CN209339176U - Structure is protected in high-rise structures strengthening of foundation - Google Patents
Structure is protected in high-rise structures strengthening of foundation Download PDFInfo
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- CN209339176U CN209339176U CN201821484133.0U CN201821484133U CN209339176U CN 209339176 U CN209339176 U CN 209339176U CN 201821484133 U CN201821484133 U CN 201821484133U CN 209339176 U CN209339176 U CN 209339176U
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Abstract
The utility model discloses a kind of high-rise structures strengthenings of foundation to protect structure, and it includes: multiple bored concrete piles that high-rise structures bottom periphery is circumferentially laid in along high-rise structures that structure is protected in high-rise structures strengthening of foundation；It is layed in the reinforced concrete terrace on the outer ground in basis of high-rise structures for basis and bored concrete pile drawknot to be integrated, the top of reinforced concrete terrace cladding connection bored concrete pile and the exposed parts on basis；It is set to the concrete Zhou Liang of bored concrete pile periphery, top predetermined depth and connection of the concrete Zhou Liang apart from bored concrete pile are supported in the outside of bored concrete pile, for applying lateral compressive pre-stress to bored concrete pile.The reinforcement protection simple and stable structure of the utility model is construction is simple, quick；Convenient for high-rise structures periphery soil excavation, so that safety requirements when periphery carries out soil excavation construction meets engineering discipline, be conducive to accelerate periphery engineering construction progress, and do not influence the use function of existing high-rise structures, avoids the migration operation of high-rise structures.
Description
Technical field
The utility model relates to Building Foundation Reinforcement Technology fields, particularly, are related to a kind of high-rise structures basis and add
Admittedly protecting structure.
Background technique
In urban road construction construction, newly-built road inevitably passes through some important high-rise structures, such as high
Press power transmission tower, towering water tower etc..Under normal conditions, it can all select to avoid designed road both in detail design
The important tall and slender structure having.But continuous or multiple high-rise structures are encountered (such as: continuous high-voltage electricity on road route direction when creating
Tower etc.), it is difficult to avoid completely between these high-rise structures, high-rise structures migration needs multidisciplinary cooperation in addition, and
It needs to put into a large amount of fund and manpower and material resources, is also easy to bring construction safety hidden danger.Therefore, it is necessary to existing tall and slender structure
The basis of object carries out reinforcing, then excavates the soil body along high-rise structure basis surrounding to reach construction purpose.
Utility model content
The utility model provides a kind of high-rise structures strengthening of foundation protection structure, is made with solving high-rise structures migration
The technical issues of industry causes manpower and material resources investment big and easily brings security risk.
The technical solution adopted in the utility model is as follows:
A kind of high-rise structures strengthening of foundation protection structure, carries out reinforcing guarantor for multiple bases to high-rise structures
Shield, it includes: that high-rise structures bottom periphery is circumferentially laid in along high-rise structures that structure is protected in high-rise structures strengthening of foundation
Multiple bored concrete piles；It is layed in the reinforced concrete on the outer ground in basis of high-rise structures for basis and bored concrete pile drawknot to be integrated
Terrace, the top of reinforced concrete terrace cladding connection bored concrete pile and the exposed parts on basis；It is set to the concrete of bored concrete pile periphery
The top predetermined depth and connection of Zhou Liang, concrete Zhou Liang apart from bored concrete pile are supported in the outside of bored concrete pile, for bored concrete pile
Apply lateral compressive pre-stress.
Preferably, concrete Zhou Liang is in vertical plane, side of the concrete Zhou Liang far from bored concrete pile close to the side of bored concrete pile
In step surface.
Preferably, the outer surface for the frame-shaped construction that multiple bored concrete piles are enclosed is covered with for protecting bored concrete pile extremely
Few one layer of fine-stone concrete surface layer, fine-stone concrete surface layer is interior to have steel mesh.
Preferably, high-rise structures strengthening of foundation protection structure further includes for carrying out multiple bases of high-rise structures
Reinforcement by connection is whole connection component.
Further, connection component includes the rectangular connection structure and use for two neighboring basis to be attached to reinforcing
In the diagonal connection structure that two bases on diagonal line are attached to reinforcing.
Preferably, reinforced concrete terrace is in rectangular-ambulatory-plane, a part of cladding connection connection component, another portion of connection component
Divide the central opening for being exposed to rectangular-ambulatory-plane reinforced concrete terrace.
Preferably, it is one that the framework of steel reinforcement in reinforced concrete terrace is connected and fixed with the reinforcing bar of bored concrete pile, connection component respectively
Body.
Preferably, the oil immersion plank for separating the two is provided between reinforced concrete terrace and basis.
Preferably, the bottom of concrete Zhou Liang, reinforced concrete terrace bottom be separately provided for provide flat surface with
And anti-skidding plain concrete cushion layer.
Preferably, multiple bored concrete piles sequentially arrange in frame shape and multiple bases are trapped among as a whole in frame shape.
The utility model has the following beneficial effects:
Structure is protected in the high-rise structures strengthening of foundation of the utility model, by circumferentially laying multiple fillings along high-rise structures
Infuse stake, the basic drawknot of bored concrete pile and high-rise structures is integrated by reinforced concrete terrace, by high-rise structures basis with
Bored concrete pile and reinforced concrete terrace form effective entirety, reduce the deformation on high-rise structures basis, are supported in perfusion by connection
The concrete Zhou Liang in stake outside applies lateral compressive pre-stress to bored concrete pile, so that high-rise structures basis is to the soil body where it
Lateral shear stress to bored concrete pile is cancelled, and be can effectively reduce the deformation of bored concrete pile or even basis, can be effectively improved existing towering
The bearing capacity and stability on building basis；Simple and stable structure is protected in the high-rise structures strengthening of foundation of the utility model, is applied
Work is simple, quick；The high-rise structures strengthening of foundation protection structure of the utility model is convenient for high-rise structures periphery soil excavation,
So that safety requirements when high-rise structures basal perimeter carries out soil excavation construction has been able to satisfy the prescribed requirement of engineering, together
When, be conducive to accelerate in existing high-rise structures periphery engineering construction progress, and do not influence the use function of existing high-rise structures
Can, avoid high-rise structures migration operation and its caused by social influence.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the floor map of the high-rise structures strengthening of foundation protection structure of the preferred embodiment in the utility model；
Fig. 2 is the diagrammatic cross-section of the high-rise structures strengthening of foundation protection structure of the preferred embodiment in the utility model.
Drawing reference numeral explanation:
1, basic；2, bored concrete pile；3, reinforced concrete terrace；30, central opening；4, concrete Zhou Liang；5, fine-stone concrete surface layer；6,
Rectangular connection structure；7, diagonal connection structure；8, oil immersion plank；9, plain concrete cushion layer；10, ground is designed.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
The utility model provides a kind of high-rise structures strengthening of foundation protection structure, for the multiple of high-rise structures
Basis carries out reinforcement protection.The high-rise structures of the utility model meaning include high voltage power transmission tower, towering water tower etc..
Referring to Figures 1 and 2, the high-rise structures in the preferred embodiment of the utility model are that high voltage power transmission tower is protected
Shield, there are four basic 1 (spread foundations) for high voltage power transmission tower tool.High-rise structures basis in the preferred embodiment of the utility model
Reinforcement protection structure includes: multiple bored concrete piles 2 that high-rise structures bottom periphery is circumferentially laid in along high-rise structures；It is layed in
High-rise structures in the reinforced concrete terrace 3 on basic 1 outer ground for basic 1 and 2 drawknot of bored concrete pile to be integrated, reinforced concrete
The top of the cladding connection bored concrete pile 2 of terrace 3 and the exposed parts on basis 1；It is set to the concrete week beam 4 of the periphery of bored concrete pile 2, is mixed
Top predetermined depth and connection of the solidifying all beams 4 of soil apart from bored concrete pile 2 are supported in the outside of bored concrete pile 2, for applying to bored concrete pile 2
Lateral compressive pre-stress.
Structure is protected in the high-rise structures strengthening of foundation of the utility model, by circumferentially laying setting along high-rise structures
Bored concrete pile 2 and basic 1 drawknot are integrated by bored concrete pile 2 by reinforced concrete terrace 3, the cladding connection bored concrete pile 2 of reinforced concrete terrace 3
Top and basis 1 exposed parts, the basis 1 of high-rise structures and bored concrete pile 2 and reinforced concrete terrace 3 are formed effective whole
Body reduces the deformation on high-rise structures basis 1, by connect be supported in the outside of bored concrete pile 2 concrete week beam 4 to bored concrete pile
2 apply lateral compressive pre-stress, so that the lateral shear stress quilt of its place soil body of 1 pair of high-rise structures basis or even bored concrete pile 2
Offset, can effectively reduce bored concrete pile 2 so that basis 1 deformation, can effectively improve existing high-rise structures basis 1 bearing capacity and
Stability；Simple and stable structure is protected in the high-rise structures strengthening of foundation of the utility model, construction is simple, quick；This is practical new
The high-rise structures strengthening of foundation protection structure of type is convenient for high-rise structures periphery soil excavation, so that high-rise structures basis 1
Safety requirements when periphery carries out soil excavation construction has been able to satisfy the prescribed requirement of engineering, meanwhile, be conducive to accelerate existing
High-rise structures periphery engineering construction progress, and the use function of existing high-rise structures is not influenced, avoid high-rise structures
Migration operation and its caused by social influence.
The high-rise structures strengthening of foundation protection structure of the utility model further includes for by multiple bases of high-rise structures
Plinth 1, which is attached, to be reinforced as whole connection component.It is whole, reduction height by multiple basic 1 reinforcement by connection by connection component
The deformation for alarmming building bottom, further enhances the bearing capacity and stability on high-rise structures basis 1, advantageously ensures that towering
The anti-ability of toppling over of building.
In this preferred embodiment, connection component includes the rectangular connection for being attached reinforcing by two neighboring basic 1
Structure 6 and diagonal connection structure 7 for two bases 1 on diagonal line to be attached to reinforcing.The rectangular formation of connection structure 6
Tension member and supporting element between adjacent two basis 1, to ensure the relative stability between adjacent two basis.Diagonal connection structure
The rectangular combination of connection structure 6 of 7 cooperations constitutes the stable support and drawknot composite structure of triangle.Preferably, connection component can be adopted
It is formed by connecting with channel steel, structure is simply and readily implemented, and can save material to reduce cost and cost.In other embodiments,
It can also be using the reinforcement by connection between the optimized integrations 1 such as steel plate or steel cable.
Multiple bored concrete piles 2 are sequentially arranged in frame shape and are trapped among multiple basic 1 in frame shape as a whole.This preferred embodiment
In, it is provided with a circle bored concrete pile 2 in the periphery on four bases 1 of high voltage power transmission tower, this circle bored concrete pile 2 sequentially arranges and surrounds square
Four bases 1 are centered around in rectangle by shape as a whole.In the present embodiment, multiple bored concrete piles 2 are sequentially spaced laying and form rectangle
Structure.Spacing between the stake heart of two neighboring bored concrete pile 2 is 900~1000mm.In this preferred embodiment, two neighboring perfusion
Spacing between 2 hearts of stake is that 950mm ensure that itself and reinforcing bar on the basis of facilitating drilling and the pouring construction of bored concrete pile 2
3 drawknot of concrete terrace be after entirety structural strength (too small drilling and the pouring construction of will lead to of spacing is inconvenient between bored concrete pile 2,
Then it is easy to cause the soil body to be lost and reduce overall structural strength away from too big).Certainly, in other embodiments, multiple bored concrete piles 2
It can arrange rounded, triangle or other polygons, the utility model are not limited thereto.The utility model by
Multiple basic 1 one circle bored concrete pile 2 of periphery setting as a whole, can be effectively by the stress undertaken on basis 1 by connecting therewith
The reinforced concrete terrace 3 connect is dispersed on multiple bored concrete piles 2, while reducing 1 deformation of high-rise structures basis, stress dispersion side
To symmetrical, size is relatively uniform, the stress that each bored concrete pile 2 is undertaken is advantageously reduced, bored concrete pile 2 is also functioned to centainly in itself
Protective effect.
Specifically, bored concrete pile 2 passes through machine drilling pore-forming, reinforcing bar is provided in hole, and reinforcing bar stretches out length in reserve outside hole,
Pass through the concrete perfusion formation bored concrete pile 2 in hole.Bored concrete pile 2 is inserted into firm supporting course, to guarantee the stabilization of bored concrete pile 2
Property.Stake top reserves the reinforcing bar of enough length convenient for connecting with the framework of steel reinforcement of upper reinforcement concrete terrace 3.
Further, reinforced concrete terrace 3 includes framework of steel reinforcement and the concrete poured.Reinforcing bar in reinforced concrete terrace 3
Frame is connected and fixed with the reinforcing bar of bored concrete pile 2, connection component is integrated respectively.Steel in this preferred embodiment, in reinforced concrete terrace 3
The reinforcing bar that tendons skeleton is reserved with 2 stake top of bored concrete pile is fixed using overlapping mode.Framework of steel reinforcement and connection group in reinforced concrete terrace 3
Part is welded and fixed.Certainly, the reinforcing bar in framework of steel reinforcement and bored concrete pile 2 and connection component can also be using other sides such as binding
Formula is connected and fixed.It is one by the way that reinforcing bar, the connection component of framework of steel reinforcement, bored concrete pile 2 in reinforced concrete terrace 3 to be connected and fixed
Body is conducive to the stress condition for improving high-rise structures basis 1, can effectively reinforce integrally-built stability.
In this preferred embodiment, reinforced concrete terrace 3 is in rectangular-ambulatory-plane, and cladding connects a part of above-mentioned connection component, even
Another part of connected components is exposed to the central opening 30 of rectangular-ambulatory-plane reinforced concrete terrace 3.Also that is, the package connection of reinforced concrete terrace 3
With adjacent one section of basis 1 in rectangular connection structure 6, reinforced concrete terrace 3 also wraps up diagonal connection structure 7 and basis 1 is adjacent
One section.What connection component in the utility model had certain length with the reinforced concrete terrace 3 performed wraps section, makes high-rise structures
Basis 1 it is stronger, improve the globality on basis 1, enhance the anti-ability of toppling over of high-rise structures, reduce newly-built
The risk toppled over when the 1 periphery soil body of high-rise structures basis is excavated in road construction.In addition, by steel on the basis 1 of connection component
Muscle concrete terrace 3 is arranged to rectangular-ambulatory-plane, is conducive to reduce materials, reduces the material cost of entire protection ruggedized construction and is constructed into
This.In the utility model, concrete grade used in reinforced concrete terrace 3 is no less than C25.Framework of steel reinforcement used in reinforced concrete terrace 3 can
Using reinforcing bar model HPB300.In this preferred embodiment, for the stability for ensureing structure, reinforced concrete terrace 3 coats connection component
The segment length that wraps be no less than 50cm.
Further, the bottom of reinforced concrete terrace 3 is provided with for providing flat surface and anti-skidding plain concrete pad
Layer 9.In this preferred embodiment, the plain concrete cushion layer 9 of 3 bottom of reinforced concrete terrace uses concrete grade for C15, with a thickness of
10~15cm.Preferably, the plain concrete cushion layer 9 is than the wide 10cm of rectangular-ambulatory-plane reinforced concrete terrace 3, that is, the plain concrete cushion layer 9
There is 10cm width to be revealed in the central opening 30 of rectangular-ambulatory-plane reinforced concrete terrace 3.Plain concrete cushion layer 9 is arranged in the utility model, has
Protection reinforced concrete terrace is played in the assembling reinforcement on the flat surface of plain concrete cushion layer 9 when conducive to perform reinforced concrete terrace 3
3 effect；Meanwhile the width of plain concrete cushion layer 9 is set as being wider than 3 width of reinforced concrete terrace, facilitates applying for reinforced concrete terrace 3
Work.
Optionally, the oil immersion plank 8 for separating the two is provided between reinforced concrete terrace 3 and basis 1.Performing reinforcing bar
When concrete terrace 3, basic 1 surrounding is separated to the framework of steel reinforcement and concrete of itself and reinforced concrete terrace 3 using oil immersion plank 8, it can
Basic steel construction of high-rise structures itself is kept, ensures that the structure of high-rise structures such as high voltage power transmission tower itself is not damaged.When
So, in some embodiments, such as in the protection ruggedized construction on towering water tower basis, oil immersion plank 8, reinforcing bar can also be not provided with
The concrete of concrete terrace 3 directly coats the basis 1 of towering water tower, can shield to basic 1 structure.
It, can be to high-rise structures surrounding soil along filling after having performed bored concrete pile 2 and reinforced concrete terrace 3 in the utility model
It is excavated on the outside of note stake 2.Wait be excavated under design ground 10 (such as newly-built road ground) absolute altitude after certain depth, it is being perfused
2 periphery construction concrete week beam 4 of stake.In this preferred embodiment, concrete week, beam 4 was around a circle setting of bored concrete pile 2, connection branch
It supports in the outside of bored concrete pile 2.Concrete week, beam 4 in a round banding one enclosed bored concrete pile 2, can apply to bored concrete pile 2 lateral pre-
Compression can effectively drop so that the lateral shear stress of its place soil body of 1 pair of high-rise structures basis or even bored concrete pile 2 is cancelled
Low perfusion stake 2 or even the deformation on basis 1, can effectively improve the bearing capacity and stability on existing high-rise structures basis 1.This implementation
It is design ground 10 on concrete week beam 4 in example.Concrete week, beam 4 close to the side of bored concrete pile 2 was in vertical plane, can be effective
Support bored concrete pile 2 to apply lateral compressive pre-stress.Concrete week beam 4 the side far from bored concrete pile 2 be in step surface, such step
Face design, the concrete and 4 good combination of concrete week beam on design ground 10, enhancing are whole when design ground 10 can be facilitated to construct
Structural strength.
In this preferred embodiment, concrete week beam 4 bottom be also equipped with a laminin concrete cushion 9, and the element coagulation
Soil padding 9 is more slightly wider than concrete week beam 4.When the plain concrete cushion layer 9 is conducive to perform 3 concrete week of reinforced concrete terrace beam 4
The assembling reinforcement on the flat surface of plain concrete cushion layer 9 is played the role of protecting concrete week beam 4, meanwhile, facilitate concrete
The construction of all beams 4.
In this preferred embodiment, the outer surface for the frame-shaped construction that multiple bored concrete piles 2 are enclosed is covered with for protecting
At least one layer of fine-stone concrete surface layer 5 of bored concrete pile 2, fine-stone concrete surface layer 5 is interior to have steel mesh.The utility model waits for excavation construction operation
The fine-stone concrete surface layer 5 for protecting bored concrete pile 2 is performed after the completion, and is embedded in the certain depth of the soil body, can make high-rise structures
Basis 1 is stronger, improves the globality on basis 1, enhances the anti-ability of toppling over of high-rise structures.
The construction method of above-mentioned high-rise structures strengthening of foundation protection structure, comprising the following steps:
Step S200 successively excavates fill orifice along the circumferential direction of high-rise structures in high-rise structures bottom periphery and shape is perfused
At bored concrete pile 2；
Step S300 performs reinforced concrete terrace 3, so that the top of the cladding connection bored concrete pile 2 of reinforced concrete terrace 3 and towering building
Build the exposed parts on the basis 1 of object；
Step S400 carries out excavation construction operation to the soil body on high-rise structures periphery on the outside of bored concrete pile 2；
Step S500, until concrete week beam 4 is performed in 2 periphery of bored concrete pile when top predetermined depth apart from bored concrete pile 2,
The connection of beam 4 of concrete week is supported in the outside of bored concrete pile 2, for applying lateral compressive pre-stress to bored concrete pile 2.
The construction method of the high-rise structures strengthening of foundation protection structure of the utility model, by the basis 1 of high-rise structures
Effective entirety is formed with bored concrete pile 2 and reinforced concrete terrace 3, the deformation on high-rise structures basis 1 can be reduced, is supported by connection
Concrete week beam in the outside of bored concrete pile 24 applies lateral compressive pre-stress to bored concrete pile 2, so that high-rise structures basis 1 is to it
The lateral shear stress of the place soil body or even bored concrete pile 2 is cancelled, and can effectively reduce the deformation of bored concrete pile 2 or even basis 1, can be effective
Improve the bearing capacity and stability on existing high-rise structures basis 1；Knot is protected in the high-rise structures strengthening of foundation of the utility model
The construction method of structure is simple, quick；The construction method of the high-rise structures strengthening of foundation protection structure of the utility model is convenient for height
Building periphery soil excavation is alarmmed, safety requirements when basic 1 periphery of high-rise structures being enabled to carry out soil excavation construction is expired
The foot prescribed requirement of engineering, meanwhile, be conducive to accelerate in existing high-rise structures periphery engineering construction progress, and do not influence both
Have the use function of high-rise structures, avoid high-rise structures migration operation and its caused by social influence.
Further, before step S200, further includes: step S100, using connection component by the more of high-rise structures
A basic 1 reinforcement by connection is whole.It is whole, reduction high-rise structures bottom by multiple basic 1 reinforcement by connection by connection component
The deformation in portion further enhances the bearing capacity and stability on high-rise structures basis 1, advantageously ensures that the anti-of high-rise structures
Topple over ability.
In this preferred embodiment, connection component includes the rectangular connection for being attached reinforcing by two neighboring basic 1
Structure 6 and diagonal connection structure 7 for two bases 1 on diagonal line to be attached to reinforcing.Preferably, connection component can
It is formed by connecting using channel steel, structure is simply and readily implemented, and can save material to reduce cost and cost.
Further, step S200 includes:
Step S201 is drilled with a circle fill orifice in high-rise structures bottom periphery, and multiple fill orifices are sequentially arranged in frame shape
The basis 1 of high-rise structures is trapped among as a whole in frame shape.
In the present embodiment, drill and be perfused to form bored concrete pile 2, bored concrete pile at a certain distance from high-rise structures bottom periphery
2 and high-rise structures basis 1 outer profile between clear distance be 1600~1800mm, can be with convenient for the construction of bored concrete pile 2
Avoid closely leading to very much the destruction to basis 1 by basis 1, at the same avoid apart from it is too far cause structural material demand bigger caused by
This waste.
Reinforcing bar or steel reinforcement cage is arranged in step S202 in each fill orifice, and the top of reinforcing bar or steel reinforcement cage is stretched out
Length in reserve outside hole.
The length in reserve that the top of reinforcing bar or steel reinforcement cage is stretched out outside hole meets to be wanted with the framework of steel reinforcement of reinforced concrete terrace 3 overlap joint
It asks.
Step S203, concrete perfusion forms bored concrete pile 2 in hole.After bored concrete pile 2 forms, the reinforcing bar of stake top stretches out enough
Length, to be connect with the framework of steel reinforcement of portion's reinforced concrete terrace 3.
In this preferred embodiment, bored concrete pile 2 passes through machine drilling pore-forming, reinforcing bar is provided in hole, and reinforcing bar stretches out outside hole
Length in reserve passes through the concrete perfusion formation bored concrete pile 2 in hole.Bored concrete pile 2 is inserted into firm supporting course, to guarantee bored concrete pile
2 stability.Stake top reserves the reinforcing bar of enough length for connecting with the framework of steel reinforcement of upper reinforcement concrete terrace 3.Above-mentioned step
It further include the processes such as formwork, maintenance, demoulding, this is repeated no more in rapid S203.
Further, step S300 includes:
Step S301 by high-rise structures bottom skin soil excavation, and is laid with a laminin concrete cushion 9.
After high-rise structures bottom skin soil excavation certain depth, a laminin concrete cushion 9 is laid with above.Element
Concrete cushion 9 uses concrete grade for C15, with a thickness of 10~15cm.Preferably, which compares Back Word
3 width 10cm of shape reinforced concrete terrace.Plain concrete cushion layer 9 is arranged in the utility model, is conducive to perform 3 Shi Su of reinforced concrete terrace
Assembling reinforcement on the flat surface of concrete cushion 9 is played the role of protecting reinforced concrete terrace 3；Meanwhile plain concrete cushion layer 9
Width be set as being wider than 3 width of reinforced concrete terrace, facilitate the construction of reinforced concrete terrace 3.
Step S302, setting is used to form the framework of steel reinforcement of reinforced concrete terrace 3 in plain concrete cushion layer 9, and by reinforcing bar
The reinforcing bar and connection component that skeleton is reserved with 2 stake top of bored concrete pile respectively are connected and fixed.
In this preferred embodiment, the reinforcing bar that framework of steel reinforcement and 2 stake top of bored concrete pile in reinforced concrete terrace 3 are reserved is using overlap joint
Mode is fixed.Framework of steel reinforcement in reinforced concrete terrace 3 is welded and fixed with connection component.
Step S303, concrete perfusion mold the reinforced concrete terrace 3 of rectangular-ambulatory-plane, and the cladding connection of reinforced concrete terrace 3 is multiple
The top of bored concrete pile 2, multiple basic 1 exposed parts, reinforced concrete terrace 3 also coat a part of connection connection component, connection
Another part of component is exposed to the central opening 30 of rectangular-ambulatory-plane reinforced concrete terrace 3.
In this preferred embodiment, concrete grade used in reinforced concrete terrace 3 is no less than C25.Reinforcing bar used in reinforced concrete terrace 3
Reinforcing bar model HPB300 can be used in skeleton.In this preferred embodiment, for the stability for ensureing structure, the cladding of reinforced concrete terrace 3 connects
The segment length that wraps of connected components is no less than 50cm.Separated when meeting high-rise structures suspension column using oil immersion plank 8.
Further, include: the step of 2 periphery of bored concrete pile performs concrete week beam 4
It is mixed to be laid with a laminin on 2 periphery of bored concrete pile wait be excavated under design 10 absolute altitude of ground after predetermined depth by step S501
Solidifying soil padding 9.
In this preferred embodiment, the plain concrete cushion layer 9 of 3 bottom of reinforced concrete terrace uses concrete grade for C15, thick
Degree is 10~15cm.Preferably, which facilitates reinforced concrete terrace 3 than the wide 10cm of rectangular-ambulatory-plane reinforced concrete terrace 3
Construction.
Step S502, is arranged reinforcing bar in plain concrete cushion layer 9 and casting concrete forms concrete week beam 4, concrete
The outside of all beams 4 is in step surface.Step surface design can facilitate design ground 10 to design the concrete and coagulation on ground 10 when constructing
Native week 4 good combination of beam, enhances overall structural strength.
Further, the construction method of the utility model further include: step S600, excavation construction operation make outside bored concrete pile 2
After side is exposed, the fine-stone concrete face of one layer of included steel mesh is sprayed in the outer surface for the frame-shaped construction that multiple bored concrete piles 2 are enclosed
Layer 5, for protecting bored concrete pile 2.
In this preferred embodiment, after perform the fine-stone concrete surface layer 5 for protecting bored concrete pile 2 after the completion of excavation construction operation,
And it is embedded in the certain depth of the soil body, the basis 1 of high-rise structures can be made stronger, the globality on basis 1 is improved, enhance
The anti-ability of toppling over of high-rise structures.
Structure is protected in high-rise structures strengthening of foundation provided by the utility model, and design is reasonable, construction is simple, quick, warp
Benefit of helping is excellent, has effectively carried out reinforcement and strengthening to existing high-rise structures basis, and sound construction is stablized.It is practical new by this
Type, existing high-rise structures foundation bottom structure stress situation are improved, and performance is more reasonable；It improves existing towering
The globality and stability of building improve the bearing capacity on existing high-rise structures basis, avoid moving for high-rise structures
The social adverse effect that moves work and its may cause.Meanwhile it can also effectively accelerate existing towering structure periphery and create road
Construction speed.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. structure is protected in a kind of high-rise structures strengthening of foundation, reinforcing guarantor is carried out for multiple basic (1) to high-rise structures
Shield, which is characterized in that high-rise structures strengthening of foundation protection structure includes:
Multiple bored concrete piles (2) of high-rise structures bottom periphery are circumferentially laid in along high-rise structures；
It is layed in the reinforcing bar on basis (1) outer ground of high-rise structures for basic (1) and bored concrete pile (2) drawknot to be integrated
Concrete terrace (3), the top of reinforced concrete terrace (3) cladding connection bored concrete pile (2) and the exposed parts of basic (1)；
It is set to the concrete Zhou Liang (4) of the bored concrete pile (2) periphery, the concrete Zhou Liang (4) is apart from the bored concrete pile (2)
Top predetermined depth and connection be supported in the outsides of the bored concrete pile (2), it is lateral pre- for applying to the bored concrete pile (2)
Compression.
2. structure is protected in high-rise structures strengthening of foundation according to claim 1, which is characterized in that
The concrete Zhou Liang (4) is in vertical plane close to the side of the bored concrete pile (2), and the concrete Zhou Liang (4) is far from institute
The side of bored concrete pile (2) is stated in step surface.
3. structure is protected in high-rise structures strengthening of foundation according to claim 1, which is characterized in that
The outer surface for the frame-shaped construction that multiple bored concrete piles (2) are enclosed is covered at least one for protecting bored concrete pile (2)
Layer fine-stone concrete surface layer (5), the fine-stone concrete surface layer (5) is interior to have steel mesh.
4. structure is protected in high-rise structures strengthening of foundation according to claim 1, which is characterized in that
The high-rise structures strengthening of foundation protection structure further includes for being attached multiple basic (1) of high-rise structures
It reinforces as whole connection component.
5. structure is protected in high-rise structures strengthening of foundation according to claim 4, which is characterized in that
The connection component includes for two neighboring basic (1) to be attached the rectangular connection structure (6) of reinforcing and is used for
Two bases (1) on diagonal line are attached to the diagonal connection structure (7) of reinforcing.
6. structure is protected in high-rise structures strengthening of foundation according to claim 4, which is characterized in that
The reinforced concrete terrace (3) is in rectangular-ambulatory-plane, and cladding connects a part of the connection component, the connection component it is another
A part is exposed to the central opening (30) of rectangular-ambulatory-plane reinforced concrete terrace (3).
7. structure is protected in high-rise structures strengthening of foundation according to claim 4, which is characterized in that
Framework of steel reinforcement in the reinforced concrete terrace (3) connect with the reinforcing bar of the bored concrete pile (2), the connection component solid respectively
It is set to one.
8. structure is protected in high-rise structures strengthening of foundation according to claim 1, which is characterized in that
The oil immersion plank (8) for separating the two is provided between the reinforced concrete terrace (3) and basic (1).
9. structure is protected in high-rise structures strengthening of foundation according to claim 1, which is characterized in that
The bottom of the concrete Zhou Liang (4), the bottom of the reinforced concrete terrace (3) are separately provided for providing flat surface
And anti-skidding plain concrete cushion layer (9).
10. structure is protected in high-rise structures strengthening of foundation according to claim 1, which is characterized in that
Multiple bored concrete piles (2) are sequentially arranged in frame shape and multiple basic (1) are trapped among as a whole in frame shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821484133.0U CN209339176U (en) | 2018-09-11 | 2018-09-11 | Structure is protected in high-rise structures strengthening of foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821484133.0U CN209339176U (en) | 2018-09-11 | 2018-09-11 | Structure is protected in high-rise structures strengthening of foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209339176U true CN209339176U (en) | 2019-09-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109208627A (en) * | 2018-09-11 | 2019-01-15 | 中建五局土木工程有限公司 | Structure and its construction method are protected in high-rise structures strengthening of foundation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109208627A (en) * | 2018-09-11 | 2019-01-15 | 中建五局土木工程有限公司 | Structure and its construction method are protected in high-rise structures strengthening of foundation |
| CN109208627B (en) * | 2018-09-11 | 2024-03-26 | 中建五局土木工程有限公司 | Reinforced protection structure for foundation of high-rise building and construction method thereof |
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