CN112982439A - Vertical bearing device of reverse construction area structure that can retrieve - Google Patents
Vertical bearing device of reverse construction area structure that can retrieve Download PDFInfo
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- CN112982439A CN112982439A CN202110277844.0A CN202110277844A CN112982439A CN 112982439 A CN112982439 A CN 112982439A CN 202110277844 A CN202110277844 A CN 202110277844A CN 112982439 A CN112982439 A CN 112982439A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
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Abstract
The invention discloses a recoverable vertical bearing device of a reverse construction area structure, which comprises: the supporting pile is characterized in that a plurality of groups of waist beams are arranged on the outer surface of one side of the supporting pile, and a connecting mechanism is arranged on each waist beam. According to the recyclable vertical bearing device for the reverse construction area structure, the number of the pile foundations in the reverse construction area can be greatly reduced through the arranged large-span truss, so that the construction cost and the construction period of the pile foundations in the reverse construction area are reduced, and the construction difficulty is reduced; the way of contrast conventional reverse construction method project adoption steel-pipe column or lattice column as construction stage bearing member, this novel patent is in reverse construction the first floor large-span truss in district for doing in the same direction, can pinpoint the unwrapping wire construction, avoids interim lattice column to fix a position the deviation problem in the stake of pouring the concrete under water in this product, consequently can ensure the construction precision, avoids the rust cleaning work of the vertical bearing member of on-the-spot steel construction, and structural member's durability is more secure.
Description
Technical Field
The invention relates to the technical field of building design, in particular to a recyclable vertical bearing device for a reverse construction area structure.
Background
The reverse construction method is a foundation pit support form widely used in the current deep foundation pit support, a main structure is used as a horizontal force transmission component, in practical engineering application, a full reverse construction method and a half reverse construction method can be adopted, a temporary support column in a reverse construction area is generally designed to be shared with a main structure column, when the foundation pit support is constructed, manual hole digging or mechanical hole forming is adopted, and a steel pipe or a lattice column is placed in the height range of a basement to be used as a bearing vertical component.
Overall, such conventional vertical load bearing elements of the supporting structure present problems: the construction period is long, the construction precision is difficult to control, the construction quality of beam-column joints is difficult to control, the corrosion of a steel column is difficult to clean, the stress performance and the durability of the steel column serving as a main structure column are influenced, and therefore the vertical bearing device of the reverse construction area structure capable of being recycled is provided.
Disclosure of Invention
The invention mainly aims to provide a recyclable vertical bearing device for a reverse construction area structure, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a recoverable reverse-acting-area-structure vertical load-bearing device, comprising:
the external surface of one side of the supporting pile is provided with a plurality of groups of waist beams, the waist beams are provided with connecting mechanisms, and the connecting mechanisms comprise truss upper chords, truss lower chords and a top-down region floor beam;
the vertical bearing mechanism comprises a plurality of groups of forward-acting structural columns, a plurality of groups of reverse-acting structural columns and a plurality of groups of steel pipe diagonal web members, wherein the plurality of groups of forward-acting structural columns are respectively connected with the truss upper chord, the truss lower chord and the reverse-acting area floor beams, and the plurality of groups of reverse-acting structural columns are respectively connected with the truss upper chord, the truss lower chord and the reverse-acting area floor beams; and
the back top area is connected with the outer surface of one side of the support pile through a connecting mechanism.
Preferably, the forward-acting structural column is arranged on one side, close to the back top area, of the upper chord of the truss, the reverse-acting structural column is arranged on one side, close to the waist rail, of the upper chord of the truss, and two ends of the steel pipe inclined web member are connected with the upper chord of the truss and the lower chord of the truss respectively.
Preferably, the outer surfaces of the plurality of groups of the waist beams on one side are respectively connected with the upper chord member of the truss, the lower chord member of the truss and the floor beam in the reverse construction area.
Preferably, the steel pipe diagonal web member is pre-buried with H type reinforcing bar and No. two H type reinforcing bars in the junction of truss upper chord member, truss lower chord member and contrary structure post of doing, be provided with the connection picture peg on the truss lower chord member, the welding of steel pipe diagonal web member is on connecting the picture peg.
Preferably, the joints of the steel pipe diagonal web members and the waist rail are provided with embedded parts and joint connecting plates, and the first H-shaped steel rib and the second H-shaped steel rib are provided with a plurality of groups of bolts.
Preferably, be provided with a plurality of groups of floor beam gluten and a plurality of groups of floor beam base muscle on the contrary district's of doing floor beam, be provided with a plurality of groups of shear reinforcement in the waist rail.
Preferably, the top outer surface of the support pile is provided with a crown beam, and the truss upper chord, the truss lower chord and the roof beam in the reverse construction area are all installed on the back top area.
Compared with the prior art, the invention has the following beneficial effects:
1. the large-span truss can greatly reduce the number of the pile foundations in the reverse construction area, so that the construction cost and the construction period of the pile foundations in the reverse construction area are reduced, and the construction difficulty is reduced;
2. compared with the method that a steel pipe column or a lattice column is adopted as a bearing component in the construction stage in the conventional reverse construction method project, the novel steel pipe column or lattice column is sequentially constructed on the first-layer large-span truss in the reverse construction area, the paying-off construction can be accurately positioned, the problem that the temporary lattice column in the product is positioned and deviated in the underwater concrete poured pile is avoided, the construction precision can be ensured, the rust removal work of the vertical bearing component of the steel structure on site is avoided, and the durability of the structural component is more guaranteed;
3. the diagonal web members of the first-layer large-span truss and the vertical rods which are not used as permanent bearing columns are stressed by steel pipes, and after the main structure is constructed to the bottom plate, the main structure can be recycled after being dismantled, so that low-carbon and environment-friendly effects are achieved.
Drawings
FIG. 1 is an overall structural view of a recoverable reverse work area structural vertical load bearing apparatus of the present invention;
FIG. 2 is a partial structural view of a vertical bearing mechanism in the recoverable reverse-acting-area-structure vertical bearing device of the present invention;
FIG. 3 is a partial structural view of a steel pipe diagonal web member in the recoverable reverse region structure vertical load bearing device of the present invention;
FIG. 4 is a partial structural view of an embedded part in a vertical bearing device of a recoverable reverse construction zone structure according to the invention;
FIG. 5 is a partial structural view of a wale in the vertical load bearing device of a recoverable reverse construction zone structure according to the present invention;
FIG. 6 is a partial structural view of a steel tube diagonal web member eliminated from a recoverable reverse-acting-area-structure vertical load bearing device according to the present invention.
In the figure: 1. supporting piles; 2. a wale; 3. a crown beam; 4. a back top region; 5. sequentially manufacturing a structural column; 6. a truss lower chord; 7. a truss upper chord; 8. a steel pipe diagonal web member; 9. reversely making a structural column; 10. reversely making a floor beam of the area; 11. a first H-shaped steel skeleton; 12. a second H-shaped steel skeleton; 13. connecting the plugboards; 14. a bolt nail; 15. a node connecting plate; 16. embedding parts; 17. gluten of the floor beam; 18. floor beam bottom ribs; 19. shear reinforcement.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-6, a recoverable reverse work area structural vertical load bearing device, comprising:
the external surface of one side of the supporting pile 1 is provided with a plurality of groups of wales 2, the wales 2 are provided with connecting mechanisms, and the connecting mechanisms comprise truss upper chords 7, truss lower chords 6 and a reverse construction area floor beam 10;
the vertical bearing mechanism comprises a plurality of groups of forward construction structural columns 5, a plurality of groups of reverse construction structural columns 9 and a plurality of groups of steel pipe diagonal web members 8, wherein the plurality of groups of forward construction structural columns 5 are respectively connected with the truss upper chord 7, the truss lower chord 6 and the reverse construction area floor beam 10, and the plurality of groups of reverse construction structural columns 9 are respectively connected with the truss upper chord 7, the truss lower chord 6 and the reverse construction area floor beam 10; and
the back top area 4 is connected with the outer surface of one side of the support pile 1 through a connecting mechanism.
The first layer of the basement and the first layer of the underground beam which form the upper chord member and the lower chord member of the truss and the main structural column which forms the vertical web member of the truss comprise steel pipes which form the inclined web members of the truss; the truss stress system formed by additionally arranging the temporary steel inclined rods is adopted, so that the allowable span of the main structure serving as a foundation pit supporting force transmission structure in the construction stage is increased, and the construction period and the civil engineering cost of the supporting pile can be reduced.
In the stage of foundation pit supporting construction, the main basement is used as a horizontal force transmission component, and in order to avoid the construction difficulty of constructing the pile foundation in the semi-reverse construction area and reduce the construction period, the inclined rod is arranged in the main structure frame of the reverse construction area of the underground layer, so that the main structures of the underground layer and the first layer form a truss structure stress system in the reverse construction area.
The forward construction column 5 is arranged on one side, close to the back top area 4, of the truss upper chord 7, the reverse construction column 9 is arranged on one side, close to the waist rail 2, of the truss upper chord 7, and two ends of the steel pipe inclined web member 8 are connected with the truss upper chord 7 and the truss lower chord 6 respectively.
The outer surfaces of one sides of the groups of wales 2 are respectively connected with the truss upper chord 7, the truss lower chord 6 and the reverse construction area floor beam 10.
A first H-shaped steel rib 11 and a second H-shaped steel rib 12 are embedded at the joints of the steel pipe diagonal web members 8, the truss upper chord member 7, the truss lower chord member 6 and the reverse construction column 9, a connecting plug board 13 is arranged on the truss lower chord member 6, and the steel pipe diagonal web members 8 are welded on the connecting plug board 13.
The included angle between the steel pipe inclined web member 8 and the truss lower chord member 6 is preferably controlled within the range of 35-55 degrees.
The joint of the steel pipe diagonal web member 8 and the waist rail 2 is provided with an embedded part 16 and a node connecting plate 15, and a plurality of groups of bolts 14 are arranged on the first H-shaped steel rib 11 and the second H-shaped steel rib 12.
The reverse-construction-area floor beam 10 is provided with a plurality of groups of floor beam surface ribs 17 and a plurality of groups of floor beam bottom ribs 18, and the waist beam 2 is provided with a plurality of groups of shear steel bars 19.
The floor beam gluten 17 and the floor beam bottom gluten 18 adopt the planting bar mode to anchor into the support pile 1, in the 2 full length within ranges of waist rail, the high middle part of roof beam adopts the planting bar mode construction shear reinforcement 19 in addition.
The top end outer surface of the support pile 1 is provided with a crown beam 3, and an upper truss chord 7, a lower truss chord 6 and a reverse construction area floor beam 10 are all arranged on a back top area 4.
When the vertical bearing device is used, a steel pipe diagonal web member 8 is arranged in a main structure frame of the reverse construction area to form a vertical bearing mechanism, vertical loads and horizontal loads are transmitted to the support piles 1 on two sides and the main structure back top area 4 of the forward construction area, when main structures of reverse construction areas (semi-reverse construction areas) of basements on a first floor and an underground floor reach a concrete strength design value, the basements are excavated downwards layer by layer and reversely constructed to form a basement beam slab until the construction of a foundation bottom slab layer is completed;
through the arranged large-span truss, the number of the pile foundations in the reverse construction area can be greatly reduced through the arranged truss upper chord 7, the truss lower chord 6 and the reverse construction area floor beam 10, so that the construction cost and the construction period of the pile foundations in the reverse construction area are reduced, and the construction difficulty is reduced;
compared with the method that a steel pipe column or a lattice column is adopted as a bearing component in the construction stage in the conventional reverse construction method project, the novel steel pipe column or lattice column is sequentially constructed on the first-layer large-span truss in the reverse construction area, the paying-off construction can be accurately positioned, the problem that the temporary lattice column in the product is positioned and deviated in the underwater concrete poured pile is avoided, the construction precision can be ensured, the rust removal work of the vertical bearing component of the steel structure on site is avoided, and the durability of the structural component is more guaranteed;
the conventional construction process adopts the construction process of the steel column placed in the pile hole poured underwater, and the construction process of the novel patent is a concrete hanging column for post construction, so that the vertical bearing member of a steel structure is prevented from rusting.
The steel pipe diagonal web member of first floor large-span truss and not as the montant of permanent heel post all adopt the steel pipe atress, after major structure construction to the bottom plate, can dismantle this product main part, and recoverable reuse realizes the low carbon environmental protection after demolising.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a vertical load-bearing device of contrary district's structure of doing that can retrieve which characterized in that includes:
the support pile comprises a support pile (1), wherein a plurality of groups of waist beams (2) are arranged on the outer surface of one side of the support pile (1), and a connecting mechanism is arranged on each waist beam (2) and comprises a truss upper chord (7), a truss lower chord (6) and a reverse construction area floor beam (10);
the vertical bearing mechanism comprises a plurality of groups of forward-acting structural columns (5), a plurality of groups of reverse-acting structural columns (9) and a plurality of groups of reverse-acting structural columns (9) which are all connected with the connecting mechanism; and
the back top area (4) is connected with the outer surface of one side of the support pile (1) through a connecting mechanism.
2. A recoverable reverse-acting zone structural vertical load bearing device according to claim 1, wherein: the front-making structural column (5) is arranged on one side, close to the back top area (4), of the truss upper chord (7), the back-making structural column (9) is arranged on one side, close to the waist beam (2), of the truss upper chord (7), and two ends of the steel pipe diagonal web member (8) are connected with the truss upper chord (7) and the truss lower chord (6) respectively.
3. A recoverable reverse-acting zone structural vertical load bearing device according to claim 2, wherein: the outer surfaces of one sides of the waist beams (2) are respectively connected with the upper chord member (7) of the truss, the lower chord member (6) of the truss and the floor beam (10) of the reverse construction area.
4. A recoverable reverse-acting zone structural vertical load bearing device according to claim 1, wherein: the steel pipe diagonal web member (8) is pre-buried No. one H type reinforcing bar (11) and No. two H type reinforcing bars (12) with the junction of truss upper chord member (7), truss lower chord member (6) and contrary structure post (9) of doing, be provided with on truss lower chord member (6) and connect picture peg (13), steel pipe diagonal web member (8) welding is on connecting picture peg (13).
5. A recoverable reverse acting zone structural vertical load bearing device according to claim 4, wherein: the connecting part of the steel pipe diagonal web member (8) and the waist beam (2) is provided with an embedded part (16) and a joint connecting plate (15), and a plurality of groups of bolts (14) are arranged on the first H-shaped steel rib (11) and the second H-shaped steel rib (12).
6. A recoverable reverse-acting zone structural vertical load bearing device according to claim 1, wherein: be provided with a plurality of groups floor beam muscle (17) and a plurality of groups floor beam sill muscle (18) on contrary district's floor beam (10) of doing, be provided with a plurality of groups shear reinforcement (19) in waist rail (2).
7. A recoverable reverse-acting zone structural vertical load bearing device according to claim 1, wherein: the top end outer surface of the support pile (1) is provided with a crown beam (3), and the truss upper chord (7), the truss lower chord (6) and the top-down zone floor beam (10) are all installed on the back top zone (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277844.0A CN112982439A (en) | 2021-03-15 | 2021-03-15 | Vertical bearing device of reverse construction area structure that can retrieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110277844.0A CN112982439A (en) | 2021-03-15 | 2021-03-15 | Vertical bearing device of reverse construction area structure that can retrieve |
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| Publication Number | Publication Date |
|---|---|
| CN112982439A true CN112982439A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110277844.0A Pending CN112982439A (en) | 2021-03-15 | 2021-03-15 | Vertical bearing device of reverse construction area structure that can retrieve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004031510A2 (en) * | 2002-10-07 | 2004-04-15 | Man-Yop Han | Innovative prestressed scaffolding system |
| CN2861284Y (en) * | 2005-12-29 | 2007-01-24 | 上海市第二建筑有限公司 | Structure frame beam and gang-piles round protection connection node in inverse engineering |
| CN104234082A (en) * | 2014-08-29 | 2014-12-24 | 中国电建集团华东勘测设计研究院有限公司 | Jump-layer reversed construction method for deep foundation pit |
| CN105464215A (en) * | 2015-12-08 | 2016-04-06 | 上海市机械施工集团有限公司 | Reverse construction method construction method of hanging structure incapable of being provided with vertical temporary support |
| CN215165648U (en) * | 2021-03-15 | 2021-12-14 | 艾奕康设计与咨询(深圳)有限公司 | Vertical bearing device of reverse construction area structure that can retrieve |
-
2021
- 2021-03-15 CN CN202110277844.0A patent/CN112982439A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004031510A2 (en) * | 2002-10-07 | 2004-04-15 | Man-Yop Han | Innovative prestressed scaffolding system |
| CN2861284Y (en) * | 2005-12-29 | 2007-01-24 | 上海市第二建筑有限公司 | Structure frame beam and gang-piles round protection connection node in inverse engineering |
| CN104234082A (en) * | 2014-08-29 | 2014-12-24 | 中国电建集团华东勘测设计研究院有限公司 | Jump-layer reversed construction method for deep foundation pit |
| CN105464215A (en) * | 2015-12-08 | 2016-04-06 | 上海市机械施工集团有限公司 | Reverse construction method construction method of hanging structure incapable of being provided with vertical temporary support |
| CN215165648U (en) * | 2021-03-15 | 2021-12-14 | 艾奕康设计与咨询(深圳)有限公司 | Vertical bearing device of reverse construction area structure that can retrieve |
Non-Patent Citations (1)
| Title |
|---|
| 谢士德: "超高层大型综合体深基坑支护工程施工监理监控要点", 《建设监理》 * |
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Application publication date: 20210618 |