CN105781142B - The ruggedized construction and reinforcement means of post are taken out for building structure top layer - Google Patents
The ruggedized construction and reinforcement means of post are taken out for building structure top layer Download PDFInfo
- Publication number
- CN105781142B CN105781142B CN201610268301.1A CN201610268301A CN105781142B CN 105781142 B CN105781142 B CN 105781142B CN 201610268301 A CN201610268301 A CN 201610268301A CN 105781142 B CN105781142 B CN 105781142B
- Authority
- CN
- China
- Prior art keywords
- newly
- post
- beam body
- transform beams
- suspension rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The present invention is a kind of ruggedized construction and reinforcement means that post is taken out for building structure top layer.The ruggedized construction of post is taken out for building structure top layer, intend taking out the first adjacent cylinder and second that retains of post both sides including intending taking out post, symmetrical be laid in and adjacent retain cylinder, be erected on the reservation beam body and roof boarding of intending taking out post and adjacent reservation cylinder top, retaining beam body top along beam body is retained longitudinally provided with newly-built transform beams, retaining and connected between beam body and newly-built transform beams by chemically-planted steel bar；Roof boarding, newly-built transform beams and reservation beam body are attached fixation by bindiny mechanism；Newly-built transform beams top is set to reaction beam, and the bottom of reaction beam is equidistantly laid with multiple jack along the longitudinal direction of reaction beam.With easy construction, quantities is small, saves the engineering time, and the normal service condition influence on building is small, while calculate easy, the advantages of stress performance is good.
Description
Technical field
The present invention relates to the reinforcing underpinning technique field of building structure, and in particular to takes out adding for post for building structure top layer
Fixing structure.Moreover, it relates to which a kind of building structure top layer takes out the reinforcement means of post.
Background technology
During some architectural designs and use, often there is a situation where that some can not meet space and use, need
Some cylinders are extracted, to meet using the need for space.But when carrying out demolishing columns, the balance of architectural structure system
State is destroyed, and one is to show that the beam body being supported on cylinder loses across footpath after cylinder support and increased, structure tension performance
There is new change so that beam body amount of deflection, crack, bearing capacity etc. are unsatisfactory for design requirement；Two be that after cylinder is extracted, will necessarily lead
Some adjacent supporting members are caused to produce different degrees of load increase, so that these supporting members can not meet bearing capacity
It is required that.At present, the strengthening reconstruction mode for beam body is typically underpined using twin beams, i.e., a reinforcing bar is respectively set in frame column both sides and is mixed
Solidifying Tu Liang, or increase beam body Cross Section Method, that is, the rise-span ratio mode for increasing original beam body is reinforced；It is adjacent at post for taking out
Reinforcement means then uses the modes such as increasing section, affixing steel plate to be reinforced to meet when supporting member is unsatisfactory for requirement for bearing capacity
The need for bearing capacity.But the work progress of these modification measures is largely carried out indoors, for smoking the following floor of post layer
It is normal to also need to carry out reinforcement solutions to relative cylinder basis if necessary using large effect is all produced, with construction it is complicated,
The shortcomings of quantities is big, difficulty of construction is high.
For the shortcoming of current demolishing columns mode, and in view of the specific position of architectural top, takes out post in progress and changes
It can especially consider when making, be badly in need of a kind of suitable architectural top of invention and take out at post, do not influence to take out normal the making of the following floor of post layer
With, construction it is simple, need not be to the reconstruction structure mode of ground foundation strengthening.
The content of the invention
The present invention provides a kind of ruggedized construction and reinforcement means that post is taken out for building structure top layer, and existing with solution is built
The work progress of building structure modification measures is largely carried out indoors, for take out the following floor of post layer it is normal using all produce compared with
Big influence, also needs to carry out reinforcement solutions to relative cylinder basis if necessary, with construction is complicated, quantities is big, construction is difficult
Spend high problem.
To achieve these goals, concrete technical scheme of the invention：
A kind of ruggedized construction that post is taken out for building structure top layer, including intend smoking post, be symmetrically laid in and intend smoking post both sides
First it is adjacent retain cylinder and second it is adjacent retain cylinder, be erected on plan take out the reservation beam body on post and adjacent reservation cylinder top with
And roof boarding, retaining beam body top along beam body is retained longitudinally provided with newly-built transform beams, retaining between beam body and newly-built transform beams
Connected by chemically-planted steel bar；Roof boarding, newly-built transform beams and reservation beam body are attached fixation by bindiny mechanism；It is newly-built to underpin
Beam top is set to reaction beam, and the bottom of reaction beam is equidistantly laid with multiple jack along the longitudinal direction of reaction beam.
Further, newly-built transform beams use the stiffness girder steel of i-shape steel beam external wrapping concrete.
Further, the bottom wing listrium two ends of i-shape steel beam are fixed in reservation beam body by bearing and chemical bolt,
Beam body is retained by chemically-planted steel bar connection in the middle part of bottom wing listrium；The top flange plate of i-shape steel beam is evenly equipped with multiple jack, thousand
The output end on jin top is supported on reaction beam bottom；The web of i-shape steel beam connects top flange plate and bottom wing respectively provided with two ends
The ribbed stiffener of listrium.
Further, reaction beam, jack and i-shape steel beam are wrapped in concrete.
Further, the suspension rod that bindiny mechanism retains beam body both sides using being distributed in, suspension rod is vertically arranged, suspension rod bottom
Hoop is in retaining outside beam, and suspension rod top is through newly-built transform beams and roof boarding and is fixed in newly-built transform beams and roof boarding.
Further, suspension rod uses the U-shaped bar worn downwards from roof boarding；U-shaped bar is fixed in I-shaped by the first nut
On the top flange plate and/or bottom wing listrium of section steel beam, U-shaped bar is fixed on reaction beam by the second nut；Pass through U-shaped bar and thousand
Jin top applies prestressing force to i-shape steel beam.
Another concrete technical scheme of the present invention：A kind of building structure top layer takes out the reinforcement means of post, comprises the following steps：
Step one：The original roofing heat-insulating layer and waterproof layer in the range of newly-built transform beams laying are cut, exposes internal reservation beam body；Step
Two：Plant newly-built transform beams and retain the chemically-planted steel bar between beam body；Step 3：Punched on roof boarding, to wear hanging for U-shaped
Bar, and the first nut is respectively adopted and suspension rod is attached by the second nut with i-shape steel beam and reaction beam；Step 4：Pass through
Suspension rod and jack pair i-shape steel beam apply prestressing force；Step 5：The chemical bolt of i-shape steel beam is tightened, by i shaped steel
Beam is affixed with retaining beam body；Step 6：The reinforcing bar and template of newly-built transform beams, subsequent casting concrete are installed；Step 7：To building
The exposed stirrup in indoor and outdoor of building structure carries out antiseptic and rustproof processing；Step 8：After concrete reaches design strength
Extract plan and take out post；Step 9：Recover roofing heat-insulating layer and waterproof layer.
Further, newly-built transform beams are new to strengthen along intending taking out the reservation beam body longitudinal direction arranging chemical bar planting on post
Build transform beams and retain the connection between beam body.
Further, newly-built transform beams two ends are overlapped on and intend taking out the first adjacent reservation cylinder around post respectively by bearing
With second on adjacent reservation cylinder；Bearing is adjacent with first to retain cylinder and the second adjacent connection for retaining cylinder using chemical spiral shell
Bolt carries out chemically-planted steel bar, and the nut of chemical bolt is tightened after the completion of prestress application.
Further, unloaded by suspension rod, jack, i-shape steel beam and reaction beam to retaining beam body application prestressing force
Carry, intend taking out original amount of deflection for retaining beam body after post to reduce to extract, prevent floor from ftractureing.
Further, applying prestressed step to i-shape steel beam is：The suspension rod of U-shaped is installed, the second nut is fastened；Together
Jack loading is walked, the first nut is then fastened；Loose second nut, removes reaction beam and jack, blocks the second nut
The unnecessary suspension rod of the above；When blocking more than second nut unnecessary suspension rod, member-retaining portion is more than 10cm.
Further, wrapped up for exposed indoor suspension rod with the thick mortars of steel wire rendering 30mm are hung, mortar
Using high performance composite mortar.
Further, reduced in concreting process and underpin vibration of beam to newly-built, to ensure the steady of newly-built transform beams
It is qualitative, connect the upper lower flange of i-shape steel beam to reinforce newly-built transform beams as ribbed stiffener with steel plate.
Patent beneficial effect of the present invention is：
The ruggedized construction of post is taken out for building structure top layer, it is most of in outdoor assembled and casting complete, it is not necessary to room
Interior decoration extensive damage, it is small on indoor influence, while not influenceing the normal of the following floor of construction layer to use.
By setting external prestressing structure, realize load and be oriented quantitative shunting, so as to ensure that plan takes out post
Adjacent columns meet requirement for bearing capacity, while be not required to carry out reinforcement solutions to cylinder and ground again.Avoid by using adding
The substantial amounts of quantities that solid phase neighbour's load-bearing cylinder is brought.
With easy construction, quantities is small, saves the engineering time, and the normal service condition influence on building is small, counts simultaneously
Calculate easy, the advantages of stress performance is good.
Patent of the present invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the structural representation that building structure top layer takes out the ruggedized construction of post that is used for of the embodiment of the present invention；
Fig. 2 is the partial structural diagram of the newly-built transform beams of the embodiment of the present invention；
Fig. 3 applies the structural representation of prestress system for the newly-built transform beams of the embodiment of the present invention；
Fig. 4 is the structural representation of the bearing of the embodiment of the present invention；
Fig. 5 applies the partial structural diagram of prestress system for the newly-built transform beams of the embodiment of the present invention；
The structural representation that Fig. 6 is connected for the newly-built transform beams of the embodiment of the present invention with original reservation beam body chemically-planted steel bar.
Marginal data：
1st, the first adjacent reservation cylinder；2nd, intend taking out post；3rd, the second adjacent reservation cylinder；4th, beam body is retained；5th, it is newly-built to underpin
Beam；6th, suspension rod；7th, i-shape steel beam；8th, reaction beam；9th, jack；10th, bearing；11st, ribbed stiffener；12nd, chemical bolt；13rd,
One nut；14th, the second nut；15th, chemically-planted steel bar.
Embodiment
Patented technology content of the present invention is further illustrated below, but the not limit to patent substantive content of the present invention
System.
Fig. 1 is the structural representation that building structure top layer takes out the ruggedized construction of post that is used for of the embodiment of the present invention；Fig. 2 is this
The partial structural diagram of the newly-built transform beams of inventive embodiments；Fig. 3 applies for the newly-built transform beams of the embodiment of the present invention in advance should
The structural representation of power system；Fig. 4 is the structural representation of the bearing of the embodiment of the present invention；Fig. 5 is new for the embodiment of the present invention
Build the partial structural diagram that transform beams apply prestress system；Fig. 6 protects for the newly-built transform beams of the embodiment of the present invention with original
The structural representation for staying beam body chemically-planted steel bar to connect.
As depicted in figs. 1 and 2, the building structure top layer that is used for of the present embodiment takes out the ruggedized construction of post, including intend taking out post 2,
Symmetrical be laid in intends taking out the first of the both sides of post 2 and adjacent retains that cylinder 1 and second is adjacent to be retained cylinder 3, be erected on plan and take out post 2 and phase
Neighbour retains the reservation beam body 4 and roof boarding on cylinder top, and newly-built support is provided with retaining the longitudinal direction of the top of beam body 4 edge reservation beam body 4
Beam 5 is changed, retains and is connected between beam body 4 and newly-built transform beams 5 by chemically-planted steel bar 15；Roof boarding, newly-built transform beams 5 and reservation beam
Body 4 is attached fixation by bindiny mechanism；The newly-built top of transform beams 5 is set to reaction beam 8, and the bottom of reaction beam 8 is along counter-force
The longitudinal direction of beam 8 is equidistantly laid with multiple jack 9.
As shown in Fig. 3,5,6, in the present embodiment, newly-built transform beams 5 use the stiffness steel of the external wrapping concrete of i-shape steel beam 7
Beam.
As shown in Fig. 3,5,6, in the present embodiment, the bottom wing listrium two ends of i-shape steel beam 7 pass through bearing 10 and chemical spiral shell
Bolt 12 is fixed in reservation beam body 4.Beam body 4 is retained by the connection of chemically-planted steel bar 15 in the middle part of bottom wing listrium.I-shape steel beam 7 it is upper
Flange plate is evenly equipped with multiple jack 9.The output end of jack 9 is supported on the bottom of reaction beam 8.On the web of i-shape steel beam 7
Connect the ribbed stiffener 11 of top flange plate and bottom wing listrium respectively provided with two ends.
As shown in Fig. 1,2,3,4,5,6, in the present embodiment, reaction beam 8, jack 9 and i-shape steel beam 7 are wrapped in mixed
In solidifying soil.
As shown in Fig. 2,3,5,6, in the present embodiment, bindiny mechanism retains the suspension rod 6 of the both sides of beam body 4 using being distributed in, and hangs
Bar 6 is vertically arranged.The bottom hoop of suspension rod 6 is in outside reservation beam.Newly-built transform beams 5 and roof boarding are run through and affixed in the top of suspension rod 6
In in newly-built transform beams 5 and roof boarding.
As shown in Fig. 2,3,5,6, in the present embodiment, suspension rod 6 is using the U-shaped bar worn downwards from roof boarding.U-shaped bar passes through
First nut 13 is fixed on the top flange plate of i-shape steel beam 7 and/or bottom wing listrium.U-shaped bar is affixed by the second nut 14
In on reaction beam 8.Prestressing force is applied to i-shape steel beam 7 by U-shaped bar and jack 9.
The building structure top layer of the present embodiment takes out the reinforcement means of post, comprises the following steps：Step one：Cut newly-built underpin
Original roofing heat-insulating layer and waterproof layer in the range of the laying of beam 5, expose internal reservation beam body 4；Step 2：Plant newly-built transform beams
Chemically-planted steel bar 15 between 5 and reservation beam body 4；Step 3：Punch, to wear the suspension rod 6 of U-shaped, and adopt respectively on roof boarding
Suspension rod 6 is attached with i-shape steel beam 7 and reaction beam 8 with the first nut 13 and the second nut 14；Step 4：Pass through suspension rod
6 and jack 9 to i-shape steel beam 7 apply prestressing force；Step 5：The chemical bolt 12 of i-shape steel beam 7 is tightened, will be I-shaped
Girder steel 7 is affixed with retaining beam body 4；Step 6：The reinforcing bar and template of newly-built transform beams 5, subsequent casting concrete are installed；Step
Seven：Antiseptic and rustproof processing is carried out to the exposed stirrup in indoor and outdoor of building structure；Step 8：Treat that concrete reaches design
Plan is extracted after intensity and takes out post 2；Step 9：Recover roofing heat-insulating layer and waterproof layer.
In the present embodiment, newly-built transform beams 5 take out the longitudinal direction arranging chemical bar planting 15 of reservation beam body 4 on post 2 along plan, with
Strengthen newly-built transform beams 5 and retain the connection between beam body 4.
In the present embodiment, the newly-built two ends of transform beams 5 are overlapped on the first adjacent guarantor intended taking out around post 2 by bearing 10 respectively
Stay cylinder 1 and second is adjacent to retain on cylinder 3.Bearing 10 is adjacent with first to retain the adjacent company for retaining cylinder 3 of cylinder 1 and second
Connect and chemically-planted steel bar 15 is carried out using chemical bolt 12, the nut of chemical bolt 12 is tightened after the completion of prestress application.
In the present embodiment, beam body 4 is retained by 8 pairs of suspension rod 6, jack 9, i-shape steel beam 7 and reaction beam and applies pre- answer
Power is unloaded, and is intended taking out original amount of deflection for retaining beam body 4 after post 2 to reduce to extract, is prevented floor from ftractureing.
In the present embodiment, applying prestressed step to i-shape steel beam 7 is：The suspension rod 6 of U-shaped is installed, the second spiral shell is fastened
Cap 14.Synchronization of jacking up jack 9 is loaded, and then fastens the first nut 13.Loose second nut 14, removes reaction beam 8 and jack
9, block the unnecessary suspension rod 6 of the second nut more than 14.When blocking the second more than 14 unnecessary suspension rod 6 of nut, member-retaining portion is more than
10cm。
In the present embodiment, wrapped up for exposed indoor suspension rod 6 with the thick mortars of steel wire rendering 30mm are hung.Sand
Slurry uses high performance composite mortar.
The vibration to newly-built transform beams 5 is reduced in the present embodiment, in concreting process, to ensure newly-built transform beams 5
Stability.Connect the upper lower flange of i-shape steel beam 7 to reinforce newly-built transform beams 5 as ribbed stiffener 11 with steel plate.
There is provided the reinforcing and processing method that a kind of new builing structure top layer takes out post during implementation, belong to building structure technology neck
A kind of domain, and in particular to house demolishing columns stiffness steel concrete beam underpinning structure, this method has been related to stiffness steel reinforced concrete and coagulated
Tu Liang, prestressing force, the suspension rod 6 of U-shaped, L-type chemically-planted steel bar etc..Strengthening concrete combination beam rigidity used of the invention is big, and stiffness is mixed
Section steel beam inside solidifying soil beam is constructed in outdoor casting complete with constituting prestressing force counter-force system by transform beams, it is not necessary to right
Interior decoration extensive damage, on indoor influence very little, is unloaded to extracting post reservation beam body by applying prestressing force, prevented
Roof structure ftractures, and destroys original waterproof layer.Prestressing force can be combined simultaneously and changes calculating, and closing on post to reservation unloads,
Avoid reinforcing the basis for retaining post.The present invention provides a kind of economical rationality, the effective new side of power transmission for building reconstruction
Method.Meet in architectural top demolishing columns, will not be on building storey below normally using influence is produced, construction is simple, is not required to
Will be to ground foundation strengthening, while meeting the structure of requirement for bearing capacity again.
Specific embodiment：(1) cut and newly add original roof heat insulation, waterproof layer in the range of reversed beam, expose original structure layer.
(2) punch to wear the suspension rod 6 of U-shaped on roof boarding, and carry out chemically-planted steel bar 15.(3) section steel beam (i-shape steel beam is arranged
7), the two ends of girder steel (i-shape steel beam 7) are supported on the capital that periphery retains post.Pass through reaction beam 8, jack 9 and section steel beam
(i-shape steel beam 7) applies prestressing force to the suspension rod 6 of U-shaped, and load on post (plan takes out post 2) is taken out with removal.(4) install new plus mixed
Solidifying Tu Liang (newly-built transform beams 5) reinforcing bar and template, subsequent casting concrete.(5) strengthening concrete beam concrete to be increased newly is (new
Build transform beams 5) intensity reaches and concrete column extracted after design load (plan takes out post 2).(6) the exposed stirrup in indoor and outdoor is entered
The antiseptic and rustproof processing of row.(7) garret waterproof is recovered.
The present invention is also resided in, and newly-built transform beams 5 use strengthening concrete beam, inside concrete shaped steel can for real abdomen shaped steel or
Lattice shaped steel.Joist is supported on using articulated manner to be closed on reservation post, and power transmission form is clear and definite, convenience of calculation.Stiffness coagulation
Section steel beam inside native beam by transform beams with constituting prestressing force counter-force system.Joist is connected, by transform beams by the suspension rod 6 of U-shaped
And reaction beam 8.Prestressing force is applied using the synchronous classification of multiple jack 9, and jack 9 is located between section steel beam and reaction beam 8.
In the manufacturing process of suspension rod 6 of U-shaped, form one section of screw thread and with two nuts, be separately fixed on reaction beam 8 and section steel beam,
During application prestressing force, release type steel beam position nut；After prestress application terminates, the nut of fixed steel beam position.Strength
Property girder steel the nut of chemical bolt 12 of the position of bearing 10 twisted before prestress application, or not treat to twist after the completion of prestress application
Tight nut, strengthens the resistance to overturning of girder steel.Prestress application is completed after the nut of suspension rod 6 of fixed U-shaped, and unnecessary screw rod is protected
Stay, to strengthen the bonding between girder steel and concrete.The anchor pole of L-type chemically-planted steel bar 15 is set along by transform beams beam length, to increase support
Change beam and by the connection between transform beams.The concrete of newly-increased stiffness steel concrete beam can be mixed using self-compacting concrete or microlith
Solidifying soil.Wrapped up for the suspension rod 6 of exposed indoor U-shaped with steel wire rendering mortar is hung, mortar can use high-performance
Composite mortar.If by calculating, periphery original beam need to carry out consolidation process, then increasing section, Covered with Angles or fiber are used to it
The methods such as cloth are handled.If by calculating, the post and its basis for supporting newly-built transform beams 5 need to carry out consolidation process, then adopt
The method changed with prestressing force, it is to avoid large-scale constructing operation destroys original decoration, reduces construction costs.
Newly-built transform beams 5 will strengthen new along the beam body longitudinal direction arranging chemical bar planting 15 for intending taking out the reservation beam body 4 on post 2
Build transform beams 5 and original connection retained between beam body 4.The newly-built two ends of transform beams 5 are overlapped on plan by bearing 10 and taken out respectively
On column structure around post 2.(the first adjacent reservation cylinder 1 and second is adjacent to be retained each bearing 10 with original concrete column
Cylinder 3) connection using chemical bolt 12 carry out chemically-planted steel bar, its nut pre-jacking force application after the completion of tighten.Pass through U-shaped
Suspension rod 6, jack 9, i-shape steel beam 7 and reaction beam 8 apply prestressing force to original reservation beam body 4 and unloaded, and can reduce
The amount of deflection of original beam body after post is taken out, prevents floor from ftractureing.Applying prestressed step to i-shape steel beam 7 is：A, U-shaped is installed
Suspension rod 6, tightly fixes the second nut 14；B, seven jack loadings of synchronization of jacking up, then fasten the first nut 13；C, pine second
Nut 14, removes reaction beam 8 and jack 9, blocks the suspension rod 6 of the unnecessary U-shaped of the second nut more than 14.Block the second nut 14 with
During the suspension rod 6 of upper unnecessary U-shaped, member-retaining portion should be greater than 10cm.For the extension steel wire of suspension rod 6 of exposed indoor U-shaped
Paint the thick mortars of 30mm to be wrapped up, mortar uses high performance composite mortar.Reduction should be tried one's best in concreting process to new
Build transform beams 5 to vibrate, to ensure its stability, connect the upper lower flange reinforcing steel beam of girder steel as ribbed stiffener 11 with steel plate.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
1. a kind of building structure top layer takes out the reinforcement means of post, using the ruggedized construction that post is taken out for building structure top layer, including
Intend taking out post (2), it is symmetrical be laid in plan take out post (2) both sides first it is adjacent retain cylinder (1) and the second adjacent reservation cylinder (3),
It is erected on plan and takes out post (2) and the adjacent reservation beam body (4) and roof boarding for retaining cylinder top, is retaining beam body (4) top edge
Retain beam body (4) and be longitudinally provided with newly-built transform beams (5), retain and pass through chemically-planted steel bar between beam body (4) and newly-built transform beams (5)
(15) connect；Roof boarding, newly-built transform beams (5) and reservation beam body (4) are attached fixation by bindiny mechanism；Newly-built transform beams
(5) top is set to reaction beam (8), and the bottom of reaction beam (8) is equidistantly laid with multiple jack along the longitudinal direction of reaction beam (8)
(9)；Newly-built transform beams (5) use the stiffness girder steel of i-shape steel beam (7) external wrapping concrete；The lower flange of i-shape steel beam (7)
Plate two ends are fixed in reservation beam body (4) by bearing (10) and chemical bolt (12), and chemically-planted steel bar is passed through in the middle part of bottom wing listrium
(15) connection retains beam body (4)；The top flange plate of i-shape steel beam (7) is evenly equipped with multiple jack (9), jack (9) it is defeated
Go out end and be supported on reaction beam (8) bottom；The web of i-shape steel beam (7) connects top flange plate and lower flange respectively provided with two ends
The ribbed stiffener (11) of plate；Bindiny mechanism retains the suspension rod (6) of beam body (4) both sides using being distributed in, and suspension rod (6) is vertically arranged,
Suspension rod (6) bottom hoop is in retaining outside beam, and suspension rod (6) top is through newly-built transform beams (5) and roof boarding and is fixed in newly-built support
Change in beam (5) and roof boarding；Suspension rod (6) is using the U-shaped bar worn downwards from roof boarding；U-shaped bar is solid by the first nut (13)
It is connected on the top flange plate of i-shape steel beam (7) and/or bottom wing listrium, U-shaped bar is fixed in reaction beam by the second nut (14)
(8) on；Prestressing force is applied to i-shape steel beam (7) by U-shaped bar and jack (9), it is characterised in that reinforcement means include with
Lower step：
Step one：The original roofing heat-insulating layer and waterproof layer in the range of newly-built transform beams (5) laying are cut, exposes internal reservation beam
Body (4)；
Step 2：Plant newly-built transform beams (5) and retain the chemically-planted steel bar (15) between beam body (4)；
Step 3：Punched on roof boarding, to wear the suspension rod (6) of U-shaped, and the first nut (13) and the second nut is respectively adopted
(14) suspension rod (6) is attached with i-shape steel beam (7) and reaction beam (8)；
Step 4：Prestressing force is applied to i-shape steel beam (7) by suspension rod (6) and jack (9)；
Step 5：The chemical bolt (12) of i-shape steel beam (7) is tightened, i-shape steel beam (7) is affixed with retaining beam body (4)；
Step 6：The reinforcing bar and template of newly-built transform beams (5), subsequent casting concrete are installed；
Step 7：Antiseptic and rustproof processing is carried out to the exposed stirrup in indoor and outdoor of building structure；
Step 8：Plan is extracted after concrete reaches design strength and takes out post (2)；
Step 9：Recover roofing heat-insulating layer and waterproof layer.
2. building structure top layer according to claim 1 takes out the reinforcement means of post, it is characterised in that newly-built transform beams (5)
Along intending taking out reservation beam body (4) longitudinal direction arranging chemical bar planting (15) on post (2), to strengthen newly-built transform beams (5) and reservation
Connection between beam body (4).
3. building structure top layer according to claim 2 takes out the reinforcement means of post, it is characterised in that pass through suspension rod (6), thousand
Jin top (9), i-shape steel beam (7) and reaction beam (8) are unloaded to retaining beam body (4) application prestressing force, are intended with reducing to extract
Original amount of deflection for retaining beam body (4) after post (2) is taken out, prevents floor from ftractureing.
4. building structure top layer according to claim 3 takes out the reinforcement means of post, it is characterised in that to i-shape steel beam
(7) applying prestressed step is：
The suspension rod (6) of U-shaped, the second nut of fastening (14) are installed；Synchronization of jacking up jack (9) is loaded, and then fastens the first nut
(13)；Loose second nut (14), removes reaction beam (8) and jack (9), blocks more than second nut (14) unnecessary suspension rod
(6)；When blocking more than second nut (14) unnecessary suspension rod (6), member-retaining portion is more than 10cm.
5. building structure top layer according to claim 4 takes out the reinforcement means of post, it is characterised in that for exposed
Indoor suspension rod (6) is wrapped up with the thick mortars of steel wire rendering 30mm are hung, and mortar uses high performance composite mortar.
6. building structure top layer according to claim 5 takes out the reinforcement means of post, it is characterised in that concreting process
Vibration of the middle reduction to newly-built transform beams (5), to ensure the stability of newly-built transform beams (5), ribbed stiffener (11) are used as with steel plate
The upper lower flange of i-shape steel beam (7) is connected to reinforce newly-built transform beams (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268301.1A CN105781142B (en) | 2016-04-26 | 2016-04-26 | The ruggedized construction and reinforcement means of post are taken out for building structure top layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268301.1A CN105781142B (en) | 2016-04-26 | 2016-04-26 | The ruggedized construction and reinforcement means of post are taken out for building structure top layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105781142A CN105781142A (en) | 2016-07-20 |
| CN105781142B true CN105781142B (en) | 2017-10-17 |
Family
ID=56398761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610268301.1A Expired - Fee Related CN105781142B (en) | 2016-04-26 | 2016-04-26 | The ruggedized construction and reinforcement means of post are taken out for building structure top layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781142B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836845B (en) * | 2017-04-12 | 2023-06-20 | 广州市胜特建筑科技开发有限公司 | Deformation control method and system for reserved structure after joist column pulling |
| CN108360838B (en) * | 2018-03-16 | 2023-07-25 | 湖南科技学院 | Steel-concrete support bracket and construction method thereof |
| CN113250484A (en) * | 2021-05-21 | 2021-08-13 | 安徽海螺建材设计研究院有限责任公司 | Concrete warehouse external truss repairing method and concrete warehouse external truss repairing structure |
| CN114809703B (en) * | 2022-05-24 | 2023-03-10 | 中建二局第三建筑工程有限公司 | Column-pulling conversion reinforcing structure and construction method thereof |
| CN114856241A (en) * | 2022-06-07 | 2022-08-05 | 北京城建十建设工程有限公司 | Construction method for conversion of load-bearing components of prefabricated slab structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1141479C (en) * | 2002-01-18 | 2004-03-10 | 崔旭中 | Method for drawing out bean and prop of workshop without stopping production |
| JP4249104B2 (en) * | 2004-08-10 | 2009-04-02 | 積水ハウス株式会社 | Beam reinforcement structure and beam reinforcement method |
| CN103015743B (en) * | 2012-12-01 | 2015-11-04 | 中国建筑第七工程局有限公司 | A kind of steel work Removing Columns construction method |
| CN203547161U (en) * | 2013-05-17 | 2014-04-16 | 西安科技大学 | Self-bearing type underpinning supporting device |
| CN205591583U (en) * | 2016-04-26 | 2016-09-21 | 中南大学 | A reinforced structure for post is taken out to building structure top layer |
-
2016
- 2016-04-26 CN CN201610268301.1A patent/CN105781142B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105781142A (en) | 2016-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105781142B (en) | The ruggedized construction and reinforcement means of post are taken out for building structure top layer | |
| CN106088337B (en) | Large cantilever steel-frame structure with pull rod and its construction method | |
| CN104975566B (en) | Apply the steel pipe support in cable-stayed bridge arch tower is constructed | |
| CN105887702B (en) | A kind of method of pre-stressed carbon fiber plate and steel concrete reinforced concrete beam | |
| CN106702910A (en) | Main girder construction process for extradosed cable-stayed bridge with double towers and double cable planes | |
| CN108035438A (en) | A kind of concrete assembled frame structure system of high-strength high ductility and connection method | |
| CN206917085U (en) | A kind of prefabricated overlapping steel framed concrete beam | |
| CN103046645B (en) | A kind of whole casting structure and construction method of Large-span Precast | |
| CN108755963A (en) | A kind of partial precast assembled steel reinforced concrete giant frame structure and construction method | |
| CN108660935A (en) | A kind of construction method of reinforced concrete arch bridge | |
| CN101538896A (en) | Construction method for jettied structure at high attitude of high-rise building | |
| CN203270457U (en) | Suspension bar anchoring structure capable of initiatively reinforcing concrete tied-arch bridge | |
| CN106758813A (en) | For the UHPC wells formula rib floorings and its construction method of steel reinforced concrete composite beam bridge | |
| CN109057148A (en) | Ultra-high performance concrete is without regular reinforcement Prestressed U type beam and its construction method | |
| CN103643634A (en) | Anchoring structure for arch spring of concrete-filled steel tube arch bridge | |
| CN108775084A (en) | Steel-concrete combines precast beam and prefabricated post connection structure and construction method | |
| CN205591583U (en) | A reinforced structure for post is taken out to building structure top layer | |
| CN205907812U (en) | Take steel frame structure that encorbelments greatly of pull rod | |
| CN206503378U (en) | Newly-increased outrigger constructing structure | |
| CN110512800A (en) | A kind of steel and concrete combined structure system and construction method | |
| CN207812307U (en) | The construction system of Cable stayed Bridge Main Tower and steel anchor beam | |
| CN101761241A (en) | Roof suspended type method for pulling out pillars | |
| CN104153463B (en) | Assembled integrated frame system and construction method thereof | |
| CN106499211A (en) | Newly-increased outrigger framework Baogang anchor traction therapy structure and technique | |
| CN102691267A (en) | High pier construction method for external whole operation platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20180426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |