CN106522576B - Old City Wall door opening reinforcement means and ruggedized construction - Google Patents
Old City Wall door opening reinforcement means and ruggedized construction Download PDFInfo
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- CN106522576B CN106522576B CN201611052454.9A CN201611052454A CN106522576B CN 106522576 B CN106522576 B CN 106522576B CN 201611052454 A CN201611052454 A CN 201611052454A CN 106522576 B CN106522576 B CN 106522576B
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- door opening
- city wall
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- column
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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- Chemical Kinetics & Catalysis (AREA)
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Door And Window Frames Mounted To Openings (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a kind of Old City Wall door opening reinforcement means and ruggedized constructions, are related to historic building conservation technical field.Old City Wall door opening ruggedized construction includes：Reinforcement elements within the city wall soil body and longeron；Longeron connects multiple reinforcement elements；Reinforcement elements include two vertical columns and the crossbeam above door opening for being located at door opening both sides, and column lower end runs through the city wall soil body；Crossbeam connects the two root posts of same reinforcement elements.Column, crossbeam and longeron are set within the soil body around door opening and form frame structure, can preferably be combined with the city wall soil body, share the stress at door opening.Crossbeam is set among the soil body of door opening top, and crossbeam can reinforce the soil body above door opening.Column lower end in door opening soil at both sides runs through the city wall soil body, can be directly conducted under city wall by door opening soil at both sides integral reinforcing, while by the power of support beam and longeron.And Old City Wall door opening ruggedized construction is located inside city wall, does not interfere with the appearance of city wall, and city wall is made to keep original appearance.
Description
Technical field
The present invention relates to historic building conservation technical field, it is specifically related to a kind of Old City Wall door opening reinforcement means and reinforces knot
Structure.
Background technology
China is an ancient civilized country, and as a Sinitic part, Old City Wall accounts in the development history that China is built
There is extremely important status.Meanwhile it takes the course of its own on world's architectural history, forms unique structural system.Old City Wall passes through
Long-term natural calamity and artificial destruction are crossed, inevitably caves in or damages.In the prior art, Old City Wall is reinforced
Most common method is interior to fill out rammed earth, the reinforcement means of outsourcing blue bricks.This reinforcement means only takes into account city wall exterior wall, does not have
Have in view of city wall stress is most concentrated and most weak city wall door opening, so, the city wall door opening after reinforcing is not avoided that out still
The phenomenon that existing weak area and stress concentration, therefore, for a long time, it necessarily will appear damage of caving in.
Existing Old City Wall carries out repairing and reinforcement and exterior wall or the soil body is only carried out repairing and reinforcement, and there is no consider city wall
Load and stress, typically without the stress concentration phenomenon in view of city wall door opening, once eaerthquake damage occurs, damage of collapsing is existing
As also occurring that.Equally, the special stress and side wall compression phenomenon of door opening are not accounted in pseudo-classic architecture yet.
Invention content
The purpose of the present invention is to provide a kind of structures for ancient building door opening, reduce the stress concentration of ancient building door opening
Old City Wall door opening reinforcement means and ruggedized construction.
To achieve the above object, the technical solution used in the present invention is：
A kind of Old City Wall door opening reinforcement means comprising following steps：
1）Operation area is excavated downwards in the position that door opening is corresponded at the top of city wall, and operation area is arranged above door opening；
2）Leghole is dug straight down in operation area, and leghole is located in city wall door opening soil at both sides, and downward through city
Wall main body；
3）It is inserted into column in leghole, operation area is exposed at the top of column；
4）In operation area, crossbeam is set between the corresponding column in city wall door opening both sides, between crossbeam and/or city wall door
Longeron is set between the adjacent upright posts of hole homonymy, and longeron is arranged above door opening；
5）Operation area backfill, compacting, restore city wall appearance.
Further, further include that temperature pier and/or safeguard procedures are taken to city wall, removed after the completion of to be onstructed.
Further, in step 5）In, backfill operation area with the soil body that excavation operation area is dug out.
Further, in step 3）In, after being inserted into column in leghole, casting concrete will be between column and leghole
Gap is tamped.
Further, step 1）The depth that middle operation area excavates downwards is 500mm or more.
Further, step 2）In, leghole is symmetrically disposed on door opening both sides, and leghole is uniformly distributed along door opening axis.
Further, step 4）In, crossbeam is arranged along city wall door opening width direction, by longeron along city wall door opening axis side
To setting.
Further, step 4）In, column, crossbeam and longeron are reinforced concrete precast member, and in column, crossbeam
With the connecting portion built-in connection of longeron；Crossbeam, longeron and column common in-situ, which pour, to be connected at the top of column.
A kind of Old City Wall door opening ruggedized construction is built using any one of the above Old City Wall door opening reinforcement means comprising：
Reinforcement elements within the city wall soil body and longeron；Longeron connects multiple reinforcement elements；Reinforcement elements include two difference positions
Vertical column and the crossbeam above door opening in door opening both sides, column lower end run through the city wall soil body, and crossbeam connection is same
The two root posts of reinforcement elements.
Further, crossbeam is located at 500mm or less at the top of city wall.
Further, the two root posts of same reinforcement elements are symmetrically disposed on door opening both sides, and multiple reinforcement elements are along door opening
Axis is uniformly distributed.
Further, crossbeam is arranged along door opening width direction, and longeron is arranged along door opening axis direction.
Further, it is provided between reinforcing plate or crossbeam on crossbeam and is provided with reinforcing mat.
Further, crossbeam, longeron and column are commonly connected to the top of column.
Further, crossbeam, longeron and column are prefabricated reinforced concrete column, and crossbeam, longeron and column are mutual
Connection type be cast in situs connection.
The beneficial effects of the invention are as follows：Column, crossbeam and longeron are set to composition frame knot within the soil body around door opening
Structure can be combined preferably with the city wall soil body, share the stress at door opening.Crossbeam is set among the soil body of door opening top, crossbeam can
To reinforce the soil body on door opening top.Column lower end in door opening soil at both sides runs through the city wall soil body, can be by door opening soil at both sides
Integral reinforcing, while the power of support beam and longeron being directly conducted under city wall.Old City Wall door opening ruggedized construction is located at simultaneously
Inside city wall, the appearance of city wall is not interfered with, city wall is made to keep original appearance.
Description of the drawings
Fig. 1 is the three-dimensional view of Old City Wall door opening ruggedized construction of the present invention；
Fig. 2 is the front view of Old City Wall door opening ruggedized construction of the present invention；
Fig. 3 is the vertical view of Fig. 2.
In figure：1- city walls, 2- door openings, 3- columns, 4- crossbeams, 5- longerons.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
A kind of Old City Wall door opening reinforcement means comprising following steps：
1）Operation area is excavated downwards in the position that door opening 2 is corresponded at 1 top of city wall, and operation area is arranged above door opening；
2）Leghole is dug straight down in operation area, leghole is located in 1 door opening of city wall, 2 soil at both sides, and downward through
1 main body of city wall；
3）Column 3 is inserted into leghole, 3 top of column exposes to operation area；
4）In operation area, crossbeam 4 is set between the corresponding column in 1 door opening of city wall, 2 both sides 3, between crossbeam 4 and/or
Longeron 5 is set between the adjacent upright posts 3 of 1 door opening of city wall, 2 homonymy, and longeron is arranged above door opening 2；
5）Operation area backfill, compacting, restore 1 appearance of city wall.
In implementation, first, after operation area is cleaned out, 500mm is dug under 1 top depth direction of city wall.Later, along city
A series of leghole at intervals is symmetrically dug in 1 top depth direction of wall in the both sides of 1 door opening 2 of city wall, and hole depth is 1 height of city wall.It is vertical
Post holes can be used Luoyang Spade and be excavated, and prevent vibrations damage wall body structure；After leghole can be downward through city wall, deeply
In the ground of city wall, the column of insertion is enable to go deep into the ground of city wall.The column 3 of prefabricated reinforced concrete is inserted using crane
In leghole, the gap of column 3 and leghole, 3 top reserved steel bar of column are tamped with pea gravel concreten.In same heel post 3
The longeron 5 of prefabricated reinforced concrete is placed on top, is placed on the corresponding top of prefabricated reinforced concrete column 3 in 1 door opening of city wall, 2 both sides horizontal
Beam 4 welds the reserved steel bar of column 3, longeron 5 and crossbeam 4, and the node that column 3, crossbeam 4 and longeron 5 connect is showed
Field concreting；It waits after the completion of pouring, backfills 1 operation at top area of city wall with the original soil body dug out, then tamped, restore
1 appearance of city wall.Column, crossbeam and longeron are set within the soil body around door opening and form frame structure, can preferably with
The city wall soil body combines, and shares the stress at door opening.Crossbeam is set among the soil body of door opening top, and crossbeam can reinforce door opening top
The soil body.Column lower end in door opening soil at both sides runs through the city wall soil body, can be by door opening soil at both sides integral reinforcing, while will prop up
The power of support crossbeam and longeron is directly conducted under city wall.Old City Wall door opening ruggedized construction is located inside city wall simultaneously, does not interfere with
The appearance of city wall makes city wall keep original appearance.
Further, further include that temperature pier and/or safeguard procedures are taken to city wall 1, removed after the completion of to be onstructed.Operation
When, it is to prevent in operation process that damage occurs caving in 1 wall of city wall or wall falls off and hurts sb.'s feelings, it should be to 1 body of city wall and door
Hole 2 carries out temperature pier and protection, such as prevents surface of wall from falling off metope progress linked network processing and hurt sb.'s feelings, will be former in city wall 1
Some cave dwellings and bomb shelter are backfilled, and are set up scaffold and are supported, and can more be faced with reference to some existing walls
When reinforcement measure.
Further, in step 5）In, backfill operation area with the soil body that excavation operation area is dug out.With the soil of of city wall 1 itself
Body backfills, and plays style unification, the principle that old material utilizes in conservation of historic buildings.
Further, in step 3）When middle insertion column 3, should it is vertical under hang, during preventing from hanging under, column, which tilts, to be destroyed
Original soil body.
Further, in step 3）In, after being inserted into column 3 in leghole, casting concrete is by column 3 and leghole
It tamps in gap.It is more secured that casting concrete can be such that column 3 is combined with 1 wall of city wall.In implementation, strengthening version level is layed in
On crossbeam 4, and it is secured by bolts in crossbeam 4.Reinforcing mat is laid between crossbeam 4, reinforcing mat is connected to adjacent two crossbeam.
Further, further include the steps that being arranged between reinforcing plate or crossbeam 4 that reinforcing mat is arranged on crossbeam 4.Crossbeam 4 is set
Reinforcing plate or reinforcing mat are set, crossbeam 4 is made preferably to be combined with the soil body above door opening, preferably supports the soil body above door opening.
Further, step 1）In, the depth that operation area excavates downwards is 500mm or more.In order to ensure that crossbeam 4 is embedded in
Depth among 1 soil body of city wall makes crossbeam 4 be combined more secured with the 2 top soil body of door opening, preferably shares 2 top of door opening soil
The stress of body, through test of many times, operation area keeps crossbeam 4 embedded when the depth that 1 top down of city wall excavates is 500mm or more
500mm at the top of city wall 1 is hereinafter, can make crossbeam 4 be combined preferably with the 2 top soil body of door opening.
Further, step 2）In, leghole is symmetrically disposed on 2 both sides of door opening, and leghole uniformly divides along 2 axis of door opening
Cloth.It after being symmetrical with the leghole insertion column 3 of 2 both sides of door opening, is connected by the way that crossbeam 4 is arranged in operation area, forms a reinforcing
Unit.Leghole is uniformly distributed along 2 axis of door opening, is made multiple reinforcement elements along the erection of 2 axis continuous uniform of door opening, is reinforced single
Connected by longeron 5 between member, ensure by door opening 2 it is whole it is complete reinforce, be not in local weak area.
Further, step 4）In, crossbeam 4 is arranged along 1 door opening of city wall, 2 width direction, by longeron 5 along 1 door opening 2 of city wall
Axis direction is arranged.Make reasonable integral structure, stress evenly.
Further, step 4）In, column 3, crossbeam 4 and longeron 5 are reinforced concrete precast member, and in column 3, cross
The connecting portion built-in connection of beam 4 and longeron 5；Crossbeam 4, longeron 5 and 3 common in-situ of column, which pour, is connected to 3 top of column,
Reduce tie point, reduce construction procedure, protect city wall 1, shortens the construction time.In implementation, longeron 5 and multiple reinforcement elements
Connection, the connection of crossbeam 4 and column 3, the top that column 3 is commonly connected to by crossbeam 4, longeron 5 and column 3 are realized.Crossbeam
4, longeron 5 and column 3 are columnar reinforced concrete precast member.At the end that crossbeam 4, longeron 5 and column 3 respectively need to connect
Portion, is embedded with connector when respectively pouring, connector can be the connection structures such as exposed reinforcing bar or connecting plate.When connection,
It needs between the crossbeam connected 4, longeron 5 and column 3, first connects reserved connector, such as reinforcing bar is welded to each other, and is then poured
Build concrete.Prefabricated reinforced concrete crossbeam 4, prefabricated reinforced concrete column and the prefabricated reinforced concrete longeron 5 used, according to
The soil property of city wall 1, thickness, height determine size.
A kind of Old City Wall door opening ruggedized construction is built using any one of the above Old City Wall door opening reinforcement means comprising：
Reinforcement elements within 1 soil body of city wall and longeron 5；Longeron 5 connects multiple reinforcement elements；Reinforcement elements include two difference
1 soil body of city wall, crossbeam 4 are run through in vertical column 3 and the crossbeam 4 above door opening 2 positioned at 2 both sides of door opening, 3 lower end of column
Connect the two root posts 3 of same reinforcement elements.Column 3, crossbeam 4 and longeron 5 are set within the soil body around door opening 2 and form frame
Frame structure can be combined preferably with 1 soil body of city wall, share the stress at door opening 2.Crossbeam is set among the 2 top soil body of door opening
4, more crossbeams 4 are arranged in parallel or intersect setting, and crossbeam 4 can reinforce the soil body on 2 top of door opening.2 both sides of door opening soil
3 lower end of column in body can go deep into city wall ground after 1 soil body of city wall, can by 2 soil at both sides integral reinforcing of door opening,
The power of support beam 4 and longeron 5 is directly conducted under city wall 1 simultaneously.Old City Wall door opening ruggedized construction is located in city wall 1 simultaneously
Portion does not interfere with the appearance of city wall 1, and city wall 1 is made to keep original appearance.
Crossbeam, column and longeron in the present invention may be used prefabricated reinforced concrete structure, and size is according to the soil of city wall 1
Matter, thickness, height determine.In one embodiment, 1 section of city wall is trapezoidal, and size is：High 10.75m, wall base thickness 19.4m,
Wall top thickness 18m；1 door opening of city wall, 2 size：High 5.4m, wide 4.15m, top are arc, radius 2.3m.Column 3 uses C30 water
The sectional dimension of clay work is the precast concrete column 3 of 400 × 400mm, high 8m, and vertically symmetrical setting is in 1 door opening 2 of city wall
Within soil at both sides, apart from 2 side wall 4m of door opening, and the basis under city wall 1 wall to city wall 1 is run through in lower end.Crossbeam 4 uses
The sectional dimension that C30 cement makes is the precast concrete crossbeam 4 of 350 × 700mm, is located within the 2 top soil body of door opening, if
It sets between 1 door opening of city wall, 2 monosymmetric column 3,4 low absolute altitude of crossbeam is high with 3 top mark of column, away from 1 top 2.05m of city wall.
Crossbeam 4 and 3 groups of two columns of the crossbeam 4 connection etc. are at a reinforcement elements, and three reinforcement elements are along 1 door opening of city wall, 2 axis
6 meters of direction interval is uniformly arranged.Longeron 5 uses the sectional dimension that C30 cement makes for the precast concrete of 350 × 700mm
Longeron 5, longeron 5 are positioned horizontally within 1 soil body of city wall, are connected between single reinforcement elements, and 5 low absolute altitude of longeron is pushed up with column 3
Absolute altitude, away from 1 top 2.05m of city wall, specifically, crossbeam 4, longeron 5 and column 3 are connected to the top of column 3, first by crossbeam 4, vertical
The reinforcing bar that beam 5 and column 3 are reserved is welded to each other, and pours crossbeam 4, longeron 5 and column 3 using C30 cement concretes later
Junction.
Further, crossbeam 4 is located at 1 top 500mm of city wall hereinafter, crossbeam 4 is made to be combined more firm with the 2 top soil body of door opening
Gu preferably sharing the stress of the 2 top soil body of door opening.Crossbeam 4 is embedded among the 2 top soil body of door opening, and crossbeam 4 is on door opening 2
The inbuilt depth of portion's soil body be not easy it is shallow,, can be with when depth of the crossbeam 4 away from 1 top of city wall is 500mm or more through test of many times
Crossbeam 4 is set to be combined preferably with the 2 top soil body of door opening.
Further, the two root posts 3 of same reinforcement elements are symmetrically disposed on 2 both sides of door opening, and multiple reinforcement elements are along door
2 axis of hole is uniformly distributed.By vertical between the multiple reinforcement elements of erection of 2 axis direction continuous uniform of door opening, heating unit
Beam 5 connects, ensure by door opening 2 it is whole it is complete reinforce, be not in local weak area.
Further, crossbeam 4 is arranged along 2 width direction of door opening, and longeron 5 is arranged along 2 axis direction of door opening.Make overall structure
Stress is evenly.
Further, it is provided on crossbeam 4 between reinforcing plate and/or crossbeam 4 and is provided with reinforcing mat.The setting of crossbeam 4 is reinforced
Plate or reinforcing mat make crossbeam 4 preferably be combined with the soil body above door opening, preferably support the soil body above door opening.In implementation,
Strengthening version level is layed on crossbeam 4, and is secured by bolts in crossbeam 4.Reinforcing mat is equipped between crossbeam 4, reinforcing mat connects
It is connected to adjacent two crossbeam.
Further, crossbeam 4, longeron 5 and column 3 are commonly connected to the top of column 3.Reduce tie point, reduction is applied
Work step is rapid, protects city wall 1, shortens the construction time.In implementation, the connection of longeron 5 and multiple reinforcement elements, crossbeam 4 and column 3
Connection, the top that column 3 is commonly connected to by crossbeam 4, longeron 5 and column 3 are realized.
Further, crossbeam 4, longeron 5 and column 3 are prefabricated reinforced concrete column, and 3 phase of crossbeam 4, longeron 5 and column
Connection type between mutually connects for cast in situs.In implementation, crossbeam 4, longeron 5 and column 3 are columnar precast reinforced coagulation
Soil structure.In the end that crossbeam 4, longeron 5 and column 3 respectively need to connect, exposed reinforcing bar or company are reserved with when respectively pouring
The connection structures such as fishplate bar.When connection, need between the crossbeam connected 4, longeron 5 and column 3, it is first that reserved connection structure is mutual
Connection, such as reinforcing bar are welded to each other, then casting concrete.Prefabricated reinforced concrete crossbeam 4, the prefabricated reinforced concrete used
Column and prefabricated reinforced concrete longeron 5 determine size according to the soil property of city wall 1, thickness, height.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of Old City Wall door opening reinforcement means, which is characterized in that include the following steps：
1) operation area is excavated downwards in the position of corresponding door opening (2) at the top of city wall (1), and operation area is arranged above door opening；
2) leghole is dug straight down in operation area, the leghole is located in city wall (1) door opening (2) soil at both sides, and downwards
Through city wall (1) main body；
3) it is inserted into column (3) in the leghole, operation area is exposed at the top of the column (3)；
4) in operation area, crossbeam (4) is set, in the cross between the corresponding column (3) in city wall (1) door opening (2) both sides
Longeron (5) is set between beam (4) and/or between the adjacent column (3) of city wall (1) door opening (2) homonymy, and the longeron is set
It sets above door opening (2)；
5) operation area backfill, compacting, restore city wall (1) appearance.
2. Old City Wall door opening reinforcement means according to claim 1, it is characterised in that：Further include taking temporarily city wall (1)
Reinforcing and/or safeguard procedures are removed after the completion of to be onstructed.
3. Old City Wall door opening reinforcement means according to claim 1, it is characterised in that：In step 5), with excavation operation area
The soil body dug out backfills the operation area.
4. Old City Wall door opening reinforcement means according to claim 1, it is characterised in that：In step 3), in the leghole
After the middle insertion column (3), casting concrete tamps the column (3) and the gap of the leghole.
5. Old City Wall door opening reinforcement means according to claim 1, it is characterised in that：In step 1), the operation area to
Under the depth that excavates be 500mm or more.
6. Old City Wall door opening reinforcement means according to claim 1, it is characterised in that：In step 2), leghole is symmetrical arranged
In door opening both sides, leghole is uniformly distributed along door opening axis；In step 4), crossbeam is arranged along city wall door opening width direction, it will
Longeron is arranged along city wall door opening axis direction.
7. Old City Wall door opening reinforcement means according to claim 1, it is characterised in that：In step 4), the column (3), institute
It is reinforced concrete precast member to state crossbeam (4) and the longeron (5), and in the column (3), the crossbeam (4) and described
The connecting portion built-in connection of longeron (5)；The crossbeam (4), the longeron (5) and the column (3) common in-situ pour
It is connected at the top of the column (3).
8. a kind of Old City Wall door opening ruggedized construction, using the Old City Wall door opening reinforcement means described in claim 1-7 any one
It builds, which is characterized in that including：Reinforcement elements within city wall (1) soil body and longeron (5)；Longeron (5) connection is more
A reinforcement elements；The reinforcement elements include two vertical columns (3) for being located at door opening (2) both sides and are located at door
City wall (1) soil body is run through in crossbeam (4) above hole (2), column (3) lower end；The crossbeam (4) connects the same reinforcing
Two columns (3) of unit.
9. Old City Wall door opening ruggedized construction according to claim 8, it is characterised in that：The crossbeam (4) is located at city wall (1) top
Portion 500mm or less.
10. Old City Wall door opening ruggedized construction according to claim 8, it is characterised in that：The crossbeam (4), the longeron (5)
The top of the column (3) is commonly connected to the column (3)；The crossbeam (4), the longeron (5) and the column (3)
For prefabricated reinforced concrete column, and the crossbeam (4), the longeron (5) and the mutual connection type of the column (3) are
Cast in situs connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052454.9A CN106522576B (en) | 2016-11-25 | 2016-11-25 | Old City Wall door opening reinforcement means and ruggedized construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611052454.9A CN106522576B (en) | 2016-11-25 | 2016-11-25 | Old City Wall door opening reinforcement means and ruggedized construction |
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| Publication Number | Publication Date |
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| CN106522576A CN106522576A (en) | 2017-03-22 |
| CN106522576B true CN106522576B (en) | 2018-08-28 |
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| CN111042570B (en) * | 2020-01-03 | 2021-11-05 | 上海市园林工程有限公司 | Repairing construction method for fresh water brick wall of ancient building |
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| JP4933229B2 (en) * | 2006-11-21 | 2012-05-16 | 鹿島建設株式会社 | Seismic reinforcement structure |
| CN201809990U (en) * | 2010-09-03 | 2011-04-27 | 上海天演建筑物移位工程有限公司 | Temporary reinforcing device of ancient building |
| CN206220558U (en) * | 2016-11-25 | 2017-06-06 | 河北建筑工程学院 | Old City Wall door opening ruggedized construction |
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