CN103075022B - A kind of existing building masonry increases dark girder construction and construction method thereof - Google Patents
A kind of existing building masonry increases dark girder construction and construction method thereof Download PDFInfo
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- CN103075022B CN103075022B CN201210446175.6A CN201210446175A CN103075022B CN 103075022 B CN103075022 B CN 103075022B CN 201210446175 A CN201210446175 A CN 201210446175A CN 103075022 B CN103075022 B CN 103075022B
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Abstract
The present invention discloses a kind of existing building masonry increases dark girder construction and construction method thereof, comprise the body of wall peeling off rendering layer, body of wall offers cell body, batten plate hole and ligation reinforced hole, channel-section steel is bonded in cell body, channel-section steel is provided with welding hole, the channel-section steel of body of wall both sides is connected by round steel, round steel is arranged in steel tie hole, round steel two ends and channel-section steel plug welding are fixed, the wing plate of channel-section steel both sides is welded with batten plate, the channel-section steel of body of wall both sides links up through batten plate hole by batten plate, polymer mortar is adopted to tamp between batten plate and body of wall, polymer mortar is tamped around the gap of channel-section steel surrounding.The present invention is by adding channel-section steel in body of wall both sides, and with reinforcing bar through walls and batten plate welding, channel-section steel is linked closely body of wall, compressive pre-stress is produced to body of wall, fill out between channel-section steel and body of wall and form combination stressed body with binding material, reach the object of jointly bearing upper load, be usually used in the body of wall of fastening strength deficiency, reinforcing wall crack.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related to a kind ofly increase the method that dark beam carries out reinforcing to existing building.
Background technology
The strengthening reconstruction of existing building is emerging technical field of buildings.Because the natural elegance and talent of constructional materials, working service are improper, the reason such as artificial damage, design and construction defect and using function environmental change; or what historical relic's protection was built needs to carry out strengthening reconstruction to existing building; wherein in most cases relate to load-carrying members; for ensureing safe handling, renovation program for reinforcement must meet the requirement of current specifications.
Summary of the invention
The object 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 construction method thereof, existing body of wall can be reinforced.
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 peeling off rendering layer, body of wall offers cell body, batten plate hole and ligation reinforced hole, channel-section steel is bonded in cell body, channel-section steel is provided with welding hole, the channel-section steel of body of wall both sides is connected by round steel, round steel is arranged in steel tie hole, round steel two ends and channel-section steel plug welding are fixed, the wing plate of channel-section steel both sides is welded with batten plate, the channel-section steel of body of wall both sides links up through batten plate hole by batten plate, polymer mortar is adopted to tamp between batten plate and body of wall, polymer mortar is tamped around the gap of channel-section steel surrounding.
Existing building masonry increases a construction method for dark girder construction, carries out in the following manner:
(1) peel off after original building masonry both sides metopes intends increasing the finish plaster layer within the scope of dark beam, body that body of wall is slotted, open batten plate hole, bore steel tie hole, surface of wall is cleaned out and sprays water moistening;
(2) channel-section steel is intercepted;
(3) rust cleaning of channel-section steel inner surface is to metallic luster, and channel-section steel web is every a segment distance burr-drill shape plug welding hole;
(4) evenly pave inside channel-section steel reinforcing binding material, is buckled in by channel-section steel in cell body;
(5) verticality, the planeness of channel-section steel is adjusted, a split bolt is worn every a steel tie hole, by cross-arm, the channel-section steel of body of wall both sides is pressed in body of wall, knock simultaneously and 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 split bolt, cross-arm afterwards, change round steel in relevant position;
(6) weld a batten plate at channel airfoil plate every a segment distance, batten plate welds with body of wall both sides channel airfoil plate through the batten plate hole on body of wall, tamps between batten plate and body of wall with polymer mortar;
(7) gap of channel-section steel surrounding is tamped with polymer mortar layering, channel-section steel surface derusting is to metallic luster, brushwork epoxy resin anticorrosive paint, covers channel-section steel and the whole metope being stripped finish plaster layer with one deck alkali-proof glass fiber mesh, finally recovers the rendering layer of metope.
The present invention is by adding channel-section steel in body of wall both sides, and with reinforcing bar through walls and batten plate welding, channel-section steel is linked closely body of wall, compressive pre-stress is produced to body of wall, fill out between channel-section steel and body of wall and form combination stressed body with binding material, reach the object of jointly bearing upper load, be usually used in the body of wall of fastening strength deficiency, reinforcing wall crack.
Accompanying drawing explanation
Fig. 1 is existing wall body structure schematic diagram.
Fig. 2 is that schematic diagram is looked on a 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 after 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 for digging hole in wall view.
Detailed description of the invention
As shown in drawings, a kind of existing building masonry increases dark girder construction, comprise the body of wall peeling off rendering layer 1, body of wall offers cell body 2, batten plate hole 3 and ligation reinforced hole 4, channel-section steel 5 is bonded in cell body 2, channel-section steel 5 is provided with welding hole 7, the channel-section steel 5 of body of wall both sides is connected by round steel 10, round steel 10 is arranged in steel tie hole 4, round steel 10 two ends and channel-section steel 5 plug welding are fixed, the wing plate of channel-section steel 5 both sides is welded with batten plate 6, the channel-section steel 5 of body of wall both sides links up through batten plate hole 3 by batten plate 6, polymer mortar is adopted to tamp between batten plate 6 and body of wall, polymer mortar is tamped around the gap 12 of channel-section steel surrounding.Lintel 13 is comprised in Fig. 9.
Existing building masonry increases a construction method for dark girder construction, carries out in the following manner:
(1) peel off after original building masonry both sides metope intends increasing the finish plaster layer 1 within the scope of dark beam, according to dark beam size body of wall corresponding site fluting body 2, open batten plate hole 3, drill diameter D22 steel tie hole 4, being cleaned out by surface of wall with wire brush and spray water moistening, described D22 refers to that diameter is 22mm;
(2) according to the channel-section steel 5 of dark beam size cut corresponding length, the channel-section steel of 25a model selected by corresponding 240 brick walls, retains the long 50mm of channel airfoil plate, clips the part beyond 50mm;
(3) rust cleaning of channel-section steel 5 inner surface is to metallic luster, and channel-section steel web bores internal diameter D22 conical plug welding hole 7 every 300mm;
(4) evenly pave inside channel-section steel 5 the reinforcing binding materials such as the thick latex cement of 5mm or polymer mortar, is buckled in by channel-section steel 5 in cell body 2, and for the ease of installing channel-section steel, the width of cell body 2 is greater than channel-section steel width 5mm;
(5) verticality, the planeness of channel-section steel 5 is adjusted, a D20 split bolt 8 is worn every a steel tie hole 4, by cross-arm 9, the channel-section steel 5 of body of wall both sides is pressed in body of wall, knock with rubber hammer makes binding material extrude simultaneously, channel-section steel 5 and body of wall are combined closely, and penetrate the round steel 10 of D20, round steel 10 two ends and channel-section steel 5 plug welding in other steel tie holes 4, remove split bolt 8, cross-arm 9 afterwards, change round steel 10 in relevant position into;
(6) weld the batten plate 6 of a 50mm × 6mm at channel-section steel 5 wing plate every 300mm, batten plate 6 welds with body of wall both sides channel-section steel 5 wing plate through the batten plate hole 3 on body of wall, tamps between batten plate 6 and body of wall with polymer mortar;
(7) gap 12 of channel-section steel 5 surrounding is tamped with polymer mortar layering, channel-section steel 5 surface derusting is to metallic luster, brushwork epoxy resin anticorrosive paint, covers channel-section steel and the whole metope being stripped finish plaster layer with one deck alkali-proof glass fiber mesh, finally recovers the rendering layer of metope.
Claims (2)
1. an existing building masonry increases dark girder construction, comprise the body of wall peeling off rendering layer (1), it is characterized in that: body of wall offers cell body (2), batten plate hole (3) and steel tie hole (4), channel-section steel (5) is bonded in cell body (2), channel-section steel (5) is provided with welding hole (7), the channel-section steel (5) of body of wall both sides is connected by round steel (10), round steel (10) is arranged in steel tie hole (4), round steel (10) two ends and channel-section steel (5) plug welding are fixed, the wing plate of channel-section steel (5) both sides is welded with batten plate (6), batten plate (6) links up through batten plate hole (3) channel-section steel (5) by body of wall both sides, polymer mortar is adopted to tamp between batten plate (6) and body of wall, polymer mortar is tamped around in the gap (12) of channel-section steel surrounding, described dark girder construction also comprises split bolt (8) and cross-arm (9), a split bolt (8) is worn every a steel tie hole (4), by cross-arm (9), the channel-section steel (5) of body of wall both sides is pressed in body of wall, after round steel (10) and channel-section steel (5) are welded as a whole, remove split bolt (8) and cross-arm (9), change split bolt (8) relevant position into round steel (10).
2. existing building masonry structure increases a construction method for dark girder construction, it is characterized in that carrying out in the following manner:
(1) peel off after original building masonry both sides metope intends increasing the finish plaster layer (1) within the scope of dark beam, body of wall is slotted body (2), open batten plate hole (3), bore steel tie hole (4), surface of wall is cleaned out and sprays water moistening;
(2) channel-section steel (5) is intercepted;
(3) rust cleaning of channel-section steel (5) inner surface is to metallic luster, and channel-section steel web is every segment distance burr-drill shape plug welding hole (7);
(4) evenly pave inside channel-section steel (5) reinforcing binding material, is buckled in by channel-section steel (5) in cell body (2);
(5) verticality, the planeness of channel-section steel (5) is adjusted, a split bolt (8) is worn every a steel tie hole (4), by cross-arm (9), the channel-section steel (5) of body of wall both sides is pressed in body of wall, knock channel-section steel (5) makes unnecessary binding material extrude simultaneously, channel-section steel (5) and body of wall are combined closely, round steel (10) is penetrated in other steel tie holes (4), round steel (10) two ends and channel-section steel (5) plug welding, remove split bolt (8), cross-arm (9) afterwards, change round steel (10) in relevant position into;
(6) batten plate (6) is welded at channel-section steel (5) wing plate every a segment distance, batten plate (6) welds with body of wall both sides channel-section steel (5) wing plate through the batten plate hole (3) on body of wall, and the gap (12) between batten plate (6) and body of wall is tamped with polymer mortar;
(7) gap (12) of channel-section steel (5) surrounding is tamped with polymer mortar layering, channel-section steel (5) surface derusting is to metallic luster, brushwork epoxy resin anticorrosive paint, cover channel-section steel and the whole metope being stripped finish plaster layer with one deck alkali-proof glass fiber mesh, finally recover the rendering layer of metope.
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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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| 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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| CN103075022B true CN103075022B (en) | 2016-02-03 |
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| CN107165435B (en) * | 2016-02-28 | 2019-05-03 | 叶香竹 | A kind of reinforced construction method having crack interior wall |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250886A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Method for reinforcing masonry structure building base |
| 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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| US20070101666A1 (en) * | 2005-10-21 | 2007-05-10 | Munch James A | Corrugated plastic storm shutter system |
| CN201610597U (en) * | 2008-09-27 | 2010-10-20 | 张坦贤 | Novel anti-seismic reinforcement ring beam |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101250886A (en) * | 2008-04-09 | 2008-08-27 | 武汉大学 | Method for reinforcing masonry structure building base |
| 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 |
|---|
| 槽钢-砖砌体组合梁、柱承载能力试验与理论研究;刘威;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20120415;正文第9-10页 * |
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