CN109555541B - Steel frame construction process - Google Patents
Steel frame construction process Download PDFInfo
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- CN109555541B CN109555541B CN201811501613.8A CN201811501613A CN109555541B CN 109555541 B CN109555541 B CN 109555541B CN 201811501613 A CN201811501613 A CN 201811501613A CN 109555541 B CN109555541 B CN 109555541B
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- steel frame
- vertical plate
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
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- Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a steel frame convenient to fixedly install, relates to the field of building construction, and mainly solves the problems that a steel bar welding process is troublesome and the steel frame is easy to topple during steel frame construction; the steel bar fixing device comprises a first steel frame, a second steel frame, an anti-tilting device, a first vertical plate, a second vertical plate, a first sliding block and a second sliding block, wherein the front side and the rear side of the bottoms of the first steel frame and the second steel frame are symmetrically provided with the fixedly connected anti-tilting device, the first sliding block and the second sliding block are placed in a sliding cavity formed by the first vertical plate, the second vertical plate and a web plate, the first sliding block and the second sliding block are respectively provided with a first positioning hole and a second positioning hole, and the first steel frame and the second steel frame are connected through a first connecting steel bar and a second connecting steel bar.
Description
Technical Field
The invention relates to the field of building construction, in particular to a steel frame construction process.
Background
Chinese patent "CN 207194918U" discloses a steel frame system for construction of extremely soft surrounding rock tunnel, which includes: the steel frame comprises a first primary support steel frame, a second primary support steel frame, first connecting angle steel, second connecting angle steel, first connecting reinforcing steel bars and second connecting reinforcing steel bars; one end of the first connecting angle steel is welded with the first primary support steel frame, and the other end of the first connecting angle steel is welded with the second primary support steel frame; one end of the second connecting angle steel is welded with the first primary support steel frame, and the other end of the second connecting angle steel is welded with the second primary support steel frame; one end of the first connecting steel bar is welded with the first primary support steel frame; the steel frame system disclosed by the patent can ensure that the settlement ranges of adjacent steel frames are consistent even in construction of weak surrounding rocks with extremely poor geology through the dual functions of the connecting angle steel and the connecting reinforcing steel bars, so that the problem of settlement of the surrounding rocks is avoided, and further the construction of a tunnel is influenced;
however, the following problems also exist:
1. the steel bar welding process for connecting the steel frame and the steel frame is troublesome, one person is often required to weld another person to hold the steel bar, and the steel bar has the risk of falling, so that constructors are injured;
2. the steel frame has no anti-toppling measures, and the safety performance is low;
3. when the steel frame is installed in specific construction, the steel frame cannot be well positioned, and the error is overlarge;
therefore, a steel frame convenient to mount and a steel frame construction process are provided to solve the problems.
Disclosure of Invention
The invention aims to provide a steel frame construction process to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a make things convenient for fixed mounting's steelframe, includes first steelframe, second steelframe, anti-tilt device, riser, second riser, first slider and second slider, first steelframe and second steelframe comprise pterygoid lamina and web, both ends symmetry is provided with fixed connection's pterygoid lamina around the web, the equal symmetry in both sides is provided with fixed connection's anti-tilt device around the bottom of first steelframe and second steelframe, both ends symmetry is provided with riser and second riser around on the pterygoid lamina, first slider and second slider are all placed in the slip cavity that riser, second riser and web formed, be provided with first locating hole and second locating hole on first slider and the second slider respectively, first steelframe and second steelframe pass through first connecting reinforcement and second connecting reinforcement and link to each other.
As a further scheme of the invention: the anti-tilting device comprises a tilting rod and a cross rod, one end of the tilting rod is fixedly connected with the wing plate, one end of the tilting rod, far away from the wing plate, is fixedly connected with one end of the cross rod, and the other end of the cross rod is fixedly connected with the wing plate.
As a further scheme of the invention: the first steel frame and the second steel frame are the same in size.
As a further scheme of the invention: the longitudinal edges of the first vertical plate and the second vertical plate are fixedly connected with the front wing plate and the rear wing plate respectively to form a sliding cavity, and limiting plates are arranged at the lower ends of the first vertical plate and the second vertical plate.
As a further scheme of the invention: the distance between the first vertical plate and the web of the second vertical plate is 2-5 cm.
As a further scheme of the invention: first locating hole and second locating hole are inserted respectively to the one end of first connecting reinforcement and second connecting reinforcement, and weld with first locating hole and second locating hole respectively, thereby form "X" font, can effectively fix first steelframe and second steelframe, through removing first slider and second slider, arrange suitable position in, and with first slider, the second slider all with the first riser, second riser and web welding, insert first connecting reinforcement or second connecting reinforcement in first locating hole or the second slider, convenient fixed, the unstable problem of steelframe welding has been solved, avoid personnel to be injured.
As a further scheme of the invention: still included a plurality of first bolt holes and a plurality of second bolt hole (not drawn in the picture), first bolt hole symmetry sets up on first riser and second riser, the second bolt hole sets up respectively on first slider and second slider, and through inserting the bolt, the first bolt hole and the second bolt hole of cooperateing, it is more convenient to fix first slider and second slider to fix a position the reinforcing bar better.
As a further scheme of the invention: the scale mark line is arranged on the first vertical plate and the second vertical plate respectively, so that the scale mark line can be accurately positioned.
As a further scheme of the invention: the construction process for applying the steel frame convenient to fixedly mount comprises the following steps:
s1, raw material entering and test proportioning;
after entering a field, the steel bars are organized into raw materials for inspection and simulated welding, concrete is produced by a mixing station No. 1 or a mixing station No. 2 (the mixing station passes the inspection and acceptance of relevant departments), and the underwater Ca30 concrete mixing proportion is made so as to guide construction;
s2, calculating the bearing capacity of the steel frame (the calculation methods are various and can be determined according to the actual calculation method), and confirming the positions of the first sliding block and the second sliding block; the calculation method is as follows:
setting the side length of a steel plate as b, the thickness as h and the deflection generated under the action of a force P as f; the following formula uses conditions: h is less than or equal to 0.2 b;
the stress at the center point is: sigma-c 8P/h ^2, wherein: c8- -rectangular flat coefficient 8, looking up table to obtain c8 ═ 0.0611;
the deflection of the central point is: f ═ c8Pb ^2/(Eh ^3) in the formula: e- -modulus of elasticity of the material; c8 is as above;
according to the fact that the steel bars can bear the pressure F, and then according to the 'pythagorean theorem' and the application of the 'inverse trigonometric function', the angles of the first steel bars and the second steel bars and the horizontal direction are calculated, and therefore the positions of the first connecting steel bars and the second connecting steel bars and the positions of the first positioning holes and the second positioning holes are determined;
s3, adjusting the position of the sliding block, and fixedly welding the anti-toppling device on the steel frame plate;
and S4, welding, inserting the steel bars into the limiting blocks, confirming the positions, measuring the sizes and welding.
Compared with the prior art, the invention has the beneficial effects that: the steel bar fixing device is convenient to fix the steel bar, accurate in positioning, capable of avoiding the risk of falling and injuring personnel when welding the steel bar, reducing labor cost, capable of preventing toppling and suitable for popularization;
through removing first slider and second slider, arrange suitable position in to all with first slider, second slider with first riser, second riser and web welding, insert first connecting reinforcement or second connecting reinforcement in first locating hole or the second slider, the convenient fixing has solved the unstable problem of steelframe welding, avoids personnel's injury.
Drawings
FIG. 1 is a schematic view of a steel frame structure according to the present invention.
Fig. 2 is a schematic perspective view of the anti-roll device of the present invention.
In the figure: 1-a first steel frame, 2-a second steel frame, 3-an anti-tilting device, 4-a tilting rod, 5-a cross rod, 6-a first vertical plate, 7-a second vertical plate, 8-a first sliding block, 9-a first positioning hole, 10-a second sliding block, 11-a second positioning hole, 12-a first connecting steel bar, 13-a second connecting steel bar, 14-a wing plate and 15-a web plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, in the embodiment of the present invention, a steel frame convenient for fixed installation includes a first steel frame 1, a second steel frame 2, an anti-tilting device 3, a first vertical plate 6, a second vertical plate 7, a first sliding block 8 and a second sliding block 10, the first steel frame 1 and the second steel frame 2 have the same size, the first steel frame 1 and the second steel frame 2 are both composed of wing plates 14 and web plates 15, the front and rear ends of the web plates 15 are symmetrically provided with fixedly connected wing plates 14, the front and rear sides of the bottoms of the first steel frame 1 and the second steel frame 2 are symmetrically provided with fixedly connected anti-tilting devices 3 to prevent the first steel frame 1 and the second steel frame 2 from tilting, the anti-tilting device 3 includes a tilting rod 4 and a cross rod 5, one end of the tilting rod 4 is fixedly connected with the wing plates 14, one end of the tilting rod 4 far from the wing plates 14 is fixedly connected with one end of the cross rod 5, the other end of the cross bar 5 is fixedly connected with a wing plate 14;
a first vertical plate 6 and a second vertical plate 7 are symmetrically arranged at the front end and the rear end of each wing plate 14, the longitudinal edges of the first vertical plate 6 and the second vertical plate 7 are fixedly connected with the front wing plate 14 and the rear wing plate 14 respectively to form a sliding cavity, and limiting plates are arranged at the lower ends of the first vertical plate 6 and the second vertical plate 7;
preferably, the distance between the first riser 6 and the web 15 of the second riser 7 is 2-5 cm;
the first sliding block 8 and the second sliding block 10 are all placed in a sliding cavity formed by the first vertical plate 6, the second vertical plate 7 and the web 15, the first sliding block 8 and the second sliding block 10 are respectively provided with a first positioning hole 9 and a second positioning hole 11, the first steel frame 1 and the second steel frame 2 are connected through a first connecting steel bar 12 and a second connecting steel bar 13, one end of the first connecting steel bar 12 and one end of the second connecting steel bar 13 are respectively inserted into the first positioning hole 9 and the second positioning hole 11 and are respectively welded with the first positioning hole 9 and the second positioning hole 11, so that an X shape is formed, the first steel frame 1 and the second steel frame 2 can be effectively fixed, the first sliding block 8 and the second sliding block 10 are placed in proper positions by moving the first sliding block 8 and the second sliding block 10, the first sliding block 8 and the second sliding block 10 are respectively welded with the first vertical plate 6, the second vertical plate 7 and the web 15, and the first connecting steel bar 12 or the second connecting steel bar 13 is inserted into the first positioning hole 9 or the second sliding block 10, the convenient fixed, solved the unstable problem of steelframe welding, avoided personnel to be injured.
Example 2
Referring to fig. 1-2, embodiment 2 differs from embodiment 1 in that it further includes a plurality of first bolt holes and a plurality of second bolt holes (not shown), the first bolt holes are symmetrically disposed on the first vertical plate 6 and the second vertical plate 7, the second bolt holes are respectively disposed on the first slider 8 and the second slider 10, and it is more convenient to fix the first slider 8 and the second slider 10 by inserting bolts to match the first bolt holes and the second bolt holes, so as to better position the reinforcing steel bars.
Example 3
Referring to fig. 1-2, embodiment 3 is different from embodiment 2 in that it further includes scale marks respectively disposed on the first vertical plate 6 and the second vertical plate 7 for accurate positioning.
Example 4
A construction process for applying the steel frame convenient to fixedly mount in any one of embodiments 1 to 3 comprises the following steps:
s1, raw material entering and test proportioning;
after entering a field, the steel bars are organized into raw materials for inspection and simulated welding, concrete is produced by a mixing station No. 1 or a mixing station No. 2 (the mixing station passes the inspection and acceptance of relevant departments), and the underwater Ca30 concrete mixing proportion is made so as to guide construction;
s2, calculating the bearing capacity of the steel frame (the calculation methods are various and can be determined according to the actual calculation method), and confirming the positions of the first sliding block and the second sliding block; the calculation method is as follows:
setting the side length of a steel plate as b, the thickness as h and the deflection generated under the action of a force P as f; the following formula uses conditions: h is less than or equal to 0.2 b;
the stress at the center point is: sigma-c 8P/h ^2, wherein: c8- -rectangular flat coefficient 8, looking up table to obtain c8 ═ 0.0611;
the deflection of the central point is: f ═ c8Pb ^2/(Eh ^3) in the formula: e- -modulus of elasticity of the material; c8 is as above;
according to the fact that the steel bars can bear the pressure F, and then according to the 'pythagorean theorem' and the application of the 'inverse trigonometric function', the angles of the first steel bars and the second steel bars and the horizontal direction are calculated, and therefore the positions of the first connecting steel bars and the second connecting steel bars and the positions of the first positioning holes and the second positioning holes are determined;
s3, adjusting the position of the sliding block, and fixedly welding the anti-toppling device on the steel frame plate;
and S4, welding, inserting the steel bars into the limiting blocks, confirming the positions, measuring the sizes and welding.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A steel frame convenient for fixed installation comprises a first steel frame (1), a second steel frame (2), an anti-tilting device (3), a first vertical plate (6), a second vertical plate (7), a first sliding block (8) and a second sliding block (10), wherein the first steel frame (1) and the second steel frame (2) are both composed of wing plates (14) and a web (15), the front end and the rear end of the web (15) are symmetrically provided with fixedly connected wing plates (14), the steel frame is characterized in that the front side and the rear end of the bottoms of the first steel frame (1) and the second steel frame (2) are both symmetrically provided with fixedly connected anti-tilting devices (3), the front end and the rear end of each wing plate (14) are symmetrically provided with the first vertical plate (6) and the second vertical plate (7), the first sliding block (8) and the second sliding block (10) are both placed in a sliding cavity formed by the first vertical plate (6), the second vertical plate (7) and the web (15), the first slider (8) and the second slider (10) are respectively provided with a first positioning hole (9) and a second positioning hole (11), and the first steel frame (1) and the second steel frame (2) are connected through a first connecting steel bar (12) and a second connecting steel bar (13).
2. The steel frame convenient for fixed installation according to claim 1, wherein the anti-tilting device (3) comprises a tilting rod (4) and a cross rod (5), one end of the tilting rod (4) is fixedly connected with the wing plate (14), one end of the tilting rod (4) far away from the wing plate (14) is fixedly connected with one end of the cross rod (5), and the other end of the cross rod (5) is fixedly connected with the wing plate (14).
3. The steel frame convenient for fixed installation according to claim 2, wherein the first steel frame (1) and the second steel frame (2) are the same size.
4. The steel frame convenient for fixed installation of claim 3, wherein the longitudinal edges of the first vertical plate (6) and the second vertical plate (7) are fixedly connected with the front wing plate (14) and the rear wing plate (14) respectively, and limiting plates are arranged at the lower ends of the first vertical plate (6) and the second vertical plate (7).
5. The steel frame facilitating fixed installation according to claim 4, wherein the distance between the first riser (6) and the second riser (7) and the web (15) is 2-5 cm.
6. The steel frame facilitating fixed installation according to claim 1, wherein one ends of the first connecting steel bar (12) and the second connecting steel bar (13) are inserted into the first positioning hole (9) and the second positioning hole (11), respectively, and welded with the first positioning hole (9) and the second positioning hole (11), respectively, to form an "X" shape.
7. The steel frame convenient for fixed installation according to any one of claims 1 to 6, further comprising a first bolt hole and a second bolt hole, wherein the first bolt hole is symmetrically arranged on the first vertical plate (6) and the second vertical plate (7), and the second bolt hole is respectively arranged on the first sliding block (8) and the second sliding block (10).
8. The steel frame facilitating fixed installation according to claim 7, further comprising scale marks, wherein the scale marks are respectively arranged on the first vertical plate (6) and the second vertical plate (7).
9. A steel frame construction process, comprising the steel frame convenient for fixed installation as claimed in any one of claims 1 to 8, characterized by the steps of:
s1, raw material entering and test proportioning; after entering a field, the steel bars are subjected to tissue raw material inspection and simulated welding, concrete is produced by adopting a 1# mixing station or a 2# mixing station, and the underwater Ca30 concrete mixing ratio is made so as to guide construction;
s2, calculating the bearing force of the steel frame, and confirming the positions of the first sliding block and the second sliding block; the calculation method comprises the following steps:
setting the side length of a steel plate as b, the thickness as h and the deflection generated under the action of a force P as f; the following formula uses conditions: h is less than or equal to 0.2 b;
the stress at the center point is: sigma-c 8P/h ^2, wherein: c8- -rectangular flat coefficient 8, looking up table to obtain c8 ═ 0.0611;
the deflection of the central point is: f ═ c8Pb ^2/(Eh ^3) in the formula: e- -modulus of elasticity of the material; c8 is as above;
according to the fact that the steel bars can bear the pressure F, and then according to the 'pythagorean theorem' and the application of the 'inverse trigonometric function', the angles of the first steel bars and the second steel bars and the horizontal direction are calculated, and therefore the positions of the first connecting steel bars and the second connecting steel bars and the positions of the first positioning holes and the second positioning holes are determined;
s3, adjusting the position of the sliding block, and fixedly welding the anti-toppling device on the steel frame plate;
and S4, welding, inserting the steel bars into the limiting blocks, confirming the positions, measuring the sizes and welding.
10. Use of a steel frame according to any one of claims 1 to 8 to facilitate fixed installation during construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501613.8A CN109555541B (en) | 2018-12-10 | 2018-12-10 | Steel frame construction process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501613.8A CN109555541B (en) | 2018-12-10 | 2018-12-10 | Steel frame construction process |
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| CN109555541A CN109555541A (en) | 2019-04-02 |
| CN109555541B true CN109555541B (en) | 2020-04-03 |
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| CN201811501613.8A Active CN109555541B (en) | 2018-12-10 | 2018-12-10 | Steel frame construction process |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208086A (en) * | 1994-01-18 | 1995-08-08 | Minoru Yamamoto | Segment for tunnel lining |
| CN103244146A (en) * | 2013-05-14 | 2013-08-14 | 中铁二十一局集团第四工程有限公司 | Construction method for steel frame connection in tunnel anchor-plate retaining |
| CN203156272U (en) * | 2013-03-28 | 2013-08-28 | 四川华神钢构有限责任公司 | Tilting-preventing device applied to H-shaped steel welding jig frame |
| CN206513385U (en) * | 2017-02-18 | 2017-09-22 | 中铁华铁工程设计集团有限公司 | A kind of prefabricated preliminary bracing steelframe of not getting angry for gas tunnel |
| CN206513386U (en) * | 2016-12-28 | 2017-09-22 | 中铁第四勘察设计院集团有限公司 | A kind of profile steel frame for tunnel just branch construction is exempted to weld quick assembling supporting construction |
| CN207194918U (en) * | 2017-08-02 | 2018-04-06 | 中建铁路建设有限公司 | A kind of steel frame system for pole Modelling of Tunnel Excavation in Soft Rock |
| CN108396862A (en) * | 2018-02-24 | 2018-08-14 | 桐乡聚业钢结构有限公司 | A kind of steel structure member and its pre- construction technology |
-
2018
- 2018-12-10 CN CN201811501613.8A patent/CN109555541B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07208086A (en) * | 1994-01-18 | 1995-08-08 | Minoru Yamamoto | Segment for tunnel lining |
| CN203156272U (en) * | 2013-03-28 | 2013-08-28 | 四川华神钢构有限责任公司 | Tilting-preventing device applied to H-shaped steel welding jig frame |
| CN103244146A (en) * | 2013-05-14 | 2013-08-14 | 中铁二十一局集团第四工程有限公司 | Construction method for steel frame connection in tunnel anchor-plate retaining |
| CN206513386U (en) * | 2016-12-28 | 2017-09-22 | 中铁第四勘察设计院集团有限公司 | A kind of profile steel frame for tunnel just branch construction is exempted to weld quick assembling supporting construction |
| CN206513385U (en) * | 2017-02-18 | 2017-09-22 | 中铁华铁工程设计集团有限公司 | A kind of prefabricated preliminary bracing steelframe of not getting angry for gas tunnel |
| CN207194918U (en) * | 2017-08-02 | 2018-04-06 | 中建铁路建设有限公司 | A kind of steel frame system for pole Modelling of Tunnel Excavation in Soft Rock |
| CN108396862A (en) * | 2018-02-24 | 2018-08-14 | 桐乡聚业钢结构有限公司 | A kind of steel structure member and its pre- construction technology |
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Address after: Room B901 and 916, No.10 Xinghuo Road, Science City, Fengtai District, Beijing Patentee after: CCCC Central South Engineering Bureau Co.,Ltd. Patentee after: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Address before: Room B901 and 916, No.10 Xinghuo Road, Science City, Fengtai District, Beijing Patentee before: BRIDGE & TUNNEL ENGINEERING CO., LTD. OF CCCC FIRST HIGHWAY ENGINEERING Co.,Ltd. Patentee before: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. |
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