CN203200924U - End-anchored composite beam structure - Google Patents
End-anchored composite beam structure Download PDFInfo
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- CN203200924U CN203200924U CN 201320189420 CN201320189420U CN203200924U CN 203200924 U CN203200924 U CN 203200924U CN 201320189420 CN201320189420 CN 201320189420 CN 201320189420 U CN201320189420 U CN 201320189420U CN 203200924 U CN203200924 U CN 203200924U
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Abstract
The utility model relates to an end-anchored composite beam structure and a corresponding strengthening construction method, and belongs to the field of seismic strengthening. The end-anchored composite beam structure comprises an original structure beam, a special-shaped H steel beam, a steel plate and a beam penetrating anchor rod, wherein the special-shaped H steel beam is arranged at the bottom of the original structure beam; an end web plate of the special-shaped H steel beam is connected with an inner anchor plate on the inner side of an original structure post through a connecting web plate; the outer side of the original structure post is provided with an outer anchor plate corresponding to the inner anchor plate; a bottom flange of the special-shaped H steel beam is arranged on the transverse limb of angle steel; the outer anchor plate, the original structure post, the inner anchor plate and the vertical limb of the angle steel are connected together in sequence through anchor bolts; the upper side of the end of the original structure beam is provided with the steel plate; and the beam penetrating anchor rod penetrates through and is fixedly connected with the steel plate, the original structure beam, the bottom flange of the special-shaped H steel beam and the transverse limb of the angle steel in sequence from top to bottom. According to the end-anchored composite beam structure, the underground space is saved, the efficiency is improved, and the problem of connection between a newly added composite beam structure and an original structure can be well solved.
Description
Technical field
The utility model relates to a kind of end anchorage combined beam structure, is particularly suitable for reinforcing underground garage, belongs to the seismic hardening field.
Background technology
Along with socioeconomic fast development, metropolis parking difficulty problem is increasingly sharpened.Especially the metropolis as Beijing, the parking pressure of its inner city is very outstanding.For alleviating this contradiction, in the transformation of the existing buildings such as old city or old residential quarter, the reality needs of underground garage have been proposed to build.Underground garage bearing capacity after how guaranteeing to reinforce and bonding strength problem then are problem demanding prompt solutions in the engineering circles nowadays.
The utility model content
The purpose of this utility model is to overcome the deficiency of conventional method, and the problem for running in the engineering practice that solves better old house underground space seismic hardening comprehensive reformation provides a kind of end anchorage combined beam structure.It does not satisfy the code requirement position at underground garage structure behind Seismic, newly-increased combined beam structure is reinforced, and by increasing the angle steel anchor measure at the beam column binding site, new and old structure is better combined, and makes it the acting in conjunction load-bearing.Simultaneously, adopt anchor pole or high-strength bolt etc. that the angle steel steel part is connected with old reliable in structure, box out at the leg of angle jewel hole, for follow-up pipe engineering is done preposition work, saved the underground space, improved efficient.
To achieve these goals, the utility model has been taked following technical scheme:
A kind of end anchorage combined beam structure, comprise original structure beam, special-shaped H girder steel, billet, wear the beam anchor pole, described special-shaped H girder steel is arranged on original structure beam bottom, its top flange is close to the original structure soffit, the end web of described special-shaped H girder steel connects web by one and is connected with the interior anchor slab of original structure post inboard, described original structure post arranged outside has the outer anchor slab corresponding with interior anchor slab, special-shaped H girder steel bottom flange is placed on the horizontal limb of angle steel, and the perpendicular limb of outer anchor slab, original structure post, interior anchor slab and angle steel is connected in turn by crab-bolt; Described original structure beam end upside is provided with billet, and the described beam anchor pole of wearing passes successively billet, original structure beam, special-shaped H girder steel bottom flange and the horizontal limb of angle steel from top to bottom and is connected and fixed; Described special-shaped H girder steel be connected the web bolt.
Further, the web of described special-shaped H girder steel and top flange steel plate width are 300m, and thickness is 16mm, and the bottom flange steel plate width is 500mm, and thickness is 20mm.
Further, be perfused with structure glue in all borings of described original structure beam, original structure post.
Further, described crab-bolt is the M20 high-strength bolt, and described special-shaped H girder steel be connected web and connect by the M20 high-strength bolt.
Further, described special-shaped H girder steel is the special-shaped H girder steel of prefabrication; Described outer anchor slab, interior anchor slab, angle steel and billet are the pre-manufactured steel member, and material is all Q235B.
Further, the described diameter of wearing the beam anchor pole is 20mm.
Further, be welded with the vertical floor of putting more energy on the described angle steel.
Further, described angle steel and interior anchor slab welding.
Further, described outer anchor slab is of a size of 600 * 500 * 16mm, and described interior anchor slab is of a size of 600 * 550 * 16mm; Boring aperture is Φ 24mm on the described original structure post.
The reinforced construction method of above-mentioned end anchorage combined beam structure comprises the steps:
Step 1: at location, position to be reinforced unwrapping wire, on the original structure post, accurately throw in the outer anchor slab of pre-buried processing and the position of interior anchor slab according to design attitude;
Near step 2: use the reinforcing bar probe design position, hole, to find out slit between reinforcing bar to avoid structure master's muscle of original structure post, artificial hole of boring Φ 24mm on the original structure post;
Step 3: according to position, hole pre-drilled on the original structure post, the outside good corresponding Kong Weihou boring of anchor slab and interior anchor slab subscript, the aperture also is Φ 24mm, the bar planting structure glue is put into the boring of original structure post, and implantation M20 high-strength bolt, then outer anchor slab and interior anchor slab are put into after to good hole, and tight with the nut anchor;
Step 4: flatten original structure to be reinforced soffit, guarantee that the beneath reinforcing bar of original structure beam covers concrete thickness outward and is no less than 15mm;
Step 5: special-shaped H girder steel is installed:
The anchor slab connection web of burn-oning in both sides at first, then penetrate wire rope at the reservation anchor hole place that be used for arranging of end, special-shaped H girder steel bottom flange worn the beam anchor pole, hold whole special-shaped H girder steel in special-shaped H girder steel lower end with wire rope, and lay jack on original structure beam top, special-shaped H girder steel slowly is fit into the position, after entering the position special-shaped H girder steel is connected and fixed wearing the M20 high-strength bolt with double nut with being connected web, removes wire rope;
Step 6: weld the floor of putting more energy at angle steel, and angle steel is installed in special-shaped H girder steel end below, simultaneously the perpendicular limb of angle steel is connected with M20 high-strength bolt in the original structure post, then at original structure beam end end face billet is set, behind the alignment preformed hole position, M20 is installed wears the beam anchor pole, billet, original structure beam, special-shaped H girder steel bottom flange and the horizontal limb of angle steel are linked together, in original structure beam hole, pour into structure glue, will wear the beam anchor pole with torque spanner after cured and tighten fixing with nut up and down;
Step 7: after installing, each steel member is carried out antirust, fire prevention processing.
Wherein:
In the described step 1, after reinforcing the beam column location positioning, the on-the-spot actual measurement of palpus space is high, wide, guarantees that new increasing steel beam size can be realistic, the boring accurate positioning.
Described step 2 is to step 6, and strength grade of concrete is not less than C30, and the shaped steel material is Q235B.
Described step 2 is to step 6, and the preformed hole position should be as the criterion with actual measurement on each steel member, and slotted hole generally than bolt or the large 3～4mm of bolt diameter, should be adopted in the aperture.Selecting of bar planting structure glue should meet correlation technique rules and design specifications requirement.
Described step 2 should use special-purpose drawing detector that crab-bolt is detected to step 6 after structure glue is solidified fully.
In the described step 5, determine special-shaped H girder steel cutting length according to the actual clear span of design size and hole, necessary pre-estimation is accurate before the blanking, reserves the size of interior anchor slab and weld seam.
Beneficial effect: the utility model proposes with special-shaped H combined girder steel and reinforce the original structure beam, increase the angle steel rest and wear the beam anchor pole in beam end both beam column junction, improve the bearing capacity of combined beam structure, and used girder steel section form is flexible, can guarantee that the space clear height satisfies related request, and can reduce engineering quantity, save investment.Simultaneously, adopt said method of the present utility model to reinforce underground garage beam column energy conserve space, anti-seismic performance is good, and cost is cheaper.
Description of drawings
Fig. 1 is the utility model end anchorage combined beam structure scheme of installation;
Fig. 2 A-A sectional drawing;
Fig. 3 anchor slab and special-shaped H girder steel connection diagram.
Among the figure, 1-original structure beam; 2-original structure post; The special-shaped H girder steel of 3-; The outer anchor slab of 4-; Anchor slab in the 5-; 6-connects web; The 7-angle steel; The 8-billet; 9-wears the beam anchor pole; The 10-floor of putting more energy into.
The specific embodiment
Such as Fig. 1～shown in Figure 3, the specific embodiment of the present utility model is as follows:
A kind of end anchorage combined beam structure, comprise original structure beam 1, special-shaped H girder steel 3, billet 8, wear beam anchor pole 9, special-shaped H girder steel 3 is arranged on original structure beam 1 bottom, its top flange is close to original structure beam 1 bottom surface, the end web of special-shaped H girder steel 3 connects web 6 by one and is connected with the interior anchor slab 5 of original structure post 2 inboards, original structure post 2 arranged outside have the outer anchor slab 4 corresponding with interior anchor slab 5, special-shaped H girder steel 3 bottom flanges are placed on the horizontal limb of angle steel 7, and outer anchor slab 4, original structure post 2, interior anchor slab 5 and angle steel 7 perpendicular limbs are connected in turn by crab-bolt; Original structure beam 1 end upside is provided with billet 8, wears beam anchor pole 9 and passes successively billet 8, original structure beam 1, special-shaped H girder steel 3 bottom flanges and angle steel 7 horizontal limbs from top to bottom and be connected and fixed; Special-shaped H girder steel 3 be connected web 6 bolts.Wherein, web and the top flange steel plate width of special-shaped H girder steel 3 are 300m, thickness is 16mm, the bottom flange steel plate width is 500mm, thickness is 20mm, be perfused with structure glue in all borings of original structure beam 1, original structure post 2, crab-bolt adopts the M20 high-strength bolt, and special-shaped H girder steel 3 with is connected web 6 and passes through the connection of M20 high-strength bolt; Special-shaped H girder steel 3 is the special-shaped H girder steel 3 of prefabrication, and outer anchor slab 4, interior anchor slab 5, angle steel 7 and billet 8 are the pre-manufactured steel member, and material is all Q235B, the diameter of wearing beam anchor pole 9 is 20mm, outer anchor slab 4 is of a size of 600 * 500 * 16mm, and interior anchor slab 5 is of a size of 600 * 550 * 16mm, and boring aperture is Φ 24mm on the original structure post 2, be welded with the vertical floor 10 of putting more energy on the angle steel 7, and angle steel 7 and interior anchor slab 5 welding.
The reinforced construction method of above-mentioned end anchorage combined beam structure specifically comprises the steps:
Step 1: according to designing requirement and hide original structure beam 1 and the principle of original structure post 2 interior reinforcing bars, at location, position to be reinforced unwrapping wire, accurately throw in the outer anchor slab 4 of pre-buried processing and the position of interior anchor slab 5 according to design attitude;
Step 2: use the reinforcing bar probe near design position, hole, to find out suitable slit between reinforcing bar avoiding structure master muscle, artificial Φ 24 holes of boring on original structure post 2, aperture, back gauge, center to center distance etc. all should meet design requirement, and error is in allowed band;
Step 3: according to position, hole pre-drilled on the original structure post 2, the outside good corresponding Kong Weihou boring of anchor slab 4 and interior anchor slab 5 subscripts, the aperture is Φ 24, the bar planting structure glue is put into original structure post 2 endoporus, implant the M20 high-strength bolt, then outer anchor slab 4 and 5 pairs of good holes of interior anchor slab are put into, and tight with the nut anchor;
Step 4: flatten original structure beam to be reinforced 1 bottom surface, guarantee that original structure beam 1 beneath reinforcing bar covers concrete thickness outward and is no less than 15mm.
Step 5: special-shaped H girder steel 3 is installed: anchor slab 5 web 6 of burn-oning in both sides at first, should guarantee accurate positioning and vertical full weld, then the reservation anchor hole of wearing beam anchor pole 9 in end, special-shaped H girder steel 3 bottom flange penetrates wire rope, hold special-shaped H girder steel 3 in special-shaped H girder steel 3 lower ends with wire rope, and lay jack on original structure beam 1 top, and special-shaped H girder steel 3 slowly is fit into the position, enter behind the position with double nut wearing on the M20 high-strength bolt anchor, tighten with web 6 and fix, remove wire rope;
Step 6: according to design attitude after floor 10 is put more energy in angle steel 7 welding, angle steel 7 is installed in below, girder steel 3 ends, simultaneously the perpendicular limbs of angle steel 7 are connected with M20 high-strength bolt in the original structure post 2, then at original structure beam 1 end end face billet 8 is set, behind the alignment preformed hole position, M20 is installed wears beam anchor pole 9, billet 8, original structure beam 1, special-shaped H girder steel 3 bottom flanges and angle steel 7 horizontal limbs are linked together, in original structure beam 1 hole, pour into structure glue.Nut is tightened fixing about inciting somebody to action with torque spanner after cured.
Step 7: after installing, each steel member is carried out antirust, fire prevention processing.
More than be an exemplary embodiments of the present utility model, enforcement of the present utility model is not limited to this.
Claims (9)
1. end anchorage combined beam structure, comprise original structure beam (1), special-shaped H girder steel (3), billet (8), wear beam anchor pole (9), it is characterized in that: described special-shaped H girder steel (3) is arranged on original structure beam (1) bottom, its top flange is close to original structure beam (1) bottom surface, the end web of described special-shaped H girder steel (3) connects web (6) by one and is connected with the interior anchor slab (5) of original structure post (2) inboard, described original structure post (2) arranged outside has the outer anchor slab (4) corresponding with interior anchor slab (5), special-shaped H girder steel (3) bottom flange is placed on the horizontal limb of angle steel (7) outer anchor slab (4), original structure post (2), the perpendicular limb of interior anchor slab (5) and angle steel (7) is connected in turn by crab-bolt; Described original structure beam (1) end upside is provided with billet (8), and the described beam anchor pole (9) of wearing passes successively billet (8), original structure beam (1), special-shaped H girder steel (3) bottom flange and the horizontal limb of angle steel (7) from top to bottom and is connected and fixed; Described special-shaped H girder steel (3) be connected web (6) bolt.
2. end anchorage combined beam structure according to claim 1, it is characterized in that: the web of described special-shaped H girder steel (3) and top flange steel plate width are 300m, and thickness is 16mm, and the bottom flange steel plate width is 500mm, and thickness is 20mm.
3. end anchorage combined beam structure according to claim 1 is characterized in that: be perfused with structure glue in all borings of described original structure beam (1), original structure post (2).
4. end anchorage combined beam structure according to claim 1, it is characterized in that: described crab-bolt is the M20 high-strength bolt, and described special-shaped H girder steel (3) be connected web (6) and connect by the M20 high-strength bolt.
5. end anchorage combined beam structure according to claim 1 is characterized in that: described special-shaped H girder steel (3) is the special-shaped H girder steel (3) of prefabrication; Described outer anchor slab (4), interior anchor slab (5), angle steel (7) and billet (8) are the pre-manufactured steel member, and material is all Q235B.
6. end anchorage combined beam structure according to claim 1, it is characterized in that: the described diameter of wearing beam anchor pole (9) is 20mm.
7. end anchorage combined beam structure according to claim 1 is characterized in that: be welded with the vertical floor of putting more energy into (10) on the described angle steel (7).
8. end anchorage combined beam structure according to claim 1 is characterized in that: described angle steel (7) and interior anchor slab (5) welding.
9. end anchorage combined beam structure according to claim 1, it is characterized in that: described outer anchor slab (4) is of a size of 600 * 500 * 16mm, and described interior anchor slab (5) is of a size of 600 * 550 * 16mm; The upper boring aperture of described original structure post (2) is Φ 24mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189420 CN203200924U (en) | 2013-04-10 | 2013-04-10 | End-anchored composite beam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189420 CN203200924U (en) | 2013-04-10 | 2013-04-10 | End-anchored composite beam structure |
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| CN203200924U true CN203200924U (en) | 2013-09-18 |
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| CN 201320189420 Expired - Fee Related CN203200924U (en) | 2013-04-10 | 2013-04-10 | End-anchored composite beam structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243815A (en) * | 2013-04-10 | 2013-08-14 | 北京筑福国际工程技术有限责任公司 | End-anchored composite beam structure and corresponding reinforcing construction method |
| CN103758358A (en) * | 2014-01-06 | 2014-04-30 | 北京筑福国际工程技术有限责任公司 | Steel plate angle iron combined constructional column and anchor adhering steel plate brickwork reinforcing structure and construction method |
-
2013
- 2013-04-10 CN CN 201320189420 patent/CN203200924U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103243815A (en) * | 2013-04-10 | 2013-08-14 | 北京筑福国际工程技术有限责任公司 | End-anchored composite beam structure and corresponding reinforcing construction method |
| CN103243815B (en) * | 2013-04-10 | 2015-07-01 | 北京筑福国际工程技术有限责任公司 | End-anchored composite beam structure and corresponding reinforcing construction method |
| CN103758358A (en) * | 2014-01-06 | 2014-04-30 | 北京筑福国际工程技术有限责任公司 | Steel plate angle iron combined constructional column and anchor adhering steel plate brickwork reinforcing structure and construction method |
| CN103758358B (en) * | 2014-01-06 | 2016-05-04 | 北京筑福国际工程技术有限责任公司 | Steel plate angle steel composite construction post and sticky anchor steel plate reinforced masonry wall structure and construction method |
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Addressee: Beijing Zhufu Construction Engineering Co., Ltd. Document name: Notification to Pay the Fees |
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| CF01 | Termination of patent right due to non-payment of annual fee |