CN106088642B - The anti-bend reinforced structure and its construction method of a kind of prefabricated hollow floor - Google Patents
The anti-bend reinforced structure and its construction method of a kind of prefabricated hollow floor Download PDFInfo
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- CN106088642B CN106088642B CN201610414346.5A CN201610414346A CN106088642B CN 106088642 B CN106088642 B CN 106088642B CN 201610414346 A CN201610414346 A CN 201610414346A CN 106088642 B CN106088642 B CN 106088642B
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- hollow floor
- prefabricated hollow
- prefabricated
- floor
- hole
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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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
- E04G23/0207—Arrangements for filling cracks or cavities in building constructions in hollow structures, e.g. cavity walls
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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
- E04G23/0288—Repairing or restoring floor slabs
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses the anti-bend reinforced structure and its construction method of a kind of prefabricated hollow floor, including the filling core ruggedized construction of prefabricated hollow floor hole and the suspention ruggedized construction of prestress rope；The filling core ruggedized construction of the prefabricated hollow floor hole includes cassette ceiling hole, grouting duct, perforated rebar and grouting material；The suspention ruggedized construction of the prestress rope includes anchor tool system, preserved pipeline, prestress rope, the preserved pipeline is arranged in the grouting material of prefabricated hollow floor one, the prestress rope is arranged on the bottom of the prefabricated hollow floor two, the both ends of prestress rope are each passed through the preserved pipeline of the prefabricated hollow floor one on two both sides of prefabricated hollow floor, and pass through anchor tool system anchorage.Structure of the present invention can effectively solve the problems, such as prefabricated hollow floor Lack of support, further enhance globality, bearing capacity and anti-seismic performance between prefabricated hollow floor.
Description
Technical field
The invention belongs to building structure field, and in particular to a kind of anti-bend reinforced structure of prefabricated hollow floor and its construction
Method.
Background technology
According to statistics, China has been enter into the building of person in middle and old age's phase and accounts for 50 percent, there are about 2,500,000,000 square metres of building
Thing occurs the qualitative problems of construction of different situations or the possibility of accident, including all kinds of natural calamities are different degrees of to building
Damage and destruction.The main task of China's construction field will be increasingly becoming by being reformed, transformed and being reinforced to Old building.
The masonry house built before 1998, building cover structure are mostly the Assembled Building using prefabricated hollow floor
Lid.The globality poor of precast assemble floor in brick masonry structure house, the low bearing capacity of prefabricated hollow floor, along with resident uses
During due to the use of lack of standardization, such as because installation pendent lamp, ceiling fan demand and to prefabricated hollow floor punching etc., cause prefabricated sky
Major injury occurs for heart floor, in addition, brick masonry housing will all be led by being destroyed caused by natural cause and long neglected and in disrepair etc.
Reliability, the security of masonry structure building is caused to be greatly lowered.To prefabricated hollow floor in existing old masonry structure building
The needs be detected, identify, reinforce, repaired are increasing, and the reinforcement means of existing prefabricated hollow floor such as steel-bonded reinforcement
There is the globality that can not improve superstructure for method, CFRP Sheet Strengthening Method etc., it is difficult to reaches and is applied with structure same service life, consolidation effect
Work peopleware and technical merit have a great influence, and reinforcement cost is higher, the problems such as the normal life to resident has a great influence.
The content of the invention
The purpose of the present invention is for deficiencies of the prior art, there is provided a kind of bending resistance of prefabricated hollow floor adds
Fixing structure and its construction method, the structure can effectively solve the problems, such as prefabricated hollow floor Lack of support, further enhance pre-
Globality, bearing capacity and anti-seismic performance between cassette ceiling processed.
The technical solution adopted by the present invention is：A kind of anti-bend reinforced structure of prefabricated hollow floor, including precast hollow building
Plate holes fill core ruggedized construction and the suspention ruggedized construction of prestress rope；
The filling core ruggedized construction of the prefabricated hollow floor hole is used as prefabricated hollow floor one, using the prestressing force
The suspention ruggedized construction of steel wire rope is prefabricated hollow floor two, one arranged for interval of prefabricated hollow floor, two precast hollows
It is prefabricated hollow floor two between floor one；
The filling core ruggedized construction of the prefabricated hollow floor hole includes cassette ceiling hole, grouting duct, perforated rebar
And grouting material, one upper surface of prefabricated hollow floor offer several grouting ducts, the position in duct of being in the milk positioned at hollow
The surface of floor hole, and duct of being in the milk is communicated with cassette ceiling hole, and perforated rebar is equipped with cassette ceiling hole, and
And it is full of grouting material in cassette ceiling hole；Make the perforated rebar of arrangement in prefabricated hollow floor hole by grouting material with it is original
Concrete is combined into a common stress of entirety, so as to improve the anti-bending strength of monolithic prefabricated hollow floor；
The suspention ruggedized construction of the prestress rope includes anchor tool system, preserved pipeline, prestress rope, described
Preserved pipeline is arranged in the grouting material of prefabricated hollow floor one, and the prestress rope is arranged on the prefabricated hollow floor
Two bottom, the both ends of prestress rope are each passed through the provided pipe of the prefabricated hollow floor one on two both sides of prefabricated hollow floor
Road, and pass through anchor tool system anchorage.The prefabricated hollow floor two for not filling core reinforcing fills core reinforcing precast hollow building by being anchored at
Prestress rope suspention on plate one is reinforced, and the prefabricated hollow floor one reinforced by having filled core during stress does not fill core to improve
The bearing capacity of the prefabricated hollow floor two of reinforcing, so as to also enhance the globality of prefabricated hollow floor.
Preferably, the grouting material uses self-compacting concrete.
Preferably, the preserved pipeline is corrugated pipe pipeline.
A kind of construction method of the anti-bend reinforced structure of above-mentioned prefabricated hollow floor, comprises the following steps：
The first step：According to filling, core reinforces prefabricated hollow floor one and two spaced apart original of prefabricated hollow floor is reinforced in suspention
Then, determine to need to fill quantity and position that core reinforces prefabricated hollow floor one, in the prefabricated hollow floor one for needing filling core to reinforce
Surface opens up grouting duct；
Second step：By the grouting duct on one surface of prefabricated hollow floor, perforated rebar is arranged in cassette ceiling hole；
3rd step：The preserved pipeline needed for prestress rope is reinforced in the pre-buried suspention of one span centre of prefabricated hollow floor；
4th step：Grouting material is poured into the grouting duct on one surface of prefabricated hollow floor, and vibration compacting makes grouting material, pre-
One original concrete of cassette ceiling processed and the perforated rebar of arrangement in cassette ceiling hole are combined into unified entirety；
5th step：Treat that cast-in-place grouting material maintenance reaches the required maintenance time limit, prestress rope penetrated into preserved pipeline,
Stretch-draw prestressing force steel wire rope reaches tensioned state, is anchored prestress rope with anchor tool system, is reinforced so that filling core
Prefabricated hollow floor one reinforces prefabricated hollow floor two with suspention and is closely linked, and strengthens the globality of floor structure.
The invention has the advantages that within rationally controllable economic limit, make domestic existing largely using prefabricated
Safety problem existing for cassette ceiling building is resolved.The original hole of prefabricated hollow floor is utilized using core reinforcing is filled, both
Do not occupy using space, and enhance the bending stiffness and ultimate bearing capacity of prefabricated board, and fill core using grouting material to protect
Consolidation effect is demonstrate,proved, is realized and the structure same service life；Suspention, which reinforces to greatly reduce, fills the quantity that core reinforces floor, improves construction effect
Rate, reduces the influence to resident family, and can suspend the ultimate bearing capacity for reinforcing floor in midair by filling core and reinforcing floor and improve, and can pass through
Prestress rope links together all prefabricated hollow floors, improves the globality of precast assemble floor.By using this
Invention is transformed and reinforced to existing building, can improve bearing capacity, globality, durability and the antidetonation of prefabricated hollow floor
Performance etc., brings significant economic benefit and social benefit.
Brief description of the drawings
Fig. 1 is the filling core ruggedized construction schematic diagram of prefabricated hollow floor hole of the present invention；
Fig. 2 is the cross section view of Fig. 1；
Fig. 3 is the anti-bend reinforced structure of prefabricated hollow floor of the present invention.
Embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
As shown in Figure 1,2 and 3：A kind of anti-bend reinforced structure of prefabricated hollow floor, including prefabricated hollow floor hole
Fill core ruggedized construction and the suspention ruggedized construction of prestress rope；
The filling core ruggedized construction of the prefabricated hollow floor hole is used as prefabricated hollow floor 1, using it is described it is pre- should
The suspention ruggedized construction of power steel wire rope is prefabricated hollow floor 2 10, and one 9 arranged for interval of prefabricated hollow floor, two prefabricated
It is prefabricated hollow floor 2 10 between cassette ceiling 1；
The filling core ruggedized construction of the prefabricated hollow floor hole includes cassette ceiling hole 2, grouting duct 1, perforation steel
Muscle 3 and grouting material 4, one 9 upper surface of prefabricated hollow floor offer the position position in several grouting ducts 1, duct 1 of being in the milk
In the surface of cassette ceiling hole 2, and duct 1 of being in the milk is communicated with cassette ceiling hole 2, is equipped with cassette ceiling hole 2
Perforated rebar 3, and it is full of grouting material 4 in cassette ceiling hole 2；Make the perforated rebar 3 of arrangement in prefabricated hollow floor hole 2
One common stress of entirety is combined into by grouting material 4 and original concrete 5, so as to improve the bending resistance of monolithic prefabricated hollow floor
Performance；
The suspention ruggedized construction of the prestress rope includes anchor tool system 6, preserved pipeline 7, prestress rope 8,
The preserved pipeline 7 is arranged in the grouting material 4 of prefabricated hollow floor 1, and the prestress rope 8 is arranged on described prefabricated
The bottom of cassette ceiling 2 10, the both ends of prestress rope 8 are each passed through the precast hollow on 2 10 both sides of prefabricated hollow floor
The preserved pipeline 7 of floor 1, and pass through 6 anchorage of anchor tool system.The prefabricated hollow floor 2 10 of core reinforcing is not filled by being anchored at
Fill the suspention of prestress rope 8 that core is reinforced on prefabricated hollow floor 1 to reinforce, the prefabricated sky reinforced by having filled core during stress
Heart floor 1 does not fill the bearing capacity for the prefabricated hollow floor 2 10 that core is reinforced to improve, so as to also enhance prefabricated hollow floor
Globality.
The grouting material 4 uses self-compacting concrete.The preserved pipeline 7 is corrugated pipe pipeline.
A kind of construction method of the anti-bend reinforced structure of above-mentioned prefabricated hollow floor, comprises the following steps：
The first step：According to filling, core reinforces prefabricated hollow floor 1 and 2 10 arranged for interval of prefabricated hollow floor is reinforced in suspention
Principle, determine to need to fill quantity and position that core reinforces prefabricated hollow floor 1, in the precast hollow building for needing to fill core and reinforcing
One 9 surface of plate opens up grouting duct；
Second step：By the grouting duct 1 on one 9 surface of prefabricated hollow floor, the arrangement perforation steel in cassette ceiling hole 2
Muscle 3；
3rd step：The preserved pipeline 7 needed for prestress rope 8 is reinforced in the pre-buried suspention of one 9 span centre of prefabricated hollow floor；
4th step：Grouting material 4 is poured into the grouting duct 1 on one 9 surface of prefabricated hollow floor, and vibration compacting makes grouting material
4th, the original concrete 5 of prefabricated hollow floor 1 and the perforated rebar 3 of arrangement in cassette ceiling hole 2 are combined into unified entirety；
5th step：Treat that the cast-in-place maintenance of grouting material 4 reaches the required maintenance time limit, prestress rope 8 is penetrated into provided pipe
Road 7, stretch-draw prestressing force steel wire rope 8 reach tensioned state, are anchored prestress rope 8 with anchor tool system 6, so that filling
Core reinforces prefabricated hollow floor 1 and is closely linked with suspention reinforcing prefabricated hollow floor 2 10, strengthens floor structure
Globality.
Embodiments of the present invention are described in detail above in association with attached drawing, but the present invention is not limited to described reality
Apply mode.For those of ordinary skill in the art, in the range of the principle of the present invention and technological thought, to these implementations
Mode carries out a variety of changes, modification, replacement and deformation and still falls within protection scope of the present invention.
Claims (1)
1. a kind of construction method of the anti-bend reinforced structure of prefabricated hollow floor, the anti-bend reinforced structure of the prefabricated hollow floor
Core ruggedized construction and the suspention ruggedized construction of prestress rope are filled including prefabricated hollow floor hole；
The filling core ruggedized construction of the prefabricated hollow floor hole is used as prefabricated hollow floor one, using the compressor wire
The suspention ruggedized construction of rope is prefabricated hollow floor two, one arranged for interval of prefabricated hollow floor, two prefabricated hollow floors
It is prefabricated hollow floor two between one；
The filling core ruggedized construction of the prefabricated hollow floor hole includes cassette ceiling hole, grouting duct, perforated rebar and filling
Slurry, one upper surface of prefabricated hollow floor offers several grouting ducts, the position in duct of being in the milk is located at cassette ceiling
The surface of hole, and duct of being in the milk is communicated with cassette ceiling hole, and perforated rebar is equipped with cassette ceiling hole, and it is empty
Grouting material is full of in heart floor hole；
The suspention ruggedized construction of the prestress rope includes anchor tool system, preserved pipeline, prestress rope, described reserved
Pipeline is arranged in the grouting material of prefabricated hollow floor one, and the prestress rope is arranged on the prefabricated hollow floor two
Bottom, the both ends of prestress rope are each passed through the preserved pipeline of the prefabricated hollow floor one on two both sides of prefabricated hollow floor,
And anchored by anchor tool system；
The grouting material uses self-compacting concrete；
The preserved pipeline is corrugated pipe pipeline；
The construction method of the anti-bend reinforced structure of the prefabricated hollow floor, it is characterised in that：Comprise the following steps：
The first step：Prefabricated hollow floor one and suspention reinforcing two spaced apart principle of prefabricated hollow floor are reinforced according to core is filled,
Determine to need to fill quantity and position that core reinforces prefabricated hollow floor one, on one surface of prefabricated hollow floor for needing filling core to reinforce
Open up grouting duct；
Second step：By the grouting duct on one surface of prefabricated hollow floor, perforated rebar is arranged in cassette ceiling hole；
3rd step：The preserved pipeline needed for prestress rope is reinforced in the pre-buried suspention of one span centre of prefabricated hollow floor；
4th step：Grouting material is poured into the grouting duct on one surface of prefabricated hollow floor, and vibration compacting makes grouting material, prefabricated sky
One original concrete of heart floor and the perforated rebar of arrangement in cassette ceiling hole are combined into unified entirety；
5th step：Treat that cast-in-place grouting material maintenance reaches the required maintenance time limit, prestress rope is penetrated into preserved pipeline, tensioning
Prestress rope reaches tensioned state, is anchored prestress rope with anchor tool system, so that it is prefabricated to fill core reinforcing
Cassette ceiling one reinforces prefabricated hollow floor two with suspention and is closely linked, and strengthens the globality of floor structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414346.5A CN106088642B (en) | 2016-06-13 | 2016-06-13 | The anti-bend reinforced structure and its construction method of a kind of prefabricated hollow floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610414346.5A CN106088642B (en) | 2016-06-13 | 2016-06-13 | The anti-bend reinforced structure and its construction method of a kind of prefabricated hollow floor |
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| Publication Number | Publication Date |
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| CN106088642A CN106088642A (en) | 2016-11-09 |
| CN106088642B true CN106088642B (en) | 2018-04-13 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836018B (en) * | 2016-12-27 | 2018-11-23 | 中冶建筑研究总院有限公司 | The bottom surface longitudinal cracking reinforcement means of precast hollow slab bridge |
| CN108104504B (en) * | 2018-01-08 | 2021-04-13 | 张家港江苏科技大学产业技术研究院 | Building roof panel reinforcing structure and method for enhancing integrity of building roof panel |
| CN111173309A (en) * | 2020-02-16 | 2020-05-19 | 中冶建筑研究总院（上海）有限公司 | Reinforcing method and reinforcing device for prefabricated slab |
| CN116411674B (en) * | 2023-06-12 | 2023-08-25 | 福建三凯建筑材料有限公司 | Construction method of precast slab combined with cast-in-situ |
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| CN101089335A (en) * | 2006-06-16 | 2007-12-19 | 北京特希达科技有限公司 | Prestress rope anti-bend reinforced concrete structure and its reinforing method |
| JP4324302B2 (en) * | 2000-02-01 | 2009-09-02 | 株式会社大林組 | Reinforcement method for existing structures |
| CN101942904A (en) * | 2010-08-27 | 2011-01-12 | 北京工业大学 | Steel plate-type tensioning and anchoring system for prestress steel stranded wire reinforced concrete flexural member |
| CN104060849A (en) * | 2014-07-05 | 2014-09-24 | 刘广义 | Punching, stacking and reinforcing method of concrete hollow slab |
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2016
- 2016-06-13 CN CN201610414346.5A patent/CN106088642B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4324302B2 (en) * | 2000-02-01 | 2009-09-02 | 株式会社大林組 | Reinforcement method for existing structures |
| CN101089335A (en) * | 2006-06-16 | 2007-12-19 | 北京特希达科技有限公司 | Prestress rope anti-bend reinforced concrete structure and its reinforing method |
| CN101942904A (en) * | 2010-08-27 | 2011-01-12 | 北京工业大学 | Steel plate-type tensioning and anchoring system for prestress steel stranded wire reinforced concrete flexural member |
| CN104060849A (en) * | 2014-07-05 | 2014-09-24 | 刘广义 | Punching, stacking and reinforcing method of concrete hollow slab |
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| CN106088642A (en) | 2016-11-09 |
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