CN103075022A - Hidden beam structure added to existing building masonry and construction method for adding hidden beam structure to existing building masonry - Google Patents
Hidden beam structure added to existing building masonry and construction method for adding hidden beam structure to existing building masonry Download PDFInfo
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- CN103075022A CN103075022A CN2012104461756A CN201210446175A CN103075022A CN 103075022 A CN103075022 A CN 103075022A CN 2012104461756 A CN2012104461756 A CN 2012104461756A CN 201210446175 A CN201210446175 A CN 201210446175A CN 103075022 A CN103075022 A CN 103075022A
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Abstract
The invention discloses a hidden beam structure added to the existing building masonry and a construction method of the hidden beam structure added to the existing building masonry. The hidden beam structure comprises a wall body with a peeled mortar layer, wherein groove bodies, batten plate holes and tie steel bar holes are arranged in the wall body, groove steel is bonded in the groove bodies, welding holes are arranged in the groove steel, groove steel arranged at two sides of the wall body is connected through round steel, the round steel is arranged in the tie steel bar holes, two ends of the round steel are fixed with the groove steel through plug welding, batten plates are welded on wind plates arranged at two sides of the groove steel, the batten plates pass through the batten plate holes for connecting the groove steel arranged at two sides of the wall body, spaces between the batten plates and the wall body are fully filled by polymer mortar, and the periphery of gaps around the groove steel is fully filled with the polymer mortar. The groove steel is added at two sides of the wall body, in addition, wall penetrating steel bars and the batten plates are welded so that the groove steel is tightly buckled with the wall body, the compressive pre-stress is generated on the wall body, bonding materials are filled between the groove steel and the wall body to form a combination stress body, the goal of jointly bearing the upper load is reached, and the hidden beam structure is generally used for reinforcing the wall body with insufficient intensity and reinforcing the wall body crack.
Description
Technical field
The invention belongs to the realm of building construction, being specifically related to a kind ofly increases the method that dark beam is reinforced to existing building.
Background technology
The strengthening reconstruction of existing building is emerging technical field of buildings., artificial damage improper owing to natural elegance and talent, the working service of constructional materials, design and construction defective and use the reason such as function environment variation; perhaps the historical relic's protection building need to carry out strengthening reconstruction to existing building; wherein in most cases relate to load-carrying members; for guaranteeing safe handling, the strengthening reconstruction scheme must satisfy the requirement of current specifications.
Summary of the invention
The objective of the invention is for above-mentioned the deficiencies in the prior art, provide a kind of existing building masonry to increase dark girder construction and job practices thereof, can reinforce existing body of wall.
Technical scheme of the present invention realizes in the following manner: a kind of existing building masonry increases dark girder construction, comprise the body of wall of peeling off rendering layer, offer cell body on the body of wall, batten plate hole and ligation reinforced hole, channel-section steel is bonded in the cell body, channel-section steel is provided with welding hole, the channel-section steel of body of wall both sides links to each other by round steel, round steel is arranged in the steel tie hole, round steel two ends and channel-section steel plug welding are fixed, be welded with batten plate on the wing plate of channel-section steel both sides, batten plate passes the batten plate hole channel-section steel of body of wall both sides is linked up, and adopts the polymer mortar to tamp between batten plate and the body of wall, tamps the polymer mortar around the slit around the channel-section steel.
A kind of existing building masonry increases the job practices of dark girder construction, carries out in the following manner:
(1) peel off on the metope of original building masonry both sides the finish plaster layer of intending increasing in the dark beam scope after, body of wall slot body, open the batten plate hole, bore the steel tie hole, surface of wall cleaned out and sprayed water moistening;
(2) intercepting channel-section steel;
(3) the channel-section steel inner surface eliminates rust to metallic luster, and the channel-section steel web is every a segment distance burr-drill shape plug welding hole;
(4) the channel-section steel inboard evenly paves to reinforce and uses binding material, and channel-section steel is buckled in the cell body;
(5) verticality, the planeness of adjustment channel-section steel, wear a split bolt every a steel tie hole, be pressed in the body of wall by the channel-section steel of cross-arm with the body of wall both sides, knock simultaneously binding material is extruded, channel-section steel and body of wall are combined closely, and penetrate round steel in other steel tie holes, round steel two ends and channel-section steel plug welding, remove afterwards split bolt, cross-arm, change round steel in the relevant position;
(6) weld a batten plate at channel airfoil plate every a segment distance, batten plate passes batten plate hole and the welding of body of wall both sides channel airfoil plate on the body of wall, tamps with polymer mortar between batten plate and the body of wall;
(7) tamp channel-section steel slit all around with the polymer mortar layering, the channel-section steel surface derusting is to metallic luster, the brushwork epoxy resin anticorrosive paint covers channel-section steel and whole metope of being stripped from the finish plaster layer with one deck alkali-proof glass fiber mesh, recovers at last the rendering layer of metope.
The present invention is by the additional channel-section steel in the body of wall both sides, and make the channel-section steel body of wall that links closely with the welding of reinforcing bar through walls and batten plate, body of wall is produced compressive pre-stress, fill out with binding material between channel-section steel and the body of wall and form combination stressed body, reach the purpose of jointly bearing upper load, usually be used in body of wall, the reinforcing wall crack of fastening strength deficiency.
Description of drawings
Fig. 1 is existing wall body structure schematic diagram.
Fig. 2 is that schematic diagram is looked on the left side of Fig. 1.
Fig. 3 is body of wall machining state schematic diagram.
Fig. 4 is that the A-A of Fig. 3 is to sectional view.
Fig. 5 is that the B-B of Fig. 3 is to sectional view.
Fig. 6 is that body of wall arranges structural representation behind the channel-section steel.
Fig. 7 is that the C-C of Fig. 6 is to schematic diagram.
Fig. 8 is that the D-D of Fig. 6 is to schematic diagram.
Fig. 9 is that the present invention is used for the digging hole in wall view.
The specific embodiment
As shown in drawings, a kind of existing building masonry increases dark girder construction, comprise the body of wall of peeling off rendering layer 1, offer cell body 2 on the body of wall, batten plate hole 3 and ligation reinforced hole 4, channel-section steel 5 is bonded in the cell body 2, channel-section steel 5 is provided with welding hole 7, the channel-section steel 5 of body of wall both sides links to each other by round steel 10, round steel 10 is arranged in the steel tie hole 4, round steel 10 two ends and channel-section steel 5 plug weldings are fixed, and are welded with batten plate 6 on the wing plate of channel-section steel 5 both sides, and batten plate 6 passes batten plate hole 3 channel-section steel 5 of body of wall both sides is linked up, adopt the polymer mortar to tamp between batten plate 6 and the body of wall, tamp the polymer mortar around the slit 12 around the channel-section steel.Comprise lintel 13 among Fig. 9.
A kind of existing building masonry increases the job practices of dark girder construction, carries out in the following manner:
(1) peel off on the metope of original building masonry both sides the finish plaster layer 1 of intending increasing in the dark beam scope after, according to dark beam size at body of wall corresponding site fluting body 2, open batten plate hole 3, drill diameter D22 steel tie hole 4, surface of wall is cleaned out and sprayed water moisteningly with wire brush, described D22 refers to that diameter is 22mm;
(2) channel-section steel 5 of the dark beam size intercepting of basis corresponding length, corresponding 240 brick walls are selected the channel-section steel of 25a model, keep the long 50mm of channel airfoil plate, clip 50mm part in addition;
(3) channel-section steel 5 inner surfaces eliminate rust to metallic luster, and the channel-section steel web bores inside diameter D 22 conical plug welding holes 7 every 300mm;
(4) evenly the pave thick latex cement of 5mm or polymer mortar etc. of channel-section steel 5 inboards reinforced and use binding material, and channel-section steel 5 is buckled in the cell body 2, and for the ease of the installation channel-section steel, the width of cell body 2 is greater than channel-section steel width 5mm;
(5) verticality, the planeness of adjustment channel-section steel 5, wear a D20 split bolt 8 every a steel tie hole 4, be pressed in the body of wall by the channel-section steel 5 of cross-arm 9 with the body of wall both sides, knocking with rubber hammer simultaneously extrudes binding material, channel-section steel 5 is combined closely with body of wall, penetrates the round steel 10 of D20 in other steel tie holes 4, round steel 10 two ends and channel-section steel 5 plug weldings, remove afterwards split bolt 8, cross-arm 9, change round steel 10 in the relevant position into;
(6) at the batten plate 6 of channel-section steel 5 wing plates every a 50mm * 6mm of 300mm welding, batten plate 6 passes the batten plate hole 3 and the welding of body of wall both sides channel-section steel 5 wing plates on the body of wall, tamps with polymer mortar between batten plate 6 and the body of wall;
(7) tamp channel-section steel 5 slit 12 all around with the polymer mortar layering, channel-section steel 5 surface derustings are to metallic luster, the brushwork epoxy resin anticorrosive paint covers channel-section steel and whole metope of being stripped from the finish plaster layer with one deck alkali-proof glass fiber mesh, recovers at last the rendering layer of metope.
Claims (2)
1. an existing building masonry increases dark girder construction, comprise the body of wall of peeling off rendering layer (1), it is characterized in that: offer cell body (2) on the body of wall, batten plate hole (3) and ligation reinforced hole (4), channel-section steel (5) is bonded in the cell body (2), channel-section steel (5) is provided with welding hole (7), the channel-section steel of body of wall both sides (5) links to each other by round steel (10), round steel (10) is arranged in the steel tie hole (4), round steel (10) two ends and channel-section steel (5) plug welding are fixed, be welded with batten plate (6) on the wing plate of channel-section steel (5) both sides, batten plate (6) passes batten plate hole (3) channel-section steel (5) of body of wall both sides is linked up, adopt the polymer mortar to tamp between batten plate (6) and the body of wall, the polymer mortar is tamped in the slit (12) around the channel-section steel on every side.
2. an existing building masonry increases the job practices of dark girder construction, it is characterized in that carrying out in the following manner:
(1) peel off on the metope of original building masonry both sides the finish plaster layer (1) of intending increasing in the dark beam scope after, body of wall slot body (2), open batten plate hole (3), bore steel tie hole (4), surface of wall cleaned out and sprayed water moistening;
(2) intercepting channel-section steel (5);
(3) channel-section steel (5) inner surface eliminates rust to metallic luster, and the channel-section steel web is every a segment distance burr-drill shape plug welding hole (7);
(4) channel-section steel (5) inboard evenly paves to reinforce and uses binding material, and channel-section steel (5) is buckled in the cell body (2);
(5) verticality, the planeness of adjustment channel-section steel (5), wear a split bolt (8) every a steel tie hole (4), be pressed in the body of wall by the channel-section steel (5) of cross-arm (9) with the body of wall both sides, knock simultaneously binding material is extruded, channel-section steel (5) is combined closely with body of wall, penetrates round steel (10) in other steel tie holes (4), round steel (10) two ends and channel-section steel (5) plug welding, remove afterwards split bolt (8), cross-arm (9), change round steel (10) in the relevant position into;
(6) weld a batten plate (6) at channel-section steel (5) wing plate every a segment distance, batten plate (6) passes the batten plate hole (3) and the welding of body of wall both sides channel-section steels (5) wing plate on the body of wall, tamps with polymer mortar between batten plate (6) and the body of wall;
(7) tamp channel-section steel (5) slit (12) all around with the polymer mortar layering, channel-section steel (5) surface derusting is to metallic luster, the brushwork epoxy resin anticorrosive paint, cover channel-section steel and whole metope of being stripped from the finish plaster layer with one deck alkali-proof glass fiber mesh, recover at last the rendering layer of metope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210446175.6A CN103075022B (en) | 2012-11-09 | 2012-11-09 | A kind of existing building masonry increases dark girder construction and construction method thereof |
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| CN201210446175.6A CN103075022B (en) | 2012-11-09 | 2012-11-09 | A kind of existing building masonry increases dark girder construction and construction method thereof |
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| CN103075022A true CN103075022A (en) | 2013-05-01 |
| CN103075022B CN103075022B (en) | 2016-02-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165435A (en) * | 2016-02-28 | 2017-09-15 | 叶香竹 | A kind of reinforced construction method for having a crack interior wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070107328A1 (en) * | 2005-10-21 | 2007-05-17 | Munch James A | Panel attachment system |
| CN101250886A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Method for reinforcing masonry structure building base |
| CN201610597U (en) * | 2008-09-27 | 2010-10-20 | 张坦贤 | Novel anti-seismic reinforcement ring beam |
| CN102587683A (en) * | 2011-01-07 | 2012-07-18 | 上海市第二建筑有限公司 | Method for reinforcing wall surfaces of buildings |
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2012
- 2012-11-09 CN CN201210446175.6A patent/CN103075022B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070107328A1 (en) * | 2005-10-21 | 2007-05-17 | Munch James A | Panel attachment system |
| CN101250886A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Method for reinforcing masonry structure building base |
| CN201610597U (en) * | 2008-09-27 | 2010-10-20 | 张坦贤 | Novel anti-seismic reinforcement ring beam |
| CN102587683A (en) * | 2011-01-07 | 2012-07-18 | 上海市第二建筑有限公司 | Method for reinforcing wall surfaces of buildings |
Non-Patent Citations (1)
| Title |
|---|
| 刘威: "槽钢-砖砌体组合梁、柱承载能力试验与理论研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》, 15 April 2012 (2012-04-15), pages 9 - 10 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107165435A (en) * | 2016-02-28 | 2017-09-15 | 叶香竹 | A kind of reinforced construction method for having a crack interior wall |
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| CN103075022B (en) | 2016-02-03 |
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