CN104196226A - Profiled-steel beam fixing anchor structure and construction method thereof - Google Patents
Profiled-steel beam fixing anchor structure and construction method thereof Download PDFInfo
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- CN104196226A CN104196226A CN201410477025.0A CN201410477025A CN104196226A CN 104196226 A CN104196226 A CN 104196226A CN 201410477025 A CN201410477025 A CN 201410477025A CN 104196226 A CN104196226 A CN 104196226A
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- steel beam
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Abstract
Disclosed is a profiled-steel beam fixing anchor structure and a construction method thereof. The structure comprises a concrete floor slab, a profiled-steel beam placed on the concrete floor slab, and an anchoring component fixing the profiled-steel beam onto the concrete floor slab. The anchoring component comprises a horizontal base plate, vertical clamping rods, an adjustable clamping rod cushioning plate, clamping rod protecting tubes, profiled-steel beam adjustable plates, nut gaskets and nuts. The structure is simple and convenient to assemble and disassemble, and the mounting position is optional and flexible; during mounting, the distance between the vertical clamping rods can be adjusted to be adaptive to profiled steels with different section sizes according to the width of the profiled-steel beam, the workload for pre-embedding the anchor fixing positions traditionally is omitted, and the subsequent construction can be performed after the formwork of the floor slab is placed; after the suspended profiled-steel beam construction is completed, the upper nuts and the profiled-steel beam adjustable plates can be removed, the tops of the vertical clamping rods can be knocked slightly, the structure can be separated from the structural floor slab and can be recovered and reused in a circulating manner, the project cost and labor cost are reduced.
Description
Technical field
The present invention relates to the realm of building construction, the fixing earth anchor structure of overhanging type steel beam and construction method thereof that particularly a kind of engineering construction is used.
Background technology
The use of builder's jack or overhanging unloading platform is more and more extensive, in highrise building, builder's jack or overhanging unloading platform are unsettled exterior wall outsides of building in building, builder's jack or overhanging unloading platform are generally fixing by installing between the section steel beam of scaffold or platform bottom and floor slab structure by earth anchor, strengthen the safety of cantilevered structure.
The common practices of the fixing earth anchor of existing section steel beam is: before building floor slab structure concrete, earth anchor reinforcing bar is curved to Ω shape, foot with together with reinforcing bar binding in floor, after concreting completes, one end of section steel beam is penetrated to arch, and adopt timber wedge jam-pack.While placing overhanging type steel beam, if the installation site of earth anchor reinforcing bar has a little deviation to adjust, bring certain difficulty can to the construction of section steel beam; After cantilevered structure is used to complete, the earth anchor reinforcing bar that exposes floor need be cut off, the built-in fitting after cutting can only waste disposal, has wasted a large amount of man power and materials, incurs loss through delay the duration.
Summary of the invention
The object of this invention is to provide the fixing earth anchor structure of a kind of section steel beam and construction method thereof, solving the fixing earth anchor of traditional girder steel installation site cannot adjust, construction is brought to difficult technical problem, also having solved the part that traditional fixing earth anchor exposes floor need to cut off, waste a large amount of manpower and materials, incured loss through delay the technical problem of duration.
For achieving the above object, the present invention adopts following technical scheme:
The fixing earth anchor structure of a kind of section steel beam, comprise concrete floor, be held on the section steel beam on concrete floor and section steel beam is fixed on to the multiple anchoring assemblies on concrete floor, described anchoring assembly is by two horizonal base plates, two vertical clamping bars, an adjustable backing plate of clamping bar, two clamping bar pillars, a section steel beam pressure-adjustable plate, and form with nut pad and nut that vertical clamping bar is used in conjunction with;
Described two vertical clamping bars divide the both sides that are located at section steel beam, the top ends of vertical clamping bar is provided with the screw thread coordinating with nut pad and nut, bottom and the horizonal base plate of vertical clamping bar are rigidly connected, described clamping bar is adjustable, and backing plate is enclosed within on two vertical clamping bars, is made two distances between vertical clamping bar adjustable along bar pad plate hole by bar pad plate hole, and described clamping bar protective pipe sleeve is on the vertical clamping bar above the adjustable backing plate of clamping bar;
Within described horizonal base plate, clamping bar is adjustable backing plate, the vertical bottom of clamping bar and the bottom of clamping bar pillar are all embedded in concrete floor, described section steel beam pressure-adjustable plate is placed on the upper surface of section steel beam, and section steel beam pressure-adjustable plate by strip plate borehole jack on the top of two vertical clamping bars, make two distances between vertical clamping bar adjustable along strip plate hole, described nut pad respectively with nut be threaded in vertical clamping bar upper end, make section steel beam pressure-adjustable plate tightly suppress section steel beam.
Described anchoring assembly at least arranges three along the length direction of section steel beam, and the far-end of encorbelmenting at least arranges two, and the near-end of encorbelmenting at least arranges one.
Described bar pad plate hole and strip plate hole measure-alike.
Described vertical clamping bar is fixedly connected with horizonal base plate by perforation plug welding.
Described nut is single nut or double nut.
Described clamping bar pillar is pvc pipe.
A construction method for the fixing earth anchor structure of section steel beam, construction sequence is as follows:
Step 1, determine the size of the adjustable backing plate of clamping bar according to section steel beam force analysis;
Step 2, before use, opens screw thread by vertical clamping bar one end, by horizonal base plate and vertical clamping bar other end perforate welding;
Step 3, clamping bar is adjustable backing plate and section steel beam pressure-adjustable plate measure-alike, before use, opens bar shaped sliding eye and is respectively bar pad plate hole and strip plate hole at middle part, nut pad is opened circular hole;
Step 4, after slab form has installed, horizonal base plate and vertical clamping bar weldment are positioned in template, adjust the distance between vertical clamping bar, with the width of ecad girder steel;
Step 5, adjustable the clamping bar with bar pad plate hole backing plate is inserted in to vertical clamping bar;
Step 6, be inserted in clamping bar pillar in vertical clamping bar outside;
After step 7, concrete floor are built, section steel beam is put in the middle of two vertical clamping bars;
Step 8, the section steel beam pressure-adjustable plate 3 with strip plate hole is inserted in to vertical clamping bar;
Step 9, round-meshed nut pad is inserted in respectively to the vertical clamping bar end of thread;
Step 10, nut is screwed into the end of thread of vertical clamping bar, fastening.
Compared with prior art the present invention has following characteristics and beneficial effect:
The bottom of anchoring piece of the present invention is positioned over the relevant position on reinforced concrete girder slab template, anchoring piece is by the bar pad plate hole in the adjustable backing plate of clamping bar, make the relative distance of vertical clamping bar adjustable, with the width dimensions of ecad girder steel, after floor concrete casting completes, overhanging type steel beam is put in the middle of vertical clamping bar, made section steel beam pressure-adjustable plate fasten section steel beam by nut pad and nut, thereby reach overhanging type steel Liangping and be surely firmly secured to the object of structure floor.Vertical clamping bar uses the clamping bar pillar of PVC to entangle, and while ensureing concreting, vertical clamping bar exempts from pollution.
This overhanging type steel beam earth anchor is simple in structure, easy accessibility, and installation site is arbitrarily flexible; Can be according to the vertical clamping bar spacing of the width adjustment of section steel beam to adapt to the shaped steel of different cross section size when installation; When installation, exempt the workload of traditional pre-buried earth anchorage position, be put in slab form and get final product follow-up construction; After the construction of overhanging type steel beam, this overhanging type steel beam earth anchor can remove down top nut and section steel beam pressure-adjustable plate, knocks gently the top of vertical clamping bar, can depart from structure floor, reclaim turnover and recycle, reduced the input of engineering cost and manpower.
The object of this invention is to provide a kind of simple in structure, low cost of manufacture, simple and efficient to handle, can the reduction of erection time, cost-saving overhanging type steel beam earth anchor, can be widely used in builder's jack section steel beam earth anchor, overhanging unloading platform section steel beam earth anchor etc.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is plan structure schematic diagram of the present invention.
Fig. 2 is the structural representation of the a-a section in Fig. 1.
Fig. 3 is the structural representation of the b-b section in Fig. 1.
Fig. 4 is the plan structure schematic diagram that the horizonal base plate of anchoring assembly in the present invention is connected with vertical clamping bar.
Fig. 5 is the structural representation of the c-c section in Fig. 4.
Fig. 6 is the structural representation of the adjustable backing plate of clamping bar of the present invention.
Fig. 7 is the structural representation of the d-d section in Fig. 6.
Fig. 8 is the fixing earth anchor nut pad schematic diagram of section steel beam of the present invention.
Fig. 9 is the structural representation of the e-e section in Fig. 8.
Figure 10 is the structural representation of section steel beam pressure-adjustable plate of the present invention.
Figure 11 is the structural representation of the f-f section in Figure 10.
Reference numeral: 1-nut, 2-nut pad, 2.1-circular hole, 3-section steel beam pressure-adjustable plate, 3.1-strip plate hole, the vertical clamping bar of 4-, 5-clamping bar is adjustable backing plate, 5.1-bar pad plate hole, 6-horizonal base plate, 7-clamping bar pillar, 8-concrete floor, 9-section steel beam, 10-screw thread, 11-weld seam.
Detailed description of the invention
Embodiment is referring to shown in Fig. 1～2, the fixing earth anchor structure of a kind of section steel beam, comprise concrete floor 8, be held on the section steel beam 9 on concrete floor 8 and section steel beam 9 is fixed on to the multiple anchoring assemblies on concrete floor 8, described anchoring assembly is by two horizonal base plates 6,5, two clamping bar pillars 7 of the adjustable backing plate of 4, one clamping bars of two vertical clamping bars, a section steel beam pressure-adjustable plate 3, and form with nut pad 2 and nut 1 that vertical clamping bar 4 is used in conjunction with.
Shown in Figure 3, 4 points of described two vertical clamping bars are located at the both sides of section steel beam 9, the top ends of vertical clamping bar is provided with the screw thread 10 coordinating with nut pad 2 and nut 1, shown in Fig. 4～5, bottom and the horizonal base plate 6 of vertical clamping bar are rigidly connected, vertical clamping bar 4 is fixedly connected with horizonal base plate 6 by perforation plug welding, shown in Fig. 6～7, in figure, dash area is weld seam 11, described clamping bar is adjustable, and backing plate 5 is enclosed within on two vertical clamping bars 4 by bar pad plate hole 5.1, make two distances between vertical clamping bar 4 adjustable along bar pad plate hole 5.1, described clamping bar pillar 7 is enclosed within on the vertical clamping bar 4 of the adjustable backing plate of clamping bar 5 tops, ensure that screw thread 10 is exposed to the top of clamping bar pillar 7.
Described horizonal base plate 6, clamping bar is adjustable backing plate 5, the bottom of vertical clamping bar 4, and within the bottom of clamping bar pillar 7 is all embedded in concrete floor 8, described section steel beam pressure-adjustable plate 3 is placed on the upper surface of section steel beam 9, shown in Figure 10～11, the strip plate hole 3.1 that the top of vertical clamping bar 4 has along plate body length direction through the middle part of section steel beam pressure-adjustable plate 3, and section steel beam pressure-adjustable plate 3 is enclosed within the top of two vertical clamping bars 4 by strip plate hole 3.1, make two distances between vertical clamping bar 4 adjustable along strip plate hole 3.1, described nut pad 2 and nut 1 are threaded in the upper end of vertical clamping bar 4, make section steel beam pressure-adjustable plate 3 tightly suppress section steel beam 9.Shown in Fig. 8～9, in this enforcement, nut pad 2 is rectangle, and middle part has the circular hole 2.1 passing for vertical clamping bar 4, makes the reaction force stepless action of nut 1 on section steel beam pressure-adjustable plate 3.
In the present embodiment, anchoring assembly arranges three along the length direction of section steel beam 9, and the far-end of encorbelmenting arranges two, and the near-end of encorbelmenting arranges one.Bar pad plate hole 5.1 and strip plate hole 3.1 measure-alike.Described clamping bar pillar 7 is pvc pipe.
Described nut 1 is single nut or double nut, and the present embodiment is double nut.
Shown in Figure 3, section steel beam pressure-adjustable plate 3 directly contacts with section steel beam 9, and the reaction force of section steel beam 9 acts on vertical clamping bar 4 by nut pad 2 and nut 1.Vertical clamping bar 4 welds with horizonal base plate 6, and active force acts on the adjustable backing plate 5 of clamping bar by weld seam, then passes through adjustable backing plate 5 stepless actions of clamping bar at the bottom of the plate of concrete floor, utilizes concrete floor to fix earth anchor.
Construction sequence of the present invention is as follows:
Step 1, determine the size of the adjustable backing plate 5 of clamping bar according to section steel beam force analysis.
Step 2, before use, opens screw thread 10 by vertical clamping bar 4 one end, by horizonal base plate 6 and vertical clamping bar 4 other end perforates welding.
Step 3, clamping bar is adjustable backing plate 5 are measure-alike with section steel beam pressure-adjustable plate 3, before use, open bar shaped sliding eye be respectively bar pad plate hole 5.1 and strip plate hole 3.1 at middle part, and nut pad is opened circular hole 2.1.
Step 4, after slab form has installed, horizonal base plate 6 and vertical clamping bar 4 weldments are positioned in template, adjust the distance between vertical clamping bar, with the width of ecad girder steel.
Step 5, adjustable the clamping bar with bar pad plate hole 5.1 backing plate 5 is inserted in to vertical clamping bar 4.
Step 6, be inserted in clamping bar pillar 7 in vertical clamping bar 4 outsides.
Before step 7, concreting, above clamping bar pillar 7, overlap again a brachymemma pillar and not polluted by concrete with protection screw thread 10, after concrete floor is built, section steel beam is put in the middle of two vertical clamping bars 4.
Step 8, the section steel beam pressure-adjustable plate 3 with strip plate hole 3.1 is inserted in to vertical clamping bar 4, similar step 5.
Step 9, the nut pad 2 with circular hole 2.1 is inserted in respectively to vertical clamping bar 4 ends of thread.
Step 10, nut 1 is screwed into the end of thread of vertical clamping bar, fastening.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not departing from the present invention; various distortion and improvement that those of ordinary skill in the art make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (7)
1. the fixing earth anchor structure of section steel beam, comprise concrete floor (8), be held on the section steel beam (9) on concrete floor (8) and section steel beam (9) is fixed on to the multiple anchoring assemblies on concrete floor (8), it is characterized in that: described anchoring assembly is by two horizonal base plates (6), two vertical clamping bars (4), an adjustable backing plate of clamping bar (5), two clamping bar pillars (7), a section steel beam pressure-adjustable plate (3), and form with nut pad (2) and nut (1) that vertical clamping bar (4) is used in conjunction with;
Described two vertical clamping bars (4) point are located at the both sides of section steel beam (9), the top ends of vertical clamping bar is provided with the screw thread (10) coordinating with nut pad (2) and nut (1), bottom and the horizonal base plate (6) of vertical clamping bar are rigidly connected, described clamping bar is adjustable, and backing plate (5) is enclosed within on two vertical clamping bars (4), is made the distance between two vertical clamping bars (4) adjustable along bar pad plate hole (5.1) by bar pad plate hole (5.1), and described clamping bar pillar (7) is enclosed within on the vertical clamping bar (4) of the adjustable backing plate of clamping bar (5) top;
Described horizonal base plate (6), clamping bar is adjustable backing plate (5), the bottom of vertical clamping bar (4), and within the bottom of clamping bar pillar (7) is all embedded in concrete floor (8), described section steel beam pressure-adjustable plate (3) is placed on the upper surface of section steel beam (9), and section steel beam pressure-adjustable plate (3) is enclosed within the top of two vertical clamping bars (4) by strip plate hole (3.1), make the distance between two vertical clamping bars (4) adjustable along strip plate hole (3.1), described nut pad (2) and nut (1) are threaded in the upper end of vertical clamping bar (4), make section steel beam pressure-adjustable plate (3) tightly suppress section steel beam (9).
2. the fixing earth anchor structure of a kind of section steel beam according to claim 1, is characterized in that: described anchoring assembly at least arranges three along the length direction of section steel beam (9), and the far-end of encorbelmenting at least arranges two, and the near-end of encorbelmenting at least arranges one.
3. the fixing earth anchor structure of a kind of section steel beam according to claim 1, is characterized in that: described bar pad plate hole (5.1) and strip plate hole (3.1) measure-alike.
4. the fixing earth anchor structure of a kind of section steel beam according to claim 1, is characterized in that: described vertical clamping bar (4) is fixedly connected with horizonal base plate (6) by perforation plug welding.
5. the fixing earth anchor structure of a kind of section steel beam according to claim 1, is characterized in that: described nut (1) is single nut or double nut.
6. the fixing earth anchor structure of a kind of section steel beam according to claim 1, is characterized in that: described clamping bar pillar (7) is pvc pipe.
7. according to the construction method of the fixing earth anchor structure of a kind of section steel beam described in claim 1-6 any one, it is characterized in that, construction sequence is as follows:
Step 1, determine the size of the adjustable backing plate of clamping bar (5) according to section steel beam force analysis;
Step 2, before use, opens screw thread (10) by vertical clamping bar (4) one end, by horizonal base plate (6) and vertical clamping bar (4) other end perforate welding;
Step 3, clamping bar is adjustable backing plate (5) are measure-alike with section steel beam pressure-adjustable plate (3), before use, open bar shaped sliding eye be respectively bar pad plate hole (5.1) and strip plate hole (3.1) at middle part, and nut pad is opened circular hole (2.1);
Step 4, after slab form has installed, horizonal base plate (6) and vertical clamping bar (4) weldment are positioned in template, adjust the distance between vertical clamping bar, with the width of ecad girder steel;
Step 5, the adjustable backing plate of clamping bar (5) with bar pad plate hole (5.1) is inserted in to vertical clamping bar (4);
Step 6, be inserted in clamping bar pillar (7) in vertical clamping bar (4) outside;
After step 7, concrete floor are built, section steel beam is put in the middle of two vertical clamping bars (4);
Step 8, will be inserted in vertical clamping bar (4) with the section steel beam pressure-adjustable plate 3 of strip plate hole (3.1);
Step 9, the nut pad (2) with circular hole (2.1) is inserted in respectively to vertical clamping bar (4) end of thread;
Step 10, nut (1) is screwed into the end of thread of vertical clamping bar, fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477025.0A CN104196226A (en) | 2014-09-18 | 2014-09-18 | Profiled-steel beam fixing anchor structure and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410477025.0A CN104196226A (en) | 2014-09-18 | 2014-09-18 | Profiled-steel beam fixing anchor structure and construction method thereof |
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| Publication Number | Publication Date |
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| CN104196226A true CN104196226A (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410477025.0A Pending CN104196226A (en) | 2014-09-18 | 2014-09-18 | Profiled-steel beam fixing anchor structure and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790679A (en) * | 2015-03-26 | 2015-07-22 | 中国五冶集团有限公司 | Method for operating H-shaped steel fixing rack |
| CN105696796A (en) * | 2016-02-19 | 2016-06-22 | 江苏华海钢结构有限公司 | Cantilever scaffold steel girder anchoring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1174567A1 (en) * | 2000-07-21 | 2002-01-23 | Mühlhan Surface Protection International GmbH | Method for performing works on constructions having a metallic wall |
| CN101403253A (en) * | 2008-11-17 | 2009-04-08 | 江苏省建筑工程集团有限公司 | Self-falling type anchorage of suspension cantilever beam laying end for construction |
| CN203583859U (en) * | 2013-11-29 | 2014-05-07 | 深圳市建工集团股份有限公司 | Embedded bolt anchoring device for fixing cantilever I-shaped steel in building construction |
| CN204059920U (en) * | 2014-09-18 | 2014-12-31 | 中建一局集团第二建筑有限公司 | Shaped steel roof beam fixed ground anchor structure |
-
2014
- 2014-09-18 CN CN201410477025.0A patent/CN104196226A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1174567A1 (en) * | 2000-07-21 | 2002-01-23 | Mühlhan Surface Protection International GmbH | Method for performing works on constructions having a metallic wall |
| CN101403253A (en) * | 2008-11-17 | 2009-04-08 | 江苏省建筑工程集团有限公司 | Self-falling type anchorage of suspension cantilever beam laying end for construction |
| CN203583859U (en) * | 2013-11-29 | 2014-05-07 | 深圳市建工集团股份有限公司 | Embedded bolt anchoring device for fixing cantilever I-shaped steel in building construction |
| CN204059920U (en) * | 2014-09-18 | 2014-12-31 | 中建一局集团第二建筑有限公司 | Shaped steel roof beam fixed ground anchor structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790679A (en) * | 2015-03-26 | 2015-07-22 | 中国五冶集团有限公司 | Method for operating H-shaped steel fixing rack |
| CN105696796A (en) * | 2016-02-19 | 2016-06-22 | 江苏华海钢结构有限公司 | Cantilever scaffold steel girder anchoring method |
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Application publication date: 20141210 |
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