CN203394092U - Concrete hollow block masonry structure reinforced by adopting internal prestressing force - Google Patents
Concrete hollow block masonry structure reinforced by adopting internal prestressing force Download PDFInfo
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- CN203394092U CN203394092U CN201320406785.3U CN201320406785U CN203394092U CN 203394092 U CN203394092 U CN 203394092U CN 201320406785 U CN201320406785 U CN 201320406785U CN 203394092 U CN203394092 U CN 203394092U
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Abstract
The utility model relates to a concrete hollow block masonry structure reinforced by adopting internal prestressing force, and belongs to the field of shock reinforcement. The concrete hollow block masonry structure comprises a wall body, prestressed steel bar anchor rods and a foundation, wherein the wall body consists of a concrete hollow block masonry structure; the foundation is a strip-shaped foundation under a wall; the prestressed steel bar anchor rods are uniformly inserted into the wall body vertically; the upper ends of the prestressed steel bar anchor rods are anchored by adopting bolt-including anchorage devices; the lower ends of the prestressed steel bar anchor rods are anchored in the foundation; thin-walled steel pipes or plastic pipes are sleeved on the prestressed steel bar anchor rods; mortar is poured between the thin-walled steel pipes or the plastic pipes and concrete hollow building blocks of the wall body. According to the structure, the characteristics of a building body structural material can be improved, the crack resistance, shock resistance and shear resistance of the building body structure are enhanced, and the existing buildings can meet the requirements of subsequent safety use, shock resistance, energy saving and environmental protection after prestressing reinforcement and modification.
Description
Technical field
The utility model relates to a kind of Concrete Hollow Block Masonry Structures that adopts inner prestressed reinforcement, belongs to seismic hardening field.
Background technology
The technology that adopts inner prestressed reinforcement anchor pole to carry out seismic hardening is a kind of brand-new seismic hardening thinking.Traditional employing prestressing technique is carried out Shockproof reinforcing method all can produce considerable influence in wall outside on to the outward appearance of original structure, structure and construction technology.This technology is by inserting prestressed reinforcement anchor pole and carry out pressure grouting in small hollow concrete block masonry wall, tension reinforcing steel bar carries out anchoring again, form prestressing force grouting rock bolt small hollow concrete block masonry structure is carried out to seismic hardening, for masonry structure being carried out to the method for seismic hardening, create wide application conditions, and represented the prospect of practical application.But, China does not also have corresponding standard and using standard at present, and for rational computational methods, prestressed stretch-draw, anchoring, optimum prestress degree and the problems such as method that prevent Relaxation of prestressing also need to study further, test and engineering practice, for this technology of promotion and application creates conditions.
Utility model content
The utility model is for the problems referred to above, a kind of Concrete Hollow Block Masonry Structures that adopts inner prestressed reinforcement is proposed, adopt inner prestressed reinforcement anchor pole to carry out seismic hardening to Concrete Hollow Block Masonry Structures, mainly by insert prestressed reinforcement anchor pole in concrete hollow block wall, and carry out pressure grouting, tension reinforcing steel bar carries out anchoring again, form prestressing force grouting rock bolt Concrete Hollow Block Masonry Structures is carried out to seismic hardening, wherein prestressed reinforcement anchor pole adopts the form being vertically evenly arranged, utilize the vertical through holes arrangement prestress reinforced anchor bolt of concrete hollow block, can convenient construction, saved bore operation.
To achieve these goals, the utility model has been taked following technical scheme:
Adopt a Concrete Hollow Block Masonry Structures for inner prestressed reinforcement, comprise body of wall, prestressed reinforcement anchor pole, basis; Described body of wall consists of Concrete Hollow Block Masonry Structures, and described basis is strip foundation under wall, and described prestressed reinforcement anchor pole is vertically evenly inserted in body of wall; The upper end of described prestressed reinforcement anchor pole adopts the anchoring of strap bolt ground tackle, and the lower end of prestressed reinforcement anchor pole is anchored in basis; On prestressed reinforcement anchor pole, be arranged with thin-wall steel tube or plastic pipe, between thin-wall steel tube or plastic pipe and the concrete hollow block of body of wall, be perfused with mortar.
In described body of wall, every 5～6 building blocks, be provided with horizontal mesh reinforcement sheet.
Described horizontal mesh reinforcement sheet adopts φ 6 reinforcing bars to be welded.
Described prestressed reinforcement anchor pole adopts φ 16～φ 18 prestressed reinforcement anchor poles.
The vertical arrangement pitch of described prestressed reinforcement anchor pole is 400mm～600mm.
In described basis, be provided with that " L ”Xing hole, the lower end of prestressed reinforcement anchor pole is anchored at described " in L ”Xing hole.
Described prestressed reinforcement anchor pole is " anchorage length in L ”Xing hole is not less than 700mm.
" L ”Xing is perfused with C30 concrete in hole.
It is described that " cross section at L ”Xing hole is rectangle, and its sectional dimension is 650mm * 450mm.
The concrete construction method of the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of above-mentioned employing is as follows:
Step 1: the body of wall that adopts grouting rock bolt to reinforce to need according to design drawing carries out unwrapping wire and is vertically evenly arranged hole along vertical wall direction;
Step 2: excavation open drain, outside, basis under wall, along opening " L ”Xing hole under the vertical projecting direction of hole;
Step 3: will put thin-wall steel tube or plastic pipe after the oiling of prestressed reinforcement anchor pole, be inserted in above-mentioned hole, prestressed reinforcement anchor pole is arranged in body of wall;
Step 4: adjust prestressed reinforcement rock-bolt length ，Shi Qi lower end go deep into above-mentioned " L ”Xing hole, its anchorage length is not less than 700mm, and with C30 concrete, above-mentioned hole is tamped, and makes lower end and the basic anchoring of prestressed reinforcement anchor pole;
Step 5: adopt pneumatic propelling slurry filling machine to carry out slip casing by pressure, the gap between concrete hollow block and thin-wall steel tube or plastic pipe is filled with to real with mortar;
Step 6: after mortar strength reaches design strength, the bolt of tightening prestressed reinforcement anchor pole upper end with torque wrench applies prestressed stretch-draw, and adopt the anchoring of strap bolt ground tackle.
Beneficial effect: can effectively improve body of wall cracking resistance, shear behavior, suppress wall crazing, suppress crack progressing, improve the anti-seismic performance of masonry structure, particularly can effectively improve Seismic Bearing Capacity to existing masonry building seismic hardening.
Accompanying drawing explanation
Fig. 1 is that the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing of the present utility model is arranged master drawing.
Fig. 2 is the A-A sectional drawing of Fig. 1.
In figure, 1 body of wall; 2 prestressed reinforcement anchor poles; 3 bases; 4 thin-wall steel tubes or plastic pipe; 5 horizontal mesh reinforcement sheets; 6 ground tackles.
The specific embodiment
As shown in Fig. 1～Fig. 2, the specific embodiment of the present utility model is as follows:
Adopt a Concrete Hollow Block Masonry Structures for inner prestressed reinforcement, comprise body of wall 1, prestressed reinforcement anchor pole 2, basis 3; Body of wall 1 consists of Concrete Hollow Block Masonry Structures, basis 3 is strip foundation under wall, prestressed reinforcement anchor pole 2 is vertically evenly inserted in body of wall 1, prestressed reinforcement anchor pole 2 adopts φ 16～φ 18 prestressed reinforcement anchor poles 2, and the vertical arrangement pitch of prestressed reinforcement anchor pole 2 is 400mm～600mm; Basis be provided with in 3 " L ”Xing hole, that the lower end of prestressed reinforcement anchor pole 2 is anchored at is described, and " in L ”Xing hole, prestressed reinforcement anchor pole 2 is " anchorage length in L ”Xing hole is not less than 700mm, is perfused with C30 concrete in hole; The upper end of prestressed reinforcement anchor pole 2 adopts 6 anchorings of strap bolt ground tackle, and the lower end of prestressed reinforcement anchor pole 2 is anchored in basis 3; On prestressed reinforcement anchor pole 2, be arranged with thin-wall steel tube or plastic pipe 4, between thin-wall steel tube or plastic pipe 4 and the concrete hollow block of body of wall 1, be perfused with mortar.In body of wall 1, every 5～6 building blocks, be provided with horizontal mesh reinforcement sheet 5, horizontal mesh reinforcement sheet 5 adopts φ 6 reinforcing bars to be welded.Wherein, " cross section at L ”Xing hole is rectangle, and its sectional dimension is 650mm * 450mm.
The concrete construction method of the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of above-mentioned employing is as follows:
Step 1: the body of wall 1 that adopts grouting rock bolt to reinforce to need according to design drawing carries out unwrapping wire and is vertically evenly arranged hole along vertical wall direction;
Step 2: basic 3 excavation open drains, outside under wall, along opening under the vertical projecting direction of hole " L ”Xing hole, " cross section at L ”Xing hole is rectangle, and its sectional dimension is 650mm * 450mm;
Step 3: by putting thin-wall steel tube or plastic pipe 4 after 2 oilings of prestressed reinforcement anchor pole, be inserted in above-mentioned hole, prestressed reinforcement anchor pole 2 is arranged in body of wall 1;
Step 4: adjust prestressed reinforcement anchor pole 2 length ，Shi Qi lower ends go deep into above-mentioned " L ”Xing hole, its anchorage length is not less than 700mm, and with C30 concrete, above-mentioned hole is tamped, and makes lower end and basic 3 anchorings of prestressed reinforcement anchor pole 2;
Step 5: adopt pneumatic propelling slurry filling machine to carry out slip casing by pressure, the gap between concrete hollow block and thin-wall steel tube or plastic pipe 4 is filled with to real with mortar;
Step 6: after mortar strength reaches design strength, the bolt of tightening prestressed reinforcement anchor pole 2 upper ends with torque wrench applies prestressed stretch-draw, and adopt 6 anchorings of strap bolt ground tackle.
Be more than an exemplary embodiments of the present utility model, enforcement of the present utility model is not limited to this.
Claims (9)
1. a Concrete Hollow Block Masonry Structures that adopts inner prestressed reinforcement, is characterized in that: comprise body of wall (1), prestressed reinforcement anchor pole (2), basis (3); Described body of wall (1) consists of Concrete Hollow Block Masonry Structures, and described basis (3) are strip foundation under wall, and described prestressed reinforcement anchor pole (2) is vertically evenly inserted in body of wall (1); The upper end of described prestressed reinforcement anchor pole (2) adopts strap bolt ground tackle (6) anchoring, and the lower end of prestressed reinforcement anchor pole (2) is anchored in basis (3); On prestressed reinforcement anchor pole (2), be arranged with thin-wall steel tube or plastic pipe (4), between thin-wall steel tube or plastic pipe (4) and the concrete hollow block of body of wall (1), be perfused with mortar.
2. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 1, is characterized in that: in described body of wall (1), every 5～6 building blocks, be provided with horizontal mesh reinforcement sheet (5).
3. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 2, is characterized in that: described horizontal mesh reinforcement sheet (5) adopts φ 6 reinforcing bars to be welded.
4. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 1, is characterized in that: described prestressed reinforcement anchor pole (2) adopts φ 16～φ 18 prestressed reinforcement anchor poles (2).
5. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 1, is characterized in that: the vertical arrangement pitch of described prestressed reinforcement anchor pole (2) is 400mm～600mm.
6. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 1, it is characterized in that: described basis is provided with in (3) that " L ”Xing hole, the lower end of prestressed reinforcement anchor pole (2) is anchored at described " in L ”Xing hole.
7. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 6, is characterized in that: described prestressed reinforcement anchor pole (2) is " anchorage length in L ”Xing hole is not less than 700mm.
8. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 6, is characterized in that: " L ”Xing is perfused with C30 concrete in hole.
9. the Concrete Hollow Block Masonry Structures of the inner prestressed reinforcement of employing according to claim 6, is characterized in that: described " cross section at L ”Xing hole is rectangle, and its sectional dimension is 650mm * 450mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406785.3U CN203394092U (en) | 2013-07-09 | 2013-07-09 | Concrete hollow block masonry structure reinforced by adopting internal prestressing force |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320406785.3U CN203394092U (en) | 2013-07-09 | 2013-07-09 | Concrete hollow block masonry structure reinforced by adopting internal prestressing force |
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| CN203394092U true CN203394092U (en) | 2014-01-15 |
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| CN201320406785.3U Expired - Fee Related CN203394092U (en) | 2013-07-09 | 2013-07-09 | Concrete hollow block masonry structure reinforced by adopting internal prestressing force |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412081A (en) * | 2018-01-30 | 2018-08-17 | 天津城建大学 | It is applied with the building construction method of horizontal prestressed masonry structure and masonry |
| CN109972852A (en) * | 2019-03-25 | 2019-07-05 | 北京筑福国际抗震技术有限责任公司 | It is a kind of that building-block structure and its construction method are reinforced using vertical through holes merging prestressed anchor pressure grouting |
| CN110616826A (en) * | 2019-08-23 | 2019-12-27 | 重庆三峡学院 | Sliding shock isolation device of girderless masonry structure |
-
2013
- 2013-07-09 CN CN201320406785.3U patent/CN203394092U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412081A (en) * | 2018-01-30 | 2018-08-17 | 天津城建大学 | It is applied with the building construction method of horizontal prestressed masonry structure and masonry |
| CN109972852A (en) * | 2019-03-25 | 2019-07-05 | 北京筑福国际抗震技术有限责任公司 | It is a kind of that building-block structure and its construction method are reinforced using vertical through holes merging prestressed anchor pressure grouting |
| CN110616826A (en) * | 2019-08-23 | 2019-12-27 | 重庆三峡学院 | Sliding shock isolation device of girderless masonry structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Beijing Aeido International Engineering Technology Co., Ltd. Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 Termination date: 20170709 |