CN110284729A - A kind of historical building wall sectional type cutting disassembling method - Google Patents
A kind of historical building wall sectional type cutting disassembling method Download PDFInfo
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- CN110284729A CN110284729A CN201910505835.5A CN201910505835A CN110284729A CN 110284729 A CN110284729 A CN 110284729A CN 201910505835 A CN201910505835 A CN 201910505835A CN 110284729 A CN110284729 A CN 110284729A
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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
- E04G23/08—Wrecking of buildings
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Abstract
The invention discloses a kind of historical building wall sectional type cutting disassembling methods, this method is by being divided into several unit walls for whole face historical building wall, all unit walls are orderly numbered, it is numbered according to wall, according to sequence from top to bottom, from left to right, sequentially by unit wall reinforcement at unit composite plat wall, is cut and removed, improving reduces difficulty of construction；And the unit wall of same layer can be improved construction efficiency, be reduced construction cost with synchronous construction.
Description
Technical field
The present invention relates to technical field of building construction more particularly to a kind of historical building wall sectional type cutting disassembling sides
Method.
Background technique
Since historical building artistic wall has biggish historical value, scientific value and artistic value, special
In structure of modification, need whole removal wall, migrated, repaired, restored, avoid damaging its historical value, scientific value and
Artistic value.
Because of situations such as historical building artistic wall it is possible that large area inclination, askew sudden strain of a muscle, distortion, damaged, blow-up, existing
There is historical building deformed wall recovery technique, is in situ partial dismantling deformed wall, difficulty of construction is big for this traditional technology, labor
Fatigue resistance is big, long in time limit, needs to expend more human and material resources.
Summary of the invention
In view of this, the present invention provides a kind of historical building wall sectional type cutting disassembling method, it is above-mentioned to solve
The problem of background technique.
A kind of historical building wall sectional type cutting disassembling method, specifically includes the following steps:
Step 1: whole face historical building wall being intended to be divided into several unit walls；
Step 2: all unit walls are orderly numbered；
Step 3: compound L-type concrete slab being respectively set on each unit wall for being currently located at historical building wall top layer and is formed
Unit combined wall installs temporary support blocks on each unit combined wall；According to number order, successively cuts and remove peace
Unit combined wall equipped with temporary support blocks；
Step 4: repeating step 3, according to number order, the wall of the historical building wall other floors is orderly cut
It cuts.
Preferably, by the quasi- specific steps for being divided into several unit walls of whole face historical building wall in step 1 are as follows:
Firstly, surveying situation according to live entity, the construction design drawing of whole face historical building wall is drawn out；
Then, according to construction design drawing, selection measures instrument, each unit wall is oriented on the metope of historical building wall
Body, the cutting line of each unit wall is popped up with the line of ink marker on metope, and the cutting line delimited along wall body vertical brickwork joint.
Preferably, the tool that compound L-type concrete slab forms unit combined wall is set on individual unit wall in step 3
Body step are as follows:
Step 3.1: multiple support slots are equidistantly opened up in the bottom of unit wall, as soon as a support slot is often opened up, in the support slot
One split heads of interior placement；Place an isolation board in lower section；Each split heads must effectively supporting upper and lower brick wall wall；
Step 3.2: removing the wall of all split heads neighbours side, unit wall bottom is made to form multiple empty slots separated by split heads；
Step 3.3: placing an isolation board respectively in each empty slot, then, spacer bar is sequentially passed through into each split heads, structure
At the support construction of ground beam；
Step 3.4: being implanted into tension rib at the back side of unit wall, then in unit wall back side assembling reinforcement mesh sheet, reinforced mesh
Binding and fixing are carried out with support construction and wall tie bar；
Step 3.5: installation formwork for placing, the upper surface of the formwork for placing and the upper surface of unit wall are flush；
Step 3.6: pouring mouth casting concrete from formwork for placing, concrete and ground beam support construction combine together to form reinforcing bar
Concrete ground beam, concrete and rebar mesh sheet, tension rib combine together to form concrete slab, armored concrete ground beam and concrete
Plate collectively forms compound L-type concrete slab, and compound L-type concrete slab and unit wall combine together to form unit combined wall,
The wall face of the lateral surface retraction unit wall of the armored concrete ground beam, the back side of medial surface from unit wall are convex
Out；
Step 3.7: opening up groove in the upper surface of unit combined wall, article rubber water stop is installed in groove.
Preferably, the specific steps for being equipped with the unit combined wall of temporary support blocks are cut in step 3 are as follows:
Firstly, putting guiding ruler or conduit at the cutting line of unit combined wall；Then, using cutting machine along guiding ruler or conduit into
Row is longitudinal sectional.
Preferably, the temporary support blocks include lifting fender bracket and are arranged in unit combined wall door window inner frame
Interior door and window strengthening support；
The lifting fender bracket includes bottom bracket, the diagonal support being fixed on bottom bracket and is horizontally fixed on diagonal brace
The hoisting bracket of cradle top, the side of the bottom bracket are extended to insert in the intracorporal socket joint plate of unit composite wall,
The end of the socket joint plate, which is hingedly fixed with, can overturn above and below relative to socket joint plate to clamp the clamping of the unit combined wall
Plate.
Preferably, lifting lug is provided at the top of the hoisting bracket, lifting lug center offers lifting hole(eyelet).
Preferably, there are four the lifting lug settings, four corners of hoisting bracket are separately fixed at.
Preferably, the door and window strengthening support includes rectangular frame and the Crossing brace that is arranged in rectangular frame.
Preferably, each blocking wall includes a brick column, a face wall, a door or window, the height of blocking wall
For a layer height.
Preferably, each blocking wall corresponds to only one number.
The beneficial effects of the present invention are:
The present invention carries out all unit walls orderly by the way that whole face historical building wall is divided into several unit walls
Number, is numbered according to wall, according to sequence from top to bottom, from left to right, sequentially by unit wall reinforcement at unit composite plat
Wall is cut and is removed, and improving reduces difficulty of construction；And the unit wall of same layer can be improved and be applied with synchronous construction
Work efficiency rate, reduces construction cost.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the flow chart of the method for the present invention.
Fig. 2 is the schematic diagram that historical building wall is divided into several unit walls.
Fig. 3 is the structural schematic diagram of unit combined wall.
Fig. 4 is the structural schematic diagram in unit wall bottom setting split heads.
Fig. 5 is the structural schematic diagram of the wall after emptying the wall of split heads neighbour side in Fig. 3.
Fig. 6 is to intert spacer bar in the split heads of Fig. 4, forms the schematic diagram of support construction.
Fig. 7 is the structural schematic diagram of the ground beam of unit wall bottom.
Fig. 8 is the structural schematic diagram of split heads.
Fig. 9 is the structural schematic diagram of spacer bar.
Figure 10 is the structural schematic diagram for lifting fender bracket.
Figure 11 is the status diagram that temporary support blocks are installed on unit combined wall.
The meaning of figure label are as follows:
1 is unit wall, and 2 be compound L-type concrete slab, and 3 be unit combined wall, and 4 be temporary support blocks, and 5 be concrete
Plate, 6 be built-in fitting, and 7 be support slot, and 8 be split heads, and 9 be isolation board, and 10 be empty slot, and 11 be spacer bar, and 12 be support construction,
13 be armored concrete ground beam, and 14 be card slot, and 15 be door and window strengthening support, and 16 be bottom bracket, and 17 be diagonal support, and 18 be lifting
Bracket, 19 be socket joint plate, and 20 be clamping plate.
Specific embodiment
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.
Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all
Other embodiments shall fall within the protection scope of the present invention.
The application is described in further detail below by specific embodiment and in conjunction with attached drawing.
In the description of this specification, it is to be understood that "upper", "lower" described in the embodiment of the present application, "left", "right"
The equal nouns of locality are described with angle shown in the drawings, should not be construed as the restriction to the embodiment of the present application.In addition,
In context, it is also necessary to which understanding can not only when mentioning an element and being connected to another element "upper" or "lower"
It is enough connected directly between another element "upper" or "lower", another element "upper" can also be indirectly coupled to by intermediary element
Or "lower".
The embodiment of the present invention provides a kind of historical building wall sectional type cutting disassembling method.
The historical building wall sectional type cutting disassembling method of the application, specifically includes the following steps:
Step 1: whole historical building wall is planned to several unit walls 1 by column, axis relationship.
Specifically, firstly, surveying situation according to live entity, the design drawing of whole face historical building wall is drawn out
Paper；
Then, according to construction design drawing, selection measures instrument, each unit wall is oriented on the metope of historical building wall
1 boundary line (boundary line delimited along wall body vertical brickwork joint), each unit wall include a brick column, a face wall,
One door or window, the height of unit wall are a layer height；
Finally, the cutting line of each blocking wall is popped up on metope with the line of ink marker.
Step 2: according to sequence from left to right, from top to bottom, all unit walls 1 being numbered.
Each unit wall corresponds to only one number.
Step 3: it is mixed that compound L-type being respectively set on each unit wall 1 for being currently located at whole historical building wall top layer
Concrete board (compound L-type concrete slab can be also simply referred to as L wall) 2 forms unit combined wall 3(and builds being currently located at whole history
On the inside of each unit wall of walling body top layer, upper and lower wall is isolated with concrete strengthening, ground beam level respectively, it is multiple to form unit
Close wall), then, temporary support blocks 4 are installed on each unit combined wall；According to number order, according to vertical brickwork joint according to
Secondary cutting simultaneously removes the unit combined wall 3 for being equipped with temporary support blocks 4.
Specifically, compound L-type concrete slab 2 is set on individual unit wall 1, to form the tool of unit combined wall 3
Body step are as follows:
Step 3.1: multiple support slots 7 are equidistantly opened up in the bottom of unit wall 1, as soon as a support slot is often opened up, in the support
A split heads is placed in slot.The height of split heads 8 and the height of support slot 7 match, so that split heads 8 can be effectively supporting upper and lower
Two unit walls 1.
The isolation board 9 of a 5mm thickness is placed with below each split heads.
In the present embodiment, the split heads 8 is made of a cube steel bar framework and two steel plates, and two steel plates are solid respectively
The top and bottom of cube steel bar framework are scheduled on, the area of steel plate is greater than the area of cube steel bar framework top/bottom.When
After split heads 8 is placed in support slot 7, the steel plate at 8 top of split heads is in contact with unit wall 1.
Step 3.2: after the split heads 8 of unit wall bottom places, removing the wall of all split heads neighbours side, make unit wall
Multiple empty slots 10 are formed on 1 bottom of body, and left and right two empty slots are separated by split heads.
Step 3.3: placing the isolation board of a 5mm thickness respectively in each empty slot 10.Isolation board and split heads in empty slot
The isolation board of lower section using same material isolation board, in the present embodiment, below the isolation board and split heads in empty slot
What isolation board used is the PVC plastic backing plate of 5mm thickness, by one layer of plastic mattress between such upper unit wall and lower layer's wall
Plate separates.
Then, spacer bar 11 is sequentially passed through into each split heads, spacer bar 11 and split heads 8 all below unit wall
An entirety is collectively constituted, the support construction 12 of ground beam is constituted.The diameter of ground beam main reinforcement is 12mm,.
The spacer bar 11 is made of multiple stirrups being spacedly distributed, the rod-shaped reinforcing bar being fixed on stirrup, stirrup
Diameter is 8mm, and the spacing between two neighboring stirrup is 150mm, and the diameter of rod-shaped reinforcing bar is 12mm.When spacer bar 11 is worn
After in split heads 8, by spacer bar 11 together with each 8 binding and fixing of split heads, support construction 12 is constituted.Support construction 12
Whole height is not less than 50 centimeters.
Step 3.4: being implanted into tension rib at the back side of unit wall 1, in being spacedly distributed, tension rib diameter is tension rib
8mm, the spacing between two neighboring tension rib are 500mm, then in 1 back side assembling reinforcement mesh sheet of unit wall, reinforced mesh with
Ground beam support construction and wall tie bar carry out binding and fixing.
Reinforced mesh is as longitudinal reinforcement and transverse steel right-angled intersection by mesh sheet made of binding or welding production, horizontal
Diameter to reinforcing bar and longitudinal reinforcement is 10mm, the spacing and two neighboring longitudinal reinforcement between two neighboring transverse steel it
Between spacing be 200mm.
Step 3.5: installation formwork for placing, the upper surface of the formwork for placing and the upper surface of unit wall 1 are flush, pour
The equal length of the length of building mould and the unit wall 1.
Step 3.6: pouring mouth casting concrete from formwork for placing, concrete and support construction 12 combine together to form steel
Reinforced concrete ground beam 13(armored concrete ground beam may be simply referred to as ground beam), concrete and rebar mesh sheet, tension rib combine together shape
At concrete slab 5, armored concrete ground beam 13 and concrete slab 5 collectively form compound L-type concrete slab 2, compound L-type concrete
Plate 2 may be simply referred to as L wall.Compound L-type concrete slab 2 combines together to form unit combined wall 3 with unit wall 1.
The lateral surface retraction wall face of unit wall 1 of the armored concrete ground beam 13, medial surface are from unit wall 1
Back side protrusion.In the present embodiment, 4 centimeters of the wall face of the lateral surface of ground beam 13 retraction unit wall 1, medial surface are from unit wall
Protrude 5 centimeters in 1 back side.Ground beam 13 not only can be used as the supporting table in 1 handling process of unit wall, but also can guarantee unit wall
1 globality.
When casting concrete, built-in fitting 21 can be set at 5 back side of concrete slab, i.e., when compound L-type concrete slab has made
Cheng Hou, the back side of unit combined wall 3 are provided with built-in fitting 6.
In the present embodiment, the top two sides of the formwork for placing used are respectively arranged with a card slot, pour in this way when to this
Placing concrete in template, after concrete slurry solidification, the two sides at 2 top of compound L-type concrete slab of formation will distinguish shape
At a card slot 14.The mouth that pours of formwork for placing pours mouth for 45 °.
Step 3.7: opening up groove (being not drawn into figure) in the upper surface of unit combined wall 3, sealing is installed in groove
Adhesive tape, article rubber water stop, which meets water, can generate expansion, be used for external wall waterproof.In the present embodiment, the longitudinal section of the groove is in inverted trapezoidal,
The shape of article rubber water stop and the shape of groove match.
According to above-mentioned steps 3.1-3.8, it is respectively set on each unit wall for being currently located at historical building wall top layer
The each unit wall of top layer is reinforced into unit combined wall 3 by compound L-type concrete slab 2 respectively.
After unit combined wall is made, a temporary support blocks 4 are installed respectively on each unit combined wall 3, it should
Device can temporary support, lifting elements combined wall 3 will not be to the wall face of unit combined wall and when the device is installed
And wall body structure damages.
The temporary support blocks 3 include lifting fender bracket and door and window strengthening support 15.
The lifting fender bracket includes bottom bracket 16, diagonal support 17 and hoisting bracket 18.
The side of the bottom bracket 16 is extended to insert the socket joint plate 19 below unit combined wall, described to hold
The end of plate 19, which is hingedly fixed with, to be overturn above and below relative to socket joint plate 19 to clamp the clamping of the unit combined wall 3
Plate 20.The length of the socket joint plate 19 is 20-30 centimeters bigger than thickness of wall body, and the length of clamping plate 20 is 20-30 centimeters, i.e. socket joint
The length of plate 19 is equal to the sum of the length of 3 thickness of wall body of unit combined wall and clamping plate 20.
The diagonal support 17 is fixed on bottom bracket 16.Hoisting bracket 18 is horizontally fixed on the top of diagonal support 17
Portion, hoisting bracket 18 are made of a steel type frame and the lifting lug being fixed on steel type frame.There are four lifting lug settings, respectively
It is fixed on four corners of hoisting bracket.
In order to increase the overall structural strength of hoisting bracket 18, can consolidate between the diagonal support 17 and bottom bracket 16
Determine reinforcing rod.
The door and window strengthening support 15 is arranged in the door window inner frame of unit combined wall 3.The door and window strengthening support 15 includes
Rectangular frame and the Crossing brace being arranged in rectangular frame.
When temporary support blocks 4 are installed, specifically comprise the following steps: the socket joint plate 19 of temporary support blocks to be installed
It is interspersed in the wall below ground beam；Then, clamping plate 20 is hingedly fixed in the end of socket joint plate 19, overturns clamping plate 20,
Unit combined wall 3 can be clipped between clamping plate 20 and diagonal support 17.
According to above-mentioned installation steps, successively installed on each unit combined wall for being currently located at historical building wall top layer
Temporary support blocks 4 successively cut then according to the number order of each wall and remove the unit for being equipped with temporary support blocks
Combined wall 3.
When cutting is currently located at each unit combined wall of whole historical building wall top layer, in unit combined wall 3
Guiding ruler or conduit are put at cutting line, it is then, longitudinal sectional along guiding ruler or conduit progress using cutting machine, in the present embodiment, specifically may be used
Longitudinal sectional using the progress of chain saw cutting mode, this cutting mode is without friction in the construction process, noiseless, pollution-free, and constructs
It is high-efficient, safety is good.Finally, the suspension hook of crane is fixed on the hoisting bracket of temporary support blocks, start crane, it will be single
First combined wall is hung from the historical building wall.
Step 4: repeating step 3, the wall of the historical building wall other floors is cut.What is cut down is each
Unit combined wall remains transport, installation.
Below by the specific embodiment that herein described method is specifically described in detail.
Assuming that certain historical building has five floors, which is divided into 39 unit walls by us
Body, each unit wall include a brick column, a face wall, a door or window, and the height of unit wall is a layer height.
Then, according to sequence from left to right, from top to bottom, all unit walls are numbered, i.e. top layer the (the 5th
Layer) 3 unit walls are shared, it is followed successively by No. 1 unit wall, No. 2 unit walls and No. 3 unit walls from left to right；4th layer
Unit wall be followed successively by No. 12 No. 4 unit walls, No. 5 unit walls ... unit walls, and so on.
Then, according to the unit wall of division, historical building wall is cut.
Specifically, the L wall (manufacturing process of L wall institute as above is respectively set on 3 unit walls of top layer (layer 5)
State), this 3 unit walls are successively reinforced as No. 1 unit combined wall, No. 2 unit combined walls, No. 3 unit combined walls；
Then, on this 3 unit combined walls a temporary support blocks 4 are installed respectively (installation process of temporary support blocks is such as
It is upper described), after all temporary support blocks 4 install, according to number order, successively cuts from left to right and remove No. 1
Unit combined wall, No. 2 unit combined walls and No. 3 unit combined walls.3 unit combined walls of top layer are respectively cut,
It after removal, repeats the above steps, successively the wall of the 4th layer, third layer ... first layer is cut and removed.
It carries out all unit combined walls 3 transport that cutting obtains the process such as to repair to factory.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (10)
1. a kind of historical building wall sectional type cutting disassembling method, which is characterized in that specifically includes the following steps:
Step 1: whole face historical building wall being intended to be divided into several unit walls；
Step 2: all unit walls are orderly numbered；
Step 3: compound L-type concrete slab being respectively set on each unit wall for being currently located at historical building wall top layer and is formed
Unit combined wall installs temporary support blocks on each unit combined wall；According to number order, successively cuts and remove peace
Unit combined wall equipped with temporary support blocks；
Step 4: repeating step 3, according to number order, the wall of the historical building wall other floors is orderly cut
It cuts.
2. historical building wall sectional type cutting disassembling method according to claim 1, which is characterized in that will in step 1
The quasi- specific steps for being divided into several unit walls of whole face historical building wall are as follows:
Firstly, surveying situation according to live entity, the construction design drawing of whole face historical building wall is drawn out；
Then, according to construction design drawing, selection measures instrument, each unit wall is oriented on the metope of historical building wall
Body, the cutting line of each unit wall is popped up with the line of ink marker on metope, and the cutting line delimited along wall body vertical brickwork joint.
3. historical building wall sectional type cutting disassembling method according to claim 1, which is characterized in that in step 3
The specific steps that compound L-type concrete slab forms unit combined wall are set on individual unit wall are as follows:
Step 3.1: multiple support slots are equidistantly opened up in the bottom of unit wall, as soon as a support slot is often opened up, in the support slot
One split heads of interior placement；Place an isolation board in lower section；Each split heads must effectively supporting upper and lower brick wall wall；
Step 3.2: removing the wall of all split heads neighbours side, unit wall bottom is made to form multiple empty slots separated by split heads；
Step 3.3: placing an isolation board respectively in each empty slot, then, spacer bar is sequentially passed through into each split heads, structure
At the support construction of ground beam；
Step 3.4: being implanted into tension rib at the back side of unit wall, then in unit wall back side assembling reinforcement mesh sheet, reinforced mesh
Binding and fixing are carried out with support construction and wall tie bar；
Step 3.5: installation formwork for placing, the upper surface of the formwork for placing and the upper surface of unit wall are flush；
Step 3.6: pouring mouth casting concrete from formwork for placing, concrete and ground beam support construction combine together to form reinforcing bar
Concrete ground beam, concrete and rebar mesh sheet, tension rib combine together to form concrete slab, armored concrete ground beam and concrete
Plate collectively forms compound L-type concrete slab, and compound L-type concrete slab and unit wall combine together to form unit combined wall,
The wall face of the lateral surface retraction unit wall of the armored concrete ground beam, the back side of medial surface from unit wall are convex
Out；
Step 3.7: opening up groove in the upper surface of unit combined wall, article rubber water stop is installed in groove.
4. historical building wall sectional type cutting disassembling method according to claim 1, which is characterized in that cut in step 3
Cut the specific steps for being equipped with the unit combined wall of temporary support blocks are as follows:
Firstly, putting guiding ruler or conduit at the cutting line of unit combined wall；Then, using cutting machine along guiding ruler or conduit into
Row is longitudinal sectional.
5. historical building wall sectional type cutting disassembling method according to claim 1 or 4, which is characterized in that described to face
When supporting arrangement include lifting fender bracket and the door and window strengthening support that is arranged in unit combined wall door window inner frame；
The lifting fender bracket includes bottom bracket, the diagonal support being fixed on bottom bracket and is horizontally fixed on diagonal brace
The hoisting bracket of cradle top, the side of the bottom bracket are extended to insert in the intracorporal socket joint plate of unit composite wall,
The end of the socket joint plate, which is hingedly fixed with, can overturn above and below relative to socket joint plate to clamp the clamping of the unit combined wall
Plate.
6. historical building wall sectional type cutting disassembling method according to claim 5, which is characterized in that the lifting branch
Lifting lug is provided at the top of frame, lifting lug center offers lifting hole(eyelet).
7. historical building wall sectional type cutting disassembling method according to claim 6, which is characterized in that the lifting lug is set
There are four setting, it is separately fixed at four corners of hoisting bracket.
8. historical building wall sectional type cutting disassembling method according to claim 5, which is characterized in that the door and window adds
Gu supportting the Crossing brace that (2) include rectangular frame and are arranged in rectangular frame.
9. historical building wall sectional type cutting disassembling method according to claim 1, which is characterized in that each blocking
Wall includes a brick column, a face wall, a door or window, and the height of blocking wall is a layer height.
10. historical building wall sectional type cutting disassembling method according to claim 1, which is characterized in that each unit
Change wall and corresponds to only one number.
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| CN113279606A (en) * | 2021-06-28 | 2021-08-20 | 五矿二十三冶建设集团有限公司 | Brick-concrete wall packaging and dismantling mechanism and method |
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|---|---|---|---|---|
| CN112983039A (en) * | 2021-02-25 | 2021-06-18 | 上海明悦建筑设计事务所有限公司 | Construction method for integral dismantling protection of reserved vertical face of historical building |
| CN113338664A (en) * | 2021-06-22 | 2021-09-03 | 浙江风土工程设计有限公司 | Ancient building wall migration method |
| CN113279606A (en) * | 2021-06-28 | 2021-08-20 | 五矿二十三冶建设集团有限公司 | Brick-concrete wall packaging and dismantling mechanism and method |
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| CN110284729B (en) | 2021-05-07 |
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