CN203603522U - Steel frame concrete structure used for transforming inner portion of old factory building in floor adding mode - Google Patents
Steel frame concrete structure used for transforming inner portion of old factory building in floor adding mode Download PDFInfo
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- CN203603522U CN203603522U CN201320630809.3U CN201320630809U CN203603522U CN 203603522 U CN203603522 U CN 203603522U CN 201320630809 U CN201320630809 U CN 201320630809U CN 203603522 U CN203603522 U CN 203603522U
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Abstract
The utility model provides a steel frame concrete structure used for transforming the inner portion of an old factory building in a floor adding mode, and belongs to the field of seismic reinforcement. The steel frame concrete structure comprises an existing structure of the old factory building, and is characterized by comprising additional internal transverse steel beams, additional internal longitudinal steel beams, additional internal steel columns, additional external steel columns, additional external steel ring beams and additional concrete floors, the additional internal transverse steel beams, the additional internal longitudinal steel beams and the additional internal steel columns are welded and connected to form a multi-layer mesh-shaped steel frame, the additional external steel columns and the additional external steel ring beams are externally arranged along the existing structure and closed to form circles, the ends of the additional internal transverse steel beams penetrate through outer walls of the existing structure, the additional internal transverse steel beams are connected with the additional external steel columns and the additional external steel ring beams to form a closed steel frame whole through anchoring measures, the circles and the closed steel frame whole form a multi-layer mesh-shaped reinforced steel frame together, column foundations of the additional internal steel columns and column foundations of the additional external steel columns are connected with a foundation of the existing structure through anchoring plates, and the additional concrete floors formed through concrete pouring are laid on the additional internal transverse steel beams and the additional internal longitudinal steel beams. According to the steel frame concrete structure, the internal space of the old factory building is fully used, and the space utilization ratio is increased.
Description
Technical field
The utility model relates to a kind of adding storey for strengthening structure, and particularly the inner storey-adding reconstruction concrete-steel of a kind of old factory building structure, belongs to seismic hardening technical field.
Background technology
Overbuilding story, owing to not taking new soil, is reduced investment outlay, and can make full use of existing building structure, especially in old old factory rehabilitation, is used widely.Concrete-steel beam can be given full play to the feature of two kinds of constructional materialss, has higher intensity, rigidity and larger span, and in the old factory building of large space inside adds layer, application is very suitable.Meanwhile, adopt concrete-steel structure can reduce superstructure thickness, reduce dead load, also can reduce cost and reduce investment outlay, there is significant technology and economic benefit.
Utility model content
Utilize on basis in order urban waste industrial premises to be carried out to Modification and reutilization and to add layer in original structure inner space, continue it by the mode of integral reinforcing and use function, improve the ability of its antidetonation, the utility model proposes the inner storey-adding reconstruction concrete-steel of a kind of old factory building structure, bear by reinforcing steelframe by the load entirety that factory building inside is added to layer, change the power transmission pattern of original structure, masonry structure poor anti-seismic performance is changed into the concrete-steel combination construction of the additional steelframe load of main dependence, fundamentally solve at old old factory rehabilitation Central Plains seismic performance of building poor, earthquake causes personnel and the serious problem of property loss, and take full advantage of the inner space of old factory building, increase space availability ratio.
To achieve these goals, the utility model has been taked following technical scheme:
The inner storey-adding reconstruction concrete-steel of a kind of old factory building structure, comprise old factory building original structure, it is characterized in that: comprise additional inner transverse girder steel, the longitudinal girder steel in additional inside, additional inner steel column, additional outside steel column, additional outer steel collar tie beam and newly increase layer concrete floor; Described additional inner transverse girder steel, the longitudinal girder steel in additional inside and additional inner steel column are welded to connect into Multilayer Network trellis steelframe; Described additional outside steel column and additional outer steel collar tie beam are along original structure outer setting closed lopping, described additional inner transverse girder steel end is through original structure exterior wall, connect into closed steelframe entirety with additional outside steel column and additional outer steel collar tie beam by anchor measure, jointly form Multilayer Network trellis and reinforce steelframe; The suspension column of described additional inner steel column and additional outside steel column is connected with original structure basis by anchor slab; On the longitudinal girder steel of additional inner transverse girder steel and additional inside, be equipped with built up by concrete casting newly increase layer concrete floor; Wherein, longitudinal girder steel two ends, described additional inside are arranged on original structure gable inner side, and described additional inner transverse girder steel rides on the longitudinal girder steel in additional inside, and both are fixedly connected with, and jointly enclose the profile identical with original structure flat shape; The additional inner transverse girder steel of described additional internal steel capital end support top, its bottom is anchored at original structure basis or is fixed on the additional inner transverse girder steel of its lower floor.
Further, described additional inner transverse girder steel setting be anchored in original structure post both sides.
Described additional outside steel column is close to and is anchored at original structure outer surface of column.
The longitudinal girder steel of described additional inner transverse girder steel and additional inside is steel I-beam.
The longitudinal girder steel welded top in described additional inner transverse girder steel and additional inside has holdfast, and described holdfast is wrapped in and newly increases in layer concrete floor.
Holdfast on described additional inner transverse girder steel is three rows.
Holdfast on the longitudinal girder steel in described additional inside is two rows.
The construction method of the inner storey-adding reconstruction concrete-steel of above-mentioned old factory building structure, adopts step to implement as follows:
Step 1, adds a layer position according to the old factory building standard width of a room in an old-style house, depth, floor height size and inside, determines the length of additional inner transverse girder steel, the longitudinal girder steel in additional inside and additional inner steel column;
Step 5, installs the longitudinal girder steel in additional inside and additional inner steel column, adjusts additional inner transverse girder steel, the longitudinal girder steel in additional inside and additional inner steel column position three is interconnected;
Step 9, using additional inner transverse girder steel, the longitudinal girder steel upper surface in additional inside as shuttering supporting, concreting, forms and newly increases layer concrete floor;
Step 10, after maintenance completes, carries out antirust processing to exposed steel member.
Wherein, the concrete grade in described step 9 is not less than C30.
Beneficial effect:
The utility model arranges by both direction girder steel docking is in length and breadth set, above the inner steelframe of original structure, lay concrete floor, the bottom of described girder steel be fixedly connected with original structure basis, and the steelframe of the steel column formation arranging along original structure column outer wall, jointly form the adding storey for strengthening structure to original structure.Newly-increased adding storey structure has utilized old mill construction post Strength surplus, and will newly increase a layer load by steelframe and be transmitted on basis, and makes entirety more firm by outer steel circle beam setting, the better requirement that has met antidetonation and added layer.
Ruggedized construction described in the utility model, simple in structure, power transmission is clear and definite, does not destroy the globality of original structure, and construction period do not affect the use function of original structure, realize larger economic and social benefit with less cost.
Accompanying drawing explanation
Fig. 1 is the utility model steel frame construction floor map.
Fig. 2 is the elevation of the utility model original structure and steel frame construction.
Fig. 3 is the side elevational view of the utility model original structure and steel frame construction.
Fig. 4 is additional inner transverse girder steel schematic diagram.
Fig. 5 is the longitudinal girder steel schematic diagram in additional inside.
Reference numeral: 1: original structure exterior wall; 2: original structure post; 3: the longitudinal girder steel in additional inside; 4: additional inner transverse girder steel; 5: additional inner steel column; 6: additional outer steel collar tie beam; 7: additional outside steel column; 8: newly increase layer concrete floor.
The specific embodiment
As Figure 1-5, the inner storey-adding reconstruction concrete-steel of a kind of old factory building structure, comprises old factory building original structure, additional inner transverse girder steel 4, the longitudinal girder steel 3 in additional inside, additional inner steel column 5, additional outside steel column 7, additional outer steel collar tie beam 6 and newly increases layer concrete floor 8.The longitudinal girder steel 3 in described additional inner transverse girder steel 4 and additional inside is steel I-beam.Additional inner transverse girder steel 4, the longitudinal girder steel 3 in additional inside and additional inner steel column 5 are welded to connect into Multilayer Network trellis steelframe.Additional outside steel column 7 and additional outer steel collar tie beam 6 are along original structure outer setting closed lopping, additional inner transverse girder steel 4 ends are through original structure exterior wall 1, connect into closed steelframe entirety with additional outside steel column 7 and additional outer steel collar tie beam 6 by anchor measure, jointly form Multilayer Network trellis and reinforce steelframe; The suspension column of additional inner steel column 5 and additional outside steel column 7 is connected with original structure basis by anchor slab; On the longitudinal girder steel 3 of additional inner transverse girder steel 4 and additional inside, be equipped with built up by concrete casting newly increase layer concrete floor 8; Wherein, longitudinal girder steel 3 two ends, described additional inside are arranged on original structure gable inner side, and additional inner transverse girder steel 4 rides on the longitudinal girder steel 3 in additional inside, and both are fixedly connected with, and jointly enclose the profile identical with original structure flat shape.The additional inner transverse girder steel 4 of additional inner steel column 5 top support top, its bottom is anchored at original structure basis or is fixed on the additional inner transverse girder steel 4 of its lower floor, if additional inner steel column 5 is two layers time, its upper and lower two ends are all fixed on additional inner transverse girder steel 4.In addition, additional inner transverse girder steel 4 arranges and is anchored in original structure post 2 both sides, and additional outside steel column 7 is close to and is anchored at original structure post 2 external surfaces.Wherein, longitudinal girder steel 3 welded top in additional inner transverse girder steel 4 and additional inside have two rows or three rows holdfast, and as described in Fig. 4-5, holdfast is wrapped in and newly increases in layer concrete floor 8.Its concrete construction method is:
Step 1, adds a layer position according to the old factory building standard width of a room in an old-style house, depth, floor height size and inside, determines the length of additional inner transverse girder steel 4, the longitudinal girder steel 3 in additional inside and additional inner steel column 5;
Step 5, installs the longitudinal girder steel 3 in additional inside and additional inner steel column 5, adjusts additional inner transverse girder steel 4, the longitudinal girder steel 3 in additional inside and additional inner steel column 5 positions three is interconnected;
Step 9, using additional inner transverse girder steel 4, longitudinal girder steel 3 upper surfaces in additional inside as shuttering supporting, builds the concrete that label is not less than C30, forms and newly increases layer concrete floor 8;
Step 10, after maintenance completes, carries out antirust processing to exposed steel member.
Be more than an exemplary embodiments of the present utility model, enforcement of the present utility model is not limited to this.
Claims (7)
1. the inner storey-adding reconstruction concrete-steel of an old factory building structure, comprise old factory building original structure, it is characterized in that: comprise additional inner transverse girder steel (4), the longitudinal girder steel in additional inside (3), additional inner steel column (5), additional outside steel column (7), additional outer steel collar tie beam (6) and newly increase layer concrete floor (8);
Described additional inner transverse girder steel (4), the longitudinal girder steel in additional inside (3) and additional inner steel column (5) are welded to connect into Multilayer Network trellis steelframe;
Described additional outside steel column (7) and additional outer steel collar tie beam (6) are along original structure outer setting closed lopping, described additional inner transverse girder steel (4) end is through original structure exterior wall (1), connect into closed steelframe entirety with additional outside steel column (7) and additional outer steel collar tie beam (6) by anchor measure, jointly form Multilayer Network trellis and reinforce steelframe;
The suspension column of described additional inner steel column (5) and additional outside steel column (7) is connected with original structure basis by anchor slab;
On the longitudinal girder steel of additional inner transverse girder steel (4) and additional inside (3), be equipped with built up by concrete casting newly increase layer concrete floor (8);
Wherein, the longitudinal girder steel in described additional inside (3) two ends are arranged on original structure gable inner side, described additional inner transverse girder steel (4) rides on the longitudinal girder steel in additional inside (3), both are fixedly connected with, and jointly enclose the profile identical with original structure flat shape;
Described additional inner steel column (5) the top additional inner transverse girder steel of support top (4), its bottom is anchored at original structure basis or is fixed on the additional inner transverse girder steel (4) of its lower floor.
2. the inner storey-adding reconstruction concrete-steel of old factory building according to claim 1 structure, is characterized in that: described additional inner transverse girder steel (4) arranges and be anchored in original structure post (2) both sides.
3. the inner storey-adding reconstruction concrete-steel of old factory building according to claim 1 structure, is characterized in that: described additional outside steel column (7) is close to and is anchored at original structure post (2) external surface.
4. the inner storey-adding reconstruction concrete-steel of old factory building according to claim 1 structure, is characterized in that: the longitudinal girder steel of described additional inner transverse girder steel (4) and additional inside (3) is steel I-beam.
5. the inner storey-adding reconstruction concrete-steel of old factory building according to claim 1 structure, it is characterized in that: the longitudinal girder steel of described additional inner transverse girder steel (4) and additional inside (3) welded top has holdfast, and described holdfast is wrapped in and newly increases in layer concrete floor (8).
6. the inner storey-adding reconstruction concrete-steel of old factory building according to claim 5 structure, is characterized in that: the holdfast on described additional inner transverse girder steel (4) is three rows.
7. the inner storey-adding reconstruction concrete-steel of old factory building according to claim 5 structure, is characterized in that: the holdfast on the longitudinal girder steel in described additional inside (3) is two rows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630809.3U CN203603522U (en) | 2013-10-12 | 2013-10-12 | Steel frame concrete structure used for transforming inner portion of old factory building in floor adding mode |
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| CN201320630809.3U CN203603522U (en) | 2013-10-12 | 2013-10-12 | Steel frame concrete structure used for transforming inner portion of old factory building in floor adding mode |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498569A (en) * | 2013-10-12 | 2014-01-08 | 北京筑福国际工程技术有限责任公司 | Steel frame concrete structure for floor-adding transformation inside old factory building and construction method thereof |
| CN105971304A (en) * | 2016-07-12 | 2016-09-28 | 温丽明 | Outer-jacketing frame for reinforcement and transformation of building structure |
| CN106592995A (en) * | 2016-11-01 | 2017-04-26 | 中国建筑第八工程局有限公司 | Installation method for tension cantilever steel-structure stress system |
| CN109930855A (en) * | 2019-03-12 | 2019-06-25 | 北京筑福建筑科学研究院有限责任公司 | A kind of industrial premises transformation use internal concrete-steel adding storey structure and its construction method |
-
2013
- 2013-10-12 CN CN201320630809.3U patent/CN203603522U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498569A (en) * | 2013-10-12 | 2014-01-08 | 北京筑福国际工程技术有限责任公司 | Steel frame concrete structure for floor-adding transformation inside old factory building and construction method thereof |
| CN105971304A (en) * | 2016-07-12 | 2016-09-28 | 温丽明 | Outer-jacketing frame for reinforcement and transformation of building structure |
| CN106592995A (en) * | 2016-11-01 | 2017-04-26 | 中国建筑第八工程局有限公司 | Installation method for tension cantilever steel-structure stress system |
| CN106592995B (en) * | 2016-11-01 | 2018-10-26 | 中国建筑第八工程局有限公司 | Open the installation method of overarm steel construction stress system |
| CN109930855A (en) * | 2019-03-12 | 2019-06-25 | 北京筑福建筑科学研究院有限责任公司 | A kind of industrial premises transformation use internal concrete-steel adding storey structure and its construction method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140521 Termination date: 20171012 |