CN113389401A - Construction method of newly-added column foundation of column-cap-free beam-column joint of basement top plate - Google Patents
Construction method of newly-added column foundation of column-cap-free beam-column joint of basement top plate Download PDFInfo
- Publication number
- CN113389401A CN113389401A CN202110736110.4A CN202110736110A CN113389401A CN 113389401 A CN113389401 A CN 113389401A CN 202110736110 A CN202110736110 A CN 202110736110A CN 113389401 A CN113389401 A CN 113389401A
- Authority
- CN
- China
- Prior art keywords
- column
- newly
- annular
- foundation
- top plate
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 3
- 238000002513 implantation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 3
- 210000003205 muscle Anatomy 0.000 description 5
- 238000005266 casting Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
- E04G23/0229—Increasing or restoring the load-bearing capacity of building construction elements of foundations or foundation walls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2463—Connections to foundations
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B2001/2466—Details of the elongated load-supporting parts
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a construction method of a newly-added column foundation of a column-cap-free beam column node of a basement top plate, which is characterized in that when a steel structure column is newly added to the column-cap-free beam column node of the basement top plate, a column top section is enlarged to increase an enlarged section concrete structure, a foundation screw rod is pre-embedded in the enlarged section concrete structure to serve as a foundation embedded part of the newly-added steel structure column, shear pins are implanted into an original structure in an E shape to serve as main stress steel bars of the enlarged section concrete structure and the original structure concrete, and ring bars of the enlarged section concrete structure are implanted into an upper horizontal plane, a middle horizontal plane and a lower horizontal plane of an annular pouring space in an open hoop mode to increase the integrity of the enlarged section concrete structure. The invention solves the problem that the original structure is easy to damage or the bearing requirement of the newly added steel structure modeling member at the upper part cannot be met after the completion of the construction because the member is not removed properly in the foundation construction of the existing newly added steel structure column.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction method of a newly-added column foundation of a cap-free beam column node of a basement top plate.
Background
Under the condition that the original structure of the project is finished, a series of steel structure columns are required to be additionally arranged on the top plate of the basement due to the additional arrangement of steel structure modeling members. The existing foundation construction of the newly-added steel structure column is improper in component dismantling construction, so that the original structure is easily damaged or the bearing requirement of the newly-added steel structure modeling component on the upper part cannot be met after the construction is finished.
Disclosure of Invention
In order to overcome the defects in the prior art, the construction method of the newly added column foundation of the beam column node without the column cap of the basement top plate is provided so as to solve the problem that the original structure is easily damaged or the bearing requirement of the newly added steel structure modeling member at the upper part cannot be met after the completion due to improper member dismantling construction in the existing foundation construction of the newly added steel structure column.
In order to realize the purpose, the construction method of the newly added column foundation of the beam column node without the column cap of the top plate of the basement comprises the following steps:
chiseling concrete of the basement top plate and the beam at the joint of the beam without the column cap of the basement top plate to form an annular pouring space, wherein the annular pouring space is arranged outside the column in a surrounding mode, and the depth of the annular pouring space is smaller than the thickness of the beam;
installing a plurality of newly-added steel bar structures in the annular pouring space, wherein each newly-added steel bar structure comprises a plurality of annular ribs arranged at intervals along the height direction of the column and a plurality of structural vertical ribs connected to the plurality of annular ribs, the annular ribs are arranged along the circumferential direction of the annular pouring space, the annular ribs are connected with shear pins, and the shear pins are implanted into the column so that the newly-added steel bar structures are arranged at intervals along the circumferential direction of the annular pouring space;
installing a pre-buried foundation screw in the annular pouring space, so that the upper end of the pre-buried foundation screw extends to the upper part of the top plate of the basement;
and pouring cement-based grouting materials in the annular pouring space, wherein the cement-based grouting materials are coated at the lower ends of the newly-increased reinforcing steel bar structures and the embedded foundation screws to be solidified to form newly-increased column foundations.
Furthermore, a plurality of the ring ribs are respectively arranged at the upper part, the middle part and the lower part of the annular pouring space.
Further, newly-increased steel bar structure still includes the stirrup, the multichannel is located to the stirrup the ring muscle the outside of shear pin muscle.
Furthermore, the beam comprises a main beam and a secondary beam which are arranged in a crossed mode, and the bottom of the annular pouring space is flush with the bottom of the secondary beam.
Further, the implantation depth of the shear pin ribs is more than 210 mm.
The invention has the advantages that the construction method of the newly added column foundation of the column joint of the cap beam without the column of the top plate of the basement, when a steel structure column is additionally arranged at the node of the beam column without the column cap of the top plate of the basement, a concrete structure with an enlarged section is adopted to enlarge the section of the top of the column and increase the section, and the foundation screw is pre-embedded in the concrete structure with the enlarged section as a foundation embedded part of the newly-added steel structure column, shear pins are embedded in the original structure in an E shape and are used as main stressed steel bars of the concrete structure with the enlarged cross section and the concrete of the original structure, and the ring ribs of the concrete structure with the enlarged cross section are implanted on the upper horizontal plane, the middle horizontal plane and the lower horizontal plane of the annular pouring space in an opening hoop mode to increase the integrity of the concrete structure with the enlarged cross section, the bearing capacity of the concrete structure with the enlarged section is improved so as to ensure that the requirement of bearing of the newly added steel structural modeling member at the upper part can be met.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural view of a newly added column foundation of a column-cap-free beam-column joint of a basement roof in an embodiment of the invention.
Fig. 2 is a cross-sectional view at B-B in fig. 1.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and 2, the invention provides a construction method of a newly added column foundation of a cap-free beam column node of a basement roof, which comprises the following steps:
s1: the concrete that removes basement roof 1 and roof beam is dug in the no post cap beam column node of basement roof 1 forms the annular space of pouring, and the annular space of pouring encircles and sets up in the outside of post 3, and the depth in annular space of pouring is less than the thickness of roof beam.
In this embodiment, the newly-increased steel structure post is installed on the basement roof, and the newly-increased steel structure post sets up in the no post cap beam column node of basement roof. The cap-free beam column comprises a beam structure which comprises a main beam 21 and a secondary beam 22 which are arranged in a crossed mode, and the column is of a cap-free column structure.
And chiseling concrete of the basement top plate 1 and the beam at the joint of the beam without the column cap of the basement top plate 1 to form an annular pouring space. An annular casting space is arranged around the outside of the column 3. The annular pouring space is coaxial with the column.
The depth of the annular pouring space is smaller than the thickness of the beam. Specifically, the bottom of the annular casting space is flush with the bottom of the secondary beam 22.
And after the annular pouring space is excavated, roughening the newly excavated wall of the original concrete and coating an interface agent.
S2: install a plurality of newly-increased steel structure 4 in the annular space of pouring, newly-increased steel structure includes that the multichannel girth 41 that sets up along the direction of height interval of post 3 erects muscle 42 with the structure of connecting in multichannel girth 41, and the girth 41 sets up along the circumferencial direction in the annular space of pouring, and the girth 41 is connected with shear pin muscle 43, implants shear pin muscle 43 in the post 3 for a plurality of newly-increased steel structure 4 set up along the circumferencial direction interval in the annular space of pouring.
In this embodiment, shear pins are embedded in the original pillar structure. Correspondingly, a plurality of shear pins are respectively implanted at the upper, middle and lower positions of the annular pouring space.
In a preferred embodiment, the shear ribs 43 are implanted to a depth greater than 210 mm.
After the shear pins are implanted, a plurality of annular ribs 41 are respectively arranged at the upper part, the middle part and the lower part of the annular pouring space. Each annular rib 41 is arranged along the circumferential direction of the annular casting space, and the annular rib 41 is connected with a shear pin rib 43.
The newly added rebar structure 4 also includes a stirrup 44. The stirrup 44 is hooped outside the shear pin 43 of the plurality of hoops 41 of the newly added rebar structure.
Finally, connecting the vertical structural bars to the annular bars at the upper, middle and lower positions of the annular pouring space to form a newly-added steel bar structure
S3: and installing a pre-buried foundation screw rod 5 in the annular pouring space, so that the upper end of the pre-buried foundation screw rod 5 extends to the upper part of the basement top plate 1.
Referring to fig. 1, a small circle in fig. 1 represents an outer contour line of a column, and a large circle represents an installation position line of embedded anchor bolts. The mounting position line of the embedded foundation bolt is coaxial with the column.
The embedded anchor bolts are mechanically anchored, and the embedding depth is more than 750 mm.
S4: and pouring a cement-based grouting material 6 in the annular pouring space, wherein the cement-based grouting material 6 is coated at the lower ends of the newly-increased reinforcing steel bar structure 4 and the embedded foundation screw 5 to form a newly-increased column foundation in a consolidation manner.
Wherein, the cement-based grouting material 6 adopts a grouting material with the strength higher than C40.
The invention relates to a construction method of a newly added column foundation of a column-free cap beam column joint of a basement top plate, which is characterized in that when a steel structure column is newly added to the column-free cap beam column joint of the basement top plate, a column top section is enlarged to increase an enlarged section concrete structure, a foundation screw rod is pre-buried in the enlarged section concrete structure to serve as a foundation buried part of the newly added steel structure column, shear pins are implanted into an original structure in an E shape to serve as main stress steel bars of the enlarged section concrete structure and the original structure concrete, and ring bars of the enlarged section concrete structure are implanted into an upper horizontal plane, a middle horizontal plane and a lower horizontal plane of an annular pouring space in an open hoop mode to increase the integrity of the enlarged section concrete structure, so that the bearing capacity of the enlarged section concrete structure is improved to ensure that the bearing requirement of an upper newly added steel structure modeling member can be met.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (5)
1. A construction method for a newly added column foundation of a column cap-free beam column node of a basement top plate is characterized by comprising the following steps:
chiseling concrete of the basement top plate and the beam at the joint of the beam without the column cap of the basement top plate to form an annular pouring space, wherein the annular pouring space is arranged outside the column in a surrounding mode, and the depth of the annular pouring space is smaller than the thickness of the beam;
installing a plurality of newly-added steel bar structures in the annular pouring space, wherein each newly-added steel bar structure comprises a plurality of annular ribs arranged at intervals along the height direction of the column and a plurality of structural vertical ribs connected to the plurality of annular ribs, the annular ribs are arranged along the circumferential direction of the annular pouring space, the annular ribs are connected with shear pins, and the shear pins are implanted into the column so that the newly-added steel bar structures are arranged at intervals along the circumferential direction of the annular pouring space;
installing a pre-buried foundation screw in the annular pouring space, so that the upper end of the pre-buried foundation screw extends to the upper part of the top plate of the basement;
and pouring cement-based grouting materials in the annular pouring space, wherein the cement-based grouting materials are coated at the lower ends of the newly-increased reinforcing steel bar structures and the embedded foundation screws to be solidified to form newly-increased column foundations.
2. The method for constructing a newly added column foundation of a column cap-free beam-column joint of a basement roof as claimed in claim 1, wherein a plurality of the ring ribs are respectively arranged at the upper part, the middle part and the lower part of the annular pouring space.
3. The method of claim 1, wherein the newly added rebar structure further comprises stirrups that are arranged outside the shear pins of the plurality of hoops.
4. The method of claim 1, wherein the beam comprises a primary beam and a secondary beam which are arranged in a crossed manner, and the bottom of the annular pouring space is flush with the bottom of the secondary beam.
5. The construction method of the newly added column foundation of the column joint of the column cap-free beam column of the top plate of the basement as claimed in claim 1, wherein the depth of implantation of the shear pin ribs is more than 210 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736110.4A CN113389401A (en) | 2021-06-30 | 2021-06-30 | Construction method of newly-added column foundation of column-cap-free beam-column joint of basement top plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110736110.4A CN113389401A (en) | 2021-06-30 | 2021-06-30 | Construction method of newly-added column foundation of column-cap-free beam-column joint of basement top plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113389401A true CN113389401A (en) | 2021-09-14 |
Family
ID=77624591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110736110.4A Pending CN113389401A (en) | 2021-06-30 | 2021-06-30 | Construction method of newly-added column foundation of column-cap-free beam-column joint of basement top plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113389401A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009127251A (en) * | 2007-11-21 | 2009-06-11 | Takenaka Komuten Co Ltd | Rebuilding method of building |
| CN103276899A (en) * | 2013-06-05 | 2013-09-04 | 中国建筑第八工程局有限公司 | Construction method of steel bars surrounding steel column base |
| CN105239676A (en) * | 2015-10-30 | 2016-01-13 | 华南理工大学 | Reinforcement structure for frame beam column joint and construction method thereof |
| CN207553644U (en) * | 2017-11-23 | 2018-06-29 | 洪燕瑜 | A kind of rc-frame-beam column reinforcing joint |
| CN210086884U (en) * | 2019-04-17 | 2020-02-18 | 吉林省胜阳建筑装配预制构件有限公司 | Beam column node four-side column top surrounding sleeve reinforcing structure |
-
2021
- 2021-06-30 CN CN202110736110.4A patent/CN113389401A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009127251A (en) * | 2007-11-21 | 2009-06-11 | Takenaka Komuten Co Ltd | Rebuilding method of building |
| CN103276899A (en) * | 2013-06-05 | 2013-09-04 | 中国建筑第八工程局有限公司 | Construction method of steel bars surrounding steel column base |
| CN105239676A (en) * | 2015-10-30 | 2016-01-13 | 华南理工大学 | Reinforcement structure for frame beam column joint and construction method thereof |
| CN207553644U (en) * | 2017-11-23 | 2018-06-29 | 洪燕瑜 | A kind of rc-frame-beam column reinforcing joint |
| CN210086884U (en) * | 2019-04-17 | 2020-02-18 | 吉林省胜阳建筑装配预制构件有限公司 | Beam column node four-side column top surrounding sleeve reinforcing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106049259A (en) | Bridge integrally-assembled pier and construction method | |
| KR101973701B1 (en) | Assembling type pier | |
| KR100862005B1 (en) | Manufacturing method of segmental internally confined hollow concrete filled tube | |
| KR20110103000A (en) | Precast bridge joint structure with composite hollow concrete filled tube and a construction method for the same | |
| JP3799036B2 (en) | Building basic structure and construction method | |
| KR102598985B1 (en) | Connection method of concrete filled tube bridge column and reinforced concrete pier cap | |
| CN112030720A (en) | Prefabricated bent cap and pier stud socket type connecting structure and construction method | |
| JP6624797B2 (en) | Construction method of pile foundation structure and pile foundation structure | |
| CN113389401A (en) | Construction method of newly-added column foundation of column-cap-free beam-column joint of basement top plate | |
| JP5340661B2 (en) | Reinforced concrete member joint structure and building using the same | |
| JP5207108B2 (en) | Structure and method for joining pier and footing | |
| JP2002256571A (en) | Reconstructing method for building, using method for existing pile and building | |
| KR102123666B1 (en) | Implant pile installer in architecture foundation system and a universal implant pile method | |
| JP7386095B2 (en) | Underground structure construction method | |
| JP6461690B2 (en) | Foundation structure and foundation construction method | |
| JP6924682B2 (en) | Pile head seismic isolation structure and its construction method | |
| CN112458908B (en) | Construction method for steel hoops of pier anti-seismic facility in two-step accurate-in-place mode | |
| JPH11117316A (en) | Temporary cofferdam structure | |
| KR20060023915A (en) | Method for constructing underground slabs and walls using erection piles without preliminary wall-attached supports | |
| US20210071380A1 (en) | Method for building concrete foundations for lattice-type offshore structures, and foundations built using this method | |
| JP4713218B2 (en) | Foundation structure | |
| JP3959509B2 (en) | Knotted pile and method for manufacturing knotted pile | |
| JP2686570B2 (en) | How to build a caisson bottom plate | |
| CN201172825Y (en) | Beam column joint in base pit engineering for reverse method | |
| JP6710064B2 (en) | Seismic isolation retrofit construction method and building construction |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210914 |