CN107700668A - Retain the attachment structure and its construction method of exterior wall and newly-built steel reinforced concrete horizontal member - Google Patents
Retain the attachment structure and its construction method of exterior wall and newly-built steel reinforced concrete horizontal member Download PDFInfo
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- CN107700668A CN107700668A CN201710966607.9A CN201710966607A CN107700668A CN 107700668 A CN107700668 A CN 107700668A CN 201710966607 A CN201710966607 A CN 201710966607A CN 107700668 A CN107700668 A CN 107700668A
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- exterior wall
- inwall
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- bar
- reinforced concrete
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
-
- 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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
- Retaining Walls (AREA)
Abstract
The attachment structure and its construction method that retain exterior wall and newly-built steel reinforced concrete horizontal member of the present invention, is related to underpinning reconstructed project technical field.Method for reinforcing reservation exterior wall by extension supporting or thickening wall, takes interior construction spacing, low construction efficiency and ropy problem.Inwall is close to retain inner side of outer wall, bar frame is buried in inwall, retain and some lacing wires are set between exterior wall and inwall, the implantation of lacing wire one end retains exterior wall, there is the other end of factory pipe bend and the vertical muscle of bar frame to connect for it, and the both ends of horizontal shear reinforcing bar are implanted into respectively retains exterior wall and newly-built steel reinforced concrete horizontal member.Construction method：One end of lacing wire is connected with retaining exterior wall by bar planting mode, inwall bar frame is set up, the factory pipe bend of the lacing wire other end is sheathed on to the vertical muscle of bar frame, template is set up and pours inwall；One end of some horizontal shear reinforcing bars is connected by bar planting mode with retaining exterior wall, its other end is implanted into newly-built steel reinforced concrete horizontal member.
Description
Technical field
It is more particularly to a kind of to retain exterior wall and newly-built steel reinforced concrete horizontal member the present invention relates to underpinning reconstructed project technical field
Attachment structure and its construction method.
Background technology
With the transition in epoch, many protection buildings all there is a problem in function and secure context, because protection is built
The construction age is more early, and the intensity of protection construction wall in itself is relatively low, and wall segment weathering is serious, it is difficult to which satisfaction uses need of today
Will, therefore function is used, it is necessary to carry out transformation to protection building and could recover it, because of the limitation of historical relic's protection regulations, transformation is applied
Work is unable to the original appearance speciality of vandalism protection building, can only carry out internal structure displacement rebuilding construction under limited conditions,
Then, in the old and new's structure replacing work progress, there is connection section between the reservation exterior wall and newly-built structure of unique architectural style
The construction of point is become for the emphasis and difficult point in whole improvement project.
In conventional improvement project construction, the reinforcement form for retaining exterior wall more limits to, and essentially by extension supporting or adds
Thick wall body come meet reinforce requirement, but above-mentioned reinforcing mode largely occupy protection building interior effectively use space, and
And large-area construction is difficult to carry out, cause low construction efficiency, construction quality is poor.
The content of the invention
For the existing method that reservation exterior wall is reinforced by extension supporting or thickening wall, it is empty to take building interior
Between, low construction efficiency and ropy problem.It is an object of the invention to provide one kind to retain exterior wall and newly-built steel reinforced concrete horizontal member
Attachment structure and its construction method, the horizontal connection of the old and new's structure is realized using the method for bar planting, effectively reduce the old and new knot
Destruction of the relative settlement of structure to reservation exterior wall.
The technical solution adopted for the present invention to solve the technical problems is：Retain the company of exterior wall and newly-built steel reinforced concrete horizontal member
Binding structure, inwall are close to the reservation inner side of outer wall, buried in the inwall by the crisscross connection of horizontal bar and vertical muscle and
Into bar frame, it is described to retain the lacing wire for setting some one end to be provided with factory pipe bend between exterior wall and the inwall, it is described
One end of lacing wire is implanted into the reservation exterior wall, the vertical muscle of the other end and the bar frame with factory pipe bend of the lacing wire
Connection, some horizontal shear reinforcing bars, the horizontal shear are set between the reservation exterior wall and the newly-built steel reinforced concrete horizontal member
The both ends of reinforcing bar are implanted into the reservation exterior wall and the newly-built steel reinforced concrete horizontal member respectively.
Preferably, it is provided with to be poured by self-compacting concrete between the newly-built steel reinforced concrete horizontal member and the inwall and forms
Back-up coat.
Preferably, the horizontal bar of the bar frame one end implantation with it is described reservation exterior wall close to original structure post in.
In addition, retain exterior wall and the construction party of the attachment structure of newly-built steel reinforced concrete horizontal member present invention also offers a kind of
Method, step are as follows：
S1：Implement to reinforce to retaining inner side of outer wall, by outside one end of some lacing wires and the reservation by way of bar planting
Wall connects, and sets up the bar frame of inwall, and the factory pipe bend of the lacing wire other end is sheathed on into the bar frame
Vertical muscle, sets up template and pours the inwall；
S2：One end of some horizontal shear reinforcing bars is connected by bar planting mode with the reservation exterior wall, the level
The other end of shear reinforcement is implanted into the horizontally disposed newly-built steel reinforced concrete horizontal member.
Preferably, the step S2 also includes, and the gap between the newly-built steel reinforced concrete horizontal member and the inwall is adopted
Poured with self-compacting concrete and form back-up coat.
Preferably, in the step S1, one end of the horizontal bar of the bar frame is connected to former knot by way of bar planting
The side of structure post.
Preferably, the inwall is poured using self-compacting concrete and formed.
Effect of the invention is that：
First, the attachment structure for retaining exterior wall and newly-built steel reinforced concrete horizontal member of the invention, retain exterior wall and pass through some implantation
Lacing wire and inwall bar frame connect, compared to extension supporting or thicken wall reinforcing mode, the elbow of lacing wire with it is interior
The bar frame connection of chemise, enhances inwall and retains the draw knot force of exterior wall, improve the resistance to overturning for retaining exterior wall,
Moreover, by the way of implantation lacing wire is connected with inwall bar frame, the thickness of inwall is effectively controlled, avoids reservation outer
The ruggedized construction of wall takes the use space of interior too much；Retain and pass through implantation between exterior wall and newly-built steel reinforced concrete horizontal member
Some horizontal shear bar connectings, horizontal shear reinforcing bar is through retaining exterior wall, inwall and newly-built steel reinforced concrete horizontal member and by three
Person connects as one, and effectively reduces destruction of the relative settlement of the old and new's structure to reservation exterior wall.
2nd, the construction method of the attachment structure for retaining exterior wall and newly-built steel reinforced concrete horizontal member of the invention, first, to protection
The reservation exterior wall of building is reinforced, and some lacing wires are connected simultaneously pre-made elbow by way of bar planting with retaining exterior wall, lacing wire
The bar frame of factory pipe bend and inwall connects, and enhances inwall with retaining the draw knot force of exterior wall, improves reservation exterior wall
Overall structural stability, retain outer some horizontal shear reinforcing bars reserved within the walls, and pass through horizontal shear reinforcing bar and newly-built steel
Mixed horizontal member connection, the horizontal connection of the old and new's structure is realized using the method for bar planting, effectively reduces the difference of the old and new's structure
The destruction to retaining exterior wall, and the construction method efficiency high are settled, ensure that construction quality.
Brief description of the drawings
Fig. 1 is the connection relationship diagram for retaining exterior wall and inwall of one embodiment of the invention；
Fig. 2 is the connection relationship diagram for retaining exterior wall and original structure post of one embodiment of the invention；
Fig. 3 is the connection relationship diagram for retaining exterior wall and newly-built reinforced beam of one embodiment of the invention.
Label is as follows in figure：
Retain exterior wall 10；Inwall 20；Lacing wire 21；Bar frame 22；Horizontal bar 22a；Vertical muscle 22b；Original structure post 30；It is newly-built
Reinforced beam 40；Horizontal shear reinforcing bar 41；Back-up coat 42.
Embodiment
Company below in conjunction with the drawings and specific embodiments to reservation exterior wall proposed by the present invention and newly-built steel reinforced concrete horizontal member
Binding structure and its construction method are described in further detail.According to following explanation and claims, advantages of the present invention and
Feature will become apparent from.It should be noted that accompanying drawing uses using very simplified form and non-accurately ratio, only to side
Just the purpose of the embodiment of the present invention, is lucidly aided in illustrating.For sake of convenience, " on ", " under " described below and accompanying drawing
Upper and lower direction is consistent, but this can not turn into the limitation of technical solution of the present invention.
Embodiment one：
The present embodiment is by taking certain the in flakes reconstruction project of protection building as an example, wherein there is four monomer protection buildings to need to retain
Its brick exterior wall along the street, outer wall body show that its compression strength and carbonation coefficient do not reach through the identification of coherent detection mechanism and wanted
Ask, the stability overall to protection building is extremely disadvantageous, causes serious potential safety hazard.The purpose of the present invention is protected by changing
The attachment structure of exterior wall and newly-built steel reinforced concrete horizontal member is stayed, the requirement of inner space can be ensured to greatest extent, is met
The needs of inside configuration displacement, also can farthest retain its architectural culture style and features.
Illustrate the attachment structure for retaining exterior wall and newly-built steel reinforced concrete horizontal member of the present invention, this reality with reference to Fig. 1 to Fig. 3
Example is applied to retain between exterior wall 10 and newly-built reinforced beam 40 exemplified by the concrete structure of connecting node, is close to retain exterior wall 10
Inner side is provided that the inwall 20 (using the interior of protection building as inner side) poured by self-compacting concrete, is buried in inwall 20
If by the crisscross bar frames 22 being formed by connecting of horizontal bar 22a and vertical muscle 22b, retain and set between exterior wall 10 and inwall 20
Some one end are provided with the lacing wire 21 of factory pipe bend, and one end implantation of lacing wire 21 retains exterior wall 10, and it has the another of factory pipe bend
End is connected with the vertical muscle 22b of bar frame 22, is retained and is set some levels anti-between exterior wall 10 and newly-built reinforced beam 40
Shear-steel muscle 41, the both ends of horizontal shear reinforcing bar 41 are implanted into respectively retains exterior wall 10 and newly-built reinforced beam 40.
The attachment structure for retaining exterior wall and newly-built steel reinforced concrete horizontal member of the present invention, retain exterior wall 10 and pass through some implantation
Lacing wire 21 is connected with the bar frame 22 of inwall 20, compared to extension supporting or thicken wall reinforcing mode, lacing wire 21 it is curved
Head is connected with the bar frame 22 of inwall 20, is enhanced inwall 20 and is retained the draw knot force of exterior wall 10, it is outer to improve reservation
The resistance to overturning of wall 10, moreover, by the way of implantation lacing wire 21 is connected with the bar frame 22 of inwall 20, effectively control
The thickness of inwall 20, the ruggedized construction for retaining exterior wall 10 is avoided to take the use space of interior too much；Retain exterior wall 10 with
Connected between newly-built steel reinforced concrete horizontal member by some horizontal shear reinforcing bars 41 of implantation, horizontal shear reinforcing bar 41 is outer through retaining
Wall 10, inwall 20 and newly-built steel reinforced concrete horizontal member simultaneously connect as one three, and the difference for effectively reducing the old and new's structure is sunk
Destruction to retaining exterior wall 10 is dropped.
More preferably, as shown in figure 3, newly-built reinforcing bar it is mixed be provided between Tu Liang and inwall 20 poured by self-compacting concrete and
Into back-up coat 42, the joint gap of the old and new's structure is poured using self-compacting concrete so that can be seamless between the old and new's structure
Linking, both connections are even closer.
Please continue to refer to Fig. 2, retain exterior wall 10 further to reinforce, the one of the horizontal bar 22a of the bar frame 22 of inwall 20
End implantation with retain exterior wall 10 close to original structure post 30 in, the drawknot retained with enhancing between exterior wall 10 and original structure post 30 is strong
Degree, effectively enhance the globality and stability for retaining exterior wall 10.
In the present embodiment, above-mentioned bar frame 22 is formed by φ 10mm and spacing 200mm two-way concrete slab colligation, to meet
The intensity requirement of inwall 20, lacing wire 21 is made of φ 10mm reinforcing bars, and the adjacent spacing 400mm of two lacing wires 21, lacing wire 21
Above-mentioned density set the drawknot intensity that can ensure to retain between exterior wall 10 and inwall 20 to meet the reinforcing for retaining exterior wall 10
It is required that horizontal shear reinforcing bar 41 realizes being stably connected with for the old and new's structure using 3 φ 14mm and spacing 200mm reinforcing bar.
Embodiment two：Illustrate the attachment structure for retaining exterior wall and newly-built steel reinforced concrete horizontal member of the present invention with reference to Fig. 1 to Fig. 3
Construction method, comprise the following steps that：
S1：Implement to reinforce to retaining the inner side of exterior wall 10, by some φ 10mm and spacing 400mm lacing wires by way of bar planting
21 one end is connected with retaining exterior wall 10, and the factory pipe bend of the other end of lacing wire 21 sets up inwall 20 towards protection architecture indoor
Bar frame 22, and the factory pipe bend of lacing wire 21 is sheathed on the vertical muscle 22b of bar frame 22, set up template and pour liner
Wall 20；
S2：By one end of some φ 14mm and spacing 200mm horizontal shear reinforcing bar 41 by bar planting mode with retaining
Exterior wall 10 is connected, and the other end of horizontal shear reinforcing bar 41 is implanted into horizontally disposed newly-built reinforced beam 40.
The present invention's retains exterior wall and the construction method of the attachment structure of newly-built steel reinforced concrete horizontal member, and first, protection is built
The reservation exterior wall 10 built is reinforced, and some lacing wires 21 are connected simultaneously pre-made elbow by way of bar planting with retaining exterior wall 10, draw
The factory pipe bend of muscle 21 is connected with the bar frame 22 of inwall 20, enhances inwall 20 with retaining the draw knot force of exterior wall 10,
Improve and retain the overall structural stability of exterior wall 10, some horizontal shear reinforcing bars 41 are reserved in exterior wall 10 retaining, and pass through
Horizontal shear reinforcing bar 41 is connected with newly-built steel reinforced concrete horizontal member, and the horizontal connection of the old and new's structure is realized using the method for bar planting, is had
Effect reduces destruction of the relative settlement of the old and new's structure to reservation exterior wall 10, and the construction method efficiency high, ensure that construction
Quality.
Above-mentioned steps S2 also includes, as shown in figure 3, the gap between newly-built reinforced beam 40 and inwall 20 uses
Self-compacting concrete pours and forms back-up coat 42, realizes the seamless connection of structures connection node.
In above-mentioned steps S1, as shown in Fig. 2 the side that the horizontal bar 22a of the bar frame 22 of inwall 20 one end passes through bar planting
Formula is connected to the side of original structure post 30, enhances the drawknot intensity retained between exterior wall 10 and original structure post 30, improves guarantor
Stay the resistance to overturning of exterior wall 10.
In the present embodiment, above-mentioned inwall 20 and back-up coat 42 use strength grade to be poured for C30 self-compacting concrete
Build and form, and the thickness 100mm of inwall 20, self-compacting concrete refers under self gravitation effect, can flow, be closely knit, i.e.,
Template can be also filled up completely with by making to have fine and close reinforcing bar, while is obtained fine homogenieity and do not needed the concrete of extraneous vibration, pole
Construction is facilitated greatly, ensure that its construction quality.
Foregoing description is only the description to present pre-ferred embodiments, not to any restriction of the scope of the invention, this hair
Any change, the modification that the those of ordinary skill in bright field does according to the disclosure above content, belong to right.
Claims (7)
1. retain the attachment structure of exterior wall and newly-built steel reinforced concrete horizontal member, it is characterised in that：Inwall is close to the reservation exterior wall
Inner side, bury in the inwall by horizontal bar and the crisscross bar frame being formed by connecting of vertical muscle, the reservation exterior wall and institute
The lacing wire for setting some one end to be provided with factory pipe bend between inwall is stated, one end of the lacing wire is implanted into the reservation exterior wall, institute
The other end with factory pipe bend for stating lacing wire is connected with the vertical muscle of the bar frame, the reservation exterior wall and the newly-built steel
Some horizontal shear reinforcing bars are set between mixed horizontal member, the both ends of the horizontal shear reinforcing bar are implanted into the reservation exterior wall respectively
With the newly-built steel reinforced concrete horizontal member.
2. attachment structure according to claim 1, it is characterised in that：The newly-built steel reinforced concrete horizontal member and the inwall
Between be provided with the back-up coat that is poured by self-compacting concrete.
3. attachment structure according to claim 1, it is characterised in that：One end implantation of the horizontal bar of the bar frame and institute
State retain exterior wall close to original structure post in.
4. retain exterior wall and the construction party of the attachment structure of newly-built steel reinforced concrete horizontal member as described in any one of claims 1 to 3
Method, step are as follows：
S1：Implement to reinforce to retaining inner side of outer wall, connected one end of some lacing wires and the reservation exterior wall by way of bar planting
Connect, set up the bar frame of inwall, and the factory pipe bend of the lacing wire other end is sheathed on to the vertical muscle of the bar frame,
Set up template and pour the inwall；
S2：One end of some horizontal shear reinforcing bars is connected by bar planting mode with the reservation exterior wall, the horizontal shear
The other end of reinforcing bar is implanted into the horizontally disposed newly-built steel reinforced concrete horizontal member.
5. construction method according to claim 4, it is characterised in that：The step S2 also includes, the newly-built steel reinforced concrete water
Gap between flat component and the inwall is poured using self-compacting concrete and forms back-up coat.
6. construction method according to claim 4, it is characterised in that：In the step S1, the horizontal bar of the bar frame
One end the side of original structure post is connected to by way of bar planting.
7. construction method according to claim 4, it is characterised in that：The inwall poured using self-compacting concrete and
Into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966607.9A CN107700668A (en) | 2017-10-17 | 2017-10-17 | Retain the attachment structure and its construction method of exterior wall and newly-built steel reinforced concrete horizontal member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710966607.9A CN107700668A (en) | 2017-10-17 | 2017-10-17 | Retain the attachment structure and its construction method of exterior wall and newly-built steel reinforced concrete horizontal member |
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| CN107700668A true CN107700668A (en) | 2018-02-16 |
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| CN201710966607.9A Pending CN107700668A (en) | 2017-10-17 | 2017-10-17 | Retain the attachment structure and its construction method of exterior wall and newly-built steel reinforced concrete horizontal member |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412079A (en) * | 2018-05-18 | 2018-08-17 | 华南理工大学 | A kind of fabricated shear wall horizontal connection structure and construction method |
| CN108487095A (en) * | 2018-03-27 | 2018-09-04 | 中冶南方工程技术有限公司 | A kind of box culvert connection construction technique |
| CN108797396A (en) * | 2018-08-28 | 2018-11-13 | 南京林业大学 | A kind of underwater pillarwork of reinforced mesh reinforcement bridge and construction method |
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| CN201554237U (en) * | 2009-11-05 | 2010-08-18 | 上海市第一建筑有限公司 | Seismic strengthening structure of retained exterior wall |
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| CN207392449U (en) * | 2017-10-17 | 2018-05-22 | 上海建工二建集团有限公司 | Retain the connection structure of exterior wall and newly-built steel reinforced concrete horizontal member |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2007132132A (en) * | 2005-11-11 | 2007-05-31 | Taiheiyo Cement Corp | Reinforcing structure and reinforcing method for concrete structural member |
| CN1978843A (en) * | 2005-12-09 | 2007-06-13 | 湖南大学 | Construction method for reinforcing steel-bar net mortar thin layer |
| CN201554237U (en) * | 2009-11-05 | 2010-08-18 | 上海市第一建筑有限公司 | Seismic strengthening structure of retained exterior wall |
| CN201554236U (en) * | 2009-11-05 | 2010-08-18 | 上海市第一建筑有限公司 | Retained exterior wall strengthening device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108487095A (en) * | 2018-03-27 | 2018-09-04 | 中冶南方工程技术有限公司 | A kind of box culvert connection construction technique |
| CN108487095B (en) * | 2018-03-27 | 2021-01-26 | 中冶南方工程技术有限公司 | Box culvert connection construction process |
| CN108412079A (en) * | 2018-05-18 | 2018-08-17 | 华南理工大学 | A kind of fabricated shear wall horizontal connection structure and construction method |
| CN108797396A (en) * | 2018-08-28 | 2018-11-13 | 南京林业大学 | A kind of underwater pillarwork of reinforced mesh reinforcement bridge and construction method |
| CN108797396B (en) * | 2018-08-28 | 2023-11-14 | 南京林业大学 | Reinforcing mesh reinforced bridge underwater pier column structure and construction method |
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