CN112195961B - Supporting foundation conversion structure in limited space and construction method - Google Patents
Supporting foundation conversion structure in limited space and construction method Download PDFInfo
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- CN112195961B CN112195961B CN202011056169.0A CN202011056169A CN112195961B CN 112195961 B CN112195961 B CN 112195961B CN 202011056169 A CN202011056169 A CN 202011056169A CN 112195961 B CN112195961 B CN 112195961B
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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
- E02D27/44—Foundations for machines, engines or ordnance
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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
- E02D5/22—Piles
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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
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Abstract
The invention discloses a conversion structure of an inner support foundation in a limited space and a construction method, which are used for being connected with a support column of equipment, wherein the conversion structure comprises a foundation structure, an embedded anchoring structure, a connection anchoring structure, a conversion pile and a connection foundation, the embedded anchoring structure is arranged in the foundation structure, the connection anchoring structure is arranged in the conversion pile, the connection anchoring structure is connected with the embedded anchoring structure, the conversion pile is connected on the foundation structure, and the connection foundation is arranged on the conversion pile and is connected with the support column of the equipment. According to the invention, the anchoring steel bars of the equipment are raised in space and delayed in time, so that the anchoring steel bars extending out of the ground are prevented from influencing the middle construction process, the construction is ensured to be carried out orderly, the construction convenience is effectively improved, and the construction period is shortened.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a supporting foundation conversion structure in a limited space and a construction method.
Background
With the progress of building construction technology, a large number of single buildings with large-span space structures are developed, and with the use of large single buildings as exhibition halls, shopping malls or indoor entertainment cities, the demand for arranging various large-scale entertainment or commercial facilities in building rooms is also increasing. Because the entertainment equipment is generally directly erected on an indoor foundation structure surface, and because most of the entertainment equipment is vibration-type facilities and has large bending moment, the foundation and the structural plate of the entertainment equipment need to be reliably connected, and the common connection mode in a reinforced concrete structure is a reinforced anchoring mode. However, the foundation structure surface is poured firstly, the indoor equipment is installed last, various construction operations of the building body and the auxiliary structure are required to be carried out in the middle, if a method of reserving reinforcing steel bars is adopted to solve the anchoring problem, the reserved reinforcing steel bars are fully distributed on the foundation structure surface, and along with the construction, when the operation such as material transportation, assembly site, hoisting site, large crawler crane and the like is carried out in the construction process of the building body or the installation process of entertainment equipment in the building, the walking route of mechanical equipment is greatly influenced due to limited indoor space, the construction scheme can be seriously interfered, and the construction period is greatly prolonged.
Disclosure of Invention
The invention provides a supporting foundation conversion structure in a limited space and a construction method, which convert a supporting foundation in space and time to meet the requirement of supporting entertainment equipment without influencing the normal implementation of an intermediate construction scheme.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a supporting foundation conversion structure in a limited space is used for being connected with a supporting column of equipment and comprises a foundation structure, an embedded anchoring structure, a connection anchoring structure, a conversion pile and a connection foundation, wherein the embedded anchoring structure is arranged in the foundation structure, the connection anchoring structure is arranged in the conversion pile, the connection anchoring structure is connected with the embedded anchoring structure, the conversion pile is connected on the foundation structure, and the connection foundation is arranged on the conversion pile and is connected with the supporting column of the equipment;
the embedded anchoring structure comprises anchoring ribs and an anchoring plate, the anchoring ribs are arranged on the bottom surface of the anchoring plate and are positioned in the foundation structure, and the surface of the anchoring plate is flush with the surface of the foundation structure; the connecting and anchoring structure is arranged on the anchoring plate at intervals and comprises a connecting end plate and anchoring rods, the connecting end plate is arranged on the anchoring plate, and the anchoring rods are arranged on the connecting end plate.
Furthermore, the bottom surface of the connecting end plate is connected with the surface of the anchoring plate, and the anchoring rod is vertically arranged on the surface of the connecting end plate and located in the conversion pile.
Further, connect the basis including connecting the stock and connecting the anchor plate, the sub-unit connection of connecting the stock is in the conversion stake, and outside the conversion stake was exposed on upper portion, connect the anchor plate and establish at conversion stake top, be connected with connecting the stock.
Further, the conversion pile comprises a steel reinforcement framework and a pile body, and the anchoring rod is connected with the steel reinforcement framework.
Furthermore, the anchoring ribs and the connecting end plates are correspondingly paved on the bottom surface and the surface of the anchoring plate.
Furthermore, the connecting end plate is welded on the anchoring plate, and the connecting anchor plate is connected with the connecting anchor rod through bolts.
A construction method for supporting a foundation conversion structure in a limited space comprises the following steps:
s1, position location: determining the position of the pre-buried anchoring structure on a construction surface according to a construction drawing, and marking and positioning;
s2, pouring a foundation: fixing the pre-embedded anchoring structure and then pouring the foundation structure;
s3, construction operation: after the solidification of the foundation structure meets the requirements, construction operation of the building body and the auxiliary structure is carried out;
s4, pretreatment of the joint: after the construction operation of the building is completed, roughening the surface of the connecting position of the foundation structure and the conversion pile, and welding the connecting anchoring structure on the pre-buried anchoring structure;
s5, pile body pouring: placing a framework of the conversion pile, connecting the framework with a connecting anchoring structure, placing a connecting anchor rod according to a designed height, and then erecting a template to pour the conversion pile;
s6, basic connection: and after the conversion pile is solidified to meet the requirements, fixing the connecting anchor plate on the connecting anchor rod to complete the construction of the conversion structure.
Further, in step S2, when placing the pre-buried anchor structure, it is ensured that the pre-buried anchor structure is located at the center of the post-cast conversion pile, and the surface of the pre-buried anchor structure is flush with the surface of the foundation structure.
Further, in step S5, secondary grouting is adopted for the converted piles; the hole of placing of connecting the stock is reserved during primary grouting, and during secondary grouting, will connect the stock and place to fix and place downtheholely to pour for the secondary.
The invention has the following beneficial effects:
by spatially raising the anchoring steel bars of the equipment and arranging the anchoring steel bars in a delayed manner in time, the anchoring steel bars extending out of the ground are prevented from influencing the middle construction process, the construction is ensured to be orderly carried out, the construction convenience is effectively improved, and the construction period is shortened;
the conversion pile is firmly connected with the foundation structure through the connection of the pre-buried anchoring structure and the connection anchoring structure, so that the stability of the conversion pile is ensured, and the stable and safe supporting effect on equipment is further ensured;
with pre-buried anchor structure and foundation structure parallel and level setting, guaranteed foundation structure surface's trafficability characteristic, pre-buried setting ensures that foundation structure has stable and higher bearing capacity simultaneously, also strengthens and changes the joint strength and the stability of stake.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic connection diagram of the pre-buried anchoring structure and the connection anchoring structure according to the present invention;
FIG. 3 is a flow chart of the construction method of the present invention.
Reference numerals: 1-foundation structure, 2-embedded anchoring structure, 21-anchoring rib, 22-anchoring plate, 3-connecting anchoring structure, 31-connecting end plate, 32-anchoring rod, 4-conversion pile, 5-connecting foundation, 51-connecting anchor rod and 52-connecting anchoring plate.
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 specification, 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.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
As shown in fig. 1, the supporting foundation conversion structure in a limited space is used for being connected with a supporting column of equipment to support the supporting foundation conversion structure, and comprises a foundation structure 1, a pre-buried anchor structure 2, a connection anchor structure 3, a conversion pile 4 and a connection foundation 5, wherein the pre-buried anchor structure 2 is arranged in the foundation structure 1, the connection anchor structure 3 is arranged in the conversion pile 4, the connection anchor structure 3 is connected with the pre-buried anchor structure 2, the conversion pile 4 is connected on the foundation structure 1, and the connection foundation 5 is arranged on the conversion pile 4 and is connected with the supporting column of the equipment.
As shown in fig. 3, the principle of the present invention is as follows: in order to avoid that the anchoring steel bars of the entertainment equipment extend out to influence construction operation, a pre-buried anchoring structure 2 is preset in a foundation structure 1 to be used as a connecting node, the pre-buried anchoring structure 2 is flush with the surface of the foundation structure 1, so that the construction operation cannot be influenced, the construction of a building body can be conveniently carried out, when the construction of the building body is completed and the entertainment equipment is installed, the connection of the connecting anchoring structure 3 and the pre-buried anchoring structure 2 and the pouring of a conversion pile 4 are carried out, and then the installation of a connecting foundation 5 is carried out at the top of the conversion pile 4 to be used as the anchoring steel bars of the entertainment equipment; the conversion pile 4 is used for lifting the connection foundation 5, so that the mechanical property and stability of the connection foundation 5 serving as an anchoring steel bar are ensured, and the supporting effect on entertainment equipment is further ensured; the construction of the conversion structure is carried out after the construction of the building body is finished, the connection effect equivalent to that of the original anchoring steel bar is achieved, and the influence on the construction process is avoided.
As shown in fig. 2, the embedded anchoring structure 2 includes an anchoring rib 21 and an anchoring plate 22, the anchoring rib 21 is arranged on the bottom surface of the anchoring plate 22 and is located in the foundation structure 1, and the surface of the anchoring plate 22 is flush with the surface of the foundation structure 1; the connection anchoring structure 3 is arranged on the anchoring plate 22 at intervals and comprises a connection end plate 31 and an anchoring rod 32, the connection end plate 31 is arranged on the anchoring plate 22, and the anchoring rod 32 is arranged on the connection end plate 31.
The pre-buried anchor structure 2 is connected with the connection anchor structure 3, and as the connection node of the conversion pile 4 and the foundation structure 1, the connection between the conversion pile and the foundation structure is stable and reliable, so that the conversion pile 4 is used as a stable supporting pile, and the safety of equipment is ensured.
As shown in fig. 2, further, the bottom surface of the connecting end plate 31 is connected with the surface of the anchoring plate 22, and the anchoring rod 32 is vertically arranged on the surface of the connecting end plate 31 and positioned in the conversion pile 4.
As shown in fig. 1, the connection foundation 5 further includes a connection anchor rod 51 and a connection anchor plate 52, wherein the lower portion of the connection anchor rod 51 is connected to the inside of the conversion pile 4, the upper portion of the connection anchor rod is exposed out of the conversion pile 4, and the connection anchor plate 52 is arranged on the top of the conversion pile 4 and connected with the connection anchor rod 51.
Further, the conversion pile 4 comprises a steel reinforcement framework and a pile body, and the anchor rod 32 is connected with the steel reinforcement framework.
When the invention is used and supports the moving equipment, the conversion pile 4 adopts secondary grouting, thus ensuring the installation precision of the installation bolt and the convenience of equipment installation; when supporting to quiet equipment, conversion stake 4 adopts once to be in milk to when the grout is pour will connect stock 51 and framework of steel reinforcement fixed connection together, guarantee the stability of connecting.
Further, the anchoring ribs 21 and the connecting end plates 31 are correspondingly laid on the bottom surface and the surface of the anchoring plate 22.
Preferably, the anchoring ribs 21 and the connecting end plates 31 are uniformly laid on two sides of the anchoring plate 22 and are correspondingly arranged up and down.
Further, the connecting end plate 31 is welded to the anchor plate 22, and the connecting anchor plate 52 is bolted to the connecting anchor 51.
The invention is suitable for building foundation ground or floor structures, and when the invention is applied to the floor structures, the conversion structure is arranged above the column, thereby avoiding damaging the building structures.
The preferred embodiment of the invention is arranged on the foundation ground, the foundation structure 1 is a concrete structural plate with the thickness of 400mm, the anchoring plate 22 is a steel plate with the thickness of 400 x 400mm, the anchoring ribs 21 are nine L-shaped steel bars with the outer diameter of 20mm, the two are welded, the connecting anchoring structure 3 is formed by welding 40 x 40mm steel plates and round steel bars with the outer diameter of 20mm, the steel plates are welded on the surface of the anchoring plate 22 corresponding to the anchoring ribs 21, the conversion piles 4 are reinforced concrete square columns with the height of 1200mm and the length and width of 2000mm, the connecting anchoring plate 52 is a steel plate with the thickness of 940 x 940mm, and the connecting anchoring rods 51 are screws of M36.
As shown in fig. 3, a construction method of a supporting foundation transformation structure in a limited space includes the following steps:
s1, position location: determining the position of the embedded anchoring structure 2 on a construction surface according to a construction design drawing, and marking and positioning the embedded anchoring structure for placing the embedded anchoring structure;
s2, pouring a foundation: after the pre-embedded anchoring structure 2 is pre-embedded and fixed firmly, pouring operation of the foundation structure 1 is carried out;
s3, construction operation: after the foundation structure 1 is solidified, performing construction operation of the building, including indoor and outdoor construction of the building;
s4, pretreatment of the joint: after the construction operation of the building is completed, when the installation and construction work of entertainment equipment needs to be started, the surface of the connecting position of the foundation structure 1 and the conversion pile 4 is roughened, and the connecting and anchoring structure 3 is welded and connected to the embedded anchoring structure 2;
s5, pile body pouring: placing and fixing a prefabricated conversion pile 4 framework, connecting the anchoring rod 32 connected with the anchoring structure 3 with the framework, placing and fixing the connecting anchor rod 51 according to the designed height, and then erecting an external template to pour the conversion pile 4;
s6, basic connection: and (5) removing the formwork after the conversion pile 4 is solidified, and fixing the connecting anchor plate 52 on the exposed end of the connecting anchor rod 51 to complete the construction of the conversion structure.
Further, in step S2, when placing the pre-buried anchor structure 2, it is ensured that the pre-buried anchor structure 2 is located at the center of the post-cast conversion pile 4, and the surface thereof is flush with the surface of the foundation structure 1, and the surface of the anchor plate 22 is completely exposed.
Further, in step S5, the conversion pile 4 is subjected to secondary grouting; the placing hole of the connecting anchor rod 51 is reserved during primary grouting, and the connecting anchor rod 51 is placed and fixed in the placing hole during secondary grouting and is subjected to secondary pouring.
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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Claims (9)
1. A supporting foundation conversion structure in a limited space is used for being connected with a supporting column of equipment, and is characterized by comprising a foundation structure (1), an embedded anchoring structure (2), a connection anchoring structure (3), a conversion pile (4) and a connection foundation (5), wherein the embedded anchoring structure (2) is arranged in the foundation structure (1), the connection anchoring structure (3) is arranged in the conversion pile (4), the connection anchoring structure (3) is connected with the embedded anchoring structure (2), the conversion pile (4) is connected to the foundation structure (1), and the connection foundation (5) is arranged on the conversion pile (4) and is connected with the supporting column of the equipment;
the embedded anchoring structure (2) comprises anchoring ribs (21) and an anchoring plate (22), the anchoring ribs (21) are arranged on the bottom surface of the anchoring plate (22) and located in the foundation structure (1), and the surface of the anchoring plate (22) is flush with the surface of the foundation structure (1); connect anchor structure (3) interval to set up on anchor board (22), including connecting end plate (31) and anchor pole (32), connect end plate (31) and establish on anchor board (22), establish on connecting end plate (31) anchor pole (32).
2. A support infrastructure transition structure in a confined space as claimed in claim 1, wherein: the bottom surface of the connecting end plate (31) is connected with the surface of the anchoring plate (22), and the anchoring rod (32) is vertically arranged on the surface of the connecting end plate (31) and is positioned in the conversion pile (4).
3. A support infrastructure transition structure in a confined space as claimed in claim 1, wherein: connect basis (5) including connecting stock (51) and connecting anchor plate (52), the lower part of connecting stock (51) is connected in conversion stake (4), and outside conversion stake (4) was exposed on upper portion, connect anchor plate (52) and establish at conversion stake (4) top, be connected with connecting stock (51).
4. A support infrastructure transition structure in a confined space as claimed in claim 3, wherein: the conversion pile (4) comprises a steel reinforcement framework and a pile body, and the anchor rod (32) is connected with the steel reinforcement framework.
5. A support infrastructure transition structure in a confined space as claimed in claim 1, wherein: the anchoring ribs (21) and the connecting end plates (31) are correspondingly paved on the bottom surface and the surface of the anchoring plate (22).
6. A support infrastructure transition structure in a confined space as claimed in claim 3, wherein: the connecting end plate (31) is connected to the anchoring plate (22) in a welded mode, and the connecting anchoring plate (52) is connected with the connecting anchoring rod (51) through bolts.
7. A method of constructing a support and conversion structure for limited space as claimed in any one of claims 1 to 6, including the steps of:
s1, position location: determining the position of the pre-buried anchoring structure (2) on a construction surface according to a construction drawing, and marking and positioning;
s2, pouring a foundation: fixing the pre-buried anchoring structure (2) and then pouring the foundation structure (1);
s3, construction operation: after the solidification of the foundation structure (1) meets the requirement, the construction operation of the building body and the auxiliary structure is carried out;
s4, pretreatment of the joint: after the construction operation of the building is completed, roughening the surface of the connecting position of the foundation structure (1) and the conversion pile (4), and welding the connecting anchoring structure (3) on the pre-buried anchoring structure (2);
s5, pile body pouring: placing a framework of the conversion pile (4), connecting the framework with the connecting and anchoring structure (3), placing the connecting anchor rods (51) according to the design height, and then erecting a template to pour the conversion pile (4);
s6, basic connection: and after the conversion pile (4) is solidified to meet the requirement, fixing the connecting anchor plate (52) on the connecting anchor rod (51) to complete the construction of the conversion structure.
8. The method of constructing a support foundation conversion structure in a confined space as claimed in claim 7, wherein: in the step S2, when the pre-buried anchor structure (2) is placed, the pre-buried anchor structure (2) is ensured to be positioned at the center of the post-cast conversion pile (4), and the surface of the pre-buried anchor structure is flush with the surface of the foundation structure (1).
9. The method of constructing a support foundation conversion structure in a confined space as claimed in claim 7, wherein: in the step S5, secondary grouting is adopted for the conversion pile (4); and reserving a placing hole for connecting the anchor rod (51) during primary grouting, placing and fixing the connecting anchor rod (51) in the placing hole during secondary grouting, and performing secondary pouring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056169.0A CN112195961B (en) | 2020-09-29 | 2020-09-29 | Supporting foundation conversion structure in limited space and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056169.0A CN112195961B (en) | 2020-09-29 | 2020-09-29 | Supporting foundation conversion structure in limited space and construction method |
Publications (2)
| Publication Number | Publication Date |
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| CN112195961A CN112195961A (en) | 2021-01-08 |
| CN112195961B true CN112195961B (en) | 2022-01-28 |
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| CN202011056169.0A Active CN112195961B (en) | 2020-09-29 | 2020-09-29 | Supporting foundation conversion structure in limited space and construction method |
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| CN (1) | CN112195961B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7533505B2 (en) * | 2003-01-06 | 2009-05-19 | Henderson Allan P | Pile anchor foundation |
| CN103147460B (en) * | 2013-03-27 | 2015-07-22 | 郑州市大方实业有限公司 | Integrated prefabricated pier and foundation structure |
| CN106836268A (en) * | 2017-03-24 | 2017-06-13 | 北京恒通创新赛木科技股份有限公司 | Column foundation and foundation structure of building |
| CN207620108U (en) * | 2017-09-29 | 2018-07-17 | 成都城电电力工程设计有限公司 | PC fabricated construction dry type column foot connecting structures |
| CN108999208A (en) * | 2018-08-02 | 2018-12-14 | 中国电建集团河南工程有限公司 | A kind of blower foundation anchor component construction method of installation |
| CN111535353A (en) * | 2020-05-08 | 2020-08-14 | 广东蕉岭建筑工程集团有限公司 | Tower crane foundation conversion installation method |
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