CN112854291A - Distribution beam type anti-pulling foundation - Google Patents
Distribution beam type anti-pulling foundation Download PDFInfo
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- CN112854291A CN112854291A CN202110216221.2A CN202110216221A CN112854291A CN 112854291 A CN112854291 A CN 112854291A CN 202110216221 A CN202110216221 A CN 202110216221A CN 112854291 A CN112854291 A CN 112854291A
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- 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
- E02D27/50—Anchored foundations
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Abstract
The invention relates to a distribution beam type anti-pulling foundation which comprises a reinforced concrete foundation and a distribution beam assembly arranged in the reinforced concrete foundation, wherein the distribution beam assembly comprises an upper distribution beam, a pull lug, a plurality of connecting reinforcements and a plurality of lower distribution beams, the lower distribution beams are arranged in parallel at intervals, the upper distribution beams are fixedly arranged on the lower distribution beams, the upper distribution beams and the lower distribution beams are vertically arranged, the pull lug is fixedly arranged on the upper distribution beams, and two sides of the upper distribution beams are respectively and fixedly connected with the lower distribution beams through the connecting reinforcements. Compared with the prior art, the invention is suitable for foundations with large pulling force, clear in force transmission, safe and reliable, uniform in foundation stress, low in requirement on concrete foundation bearing, simple in manufacture and convenient in splicing of components and nodes.
Description
Technical Field
The invention relates to an anti-pulling foundation, in particular to a distribution beam type anti-pulling foundation.
Background
The uplift foundation is applied to mast crane hoisting engineering in some wharfs and is often used as a back-pull point. The pull-back point is often stressed a lot, hundreds or even thousands of tons, which brings great difficulty to the design of the pull-back point. In general, a pile foundation is adopted as a back pull point foundation, the area of a bearing platform is large, the whole bearing platform is driven by a single point, and great requirements are provided for the thickness of the bearing platform and the embedding mode of embedded parts. The existing pile foundation back pull point design cannot effectively meet the requirement on the strength of the back pull point.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a distribution beam type uplift foundation.
The purpose of the invention can be realized by the following technical scheme:
the distribution beam type uplift foundation comprises a reinforced concrete foundation and a distribution beam assembly arranged in the reinforced concrete foundation, wherein the distribution beam assembly comprises an upper distribution beam, a pull lug, a plurality of connection reinforcements and a plurality of lower distribution beams, the lower distribution beams are arranged at intervals in parallel, the upper distribution beams are fixedly arranged on the lower distribution beams, the upper distribution beams and the lower distribution beams are vertically arranged, the pull lug is fixedly arranged on the upper distribution beams, and two sides of the upper distribution beams are respectively fixedly connected with the lower distribution beams through the connection reinforcements.
Preferably, the connection reinforcement includes that first upper and lower roof beam supports and second upper and lower roof beam support, the one end that first upper and lower roof beam supported and the side top fixed connection of upper distribution roof beam, the other end and the top surface tip fixed connection of lower floor distribution roof beam, the one end that second upper and lower roof beam supported and the side bottom fixed connection of upper distribution roof beam, the other end and the first middle part fixed connection that upper and lower roof beam supported.
Preferably, the upper distribution beam and the lower distribution beam are fixedly connected by welding.
Preferably, a plurality of pouring holes are formed in the side surface of the upper-layer distribution beam.
Preferably, the side surface of the upper distribution beam is provided with a plurality of reinforcing steel bar holes for penetrating horizontal reinforcing steel bars.
Preferably, the lower distribution beam is an I-steel.
Preferably, stiffening plates are arranged on two sides of the middle of the web plate of the lower-layer distribution beam and are positioned below the upper-layer distribution beam.
Preferably, the upper distribution beam is box steel.
Preferably, the uplift foundation further comprises a plurality of horizontal connecting rods, and the adjacent lower-layer distribution beams are fixedly connected through the horizontal connecting rods.
Preferably, the reinforced concrete foundation comprises a foundation main body and a plurality of foundation piles, and the foundation piles are fixedly arranged at the bottom of the foundation main body.
Compared with the prior art, the invention has the following advantages:
(1) the distribution beam assembly disclosed by the invention has the advantages that the upper distribution beam is matched with the lower distribution beam, the whole reinforced concrete foundation is driven to accept by effectively utilizing the distribution beam, the distribution beam assembly is stable in structure, clear in force transmission, safe and reliable, and the performance of the uplift resistance foundation is improved effectively;
(2) the upper-layer distribution beam and the lower-layer distribution beam are connected in a welding mode, and the lateral stability of the upper-layer distribution beam and the lower-layer distribution beam is further enhanced by the aid of the connecting reinforcing pieces, so that the safety and the reliability of the device are effectively improved, and the stress capacity is improved;
(3) according to the upper-layer distribution beam, the pouring holes and the reinforcing steel bar holes are formed, so that concrete is easy to compact during pouring, the anti-pulling performance of the anti-pulling foundation is improved, the foundation is stressed more uniformly, and the bearing requirement on the bearing of the reinforced concrete foundation is lowered;
(4) the stiffening plates are arranged in the lower-layer distribution beams, so that the strength of the lower-layer distribution beams is effectively improved, and the lower-layer distribution beams are fixedly connected through the horizontal connecting rods, so that the stress of the lower-layer distribution beams is uniform, and the performance of a pulling-resistant foundation is improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic structural view of an upper distribution beam according to the present invention;
FIG. 5 is a schematic structural view of an upper distribution beam according to the present invention;
FIG. 6 is a schematic view of the construction of the lower distribution beam of the present invention;
fig. 7 is a schematic structural view of a lower distribution beam of the present invention.
The reinforced concrete foundation comprises a reinforced concrete foundation 1, an upper distribution beam 2, a lower distribution beam 3, a first upper beam support, a first lower beam support, a first horizontal connecting rod 5, a horizontal connecting rod 6, a pulling lug 7, a pouring hole 8, a reinforcing steel hole 9, a stiffening plate 10, a node plate 11, a foundation pile 12 and a second upper beam support and a second lower beam support.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
The utility model provides a distribution beam type resistance to plucking basis, as shown in fig. 1 ~ 3, include reinforced concrete foundation 1 and locate the distribution roof beam subassembly in reinforced concrete foundation 1, the distribution roof beam subassembly includes upper distribution roof beam 2, draw ear 6, a plurality of reinforcement and a plurality of lower floor's distribution roof beam 3 of connecting, the parallel interval of lower floor's distribution roof beam 3 sets up, upper distribution roof beam 2 is fixed to be located on lower floor's distribution roof beam 3, upper distribution roof beam 2 sets up with lower floor's distribution roof beam 3 is perpendicular, draw ear 6 to be fixed to be located on upper distribution roof beam 2, the both sides of upper distribution roof beam 2 are respectively through connecting reinforcement and 3 fixed connection of lower floor's distribution roof beam.
In this embodiment, reinforced concrete foundation 1 includes basic main part and a plurality of foundation pile 11, and foundation pile 11 is fixed in the bottom of basic main part. Specifically, the upper distribution beam 2 and the lower distribution beam 3 are fixedly connected by welding, and the pull lug 6 is fixedly welded on the top of the upper distribution beam 2.
In this embodiment, as shown in fig. 4, the upper distribution beam 2 is a box-shaped steel, and the upper distribution beam 2 includes two horizontal flanges and two vertical webs to form a box-shaped steel structure.
In one embodiment of the invention, in order to reinforce the connection strength of the upper distribution beam 2 and the lower distribution beam 3 and enhance the lateral stability of the upper distribution beam 2 and the lower distribution beam 3, the connection reinforcement comprises a first upper and lower beam support 4 and a second upper and lower beam support 12, one end of the first upper and lower beam support 4 is fixedly connected with the top of the side surface of the upper distribution beam 2, the other end of the first upper and lower beam support is fixedly connected with the end part of the top surface of the lower distribution beam 3, one end of the second upper and lower beam support 12 is fixedly connected with the bottom of the side surface of the upper distribution beam 2, and the other end of the second upper and lower beam support is fixedly connected with the middle part of the first upper and. Specifically, gusset plates 10 are arranged at included angles of wing plates and web plates of the upper-layer distribution beam 2 and at the end part of the top surface of the lower-layer distribution beam 3, the first upper and lower beam supports 4 and the second upper and lower beam supports 12 are fixedly connected with the upper-layer distribution beam 2 and the lower-layer distribution beam 3 through the gusset plates 10, in addition, the gusset plates 10 are fixedly welded in the middle of the first upper and lower beam supports 4, and the first upper and lower beam supports 4 and the second upper and lower beam supports 12 are fixedly connected through the gusset plates 10.
In order to facilitate the compaction of the concrete during the concrete casting, a plurality of casting holes 7 are arranged on the side surface of the upper distribution beam 2, as shown in fig. 5. Meanwhile, in order to improve the anti-pulling performance of the anti-pulling foundation, the side surface of the upper distribution beam 2 is provided with a plurality of reinforcing steel bar holes 8 for penetrating horizontal reinforcing steel bars. In the practice of the present invention, horizontal reinforcement bars may be placed within the reinforcement holes 8.
In this embodiment, as shown in fig. 6 and 7, the lower distribution beam 3 is an i-steel, in order to reinforce the strength of the lower distribution beam 3, stiffening plates 9 are disposed at positions of the lower distribution beam 3 corresponding to the upper distribution beam 2, that is, at two sides of the middle of the web of the lower distribution beam 3, and the stiffening plates 9 are located below the upper distribution beam 2. In this embodiment, the stiffener 9 is welded to the lower distribution beam 3.
Further, in order to enable the lower-layer distribution beams 3 to be stressed uniformly, the uplift foundation further comprises a plurality of horizontal connecting rods 5, and the adjacent lower-layer distribution beams 3 are fixedly connected through the horizontal connecting rods 5. Two ends of the horizontal connecting rod 5 are respectively fixedly connected with the lower distribution beam 3 in a welding way.
In the specific implementation of the invention, as shown in fig. 1-3, a distribution beam assembly of a distribution beam type uplift foundation comprises an upper distribution beam 2, pull lugs 6, eight connecting reinforcements and four lower distribution beams 3.
When the distribution beam assembly is used, the distribution beam assembly can be assembled on the ground and then integrally placed in the reinforced concrete foundation 1, and can also be placed in layers.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216221.2A CN112854291B (en) | 2021-02-26 | 2021-02-26 | A distributed beam type pull-out foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110216221.2A CN112854291B (en) | 2021-02-26 | 2021-02-26 | A distributed beam type pull-out foundation |
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| Publication Number | Publication Date |
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| CN112854291A true CN112854291A (en) | 2021-05-28 |
| CN112854291B CN112854291B (en) | 2025-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110216221.2A Active CN112854291B (en) | 2021-02-26 | 2021-02-26 | A distributed beam type pull-out foundation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119777248A (en) * | 2024-12-31 | 2025-04-08 | 中交路桥华南工程有限公司 | Distribution beam connection structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425190A (en) * | 2011-12-07 | 2012-04-25 | 中国建筑第八工程局有限公司 | Superposed tower crane foundation |
| CN206090606U (en) * | 2016-08-31 | 2017-04-12 | 朝阳九华集成建筑科技有限公司 | Integrated basis of low layer steel construction building |
| CN207597418U (en) * | 2017-12-05 | 2018-07-10 | 中交第四公路工程局有限公司 | A kind of shaped steel pedestal for the beam prefabricated constructions of T |
| CN215211144U (en) * | 2021-02-26 | 2021-12-17 | 同济大学建筑设计研究院(集团)有限公司 | Distribution beam type anti-pulling foundation |
-
2021
- 2021-02-26 CN CN202110216221.2A patent/CN112854291B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425190A (en) * | 2011-12-07 | 2012-04-25 | 中国建筑第八工程局有限公司 | Superposed tower crane foundation |
| CN206090606U (en) * | 2016-08-31 | 2017-04-12 | 朝阳九华集成建筑科技有限公司 | Integrated basis of low layer steel construction building |
| CN207597418U (en) * | 2017-12-05 | 2018-07-10 | 中交第四公路工程局有限公司 | A kind of shaped steel pedestal for the beam prefabricated constructions of T |
| CN215211144U (en) * | 2021-02-26 | 2021-12-17 | 同济大学建筑设计研究院(集团)有限公司 | Distribution beam type anti-pulling foundation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119777248A (en) * | 2024-12-31 | 2025-04-08 | 中交路桥华南工程有限公司 | Distribution beam connection structure |
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| CN112854291B (en) | 2025-05-06 |
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