CN207277607U - A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall - Google Patents
A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall Download PDFInfo
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- CN207277607U CN207277607U CN201721180357.8U CN201721180357U CN207277607U CN 207277607 U CN207277607 U CN 207277607U CN 201721180357 U CN201721180357 U CN 201721180357U CN 207277607 U CN207277607 U CN 207277607U
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Abstract
A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall, by steel column, section steel beam, Self-resetting steel cable, cast-in-place basis, packing material, crab-bolt and gap Strengthened Masonry Walls load bearing wall.Steel column, section steel beam form reinforcing assembling type steel structure frame, steel column bottom anchor is in cast-in-place basis, Self-resetting steel cable is set in shaped steel intercolumniation, upper end is anchored in steel cable anchored end, lower end is in steel cable stretching end tensioning, gap is reserved at building floor position or the cutting of Strengthened Masonry Walls load bearing wall top, the load on building floor is transferred on bracing members frame.The reinforcement means masonry load bearing wall is only subjected to its corresponding geological process in dead weight part and is enough to resist earthquake, in coming earthquake, the geological process of building roof load typical value contribution is undertaken by bracing members frame, resets bracing members frame using Self-resetting drag-line after shake.The application has the advantages that shock resistance is strong, simple structure, assembling degree are high, construction duration is short.
Description
Technical field
Civil engineering Aseismic Structure System field is the utility model is related to, more particularly to a kind of assembled steel support frame
Strengthened Masonry Walls load bearing wall.
Background technology
China's history civilization is long, and a large amount of ancient buildings and landmark are preserved, and forms huge cultural building legacy,
It is especially in the majority with the building after Ming and Qing and the Republic of China among these.Existing landmark and ancient building be in the form of masonry structure
Main, mostly two layers or so of brick wood or brick mix structure, superstructure are wood floor or concrete floor, and roof system is wood roof truss or concrete
Flat roof.Of the remote past due to building, design level is not high, and lacks and regularly maintain, more plus artificial damage
The wall of number masonry houses there are the strength of materials is low, defect, weathering, not full mortar joint the problems such as, the security of normal use and
Anti-seismic performance has been unable to meet current requirement, and urgent need is protected and reinforced.
At present, the common reinforcement means of masonry structure load bearing wall has surface layer method for strengthening（Including cement screedn, bar-mat reinforcement
Cement screedn, concrete board wall）, add buttress method for strengthening, mortar joint patching etc., but such method is mostly wet construction
Construction.Production capacity is gone as country in recent years carries forward vigorously steel, local angle steel outer packed strengthening method etc. occurs and uses steel knot
The mode of structure Strengthened Masonry Walls wall, people also successively develop some methods for using steel member Strengthened Masonry Walls load bearing wall：Steel construction
The method of Strengthened Masonry Walls wall（CN 102877656 B）, old house masonry structure transform safe refuge warehouse（CN 102936967
A）Deng.It can be seen that steel construction is passed through certain mode by the method for existing steel structure reinforcing masonry wall mainly from component aspect
With masonry it is closely coupled, work together, so as to improve the anti-seismic performance of steel construction-this community of masonry wall, but this kind of method
Often there is certain destruction to existing surface of wall, will necessarily when for landmark and ancient building with conservation value
The style and features and historical rudiment of original wall are damaged, and there is irreversibility.It is how lossless, effectively and quickly to protection
The masonry brick wall of value carries out reinforcing and seems particularly necessary.
Therefore, from the angle of protection landmark masonry structure, original thinking reinforced from component aspect, profit are abandoned
With the steel construction advantage higher than mortar, the prefabricated degree of concrete structure, from the angle of structural system, a kind of detachability is proposed
（Invertibity）, to the undamaged assembling type steel structure frame of wall support, by assembled, steel construction and historical relic's protection reinforce reason
Thought combines together, can provide a new thinking for the industrialization of existing masonry structure Preservation of cultural building relics and strengthening reconstruction.
Utility model content
Above-mentioned in order to solve the problems, such as, the utility model provides a kind of assembled steel support frame Strengthened Masonry Walls load-bearing
Wall, can either give full play to invertibity, lossless row and the validity of steel structure reinforcing masonry load-bearing wall method, and can realize steel branch
Frame structure factory process, the industrialized construction way of scene splicing are supportted, so as to provide one for existing landmark strengthening reconstruction
Kind novel fabricated reinforcement means, holds for this purpose, the utility model provides a kind of assembled steel support frame Strengthened Masonry Walls
Weight wall, including masonry load bearing wall and supporting reinforcing fitting, the supporting reinforcing fitting include steel column, section steel beam, Self-resetting steel
Drag-line and cast-in-place basis, the masonry load bearing wall includes Strengthened Masonry Walls load bearing wall and vertical direction masonry load bearing wall, described vertical
Direction masonry load bearing wall is arranged on corresponding Strengthened Masonry Walls load bearing wall end, and the steel column is connected with section steel beam forms reinforcing dress
With formula steel structure frame, the section steel beam is placed on both sides at the top of every layer of Strengthened Masonry Walls load bearing wall and is fixed on corresponding building floor
Lower section, the building floor include floorboard or roof boarding, and the section steel beam is close to logical below corresponding floorboard or roof boarding
Cross crab-bolt to connect section steel beam with corresponding floorboard or roof boarding, had the gap between the section steel beam and building floor and pass through filling
Material is filled, and the steel column is close to the both sides outside Strengthened Masonry Walls load bearing wall, and the steel column bottom anchor is in cast-in-place base
On plinth, every 2 pairs of Self-resetting steel cables are symmetrically arranged at Strengthened Masonry Walls load bearing wall both sides, symmetrically arranged two types for one group
Steel column has been arranged in pairs steel cable anchored end and steel cable stretching end towards center side, and each pair steel cable anchored end corresponds to a pair certainly
Steel cable is resetted, the Self-resetting steel cable upper end is anchored in corresponding steel cable anchored end, the Self-resetting steel cable lower end
Draw in corresponding steel cable stretching end, every group of Self-resetting steel cable upper and lower side after corresponding shaped steel intercolumniation is arranged in a crossed manner is fixed or runback
Steel cable Self-resetting steel cable middle after corresponding shaped steel intercolumniation upper and lower side is fixed in position is connected by connector and advance anxiety
Draw, the building floor position or the cutting of Strengthened Masonry Walls load bearing wall top reserve gap.
Further improved as the utility model, the steel column and section steel beam are H-shaped section or rectangle and trapezium channel section or Back Word
Tee section or the steel member of C-shaped cross section or other applicable steel member cross section types, such as light steel section.
Further improved as the utility model, the end junction of the steel column is shaped steel Column border node, adjacent type
Steel column is connected by shaped steel Column border node, and the end junction of the section steel beam is steel pier node, steel column and shaped steel beam-ends
It is connected between portion by steel pier node, shaped steel Column border node and steel pier the node connection mode is to be bolted shape
Formula, the needs and building floor height that the utility model steel column is assembled according to component, bottom and top are one section of half storey, remaining position is
One layer one section, every section has the extension being connected with girder steel, is connected between two sections by steel column node；Girder steel both ends pass through beam
Column border node is connected with steel column section of stretching out.
Further to be improved as the utility model, the gap is opened between Strengthened Masonry Walls load bearing wall and building floor, or
Strengthened Masonry Walls load bearing wall and building floor contact-segment both sides are opened in, the utility model gap can use arrangement above, using splitting
The purpose of seam is by floorboard（Roof boarding）On load be transferred on steel structure support frame.
Further being improved as the utility model, the Self-resetting steel cable is steel strand wires or marmem rope material,
Self-resetting steel cable can use the high strength steel strand of stretch-draw prestressing force, can also use marmem etc. to have self-resetting capability
Mfg. metal cord material.
The utility model provides a kind of reinforced construction method of assembled steel support frame Strengthened Masonry Walls load bearing wall, specifically applies
Work step is suddenly as follows：
1）According to design and construction requirement, in factory process steel column, section steel beam and Self-resetting steel cable；
2）On the cast-in-place basis of structure cast in situs, it is close to Strengthened Masonry Walls load bearing wall and erects steel column, wherein shaped steel column bottom
It is cast in cast-in-place basis；
3）Steel column is run through to the position perforate of corresponding building floor at the scene, by bolted connection in steel column
It is at node that levels steel column is affixed；
4）Lifting section steel beam adjusts its position, can be close to corresponding building floor, and by bolted connection
It is at steel pier node that section steel beam is affixed；
5）Section steel beam is connected with building floor using crab-bolt, and packing material is injected in the two gap；
6）Then by Self-resetting drag-line through reserving hole to steel cable anchored end, and drag-line is anchored herein；Self-resetting steel
Drag-line to steel cable stretching end or can use upper and lower ends to anchor through reserving hole, be connected in middle by connector and pre-
Tighten tensioning；
7）Structure reserves gap after installation is complete, at building floor position or the cutting of Strengthened Masonry Walls load bearing wall top.
A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall of the utility model, in coming earthquake by newly plus
Bracing members frame underpins building roof load, reduces the geological process of masonry load bearing wall, to reach consolidation effect；After shake, by certainly
Resetting steel cable makes frame support return to original state, keeps it to use function；System splicing position is connected by screw bolts,
It can realize in plant produced, on-site consolidation, shorten the live duration.The reinforcement means have shock resistance strong, simple structure,
The advantages that construction quality is high, short time limit, the seismic hardening built available for individual layer, multilayer existing masonry structure, particularly suitable for
Landmark strengthening reconstruction.
Brief description of the drawings
Fig. 1 is the facade structures schematic diagram of the utility model.
Fig. 2 is the planar structure schematic diagram of the utility model.
Fig. 3 is that the flooring of the utility model or roof load underpin organigram.
Fig. 4 is that the utility model underpins another organigram without flooring in the case of collar tie beam or roof load.
Fig. 5 is that the utility model has flooring or roof load in the case of collar tie beam to underpin another organigram.
Have in above figure：1st, Strengthened Masonry Walls load bearing wall；2nd, vertical direction masonry load bearing wall；3rd, building floor；4th, steel column；
5th, section steel beam；6th, Self-resetting steel cable；7th, cast-in-place basis；8th, packing material；9th, crab-bolt；10th, gap；41st, shaped steel Column border node；
51st, steel pier node；61st, steel cable anchored end；62nd, steel cable stretching end.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：
The utility model provides a kind of assembled steel support frame Strengthened Masonry Walls load bearing wall, can either give full play to steel construction
Invertibity, lossless row and the validity of Strengthened Masonry Walls load-bearing wall method, and can realize bracing members frame structure factory process, scene
The industrialized construction way of splicing, so as to provide a kind of novel fabricated reinforcement means for existing landmark strengthening reconstruction.
As a kind of embodiment of the utility model structure, the utility model provides a kind of assembled steel support frame and reinforces block
Body load bearing wall, including masonry load bearing wall and supporting reinforcing fitting, the supporting reinforcing fitting include steel column 4, section steel beam 5, from
Steel cable 6 and cast-in-place basic 7 is resetted, the masonry load bearing wall includes Strengthened Masonry Walls load bearing wall 1 and vertical direction masonry load bearing wall
2, the vertical direction masonry load bearing wall 2 is arranged on corresponding 1 end of Strengthened Masonry Walls load bearing wall, 5 phase of the steel column 4 and section steel beam
Company forms reinforcing assembling type steel structure frame, and the section steel beam 5 is placed on every layer of 1 top both sides of Strengthened Masonry Walls load bearing wall and consolidates
The corresponding lower section of building floor 3 is scheduled on, the building floor 3 includes floorboard or roof boarding, and the section steel beam 5 is close to corresponding building
Section steel beam 5 is connected with corresponding floorboard or roof boarding by crab-bolt 9 below panel or roof boarding, the section steel beam 5 and building
Having the gap between floor 3 and filled by packing material 8, the steel column 4 is close to the both sides outside Strengthened Masonry Walls load bearing wall 1,
On cast-in-place basic 7, every 2 pairs of Self-resetting steel cables 6 are symmetrically arranged at reinforcing for one group and build 4 bottom anchor of steel column
1 both sides of body load bearing wall, symmetrically arranged two steel columns 4 have been arranged in pairs steel cable anchored end 61 and steel cable towards center side
Stretching end 62, each pair steel cable anchored end 61 correspond to a pair of of Self-resetting steel cable 6, and 6 upper end of Self-resetting steel cable is anchored in
Corresponding steel cable anchored end 61, the 6 lower end tensioning of Self-resetting steel cable is in corresponding steel cable stretching end 62, every group of Self-resetting steel
Upper and lower side is fixed after drag-line 6 is arranged in a crossed manner between corresponding steel column 4 or Self-resetting steel cable 6 is in corresponding 4 upper and lower sides of steel column
6 middle of Self-resetting steel cable is built by connector connection and pre-tightening tensioning, 3 position of building floor or reinforcing after fixation
The cutting of 1 top of body load bearing wall reserves gap 10.
As a kind of specific embodiment of the utility model structure, the utility model provides a kind of assembling as illustrated in fig. 1 and 2
Formula bracing members frame strengthening masonry load bearing wall, including masonry load bearing wall and supporting reinforcing fitting, the supporting reinforcing fitting include
Steel column 4, section steel beam 5, Self-resetting steel cable 6 and cast-in-place basic 7, the masonry load bearing wall include 1 He of Strengthened Masonry Walls load bearing wall
Vertical direction masonry load bearing wall 2, the vertical direction masonry load bearing wall 2 is arranged on corresponding 1 end of Strengthened Masonry Walls load bearing wall, described
Steel column 4 is connected with section steel beam 5 forms reinforcing assembling type steel structure frame, and the utility model steel column 4, section steel beam 5 are H-type
Tee section or channel-section or Back Word tee section or C-shaped cross section or other applicable steel member cross section types, such as light steel
Section etc., the section steel beam 5 are placed on every layer of 1 top both sides of Strengthened Masonry Walls load bearing wall and are fixed on the corresponding lower section of building floor 3,
The building floor 3 includes floorboard or roof boarding, and the section steel beam 5, which is close to below corresponding floorboard or roof boarding, passes through anchor
Bolt 9 connects section steel beam 5 with corresponding floorboard or roof boarding, is had the gap between the section steel beam 5 and building floor 3 and passes through filling
Material 8 is filled, and the utility model packing material can be epoxies structure glue, or other organic or inorganic class materials, institute
The both sides that steel column 4 is close to outside Strengthened Masonry Walls load bearing wall 1 are stated, 4 bottom anchor of steel column is on cast-in-place basic 7, and every 2
1 both sides of Strengthened Masonry Walls load bearing wall are symmetrically arranged at for one group to Self-resetting steel cable 6, the Self-resetting steel cable 6 is steel
Twisted wire or marmem rope material, Self-resetting steel cable can use the high strength steel strand of stretch-draw prestressing force, can also use shape
Memorial alloy etc. has the mfg. metal cord material of self-resetting capability, and symmetrically arranged two steel columns 4 have been arranged in pairs towards center side
Steel cable anchored end 61 and steel cable stretching end 62, each pair steel cable anchored end 61 correspond to a pair of of Self-resetting steel cable 6, it is described from
Reset 6 upper end of steel cable and be anchored in corresponding steel cable anchored end 61, the 6 lower end tensioning of Self-resetting steel cable is in corresponding steel cable
Stretching end 62, every group of Self-resetting steel cable 6 rear upper and lower side arranged in a crossed manner between corresponding steel column 4 is fixed or Self-resetting steel cable 6
6 middle of Self-resetting steel cable is described by connector connection and pre-tightening tensioning after corresponding 4 upper and lower sides of steel column are fixed
3 position of building floor or the cutting of 1 top of Strengthened Masonry Walls load bearing wall reserve gap 10, and the end junction of the steel column 4 is type
Steel column node 41, adjacent steel column 4 are connected by shaped steel Column border node 41, and the end junction of the section steel beam 5 is section steel beam
Column border node 51, is connected between steel column 4 and 5 end of section steel beam by steel pier node 51, the shaped steel Column border node 41 and type
51 connection mode of girder steel Column border node is to be bolted form, the needs and building storey that the utility model steel column is assembled according to component
Height, bottom and top are one section of half storey, remaining position is one layer one section, and every section has an extension being connected with girder steel, two sections
Between connected by steel column node；Girder steel both ends are connected by bean column node with steel column section of stretching out.
As a kind of specific embodiment of the utility model reinforced construction method, a kind of assembled steel support frame Strengthened Masonry Walls
The reinforced construction method of load bearing wall, Specific construction step are as follows：
1）According to design and construction requirement, in factory process steel column 4, section steel beam 5 and Self-resetting steel cable 6；
2）In structure cast in situs cast-in-place basic 7, it is close to Strengthened Masonry Walls load bearing wall 1 and erects steel column 4, wherein steel column 4
Bottom is cast in cast-in-place basic 7；
3）Steel column 4 is run through to the position perforate of corresponding building floor 3 at the scene, by bolted connection in shaped steel
It is at Column border node 41 that levels steel column 4 is affixed；
4）Lift section steel beam 5 and adjust its position, corresponding building floor 3, and the side being bolted can be close to
Formula is affixed by section steel beam 5 at steel pier node 51；
5）Section steel beam 5 is connected with building floor 3 using crab-bolt 9, and packing material 8 is injected in the two gap, filling
Material 8 can be epoxies structure glue, or other organic or inorganic class materials；
6）Then by Self-resetting drag-line 6 through reserving hole to steel cable anchored end 61, and drag-line is anchored herein；Self-resetting
Steel cable 6 to steel cable stretching end 62 or can use upper and lower ends to anchor through reserving hole, be connected in middle by connector
Connect simultaneously pre-tightening tensioning；
7）Structure reserves gap 10 after installation is complete, at 3 position of building floor or the cutting of 1 top of Strengthened Masonry Walls load bearing wall,
As shown in Figures 3 and 5, the gap 10 is opened between Strengthened Masonry Walls load bearing wall 1 and building floor 3, if 3 bottom of the building floor
Have collar tie beam, the collar tie beam is connected by crab-bolt 9 with section steel beam 5, if collar tie beam is arranged at building floor bottom section steel beam can by with
Upper type is fixed, as shown in figure 4, the gap 10 is opened in Strengthened Masonry Walls load bearing wall 1 and 3 contact-segment both sides of building floor,
The utility model gap can use arrangement above, and the load on corresponding building floor 3 is transferred on steel structure support frame.
The utility model cardinal principle is as follows：Flooring and roofing vertical load are underpined using steel structure support frame, will
The building roof load that originally wall undertakes, changes and is born by bracing members frame, and wall is subjected only to its dead weight.When coming earthquake, wall
Body its representative value of gravity load compared to before significantly reduces, therefore its geological process born also accordingly reduces, it is no longer necessary to adopts
Other reinforcement measures are taken, and bracing members frame is enough to bear the geological process under new gravity laod representative；After the earthquake,
Due to the presence of Self-resetting steel cable, structure has the ability of the higher original position of recovery, and the deformation of steel structure frame is able to
Recover.Self-resetting drag-line provides rigidity in small shake, and part is provided when shaking greatly and is damped, reset capability is provided after shake.At the same time,
Most of splicing node is connected by screw bolts, and frame support structure is provided with the characteristic of precast assembly.
The above descriptions are merely preferred embodiments of the present invention, is not to make any other to the utility model
The limitation of form, and any modification made according to the technical essence of the utility model or equivalent variations, it is new to still fall within this practicality
Type scope claimed.
Claims (4)
1. a kind of assembled steel support frame Strengthened Masonry Walls load bearing wall, including masonry load bearing wall and supporting reinforcing fitting, its feature
It is：The supporting reinforcing fitting includes steel column（4）, section steel beam（5）, Self-resetting steel cable（6）With cast-in-place basis（7）, institute
Stating masonry load bearing wall includes Strengthened Masonry Walls load bearing wall（1）With vertical direction masonry load bearing wall（2）, the vertical direction masonry load-bearing
Wall（2）It is arranged on corresponding Strengthened Masonry Walls load bearing wall（1）End, the steel column（4）And section steel beam（5）It is connected and forms reinforcing dress
With formula steel structure frame, the section steel beam（5）It is placed on every layer of Strengthened Masonry Walls load bearing wall（1）Top both sides are simultaneously fixed on corresponding build
Build floor（3）Lower section, the building floor（3）Including floorboard or roof boarding, the section steel beam（5）It is close to corresponding floorboard
Or pass through crab-bolt below roof boarding（9）By section steel beam（5）Connected with corresponding floorboard or roof boarding, the section steel beam（5）With building
Build floor（3）Between gap pass through packing material（8）Filling, the steel column（4）It is close to Strengthened Masonry Walls load bearing wall（1）Outside
The both sides in portion, the steel column（4）Bottom anchor is in cast-in-place basis（7）On, every 2 pairs of Self-resetting steel cables（6）For one group of difference
It is symmetricly set on Strengthened Masonry Walls load bearing wall（1）Both sides, symmetrically arranged two steel columns（4）Steel has been arranged in pairs towards center side
Guy anchor fixed end（61）With steel cable stretching end（62）, each pair steel cable anchored end（61）Corresponding a pair of Self-resetting steel cable（6）,
The Self-resetting steel cable（6）Upper end is anchored in corresponding steel cable anchored end（61）, the Self-resetting steel cable（6）Lower end tensioning
In corresponding steel cable stretching end（62）, every group of Self-resetting steel cable（6）In corresponding steel column（4）Between it is arranged in a crossed manner after upper and lower side consolidate
Fixed or Self-resetting steel cable（6）In corresponding steel column（4）Between upper and lower side fix after Self-resetting steel cable（6）Middle passes through connection
Part connection and pre-tightening tensioning, the building floor（3）Position or Strengthened Masonry Walls load bearing wall（1）Top cutting reserves gap
（10）.
A kind of 2. assembled steel support frame Strengthened Masonry Walls load bearing wall according to claim 1, it is characterised in that：The type
Steel column（4）And section steel beam（5）For H-shaped section or rectangle and trapezium channel section or Back Word tee section or the steel member of C-shaped cross section.
A kind of 3. assembled steel support frame Strengthened Masonry Walls load bearing wall according to claim 1, it is characterised in that：The type
Steel column（4）End junction be shaped steel Column border node（41）, adjacent steel column（4）Pass through shaped steel Column border node（41）It is connected, institute
State section steel beam（5）End junction be steel pier node（51）, the steel column（4）With section steel beam（5）Lead between end
Cross steel pier node（51）It is connected, the shaped steel Column border node（41）With steel pier node（51）Connection mode is that bolt connects
Connect form.
A kind of 4. assembled steel support frame Strengthened Masonry Walls load bearing wall according to claim 1, it is characterised in that：The seam
Gap（10）It is opened in Strengthened Masonry Walls load bearing wall（1）With building floor（3）Between or be opened in Strengthened Masonry Walls load bearing wall（1）With building floor
（3）Contact-segment both sides.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721180357.8U CN207277607U (en) | 2017-09-15 | 2017-09-15 | A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721180357.8U CN207277607U (en) | 2017-09-15 | 2017-09-15 | A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460972A (en) * | 2017-09-15 | 2017-12-12 | 江苏省建筑科学研究院有限公司 | A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall and reinforced construction method |
| CN110924548A (en) * | 2019-11-19 | 2020-03-27 | 河北农业大学 | Prestressed stay cable space steel frame structure damping system and prestressed stay cable design method thereof |
-
2017
- 2017-09-15 CN CN201721180357.8U patent/CN207277607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107460972A (en) * | 2017-09-15 | 2017-12-12 | 江苏省建筑科学研究院有限公司 | A kind of assembled steel support frame Strengthened Masonry Walls load bearing wall and reinforced construction method |
| CN110924548A (en) * | 2019-11-19 | 2020-03-27 | 河北农业大学 | Prestressed stay cable space steel frame structure damping system and prestressed stay cable design method thereof |
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