CN103899096B - Improve construction method and the special-purpose member of precast concrete board wall local strength - Google Patents
Improve construction method and the special-purpose member of precast concrete board wall local strength Download PDFInfo
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- CN103899096B CN103899096B CN201410139129.0A CN201410139129A CN103899096B CN 103899096 B CN103899096 B CN 103899096B CN 201410139129 A CN201410139129 A CN 201410139129A CN 103899096 B CN103899096 B CN 103899096B
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Abstract
The invention discloses a kind of construction method improving precast concrete board wall local strength, it is characterised in that comprising the steps: that (1) preparation is provided with the Special net shape component of multiple three-dimensional mesh, the thickness of this Special net shape component is h；(2) grind in precast concrete board wall local or surfaces of wall around and set out groove, this groove recessed concrete panel surface 1.2 to 5h；(3) described Special net shape component nailing is solid in described groove floor, carries out inlaid solid with binding agent simultaneously, form nailing, binding agent and Special net shape component integrative-structure；(4) with groove described in mortar filling-in, make mortar be packed in Special net shape component mesh, form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in after consolidation, strengthen the intensity of board wall local.The invention also discloses the Special net shape component implementing the method.
Description
Technical field
The present invention relates to technical field of building construction, be specifically related to improve precast concrete board wall local strength
The structure of construction method, the method formation and the special-purpose member of enforcement the method.
Background technology
At present, overlap the raggle position of the pipe network loaded onto within the walls at concrete prefabricated board, and box processed on setting-in,
Generally there is cracking in the positions such as door.This stress being mainly board wall is mainly distributed in the face, surrounding of board wall,
Board wall is once being drilled with upper hole or chisel digs out groove, and the stress of board wall will be redistributed, and mainly
Concentrate on around set hole or raggle position, and form board wall weak part, thus as easy as rolling off a log
Crack occurs.We have discovered that, current art is mainly tied with common glass fibre belt on metope surface mount
Close toughness coating mode sealing, reply cracking caused by board wall stress concentration portion position.Practical experience shows,
This way is difficult to play the effect improving body of wall mechanical characteristics.Therefore, concrete board wall is thoroughly solved thin
Weak position problem of Cracking, in the urgent need to seeking the construction method strengthening precast concrete board wall weak part.
Summary of the invention
The present invention be directed to deficiency of the prior art, and provide a kind of and improve precast concrete board wall local
The structure of the construction method of intensity, the method formation and the special-purpose member of enforcement the method.
For achieving the above object, the technical solution used in the present invention is:
Improve the construction method of precast concrete board wall local strength, it is characterised in that include walking as follows
Rapid:
(1) preparation Special net shape component, the thickness of this Special net shape component is h；Described Special net shape
Component is the space network being provided with multiple three-dimensional mesh, including a plurality of this netted knot of formation that intersects
The edge strip of structure, and each edge strip be wave solid kink shape；In the middle part of it or sidepiece is provided with and wears for nailing
Cross, follow closely the rib being affixed in groove floor；Its position, limit be provided with turn over or under the edging that turns over.
(2) grinding in precast concrete board wall local or board wall surface around and set out groove, this groove is recessed
Concrete board wall surface 1.2 to 5h.Described groove is positioned at precast concrete board wall local or around the most just
Face, the back side or side (arranging for concrete, can choose according to practical situation).Described local
For the stress concentration portion position of precast concrete board wall, or the splicing position of two pieces of precast concrete board walls, i.e.
Weak part.Described stress concentration portion position is hole-opening on precast concrete board wall, fluting, breach,
Or the position of the upper primary structure member of connection, the position of door hinge as upper in anchoring.Described perforate, fluting or notch part
Position is embedded with electricity box processed, supply and discharge water pipe, conduit, door hinge or door lock etc..Described groove is mixed with prefabricated
The forming hole of concrete board wall intersects horizontally set, and its both lateral sides is stretched out board wall inside aperture, slotted or lack
Mouthful face, limit not less than 80mm, vertical both sides stretch out the face, limit 50 of board wall inside aperture, fluting or breach to
200mm。
(3) described Special net shape component nailing is solid in described groove floor, uses binding agent simultaneously
Carry out inlaid solid, make nailing, binding agent form integrative-structure with Special net shape component.Including following two feelings
Condition: first by inlaid solid for Special net shape component binding agent in described groove floor, more solid with nailing nail；Or
Person, is first solid in Special net shape component nailing in described groove floor, then carries out inlaid solid with binding agent.
Make nailing, binding agent and Special net shape component form integrative-structure and include consisting of part: described nailing
Described Special net shape component wearing anchor to described groove floor, described binding agent is in described reticular component and institute
State formation tack coat between groove floor, and portion of binder is embedded into the mesh of described Special net shape component
In.
(4) with groove described in mortar filling-in, mortar is made to be packed in Special net shape component mesh, after consolidation
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in, strengthen board wall
The intensity of local.
Wherein, the value of h is 1 to 10mm.
When the splicing position that described local is between precast concrete board wall and precast concrete board wall, institute
The Special net shape component stating groove and be located in groove floor, across the precast concrete of two pieces of mutual splicings
Board wall, and described groove is provided with many places with the Special net shape component being located in groove floor along splicing seams,
Distance each other is between 200 to 500mm, and its lateral length often located is not less than 100mm.
The structure for improving precast concrete board wall local stability formed by described method.This structure
Precast concrete board wall intensity partly or wholly, stability can be improved, strengthen antidetonation, cracking resistance, anti-impact
Hit ability, more safe and reliable.
Implement the Special net shape component of described method, it is characterised in that it is to be provided with multiple three-dimensional mesh
Space network, including a plurality of this cancellated edge strip of formation that intersects, and each edge strip is wave
Formula solid kink shape；In the middle part of it or sidepiece is provided with and passes, follows closely the rib being affixed in groove floor for nailing
Bar.Its position, limit be provided with turn over or under the edging that turns over.It is metal net shaped component or fibrous web-like component,
I.e. material is that metal or tensile strength are higher than the fiber with cross section cold rolled plate.
The construction method improving precast concrete board wall local strength that the present invention provides and the method are formed
Structure, in precast concrete board wall local or need to resist the position of external impacts or around grind and set recessed
Groove, and inlaid solid Special net shape component in groove floor, then carry out filling-in, such structure can be effective
The problem of stress concentration that the positions such as reply precast concrete board wall perforate, fluting or breach produce, Ke Yizeng
The strong stability at this position, intensity and anti-impact force, make precast concrete board wall local rushed by external force
In the case of hitting, the most broken, fracture, more security reliability.Solve at present at concrete
Precoated plate overlaps the raggle position of the pipe network loaded onto within the walls, and on setting-in, the position such as box processed, door generally exists
The deficiency of cracking.It addition, the Special net shape component that the present invention uses, draw for metal material, stamping-out and punching
Form, its multiple cementation through holes filled for binding material arranged, adhesive or mortar can be made to pass through
After, combine closely with edge strip, it is achieved inlaid solid by Special net shape component, and increase adhesion strength.And,
In the middle part of it or sidepiece is provided with and passes, follows closely the rib being affixed in body of wall basic unit for nailing, make nailing, bonding
Agent and Special net shape component form integrative-structure, realize Special net shape component more stable inlaid solid.
Below in conjunction with the accompanying drawings with detailed description of the invention, the present invention is described in more detail.
Accompanying drawing explanation
Fig. 1 is the structural scheme of mechanism of Special net shape component；
Fig. 2 is the structural representation of embodiment 2；
Fig. 3 is the structural representation of embodiment 3；
Fig. 4 is the structural representation of embodiment 4；
Fig. 5 is the structural representation of embodiment 5；
In figure: 1. Special net shape component；11. edge strips, 12. ribs；13 edgings；2. groove；
3. forming hole；4. nailing.
Detailed description of the invention
Embodiment 1, sees Fig. 1～Fig. 4, and the raising precast concrete board wall local that the present embodiment provides is strong
The construction method of degree, comprises the steps:
(1) preparation Special net shape component 1, the thickness of this Special net shape component 1 is h；Described private network
Shape component 1 is the space network being provided with multiple three-dimensional mesh, including a plurality of this net of formation that intersects
The edge strip 11 of shape structure, and each edge strip 11 twists together in wave solid shape；In the middle part of it or sidepiece sets
Have and pass for nailing, follow closely the rib 12 being affixed on groove 2；Its position, limit be provided with turn over or under the edging that turns over
13。
(2) grind in precast concrete board wall local or board wall surface around and set out groove 2, this groove 2
Recessed concrete board wall surface 1.2 to 5h.Described groove 2 is positioned at precast concrete board wall local or week
The front enclosed, the back side or side (arranging for concrete, can choose according to practical situation).Described
The stress concentration portion position that local is precast concrete board wall, or the stitching section of two pieces of precast concrete board walls
Position, i.e. weak part.Described stress concentration portion position be hole-opening on precast concrete board wall, fluting,
Breach, or connect the position of upper primary structure member, the position of door hinge as upper in anchoring.Described perforate, fluting or
Gap portions is embedded with electricity box processed, door hinge, supply and discharge water pipe, conduit or door lock etc..Described groove 2
Intersect horizontally set with the forming hole 3 of precast concrete board wall, and its both lateral sides stretches out board wall endoporus
The face, limit of hole, fluting or breach is not less than 80mm, and board wall inside aperture, fluting or breach are stretched out in vertical both sides
Face, limit 50 to 200mm.
(3) described Special net shape component 1 nailing 4 is solid on described groove 2 bottom surface, uses simultaneously
Binding agent carries out inlaid solid, makes nailing, binding agent and Special net shape component 1 form integrative-structure.
(4) with groove 2 described in mortar filling-in, mortar is made to be packed in Special net shape component 1 mesh, Gu
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in after knot, produce
Bond stress, is bonded and fixed on groove 2 securely by Special net shape component 1, strengthens the strong of board wall local
Degree.
The span of h is 1 to 10mm, it is also possible to be further adjusted to by maximum according to actual needs
15-20mm。
When the splicing position that described local is between precast concrete board wall and precast concrete board wall, institute
The Special net shape component 1 stating groove 2 and be located on groove 2, across the concrete of two pieces of mutual splicings
Soil board wall, and described groove 2 is provided with many with the Special net shape component 1 being located on groove 2 along splicing seams
Place, distance each other is between 200 to 500mm, and its lateral length often located is not less than 100mm.
The structure for improving precast concrete board wall local stability formed by described method.This structure
Precast concrete board wall intensity partly or wholly, stability can be improved, strengthen antidetonation, cracking resistance, anti-impact
Hit ability, more safe and reliable.
Implementing the Special net shape component 1 of described method, it is the solid netted knot being provided with multiple three-dimensional mesh
Structure, including a plurality of this cancellated edge strip 11 of formation that intersects, and each edge strip 11 is vertical in wave
Body kink shape；In the middle part of it or sidepiece is provided with and passes, follows closely the rib 12 being affixed on groove 2 for nailing.
Its position, limit be provided with turn over or under the edging 13 that turns over.It is metal net shaped component or fibrous web-like component,
I.e. material be metal or tensile strength higher than the fiber with cross section cold rolled plate, specifically can be according to construction needs
Select.
Embodiment 2, see Fig. 1,2, the present embodiment provides raising precast concrete board wall local strength
Construction method, comprise the steps:
(1) preparation Special net shape component 1, the thickness of this Special net shape component 1 is 1mm；Described is special
Reticular component 1 is the space network being provided with multiple three-dimensional mesh, should including a plurality of formation that intersects
Cancellated edge strip 11, and each edge strip 11 twists together in wave solid shape；In the middle part of it or sidepiece
It is provided with and passes for nailing, follow closely the rib 12 being affixed on groove 2；Its position, limit be provided with turn over or under the folding turned over
Limit 13.
(2) grind in precast concrete board wall local or board wall surface around and set out groove 2, this groove 2
Recessed concrete board wall surface 5mm.Described groove 2 is just being positioned at precast concrete board wall local ambient
Face.Described local is fluting position on precast concrete board wall.This fluting is provided with electricity box processed.Described
The forming hole 3 of groove 2 and precast concrete board wall intersects horizontally set, and its both lateral sides stretches out local
80mm, local 50mm is stretched out in vertical both sides.
(3) described Special net shape component 1 nailing 4 is solid on described groove 2 bottom surface, uses simultaneously
Binding agent carries out inlaid solid, forms nailing, binding agent and Special net shape component 1 integrative-structure.
(4) with groove 2 described in mortar filling-in, mortar is made to be packed in Special net shape component 1 mesh, Gu
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in after knot, produce
Bond stress, is bonded and fixed on groove 2 securely by Special net shape component 1, strengthens the strong of board wall local
Degree.
The structure for improving precast concrete board wall local stability formed by described method.
Implement the Special net shape component 1 of described method.
Embodiment 3, see Fig. 1,3, the present embodiment provides raising precast concrete board wall local strength
Construction method and special-purpose member, essentially identical with embodiment 1,2, its difference is, including
Following steps:
(1) preparation Special net shape component 1, the thickness of this Special net shape component 1 is 10mm；Described is special
It is the space network being provided with multiple three-dimensional mesh with reticular component 1, including a plurality of formation that intersects
This cancellated edge strip 11, and each edge strip 11 twists together in wave solid shape；In the middle part of it or side
Portion is provided with and passes for nailing, follow closely the rib 12 being affixed on groove 2；Its position, limit be provided with turn over or under turn over
Edging 13.
(2) grind in precast concrete board wall local or board wall surface around and set out groove 2, this groove 2
Recessed concrete board wall surface 12mm.Described groove 2 is positioned at precast concrete board wall local or around
Front and the back side, wherein front is arranged on surrounding (upper and lower both sides), and the back side is arranged on local and surrounding.
Described local is fluting position on precast concrete board wall.Described groove 2 and precast concrete board wall
Forming hole 3 intersect horizontally set, and its both lateral sides stretches out local 100mm, and office is stretched out in vertical both sides
Portion 200mm.
(3) described Special net shape component 1 nailing 4 is solid on described groove 2 bottom surface, uses simultaneously
Binding agent carries out inlaid solid, forms nailing, binding agent and Special net shape component 1 integrative-structure.
(4) with groove 2 described in mortar filling-in, mortar is made to be packed in Special net shape component 1 mesh, Gu
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in after knot, produce
Bond stress, is bonded and fixed on groove 2 securely by Special net shape component 1, strengthens the strong of board wall local
Degree.
The structure for improving precast concrete board wall local stability formed by described method.
Embodiment 4, see Fig. 1,4, what the present embodiment provided a kind of improves precast concrete board wall local
The construction method of intensity and special-purpose member thereof, essentially identical with embodiment 1,2,3, its difference exists
In, comprise the steps:
(1) preparation Special net shape component 1, the thickness of this Special net shape component 1 is 5mm；Described is special
Reticular component 1 is the space network being provided with multiple three-dimensional mesh, should including a plurality of formation that intersects
Cancellated edge strip 11, and each edge strip 11 twists together in wave solid shape；In the middle part of it or sidepiece
It is provided with and passes for nailing, follow closely the rib 12 being affixed on groove 2；Its position, limit be provided with turn over or under the folding turned over
Limit 13.
(2) grind in precast concrete board wall local or board wall surface around and set out groove 2, this groove 2
Recessed concrete board wall surface 8mm.Described groove 2 is positioned at precast concrete board wall local or around
Front, the back side and side.Described local is that the gap portions of precast concrete board wall upper side is (recessed
Groove).
(3) described Special net shape component 1 nailing 4 is solid on described groove 2 bottom surface, uses simultaneously
Binding agent carries out inlaid solid, forms nailing, binding agent and Special net shape component 1 integrative-structure.
(4) with groove 2 described in mortar filling-in, mortar is made to be packed in Special net shape component 1 mesh, Gu
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in after knot, produce
Bond stress, is bonded and fixed on groove 2 securely by Special net shape component 1, strengthens the strong of board wall local
Degree.
The structure for improving precast concrete board wall local stability formed by described method.
Embodiment 5, see Fig. 1,5, what the present embodiment provided a kind of improves precast concrete board wall local
The construction method of intensity and special-purpose member thereof, essentially identical with embodiment 1,2,3,4, its difference
Place is, comprises the steps:
(1) preparation Special net shape component 1, the thickness of this Special net shape component 1 is 4mm；Described is special
Reticular component 1 is the space network being provided with multiple three-dimensional mesh, should including a plurality of formation that intersects
Cancellated edge strip 11, and each edge strip 11 twists together in wave solid shape；In the middle part of it or sidepiece
It is provided with and passes for nailing, follow closely the rib 12 being affixed on groove 2；Its position, limit be provided with turn over or under the folding turned over
Limit 13.
(2) grind in precast concrete board wall local or board wall surface around and set out groove 2, this groove 2
Recessed concrete board wall surface 10mm.Described groove 2 is positioned at precast concrete board wall local or around
Front.Described local is the splicing position of two pieces of precast concrete board walls.Described groove 2 be located at recessed
Special net shape component 1 on groove 2, across the precast concrete board wall of two pieces of mutual splicings and described recessed
Groove 2 is provided with many places with the Special net shape component 1 being located on groove 2 along splicing seams, each other away from
From between 200 to 500mm, its lateral length often located is not less than 100mm.
(3) described Special net shape component 1 nailing 4 is solid on described groove 2 bottom surface, uses simultaneously
Binding agent carries out inlaid solid, forms nailing, binding agent and Special net shape component 1 integrative-structure.
(4) with groove 2 described in mortar filling-in, mortar is made to be packed in Special net shape component 1 mesh, Gu
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in after knot, produce
Bond stress, is bonded and fixed on groove 2 securely by Special net shape component 1, strengthens the strong of board wall local
Degree.
The structure for improving precast concrete board wall local stability formed by described method.
Implement the Special net shape component 1 of described method.
The present invention is not limited to above-mentioned embodiment, uses or approximation side identical with the above embodiment of the present invention
Method or device, and other obtained improve the construction method of precast concrete board wall local strength, structure and
Component, all within protection scope of the present invention.
Claims (9)
1. the construction method improving precast concrete board wall local strength, it is characterised in that include
Following steps:
(1) preparation is provided with the Special net shape component of multiple three-dimensional mesh, and the thickness of this Special net shape component is
h；Described Special net shape component is the space network being provided with multiple three-dimensional mesh, including a plurality of phase
Intersect to form this cancellated edge strip mutually, and each edge strip is wave solid kink shape；In the middle part of it or
Person's sidepiece is provided with and passes for nailing, follow closely the rib being affixed in groove floor；Its position, limit be provided with turn over or under
The edging turned over；
(2) grinding in precast concrete board wall local or board wall surface around and set out groove, this groove is recessed
Concrete board wall surface 1.2 to 5h；Described local is the stress concentration portion position of precast concrete board wall,
Or the splicing position of two pieces of precast concrete board walls；Described stress concentration portion position is precast concrete board wall
Upper hole-opening, fluting, breach, or connect the position of upper primary structure member；
(3) described Special net shape component nailing is solid in described groove floor, uses binding agent simultaneously
Carry out inlaid solid, form nailing, binding agent and Special net shape component integrative-structure；
(4) with groove described in mortar filling-in, mortar is made to be packed in Special net shape component mesh, after consolidation
Form nailing, binding agent, mortar and the structure-reinforced layer of Special net shape component mixing build-in, strengthen board wall
The intensity of local；
Wherein the value of h is 1 to 10mm.
The construction method of raising the most according to claim 1 precast concrete board wall local strength, its
Be characterised by, step 2) described in the forming hole of groove and precast concrete board wall intersect horizontally set,
And its both lateral sides stretches out the face, limit of board wall inside aperture, fluting or breach not less than 80mm, vertical both sides are stretched
Face, limit 50 to the 200mm of ejecting plate hole within the walls, fluting or breach.
The construction method of raising the most according to claim 1 precast concrete board wall local strength, its
Be characterised by, described perforate, fluting or gap portions be embedded with electricity box processed, supply and discharge water pipe, conduit,
Door hinge or door lock.
The construction method of raising the most according to claim 1 precast concrete board wall local strength, its
It is characterised by, when described local is the splicing position between precast concrete board wall and precast concrete board wall
Time, described groove and the Special net shape component being located in groove floor, prefabricated across two pieces of mutual splicings
Concrete board wall, and described groove is provided with along splicing seams with the Special net shape component being located in groove floor
Many places, distance each other is between 200 to 500mm, and its lateral length often located is not less than
100mm。
The construction method of raising the most according to claim 1 precast concrete board wall local strength, its
Be characterised by, step 2) described in groove be positioned at precast concrete board wall local or front around,
The back side or side.
The construction method of raising the most according to claim 1 precast concrete board wall local strength, its
It is characterised by, step 3) in, first by inlaid solid for Special net shape component binding agent in described groove floor,
Solid with nailing nail again；Or, first Special net shape component nailing is solid in described groove floor, then
Carry out inlaid solid with binding agent；Form nailing, binding agent and Special net shape component integrative-structure.
7. according to the construction method improving precast concrete board wall local strength described in claim 1 or 6,
It is characterized in that, described Special net shape component is worn anchor to described groove floor, described bonding by described nailing
Agent forms tack coat between described reticular component and described groove floor, and portion of binder is embedded into institute
State in the mesh of Special net shape component, make nailing, binding agent form integrative-structure with Special net shape component.
8. the Special net shape component implementing the described method of one of claim 1 to 7, it is characterised in that
It is the space network being provided with multiple three-dimensional mesh, including a plurality of this network structure of formation that intersects
Edge strip, and each edge strip be wave solid kink shape；In the middle part of it or sidepiece is provided with and wears for nailing
Cross, follow closely the rib being affixed in groove floor；Its position, limit be provided with turn over or under the edging that turns over.
Special net shape component the most according to claim 8, it is characterised in that it is metal net shaped
Component.
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| CN106907013A (en) * | 2017-01-16 | 2017-06-30 | 重庆大学 | A kind of armored concrete and its construction method for repairing building breakage |
| CN107762008B (en) * | 2017-09-30 | 2021-05-11 | 东莞市彩丽建筑维护技术有限公司 | Method for cementing partition wall by dry method |
| CN108193802B (en) * | 2017-12-15 | 2020-12-01 | 东莞市彩丽建筑维护技术有限公司 | Construction method for dry cementing prefabricated member plate wall top support |
| CN109296170B (en) * | 2018-10-12 | 2020-11-06 | 东莞市彩丽建筑维护技术有限公司 | Method for hanging flue PC component |
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| CN103899096A (en) | 2014-07-02 |
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