CN111119482A - Concealed type archaized building wood column root anchoring device and construction method - Google Patents
Concealed type archaized building wood column root anchoring device and construction method Download PDFInfo
- Publication number
- CN111119482A CN111119482A CN202010046391.6A CN202010046391A CN111119482A CN 111119482 A CN111119482 A CN 111119482A CN 202010046391 A CN202010046391 A CN 202010046391A CN 111119482 A CN111119482 A CN 111119482A
- Authority
- CN
- China
- Prior art keywords
- column
- embedded steel
- steel plate
- embedded
- foundation
- 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
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
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
-
- 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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/36—Columns; Pillars; Struts of materials not covered by groups E04C3/32 or E04C3/34; of a combination of two or more materials
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a hidden archaized building wood column root anchoring device and a construction method, which comprises the following specific steps: surveying and recording; pouring a concrete foundation and a column pier, and embedding reinforcing steel bars; prefabricating a stainless steel plate with reserved holes; the steel bar and the stainless steel plate are subjected to plug welding through the through hole; embedding prefabricated steel plates in the wood columns; connecting the prefabricated steel plate and the wood column, smearing structural adhesive at the gap, filling the hole outside the wood column with sawdust cement mixed with the structural adhesive, and polishing and cleaning the surface after the sawdust cement is cured. The invention has the beneficial effects that: the invention provides a hidden archaized building wood column root anchoring device and a construction method, which enable the root of a wood column to be more stable because four structural defensive lines are arranged: the steel plate is embedded, the steel bar is embedded, the countersunk head bolt and the structural adhesive are embedded; the problem of reliable anchoring of the wood column and the foundation pier can be solved, and the traditional appearance of the member is kept to the maximum extent due to the fact that all the adopted anchoring methods are concealed devices.
Description
Technical Field
The invention relates to a hidden type archaized building wood column root anchoring device and a construction method, and belongs to the technical field of construction of new archaized buildings and ancient building protection.
Background
China currently has a large number of historic building timber structures, and hundreds of thousands of structures are formed from the Tang-generation timber structure to the Qing-generation timber structure. After the precious wooden structures are changed over in a plurality of dynasties, the sliding or deformation between a plurality of wooden columns and the column foundations occurs due to the long-term maintenance, natural disasters and human factors, the structural safety of the ancient buildings is seriously influenced, and the reinforcement and repair are urgently needed. In addition, due to the requirement of inheritance of Chinese traditional culture, China can newly build a large number of antique wooden buildings every year. The floating and swinging method between the wooden columns and the column foundations in the traditional wooden building in China is very unfavorable for the earthquake resistance and the structural safety of the (archaized) ancient building. Therefore, for the wooden structures which need to take the traditional geomorphic requirements into consideration, the root anchoring method for the wooden columns needs more reasonable construction technology to ensure the safety and the geomorphic property. Compared with the traditional wood column root anchoring method, the method mainly comprises an outer side steel plate clamping method, an outer side sleeve method and the like, and the methods are not beneficial to the construction of a column foundation due to the fact that the steel plates are arranged externally, the traditional appearance of the building is damaged, and the historical value, the artistic value and the scientific value of the traditional wood structure building are reduced. In conclusion, the current (archaized) ancient building wood column root anchoring method is yet to be further researched.
Disclosure of Invention
The technical problem is as follows: aiming at the problems in the background art, the invention provides a hidden type archaized building wood column root anchoring device and a construction method which have more standard, controllable and better safety performance in the wood column root anchoring construction process, the structure is more stable, and four structural defense lines are arranged: the steel plate is embedded, the steel bar is embedded, the countersunk head bolt and the structural adhesive are embedded; the problem of reliable anchoring of the wood column and the foundation pier can be solved, and the traditional appearance of the member is kept to the maximum extent due to the fact that all the adopted anchoring methods are concealed devices.
The technical scheme is as follows: the invention discloses a concealed archaized building wood column root anchoring device, which adopts the following technical scheme:
the anchoring device is provided with a concrete pillar on a foundation, a square twin slate is arranged on the concrete pillar, a column foundation is arranged on the square twin slate, a wood column is arranged on the column foundation, and an indoor terrace is positioned at the combination part of the concrete pillar and the square twin slate; the lower part of embedded steel bar is located the concrete column mound, and the upper portion of embedded steel bar passes square pillar slabstone and column foundation and is connected with the circular steel sheet on column foundation upper portion, and the embedded steel sheet that is arranged in the post is connected to the upper portion of circular steel sheet, and countersunk head bolt passes the embedded board and reserves the hole and fixes the post with embedded steel sheet.
The construction method of the concealed antique building wood column root anchoring device comprises the following steps:
a) surveying and recording: after surveying the site, recording the height difference between the upper surface of the foundation and the indoor terrace right above the foundation as H, and the diameter of the lower surface of the column foundation as D;
b) pouring concrete pier, and embedding steel bar: pouring a concrete column pier above the foundation, wherein the concrete column pier is a square column pier with the side length A being 1.5D, and the height of the concrete column pier is H; placing a square twin stone slab with the side length A being 1.5D on a concrete column pier, and placing a column foundation on the twin stone slab; embedding reinforcing steel bars in the concrete pier, wherein the embedding reinforcing steel bars are uniformly distributed on the circumference which is 0.65D away from the center of the section of the concrete pier, and the embedding reinforcing steel bars penetrate through the pillar stone slab and the column foundation and are connected with the circular steel plate;
c) preparing a round steel plate: prefabricating a circular steel plate with the diameter of 0.8D, reserving circular plate reserved holes in the circular steel plate, wherein the number and the positions of the circular plate reserved holes correspond to those of the embedded steel bars; welding a rectangular embedded steel plate with the width of 0.5D and the height of 300-360 mm on the circular steel plate, and reserving an inner panel reserved hole at the position of the middle line of the embedded steel plate every 100-120 mm;
d) welding the embedded steel bars and the round steel plates: performing perforation plug welding on the circular steel plate and the embedded steel bars at the reserved holes of the circular plate;
e) embedding prefabricated steel plates in the wood column: according to the sizes of the round steel plate and the embedded steel plate, a groove is formed in the bottom of the wood column, and the wood column is placed on a column foundation in an aligned mode;
f) connecting the prefabricated steel plate with the wood column: and driving a countersunk head bolt on the wood column according to the position of the reserved hole of the inner panel, sinking a nut of the countersunk head bolt into the wood column, and treating the gap.
The embedded steel bars, the round steel plates and the embedded steel plates are made of 304-type stainless steel; the number of the embedded steel bars is 2-6, the diameter of the embedded steel bars is 10-14 mm, and the anchoring length of the embedded steel bars is 30 times of the diameter of the steel bars; the thickness of the round steel plate and the embedded steel plate is 6 mm-10 mm.
In the step c), the round steel plate and the embedded steel plate are mutually connected in a fillet welding mode, and the height of a welding seam is 6-8 mm; the diameter of the reserved hole of the circular plate is +2mm of the diameter of the embedded steel bar; the diameter of the hole (9) reserved in the inner panel is equal to the diameter of the countersunk head bolt.
The thickness of the square pillar stone slab is 30-50 mm.
And in the step b), pouring structural adhesive at the hole gap of the embedded steel bar passing through the pillar stone slab and the foundation.
In the step f), the method for processing the gap comprises the steps of coating structural adhesive on the countersunk head bolt and the gap at the periphery of the embedded steel plate, filling the countersunk head bolt on the wood column with sawdust cement mixed with the sawdust and the structural adhesive, and polishing and cleaning the surface after the sawdust cement is cured.
Has the advantages that: compared with the prior art, the invention has the following beneficial effects:
1. the construction process is more standard, and the structure is stronger and more stable
The method of the invention is provided with four defense lines with structures: the embedded steel plate provides the overturning resistance for the wood column; the countersunk head bolt restrains the displacement of the steel plate and improves the lateral thrust resistance of the wood column; structural adhesive is coated at the gap, so that the connection strength between the steel plate and the wood column is improved; and reinforcing steel bars are embedded, so that the displacement of the steel plate is further restrained, and the lateral rigidity of the root of the wood column is improved. In addition, for newly-built antique wooden structure buildings, the mandatory requirements of the wooden structure design standard on the anchoring of the root of the wooden column are met.
2. Ensuring the traditional geomorphic requirements of the antique wooden buildings and meeting the related requirements of cultural relic protection law
According to the concealed antique building wood column root anchoring device and the construction method, in the prior art, the wood column root anchoring method is externally arranged, so that the placement of the pillar stone slab and the pillar foundation is not facilitated, and the traditional appearance of the antique wood structure building is seriously damaged. Because the bolt that uses is countersunk bolt, and the reinforcing bar is pre-buried reinforcing bar, and the hole that stays outside the post adopts the saw-dust daub that saw-dust and structure glue mix to fill, treats that the saw-dust daub solidifies the back and polish and clear up the surface for the outward appearance keeps unanimous almost with the log post, has accorded with authenticity and integrality principle in the historical relic protection law.
3. Improves the durability of the wood column and the anchoring connecting piece
According to the concealed antique building wood column root anchoring device and the construction method, the embedded steel bars and the external steel plates in the prior art are made of common steel materials and are easy to rust to cause secondary damage to the wood column root, the embedded steel bars, the round steel plates and the embedded steel plates are made of 304 stainless steel, gaps among the metal piece, the pillar base stone slab, the column foundation and the wood column are bonded by structural adhesives, and the durability of the wood column and the anchoring connecting piece is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions and embodiments of the present invention, the drawings used in the description of the technical solutions and embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is an elevational view, in cross section, of the concealed stud root anchor of the present invention.
Fig. 2 is a sectional view 1-1 of the concealed type wood stud root anchoring device of the present invention.
Fig. 3 is a large drawing of a circular steel plate and an embedded steel plate in the concealed type wood column root anchoring device of the invention.
The figure shows that: basis 1, concrete column mound 2, indoor terrace 3, embedded bar 4, column foundation 5, circular steel sheet 6, hole 7 is reserved to the plectane, embedded steel sheet 8, hole 9 is reserved to the embedded board, post 10, countersunk head bolt 11, square pillar slabstone 12.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example of the implementation
As shown in the figure, when a wood structure of an ancient building is repaired, the foundation needs to be reinforced, meanwhile, the wood column and the foundation are connected in an anchoring mode, the overall stability and the anti-seismic performance of the ancient building are improved, and hidden type wood column root anchoring construction is carried out by adopting the technology disclosed by the invention.
(1) Surveying and recording: after surveying a scene, related technicians record that the height difference between the upper surface of a foundation 1 and an indoor terrace 3 right above the foundation 1 is H, and the diameter of the lower surface of a column foundation 5 is D;
(2) pouring concrete column piers, and embedding reinforcing steel bars: pouring a concrete pier 2 above the foundation 1, wherein the concrete pier 2 is a square pier with the side length A being 1.5D, and the height of the concrete pier 2 is H; placing the foundation 5 on a square pillar stone slab 12 with the thickness of 40mm and the side length A being 1.5D, and placing the pillar stone slab 12 on the concrete pier 2; embedding reinforcing steel bars 4 in the concrete pier 2, wherein the anchoring length of the embedding reinforcing steel bars 4 is 30 steel bar diameters, the embedding reinforcing steel bars 4 are uniformly distributed on the circumference which is 0.65D away from the center of the section of the concrete pier 2, and the embedding reinforcing steel bars 4 penetrate through the pillar stone slab 12 and the column foundation 5;
(3) prefabricating a stainless steel plate: prefabricating a circular 304 stainless steel plate 6 with the diameter of 0.8D and the thickness of 6mm in a factory, reserving holes 7 with the diameter of 14mm in the circular steel plate 6, wherein the number and the positions of the reserved holes 7 in the circular plate correspond to the embedded steel bars 4; welding rectangular embedded 304 stainless steel plates 8 with the width of 0.5D, the height of 300mm and the thickness of 6mm on the corners of the circular steel plates 6, wherein the height of fillet welds is 6mm, and reserving holes 9 with the diameter of 14mm at the positions of the middle lines of the embedded steel plates 8 every 100 mm;
(4) welding the steel bars and the stainless steel plates: performing perforation plug welding on the circular steel plate 6 and the embedded steel bars 4 at the positions of the reserved holes 7 of the circular plate;
(5) embedding prefabricated steel plates in the wood columns: according to the sizes of the round steel plate 6 and the embedded steel plate 8, a groove is formed in the bottom of the wood column 10, and the wood column 10 is placed on the column foundation 5 in an aligned mode;
(6) connecting the prefabricated steel plate with the wood column: driving a countersunk head bolt 11 on a wood column 10 according to the position of the reserved hole 9 of the inner panel, sinking the nut of the countersunk head bolt 11 into the wood column 10, coating structural adhesive at the gap part of the periphery of the countersunk head bolt 11 and the embedded steel plate 8, filling the hole part punched on the wood column 10 by the countersunk head bolt 11 with wood chip cement mixed with the wood chip and the structural adhesive, and polishing and cleaning the surface after the wood chip cement is cured.
The above is only a preferred embodiment of the present invention, and is intended to show the prominent technical effects and advantages of the present invention, and not to limit the technical solution of the present invention. It should be understood by those skilled in the art that all modifications, changes or substitutions based on the technical contents of the present invention should be covered within the technical scope of the appended claims.
Claims (7)
1. The hidden antique building wood column root anchoring device is characterized in that a concrete column pier (2) is arranged on a foundation (1), a square pillar stone slab (12) is arranged on the concrete column pier (2), a column foundation (5) is arranged on the square pillar stone slab (12), a wood column (10) is arranged on the column foundation (5), and an indoor terrace (3) is located at the combination position of the concrete column pier (2) and the square pillar stone slab (12); the lower part of embedded steel bar (4) is located concrete column mound (2), and the upper portion of embedded steel bar (4) passes square pillar slabstone (12) and column foundation (5) and is connected with circular steel sheet (6) on column foundation (5) upper portion, and embedded steel sheet (8) that the upper portion of circular steel sheet (6) is connected and is located post (10), and countersunk head bolt (11) pass embedded plate and reserve hole (9) and fix post (10) and embedded steel sheet (8).
2. The method for constructing the concealed type archaized building wood column root anchoring device according to claim 1, wherein the construction method comprises the following steps:
a) surveying and recording: after surveying a scene, recording the height difference between the upper surface of a foundation (1) and an indoor terrace (3) right above the foundation (1) as H, and the diameter of the lower surface of a column foundation (5) as D;
b) pouring concrete pier, and embedding steel bar: pouring a concrete column pier (2) above the foundation (1), wherein the concrete column pier (2) is a square column pier with the side length A being 1.5D, and the height of the concrete column pier (2) is H; placing a square twin stone slab (12) with the side length A being 1.5D on a concrete pillar (2), and placing a column foundation (5) on the twin stone slab (12); the embedded steel bars (4) are uniformly distributed on the circumference which is 0.65D away from the center of the section of the concrete pier (2), and the embedded steel bars (4) penetrate through the pillar base stone slab (12) and the pillar base (5) and are connected with the circular steel plate (6);
c) preparing a round steel plate: prefabricating a circular steel plate (6) with the diameter of 0.8D, reserving circular plate reserved holes (7) in the circular steel plate (6), wherein the number and the positions of the circular plate reserved holes (7) correspond to those of the embedded steel bars (4); welding rectangular embedded steel plates (8) with the width of 0.5D and the height of 300-360 mm on the circular steel plates (6), and reserving an inner panel reserved hole (9) at the position of the middle line of the embedded steel plates (8) every 100-120 mm;
d) welding the embedded steel bars and the round steel plates: performing perforation plug welding on the circular steel plate (6) and the embedded steel bars (4) at the positions of the reserved holes (7) of the circular plate;
e) embedding prefabricated steel plates in the wood column: according to the sizes of the round steel plate (6) and the embedded steel plate (8), a groove is formed in the bottom of the wood column (10), and the wood column (10) is placed on the column foundation (5) in an aligned mode;
f) connecting the prefabricated steel plate with the wood column: and driving a countersunk head bolt (11) into the wood column (10) according to the position of the reserved hole (9) of the inner panel, sinking the nut of the countersunk head bolt (11) into the wood column (10), and treating the gap.
3. The construction method of the concealed archaized building wood column root anchoring device according to claim 2, characterized in that: the embedded steel bars (4), the round steel plates (6) and the embedded steel plates (8) are made of 304-type stainless steel; the number of the embedded steel bars (4) is 2-6, the diameter of the embedded steel bars is 10-14 mm, and the anchoring length of the embedded steel bars is 30 times of the diameter of the embedded steel bars (4); the thicknesses of the round steel plate (6) and the embedded steel plate (8) are 6-10 mm.
4. The construction method of the concealed archaized building wood column root anchoring device according to claim 2, characterized in that: in the step c), the circular steel plate (6) and the embedded steel plate (8) are connected with each other in a fillet welding mode, and the height of a welding seam is 6-8 mm; the diameter of the circular plate reserved hole (7) is +2mm of the diameter of the embedded steel bar (4); the diameter of the hole (9) reserved in the inner panel is equal to the diameter of the countersunk head bolt (11).
5. The construction method of the concealed archaized building wood column root anchoring device according to claim 2, characterized in that: the thickness of the square pillar stone slab (12) is 30-50 mm.
6. The concealed archaized building wood column root anchoring device and the construction method according to claim 2 are characterized in that: and in the step b), pouring structural adhesive at the hole gap of the embedded steel bar passing through the pillar stone slab (12) and the column foundation (5).
7. The concealed archaized building wood column root anchoring device and the construction method according to claim 1 are characterized in that: in the step f), the gap is treated by coating structural adhesive on the gap at the periphery of the countersunk head bolt (11) and the embedded steel plate (8), filling the gap at the countersunk head bolt (11) on the wood column (10) with wood chip cement mixed with the structural adhesive, and polishing and cleaning the surface after the wood chip cement is cured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046391.6A CN111119482A (en) | 2020-01-16 | 2020-01-16 | Concealed type archaized building wood column root anchoring device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010046391.6A CN111119482A (en) | 2020-01-16 | 2020-01-16 | Concealed type archaized building wood column root anchoring device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111119482A true CN111119482A (en) | 2020-05-08 |
Family
ID=70490690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010046391.6A Pending CN111119482A (en) | 2020-01-16 | 2020-01-16 | Concealed type archaized building wood column root anchoring device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111119482A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359987A (en) * | 2020-11-19 | 2021-02-12 | 中建八局第三建设有限公司 | Treatment method for closing water in gap between special-shaped steel-wood structure glued wood column core and hardware |
| CN112441787A (en) * | 2020-12-16 | 2021-03-05 | 漳州砼艺建材有限公司 | Environment-friendly pseudo-column foundation antique concrete stone structure and production process thereof |
| CN114991523A (en) * | 2022-07-07 | 2022-09-02 | 西安建筑科技大学 | SMA prestressed tendon reinforced multilayer traditional wood structure column and reinforcing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202718134U (en) * | 2012-08-21 | 2013-02-06 | 苏州园林设计院有限公司 | Historic building wooden column base structure |
| CN103726506A (en) * | 2014-01-13 | 2014-04-16 | 苏州工业园区设计研究院股份有限公司 | Wood structure column foot and foundation connecting structure |
| CN205502623U (en) * | 2016-04-15 | 2016-08-24 | 青岛青房建安集团有限公司 | Building structure consolidates and uses connecting device |
| CN207260179U (en) * | 2017-09-30 | 2018-04-20 | 南京市园林规划设计院有限责任公司 | Pseudo-classic architecture suspension column joins structure |
| JP2019082056A (en) * | 2017-10-31 | 2019-05-30 | 株式会社巴コーポレーション | Construction method of roof of outdoor storage and roof frame |
-
2020
- 2020-01-16 CN CN202010046391.6A patent/CN111119482A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202718134U (en) * | 2012-08-21 | 2013-02-06 | 苏州园林设计院有限公司 | Historic building wooden column base structure |
| CN103726506A (en) * | 2014-01-13 | 2014-04-16 | 苏州工业园区设计研究院股份有限公司 | Wood structure column foot and foundation connecting structure |
| CN205502623U (en) * | 2016-04-15 | 2016-08-24 | 青岛青房建安集团有限公司 | Building structure consolidates and uses connecting device |
| CN207260179U (en) * | 2017-09-30 | 2018-04-20 | 南京市园林规划设计院有限责任公司 | Pseudo-classic architecture suspension column joins structure |
| JP2019082056A (en) * | 2017-10-31 | 2019-05-30 | 株式会社巴コーポレーション | Construction method of roof of outdoor storage and roof frame |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112359987A (en) * | 2020-11-19 | 2021-02-12 | 中建八局第三建设有限公司 | Treatment method for closing water in gap between special-shaped steel-wood structure glued wood column core and hardware |
| CN112441787A (en) * | 2020-12-16 | 2021-03-05 | 漳州砼艺建材有限公司 | Environment-friendly pseudo-column foundation antique concrete stone structure and production process thereof |
| CN112441787B (en) * | 2020-12-16 | 2022-06-21 | 漳州砼艺建材有限公司 | Environment-friendly pseudo-column foundation antique concrete stone structure and production process thereof |
| CN114991523A (en) * | 2022-07-07 | 2022-09-02 | 西安建筑科技大学 | SMA prestressed tendon reinforced multilayer traditional wood structure column and reinforcing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111119482A (en) | Concealed type archaized building wood column root anchoring device and construction method | |
| US20200102751A1 (en) | Precast column base joint and construction method therefor | |
| AU2019100986A4 (en) | Building System | |
| US10422156B1 (en) | Lightweight concrete or masonry fence system with optional concrete footings | |
| CN104404869A (en) | Pile column type concrete hollow pile pier structure | |
| US9874036B2 (en) | Prefabricated, deconstructable, multistory building construction | |
| CN110528950B (en) | Assembled hidden bracket type beam-column joint connecting device | |
| CN109457993A (en) | A kind of concrete column restoring and fastening method | |
| CN102433959A (en) | Prefabricated reinforced concrete structure girder for fabricated building construction | |
| CN107605038A (en) | A kind of assembled steel and concrete frame space modular structure and system and construction method | |
| US20110299937A1 (en) | Pre-stressed concrete foundation for a marine building structure | |
| CN110565797B (en) | Hidden corbel type beam-column joint connection method for shock absorption | |
| Ongaretto et al. | Wood-based solutions to improve quality and safety against seismic events in conservation of historical buildings | |
| CN108612122B (en) | Ultra-large plane-size open caisson foundation structure and construction method thereof | |
| CN205822823U (en) | A kind of Hollow Block Masonry Structure Anti-seismic ruggedized construction | |
| CN104314103A (en) | Method for designing and constructing waterproof plate for underground garage by post-tensioning bonded prestressed construction process | |
| CN108894235B (en) | Frame anchor rod assembly type supporting structure without retaining plate and construction method | |
| CN204825945U (en) | A fixture for fixing buried bolt in advance | |
| CN208701700U (en) | A kind of pile foundation protective device close near deep basal pit | |
| CN217001128U (en) | Prefabricated prestressing force assembled tank | |
| WO2009053185A2 (en) | A self-supporting paving for outdoor use | |
| CN211228467U (en) | Circular cross section concrete precast pile cap | |
| CN208121551U (en) | A kind of assembled device of prefabricated pier shaft and prefabricated bent cap | |
| DE10258833A1 (en) | Construction of node points between a steel concrete protector and a flat cover made from steel concrete in floor structure | |
| CN112696044A (en) | Ring beam joint and method for anchoring newly-added structural beam on concrete column |
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 |