CN112695794A - Precast concrete L shape post rim of a cup basis - Google Patents
Precast concrete L shape post rim of a cup basis Download PDFInfo
- Publication number
- CN112695794A CN112695794A CN202110020377.3A CN202110020377A CN112695794A CN 112695794 A CN112695794 A CN 112695794A CN 202110020377 A CN202110020377 A CN 202110020377A CN 112695794 A CN112695794 A CN 112695794A
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- foundation
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 64
- 239000004567 concrete Substances 0.000 claims abstract description 43
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 10
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 9
- 239000000945 filler Substances 0.000 claims abstract description 9
- 239000004575 stone Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 239000011440 grout Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- E02D27/42—Foundations for poles, masts or chimneys
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
Abstract
The invention discloses a precast concrete L-shaped column cup foundation which comprises a precast concrete cup foundation, a precast concrete L-shaped column, a reinforcing mesh welded on the top of the foundation, bidirectional reinforcing steel bars at the bottom of the foundation, fine stone concrete fillers, a local reinforcing hidden column and a foundation cushion layer; the main body structure of the prefabricated concrete cup foundation is formed by a prefabricated concrete cup foundation, a reinforcing mesh welded on the top of the foundation, bidirectional reinforcing steel bars at the bottom of the foundation and a local reinforcing hidden column; the precast concrete L shape post rim of a cup basis is vertical to be tertiary step form, and whole plane is squarely, and the precast concrete L shape post rim of a cup basis of this application realizes the important component part of the full assembled concrete building system of well low floor, realizes the direct socket joint of prefabricated vertical member and connects, replaces the difficult grout sleeve connected mode of control of quality. The foundation assembly can be processed and transported to the site in a factory for hoisting and installation, the industrialization degree is high, the site installation is convenient, the construction site is clean and tidy, the construction period is short, good economic benefits and social benefits are realized, and the method is suitable for popularization and use.
Description
Technical Field
The invention relates to a cup foundation, in particular to a prefabricated concrete L-shaped column cup foundation, and belongs to the technical field of prefabricated concrete structures.
Background
The assembly type building is mostly applied to high-rise residences, but in the current situation of domestic and foreign application, the full-assembly type building is adopted to build the middle-and-low-rise building, so that the advantages of the assembly type building can be better exerted. In recent years, ideas such as new rural buildings, assembled villas and military and civil integration provide a new opportunity for development of middle-low-rise assembled buildings. Compared with a concrete structure, the fabricated steel structure and the fabricated wood structure have the advantage of convenient assembly on a structural system, but the development of the fabricated steel structure and the fabricated wood structure is limited by the obvious defects of high manufacturing cost, poor durability, poor waterproof and fireproof performances and high later maintenance cost. Aiming at projects of Sichuan-Tibet railways and other long periods, the durability of the existing temporary building with the steel structure cannot meet the requirement. Under the background, the research and application of the concrete building is of great significance to the full-assembly type concrete building of middle and low-rise buildings.
The structure foundation generally adopts a cast-in-place construction mode, namely, the casting from the erection of a template and the binding of reinforcing steel bars to the concrete is completed by manpower on the construction site, so that on one hand, the labor intensity is high, the construction site is disordered, and the consumption of building materials is high; on the other hand, the building rubbish that the scene produced is more, has great influence to the environment on every side simultaneously, and based on this, this application provides a precast concrete L shape post rim of a cup basis.
Disclosure of Invention
The invention aims to solve the problems and provide a precast concrete L-shaped column cup opening foundation.
The invention realizes the purpose through the following technical scheme: a precast concrete L-shaped column cup foundation comprises a precast concrete cup foundation, a precast concrete L-shaped column, a steel bar mesh welded on the top of the foundation, bidirectional steel bars at the bottom of the foundation, fine stone concrete fillers, a local reinforcing hidden column and a foundation cushion layer; precast concrete rim of a cup basis, basis top welding reinforcing bar net, basic bottom two-way reinforcing bar, local reinforcement hidden column constitute the major structure of precast concrete L shape post rim of a cup basis, precast concrete rim of a cup basis bottom is provided with basic bed course, precast concrete L shape post is inserted in the L shape recess that precast concrete rim of a cup basis was seted up, the upper end of precast concrete rim of a cup basis is provided with basic top welding reinforcing bar net, the lower extreme of precast concrete rim of a cup basis is provided with basic bottom two-way reinforcing bar, the gap department that precast concrete rim of a cup basis was seted up between L shape recess and the precast concrete L shape post is filled with the pea gravel concrete filler, the inside of precast concrete rim of a cup basis still is provided with local reinforcement hidden column, just local reinforcement hidden column is located one side of precast concrete L shape post.
As a still further scheme of the invention: the middle cup opening of the precast concrete cup opening foundation is L-shaped and is in a three-stage step shape along the vertical direction, and the whole outer contour is square.
As a still further scheme of the invention: the L-shaped precast concrete column is directly inserted into the precast concrete cup foundation, and the periphery of the L-shaped precast concrete column is densely filled with fine aggregate concrete filler, so that the L-shaped precast concrete column is quickly anchored.
As a still further scheme of the invention: the foundation cushion layer is a cast-in-place part, cement mortar with a certain thickness is laid on the foundation cushion layer, and the connection and leveling of the precast concrete cup foundation and the cushion layer are realized in a mortar setting mode.
As a still further scheme of the invention: the inner side of the L-shaped internal corner of the precast concrete cup foundation is provided with a local reinforcing hidden column, so that the overall strength and rigidity of the foundation are enhanced.
The invention has the beneficial effects that: this precast concrete L shape post rim of a cup basis reasonable in design, this precast concrete L shape post rim of a cup basis subassembly is the important component part that realizes the full assembled concrete building system of well low-rise, realizes the direct socket joint of prefabricated vertical component (post) and connects, replaces the difficult control's of quality grout muffjoint mode. The prefabricated concrete L-shaped column cup opening foundation assembly can be processed and transported to the site in a factory for hoisting and installation, is high in industrialization degree, convenient to install on the site, clean and tidy in construction site, short in construction period, good in economic benefit and social benefit and suitable for popularization and use.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic view of the basic components of the present invention;
FIG. 3 is a schematic view of the top rebar placement of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention taken along line A-A.
In the figure: 1. the method comprises the following steps of prefabricating a concrete cup foundation, 2, prefabricating a concrete L-shaped column, 3, welding a reinforcing mesh on the top of the foundation, 4, bidirectional reinforcing steel bars at the bottom of the foundation, 5, fine stone concrete filling materials, 6, locally reinforcing hidden columns, 7 and a foundation cushion layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, a precast concrete L-shaped column cup foundation includes a precast concrete cup foundation 1, a precast concrete L-shaped column 2, a foundation top welded reinforcement mesh 3, a foundation bottom bidirectional reinforcement 4, a fine stone concrete filler 5, a local reinforced hidden column 6, and a foundation cushion 7; the cup foundation 1, the welded reinforcing mesh 3 at the top of the foundation, the bidirectional reinforcing steel bars 4 at the bottom of the foundation and the local reinforcing hidden column 6 form a main body structure of the prefabricated concrete L-shaped column cup foundation, the bottom of the precast concrete cup foundation 1 is provided with a foundation cushion layer 7, the precast concrete L-shaped column 2 is inserted into an L-shaped groove arranged on the precast concrete cup foundation 1, the upper end of the precast concrete cup foundation 1 is provided with a foundation top welding reinforcing mesh 3, the lower end of the precast concrete cup foundation 1 is provided with a foundation bottom bidirectional reinforcing steel bar 4, the gap between the L-shaped groove formed on the precast concrete cup rim foundation 1 and the precast concrete L-shaped column 2 is filled with fine aggregate concrete filler 5, the inside of precast concrete cup foundation 1 still is provided with local blind column 6 of strengthening, just local blind column 6 of strengthening is located one side of precast concrete L shape post 2.
Further, in the embodiment of the invention, the middle cup opening of the precast concrete cup opening foundation 1 is L-shaped, is in a three-stage step shape along the vertical direction, and has a square overall outer contour.
Further, in the embodiment of the present invention, the precast concrete L-shaped column 2 is directly inserted into the precast concrete cup foundation 1, and the periphery is densely filled with the fine aggregate concrete filler 5, so as to realize the quick anchoring of the precast concrete L-shaped column 2.
Further, in the embodiment of the invention, the foundation pad layer 7 is a cast-in-place part, cement mortar with a certain thickness is laid on the foundation pad layer, and the connection and leveling between the precast concrete cup foundation 1 and the pad layer are realized in a mortar setting mode.
Furthermore, in the embodiment of the invention, a local reinforcing hidden column 6 is arranged on the inner side of the L-shaped internal corner of the precast concrete cup foundation 1, so that the overall strength and rigidity of the foundation are enhanced.
The working principle is as follows: when the prefabricated concrete L-shaped column cup foundation is used, concrete is poured at the bottom of the prefabricated concrete cup foundation 1 to form a foundation cushion layer 7, the prefabricated concrete cup foundation 1 is connected with the cushion layer and leveled in a mortar sitting mode, then the prefabricated concrete L-shaped column 2 is directly inserted into the prefabricated concrete cup foundation 1, the periphery of the prefabricated concrete L-shaped column is tightly filled with the fine aggregate concrete filler 5, and the quick anchoring of the prefabricated concrete L-shaped column 2 is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a precast concrete L shape post rim of a cup basis which characterized in that: the concrete foundation comprises a precast concrete cup foundation (1), a precast concrete L-shaped column (2), a welded reinforcing mesh (3) at the top of the foundation, bidirectional reinforcing steel bars (4) at the bottom of the foundation, fine aggregate concrete filling materials (5), local reinforcing hidden columns (6) and a foundation cushion layer (7); the prefabricated concrete cup foundation (1), the foundation top welding reinforcing mesh (3), the foundation bottom bidirectional reinforcing steel bars (4) and the local reinforcing hidden columns (6) form a main structure of the prefabricated concrete L-shaped column cup foundation, a foundation cushion layer (7) is arranged at the bottom of the prefabricated concrete cup foundation (1), the prefabricated concrete L-shaped column (2) is inserted into an L-shaped groove formed in the cup foundation (1), the foundation top welding reinforcing mesh (3) is arranged at the upper end of the prefabricated concrete cup foundation (1), the foundation bottom bidirectional reinforcing steel bars (4) are arranged at the lower end of the cup foundation (1), a gap between the L-shaped groove formed in the prefabricated concrete cup foundation (1) and the prefabricated concrete L-shaped column (2) is filled with a fine stone concrete filler (5), and the local reinforcing hidden columns (6) are further arranged inside the prefabricated concrete cup foundation (1), and the local reinforcing hidden column (6) is positioned on one side of the precast concrete L-shaped column (2).
2. The precast concrete L-shaped column cup foundation of claim 1, wherein: the middle cup opening of the precast concrete cup opening foundation (1) is L-shaped, and is in a three-stage step shape along the vertical direction, and the whole outer contour is square.
3. A precast concrete L-shaped column cup foundation according to claim 1 or 2, characterized in that: the L-shaped precast concrete column (2) is directly inserted into the precast concrete cup foundation (1) in a socket mode, and the periphery of the L-shaped precast concrete column is tightly filled with fine aggregate concrete filling materials (5).
4. The precast concrete L-shaped column cup foundation of claim 1, wherein: the foundation pad layer (7) is a cast-in-place part, cement mortar with a certain thickness is laid on the foundation pad layer, and the precast concrete cup foundation (1) is connected with the pad layer and leveled in a mortar sitting mode.
5. The precast concrete L-shaped column cup foundation of claim 1, wherein: the inner side of the L-shaped internal corner of the precast concrete cup foundation (1) is provided with a local reinforcing hidden column (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020377.3A CN112695794A (en) | 2021-01-07 | 2021-01-07 | Precast concrete L shape post rim of a cup basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020377.3A CN112695794A (en) | 2021-01-07 | 2021-01-07 | Precast concrete L shape post rim of a cup basis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112695794A true CN112695794A (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110020377.3A Pending CN112695794A (en) | 2021-01-07 | 2021-01-07 | Precast concrete L shape post rim of a cup basis |
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| Country | Link |
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| CN (1) | CN112695794A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658103A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning L-shaped steel pipe column and recycled concrete independent foundation connection structure and method |
| CN114658101A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning Z-shaped steel pipe column and recycled concrete independent foundation connection structure and construction method |
| CN114753525A (en) * | 2022-03-28 | 2022-07-15 | 北京工业大学 | Assembly type composite wall board L-shaped constructional column and independent foundation connecting structure and assembly type composite wall construction method |
| CN114753492A (en) * | 2022-03-28 | 2022-07-15 | 北京工业大学 | Assembly type positioning-adjustable cross-shaped steel pipe column and recycled concrete independent foundation connection structure and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174163A (en) * | 2011-12-26 | 2013-06-26 | 贵阳铝镁设计研究院有限公司 | Heightening method and heightening structure of opening of prefabricated column foundation |
| CN108035375A (en) * | 2018-01-03 | 2018-05-15 | 太原理工大学 | A kind of concrete assembled rim of a cup basis |
| CN108265823A (en) * | 2018-03-19 | 2018-07-10 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam L-shaped connecting node |
| WO2018219196A1 (en) * | 2017-06-02 | 2018-12-06 | 中国建筑股份有限公司 | Precast column base joint and construction method therefor |
| CN110924426A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Bottom-expanding cup-mouth type connecting structure and method for reinforced concrete column and foundation |
| CN214460578U (en) * | 2021-01-07 | 2021-10-22 | 中铁建设集团有限公司 | Precast concrete L shape post rim of a cup basis |
-
2021
- 2021-01-07 CN CN202110020377.3A patent/CN112695794A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174163A (en) * | 2011-12-26 | 2013-06-26 | 贵阳铝镁设计研究院有限公司 | Heightening method and heightening structure of opening of prefabricated column foundation |
| WO2018219196A1 (en) * | 2017-06-02 | 2018-12-06 | 中国建筑股份有限公司 | Precast column base joint and construction method therefor |
| CN108035375A (en) * | 2018-01-03 | 2018-05-15 | 太原理工大学 | A kind of concrete assembled rim of a cup basis |
| CN108265823A (en) * | 2018-03-19 | 2018-07-10 | 北京工业大学 | Assembly concrete-filled steel tube column-isolated footing-concrete collar tie beam L-shaped connecting node |
| CN110924426A (en) * | 2019-11-13 | 2020-03-27 | 中国矿业大学 | Bottom-expanding cup-mouth type connecting structure and method for reinforced concrete column and foundation |
| CN214460578U (en) * | 2021-01-07 | 2021-10-22 | 中铁建设集团有限公司 | Precast concrete L shape post rim of a cup basis |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658103A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning L-shaped steel pipe column and recycled concrete independent foundation connection structure and method |
| CN114658101A (en) * | 2022-03-28 | 2022-06-24 | 北京工业大学 | Assembly type adjustable positioning Z-shaped steel pipe column and recycled concrete independent foundation connection structure and construction method |
| CN114753525A (en) * | 2022-03-28 | 2022-07-15 | 北京工业大学 | Assembly type composite wall board L-shaped constructional column and independent foundation connecting structure and assembly type composite wall construction method |
| CN114753492A (en) * | 2022-03-28 | 2022-07-15 | 北京工业大学 | Assembly type positioning-adjustable cross-shaped steel pipe column and recycled concrete independent foundation connection structure and method |
| CN114753525B (en) * | 2022-03-28 | 2023-12-29 | 北京工业大学 | Connecting structure of L-shaped constructional column and independent foundation of assembled composite wallboard and construction method of assembled composite wall |
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