CN106382019B - A kind of beam slab interim unloading-structure and method - Google Patents
A kind of beam slab interim unloading-structure and method Download PDFInfo
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- CN106382019B CN106382019B CN201611055857.9A CN201611055857A CN106382019B CN 106382019 B CN106382019 B CN 106382019B CN 201611055857 A CN201611055857 A CN 201611055857A CN 106382019 B CN106382019 B CN 106382019B
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- beam slab
- plate
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- load
- slab system
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of beam slab interim unloading-structures and method, the structure includes frame, base of frame is connect to pass through connector to the beam or plate or beam slab system and provide pulling force with the beam or plate or beam slab system by connector, realize that perhaps the bottom of the off-load frame of beam slab system is connect so that the unloading of removal is passed to upper level beam column construction with the upper level beam column construction of the beam or plate or beam slab system to the beam or plate；Pass through the setting of frame, upward pulling force is provided to beam or plate or beam slab system by frame, and the load that beam or plate or beam slab system carry is passed to the upper level beam column construction of beam or plate or beam slab system by frame, without being guaranteed in beam or plate or the setting support of beam slab system bottom, safety coefficient.
Description
Technical field
The present invention relates to building science and technology field more particularly to a kind of beam slab interim unloading-structure and methods.
Background technique
In structural engineering strengthening reconstruction project, sometimes because considering for structural strengthening, transformation etc., need to building
The components such as the beam slab of structure are reinforced or are underpined.The load on removal beam slab is reinforced or answered before underpining, is made before reinforcing or underpining
The phenomenon that material stress afterwards is coordinated, and Stress resort is reduced.
In existing construction technology, the general method supported of being done using beam slab bottom carries out off-load, but bottom support is unloaded
Lotus has the disadvantage that：
When doing bottom support, actually two layers of beam slab load is supported on next layer of beam slab simultaneously, lower layer's beam slab
Bearing capacity be generally all lacking, need to do several layers support again in lower layer's beam slab bottom at this time, or even directly support
Basis；Or lower layer's beam slab is first subjected to consolidation process, but this equally exists the unloading before consolidation process.Meanwhile bottom
The presence of support affects following all layer of normal use, if collision support also will affect the safety of off-load beam slab when use.
Therefore, because bottom support off-load technology has biggish limitation, it would be desirable to design new relief arrangement and side
Method.
Summary of the invention
In order to make up in building structure strengthening transformation, floor plate reinforcement or the deficiency for underpining preceding off-load technology guarantee beam slab
Reinforcing or underpinning construction quality and use are safe, and an object of the present disclosure is to provide a kind of interim unloading-structure of beam slab, the knot
Structure provides pulling force to beam or plate or beam slab system by frame, achievees the purpose that quick relief, uses safety coefficient height.
The second object of the present invention is to provide a kind of unloading method of contignation, this method give to beam or plate or
The specific off-load step of person's beam slab system realizes that goal of the invention method is simple and effective.
In order to achieve the above objectives, first technical solution provided by the invention：
A kind of beam slab interim unloading-structure, including frame, frame pass through connector and beam or plate or beam slab system
Connection with by connector to the beam or plate perhaps beam slab system provide pulling force realize to the beam or plate or
The off-load of beam slab system, the bottom of frame are connect to incite somebody to action with the upper level beam column construction of the beam or plate or beam slab system
The load of removal passes to upper level beam column construction, and frame at this time is a stable structural member.
Above-mentioned unloading-structure provides pulling force to beam or plate or beam slab system by frame, and will be unloaded by frame
The load removed passes to upper level beam column construction, if the upper level support construction of beam is plate, when carrying out off-load to beam, frame
Bottom is attached with plate；The upper level support construction of plate is beam slab system, when carrying out off-load to plate, the bottom of frame and beam
Plate body system is attached；The upper level support construction of beam slab system is column, when carrying out off-load to beam slab system, the bottom of frame
Portion is connect with column.
Alternatively, the top of the frame includes support portion hinged at two, the bottom of support portion is equipped with tension rib at two, draws
Knot muscle connect the jack of beam or plate or beam slab system pulling force size with for adjusting frame, under the cooperation of tension rib
Entire frame become one can bearing load space structure part.In the structure using frame as can bearing load structure
Part, frame provides pulling force to beam or plate or beam slab system and realizes off-load, simple and convenient, wherein beam slab system include beam and
Plate, usual beam are set to surrounding or the bottom of plate.
Wherein, the frame includes top shaft, and top shaft is connect with connector, and four sides are fixed in the shaft of top
Beam, four curb girders are the four edges of triangular pyramid shape, and two adjacent curb girders are herringbone structure, the bottom of a support portion and one
Bottom support bracket is fixed, that is to say, that support portion is the herringbone structure being made of two curb girders.
The bottom support bracket surface is equipped with bracket, and the bottom of curb girder and bracket are realized by bottom shaft to be fixed.
It is provided with through-hole on the bottom support bracket, the tension rib is equipped in through-hole, it is effective by the setting of tension rib
Guarantee frame as one completely can removal load space structure part.
Shaft is fixed with connector at the top of above structure, is realized connection of the top to beam or plate or beam slab system, is realized
Pulling force is provided to beam or plate or beam slab system, and by bottom shaft, entire relief arrangement is made in the setting of bottom support bracket
Lotus main body is held for one, for providing pulling force to beam or plate or beam slab system.
Tension rib is fixed by anchorage respectively by the both ends that through-hole passes through the bottom support bracket and tension rib, right
When the pulling force size that the tensioning degree i.e. frame of tension rib can be provided is adjusted, in one end of tension rib, setting is very heavy
Frame realization frame is perhaps unclamped to the tune of beam or plate or beam slab system pulling force to be tensioned by adjusting jack in top
It is whole.
Further, the connector is wirerope, and wirerope upper end fixes with off-load suspension hook, lower end and beam or plate or
Person's beam slab system is fixed.
In order to facilitate frame with beam or plate perhaps beam slab system connection in the beam or plate or beam slab system
On be fixed with off-load suspension hook, described connector one end is fixed with off-load suspension hook, and the other end is fixed with the top shaft.
Tension sensor is set on the connector or the off-load suspension hook, wherein tension sensor can be S type
Tension sensor, by the setting of tension sensor, tension sensor can display frame to beam or plate or beam slab system institute
The size of pulling force is provided, is compared with the size of off-load is needed, it, can be after when the pulling force of offer is less than the size for needing off-load
It is continuous that tension rib is tensioned by jack.
Third program provided by the invention is：
A kind of unloading method of contignation, using a kind of interim unloading-structure of beam slab.
Above-mentioned unloading method, specific step is as follows：
Step 1)：The mode of transfer force for determining the beam or plate or beam slab system that need off-load, in upper level beam column position
Determine the position line of connector；
Step 2)：Bottom support bracket is placed in upper level beam column position, installation frame and off-load suspension hook；
Step 3)：Tension rib both ends are each passed through bottom support bracket, one end is fixed with anchorage, and the other end sequentially passes through anchor
Tool, jack base, centre-hole jack and interim anchorage, interim anchorage play the role of tensioning tension rib, jack base
It is that there are installation spaces for anchorage for propping up jack, after tensioning, after anchorage installation is in place, removes interim anchorage and very heavy
Top；
Step 4) by off-load suspension hook with to off-load beam or plate or beam slab system be reliably connected, open suspension hook on
Tension sensor, tense suspension hook after zeroing；
Step 5) adjusts jack, support portion at tensioning two；
Step 6) checks tension sensor, to confirm that beam slab load structure provides beam or plate or beam slab system
Pulling force continue stretch-draw jack if pulling force is not unsatisfactory for design requirement, can be by jack oil return come removal if pulling force is excessive
Part pulling force；
After the completion of step 7) adjustment, anchorage is fastened, removes jack, such total is as space structure system to beam
Pulling force required for either plate or beam slab system provide.
The present invention has the following advantages that：
1) by the setting of frame, upward pulling force is provided to beam or plate or beam slab system by frame, and pass through frame
The load that beam or plate or beam slab system carry is passed to the upper level beam column construction of beam or plate or beam slab system by frame,
Without being guaranteed in beam or plate or the setting support of beam slab system bottom, safety coefficient.
2) pass through the setting of jack and tension rib, effectively can provide tension to frame, guarantee the stability of frame support.
3) total is simple, and method implements high reliablity.
4) pass through the setting of jack, tension rib and tension sensor, can be unloaded actively and quantitatively by calculated in advance result
Lotus can monitor off-load amount in the strengthening reconstruction project implementation process, can adjust in time when necessary.
Detailed description of the invention
Fig. 1 is overall structure side view of the present invention；
Fig. 2 is the integrally-built main view of the present invention；
Fig. 3 is overall structure of the present invention；
Fig. 4 is the enlarged diagram of part-structure of the present invention；
1. top shaft, 2. frames, 3. bottom support brackets, 4. wirerope, 5. off-load suspension hooks, 6. tension ribs, 7. jack, 8.
Interim anchorage, 9. temporary supports, 10. anchorages.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description.
A kind of beam slab interim unloading-structure, including frame, base of frame by connector and the beam or plate or
The connection of person's beam slab system is realized with providing pulling force to the beam or plate or beam slab system by connector to the beam
The either off-load of plate or beam slab system, frame be one can bearing load space structure part.Made in the structure using frame
For can bearing load structural member, frame provides pulling force to beam or plate or beam slab system and realizes off-load, simple and convenient.
Wherein, the frame includes top shaft 1, and top shaft 1 is connect with connector, and four are fixed in top shaft 1
Curb girder, four curb girders are the four edges of triangular pyramid shape, and two adjacent curb girders are herringbone structure, the bottom and bottom of curb girder
Support 3 is fixed.
3 surface of bottom support bracket is equipped with bracket, and the bottom of curb girder and bracket are realized by bottom shaft to be fixed, bracket packet
Two parallel faggings are included, bottom shaft passes through fagging and fixes with curb girder.
The tension rib of the herringbone structure for being tensioned opposition setting, drawknot are provided on the bottom support bracket 3
Muscle 6 is provided with two, by the setting of tension rib be effectively ensured frame as one completely can removal load space structure
Part, and the setting of tension rib 6 realizes tensioning to the herringbone structure of two sides, that is, to frame, ensure that the effective of power transmitting
Property.
Shaft 1 is fixed with connector at the top of above structure, as shown in Fig. 2, realizing top to beam or plate or beam slab system
Connection, realize and provide pulling force to beam or plate or beam slab system.
Through-hole is set on bottom support bracket 3, and tension rib 6 is logical by one end that through-hole passes through the bottom support bracket 3 and tension rib 6
It crosses anchorage to connect with jack 7, jack 7 further adjusts frame to beam or plate or beam for adjusting tensile force size
The pulling force of plate body system.
The connector is wirerope 4, and in beam or plate or beam slab system aperture, fixed drag hook, wirerope 4 can pass through
Drag hook is realized to be connected and fixed with beam or plate or beam slab system, after the completion of off-load, is just torn open to wirerope 4 with drag hook
It removes.
In order to facilitate frame with beam or plate perhaps beam slab system connection in the beam or plate or beam slab system
On be fixed with off-load suspension hook, described connector one end is fixed with off-load suspension hook, and the other end is fixed with the top shaft, steel wire
Rope upper end is fixed with off-load suspension hook, and lower end is fixed with beam or plate or beam slab system.
Tension sensor is set on the connector or the off-load suspension hook, wherein tension sensor can be S type
Tension sensor, by the setting of tension sensor, tension sensor can display frame to beam or plate or beam slab system institute
The size of pulling force is provided, is compared with the size of off-load is needed, it, can be after when the pulling force of offer is less than the size for needing off-load
It is continuous that tension rib 6 is tensioned by jack 7.
The application method of above-mentioned unloading-structure i.e. a kind of unloading method of contignation, specific step is as follows：
Step 1)：The mode of transfer force for determining the beam or plate or beam slab system that need off-load, in upper level beam column position
Determine that the position location of connector i.e. pulling force point, the position location generally pass through the center of beam or plate or beam slab system
Line is determined；
Step 2)：Bottom support bracket 3 is placed in upper level beam column position, installation frame and off-load suspension hook；
Step 3)：Tension rib is passed through into bottom support bracket 3, one end is fixed with anchorage 10, and the other end sequentially passes through 10 (this of anchorage
When the anchorage be relaxed state), temporary support 9, centre-hole jack 7 and interim anchorage 8, as shown in figure 4, temporary support 9 is used
In propping up jack and providing installation space for anchorage 10, temporary support 9 is that there are the hollow cylinder of opening, openings for a side
Disengaging for installing and dismounting anchorage tool；
Step 4)：By off-load suspension hook 5 with to off-load beam or plate or beam slab system be reliably connected, open suspension hook
On tension sensor, tense suspension hook after zeroing；
Step 5)：Stretch-draw jack 7 is tensioned support portion at two；
Step 6)：Tension sensor is checked, to confirm that beam slab load structure mentions beam or plate or beam slab system
The pulling force of confession continues stretch-draw jack 7 if pulling force is not unsatisfactory for design requirement, if pulling force it is excessive can by 7 oil return of jack come
Removal part pulling force；
Step 7)：After reaching design requirement, fixed anchorage 10 removes interim anchorage 8, jack 7 and temporary support 9, this
Pulling force required for sample total provides beam or plate or beam slab system as space structure system；
Step 8)：When dismounting, needs to install temporary support 9, jack 7 and interim anchorage 8, jack 7 again and push up slightly
Next removing anchorage device, jack blow slowly oil return, loosen tension rib, this structure is i.e. no longer to beam slab off-load.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of interim unloading-structure of beam slab, which is characterized in that including frame, frame by connector and beam or plate or
The connection of beam slab system to provide pulling force to the beam or plate or beam slab system by connector, realize to the beam or
The off-load of person's plate or beam slab system；
The top of the frame includes support portion hinged at two, and the bottom of support portion is equipped with tension rib, tension rib and use at two
It is connected in jack of the adjustment frame to beam or plate or beam slab system pulling force size.
2. a kind of interim unloading-structure of beam slab as described in claim 1, which is characterized in that the frame turns including top
Axis, top shaft are connect with connector, and four curb girders are fixed in the shaft of top, and four curb girders are the four edges of triangular pyramid shape,
Two adjacent curb girders are herringbone structure, and the bottom of a support portion is fixed with a bottom support bracket, and support portion is by two curb girders
The herringbone structure of composition.
3. a kind of interim unloading-structure of beam slab as claimed in claim 2, which is characterized in that the bottom support bracket surface is equipped with
Bracket, the bottom of curb girder and bracket are realized by bottom shaft and are fixed.
4. a kind of interim unloading-structure of beam slab as claimed in claim 2, which is characterized in that be provided on the bottom support bracket
Through-hole, through-hole is interior to be equipped with the tension rib.
5. a kind of interim unloading-structure of beam slab as claimed in claim 4, which is characterized in that the tension rib passes through the bottom
The both ends of portion's support and tension rib are fixed by anchorage respectively.
6. a kind of interim unloading-structure of beam slab as described in claim 1, which is characterized in that be fixed with unload on said frame
Lotus suspension hook, described connector one end are fixed with off-load suspension hook, and the other end is connect with the beam or plate or beam slab system.
7. the interim unloading-structure of a kind of beam slab as claimed in claim 6, which is characterized in that in the connector or described
Tension sensor is set on off-load suspension hook.
8. a kind of unloading method of contignation, which is characterized in that using such as a kind of beam of any of claims 1-7
The interim unloading-structure of plate.
9. unloading method as claimed in claim 8, which is characterized in that specific step is as follows：
Step 1)：The mode of transfer force for determining the beam or plate or beam slab system that need off-load is determined in upper level beam column position
The position line of connector；
Step 2)：Bottom support bracket is placed in upper level beam column position, installation frame and off-load suspension hook；
Step 3)：Tension rib is passed through into bottom support bracket, one end is fixed with anchorage, and the other end sequentially passes through anchorage, interim pedestal, wears
Core type jack and interim anchorage；
Step 4) by off-load suspension hook with to off-load beam or plate or beam slab system be reliably connected, open suspension hook on drawing
Force snesor tenses suspension hook after zeroing；
Step 5) adjusts jack, support portion at tensioning two；
Step 6) checks tension sensor, to confirm that beam slab provides beam or plate or beam slab system with interim unloading-structure
Pulling force continue stretch-draw jack if pulling force is not unsatisfactory for design requirement；
After the completion of step 7) adjustment, anchorage is fastened, removes jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055857.9A CN106382019B (en) | 2016-11-25 | 2016-11-25 | A kind of beam slab interim unloading-structure and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055857.9A CN106382019B (en) | 2016-11-25 | 2016-11-25 | A kind of beam slab interim unloading-structure and method |
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| Publication Number | Publication Date |
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| CN106382019A CN106382019A (en) | 2017-02-08 |
| CN106382019B true CN106382019B (en) | 2018-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611055857.9A Active CN106382019B (en) | 2016-11-25 | 2016-11-25 | A kind of beam slab interim unloading-structure and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738397A (en) * | 1951-12-08 | 1955-10-12 | Christiani & Nielsen Ets | Apparatus for the transportation of loads and chiefly buildings |
| CN202248941U (en) * | 2011-09-07 | 2012-05-30 | 福建二建建设集团公司 | Integral lifting, positioning and mounting device for large-scale steel members |
| CN204295412U (en) * | 2014-12-12 | 2015-04-29 | 山东永华机械有限公司 | Longmen machine tool crossbeam relief arrangement |
| CN106049896A (en) * | 2016-07-28 | 2016-10-26 | 江苏正方园建设集团有限公司 | Dismantling method for resisting impact load in high-altitude overhanging steel-structure-platform dismantling process |
| CN206189893U (en) * | 2016-11-25 | 2017-05-24 | 山东省建筑科学研究院 | Beam slab is with interim off -load structure |
-
2016
- 2016-11-25 CN CN201611055857.9A patent/CN106382019B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738397A (en) * | 1951-12-08 | 1955-10-12 | Christiani & Nielsen Ets | Apparatus for the transportation of loads and chiefly buildings |
| CN202248941U (en) * | 2011-09-07 | 2012-05-30 | 福建二建建设集团公司 | Integral lifting, positioning and mounting device for large-scale steel members |
| CN204295412U (en) * | 2014-12-12 | 2015-04-29 | 山东永华机械有限公司 | Longmen machine tool crossbeam relief arrangement |
| CN106049896A (en) * | 2016-07-28 | 2016-10-26 | 江苏正方园建设集团有限公司 | Dismantling method for resisting impact load in high-altitude overhanging steel-structure-platform dismantling process |
| CN206189893U (en) * | 2016-11-25 | 2017-05-24 | 山东省建筑科学研究院 | Beam slab is with interim off -load structure |
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| Publication number | Publication date |
|---|---|
| CN106382019A (en) | 2017-02-08 |
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Effective date of registration: 20181010 Address after: 250031 No. 29 shadowshan Road, Tianqiao District, Ji'nan, Shandong Applicant after: Building Science Inst., Shandong Prov. Applicant after: Shandong Jianke Speical Building Engineering Technology Center Applicant after: Shandong Jian Ke Architectural Design Co., Ltd. Address before: 250031 No. 29 shadowshan Road, Ji'nan, Shandong. Applicant before: Building Science Inst., Shandong Prov. |
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