reserved tubaeform groove 14 placing lead pipe 5, after basic underbeam concrete reaches some strength, lead pipe 5 is arranged in tubaeform groove 14, and in lead pipe the mixture of filling glass pearl 3, graphite 4, form lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS; After basic underbeam concrete reaches some strength, bead-graphite rolling shock insulation layer is laid on beam surface under the foundation, bead 3 and graphite 4 mix by a certain percentage, to be contained in plastic film bag 6 and to seal, by the surface of bead 3 being housed, the plastic film bag of graphite 4 mixture is laid in basic underbeam 2, form bead-graphite rolling shock insulation subsystem; Underpin upper beam 1 is watered on bead-graphite rolling shock insulation layer, and reserving spacing hole 12 with basic underbeam 2 corresponding position, limit steel bar is through this hole, expose basic upper beam surface certain length, the mixture of filling glass pearl 3 graphite 4 in basic upper beam spacing hole 12, can form bead graphite Seismic Isolation of Isolation Layer make-up system; Reserve tubaeform groove at lead pipe-bead-graphite energy-dissipating and shock-absorbing place, make lead pipe penetrate basic upper beam certain depth; At basic upper beam, in the middle of two lead pipe-bead-graphite energy-consuming shock absorbers, reserved charging hole 13, fills the mixture of bead 3, graphite 4 in charging hole, forms bead graphite Seismic Isolation of Isolation Layer self-adding system; After basic upper beam reaches some strength, masonry panel at an upper portion thereof, form band self-adding formula bead-graphite sliding base isolated system, this system has shock insulation, energy dissipating, spacing triple functions, and during large shake effect, bead-graphite Seismic Isolation of Isolation Layer can self-adding, can ensure that house is at no damage in small earthquake, middle shake safety, no collapsing with strong earthquake, and cheap, easy construction, can be used for area, villages and small towns underdeveloped.
On described basis, underbeam subsystem is by basic upper beam 1, basis underbeam 2 is formed, and both make by steel concrete, and reserves spacing hole 12 in underbeam on basis, bead graphite Seismic Isolation of Isolation Layer charging hole 13, lead pipe-bead-graphite energy-dissipating and shock-absorbing is tubaeform groove 14.
Described lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS, this RACS by lead pipe 5, bead 3, graphite 4 is formed, wherein bead diameter desirable 3mm, 4mm, 5mm etc., concrete diameter can by building storey, and structural system and required friction factor size are determined as calculated; Graphite is common graphite powder, and fineness is the smaller the better, and the concrete fineness standard adopted should be determined according to engineering importance and required friction factor size; Lead pipe wall thickness is not less than 3mm, and lead pipe external diameter is not less than 50mm; The mixture of bead 3, graphite 4 is filled in lead pipe; Lead pipe overall length 150mm, one end is anchored at 50mm in basic upper beam, the other end is anchored at 50mm in basic underbeam, middle 50mm is for freely without confinement section, (wherein 10mm is bead graphite isolation floor, the each 20mm in two ends is positioned at the upper underbeam in basis, this section of 20mm free segment, is realized by reserved tubaeform groove 14).The geological process used time, on basis, underbeam is along the changing of the relative positions of bead graphite Seismic Isolation of Isolation Layer, lead pipe free segment is cut, because the deformability of lead pipe is stronger, energy-dissipating and shock-absorbing effect is played by distortion dissipation seismic energy under shear load effect, along with the increase of deforming degree, lead pipe does not break or the section of cutting, bead graphite in lead pipe flows out to bead graphite Seismic Isolation of Isolation Layer, after supplementing the startup of bead graphite Seismic Isolation of Isolation Layer, due to the loss of the bead graphite that the underbeam changing of the relative positions on basis causes, thus realize the supply of bead graphite rolling shock insulation layer.
Described bead-graphite rolling shock insulation layer subsystem, bead-graphite rolling shock insulation layer subsystem is made up of bead 3 and graphite 4; Bead diameter desirable 3mm, 4mm, 5mm etc., concrete diameter can by building storey, and structural system and required friction factor size are determined as calculated; Graphite is common graphite powder, and fineness is the smaller the better, and the concrete fineness standard adopted should be determined according to engineering importance and required friction factor size, and the volume ratio of bead 3 and graphite 4 is with bead bulk density and pile up porosity, determines through test.Bead-graphite Seismic Isolation of Isolation Layer system is positioned at basic upper beam 1, and between basic underbeam 2, Seismic Isolation of Isolation Layer thickness is advisable with 10-20mm; In order to lay conveniently, can mixed bead graphite mixture in proportion, be contained in plastic film bag 6, be then laid on basic underbeam 2 surperficial, the thickness of bead graphite Seismic Isolation of Isolation Layer.
Described bead graphite Seismic Isolation of Isolation Layer self-adding system is by bead 3, graphite 4 and charging hole 13 are formed, charging hole 13 is reserved in basic upper beam, diameter 80mm, height is identical with deck-molding on basis, in charging hole, fill bead 3, the mixture of graphite 4, both ratios are identical with bead-graphite rolling shock insulation layer subsystem.This system, can supplement the bead graphite in Seismic Isolation of Isolation Layer under geological process, loss when underbeam slides along Seismic Isolation of Isolation Layer on basis, keeps the isolating affection of Seismic Isolation of Isolation Layer not weaken.
Described limit steel bar RACS, limit steel bar RACS is by reinforcing bar 9, PVC sleeve pipe 10, and fine sand 11, spacing hole 12, bead 3 and graphite 4 are formed.Reinforcing bar 9 one end is through basic underbeam spacing hole 12, and be anchored in basic underbeam, the other end stretches out basic upper beam spacing hole 12 and exceeds basic upper beam upper surface certain length, and screw thread on overlapping on extension, is convenient to the later stage be fixedly connected with; Place steel plate 15 at spacing hole upper surface, reserved circular hole 16 in the middle of steel plate, circular hole 16 diameter is slightly larger than the diameter of reinforcing bar 9, and steel plate 15 is square, the large 20mm of diameter of side ratio spacing hole 12; Steel plate 15 is first placed a rigid gasket 17, a rubber sheet gasket 18 is placed on rigid gasket top, rubber sheet gasket 18 thickness and 20mm, can make reinforcing bar 9 in stress deformation process, play the adaptive effect of distortion, reinforcing bar 9 is fixed with a nut 19 by rubber sheet gasket 18, avoid basic upper beam 1 in seismic process to extract from reinforcing bar top, prevent structure from toppling and collapse; Spacing hole in grade beam by basis in underbeam pre-buried PVC sleeve pipe 10 formed, casing inner diameter is 80mm; The spacing hole 12 of beam 2 is interior under the foundation fills fine sand 11, and during geological process, reinforcing bar 9 and fine sand friction, play energy-dissipating and shock-absorbing effect; The mixture of filling glass pearl 3, graphite 4 in basic upper beam spacing hole 12, during geological process, the mutual changing of the relative positions of grade beam, the bead graphite mixture in basic upper beam 1, can the loss of supply bead graphite rolling shock insulation layer; Under geological process, when on basis, the alternate displacement of underbeam is greater than the diameter of spacing hole 12, the limited hole of reinforcing bar 9 is blocked, and avoid the upper underbeam relative displacement in basis excessive, superstructure is collapsed.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Self-adding formula bead of the present invention-graphite sliding base isolated system, by underbeam subsystem, lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS, bead-graphite rolling shock insulation layer subsystem, bead graphite Seismic Isolation of Isolation Layer self-adding system on basis, the formations such as limit steel bar RACS.There is shock insulation, power consumption, energy-dissipating and shock-absorbing, distortion self adaptation, spacing, bead graphite Seismic Isolation of Isolation Layer self-adding, etc. multi-functional, and cost is low, easy construction.Bead during large shake effect-graphite Seismic Isolation of Isolation Layer can self-adding, can ensure that house is at no damage in small earthquake, middle shake safety, no collapsing with strong earthquake, and cheap, easy construction, can be used for area, villages and small towns underdeveloped.
Accompanying drawing explanation
Fig. 1 is self-adding formula bead-graphite sliding base isolated system schematic.
Fig. 2 is limit steel bar RACS schematic diagram.
Fig. 3 is lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS schematic diagram.
Fig. 4 is bead graphite Seismic Isolation of Isolation Layer self-adding system schematic.
Fig. 5 .1 is that bead-graphite rolling shock insulation layer subsystem cuts open elevational schematic view.
Fig. 5 .2 is bead-graphite rolling shock insulation layer subsystem cross section one schematic diagram.
Fig. 5 .3 is bead-graphite rolling shock insulation layer subsystem cross section two schematic diagram.
Fig. 6 is that self-adding formula bead-graphite sliding base isolated System planes arranges schematic diagram.
In figure: 1-basis upper beam, 2-basis underbeam, 3-bead, 4 graphite, 5 lead pipes, 6 plastic film bags, 7-rubber weather strip, 8-pointing with cement mortar, 9-reinforcing bar, 10-PVC sleeve pipe, 11-fine sand, 12-spacing hole, 13-charging hole, 14-is tubaeform groove, 15-steel plate, 16-circular hole, 17-rigid gasket, 18-rubber sheet gasket, 19-nut.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described:
As shown in figures 1 to 6, self-adding formula bead of the present invention-graphite sliding base isolated system, this system comprises basis upper underbeam subsystem, lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS, bead-graphite rolling shock insulation layer subsystem, bead graphite Seismic Isolation of Isolation Layer self-adding system, limit steel bar RACS; Wherein, on basis, underbeam subsystem is made up of basic upper beam 1, basic underbeam 2; Lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS is by bead 3, graphite 4, and lead pipe 5 is formed; Bead-graphite rolling shock insulation subsystem is made up of bead 3, graphite 4, plastic film bag 6, rubber weather strip 7 and pointing with cement mortar 8; Limit steel bar RACS is made up of limit steel bar 9, PVC sleeve pipe 10, bead 3, graphite 4, fine sand 11 and spacing hole 12; Bead graphite Seismic Isolation of Isolation Layer self-adding system is by charging hole 13, and bead 3, graphite 4 is formed.It is characterized in that: make basic underbeam 2 on plain concrete cushion layer top, and reserved spacing hole 12, spacing hole reinforcing bar 9 is positioned at spacing hole 12 center, one end is anchored in basic underbeam 2, the other end is through the through basic upper beam 1 of spacing hole 12, expose basic upper beam 1 upper surface certain length, and be positioned at basic underbeam at spacing hole be partially filled fine sand 11, form limit steel bar RACS; Between two spacing holes, the reserved tubaeform groove 14 placing lead pipe 5, after basic underbeam concrete reaches some strength, lead pipe 5 is arranged in tubaeform groove 14, and in lead pipe the mixture of filling glass pearl 3, graphite 4, form lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS; After basic underbeam concrete reaches some strength, bead-graphite rolling shock insulation layer is laid on beam surface under the foundation, bead 3 and graphite 4 mix by a certain percentage, to be contained in plastic film bag 6 and to seal, by the surface of bead 3 being housed, the plastic film bag of graphite 4 mixture is laid in basic underbeam 2, form bead-graphite rolling shock insulation subsystem; Underpin upper beam 1 is watered on bead-graphite rolling shock insulation layer, and reserving spacing hole 12 with basic underbeam 2 corresponding position, limit steel bar is through this hole, expose basic upper beam surface certain length, the mixture of filling glass pearl 3 graphite 4 in basic upper beam spacing hole 12, can form bead graphite Seismic Isolation of Isolation Layer make-up system; Reserve tubaeform groove at lead pipe-bead-graphite energy-dissipating and shock-absorbing place, make lead pipe penetrate basic upper beam certain depth; At basic upper beam, in the middle of two lead pipe-bead-graphite energy-consuming shock absorbers, reserved charging hole 13, fills the mixture of bead 3, graphite 4 in charging hole, forms bead graphite Seismic Isolation of Isolation Layer self-adding system; After basic upper beam reaches some strength, masonry panel at an upper portion thereof, form the Isolating Building of band self-adding formula bead-graphite sliding base isolated system, it has shock insulation, energy dissipating, spacing triple functions, and during large shake effect, bead-graphite Seismic Isolation of Isolation Layer can self-adding, can ensure that house is at no damage in small earthquake, middle shake safety, no collapsing with strong earthquake, and cheap, easy construction, can be used for area, villages and small towns underdeveloped.
According to technical scheme of the present invention, adopt the structure of self-adding formula bead-graphite sliding base isolated system, its production order is as follows:
1, first plain concrete cushion layer is made at construction bottom, at the top assembling reinforcement concreting basis of formation underbeam 2 of plain concrete cushion layer, in beam 2, pre-buried PVC sleeve pipe 10 forms spacing hole 12 under the foundation, tubaeform groove 14, by reinforcing bar through in spacing hole 12 anchoring and basic underbeam, and reinforcing bar 9 is positioned the center of spacing hole.
Fine sand is filled in the spacing hole 12 of 2, beam 2 under the foundation, and keep limit steel bar to be positioned at spacing hole center, in tubaeform groove 14, place lead pipe 5, in lead pipe 5, pour into the mixture of bead 3, graphite 4, form lead pipe-bead-graphite energy-dissipating and shock-absorbing system.
3, after the concrete of basic underbeam 2 reaches some strength, the mixture of bead 3, graphite 4 is laid on beam surface under the foundation, in order to lay conveniently, bead 3, graphite 4 are contained in plastic film bag 6, be laid on basic underbeam 2 surface, ensure that bead graphite rolling shock insulation layer thickness is at 10-20mm, concrete thickness is determined according to engineering practice; The construction of Seismic Isolation of Isolation Layer can also adopt first the surrounding edge of beam 2 under the foundation to paste rubber weather strip 7, lays the mixture of bead 3, graphite 4, ensure Seismic Isolation of Isolation Layer thickness 10-20mm in the space of being encircled a city by rubber weather strip.
4, after having laid bead graphite rolling shock insulation layer, basic assembling reinforcement concreting basis of formation upper beam 1 is made in the above, please reserved basic upper beam spacing hole 12 in basic upper beam, tubaeform groove 14, charging hole 13; Reinforcing bar 9 stretches out the surperficial certain length of basic upper beam 1 through basic upper beam spacing hole 12; In basic upper beam spacing hole 12, pour into bead graphite mixture, its ratio is identical with bead graphite Seismic Isolation of Isolation Layer; Bead graphite is poured into, its composition and ratio and bead graphite shock insulation Zeng Xiangtong in charging hole 13.
5, after basic upper beam concrete reaches some strength, on the top of basic upper beam spacing hole 12, steel plate 15 is installed, the circular hole 16 of steel plate 15 contacts with basic upper beam upper surface through reinforcing bar 9, rigid gasket 17 is positioned over steel plate 15 top through reinforcing bar 9, by rubber sheet gasket 18 through reinforcing bar 9, and be placed in the top of rigid pad 17, finally nut 19 be screwed in reinforcing bar 9 end of thread, nut contacts with rubber sheet gasket, and rubber sheet gasket can not be made to be out of shape.
6, treat that basis upper underbeam construction is complete, after the installation such as Seismic Isolation of Isolation Layer, limit steel bar, carry out the construction of pointing with cement mortar 8 at isolation floor place.
7, basic upper beam top masonry panel or build shear wall etc., form the Isolating Building with self-adding formula bead-graphite sliding base isolated system.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (6)
1. self-adding formula bead-graphite sliding base isolated system, is characterized in that: this system comprises basis upper underbeam subsystem, lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS, bead-graphite rolling shock insulation layer subsystem, bead graphite Seismic Isolation of Isolation Layer self-adding system, limit steel bar RACS;
Wherein, on basis, underbeam subsystem is made up of basic upper beam (1), basic underbeam (2);
Lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS is made up of bead (3), graphite (4), lead pipe (5);
Bead-graphite rolling shock insulation subsystem is made up of bead (3), graphite (4), plastic film bag (6), rubber weather strip (7) and pointing with cement mortar (8);
Limit steel bar RACS is made up of reinforcing bar (9), PVC sleeve pipe (10), bead (3), graphite (4), fine sand (11) and spacing hole (12);
Bead graphite Seismic Isolation of Isolation Layer self-adding system by charging hole (13), bead (3), graphite (4) form;
Basic underbeam (2) is made on plain concrete cushion layer top, and reserve spacing hole (12) in bilateral symmetry, reinforcing bar (9) is positioned at spacing hole (12) center, one end is anchored in basic underbeam (2), the other end is through the through basic upper beam (1) of spacing hole (12), expose basic upper beam (1) upper surface certain length, and be positioned at basic underbeam at spacing hole be partially filled fine sand (11), form limit steel bar RACS; Between two spacing holes, the reserved tubaeform groove (14) placing lead pipe (5), after basic underbeam concrete reaches some strength, lead pipe (5) is arranged in tubaeform groove (14), and in lead pipe the mixture of filling glass pearl (3), graphite (4), form lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS; After basic underbeam concrete reaches some strength, bead-graphite rolling shock insulation layer is laid on beam surface under the foundation, bead (3) and graphite (4) mix by a certain percentage, to be contained in plastic film bag (6) and to seal, by being equipped with bead (3), the plastic film bag of graphite (4) mixture is laid in the surface of basic underbeam (2), forms bead-graphite rolling shock insulation subsystem; Underpin upper beam (1) is watered on bead-graphite rolling shock insulation layer, and reserving spacing hole (12) with basic underbeam (2) corresponding position, limit steel bar is through this hole, expose basic upper beam surface certain length, the mixture of filling glass pearl (3), graphite (4) in basic upper beam spacing hole (12), can form bead graphite Seismic Isolation of Isolation Layer make-up system; Reserve tubaeform groove (14) at lead pipe-bead-graphite energy-dissipating and shock-absorbing place, make lead pipe (5) penetrate basic upper beam certain depth; At basic upper beam, in the middle of two lead pipe-bead-graphite energy-consuming shock absorbers, reserved charging hole (13), fills the mixture of bead (3), graphite (4) in charging hole, forms bead graphite Seismic Isolation of Isolation Layer self-adding system; After basic upper beam reaches some strength, masonry panel at an upper portion thereof, forms band self-adding formula bead-graphite sliding base isolated system.
2. self-adding formula bead according to claim 1-graphite sliding base isolated system, is characterized in that: on described basis, the basic upper beam (1) of underbeam subsystem, basic underbeam (2) are made by steel concrete.
3. self-adding formula bead according to claim 1-graphite sliding base isolated system, it is characterized in that: described lead pipe-bead-graphite energy-dissipating and shock-absorbing RACS, its bead (3) diameter desirable 3mm, 4mm, 5mm, concrete diameter can by building storey, and structural system and required friction factor size are determined as calculated; Graphite (4) is common graphite powder, and fineness is the smaller the better, and the concrete fineness standard adopted should be determined according to engineering importance and required friction factor size; Lead pipe (5) wall thickness is not less than 3mm, and external diameter is not less than 50mm; Lead pipe (5) one end is anchored at basic upper beam (1) interior 50mm, and the other end is anchored at basic underbeam (2) interior 50mm, and middle 50mm is freely without confinement section.
4. self-adding formula bead according to claim 1-graphite sliding base isolated system, it is characterized in that: the charging hole (13) of described bead graphite Seismic Isolation of Isolation Layer self-adding system is reserved in basic upper beam, diameter 80mm, height is identical with deck-molding on basis, in charging hole, fill the mixture of bead (3), graphite (4), both ratios are identical with bead-graphite rolling shock insulation layer subsystem.
5. self-adding formula bead according to claim 1-graphite sliding base isolated system, it is characterized in that: reinforcing bar (9) one end of described limit steel bar RACS is through basic underbeam spacing hole (12), be anchored in basic underbeam, the other end stretches out basic upper beam spacing hole (12) and exceeds basic upper beam (1) upper surface certain length, and screw thread on overlapping on extension, being convenient to the later stage is fixedly connected with; Steel plate (15) is placed at spacing hole upper surface, reserved circular hole (16) in the middle of steel plate, circular hole (16) diameter slightly larger than the diameter of reinforcing bar (9), steel plate (15) for square, the large 20mm of diameter of side ratio spacing hole (12); Steel plate (15) is first placed a rigid gasket (17), a rubber sheet gasket (18) is placed on rigid gasket top, rubber sheet gasket (18) thickness and 20mm are upper fixing by reinforcing bar (9) with a nut (19) at rubber sheet gasket (18); Spacing hole in grade beam is by pre-buried PVC sleeve pipe (10) formation in underbeam on basis, and casing inner diameter is 80mm; The spacing hole (12) of beam (2) is interior under the foundation fills fine sand.
6. the structure practice of self-adding formula bead-graphite sliding base isolated system, is characterized in that: its production order of this structure is as follows,
S1, first construction bottom make plain concrete cushion layer, at top assembling reinforcement concreting basis of formation underbeam (2) of plain concrete cushion layer, in beam (2), pre-buried PVC sleeve pipe (10) forms spacing hole (12) under the foundation, tubaeform groove (14), by reinforcing bar through in spacing hole (12) anchoring and basic underbeam, and reinforcing bar (9) is positioned the center of spacing hole;
Fine sand is filled in the spacing hole (12) of S2, under the foundation beam (2), and keep limit steel bar to be positioned at spacing hole center, lead pipe (5) is placed in tubaeform groove (14), in lead pipe (5), pour into the mixture of bead (3), graphite (4), form lead pipe-bead-graphite energy-dissipating and shock-absorbing system;
S3, after the concrete of basic underbeam (2) reaches some strength, the mixture of bead (3), graphite (4) is laid on beam surface under the foundation, in order to lay conveniently, bead (3), graphite (4) are contained in plastic film bag (6), be laid on basic underbeam (2) surface, ensure that bead graphite rolling shock insulation layer thickness is at 10-20mm, concrete thickness is determined according to engineering practice; The construction of Seismic Isolation of Isolation Layer can also adopt first the surrounding edge of beam (2) under the foundation to paste rubber weather strip (7), in the space of being encircled a city by rubber weather strip, lay the mixture of bead (3), graphite (4), ensure Seismic Isolation of Isolation Layer thickness 10-20mm;
S4, laid bead graphite rolling shock insulation layer after, make basic assembling reinforcement concreting basis of formation upper beam (1) in the above, reserved basic upper beam spacing hole (12) in basic upper beam (1), tubaeform groove (14), charging hole (13); Reinforcing bar (9) stretches out basic upper beam (1) surperficial certain length through basic upper beam spacing hole (12); In basic upper beam spacing hole (12), pour into bead graphite mixture, its ratio is identical with bead graphite Seismic Isolation of Isolation Layer; Bead graphite is poured into, its composition and ratio and bead graphite shock insulation Zeng Xiangtong in charging hole (13);
S5, after basic upper beam concrete reaches some strength, on the top of basic upper beam spacing hole (12), steel plate (15) is installed, the circular hole (16) of steel plate (15) contacts with basic upper beam upper surface through reinforcing bar (9), rigid gasket (17) is positioned over steel plate (15) top through reinforcing bar (9), by rubber sheet gasket (18) through reinforcing bar (9), and be placed in the top of rigid gasket, finally nut (18) is screwed in reinforcing bar (9) end of thread, nut contacts with rubber sheet gasket, and rubber sheet gasket can not be made to be out of shape;
S6, treat that basis upper underbeam construction is complete, after the installation such as Seismic Isolation of Isolation Layer, limit steel bar, carry out the construction of pointing with cement mortar (8) at isolation floor place;
S7, basic upper beam top masonry panel or build shear wall etc., form the isolation structure with self-adding formula bead-graphite sliding base isolated system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510005371.3A CN104594392B (en) | 2015-01-06 | 2015-01-06 | Self-adding formula bead-graphite sliding base isolated system and the practice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510005371.3A CN104594392B (en) | 2015-01-06 | 2015-01-06 | Self-adding formula bead-graphite sliding base isolated system and the practice |
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| Publication Number | Publication Date |
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| CN104594392A true CN104594392A (en) | 2015-05-06 |
| CN104594392B CN104594392B (en) | 2016-05-18 |
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| CN201510005371.3A Expired - Fee Related CN104594392B (en) | 2015-01-06 | 2015-01-06 | Self-adding formula bead-graphite sliding base isolated system and the practice |
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| CN106948511A (en) * | 2017-04-09 | 2017-07-14 | 北京工业大学 | A kind of X-shape sandwich heat preservation combined wall and the practice with energy-dissipating and shock-absorbing key |
| CN106948512A (en) * | 2017-04-09 | 2017-07-14 | 北京工业大学 | The Z-shaped combined wall of assembled external thermal insulation and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
| CN106968368A (en) * | 2017-04-09 | 2017-07-21 | 北京工业大学 | Assembled cross heat-preserving wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
| CN107119814A (en) * | 2017-04-09 | 2017-09-01 | 北京工业大学 | External thermal insulation in-line combined wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
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| CN107165303A (en) * | 2017-04-09 | 2017-09-15 | 北京工业大学 | External thermal insulation formula and cross combined wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
| CN107460968A (en) * | 2017-04-09 | 2017-12-12 | 北京工业大学 | Sandwich heat preservation in-line combined wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
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| CN106948512A (en) * | 2017-04-09 | 2017-07-14 | 北京工业大学 | The Z-shaped combined wall of assembled external thermal insulation and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
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| CN107165311A (en) * | 2017-04-09 | 2017-09-15 | 北京工业大学 | Assembled T-shaped heat-preserving wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
| CN107165302A (en) * | 2017-04-09 | 2017-09-15 | 北京工业大学 | Sandwich heat preservation L-shaped combined wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
| CN107165303A (en) * | 2017-04-09 | 2017-09-15 | 北京工业大学 | External thermal insulation formula and cross combined wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
| CN107460968A (en) * | 2017-04-09 | 2017-12-12 | 北京工业大学 | Sandwich heat preservation in-line combined wall and the practice with lead pipe coarse sand energy-dissipating and shock-absorbing key |
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| CN106948511B (en) * | 2017-04-09 | 2019-05-03 | 北京工业大学 | A kind of X-shape sandwich heat preservation combined wall and the practice with energy-dissipating and shock-absorbing key |
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| CN107119819B (en) * | 2017-04-09 | 2019-06-07 | 北京工业大学 | Assembled external thermal insulation L shape combined wall and the practice with energy-dissipating and shock-absorbing key |
| CN107119817B (en) * | 2017-04-09 | 2019-06-14 | 北京工业大学 | With lead pipe-coarse sand energy-dissipating and shock-absorbing key Z-shaped heat-preserving wall of assembled and the practice |
| CN107119816B (en) * | 2017-04-09 | 2019-06-14 | 北京工业大学 | It is a kind of with lead pipe-coarse sand energy-dissipating and shock-absorbing key external thermal insulation T shape combined wall and the practice |
| CN107119820B (en) * | 2017-04-09 | 2019-06-14 | 北京工业大学 | With lead pipe-coarse sand energy-dissipating and shock-absorbing key assembled L shape heat-preserving wall and the practice |
| CN107165311B (en) * | 2017-04-09 | 2019-08-09 | 北京工业大学 | With lead pipe-coarse sand energy-dissipating and shock-absorbing key assembled T shape heat-preserving wall and the practice |
| CN107165303B (en) * | 2017-04-09 | 2020-06-16 | 北京工业大学 | External heat preservation type cross-shaped composite wall with lead pipe-coarse sand energy dissipation and shock absorption keys and manufacturing method |
| CN107460968B (en) * | 2017-04-09 | 2020-06-19 | 北京工业大学 | Manufacturing method of sandwich heat-preservation in-line composite wall with lead pipe-coarse sand energy dissipation and shock absorption keys |
| CN115506421A (en) * | 2022-09-26 | 2022-12-23 | 河海大学 | Geotechnical bag seismic isolation and reduction system with limiting device |
| CN115506421B (en) * | 2022-09-26 | 2023-11-14 | 河海大学 | Geotechnical bag shock absorption and insulation system with limiting device |
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