CN106437193A - High-altitude brick-concrete building reinforcing structure - Google Patents
High-altitude brick-concrete building reinforcing structure Download PDFInfo
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- CN106437193A CN106437193A CN201611013234.5A CN201611013234A CN106437193A CN 106437193 A CN106437193 A CN 106437193A CN 201611013234 A CN201611013234 A CN 201611013234A CN 106437193 A CN106437193 A CN 106437193A
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- reinforced concrete
- seismic reinforced
- concrete beams
- bradyseism
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0222—Replacing or adding wall ties
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
Abstract
The invention discloses a high-altitude brick-concrete building reinforcing structure. The high-altitude brick-concrete building reinforcing structure is characterized in that a reinforcing beam is arranged at the part, at the height of 2.5 to 2.7 m, of a bearing wall, and a cushioned pier is arranged at the joint of the reinforcing beam and an anti-seismic beam; the anti-seismic beam is arranged on the inner side of the cushioned pier; a crossed beam is arranged at the part, at the height of 2.5 to 2.7 m, of the bearing wall; the cushioned pier is composed of a concrete block and a cushioned structure; the cushioned structure comprises three rubber blocks, two zigzag-form steel plates, polystyrene boards and hemp threads; the cushioned structure is arranged on the side facing the anti-seismic beam; the rubber blocks and the zigzag-form steel plates are arranged in a staggered manner; gaps of the zigzag-form steel plates and the rubber block on the inner side are filled with the hemp threads; gaps of the zigzag-form steel plates and the rubber block on the outer side are filled with the polystyrene boards; and the concrete block with the thickness of 100 to 125 mm is arranged on the outer side of the rubber block on the outermost side.
Description
Technical field
The present invention relates to a kind of building strengthening structure, more particularly to a kind of big height brick-concrete composite buildingses ruggedized construction.
Background technology
Brick-concrete composite buildingses height is if it exceeds 3m, the rigidity of structure can be poor, and regional anti-seismic performance of particularly providing fortification against earthquakes can reach
Less than requiring, there is such engineering in a large number in current rural area, load-carrying members performance can reach requirement, but anti-seismic performance but reaches not
To engineering specification, if will come into operation, it is clear that structure-improved performance so as to which anti-seismic performance can reach requirement.
Content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of big height brick-concrete composite buildingses reinforce knot
Structure is lifting anti-seismic performance.
The present invention be directed to brick-concrete composite buildingses of the height of house more than or equal to 3m, increase reinforcement on body of wall top, in load-bearing
Seismic Reinforced Concrete Beams are arranged between wall to improve Lateral resisting ability, and arranging cross coupling makes reinforcement, seismic Reinforced Concrete Beams form entirety further.By
In ruggedized construction in more than body of wall 2.5m, the use function in house can't be affected, it is possible to use reinforcement, seismic Reinforced Concrete Beams, intersection
Girder construction form is decorated, and is lifted perception.
Reinforcement is set at load bearing wall height 2.5～2.7m position, reinforcing depth of beam is 0.25～0.4m, reinforces beam width
For 0.25m, reinforcement using 2 a diameter of 20mm reinforcing bar as positive muscle, using 2 a diameter of 20mm reinforcing bar as negative
Muscle, reinforcement arranges prefabricated section as the support during installation reinforcing bar or formwork, the cast-in-place coagulation of reinforcement every 0.5～0.7m
Soil part arranges antitorque stirrup, and it is 50～100mm that antitorque stirrup diameter is 8mm, antitorque stirrup spacing, reinforces girder cast-in-place concrete
Intensity is C30, and reinforcement arranges bradyseism pier with seismic Reinforced Concrete Beams handing-over position, arranges seismic Reinforced Concrete Beams on the inside of bradyseism pier, and antidetonation depth of beam is
0.25～0.4m, it is C30 that antidetonation beam width is 0.25m, seismic Reinforced Concrete Beams concrete strength.At load bearing wall height 2.5～2.7m position
Cross coupling is set, and cross coupling concrete strength is that C30, cross coupling joins the easy stress concentration in position with reinforcement and occurs splitting
Seam, cross coupling arranges anchor rib with reinforcement handing-over position and is strengthened, a diameter of 16～20mm of anchor rib, and anchor rib is using friendship
Fork arrangement of reinforcement is in case crack arrest seam, i.e., the reinforcing bar for coming from cross coupling top stretches into the bottom of reinforcement, come from cross coupling bottom
Reinforcing bar stretches into the top of reinforcement, traditional arrangement of reinforcement be without cross reinforcement, so easily there is crack in position of joints, this
Technical measures can be very good to prevent this defect.
It is 0.25m that bradyseism pier is highly 0.25～0.4m, bradyseism pier width, and bradyseism pier is by concrete block and bradyseism structure structure
Become, bradyseism structure includes three pieces of block rubbers, two pieces of folding shape steel plates, styrofoam, flax silks, and bradyseism structure setting is towards seismic Reinforced Concrete Beams
Side, the most inner side of bradyseism structure is the block rubber that thickness is 25～30mm, and the most inner side of bradyseism structure refers to that direction is anti-here
The side of beam, block rubber and folding shape steel plate interlaced arrangement is shaken, folding shape steel plate thickness is 10～12mm, rolls over shape steel plate and inner rubber
The space of block is clogged using flax silk, and folding shape plate profile is using bowl-shape, and the horizontal section length of bowl-shape folding shape steel plate is 100mm, also
Zigzag can be adopted, each sawtooth length is 30～40mm, the space for shape steel plate being rolled over outer rubber block is filled out using styrofoam
Fill, the outside of outermost block rubber is the concrete block that thickness is 100～125mm.Under antihunt action, block rubber occurs change
Shape, can alleviate antidetonation horizontal force；Folding shape steel plate also can deform further, become the second defence line for slowing down antidetonation horizontal force.
The above 25mm of bradyseism pier lower surface buries embedded ribs, and 25mm below concrete block upper surface buries embedded ribs, and embedded ribs are a diameter of
22～25mm, embedded ribs length is 400～500mm.
According to the result of simulation analysis of computer, it is found that the relative storey displacement of bottom is relatively large, displacement meeting between above layer
Reduce successively, especially one layer, two layers of displacement and upper bit phase shift ratio differ greatly.The setting space of ruggedized construction is according to big
The simulation analysis of computer result of amount is configured, for six layers of house, ground floor seismic Reinforced Concrete Beams setting space be more than or equal to
1.2m and 1.3m is less than, second layer seismic Reinforced Concrete Beams setting space is the third layer seismic Reinforced Concrete Beams more than or equal to 1.3m and less than or equal to 1.4m
Setting space be more than or equal to 1.8m and less than or equal to 1.9m, the 4th layer of seismic Reinforced Concrete Beams setting space be more than or equal to 2m and less than etc.
In 2.1m, layer 5 seismic Reinforced Concrete Beams setting space is more than or equal to 2.2m and to be less than or equal to 2.3m, layer 6 seismic Reinforced Concrete Beams setting space
It is more than or equal to 2.4m and to be less than or equal to 2.5m.For five layers of house, ground floor seismic Reinforced Concrete Beams setting space be more than or equal to 1.3m
And 1.4m is less than, second layer seismic Reinforced Concrete Beams setting space is that third layer seismic Reinforced Concrete Beams are arranged more than or equal to 1.4m and less than or equal to 1.5m
Spacing is that the 4th layer of seismic Reinforced Concrete Beams setting space is more than or equal to 2.1m and to be less than or equal to more than or equal to 1.9m and less than or equal to 2m
2.2m, layer 5 seismic Reinforced Concrete Beams setting space is more than or equal to 2.3m and to be less than or equal to 2.4m.For four layers of house, ground floor antidetonation
Beam setting space be more than or equal to 1.4m and less than 1.5m, second layer seismic Reinforced Concrete Beams setting space be more than or equal to 1.5m and less than etc.
In 1.6m, third layer seismic Reinforced Concrete Beams setting space is that the 4th layer of seismic Reinforced Concrete Beams setting space is more than or equal to 2m and less than or equal to 2.1m
More than or equal to 2.2m and less than or equal to 2.3m.
Table 1 for before reinforcing and relative storey displacement contrast after reinforcing, in test load bearing wall length be 5m, find reinforce after vertical layer
Between displacement and horizontal relative storey displacement significantly reduce, especially vertical relative storey displacement reduces that amplitude is larger, and after reinforcing, shift value is full
Sufficient code requirement, specification permissible value is that 1/800, after reinforcing, shift value is respectively less than 6.25mm.
Relative storey displacement contrast after front and reinforcing reinforced by table 1
| Laterally relative storey displacement (mm) | Vertical relative storey displacement (mm) | |
| Six layer structure | 12 | 15 |
| Six layer structure after reinforcing | 5 | 6 |
| Five-layer structure | 11 | 13 |
| Five-layer structure after reinforcing | 4 | 5 |
| Four-layer structure | 6 | 11 |
| Four-layer structure after reinforcing | 2 | 3 |
Construction procedure includes：
(1) temporary support is installed, so that load bearing wall position body of wall is unloaded completely.
(2) reinforcement position body of wall is cut, and strength of wall body often cuts 0.5～0.7m and is put into prefabricated section as the supporting of body of wall
Thing, prefabricated section is the concrete of C30 using intensity, and prefabricated section lower surface above 25mm level locations two steel bar preassemblings of indwelling are worn
Hole, two reinforcing bar pre-punching of 25mm level locations indwelling below prefabricated section upper surface, steel bar preassembling penetration hole diameter is 20～24mm.
(3) bradyseism pier is installed.
(4) in the reinforcing bar pre-punching of prefabricated section, reinforcing bar is worn, reinforcing bar is worn with epoxy resin sealing reinforcing bar and steel after finishing
Space between muscle pre-punching.Then the antitorque stirrup of colligation, installs wooden model, stays on wooden model top and set concreting hole and coagulation
Soil vibrates hole.Then the cast-in-place concrete at reinforcement position is poured.
(5) after reinforcing beam portion position cast-in-place concrete intensity and reaching C20, temporary support is removed.
(6) reinforcing bar and the template of seismic Reinforced Concrete Beams and cross coupling are installed, and the anchor rib of bradyseism pier stretches into seismic Reinforced Concrete Beams with seismic Reinforced Concrete Beams master
Muscle carries out colligation, then pours the concrete of seismic Reinforced Concrete Beams and cross coupling.
(7) form removal after the design strength that the concrete strength of reinforcement, seismic Reinforced Concrete Beams and cross coupling reaches 70%.
(8) in the concrete surface shotcrete of reinforcement, seismic Reinforced Concrete Beams and cross coupling, strength of cement mortar is C10,
Thickness is 10～15mm.
Anti-seismic performance of the present invention is good, has a good application prospect.
Description of the drawings
Fig. 1 is ruggedized construction horizontal layout schematic diagram, and it is bradyseism pier schematic diagram two that Fig. 2 is bradyseism pier schematic diagram one, Fig. 3.
Accompanying drawing mark：1st, reinforcement, 2, seismic Reinforced Concrete Beams, 3, cross coupling, 4, bradyseism pier, 5, anchor rib, 6, block rubber, 7, folding shape
Steel plate, 8, styrofoam, 9, flax silk, 10, concrete block.
Specific embodiment
Below in conjunction with accompanying drawing, the present embodiment is described in detail.
Embodiment one
Embodiment is six-storey brick and concrete house, and construction area is 8000m2, 2 setting space of ground floor seismic Reinforced Concrete Beams is 1.25m, the
Two layers of 2 setting space of seismic Reinforced Concrete Beams are that 2 setting space of third layer seismic Reinforced Concrete Beams is the more than or equal to 1.85m the 4th more than or equal to 1.35m
It is 2.3m that 2 setting space of layer seismic Reinforced Concrete Beams is 2.1m, 2 setting space of layer 5 seismic Reinforced Concrete Beams, and 2 setting space of layer 6 seismic Reinforced Concrete Beams is
2.5m.
Reinforcement 1 is set at load bearing wall height 2.6m position, it is 0.25m that 1 height of reinforcement is 0.3m, 1 width of reinforcement,
Reinforcement 1 using 2 a diameter of 20mm reinforcing bar as positive muscle, using 2 a diameter of 20mm reinforcing bar as negative muscle, reinforcement
1 arranges prefabricated section as the support during installation reinforcing bar or formwork every 0.6m, and 1 cast-in-place concrete part of reinforcement arranges anti-
Stirrup is turned round, it is 50mm that antitorque stirrup diameter is 8mm, antitorque stirrup spacing, 1 cast-in-place concrete intensity of reinforcement is C30, reinforcement
1 joins position with seismic Reinforced Concrete Beams 2 arranges bradyseism pier 4, and 4 inner side of bradyseism pier arranges seismic Reinforced Concrete Beams 2, and 2 height of seismic Reinforced Concrete Beams is 0.3m, seismic Reinforced Concrete Beams
2 width are 0.25m, and 2 concrete strength of seismic Reinforced Concrete Beams is C30.Cross coupling 3 is set at load bearing wall height 2.6m position, cross coupling 3 is mixed
Solidifying soil intensity is that C30, cross coupling 3 is strengthened with the handing-over of reinforcement 1 position setting anchor rib 5, a diameter of 18mm of anchor rib 5,
Anchor rib 5 adopts cross reinforcement.
4 height of bradyseism pier is 0.3m, and 4 width of bradyseism pier is that 0.25m, bradyseism pier 4 is by concrete block 10 and bradyseism structure structure
Become, bradyseism structure includes three pieces of block rubbers 6, two pieces of folding shape steel plates 7, styrofoam 8, flax silks 9, and bradyseism structure setting is towards antidetonation
The side of beam 2, the most inner side of bradyseism structure is thickness for the block rubber 6 of 25mm, block rubber 6 and 7 interlaced arrangement of folding shape steel plate, folding
7 thickness of shape steel plate is 10mm, and the space for rolling over shape steel plate 7 with inner rubber block 6 is clogged using flax silk 9, folding shape steel as shown in Figure 2
7 shape of plate is using bowl-shape, and the horizontal section length of bowl-shape folding shape steel plate 7 is 100mm, rolls over the space of shape steel plate 7 and outer rubber block 6
Filled using styrofoam 8, the outside of outermost block rubber 6 is concrete block 10 of the thickness for 125mm.4 lower surface of bradyseism pier with
Upper 25mm buries embedded ribs, and 25mm below 10 upper surface of concrete block buries embedded ribs, a diameter of 20mm of embedded ribs, and embedded ribs are long
Spend for 450mm.
Construction procedure includes：
(1) temporary support is installed, so that load bearing wall position body of wall is unloaded completely.
(2) 1 position body of wall of reinforcement is cut, and strength of wall body often cuts 0.5～0.7m and is put into prefabricated section propping up as body of wall
Thing is held, prefabricated section is the concrete of C30 using intensity, prefabricated section lower surface above 25mm level locations two steel bar preassemblings of indwelling are worn
Hole, two reinforcing bar pre-punching of 25mm level locations indwelling below prefabricated section upper surface, steel bar preassembling penetration hole diameter is 22mm.
(3) bradyseism pier 4 is installed.
(4) in the reinforcing bar pre-punching of prefabricated section, reinforcing bar is worn, reinforcing bar is worn with epoxy resin sealing reinforcing bar and steel after finishing
Space between muscle pre-punching.Then the antitorque stirrup of colligation, installs wooden model, stays on wooden model top and set concreting hole and coagulation
Soil vibrates hole.Then the cast-in-place concrete at 1 position of reinforcement is poured.
(5) temporary support is removed after 1 position cast-in-place concrete intensity of reinforcement reaches C20.
(6) reinforcing bar and the template of seismic Reinforced Concrete Beams 2 and cross coupling 3 are installed, and the anchor rib 5 of bradyseism pier 4 stretches into seismic Reinforced Concrete Beams 2 and antidetonation
2 cage bar of beam carries out colligation, then pours the concrete of seismic Reinforced Concrete Beams 2 and cross coupling 3.
(7) mould is removed after the design strength that the concrete strength of reinforcement 1, seismic Reinforced Concrete Beams 2 and cross coupling 3 reaches 70%
Plate.
(8) in the concrete surface shotcrete of reinforcement 1, seismic Reinforced Concrete Beams 2 and cross coupling 3, strength of cement mortar is
C10, thickness is 15mm.
Embodiment two
Embodiment is six-storey brick and concrete house, and construction area is 8000m2, 2 setting space of ground floor seismic Reinforced Concrete Beams is 1.25m, the
Two layers of 2 setting space of seismic Reinforced Concrete Beams are that 2 setting space of third layer seismic Reinforced Concrete Beams is the more than or equal to 1.85m the 4th more than or equal to 1.35m
It is 2.3m that 2 setting space of layer seismic Reinforced Concrete Beams is 2.1m, 2 setting space of layer 5 seismic Reinforced Concrete Beams, and 2 setting space of layer 6 seismic Reinforced Concrete Beams is
2.5m.
Reinforcement 1 is set at load bearing wall height 2.6m position, it is 0.25m that 1 height of reinforcement is 0.3m, 1 width of reinforcement,
Reinforcement 1 using 2 a diameter of 20mm reinforcing bar as positive muscle, using 2 a diameter of 20mm reinforcing bar as negative muscle, reinforcement
1 arranges prefabricated section as the support during installation reinforcing bar or formwork every 0.6m, and 1 cast-in-place concrete part of reinforcement arranges anti-
Stirrup is turned round, it is 50mm that antitorque stirrup diameter is 8mm, antitorque stirrup spacing, 1 cast-in-place concrete intensity of reinforcement is C30, reinforcement
1 joins position with seismic Reinforced Concrete Beams 2 arranges bradyseism pier 4, and 4 inner side of bradyseism pier arranges seismic Reinforced Concrete Beams 2, and 2 height of seismic Reinforced Concrete Beams is 0.3m, seismic Reinforced Concrete Beams
2 width are 0.25m, and 2 concrete strength of seismic Reinforced Concrete Beams is C30.Cross coupling 3 is set at load bearing wall height 2.6m position, cross coupling 3 is mixed
Solidifying soil intensity is that C30, cross coupling 3 is strengthened with the handing-over of reinforcement 1 position setting anchor rib 5, a diameter of 18mm of anchor rib 5,
Anchor rib 5 adopts cross reinforcement.
4 height of bradyseism pier is 0.3m, and 4 width of bradyseism pier is that 0.25m, bradyseism pier 4 is by concrete block 10 and bradyseism structure structure
Become, bradyseism structure includes three pieces of block rubbers 6, two pieces of folding shape steel plates 7, styrofoam 8, flax silks 9, and bradyseism structure setting is towards antidetonation
The side of beam 2, the most inner side of bradyseism structure is thickness for the block rubber 6 of 25mm, block rubber 6 and 7 interlaced arrangement of folding shape steel plate, folding
7 thickness of shape steel plate is 10mm, and the space for rolling over shape steel plate 7 with inner rubber block 6 is clogged using flax silk 9, as shown in Figure 3 in folding shape
7 shape of steel plate adopts zigzag, and each sawtooth length is 30～40mm, and the space for rolling over shape steel plate 7 with outer rubber block 6 is using poly-
Benzene plate 8 is filled, and the outside of outermost block rubber 6 is concrete block 10 of the thickness for 125mm.The above 25mm of 4 lower surface of bradyseism pier
Embedded embedded ribs, 25mm below 10 upper surface of concrete block buries embedded ribs, a diameter of 20mm of embedded ribs, and embedded ribs length is
450mm.
Construction procedure includes：
(1) temporary support is installed, so that load bearing wall position body of wall is unloaded completely.
(2) 1 position body of wall of reinforcement is cut, and strength of wall body often cuts 0.5～0.7m and is put into prefabricated section propping up as body of wall
Thing is held, prefabricated section is the concrete of C30 using intensity, prefabricated section lower surface above 25mm level locations two steel bar preassemblings of indwelling are worn
Hole, two reinforcing bar pre-punching of 25mm level locations indwelling below prefabricated section upper surface, steel bar preassembling penetration hole diameter is 22mm.
(3) bradyseism pier 4 is installed.
(4) in the reinforcing bar pre-punching of prefabricated section, reinforcing bar is worn, reinforcing bar is worn with epoxy resin sealing reinforcing bar and steel after finishing
Space between muscle pre-punching.Then the antitorque stirrup of colligation, installs wooden model, stays on wooden model top and set concreting hole and coagulation
Soil vibrates hole.Then the cast-in-place concrete at 1 position of reinforcement is poured.
(5) temporary support is removed after 1 position cast-in-place concrete intensity of reinforcement reaches C20.
(6) reinforcing bar and the template of seismic Reinforced Concrete Beams 2 and cross coupling 3 are installed, and the anchor rib 5 of bradyseism pier 4 stretches into seismic Reinforced Concrete Beams 2 and antidetonation
2 cage bar of beam carries out colligation, then pours the concrete of seismic Reinforced Concrete Beams 2 and cross coupling 3.
(7) mould is removed after the design strength that the concrete strength of reinforcement 1, seismic Reinforced Concrete Beams 2 and cross coupling 3 reaches 70%
Plate.
(8) in the concrete surface shotcrete of reinforcement 1, seismic Reinforced Concrete Beams 2 and cross coupling 3, strength of cement mortar is
C10, thickness is 15mm.
Claims (5)
1. a kind of big height brick-concrete composite buildingses ruggedized construction, is characterized in that arranging reinforcement at load bearing wall height 2.5～2.7m position,
Reinforcing depth of beam is 0.25～0.4m, and reinforcing beam width is that 0.25m, reinforcement adopts the reinforcing bar of 2 a diameter of 20mm as just
Muscle, using 2 a diameter of 20mm reinforcing bar as negative muscle, reinforcement arranges prefabricated section as installing reinforcing bar every 0.5～0.7m
Or the support during formwork, to reinforce girder cast-in-place concrete part and antitorque stirrup is set, antitorque stirrup diameter is 8mm, antitorque hoop
Muscle spacing is 50～100mm, and it is C30 to reinforce girder cast-in-place concrete intensity, and reinforcement arranges bradyseism pier with seismic Reinforced Concrete Beams handing-over position,
Seismic Reinforced Concrete Beams are set on the inside of bradyseism pier, and it is 0.25m that antidetonation depth of beam is 0.25～0.4m, antidetonation beam width, seismic Reinforced Concrete Beams strong concrete
Spend for C30；Cross coupling is set at load bearing wall height 2.5～2.7m position, cross coupling concrete strength is C30, cross coupling and adds
Gu Liang handing-over position arranges anchor rib and is strengthened, a diameter of 16～20mm of anchor rib, and anchor rib adopts cross reinforcement；
It is 0.25m that bradyseism pier is highly 0.25～0.4m, bradyseism pier width, and bradyseism pier is made up of concrete block and bradyseism structure,
Bradyseism structure includes three pieces of block rubbers, two pieces of folding shape steel plates, styrofoam, flax silks, and bradyseism structure setting is towards the one of seismic Reinforced Concrete Beams
Side, the most inner side of bradyseism structure is block rubber that thickness is 25～30mm, block rubber and folding shape steel plate interlaced arrangement, rolls over shape steel plate
Thickness is 10～12mm, and the space for rolling over shape steel plate with inner rubber block is clogged using flax silk, rolls over shape steel plate and outer rubber block
Space is filled using styrofoam, and the outside of outermost block rubber is the concrete block that thickness is 100～125mm；Bradyseism pier following table
The above 25mm in face buries embedded ribs, and 25mm below concrete block upper surface buries embedded ribs, a diameter of 22～25mm of embedded ribs, in advance
Muscle length is buried for 400～500mm.
2. big height brick-concrete composite buildingses ruggedized construction according to claim 1, is characterized in that, for six layers of house, ground floor resists
Shake beam setting space is that second layer seismic Reinforced Concrete Beams setting space is more than or equal to 1.3m and to be less than more than or equal to 1.2m and less than 1.3m
Equal to 1.4m, third layer seismic Reinforced Concrete Beams setting space is more than or equal to 1.8m and to be less than or equal to 1.9m, between the 4th layer of seismic Reinforced Concrete Beams are arranged
Away from for more than or equal to 2m and less than or equal to 2.1m, layer 5 seismic Reinforced Concrete Beams setting space is more than or equal to 2.2m and to be less than or equal to
2.3m, layer 6 seismic Reinforced Concrete Beams setting space is more than or equal to 2.4m and to be less than or equal to 2.5m；For five layers of house, ground floor antidetonation
Beam setting space be more than or equal to 1.3m and less than 1.4m, second layer seismic Reinforced Concrete Beams setting space be more than or equal to 1.4m and less than etc.
In 1.5m, third layer seismic Reinforced Concrete Beams setting space is that the 4th layer of seismic Reinforced Concrete Beams setting space is more than or equal to 1.9m and less than or equal to 2m
More than or equal to 2.1m and less than or equal to 2.2m, layer 5 seismic Reinforced Concrete Beams setting space is more than or equal to 2.3m and to be less than or equal to 2.4m；
For four layers of house, ground floor seismic Reinforced Concrete Beams setting space is more than or equal to 1.4m and to be less than 1.5m, between second layer seismic Reinforced Concrete Beams are arranged
Away from for more than or equal to 1.5m and less than or equal to 1.6m, third layer seismic Reinforced Concrete Beams setting space is more than or equal to 2m and to be less than or equal to
2.1m, the 4th layer of seismic Reinforced Concrete Beams setting space is more than or equal to 2.2m and to be less than or equal to 2.3m.
3. big height brick-concrete composite buildingses ruggedized construction according to claim 1, is characterized in that folding shape plate profile is adopted bowl-shape,
The horizontal section length of bowl-shape folding shape steel plate is 100mm.
4. big height brick-concrete composite buildingses ruggedized construction according to claim 1, is characterized in that rolling over shape plate profile adopts sawtooth
Shape, each sawtooth length is 30～40mm.
5. big height brick-concrete composite buildingses ruggedized construction according to claim 2, is characterized in that construction procedure includes：
(1) temporary support is installed, so that load bearing wall position body of wall is unloaded completely.
(2) reinforcement position body of wall is cut, and strength of wall body often cuts 0.5～0.7m and is put into prefabricated section as the support of body of wall,
Prefabricated section is the concrete of C30 using intensity, the two reinforcing bar pre-punching of indwelling of prefabricated section lower surface above 25mm level locations, in advance
Two reinforcing bar pre-punching of 25mm level locations indwelling below clamp dog upper surface, steel bar preassembling penetration hole diameter is 20～24mm；
(3) bradyseism pier is installed；
(4) in the reinforcing bar pre-punching of prefabricated section, reinforcing bar is worn, reinforcing bar is worn with epoxy resin sealing reinforcing bar and steel bar preassembling after finishing
Space between perforation；Then the antitorque stirrup of colligation, installs wooden model, stays on wooden model top and sets concreting hole and concrete shakes
Smash hole；Then the cast-in-place concrete at reinforcement position is poured；
(5) after reinforcing beam portion position cast-in-place concrete intensity and reaching C20, temporary support is removed；
(6) reinforcing bar and the template of seismic Reinforced Concrete Beams and cross coupling are installed, and the anchor rib of bradyseism pier is stretched into seismic Reinforced Concrete Beams and entered with antidetonation beam main tendon
Row colligation, then pours the concrete of seismic Reinforced Concrete Beams and cross coupling；
(7) form removal after the design strength that the concrete strength of reinforcement, seismic Reinforced Concrete Beams and cross coupling reaches 70%；
(8) in the concrete surface shotcrete of reinforcement, seismic Reinforced Concrete Beams and cross coupling, strength of cement mortar is C10, thickness
For 10～15mm.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810369678.5A CN108425508B (en) | 2016-11-10 | 2016-11-10 | Brick-concrete house reinforcing structure |
| CN201810369544.3A CN108518079B (en) | 2016-11-10 | 2016-11-10 | Method for reinforcing high-altitude brick-concrete house |
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| CN110805304A (en) * | 2017-09-12 | 2020-02-18 | 叶长青 | Construction method for reinforcing structure of concrete beam |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108425508B (en) | 2020-01-07 |
| CN107178216B (en) | 2019-04-02 |
| CN108518079B (en) | 2020-02-21 |
| CN108518079A (en) | 2018-09-11 |
| CN106437193B (en) | 2018-09-25 |
| CN108425508A (en) | 2018-08-21 |
| CN107178216A (en) | 2017-09-19 |
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