CN209040598U - It is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete - Google Patents
It is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete Download PDFInfo
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Abstract
The utility model discloses a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, for to including upper layer floor, upper wall, vertical wall to be removed between lower layer's floor and upper and lower level floor carries out auxiliary off-load, including the first crossbar for fixing upper wall, cross bar passes through upper wall, it is equipped with the first diagonal brace between first crossbar and upper wall contact position and upper layer floor and shares load to upper floor plate to form triangular structure, the both ends of first crossbar are all connected with vertical bar, bottom horizontal support piece is fixed in vertical bar bottom, bottom horizontal support piece is set to lower floor plate top surface with the load transmission of transmitting vertical bar to lower layer's floor；It is equipped with the second diagonal brace in the middle part of vertical bar, the second diagonal brace bottom end connects lower layer's floor with the load transmission of transmitting vertical bar to lower layer's floor；The vertical bar lower end is equipped with pressure sensor, and pressure sensor connects computer, the load pressure value that monitoring vertical bar is born.This auxiliary relief arrangement simple structure is easy, and connection type is solid and reliable, strengthens the stiffness and strength of node.
Description
Technical field
The utility model belongs to building field, and in particular to a kind of for exempting from the auxiliary of supporting methods displacement shear wall concrete
Relief arrangement.
Background technique
Shear wall is the load-carrying members being commonly used in high-rise, small high-rise house, and in current high level, small high-rise house
During building, it will usually because various construction problems cause the concrete strength of shear wall that standard is not achieved, seriously affect
The security performance of monolithic architecture needs to pour shear wall again when meeting with such case, this just needs to realize to cutting
The concrete of power wall is removed, and since dismantling concrete needs powerful load support as supplementary means, at present
What is generallyd use in construction is still to reinforce to shear wall, avoids removing underproof shear wall concrete.
In existing open source literature, it is such a right that the Chinese utility model of Publication No. CN107401232A discloses
Shear wall concrete carries out the device of assist removal, is mainly supported by beam column construction to upper and lower level floor, Jin Ershi
The off-load of existing shear wall structure, and then concrete structure dismounting can be carried out to shear wall.
In existing open source literature, the Chinese utility model patent of Publication No. CN103866979A discloses a kind of turn
A layer discharging type formwork system construction is changed, the bracket mainly built by upright bar and horizon bar carries out auxiliary to shear wall and unloads
Lotus.
Above two open source literatures present the householder method for carrying out off-load to shear wall in the prior art, cannot solve
Certainly the problem of, includes at least, and 1) stability characteristic (quality) possessed by the floor of upper layer is not made full use of, the wall on the floor of upper layer
Load distribution is excessively concentrated, and is required transverse bar member and vertical bar big；2) load pressure in unloading process cannot be monitored in time
Power is unfavorable for the safety of entire work progress；3) it is directed to the shear wall of a variety of situations, does not propose the solution of difference.
In view of the above problems, the application proposes that a kind of auxiliary off-load for exempting from supporting methods displacement shear wall concrete fills
It sets.
Utility model content
The problem of assisting unloading process for existing shear wall, present applicant proposes one kind for exempting from supporting methods
The auxiliary relief arrangement of shear wall concrete is replaced, which employs the settings of a variety of load supports, by shear wall and dependency structure
Uniform load distribution, while can real-time monitoring load data, and handled respectively for interior wall and two kinds of outer ring situation,
The application is made of following scheme:
It is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, for include upper layer floor,
Vertical wall to be removed between layer wall, lower layer's floor and upper and lower level floor carries out auxiliary off-load, including for fixing upper layer
The first crossbar of wall, cross bar pass through upper wall, and the is equipped between first crossbar and upper wall contact position and upper layer floor
One diagonal brace shares load to upper floor plate to form triangular structure, and the both ends of first crossbar are all connected with vertical bar, vertical bar bottom
It is fixed on bottom horizontal support piece, the load transmission that bottom horizontal support piece transmits vertical bar set on lower floor plate top surface is under
Floor plate；It is equipped with the second diagonal brace in the middle part of vertical bar, the second diagonal brace bottom end connects lower layer's floor with the load transmission of transmitting vertical bar extremely
Lower layer's floor；
The vertical bar lower end is equipped with pressure sensor, and pressure sensor connects computer, the load that monitoring vertical bar is born
Pressure value.
The first crossbar and vertical bar junction, vertical bar and the second diagonal brace junction, vertical bar and bottom horizontal support piece connect
The place of connecing is equipped with longitudinal rod to guarantee to assist the overall stability of relief arrangement planar.
The first crossbar and vertical bar junction, vertical bar and the second diagonal brace junction, vertical bar and bottom horizontal support piece connect
The longitudinal rod at the place of connecing is respectively first longitudinal direction bar, second longitudinal direction bar and third longitudinal rod, and longitudinal rod further includes being connected to vertical bar
The assistant longitudinal bar of several equidistant intervals setting, to maintain.
The first crossbar, vertical bar and first longitudinal direction bar junction, vertical bar, the second diagonal brace and second longitudinal direction bar junction,
Vertical bar, bottom horizontal support piece are all made of fastener with third longitudinal rod junction and connect.
The second floor top layer is equipped with restraint slot to fix the relative position of the second diagonal brace and the second floor.
The vertical bar include it is multiple, multiple vertical bars are symmetrically disposed on the two sides of vertical wall to be removed.
First diagonal brace is all connected with first crossbar junction and the first diagonal brace with vertical bar junction.
The bottom horizontal support piece is rod piece or fashioned iron.
The implementation steps of the utility model include:
1) the multiple first lateral holes are dug out in upper wall root, multiple holes flush and spacing is equal, are evenly distributed on wall
In body；On upper layer, floor digs out multiple vertical holes passed through for vertical bar；The multiple second lateral holes are dug out in lower layer's wall root；
2) multiple first crossbars are passed through into the multiple first lateral hole in step 1), multiple vertical bars is passed through in step 1) upper
Multiple vertical holes passed through for vertical bar that floor plate is dug out, the upper end of vertical bar and the end of first crossbar are connected；By first
The upper end of diagonal brace is connect with first crossbar, the lower end of the first diagonal brace and vertical bar lock ring；By the upper of first longitudinal direction bar and vertical bar
End, the first diagonal brace upper end, first crossbar connection；
3) multiple bottom horizontal support pieces are passed through to the multiple second lateral holes dug out in step 1), by the lower end of vertical bar with
The connection of bottom horizontal support piece；The lower end of third longitudinal rod and vertical bar, bottom horizontal support piece are connected；
4) it will be connect in the middle part of the upper end of the second diagonal brace and vertical bar, the second floor be tightly attached in the lower end of the second diagonal brace；
Second longitudinal direction bar is connect with vertical bar middle part, the second diagonal brace upper end；
5) by the upper layer floor of upper wall and upper layer buckle contact position along the forced forced portion of formation of the foot of a wall of upper wall；
6) it removes band and removes wall；
7) packing material is used, such as concrete fills the multiple first lateral holes and multiple second lateral holes.
The device is mainly used in the correlation engineering for exempting from that displacement method is supported to reinforce shear wall, by upper layer shear wall and its held
The load received reaches bottom support bracket by Force transmission parts such as horizon bar, vertical bars, then load is transferred to the floor by support
Plate.It is so-called to exempt to support displacement method, i.e., it is removed in batches according to the technology arrangement and method for construction pre-established to wall need to be replaced, it
Arrangement reinforcing bar successively is carried out to removed wall afterwards, interfacial agents, formwork is applied, the series of process such as pours, is completed mixed to the wall
Coagulate the displacement of soil.It does not need to set up support in replacement process.The utility model is the auxiliary device of the reinforcement means, can both be held
By the reinforcing process imposed load that wall is likely to occur at the middle and upper levels, and the case where upper wall load transmits can be monitored at any time,
Further enhance safety, the reliability of strengthening construction process.
Detailed description of the invention
Fig. 1 is 1 overall structure diagram of embodiment,
Fig. 2 is 2 overall structure diagram of embodiment.
In figure, 101, upper wall, the 1011, first lateral hole, 102, interior wall to be removed, 104, exterior wall to be removed,
1021, the second lateral hole, 103, lower layer's wall, 201, upper layer floor, 202, lower layer's floor, 2011, vertical hole, 2012, forced
Portion, 301, first crossbar, 302, bottom horizontal support piece, 400, vertical bar, the 501, first diagonal brace, the 502, second diagonal brace, 601,
One longitudinal rod, 602, second longitudinal direction bar, 603, third longitudinal rod, 700, reinforcing bar threading.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
It should be pointed out that the orientation word in following embodiment is described with reference to the accompanying drawings.
Embodiment 1
It is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, for include upper layer floor 201,
Vertical wall to be removed between upper wall, lower layer's floor 202 and upper and lower level floor 202 carries out auxiliary off-load, including is used for
The first crossbar 301 of fixed upper wall, cross bar pass through upper wall, first crossbar 301 and upper wall contact position and upper layer
It is equipped with the first diagonal brace 501 between floor 201 and shares load to upper floor plate 201, first crossbar 301 to form triangular structure
Both ends be all connected with vertical bar 400, bottom horizontal support piece 302 is fixed in 400 bottom of vertical bar, and bottom horizontal support piece 302 is set
In 202 top surface of lower layer's floor with the load transmission of transmitting vertical bar 400 to lower layer's floor 202；Second is equipped in the middle part of vertical bar 400 tiltedly
Support 502,502 bottom end of the second diagonal brace connect lower layer's floor 202 with the load transmission of transmitting vertical bar 400 to lower layer's floor 202；
400 lower end of vertical bar is equipped with pressure sensor, and pressure sensor connects computer, and monitoring vertical bar 400 is born
Load pressure value.
The first crossbar 301 and 502 junction of 400 junction of vertical bar, vertical bar 400 and the second diagonal brace, vertical bar 400 and bottom
Horizontal support piece 302 junction in portion's is equipped with longitudinal rod to guarantee to assist the overall stability of relief arrangement planar.
The first crossbar 301 and 502 junction of 400 junction of vertical bar, vertical bar 400 and the second diagonal brace, vertical bar 400 and bottom
The longitudinal rod of 302 junction of portion's horizontal support piece is respectively first longitudinal direction bar 601, second longitudinal direction bar 602 and third longitudinal rod
603, longitudinal rod further includes the assistant longitudinal bar for being connected to several equidistant intervals setting of vertical bar 400.
The first crossbar 301, vertical bar 400 and 601 junction of first longitudinal direction bar, vertical bar 400, the second diagonal brace 502 and the
Two longitudinal rods, 602 junction, vertical bar 400, bottom horizontal support piece 302 and 603 junction of third longitudinal rod are all made of fastener company
It connects.
For the vertical bar 400 including multiple, multiple vertical bars 400 are symmetrically disposed on the two sides of vertical wall to be removed.
First diagonal brace 501 is all connected with 301 junction of first crossbar and the first diagonal brace 501 with 400 junction of vertical bar.
The bottom horizontal support piece 302 is rod piece or fashioned iron.
The second floor top layer is equipped with restraint slot to fix the relative position of the second diagonal brace 502 and the second floor, at this
In embodiment, restraint slot is parallel to wall setting to be removed.
The implementation steps of the present embodiment include:
1) the multiple first lateral holes 1011 are dug out in upper wall root, multiple holes flush and spacing is equal, multiple holes away from
From upper layer floor 201 with a certain distance from；On upper layer, floor 201 digs out the vertical hole 2011 passed through for vertical bar 400；Wait tear open
Except vertical the foot of a wall portion digs out the multiple second lateral holes 1021；The present apparatus destroys original structure small, it is only necessary to this layer of attic plate and
Shear wall drills through hole, and steel bar positioning instrument can be used and orient reinforcement location in component, and when drilling avoids floor and shearing as far as possible
Wall reinforcing bar can reduce the destruction to original structure to the maximum extent.
2) multiple first crossbars 301 are passed through to the lateral hole 1011 of multiple first dug out in step 1), by multiple vertical bars 400
In the vertical hole 2011 passed through for vertical bar 400 that upper layer floor 201 is dug out in step 1), by the upper end of vertical bar 400 with
The end of first crossbar 301 connects；The upper end of first diagonal brace 501 is connect with first crossbar 301, under the first diagonal brace 501
End and 400 lock ring of vertical bar；By upper end, 501 upper end of the first diagonal brace, first crossbar 301 of first longitudinal direction bar 601 and vertical bar 400
Connection；
3) multiple bottom horizontal support pieces 302 are passed through to the lateral hole 1021 of multiple second dug out in step 1), by vertical bar
400 lower end is connect with bottom horizontal support piece 302；By the lower end of third longitudinal rod 603 and vertical bar 400, bottom cross-brace
Part 302 connects；
4) it will be connected in the middle part of the upper end of the second diagonal brace 502 and vertical bar 400, the lower end of the second diagonal brace 502 be tightly attached to
Second floor；Second longitudinal direction bar 602 is connect with 400 middle part of vertical bar, 502 upper end of the second diagonal brace；
5) upper wall and the upper layer floor 201 of upper layer buckle contact position is forced along the foot of a wall of upper wall；
6) it removes band and removes wall；
In the present embodiment, processing operating condition is removed below with reference to a typical interior wall to be introduced:
It is upper layer floor 201 above interior wall 102 to be removed, lower section is lower layer's floor 202, and 201 top of upper layer floor is also
There are lower layer's wall 103 in upper wall, the lower section of lower layer's floor 202, and upper wall, interior wall to be removed 102 and lower layer box body are in
Same vertical plane, wall thickness 200mm.
The implementation steps of the present embodiment include:
1) it digs out that 5 first lateral 1011,5, hole holes flush and spacing is equal in upper wall root, is evenly distributed on
In wall, 5 first lateral 1011 upper vertex of hole are apart from upper layer floor 201400mm；On upper layer, floor 201 digs out 10 use
In the vertical hole 2011 that vertical bar 400 passes through；5 second lateral holes 1021 are dug out in 104 root of exterior wall to be removed；
2) 5 first crossbars 301 are passed through into 5 first lateral holes 1011 in step 1), 10 vertical bars 400 is passed through into step
1) in 10 vertical holes 2011 passed through for vertical bar 400 that upper layer floor 201 is dug out in, by the upper end of vertical bar 400 and first
The end of cross bar 301 is connected using fastener；The upper end of first diagonal brace 501 is connect with first crossbar 301 using fastener, first
The lower end of diagonal brace 501 and 400 lock ring of vertical bar；By the upper end of first longitudinal direction bar 601 and vertical bar 400,501 upper end of the first diagonal brace,
First crossbar 301 is connected using fastener；
3) 5 bottom horizontal support pieces 302 are passed through to the lateral hole 1021 of 5 second dug out in step 1), by vertical bar 400
Lower end and bottom horizontal support piece 302 connect using fastener；The lower end of third longitudinal rod 603 and vertical bar 400, bottom is lateral
Supporting element 302 is connected using fastener；
4) fastener is used to connect in the middle part of vertical bar 400 upper end of second diagonal brace 502, by the lower end of the second diagonal brace 502
It is tightly attached to the second floor in portion；Second longitudinal direction bar 602 is connect with 400 middle part of vertical bar, 502 upper end of the second diagonal brace using fastener；
5) upper wall and the upper layer floor 201 of upper layer buckle contact position is forced along the foot of a wall of upper wall, forced portion
2012 width 100mm；
6) it removes band and removes wall；
7) packing material is used, such as concrete fills the lateral hole 1021 in 5 first lateral holes 1011 and 5 second.
More specifically, in the present embodiment, first crossbar 301, bottom horizontal support piece 302, first longitudinal direction bar 601,
Two longitudinal rods 602, third longitudinal rod 603, vertical bar 400, the first diagonal brace 501 and the second diagonal brace 502 are all made of 48 steelframe bar of φ.
In the present embodiment, upper layer shear wall and its load born are passed through into the first cross using auxiliary relief arrangement
Bar 301, vertical bar 400, the first diagonal brace 501 Force transmission parts reach bottom horizontal support piece 302, then by bottom horizontal support piece
302 and second diagonal brace 502 load is transferred to lower layer's floor 202.It is so-called exempt from support displacement method, i.e., to need to replace wall according to
The technology arrangement and method for construction pre-established is removed in batches, is successively carried out arrangement reinforcing bar to removed wall later, is applied interface
Agent, formwork such as pour at the series of process, complete the displacement to the walls concrete.It does not need to set up support in replacement process.
Relief arrangement disclosed in the present embodiment, can both bear reinforcing process at the middle and upper levels wall be likely to occur it is additional
Load, and the case where upper wall load transmits can be monitored at any time by pressure sensor, further enhance strengthening construction
The safety of process, reliability.
Embodiment 2
In embodiment 2, processing operating condition is removed in conjunction with a typical exterior wall and is introduced:
It is upper layer floor 201 above exterior wall 104 to be removed, lower section is lower layer's floor 202, and 201 top of upper layer floor is also
There are lower layer's wall 103 in upper wall, the lower section of lower layer's floor 202, and upper wall, exterior wall to be removed 104 and lower layer box body are in
Same vertical plane, wall thickness 200mm.
Embodiment 2 difference from example 1 is that, bottom horizontal support piece 302 use 116 fashioned iron, the first diagonal brace
501 settings and the inside of exterior wall, share 5,5 the second diagonal braces 502 use fastener connect vertical bar 400 and lower layer's floor 202 with
Vertical supporting rod 400.
In step 3), bottom horizontal support piece 302 uses fashioned iron, is anchored in down fashioned iron binding with reinforcing bar threading 700
Portion's floor；
Specifically, fashioned iron uses I16 fashioned iron, fashioned iron binding is anchored on bottom plate with C25 reinforcing bar threading 700.
As can be seen from the above embodiments, the usefulness of the utility model gone out embodied in embodiment 1,2 are as follows:
1, the utility model is directed to the different structural form of the design of inner, external wall concrete.When wall need to be replaced
When for interior wall, 400 threading of vertical bar, cross bar wears upper wall, connects at node.Longitudinal rod, bottom setting are set in the middle part of vertical bar 400
First diagonal brace 501；When need to replace wall is exterior wall, it is arranged except above section need to also be set up in plane in bottom of upright rod along steel pipe
Fashioned iron binding together every 500mm setting is anchored on bottom plate with C25 reinforcing bar threading 700 by I16 fashioned iron；This point of situation and
The auxiliary relief arrangement simple structure of design is easy, and connection type is solid and reliable, strengthens the stiffness and strength of node.
2, the disclosed auxiliary relief arrangement of embodiment 1,2 destroys floor and wall original structure small, it is only necessary to the layer top
Floor and shear wall drill through hole, can reduce the destruction to original structure to the maximum extent.
3, the disclosed auxiliary relief arrangement of embodiment 1,2 is arranged along wall, therefore load is transferred to floor close to shearing
On the support of wall side, load transmitting herein is more closely similar to top line load and is transferred directly to vertical member at support (to shear
Wall), rather than (floor) is acted on flexural member, the transmitting of load is more reasonable, safely, effectively from theory significance.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (8)
1. it is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, for including upper layer floor, upper layer
Vertical wall to be removed between wall, lower layer's floor and upper and lower level floor carries out auxiliary off-load, which is characterized in that including being used for
The first crossbar of fixed upper wall, cross bar pass through upper wall, first crossbar and upper wall contact position and upper layer floor it
Between be equipped with the first diagonal brace and to form triangular structure share load to upper floor plate, the both ends of first crossbar are all connected with vertical bar,
Bottom horizontal support piece is fixed in vertical bar bottom, and bottom horizontal support piece is set to load of the lower floor plate top surface to transmit vertical bar
It is transferred to lower layer's floor；The second diagonal brace is equipped in the middle part of vertical bar, the second diagonal brace bottom end connects load of lower layer's floor to transmit vertical bar
Lotus is transferred to lower layer's floor；
The vertical bar lower end is equipped with pressure sensor, and pressure sensor connects computer, the load pressure that monitoring vertical bar is born
Value.
2. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
It is, the first crossbar and vertical bar junction, vertical bar and the second diagonal brace junction, vertical bar and bottom horizontal support piece junction
Longitudinal rod is equipped with to guarantee to assist the overall stability of relief arrangement planar.
3. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
It is, the first crossbar and vertical bar junction, vertical bar and the second diagonal brace junction, vertical bar and bottom horizontal support piece junction
Longitudinal rod be respectively first longitudinal direction bar, second longitudinal direction bar and third longitudinal rod, longitudinal rod further includes be connected to vertical bar several
The assistant longitudinal bar of a equidistant interval setting.
4. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
It is, the first crossbar, vertical bar and first longitudinal direction bar junction, vertical bar, the second diagonal brace and second longitudinal direction bar junction, erects
Bar, bottom horizontal support piece are connect using fastener with third longitudinal rod junction.
5. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
Be, first diagonal brace include it is multiple, multiple first diagonal braces are symmetrically disposed on the two sides of vertical wall to be removed；
Second diagonal brace includes report, and multiple second diagonal braces are symmetrically disposed on the two sides or side of vertical wall to be removed.
6. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
Be, the vertical bar include it is multiple, multiple vertical bars are symmetrically disposed on the two sides of vertical wall to be removed.
7. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
It is, first diagonal brace is all connected with first crossbar junction and the first diagonal brace with vertical bar junction.
8. as described in claim 1 a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete, feature
It is, the bottom horizontal support piece is rod piece or fashioned iron.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821777808.0U CN209040598U (en) | 2018-10-30 | 2018-10-30 | It is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821777808.0U CN209040598U (en) | 2018-10-30 | 2018-10-30 | It is a kind of for exempting from the auxiliary relief arrangement of supporting methods displacement shear wall concrete |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318556A (en) * | 2019-07-19 | 2019-10-11 | 江苏东南特种技术工程有限公司 | It is a kind of novel without support displacement shear wall concrete apparatus and method |
| CN112211426A (en) * | 2020-09-09 | 2021-01-12 | 上海建工一建集团有限公司 | Method for repairing historical buildings |
| CN115387635A (en) * | 2022-09-29 | 2022-11-25 | 中建八局第一建设有限公司 | System for preventing concrete flat slab floor basement overload collapses |
-
2018
- 2018-10-30 CN CN201821777808.0U patent/CN209040598U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318556A (en) * | 2019-07-19 | 2019-10-11 | 江苏东南特种技术工程有限公司 | It is a kind of novel without support displacement shear wall concrete apparatus and method |
| CN110318556B (en) * | 2019-07-19 | 2023-07-14 | 江苏东南特种技术工程有限公司 | Device and method for replacing shear wall concrete without support |
| CN112211426A (en) * | 2020-09-09 | 2021-01-12 | 上海建工一建集团有限公司 | Method for repairing historical buildings |
| CN112211426B (en) * | 2020-09-09 | 2022-06-21 | 上海建工一建集团有限公司 | Method for repairing historical building |
| CN115387635A (en) * | 2022-09-29 | 2022-11-25 | 中建八局第一建设有限公司 | System for preventing concrete flat slab floor basement overload collapses |
| CN115387635B (en) * | 2022-09-29 | 2023-07-25 | 中建八局第一建设有限公司 | System for preventing concrete girderless floor basement from overload collapse |
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Effective date of registration: 20200817 Address after: 250031 Shandong Province Flyover District of Ji'nan City Road 29. Patentee after: Shandong Academy of Building Science Co.,Ltd. Address before: 250031 Shandong city of Ji'nan province WuYingShan Road No. 29 Patentee before: SHANDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH |