CN111021771B - Construction method for replacing original building structure with steel structure - Google Patents
Construction method for replacing original building structure with steel structure Download PDFInfo
- Publication number
- CN111021771B CN111021771B CN201911350866.4A CN201911350866A CN111021771B CN 111021771 B CN111021771 B CN 111021771B CN 201911350866 A CN201911350866 A CN 201911350866A CN 111021771 B CN111021771 B CN 111021771B
- Authority
- CN
- China
- Prior art keywords
- steel
- original building
- building structure
- columns
- original
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/08—Wrecking of buildings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention provides a construction method for replacing an original building structure with a steel structure, and belongs to the technical field of building construction. The method comprises the following steps: s1: determining the distribution positions of steel columns; s2: judging whether the steel structure interferes with the original building structure, if so, executing S3; if not, go to S5; s3: judging whether the supporting force of the original building structure in the interference area to the original building structure is smaller than a preset supporting force, if so, executing S4; if not, go to S5; s4: dismantling the original building structure of the interference area; s5: building a steel structure according to the sequence from bottom to top; s6: judging whether the height of the steel structure is equal to a preset height or not, and if so, executing S7; if not, go to S5; s7: and dismantling the rest original building structures according to the sequence from top to bottom. The method can not only meet the requirement of not changing the original building appearance and the building distribution condition, but also ensure the safety and high efficiency of the whole construction process.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method for replacing an original building structure with a steel structure.
Background
With the development of economy and the planning of cities, some original buildings need to be replaced by new buildings due to long service life.
However, since some original buildings are located in urban areas, in order to not change the original appearance and distribution of the buildings in the urban areas, some places require that the original buildings are completely removed and then new buildings are rebuilt. At present, no better solution to the problem exists.
Disclosure of Invention
The invention provides a construction method for replacing an original building structure by a steel structure, which aims to solve the problem that the original building is not allowed to be completely dismantled and then a new building is rebuilt.
In order to solve the technical problems, the invention provides a construction method for replacing an original building structure by a steel structure, wherein the steel structure comprises steel columns and steel beams, the steel columns are arranged perpendicular to the ground, and the steel beams are used for supporting the steel structure; the construction method comprises the following steps:
s1: determining the distribution positions of the steel columns according to a preset planned area of a new building, wherein the difference value between the planned area and the area of a region surrounded by the steel columns is smaller than a preset threshold value;
s2: judging whether the steel structure is interfered with the original building structure or not, and if so, executing S3; if not, go to S5;
s3: judging whether the supporting force of the original building structure in the interference area to the original building structure is smaller than a preset supporting force, if so, executing S4; if not, go to S5;
s4: dismantling the original building structure of the interference area according to the sequence from top to bottom;
s5: building the steel structure according to the sequence from bottom to top;
s6: judging whether the height of the steel structure is equal to a preset height or not, and if so, executing S7; if not, executing the S5;
s7: and dismantling the rest original building structures according to the sequence from top to bottom.
Optionally, between S3 and S4, further comprising:
and installing a first temporary steel beam at a preset distance position away from the interference area, wherein the first temporary steel beam is used for supporting the original building structure which is not dismantled.
Optionally, the original building structure of the interference area includes a first interference area extending in a direction perpendicular to the ground and penetrating through the original building structure, and the first interference area is removed to form a channel perpendicular to the ground; the S5 specifically includes:
lifting the steel column and the steel beam to the top of the original building structure by using lifting equipment;
lowering the steel column and the steel beam to an installation position along the channel;
and installing the steel columns and the steel beams layer by layer according to the sequence from bottom to top.
Optionally, the steel beams include a first permanent steel beam and a second temporary steel beam for supporting the steel structure, the first permanent steel beam is not removed after the first permanent steel beam is installed, and the second temporary steel beam needs to be removed after the original building is completely removed; the S5 specifically includes:
constructing the steel column from bottom to top;
judging whether the first permanent steel beam needs to be installed between the two steel columns or not according to the structural characteristics of the steel structure; if the first permanent steel beam needs to be installed between the two steel columns, judging whether the original building structure exists between the two steel columns, and if the original building structure exists between the two steel columns, installing a second temporary steel beam between the two steel columns; and if the original building structure does not exist between the two steel columns, installing the first permanent steel beam between the two steel columns.
Optionally, after the S7, the method further includes:
and according to the structural characteristics of the steel structure, additionally installing the second permanent steel beam for supporting the steel structure at a preset position.
Optionally, after the step of additionally installing the second permanent steel beam for supporting the steel structure at a preset position, the construction method further includes:
laying prefabricated profiled steel sheets on the steel beams of each floor;
and pouring concrete on the profiled steel sheet to form the composite floor slab.
Optionally, the original building structure is a concrete structure, and the interference area includes a concrete column and/or a floor slab.
Optionally, the S4 specifically includes:
cutting the concrete structure into blocky structures with preset sizes according to the sequence from top to bottom;
the block is transported to the ground by means of a lifting device.
According to the construction method for replacing the original building structure by the steel structure, the steel structure is built before the original building structure is not completely dismantled, and then all the original building structures are dismantled, so that the original building appearance and building distribution condition are not changed, and the whole construction process is safe and efficient.
Drawings
FIG. 1 is a schematic flow chart of a construction method for replacing an original building structure by a steel structure according to the present invention;
FIG. 2 is a schematic top view of an existing building structure provided by the present invention;
FIG. 3 is a schematic front view of an existing building structure provided by the present invention;
FIG. 4 is a schematic structural view of an existing building structure provided with a first temporary steel beam according to the present invention;
FIG. 5 is a schematic view of the distribution of steel columns included in a steel structure according to the present invention;
FIG. 6 is a schematic view of a hole being made in an existing building structure;
FIG. 7 is a schematic view of hoisting steel columns and beams;
FIG. 8 is a schematic perspective view of the steel columns and the original building structure;
FIG. 9 is a schematic view of the original building structure with the first permanent steel beam and the second temporary steel beam installed;
FIG. 10 is a schematic perspective view of a steel structure provided by the present invention;
FIG. 11 is a schematic structural view of a steel structure including a first permanent steel beam, a second temporary steel beam, and a second permanent steel beam;
fig. 12 is a front view schematically showing a steel structure and an existing building structure.
[ reference numerals are described below ]:
1-a concrete structure; 2-a concrete column; 3-steel column; 4-steel column; 5-a first temporary steel beam; 6-hole; 7-steel column; 8-a floor slab; 9-floor; 10-wrapping the scaffold outside; 11-the top of the original building structure; 12-a first permanent steel beam; 13-a second temporary steel beam; 14-steel structure; 15-channel; 16-second permanent steel beam.
Detailed Description
In order to make the objects, advantages and features of the present invention clearer, the following will explain in detail a construction method of replacing an original building structure with a steel structure according to the present invention with reference to the accompanying drawings. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
As shown in fig. 1, the present invention provides a construction method for replacing an original building structure with a steel structure, wherein the steel structure comprises steel columns and steel beams, the steel columns are arranged perpendicular to the ground, and the steel beams are used for supporting the steel structure; the steel beam can be arranged between two steel columns, between steel columns and steel beams or between two steel beams; the construction method comprises the following steps:
s1: determining the distribution positions of the steel columns according to a preset planned area of a new building, wherein the difference value between the planned area and the area of a region surrounded by the steel columns is smaller than a preset threshold value; the preset threshold value is smaller and can be 0, when the preset threshold value is 0, the planned area of the new building is equal to the area of the area surrounded by the steel columns, and the area surrounded by the steel columns on the ground is the planned area of the new building on the ground.
S2: judging whether the steel structure is interfered with the original building structure or not, and if so, executing S3; if not, S5 is executed.
S3: judging whether the supporting force of the original building structure in the interference area to the original building structure is smaller than a preset supporting force, if so, executing S4; if not, S5 is executed.
When an interference area in an original building structure is dismantled, whether the interference area can be dismantled or not is judged according to measurement and calculation of the supporting force of the original building structure in the interference area to the whole original building. If the supporting force of the interference area to the original building structure is smaller than the preset supporting force, the fact that the original building structure collapses after the interference area is removed can be determined, and the original building structure in the interference area can be removed at the moment.
S4: and dismantling the original building structure of the interference area according to the sequence from top to bottom.
S5: and building the steel structure according to the sequence from bottom to top.
S6: judging whether the height of the steel structure is equal to a preset height or not, and if so, executing S7; if not, executing the S5; the preset height may be the height of the new building, or close to the height of the new building.
S7: and dismantling the rest original building structures according to the sequence from top to bottom.
According to the construction method for replacing the original building structure by the steel structure, the steel structure is built before the original building structure is not completely dismantled, and then all the original building structures are dismantled, so that the original building appearance and building distribution condition are not changed, and the whole construction process is safe and efficient.
Optionally, the original building structure is a concrete structure, and the interference area includes a concrete column and/or a floor slab. In other embodiments, the original building structure can also be a structure built by other materials. The concrete structure will be specifically described below as an example of an existing building structure.
Optionally, between S3 and S4, further comprising: and installing a first temporary steel beam at a preset distance position away from the interference area, wherein the first temporary steel beam is used for supporting the original building structure which is not dismantled.
As shown in fig. 2 and 3, the original building structure is a concrete structure 1, and the concrete structure 1 comprises concrete columns 2 and a floor slab 8; the empty small rectangles in fig. 2 each represent a column 2 of concrete. As shown in fig. 4 and 5, the steel column 3 completely coincides with a portion of the concrete column 2, and the coincident concrete column 2 needs to be removed. As shown in fig. 5 and 6, the steel columns 4 need to pass through the floor 8, and then holes 6 need to be formed in the floor 8, and then the steel columns 4 are installed at the positions of the holes 6. As shown in fig. 4, when the concrete in the interference area is removed, a first temporary steel beam 5 is required to be installed near the interference area, and the first temporary steel beam 5 is used for supporting the unremoved concrete structure to increase the firmness of the unremoved concrete structure; the thick black solid lines in fig. 4 each represent the first temporary steel beams 5.
Optionally, as shown in fig. 7, an outsourcing scaffold 10 is installed on the outer side of the original building structure, the original building structure of the interference area includes a first interference area which is vertical to the ground and penetrates through the original building structure, and the first interference area is removed to form a channel 15 vertical to the ground; the S5 specifically includes: lifting the steel columns and the steel beams to the top 11 of the original building structure by using lifting equipment; lowering the steel columns and the steel beams to an installation location along the channel 15; and installing the steel columns and the steel beams layer by layer according to the sequence from bottom to top. The arrows in fig. 7 indicate the process of lifting the steel columns. As shown in fig. 8, the steel columns of the steel structure may be divided into a steel column 3, a steel column 4 and a steel column 7, wherein the position of the steel column 3 is completely coincident with the position of the concrete column 2 of the concrete structure 1, the position of the steel column 4 is located inside the concrete structure 1, and the position of the steel column 7 is located outside the concrete structure 1.
According to the scheme provided by the embodiment of the invention, the steel column and the steel beam are transported by adopting the lifting equipment, so that the construction efficiency is improved, wherein the lifting equipment can be a tower crane.
Optionally, the steel beams include a first permanent steel beam and a second temporary steel beam for supporting the steel structure, the first permanent steel beam is not removed after the first permanent steel beam is installed, and the second temporary steel beam needs to be removed after the original building is completely removed; the S5 specifically includes: constructing the steel column from bottom to top; judging whether the first permanent steel beam needs to be installed between the two steel columns according to the structural characteristics of the steel structure, namely according to the stress condition of each part of the steel structure; if the first permanent steel beam needs to be installed between the two steel columns, judging whether the original building structure exists between the two steel columns, and if the original building structure exists between the two steel columns, installing a second temporary steel beam between the two steel columns; and if the original building structure does not exist between the two steel columns, installing the first permanent steel beam between the two steel columns.
As shown in fig. 5 and 9, if there is no structural interference between the two steel columns 3, a first permanent steel beam 12 may be installed between the two steel columns 3; the dashed lines in both figures 5 and 9 represent the first permanent steel beam 12; if the original building structure is interfered between the two steel columns 3, a second temporary steel beam 13 can be arranged between the steel columns 3 and the original building structure; the second temporary steel beams 13 are indicated by the black dotted lines in fig. 9. In order to increase the firmness of the steel structure, the first permanent steel beam 12 or the second temporary steel beam 13 may be installed between the first permanent steel beam 12 and the first permanent steel beam 12, between the second temporary steel beam 13 and the second temporary steel beam 13, and between the first permanent steel beam 12 and the second temporary steel beam 13. As shown in fig. 10, after the existing building structure is completely removed, it is necessary to remove the second temporary steel beam 13 and then install the first permanent steel beam 12 at a corresponding position according to the structural characteristics of the steel structure, thereby increasing the firmness of the steel structure.
Optionally, as shown in fig. 11, after the original building structure is completely removed, the method further includes: and additionally installing the second permanent steel beam 16 for supporting the steel structure at a preset position according to the structural characteristics of the steel structure. The solid lines in figure 11 each represent the second permanent steel beam 16.
Optionally, after the step of additionally installing the second permanent steel beam for supporting the steel structure at a preset position, the construction method further includes: laying prefabricated profiled steel sheets on the steel beams of each floor; and pouring concrete on the profiled steel sheet to form the composite floor slab.
As shown in fig. 12, the newly built steel structure 14 may include a plurality of floors 9, and prefabricated profiled steel sheets may be directly laid on the steel beams of each floor 9, and then concrete may be cast on the profiled steel sheets, thereby forming a composite floor. Wherein the steel beam for laying the profiled steel sheet is the first permanent steel beam and/or the second permanent steel beam. After the construction of the composite floor slabs of each floor is completed, the subsequent construction can be carried out on the steel structure, so that a new and complete building is formed.
Optionally, the S4 specifically includes: cutting the concrete structure into blocky structures with preset sizes according to the sequence from top to bottom; the block is transported to the ground by means of a lifting device.
In the scheme provided by the invention, the construction safety can be improved by dismantling the original building structure according to the sequence from top to bottom; cutting original building into the cubic, then transporting to ground, can reducing and tear the in-process and to the influence of surrounding environment, avoid the condition that whole wall body falls from the high altitude.
In summary, according to the construction method for replacing the original building structure by the steel structure, the steel structure is built before the original building structure is not completely dismantled, and then all the original building structures are dismantled, so that the original building appearance and the original building distribution condition are not changed, and the whole construction process is safe and efficient.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the claims of the present invention.
Claims (8)
1. The construction method for replacing the original building structure by the steel structure is characterized in that the steel structure comprises steel columns and steel beams, the steel columns are arranged perpendicular to the ground, and the steel beams are used for supporting the steel structure; the construction method comprises the following steps:
s1: determining the distribution positions of the steel columns according to a preset planned area of a new building, wherein the difference value between the planned area and the area of a region surrounded by the steel columns is smaller than a preset threshold value;
s2: judging whether the steel structure is interfered with the original building structure or not, and if so, executing S3; if not, go to S5;
s3: judging whether the supporting force of the original building structure in the interference area to the original building structure is smaller than a preset supporting force, if so, executing S4; if not, go to S5;
s4: dismantling the original building structure of the interference area according to the sequence from top to bottom;
s5: building the steel structure according to the sequence from bottom to top;
s6: judging whether the height of the steel structure is equal to a preset height or not, and if so, executing S7; if not, executing the S5;
s7: and dismantling the rest original building structures according to the sequence from top to bottom.
2. The method as claimed in claim 1, wherein the step between S3 and S4 further comprises:
and installing a first temporary steel beam at a preset distance position away from the interference area, wherein the first temporary steel beam is used for supporting the original building structure which is not dismantled.
3. The method of claim 1, wherein the existing building structure of the interference area includes a first interference area extending in a direction perpendicular to the ground and through the existing building structure, the first interference area being removed to form a passage perpendicular to the ground; the S5 specifically includes:
lifting the steel column and the steel beam to the top of the original building structure by using lifting equipment;
lowering the steel column and the steel beam to an installation position along the channel;
and installing the steel columns and the steel beams layer by layer according to the sequence from bottom to top.
4. The construction method of replacing an original building structure with a steel structure according to claim 1, wherein the steel beams comprise a first permanent steel beam and a second temporary steel beam for supporting the steel structure, the first permanent steel beam is not removed after the installation is completed, and the second temporary steel beam needs to be removed after the original building is completely removed; the S5 specifically includes:
constructing the steel column from bottom to top;
judging whether the first permanent steel beam needs to be installed between the two steel columns or not according to the structural characteristics of the steel structure; if the first permanent steel beam needs to be installed between the two steel columns, judging whether the original building structure exists between the two steel columns, and if the original building structure exists between the two steel columns, installing a second temporary steel beam between the two steel columns; and if the original building structure does not exist between the two steel columns, installing the first permanent steel beam between the two steel columns.
5. The construction method for replacing an original building structure with a steel structure according to claim 4, further comprising, after the step S7:
and according to the structural characteristics of the steel structure, additionally installing the second permanent steel beam for supporting the steel structure at a preset position.
6. The construction method of replacing an existing building structure with a steel structure according to claim 5, wherein after the step of additionally installing the second permanent steel beam for supporting the steel structure at a predetermined position, the construction method further comprises:
laying prefabricated profiled steel sheets on the steel beams of each floor;
and pouring concrete on the profiled steel sheet to form the composite floor slab.
7. The method as claimed in claim 1, wherein the original building structure is a concrete structure, and the interference area includes concrete columns and/or floors.
8. The construction method for replacing an original building structure with a steel structure according to claim 7, wherein the step S4 specifically comprises:
cutting the concrete structure into blocky structures with preset sizes according to the sequence from top to bottom;
the block is transported to the ground by means of a lifting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350866.4A CN111021771B (en) | 2019-12-24 | 2019-12-24 | Construction method for replacing original building structure with steel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911350866.4A CN111021771B (en) | 2019-12-24 | 2019-12-24 | Construction method for replacing original building structure with steel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111021771A CN111021771A (en) | 2020-04-17 |
| CN111021771B true CN111021771B (en) | 2021-06-18 |
Family
ID=70214221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911350866.4A Active CN111021771B (en) | 2019-12-24 | 2019-12-24 | Construction method for replacing original building structure with steel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111021771B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196303A (en) * | 2020-09-28 | 2021-01-08 | 上海市机械施工集团有限公司 | Method for reinforcing concrete column |
| CN113235931B (en) * | 2021-06-10 | 2022-08-19 | 上海市机械施工集团有限公司 | Construction method for preventing floor from non-uniform settlement |
| CN114150894B (en) * | 2021-11-30 | 2022-10-18 | 中建四局第一建设有限公司 | Super high-rise building structure dismantling and modifying construction method and checking method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331180A (en) * | 1997-06-04 | 1998-12-15 | Sekisui House Ltd | Correcting method for dwelling house with steel sill |
| WO2002099208A1 (en) * | 2001-06-02 | 2002-12-12 | Jazzar M Omar A | A composite precast cast insitue building system |
| CN101054855A (en) * | 2007-05-11 | 2007-10-17 | 李今保 | Strain computer-controlled beam support and change method |
| CN102108791A (en) * | 2010-12-17 | 2011-06-29 | 上海市第四建筑有限公司 | Construction method for old building reformation by adopting reverse structural replacement |
| CN103352437A (en) * | 2013-06-19 | 2013-10-16 | 北京市政路桥管理养护集团有限公司 | Quick beam lowering method based on bridge synchronous jacking and overall replacement |
| CN103790393A (en) * | 2014-01-17 | 2014-05-14 | 上海建工四建集团有限公司 | Construction method for integrated replacement of existing building structure |
-
2019
- 2019-12-24 CN CN201911350866.4A patent/CN111021771B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331180A (en) * | 1997-06-04 | 1998-12-15 | Sekisui House Ltd | Correcting method for dwelling house with steel sill |
| WO2002099208A1 (en) * | 2001-06-02 | 2002-12-12 | Jazzar M Omar A | A composite precast cast insitue building system |
| CN101054855A (en) * | 2007-05-11 | 2007-10-17 | 李今保 | Strain computer-controlled beam support and change method |
| CN102108791A (en) * | 2010-12-17 | 2011-06-29 | 上海市第四建筑有限公司 | Construction method for old building reformation by adopting reverse structural replacement |
| CN103352437A (en) * | 2013-06-19 | 2013-10-16 | 北京市政路桥管理养护集团有限公司 | Quick beam lowering method based on bridge synchronous jacking and overall replacement |
| CN103790393A (en) * | 2014-01-17 | 2014-05-14 | 上海建工四建集团有限公司 | Construction method for integrated replacement of existing building structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111021771A (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111021771B (en) | Construction method for replacing original building structure with steel structure | |
| CN107059667A (en) | Door shape assembled armored concrete box culvert and its construction method | |
| US7784231B2 (en) | Multi-story building | |
| CN107326928B (en) | Construction method of deep underground garage partially relating to basement | |
| WO2015038805A1 (en) | Concrete deck for an integrated building system assembly platfrom | |
| CN108571321A (en) | A kind of construction method of the subway station of combined highway and metro | |
| CN111456025A (en) | Combined support replacing and dismantling construction method for ultra-deep foundation pit | |
| CN107489284B (en) | Construction method for local newly-added deep underground garage of basement | |
| CN206495233U (en) | Door shape assembled armored concrete box culvert | |
| KR20160001216A (en) | Rahmen using hinge type pc wall and method for constructing the same | |
| CN209855277U (en) | Conversion layer structure for underground added layer of existing building | |
| CN109339479B (en) | Internal replacement structure and method for existing reinforced concrete building | |
| KR101566528B1 (en) | Basement extension construction method using underground structure | |
| CN105888281A (en) | Method for utilizing jacking storey-adding technique to promote integrated function of community | |
| CN111648411B (en) | Down-turned post-pouring belt support changing structure, construction method and post-pouring belt construction method | |
| CN103132465A (en) | Underground box culvert constructing method closely attached to pile foundation bearing platform | |
| KR20170013455A (en) | the hybrid self-positioning connecting structure of column and beam | |
| JP6678487B2 (en) | How to build an underground structure | |
| KR101534641B1 (en) | The method for constructing the basement | |
| KR20130119226A (en) | Construction method of core part in building | |
| KR102146077B1 (en) | Construction method of top slab with opening for vertical shaft | |
| KR101827381B1 (en) | Multi-layer construction structure of the structure using double-wall PC and construction method thereof | |
| CN111441400B (en) | Seismic isolation and reinforcement method for existing building foundation | |
| JPH11152928A (en) | Base isolation building and method of base isolating construction of existing building | |
| KR101481073B1 (en) | Method for removing underground structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |