CN103498569B - The inner storey-adding reconstruction concrete-steel structure of old factory building and construction method thereof - Google Patents
The inner storey-adding reconstruction concrete-steel structure of old factory building and construction method thereof Download PDFInfo
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- CN103498569B CN103498569B CN201310476733.8A CN201310476733A CN103498569B CN 103498569 B CN103498569 B CN 103498569B CN 201310476733 A CN201310476733 A CN 201310476733A CN 103498569 B CN103498569 B CN 103498569B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 214
- 239000010959 steel Substances 0.000 title claims abstract description 214
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 241000168254 Siro Species 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009416 shuttering Methods 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The present invention relates to the inner storey-adding reconstruction concrete-steel structure of a kind of old factory building and construction method thereof, belong to aseismatic reinforcement field.Comprise additional inner transverse girder steel, the longitudinal girder steel in additional inside, additional inner steel column, applied external steel column, applied external steel ring beam and newly increase layer concrete floor.The present invention is born by reinforcing steelframe by load entirety factory building inside being added layer, change the power transmission pattern of original structure, masonry structure poor for anti-seismic performance is changed into the main concrete-steel combination construction relying on additional steelframe load, 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.
Description
Technical field
The present invention relates to a kind of adding storey for strengthening structure and construction method thereof, particularly the inner storey-adding reconstruction concrete-steel structure of the old factory building of one and construction method thereof, belong to technical field of anti-seismic reinforcement.
Background technology
Overbuilding story, owing to not taking new soil, is reduced investment outlay, and can make full use of existing building structure, is especially used widely in old old factory rehabilitation.Concrete-steel beam can give full play to the feature of two kinds of constructional materialss, has higher intensity, rigidity and larger span, add in layer in large space old factory building inside apply 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 economy benefit.
Summary of the invention
Utilize on basis to carry out Modification and reutilization to urban waste industrial premises and adding layer in original structure inner space, its using function is continued by the mode of integral reinforcing, improve the ability of its antidetonation, the present invention proposes the inner storey-adding reconstruction concrete-steel structure of a kind of old factory building and construction method, born by reinforcing steelframe by load entirety factory building inside being added layer, change the power transmission pattern of original structure, masonry structure poor for anti-seismic performance is changed into the main concrete-steel combination construction relying on additional steelframe load, 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, this invention takes following technical scheme:
A kind of old factory building inner storey-adding reconstruction concrete-steel 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, applied external steel column, applied external steel ring 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 applied external steel column and applied external steel ring beam are along the also closed lopping of original structure outer setting, described additional inner transverse girder steel end is through original structure exterior wall, connect into closed steelframe entirety with applied external steel column and applied external steel ring beam by anchor measure, common composition Multilayer Network trellis reinforces steelframe; The suspension column of described additional inner steel column and applied external steel column is connected with original structure basis by anchor slab; The longitudinal girder steel of additional inner transverse girder steel and additional inside is equipped with built up by concrete casting newly increase layer concrete floor; Wherein, longitudinal girder steel two ends, described additional inside are arranged on inside original structure gable, 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 arranges and is anchored in original structure post both sides.
Described applied external 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 of 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 above-mentioned old factory building inner storey-adding reconstruction concrete-steel structure, adopts step to implement as follows:
Step one, 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 2, a layer position is added according to the old factory building standard width of a room in an old-style house, depth, floor height size and inside, determine the installation site of additional inner transverse girder steel, the longitudinal girder steel in additional inside and additional inner steel column, and flatten original structure surface of base in advance according to the installation site of additional inner steel column;
Step 3, punches outward within the walls at the original structure of original structure post both sides;
Step 4, additional inner transverse girder steel is installed in the position that punches in original structure post both sides;
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 locations and three is interconnected;
Step 6, according to additional inner transverse girder steel tip position, installs and adjusts applied external steel ring beam position, applied external steel ring beam is ridden on additional inner transverse girder steel, and both is connected;
Step 7, installs applied external steel column, and with applied external steel ring beam compact siro spinning technology, applied external steel column is fixed on original structure outer surface of column;
Step 8, adjusts position and the connection of whole steel frame construction, and fixing each steel beam column, the suspension column of additional inner steel column and applied external steel column is anchored on original structure basis;
Step 9, using additional inner transverse girder steel, the longitudinal girder steel upper surface in additional inside as shuttering supporting, concreting, is formed and newly increases layer concrete floor;
Step 10, after maintenance completes, carries out antirust treatment to exposed steel beam column.
Wherein, the concrete grade in described step 9 is not less than C30.
Beneficial effect:
The present invention is arranged by arranging both direction girder steel docking in length and breadth, concrete floor is laid above the inner steelframe of original structure, the bottom of described girder steel is fixedly connected with original structure basis, and along the steelframe that the steel column that original structure column outer wall is arranged is formed, jointly form the adding storey for strengthening structure to original structure.Newly increase Rotating fields and make use of old mill construction post Strength surplus, and a layer load will be newly increased by steelframe and be transmitted on basis, and make entirety more firm by outer steel circle beam setting, the better requirement meeting antidetonation and add layer.
Ruggedized construction of the present invention, structure is simple, and power transmission is clear and definite, do not destroy the globality of original structure, and construction period does not affect the using function of original structure, realizes larger economic and social benefit with less cost.
Accompanying drawing explanation
Fig. 1 is steel frame construction floor map of the present invention.
Fig. 2 is the elevation of original structure of the present invention and steel frame construction.
Fig. 3 is the side elevational view of original structure of the present invention 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: applied external steel ring beam; 7: applied external steel column; 8: newly increase layer concrete floor.
Detailed description of the invention
As Figure 1-5, a kind of old factory building inner storey-adding reconstruction concrete-steel structure, comprises old factory building original structure, additional inner transverse girder steel 4, the longitudinal girder steel in additional inside 3, additional inner steel column 5, applied external steel column 7, applied external steel ring beam 6 and newly increases layer concrete floor 8.The longitudinal girder steel 3 of described additional inner transverse girder steel 4 and additional inside is steel I-beam.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.Applied external steel column 7 and applied external steel ring beam 6 are along the also closed lopping of original structure outer setting, additional inner transverse girder steel 4 end is through original structure exterior wall 1, connect into closed steelframe entirety with applied external steel column 7 and applied external steel ring beam 6 by anchor measure, common composition Multilayer Network trellis reinforces steelframe; The suspension column of additional inner steel column 5 and applied external steel column 7 is connected with original structure basis by anchor slab; The longitudinal girder steel 3 of additional inner transverse girder steel 4 and additional inside is 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 inside original structure gable, 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 applied external steel column 7 is close to and is anchored at original structure post 2 external surface.Wherein, additional inner transverse girder steel 4 and additional inside longitudinal girder steel 3 welded top has 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 one, 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 in additional inside 3 and additional inner steel column 5;
Step 2, a layer position is added according to the old factory building standard width of a room in an old-style house, depth, floor height size and inside, determine the installation site of additional inner transverse girder steel 4, the longitudinal girder steel in additional inside 3 and additional inner steel column 5, and flatten original structure surface of base in advance according to the installation site of additional inner steel column 5;
Step 3, punches in the original structure exterior wall 1 of original structure post 2 both sides;
Step 4, additional inner transverse girder steel 4 is installed in the position that punches in original structure post 2 both sides;
Step 5, installs the longitudinal girder steel in additional inside 3 and additional inner steel column 5, adjusts additional inner transverse girder steel 4, the longitudinal girder steel in additional inside 3 and additional inner steel column 5 position and three is interconnected;
Step 6, according to additional inner transverse girder steel 4 tip position, installs and adjusts applied external steel ring beam 6 position, applied external steel ring beam 6 is ridden on additional inner transverse girder steel 4, and both is connected;
Step 7, installs applied external steel column 7, and with applied external steel ring beam 6 compact siro spinning technology, applied external steel column 7 is fixed on original structure post 2 external surface;
Step 8, adjusts position and the connection of whole steel frame construction, and fixing each steel beam column, the suspension column of additional inner steel column 5 and applied external steel column 7 is anchored on original structure basis;
Step 9, using additional inner transverse girder steel 4, additional inside longitudinal girder steel 3 upper surface as shuttering supporting, builds the concrete that label is not less than C30, is formed and newly increases layer concrete floor 8;
Step 10, after maintenance completes, carries out antirust treatment to exposed steel beam column.
Be more than an exemplary embodiments of the present invention, enforcement of the present invention is not limited thereto.
Claims (7)
1. an old factory building inner storey-adding reconstruction concrete-steel 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), applied external steel column (7), applied external steel ring 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 applied external steel column (7) and applied external steel ring beam (6) are along the also closed lopping of original structure outer setting, described additional inner transverse girder steel (4) end is through original structure exterior wall (1), connect into closed steelframe entirety with applied external steel column (7) and applied external steel ring beam (6) by anchor measure, common composition Multilayer Network trellis reinforces steelframe;
The suspension column of described additional inner steel column (5) and applied external steel column (7) is connected with original structure basis by anchor slab;
Additional inner transverse girder steel (4) and additional inside longitudinal girder steel (3) are 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 inside original structure gable, 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;
The additional inner transverse girder steel (4) of described 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;
Described additional inner transverse girder steel (4) arranges and is anchored in original structure post (2) both sides;
Described applied external steel column (7) is close to and is anchored at original structure post (2) external surface.
2. old factory building according to claim 1 inner storey-adding reconstruction concrete-steel structure, is characterized in that: described additional inner transverse girder steel (4) and additional inside longitudinal girder steel (3) are steel I-beam.
3. old factory building according to claim 1 inner storey-adding reconstruction concrete-steel structure, it is characterized in that: described additional inner transverse girder steel (4) and additional inside longitudinal girder steel (3) welded top has holdfast, and described holdfast is wrapped in and newly increases in layer concrete floor (8).
4. old factory building according to claim 3 inner storey-adding reconstruction concrete-steel structure, is characterized in that: the holdfast on described additional inner transverse girder steel (4) is three rows.
5. old factory building according to claim 3 inner storey-adding reconstruction concrete-steel structure, is characterized in that: the holdfast on the longitudinal girder steel in described additional inside (3) is two rows.
6. the construction method of old factory building inner storey-adding reconstruction concrete-steel structure according to any one of claim 1-5, is characterized in that: adopt step to implement as follows:
Step one, 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 in additional inside (3) and additional inner steel column (5);
Step 2, a layer position is added according to the old factory building standard width of a room in an old-style house, depth, floor height size and inside, determine the installation site of additional inner transverse girder steel (4), the longitudinal girder steel in additional inside (3) and additional inner steel column (5), and flatten original structure surface of base in advance according to the installation site of additional inner steel column (5);
Step 3, punches in the original structure exterior wall (1) of original structure post (2) both sides;
Step 4, additional inner transverse girder steel (4) is installed in the position that punches in original structure post (2) both sides;
Step 5, the longitudinal girder steel in additional inside (3) and additional inner steel column (5) are installed, adjust additional inner transverse girder steel (4), the longitudinal girder steel in additional inside (3) and additional inner steel column (5) position and three is interconnected;
Step 6, according to additional inner transverse girder steel (4) tip position, install and adjust applied external steel ring beam (6) position, applied external steel ring beam (6) is ridden on additional inner transverse girder steel (4), and both are connected;
Step 7, install applied external steel column (7), and with applied external steel ring beam (6) compact siro spinning technology, applied external steel column (7) is fixed on original structure post (2) external surface;
Step 8, adjusts position and the connection of whole steel frame construction, and fixing each steel beam column, the suspension column of additional inner steel column (5) and applied external steel column (7) is anchored on original structure basis;
Step 9, using additional inner transverse girder steel (4), additional inside longitudinal girder steel (3) upper surface as shuttering supporting, concreting, is formed and newly increases layer concrete floor (8);
Step 10, after maintenance completes, carries out antirust treatment to exposed steel beam column.
7. method according to claim 6, is characterized in that: the concrete grade in described step 9 is not less than C30.
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| CN106285028A (en) * | 2015-05-28 | 2017-01-04 | 中国二十冶集团有限公司 | Reinforcement of factory building construction method in long-span heavy type crane girder based on BIM technology dismounting |
| CN105604340B (en) * | 2015-12-28 | 2017-08-11 | 长春工程学院 | It is a kind of to improve the old room room plus floor remodeling method of shock resistance and safe life |
| CN106150121B (en) * | 2016-08-26 | 2018-08-14 | 姚攀峰 | A kind of storage Reformation for Explosion Proof structural system and its construction method |
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| 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 |
| CN111502323A (en) * | 2020-04-23 | 2020-08-07 | 璐句附 | Building structure suitable for multi-storey building set-up high-rise building |
| CN113323435A (en) * | 2021-05-25 | 2021-08-31 | 中北华宇建筑工程公司 | Construction method for modifying old factory building into warehouse by adding layers |
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| CN1014919B (en) * | 1988-12-13 | 1991-11-27 | 陆建衡 | Storey-adding constructure for low-storey building |
| CN2625496Y (en) * | 2003-07-23 | 2004-07-14 | 程宗颢 | Structure of adding floor and elevator in multistoried building |
| CN201050198Y (en) * | 2007-04-19 | 2008-04-23 | 程磊 | Structure for integral transformation for old industrial factory building |
| CN203603522U (en) * | 2013-10-12 | 2014-05-21 | 北京筑福国际工程技术有限责任公司 | Steel frame concrete structure used for transforming inner portion of old factory building in floor adding mode |
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