CN201778501U - Slabstone floor system reinforcing structure - Google Patents
Slabstone floor system reinforcing structure Download PDFInfo
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- CN201778501U CN201778501U CN 201020511912 CN201020511912U CN201778501U CN 201778501 U CN201778501 U CN 201778501U CN 201020511912 CN201020511912 CN 201020511912 CN 201020511912 U CN201020511912 U CN 201020511912U CN 201778501 U CN201778501 U CN 201778501U
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- slabstone
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- floor system
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- reinforced mesh
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Abstract
The utility model discloses a slabstone floor system reinforcing structure which adopts a composite reinforcing layer consisting of mesh reinforcement, neat cement paste coating, and modified cement sand pulp coating with strength lower than 25 MPa, wherein the mesh reinforcement is clung to the bottom surface of the slabstone floor system for reinforcing through a connecting piece; the neat cement paste coating is coated on the bottom surface of the slabstone floor system clung with the mesh reinforcement; and the modified cement sand pulp coating is coated on the neat cement paste coating. By adopting the scheme, the utility model has the advantages that firstly, the composite reinforce layer has higher tensile strength and can effectively resist tensile stress at the lower part of the slabstone floor system; secondly, bending resistance bearing capacity is effectively improved and the shock resistance integrity of the slabstone floor system is greatly improved; thirdly, the risk of the breakage of the slabstone floor system reinforced by adopting the structure provided by the utility model is prevented, and the ductility is greatly improved; fourthly, the adopted modified cement sand pulp has favorable cohesive property with natural stone surface and can meet the requirement on suspension resistance in suspension construction when the bottom of the slabstone is reinforced; and fifthly, the composite reinforce layer has low cost and is suitable for stone structure reinforcing and modification in villages and towns.
Description
Technical field
The utility model relates to a kind of construction reinforced structure, specifically is the structure that the anti-bending bearing capacity and the anti-seismic performance of slabstone superstructure are reinforced.This ruggedized construction can be applicable to the bending bearing capacity deficiency or exists natural joint to cause the existing slabstone superstructure of brittle failure to reinforce easily.
Background technology
There are a large amount of stone structure houses in villages and small towns, the southeastern coastal areas, form unique local-style dwelling houses culture.The slabstone superstructure, as this area's stone structure house superstructure form commonly used, because its anti-bending bearing capacity is low and often have natural crack, very easily brittle failure causes stone structure house to have serious potential safety hazard, needs badly and reinforces.
Though regulation in Fujian Province's provincial standard " stone structure earthquake resistant design code " " forbid to adopt slabstone, span greater than the stone beam of 1.2m and independent work stone post as bearing carrier ", and existence in a large number before regulation and stipulation is covered in Shilou County, even is still using in the ALONG COASTAL FUJIAN villages and small towns so far, and its safety issue is badly in need of solving.Do not see the report of any relevant slabstone superstructure flexural property and Research on Reinforcement Method thereof so far as yet.Therefore, be badly in need of the relevant ruggedized construction of utility model, and carry out correlative study work, to satisfy the needs of the villages and small towns stone structure superstructure strengthening reconstruction that southeastern coast has a large capacity and a wide range.
The utility model content
The purpose of this utility model provides that a kind of consolidation effect is superior, applicability is strong, the slabstone superstructure ruggedized construction of good economy performance.
For achieving the above object, the utility model adopts following technical scheme:
Slabstone superstructure ruggedized construction, the composite consolidation layer that constitutes for the modified cement mortar back-up coat that is not less than 25MPa by reinforced mesh, cement paste coating and intensity, above-mentioned reinforced mesh is fitted by connector and is installed on slabstone superstructure bottom surface to be reinforced, above-mentioned cement paste coating is coated on to fit the slabstone superstructure bottom surface of above-mentioned reinforced mesh is installed, and above-mentioned modified cement mortar back-up coat is coated on above-mentioned cement paste coating and the above-mentioned reinforced mesh.
Above-mentioned reinforced mesh is made of crisscross distributing bar that welds together and steel bar stress, wherein, it is the above reinforcing bar of HRB335 of 5mm-8mm that steel bar stress adopts diameter, it is the hard drawn wire reinforcement of 4mm that distributing bar adopts diameter, and the spacing of each steel bar stress is not more than 150mm, and the spacing of each distributing bar is not more than 300mm.
Above-mentioned connector is U-shaped rebar connector or expansion bolt formula connector, plays fixedly reinforced mesh and interface shear stress key.
The thickness of above-mentioned composite consolidation layer is 30mm-50mm.
After adopting such scheme, the utlity model has following advantage: compressive stress was born on top when (1) slabstone superstructure was subjected to bend, and tensile stress is born in the bottom, the utility model is provided with the composite consolidation layer by the bottom at the slabstone superstructure, this composite consolidation layer has than high-tensile, can effectively resist slabstone superstructure bottom tensile stress; (2) the slabstone superstructure is laid by the stone batten and is formed, and globality is relatively poor, and the utility model has not only effectively improved anti-bending bearing capacity by at its bottom integrated reinforced steel net and modified cement mortar layer, has also improved the antidetonation globality of slabstone superstructure greatly; (3), improved the anti-ability that collapses under earthquake and impact load because reinforcing bar has good ductility, and the danger of unexpected brittle failure can not take place the slabstone superstructure after the reinforcing, and ductility is greatly improved; (4) reach capacity and the evolution of tangible crack is arranged before the bearing capacity, obvious omen is arranged before the destruction, safety further improves; (5) modified cement mortar that adopts in the utility model not only has the bonds well performance with the lithotome interface, and can satisfy anti-hanging from above the property requirement of hanging upside down construction when the slabstone bottom reinforces; (6) the composite consolidation layer in the inventive method is cheap, is suitable for villages and small towns stone structure strengthening reconstruction.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the scheme of installation of reinforced mesh in the utility model.
The specific embodiment
Slabstone superstructure ruggedized construction of the present utility model, as shown in Figure 1, 2, the thickness that constitutes for the modified cement mortar back-up coat 3 that is not less than 25MPa by reinforced mesh 1, cement paste coating 2 and intensity is the composite consolidation layer of 30mm-50mm, reinforced mesh 1 is fitted by U-shaped connector 5 and is installed on slabstone superstructure 4 bottom surfaces to be reinforced, cement paste coating 2 is coated on to fit slabstone superstructure 4 bottom surfaces of reinforced mesh 1 is installed, and modified cement mortar back-up coat 3 is coated on cement paste coating 2 and the reinforced mesh 1.
Reinforced mesh 1 is made of crisscross distributing bar that welds together 11 and steel bar stress 12, wherein, it is HRB335 and the above reinforcing bar of 5mm-8mm that steel bar stress 12 adopts diameter, it is the hard drawn wire reinforcement of 4mm that distributing bar 11 adopts diameter, and the spacing of each steel bar stress 12 is not more than 150mm, and the spacing of each distributing bar 11 is not more than 300mm.
Connector 5 can adopt U-shaped rebar connector or expansion bolt formula connector, plays fixedly reinforced mesh and interface shear stress key.
Slabstone superstructure ruggedized construction of the present utility model, can adopt following concrete implementation step to install and realize:
(1) required steel bar stress 12 areas cover anti-bending bearing capacity design formulas (formula 1) according to flooring is stressed with reinforcing Shilou County.
Wherein, η
1-reinforcing bar ultimate tensile strength performance coefficient, in reinforcement ratio is 0.23%～0.35% scope, η
1Value is about 1.0～0.8; ξ-relative height of compression zone gets ξ=0.13 by test strain measurement result data statistical regression.
(2) steel bar stress 12 and the distributing bar of determining according to said method 11, and make reinforced mesh 1 according to the standard width of a room in an old-style house and the depth size of slabstone superstructure.Steel bar stress 12 (along stone batten length direction) is suitable elongated, and distributing bar 11 sectionals are made, conveniently to install and fix.
(3) utilize connector 5 that reinforced mesh 1 is forward fitted and be installed in slabstone superstructure 4 bottom surfaces to be reinforced, connector can adopt U-shaped rebar connector or expansion bolt formula connector, plays fixedly reinforced mesh and interface shear stress key.During construction, in the punching of slabstone superstructure 4 bottom surfaces, in the hole, directly lock expansion bolt then, or in the hole, fill out structure glue and insert implanted U-shaped connector more earlier.Adopt the situation of implanted U-shaped connector, temporary fixed measure should be arranged, and treat that structure glue had more than 24 after hour hardening time, can carry out follow-up construction operation.
(4) the slabstone superstructure 4 coated on bottom side brushes cement paste of reinforced mesh 1 is installed in applying, on slabstone superstructure 4 bottom surfaces and reinforced mesh 1, forms cement paste coating 2, in order to strengthen the adhesion stress of back-up coat and slabstone as primary coat.
(5) mix meets the modified cement mortar of fastening strength requirement (intensity is not less than 25MPa) and workability requirement.This modified cement mortar is that 1: 2.5: 0.45 cement, sand and water mix forms by part by weight mainly, and when mix, add the cellulose ether of cement weight 1 ‰～5 ‰, with improve its anti-hang from above performance and with the adhesive property of stone material, be convenient in slabstone superstructure bottom surface reversal of the natural order of things and smear.
(6) on cement paste coating 2, smear above-mentioned modified cement mortar, formation is covered in the modified cement mortar back-up coat 3 on reinforced mesh 1 and the cement paste coating 2, the final composite consolidation layer that is made of reinforced mesh 1, cement paste coating 2 and modified cement mortar back-up coat 3 that forms, the thickness of this composite consolidation layer is 30mm-50mm.The mode that modified cement mortar adopts gradation to smear, smearing thickness should not be too thick for the first time, is advisable to guarantee that reinforcing bar bonds, and smears the time interval should not be less than 8 hours at every turn, divides to finish to smear for three times and be advisable.
Claims (4)
1. slabstone superstructure ruggedized construction, it is characterized in that: the composite consolidation layer that constitutes for the modified cement mortar back-up coat that is not less than 25MPa by reinforced mesh, cement paste coating and intensity, above-mentioned reinforced mesh is fitted by connector and is installed on slabstone superstructure bottom surface to be reinforced, above-mentioned cement paste coating is coated on to fit the slabstone superstructure bottom surface of above-mentioned reinforced mesh is installed, and above-mentioned modified cement mortar back-up coat is coated on above-mentioned cement paste coating and the above-mentioned reinforced mesh.
2. slabstone superstructure ruggedized construction according to claim 1, it is characterized in that: above-mentioned reinforced mesh is made of crisscross distributing bar that welds together and steel bar stress, wherein, it is the above reinforcing bar of HRB335 of 5mm-8mm that steel bar stress adopts diameter, it is the hard drawn wire reinforcement of 4mm that distributing bar adopts diameter, and the spacing of each steel bar stress is not more than 150mm, and the spacing of each distributing bar is not more than 300mm.
3. slabstone superstructure ruggedized construction according to claim 1 is characterized in that: above-mentioned connector is U-shaped rebar connector or expansion bolt formula connector.
4. slabstone superstructure ruggedized construction according to claim 1 is characterized in that: the thickness of above-mentioned composite consolidation layer is 30mm-50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020511912 CN201778501U (en) | 2010-08-23 | 2010-08-23 | Slabstone floor system reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020511912 CN201778501U (en) | 2010-08-23 | 2010-08-23 | Slabstone floor system reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201778501U true CN201778501U (en) | 2011-03-30 |
Family
ID=43791715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020511912 Expired - Fee Related CN201778501U (en) | 2010-08-23 | 2010-08-23 | Slabstone floor system reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201778501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590521A (en) * | 2013-11-28 | 2014-02-19 | 东南大学 | Prefabricated reinforcement stone floor slab and manufacturing method thereof |
| CN104746890A (en) * | 2015-01-29 | 2015-07-01 | 天津市房屋质量安全鉴定检测中心 | Method for strengthening dense-rib hollow brick floor slab |
| CN107269022A (en) * | 2017-08-10 | 2017-10-20 | 沈阳建筑大学建筑设计研究院 | The structure and method of a kind of concrete panels |
-
2010
- 2010-08-23 CN CN 201020511912 patent/CN201778501U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103590521A (en) * | 2013-11-28 | 2014-02-19 | 东南大学 | Prefabricated reinforcement stone floor slab and manufacturing method thereof |
| CN104746890A (en) * | 2015-01-29 | 2015-07-01 | 天津市房屋质量安全鉴定检测中心 | Method for strengthening dense-rib hollow brick floor slab |
| CN107269022A (en) * | 2017-08-10 | 2017-10-20 | 沈阳建筑大学建筑设计研究院 | The structure and method of a kind of concrete panels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20120823 |