CN103452304A - Inserted type outer frame L-type steel wall connecting piece structure free of scaffold hole and construction method thereof - Google Patents
Inserted type outer frame L-type steel wall connecting piece structure free of scaffold hole and construction method thereof Download PDFInfo
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- CN103452304A CN103452304A CN2013104090676A CN201310409067A CN103452304A CN 103452304 A CN103452304 A CN 103452304A CN 2013104090676 A CN2013104090676 A CN 2013104090676A CN 201310409067 A CN201310409067 A CN 201310409067A CN 103452304 A CN103452304 A CN 103452304A
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Abstract
The invention discloses an inserted type outer frame L-type steel wall connecting piece structure free of a scaffold hole and a construction method thereof and relates to a construction device and a construction method thereof. The wall connecting piece structure comprises an outer frame and a wall connecting piece, wherein the outer frame is mainly composed of an upright column, a large cross rod and a small cross rod; the wall connecting piece comprises a wall connecting rod and L-type steel, one end of the wall connecting rod is connected with the upright column of the outer frame, the other end of the wall connecting rod is welded with the short side of the L-type steel, and the long side of the L-type steel is embedded in a main body reinforced concrete structure. The construction method comprises the steps that A, the wall connecting piece is manufactured in an off-site manner; B, the outer frame is mounted; C, the wall connecting piece is mounted; D, the main body structure concrete is poured; E, the wall connecting piece is connected with the outer frame; F, the wall connecting piece is dismantled; G, outer wall repairing is carried out; H, the outer frame is dismantled. According to the inserted type outer frame L-type steel wall connecting piece structure free of the scaffold hole and the construction method thereof, the position of the wall connecting piece is not needed to be changed for the second time, and the construction progress is accelerated; no wall holes and scaffold holes are penetrated, the risk of outer wall leakage is reduced, the safety performance is high, material is saved, and the wall connecting piece structure is applicable to connecting an edge beam, a shear wall, a column position with the outer frame.
Description
Technical field
The present invention relates to a kind of building operations device and job practices thereof, particularly a kind of pin trick plug-in type outrigger L-type steel wall-connecting piece structure and job practices thereof exempted from.
Background technology
In construction work at present, steel pipe scaffold wall-connecting piece used is mostly at the pre-buried short steel pipes of agent structure, uses the rigidity fastener, by little cross bar, with support body, is connected, to reach the effect of firm support body and opposing wind load.But this steel pipe scaffold wall-connecting piece brings inconvenience to construction:
1. all be installed with hole through walls, pin trick on exterior wall, bring the hidden danger of exterior wall leakage;
2. must secondary change the wall-connecting piece position just can complete such as: railing is installed, exterior window is installed and the construction such as decoration of exterior wall, not only easily cause unnecessary security risk, and has affected that railing installation, exterior window are installed and progress and the quality of decoration of exterior wall;
3. because scaffold (being outrigger) is to be connected with the short steel pipes in being embedded in agent structure by the rigidity fastener, this harm brought without reliable rigidity drawknot has influence on the normal construction of engineering day by day.
The Chinese patent that publication No. is CN101892738A discloses " a kind of embedded scaffold connecting tube and job practices thereof ", this patent adopts sleeve and embedded bar screwed connection, do not need to carry out the setting of scaffold eye, the maintenance difficult problem of exterior wall scaffold eye seepage after can avoiding completion to pay, but this patent still must just can complete the constructions such as railing installation, exterior window installation and decoration of exterior wall in secondary replacing wall-connecting piece position, and while removing outrigger and wall-connecting piece, operate also cumbersome, its construction speed is still slower, and security performance is still not high enough.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of pin trick plug-in type outrigger L-type steel wall-connecting piece structure and job practices thereof exempted from, with accelerating construction progress, raising security performance.
The technical scheme solved the problems of the technologies described above is: a kind of pin trick plug-in type outrigger L-type steel wall-connecting piece structure of exempting from, comprise outrigger and wall-connecting piece, described outrigger mainly consists of vertical rod, leger, little cross bar, described wall-connecting piece comprises wall connecting rod, L-type steel, described L-type steel consists of a minor face and a long limit, described wall connecting rod one end is connected by steel tube fastener with the vertical rod of outrigger, the minor face welding of the other end of wall connecting rod and L-type steel, and the long limit of L-type steel is imbedded in the main body reinforced concrete structure.
Further technical scheme of the present invention is: but described little cross bar one end end also is connected with adjusting screw(rod), but the end of this adjusting screw(rod) holds out against on main body reinforced concrete structure end face.
Further technical scheme of the present invention is: on the long limit of described L-type steel with the hangnail of irregular inclination.
Further technical scheme of the present invention is: the lower end, long limit of described L-type steel is with crotch.
Of the present invention more further technical scheme be: described L-type steel is made by indented bars, the bar diameter d >=14mm of this indented bars, the bar diameter d of radius of curvature R >=4 times; Bond length >=the 200mm of described L-type steel, the long edge lengths >=300mm of L-type steel; Described L-type steel is made by band steel or angle steel or square steel section bar, this L-type steel bond length >=200mm, long edge lengths >=300mm.
Another technical scheme of the present invention is: a kind of job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the method comprises the steps:
A. make wall-connecting piece outside the venue: difference Prefabricated L-shaped steel, wall connecting rod;
B., outrigger is installed: vertical rod is fixed, and be arranged on respectively in vertical rod by little cross bar, leger;
C., wall-connecting piece is installed: the long limit of prefabricated L-type steel is embedded in the agent structure reinforcing bar, and the long limit of L-type steel and agent structure reinforcing bar binding is firm;
D. build the agent structure concrete: while building the agent structure concrete, the long limit thickness of concrete cover >=100mm of L-type steel;
E. wall-connecting piece is connected with outrigger: treat that the agent structure concrete reaches the codes and standards design load, is connected wall-connecting piece with outrigger;
F. remove wall-connecting piece: remove wall-connecting piece until decorating outside body of wall after engineering construction finishes, directly the L-type steel is cut away with oxygen welding while removing wall-connecting piece;
G. exterior wall is repaired: the L-type steel end surface of staying after cutting on main body reinforced concrete structure end face is coated rustproof paint, plasters simultaneously and repairs near architectural surface;
H. remove outrigger.
Further technical scheme of the present invention is: in described steps A, the Prefabricated L-shaped ladle is drawn together following operation:
1. make L-type steel semiproduct:
The indented bars bending of employing bar diameter d >=14mm is made into the L-type steel semiproduct of minor face length >=200mm, the long length of side >=300mm, the bar diameter d that the radius of curvature R of indented bars is greater than 4 times at an angle of 90;
Or adopt band steel or square steel bending to be made at an angle of 90 the L-type steel semiproduct of minor face length >=200mm, the long length of side >=300mm;
Or directly adopt angle steel to be cut into the L-type steel semiproduct of minor face length >=200mm, the long length of side >=300mm;
2. grow limit hangnail or crotch:
The half-finished long edge point weldering round steel of L-type steel is become to hangnail, or, by lower end, the long limit crotch of L-type steel, make the L-type steel.
Further technical scheme more of the present invention is: wall-connecting piece is connected with outrigger and comprises following operation described in described step e:
1. by the minor face firm welding of an end and the L-type steel of wall connecting rod;
2. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener.
Further technical scheme of the present invention is: 2. of described step e also includes following operation after procedure: but 3. an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force.
Of the present invention in addition more further technical scheme be: also include operation in described steps A: by the minor face firm welding of an end and the L-type steel of wall connecting rod; In wall-connecting piece is connected with outrigger and comprises following operation described in step e:
1. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener;
2. but an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force.
Owing to adopting said structure, the present invention exempts from pin trick plug-in type outrigger L-type steel wall-connecting piece structure and job practices thereof compared with prior art, has following beneficial effect:
1. but accelerating construction progress:
Because wall-connecting piece of the present invention comprises wall connecting rod, L-type steel, wherein wall connecting rod one end is connected by steel tube fastener with the vertical rod of outrigger, the minor face welding of the other end and L-type steel, and the long limit of L-type steel is imbedded in the main body reinforced concrete structure.Therefore, wall-connecting piece of the present invention does not have outstanding parts on the main body reinforced concrete structure, can carry out the operation constructions such as railing installation, exterior window installation and decoration of exterior wall after main body construction, broken existing sequence of construction, change the wall-connecting piece position without secondary, also do not need a large amount of holes of External Wall to carry out large surface mending work, convenient and quick construction, reduce the interference of intersection operation, thereby accelerated construction speed.
2. raising security performance:
1. the present invention is without hole through walls, pin trick, on exterior wall, without doing hole through walls patch work, steel bar end that only need to be after cutting or shaped steel end are coated rustproof paint and are plastered and complete patch work, owing to there is no hole, can guarantee the use function of building, effectively reduce the exterior wall leakage risk.
2. the present invention, by welding Large-size rebar or shaped steel wall-connecting piece, has guaranteed the rigidity of outrigger wall-connecting piece effectively, effectively guarantees the safety of outer frame system.
3. reform the operation that the tension member position needs quadratic transformation, increase the security performance of outrigger; Can effective guarantee the reliable drawknot of outrigger with agent structure, the minimizing potential safety hazard.
Therefore, the present invention can improve security performance.
3. it is convenient to remove:
Decorate outside body of wall due to the present invention after engineering construction finishes while removing wall-connecting piece, can directly the L-type steel be cut away with oxygen welding, remove very convenient, thereby also can further accelerate construction speed.
4. can improve the decorative engineering quality:
Because wall-connecting piece of the present invention adopts the L-type steel as built-in fitting, can remove pin trick reserved on exterior wall from, thereby guarantee the waterproof effect of external wall construction and the integral rigidity of exterior wall, thereby can improve the decorative engineering quality.
5. saving material:
L-type steel of the present invention can be used major diameter indented bars head or shaped steel, can effectively accomplish material-saving, waste material utilization, can be good at realizing green construction.
6. applied widely:
The present invention is connected with outrigger applicable to side bar, shear wall, post position, and its scope of application is wider.
Below, in conjunction with the accompanying drawings and embodiments the present invention's the technical characterictic of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure and job practices thereof is further described.
The accompanying drawing explanation
The described scheme of installation of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure of Fig. 1: embodiment mono-,
The layout schematic diagram that Fig. 2: embodiment mono-is described when exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure and installing,
The structural representation of the described L-type steel of Fig. 3: embodiment mono-,
The L-type steel that the described employing screw-thread steel of Fig. 4: embodiment mono-steel bar end is made and the connection diagram of wall connecting rod,
Fig. 5: embodiment mono-is described to exempt from the step C of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the scheme of installation of wall-connecting piece,
Fig. 6: embodiment mono-is described to exempt from the step D of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the fixedly figure of wall-connecting piece after the agent structure pouring concrete,
Fig. 7: embodiment mono-is described to exempt from, in the step e of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, to adopt the schematic diagram of two-sided full weld or the welding of single face full weld between L-type steel and wall connecting rod,
Fig. 8: embodiment mono-is described to exempt from the step F of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, removes the schematic diagram after wall-connecting piece;
The described scheme of installation of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure of Fig. 9: embodiment bis-,
The structural representation of the described L-type steel of Figure 10: embodiment bis-,
The L-type steel that the described employing screw-thread steel of Figure 11: embodiment bis-steel bar end is made and the connection diagram of wall connecting rod,
Figure 12: embodiment bis-is described to exempt from the step C of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the scheme of installation of wall-connecting piece,
Figure 13: embodiment bis-is described to exempt from the step D of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the fixedly figure of wall-connecting piece after the agent structure pouring concrete,
Figure 14: embodiment bis-is described to exempt from, in the step e of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, to adopt the schematic diagram of two-sided full weld or the welding of single face full weld between L-type steel and wall connecting rod,
Figure 15: embodiment bis-is described to exempt from the step F of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, removes the schematic diagram after wall-connecting piece;
The described scheme of installation of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure of Figure 16: embodiment tri-,
The structural representation of the described L-type steel of Figure 17: embodiment tri-,
The L-type steel that the described employing screw-thread steel of Figure 18: embodiment tri-steel bar end is made and the connection diagram of wall connecting rod,
Figure 19: embodiment tri-is described to exempt from the step C of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the scheme of installation of wall-connecting piece,
Figure 20: embodiment tri-is described to exempt from the step D of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, the fixedly figure of wall-connecting piece after the agent structure pouring concrete,
Figure 21: embodiment tri-is described to exempt from, in the step e of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, to adopt the schematic diagram of two-sided full weld or the welding of single face full weld between L-type steel and wall connecting rod,
Figure 22: embodiment tri-is described to exempt from the step F of job practices of pin trick plug-in type outrigger L-type steel wall-connecting piece structure, removes the schematic diagram after wall-connecting piece.
In above-mentioned accompanying drawing, each label is as follows:
The 1-vertical rod, the 2-leger, the little cross bar of 3-, the 4-wall connecting rod, the 5-steel tube fastener,
But the 6-adjusting screw(rod), 7-L-type steel, the 701-minor face, the long limit of 702-,
Weld seam between 8-L shaped steel and wall connecting rod, 9-main body reinforced concrete structure, 10-template, 11-agent structure reinforcing bar.
The specific embodiment
Embodiment mono-:
A kind of being arranged on exempted from pin trick plug-in type outrigger L-type steel wall-connecting piece structure on the building balcony side bar, comprise outrigger and wall-connecting piece, described outrigger mainly consists of vertical rod 1, leger 2, little cross bar 3, described wall-connecting piece comprises wall connecting rod 4, L-type steel 7, described L-type steel 7 consists of a minor face 701 and a long limit 702,702 lower ends, long limit of this L-type steel 7 with crotch 7022(referring to Fig. 3), this crotch 7022 can contribute to permanent position and strengthen wall-connecting piece and main body riveted degree, and it is simple to make dress; Described L-type steel 7 is made by the indented bars head, the bar diameter d=25mm of this indented bars head, the bar diameter of radius of curvature R >=4 times; Minor face 701 length of described L-type steel=500mm, long limit 702 length of L-type steel=800mm; Described wall connecting rod 4 one ends are connected by steel tube fastener 5 with the vertical rod 1 of outrigger, minor face 701 welding (referring to Fig. 4) of the other end of wall connecting rod 4 and L-type steel 7, the long limit 702 of L-type steel 7 is imbedded in main body reinforced concrete structure 9, and this main body reinforced concrete structure 9 is the building balcony side bar; But described little cross bar 3 one end ends also are connected with adjusting screw(rod) 6, but the end of this adjusting screw(rod) 6 holds out against on main body reinforced concrete structure 9 end faces (referring to Fig. 1-Fig. 2).
The above-mentioned job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure be arranged on the building balcony side bar comprises the steps:
A. make wall-connecting piece outside the venue: difference Prefabricated L-shaped steel, wall connecting rod, wherein the Prefabricated L-shaped ladle is drawn together following operation:
1. make L-type steel semiproduct:
The indented bars bending of employing bar diameter d=25mm is made into the L-type steel semiproduct of minor face length=500mm, the long length of side=800mm, the bar diameter d that the radius of curvature R of indented bars is greater than 4 times at an angle of 90;
2. long spring hook:
By lower end, the half-finished long limit of L-type steel crotch, make the L-type steel;
B., outrigger is installed: vertical rod is fixed, and be arranged on respectively in vertical rod by little cross bar, leger;
C., wall-connecting piece is installed: the long limit of prefabricated L-type steel is embedded in the agent structure reinforcing bar, and by the long limit of L-type steel and agent structure reinforcing bar binding firm (referring to Fig. 5);
D. build the agent structure concrete: while building the agent structure concrete, the long limit thickness of concrete cover >=100mm(of L-type steel is referring to Fig. 6);
E. wall-connecting piece is connected with outrigger: treat that the agent structure concrete reaches the codes and standards design load, wall-connecting piece is connected with outrigger, comprise following operation:
1. by the minor face firm welding (referring to Fig. 7) of an end of wall connecting rod and L-type steel, adopt E43 type and the above welding rod of E43 type, arc welding, two-sided full weld length >=100mm, or one side welding length >=200mm, welding machine capacity >=160KVA during welding;
2. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener;
3. but an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force;
F. remove wall-connecting piece: remove wall-connecting piece until decorating outside body of wall after engineering construction finishes, while removing wall-connecting piece, directly the L-type steel is cut away to (referring to Fig. 8) with oxygen welding;
G. exterior wall is repaired: the L-type steel end surface of staying after cutting on main body reinforced concrete structure end face is coated rustproof paint, plasters simultaneously and repairs near architectural surface;
H. remove outrigger.
As a kind of conversion of embodiment mono-, the bar diameter of described indented bars can also increase or reduce, general bar diameter d >=14mm.
Embodiment bis-:
A kind of being arranged on exempted from pin trick plug-in type outrigger L-type steel wall-connecting piece structure on building main body side bar, comprise outrigger and wall-connecting piece, described outrigger is mainly by vertical rod 1, leger 2, little cross bar 3 forms, described wall-connecting piece comprises wall connecting rod 4, L-type steel 7, described L-type steel 7 consists of a minor face 701 and a long limit 702, on the long limit 702 of this L-type steel 7 with the hangnail 7021(of irregular inclination referring to Figure 10), irregular being obliquely installed of this hangnail 7021 can help permanent position and strengthen wall-connecting piece and main body riveted degree, prevent from when concrete from building burying the wall end movement, distortion, described L-type steel 7 is made by the square steel section bar, this L-type steel minor face 701 length=900mm, long limit 702 length=1200mm.Described wall connecting rod 4 one ends are connected by steel tube fastener 5 with the vertical rod 1 of outrigger, minor face 701 welding (referring to Figure 11) of the other end of wall connecting rod 4 and L-type steel 7, the long limit 702 of L-type steel 7 is imbedded in the main body reinforced concrete structure, this main body reinforced concrete structure is building main body side bar, but described little cross bar 3 one end ends also are connected with adjusting screw(rod) 6, but the end of this adjusting screw(rod) 6 holds out against on main body reinforced concrete structure 9 end faces (referring to Fig. 9).
The above-mentioned job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure be arranged on building main body side bar comprises the steps:
A. make wall-connecting piece outside the venue: difference Prefabricated L-shaped steel, wall connecting rod, wherein the Prefabricated L-shaped ladle is drawn together following operation:
1. make L-type steel semiproduct:
Adopt the square steel bending to be made at an angle of 90 the L-type steel semiproduct of minor face length=900mm, the long length of side=1200mm;
2. grow the limit hangnail:
The half-finished long edge point weldering round steel of L-type steel is become to hangnail, make the L-type steel;
B., outrigger is installed: vertical rod is fixed, and be arranged on respectively in vertical rod by little cross bar, leger;
C., wall-connecting piece is installed: the long limit of prefabricated L-type steel is embedded in the agent structure reinforcing bar, and by the long limit of L-type steel and agent structure reinforcing bar binding firm (referring to Figure 12);
D. build the agent structure concrete: while building the agent structure concrete, the long limit thickness of concrete cover >=100mm(of L-type steel is referring to Figure 13);
E. wall-connecting piece is connected with outrigger: treat that the agent structure concrete reaches the codes and standards design load, wall-connecting piece is connected with fastener with outrigger, comprise following operation:
1. by the minor face firm welding (referring to Figure 14) of an end of wall connecting rod and L-type steel, adopt E43 type and the above welding rod of E43 type, arc welding, two-sided full weld length >=100mm, or one side welding length >=200mm, welding machine capacity >=160KVA during welding;
2. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener;
3. but an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force;
F. remove wall-connecting piece: remove wall-connecting piece until decorating outside body of wall after engineering construction finishes, while removing wall-connecting piece, directly the L-type steel is cut away to (referring to Figure 15) with oxygen welding;
G. exterior wall is repaired: the L-type steel end surface of staying after cutting on main body reinforced concrete structure end face is coated rustproof paint, plasters simultaneously and repairs near architectural surface;
H. remove outrigger.
Embodiment tri-:
A kind of concrete wall that is arranged on, exempt from pin trick plug-in type outrigger L-type steel wall-connecting piece structure on pillar, comprise outrigger and wall-connecting piece, described outrigger is mainly by vertical rod 1, leger 2, little cross bar 3 forms, described wall-connecting piece comprises wall connecting rod 4, L-type steel 7, described L-type steel 7 consists of a minor face 701 and a long limit 702, on the long limit 702 of this L-type steel 7 with the hangnail 7021(of irregular inclination referring to Figure 17), irregular being obliquely installed of this hangnail 7021 can help permanent position and strengthen wall-connecting piece and main body riveted degree, prevent from when concrete from building burying the wall end movement, distortion, described L-type steel is made by band steel or angle steel section bar, the bond length=700mm of this L-type steel, the long edge lengths=1000mm of L-type steel.Described wall connecting rod 4 one ends are connected by steel tube fastener 5 with the vertical rod 1 of outrigger, minor face 701 welding (referring to Figure 18) of the other end of wall connecting rod 4 and L-type steel 7, the long limit 702 of L-type steel 7 is imbedded in the main body reinforced concrete structure, this main body reinforced concrete structure is building main body side bar, but described little cross bar 3 one end ends also are connected with adjusting screw(rod) 6, but the end of this adjusting screw(rod) 6 holds out against at main body reinforced concrete structure 9---on concrete wall, pillar end face (referring to Figure 16).
The above-mentioned job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure be arranged on concrete wall, pillar comprises the steps:
A. make wall-connecting piece outside the venue: difference Prefabricated L-shaped steel, wall connecting rod, wherein the Prefabricated L-shaped ladle is drawn together following operation:
1. make L-type steel semiproduct:
Directly adopt angle steel to be cut into the L-type steel semiproduct of minor face length=700mm, the long length of side=1000mm; Or adopt the band steel bending to be made at an angle of 90 the L-type steel semiproduct of minor face length=700mm, the long length of side=1000mm;
2. grow the limit hangnail:
The half-finished long edge point weldering round steel of L-type steel is become to hangnail, make the L-type steel;
After prefabricated complete L-type steel, wall connecting rod by the minor face firm welding (referring to Figure 19) of an end of wall connecting rod and L-type steel, adopt E43 type and the above welding rod of E43 type, arc welding, two-sided full weld length >=100mm during welding, or one side welding length >=200mm, welding machine capacity >=160KVA;
B., outrigger is installed: vertical rod is fixed, and be arranged on respectively in vertical rod by little cross bar, leger;
C., wall-connecting piece is installed: the long limit of prefabricated L-type steel is embedded in the agent structure reinforcing bar, and by the long limit of L-type steel and agent structure reinforcing bar binding firm (referring to Figure 20);
D. build the agent structure concrete: while building the agent structure concrete, the long limit thickness of concrete cover >=100mm(of L-type steel is referring to Figure 21);
E. wall-connecting piece is connected with outrigger: treat that the agent structure concrete reaches the codes and standards design load, wall-connecting piece is connected with outrigger, comprise following operation:
1. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener;
2. but an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force;
F. remove wall-connecting piece: remove wall-connecting piece until decorating outside body of wall after engineering construction finishes, while removing wall-connecting piece, directly the L-type steel is cut away to (referring to Figure 22) with oxygen welding;
G. exterior wall is repaired: the L-type steel end surface of staying after cutting on main body reinforced concrete structure end face is coated rustproof paint, plasters simultaneously and repairs near architectural surface;
H. remove outrigger.
As a kind of conversion of embodiment mono-to embodiment tri-, described L-type steel bond length and long edge lengths can also increase or reduce, generally, and bond length >=200mm, long edge lengths >=300mm.
Claims (10)
1. exempt from pin trick plug-in type outrigger L-type steel wall-connecting piece structure for one kind, comprise outrigger and wall-connecting piece, described outrigger is mainly by vertical rod (1), leger (2), little cross bar (3) forms, it is characterized in that: described wall-connecting piece comprises wall connecting rod (4), L-type steel (7), described L-type steel (7) consists of a minor face (701) and a long limit (702), described wall connecting rod (4) one ends are connected by steel tube fastener (5) with the vertical rod (1) of outrigger, minor face (701) welding of the other end of wall connecting rod (4) and L-type steel (7), the long limit (702) of L-type steel (7) is imbedded in main body reinforced concrete structure (9).
2. the pin trick plug-in type outrigger L-type steel wall-connecting piece structure of exempting from according to claim 1, it is characterized in that: described little cross bar (3) but an end end also is connected with adjusting screw(rod) (6), but end that should adjusting screw(rod) (6) holds out against on main body reinforced concrete structure (9) end face.
3. the pin trick plug-in type outrigger L-type steel wall-connecting piece structure of exempting from according to claim 1, is characterized in that: the upper hangnail (7021) with irregular inclination in the long limit (702) of described L-type steel (7).
4. the pin trick plug-in type outrigger L-type steel wall-connecting piece structure of exempting from according to claim 1, it is characterized in that: the lower end, long limit (702) of described L-type steel (7) is with crotch (7022).
5. according to claim 1 or 2 or the 3 or 4 described pin trick plug-in type outrigger L-type steel wall-connecting piece structures of exempting from, it is characterized in that: described L-type steel (7) is made by indented bars, bar diameter d >=the 14mm of this indented bars, the bar diameter d of radius of curvature R >=4 times; Or described L-type steel (7) made by band steel or angle steel or square steel section bar, this L-type steel minor face (701) length >=200mm, long limit (702) length >=300mm.
6. a job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure, it is characterized in that: the method comprises the steps:
A. make wall-connecting piece outside the venue: difference Prefabricated L-shaped steel, wall connecting rod;
B., outrigger is installed: vertical rod is fixed, and be arranged on respectively in vertical rod by little cross bar, leger;
C., wall-connecting piece is installed: the long limit of prefabricated L-type steel is embedded in the agent structure reinforcing bar, and the long limit of L-type steel and agent structure reinforcing bar binding is firm;
D. build the agent structure concrete: while building the agent structure concrete, the long limit thickness of concrete cover >=100mm of L-type steel;
E. wall-connecting piece is connected with outrigger: treat that the agent structure concrete reaches the codes and standards design load, is connected wall-connecting piece with outrigger;
F. remove wall-connecting piece: remove wall-connecting piece until decorating outside body of wall after engineering construction finishes, directly the L-type steel is cut away with oxygen welding while removing wall-connecting piece;
G. exterior wall is repaired: the L-type steel end surface of staying after cutting on main body reinforced concrete structure end face is coated rustproof paint, plasters simultaneously and repairs near architectural surface;
H. remove outrigger.
7. the job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure according to claim 6, it is characterized in that: in described steps A, the Prefabricated L-shaped ladle is drawn together following operation:
1. make L-type steel semiproduct:
The indented bars bending of employing bar diameter d >=14mm is made into the L-type steel semiproduct of minor face length >=200mm, the long length of side >=300mm, the bar diameter d that the radius of curvature R of indented bars is greater than 4 times at an angle of 90;
Or adopt band steel or square steel bending to be made at an angle of 90 the L-type steel semiproduct of minor face length >=200mm, the long length of side >=300mm;
Or directly adopt angle steel to be cut into the L-type steel semiproduct of minor face length >=200mm, the long length of side >=300mm;
2. grow limit hangnail or crotch:
The half-finished long edge point weldering round steel of L-type steel is become to hangnail, or, by lower end, the long limit crotch of L-type steel, make the L-type steel.
8. the job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure according to claim 7 is characterized in that: wall-connecting piece is connected with outrigger and comprises following operation described in described step e:
1. by the minor face firm welding of an end and the L-type steel of wall connecting rod;
2. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener.
9. the job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure according to claim 8, it is characterized in that: 2. of described step e also includes following operation after procedure: but 3. an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force.
10. the job practices of exempting from pin trick plug-in type outrigger L-type steel wall-connecting piece structure according to claim 7, is characterized in that: also include operation in described steps A: by the minor face firm welding of an end and the L-type steel of wall connecting rod; And in wall-connecting piece is connected with outrigger and comprises following operation described in step e:
1. the other end of wall connecting rod is connected with the vertical rod of outrigger with steel tube fastener;
2. but an end of adjusting screw(rod) is fixedly connected with the little cross bar of outrigger, and but the other end of adjusting screw(rod) is held out against on main body reinforced concrete structure end face, make main body reinforced concrete structure end face bear horizontal pressure force, the L-type steel bears horizontal pull, and the weld seam between wall connecting rod and L-type steel bears vertical force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310409067.6A CN103452304B (en) | 2013-08-08 | 2013-09-10 | Exempt from foot trick plug-in type outrigger L-type steel wall-connecting piece structure and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310344092.0 | 2013-08-08 | ||
| CN2013103440920 | 2013-08-08 | ||
| CN201310344092 | 2013-08-08 | ||
| CN201310409067.6A CN103452304B (en) | 2013-08-08 | 2013-09-10 | Exempt from foot trick plug-in type outrigger L-type steel wall-connecting piece structure and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103452304A true CN103452304A (en) | 2013-12-18 |
| CN103452304B CN103452304B (en) | 2016-08-10 |
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| CN201310409067.6A Expired - Fee Related CN103452304B (en) | 2013-08-08 | 2013-09-10 | Exempt from foot trick plug-in type outrigger L-type steel wall-connecting piece structure and construction method thereof |
| CN201320559957.0U Withdrawn - After Issue CN203514763U (en) | 2013-08-08 | 2013-09-10 | Putlog-hole-free plug-in type outer frame L-shape steel wall connecting piece structure |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320559957.0U Withdrawn - After Issue CN203514763U (en) | 2013-08-08 | 2013-09-10 | Putlog-hole-free plug-in type outer frame L-shape steel wall connecting piece structure |
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Cited By (5)
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| CN104264970A (en) * | 2014-08-29 | 2015-01-07 | 中国建筑第八工程局有限公司 | Method for installing through-wall bolt on ultrahigh shear wall |
| CN107675871A (en) * | 2017-07-25 | 2018-02-09 | 浙江省建工集团有限责任公司 | One kind is building rise long-span outrigger wall-connecting piece construction method |
| CN109898834A (en) * | 2019-02-22 | 2019-06-18 | 上海建工七建集团有限公司 | External scaffolding drawknot point structure and its production construction method at a kind of shear wall |
| CN110778104A (en) * | 2019-11-22 | 2020-02-11 | 上海宝冶集团有限公司 | Scaffold wall connecting piece and using method thereof |
| CN110821142A (en) * | 2019-11-06 | 2020-02-21 | 上海建工七建集团有限公司 | Prefabricated structure outer frame drawknot structure and construction method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452304B (en) * | 2013-08-08 | 2016-08-10 | 广西建工集团第五建筑工程有限责任公司 | Exempt from foot trick plug-in type outrigger L-type steel wall-connecting piece structure and construction method thereof |
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| CN110821142A (en) * | 2019-11-06 | 2020-02-21 | 上海建工七建集团有限公司 | Prefabricated structure outer frame drawknot structure and construction method |
| CN110778104A (en) * | 2019-11-22 | 2020-02-11 | 上海宝冶集团有限公司 | Scaffold wall connecting piece and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203514763U (en) | 2014-04-02 |
| CN103452304B (en) | 2016-08-10 |
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