CN211228647U - Foundation underpinning and reinforcing structure for reconstruction and extension project - Google Patents

Foundation underpinning and reinforcing structure for reconstruction and extension project Download PDF

Info

Publication number
CN211228647U
CN211228647U CN201921801413.4U CN201921801413U CN211228647U CN 211228647 U CN211228647 U CN 211228647U CN 201921801413 U CN201921801413 U CN 201921801413U CN 211228647 U CN211228647 U CN 211228647U
Authority
CN
China
Prior art keywords
wall
groove
foundation
steel plate
reinforcing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201921801413.4U
Other languages
Chinese (zh)
Inventor
彭涛
丁超
苑举卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Underground Space High Tech Industry Research Institute Co ltd
Original Assignee
Nanjing Underground Space High Tech Industry Research Institute Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Underground Space High Tech Industry Research Institute Co ltd filed Critical Nanjing Underground Space High Tech Industry Research Institute Co ltd
Priority to CN201921801413.4U priority Critical patent/CN211228647U/en
Application granted granted Critical
Publication of CN211228647U publication Critical patent/CN211228647U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Working Measures On Existing Buildindgs (AREA)

Abstract

The utility model belongs to the technical field of building maintenance, especially, be a foundation underpins reinforced structure for rebuilding and expanding engineering, including four reinforcing angle steel of fixed connection at the foundation pillar outer wall, reinforcing angle steel outer wall both sides all set up evenly distributed spacing portion, adjacent two be equipped with a plurality of vertical evenly distributed connecting steel plate between the reinforcing angle steel, connecting steel plate's both ends are located the inside of spacing portion, spacing portion is including seting up in reinforcing angle steel outer wall standing groove and fixed connection in the stopper of standing groove inner wall bottom surface outside; insert connecting steel plate in proper order in the spacing portion, receive the limiting displacement of spacing portion, unable landing, the welding personnel of specialty this moment welds connecting steel plate and reinforcement angle steel in proper order through the welding groove, can accomplish the steel sheet and consolidate, and operating personnel does not need tool location, mark location and control when welding connecting steel plate to intensity of labour has been reduced.

Description

Foundation underpinning and reinforcing structure for reconstruction and extension project
Technical Field
The utility model belongs to the technical field of the building maintenance, specifically a foundation underpins reinforced structure for rebuilding and expanding engineering.
Background
The foundation underpinning is also called underground underpinning, which is to increase the supporting and bearing capacity of the existing building foundation in a narrow sense, a new permanent support or foundation is added at the lower part of the existing foundation, and in a broad sense, when earthwork is excavated under the existing foundation building, in order to eliminate possible influences on the functions and structures of the existing foundation building, the existing foundation building is reinforced, the supporting layer foundation of the building is improved, a new foundation is arranged, new and old foundations are replaced and other projects, so that the technical processes of joist dismantling, joist connecting columns and joist column replacing columns are inevitably existed in the load transfer process.
The simplest method for foundation underpinning and reinforcement in the prior art is an outsourcing steel reinforcement method, which mainly wraps a concrete member by steel sections such as steel plates and angle steels, increases the pressure resistance of the member through various constraints on the periphery, is suitable for a concrete structure with greatly improved section bearing capacity, and generally mainly comprises a dry outsourcing steel method and a wet outsourcing steel method, wherein the dry outsourcing steel method mainly connects the angle steels wrapped outside the concrete member in a welding connection mode, realizes the constraint on the original member so as to improve the bearing capacity and the deformation resistance of the member, a plurality of steel plates which are vertically and uniformly distributed are required to be welded and connected among the angle steels on the periphery, and because of the large number, a positioning tool and a marking line are required to be adopted in advance to position the steel plates, so that the welding and positioning time is prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a basic underpinning reinforced structure for rebuilding and expanding engineering to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a foundation underpinning and reinforcing structure for reconstruction and expansion engineering comprises four reinforcing angle steels fixedly connected to the outer wall of a foundation column, wherein both sides of the outer wall of each reinforcing angle steel are provided with uniformly distributed limiting parts, a plurality of connecting steel plates vertically and uniformly distributed are arranged between every two adjacent reinforcing angle steels, both ends of each connecting steel plate are arranged in the limiting parts, each limiting part comprises a placing groove formed in the outer wall of each reinforcing angle steel and a limiting block fixedly connected to the outer side of the bottom surface of the inner wall of the placing groove, each connecting steel plate is positioned in the placing groove, the bottom surface of each connecting steel plate is in contact with the bottom surface of the inner wall of the placing groove, one side of each limiting block, which is far away from the connecting steel plate, is provided with a welding groove, an inserting groove is arranged above the placing groove, the inserting groove, the welding groove and the placing groove are communicated, and the, the reinforcing angle steel inner wall is provided with a limiting clamping groove, and the outer wall of the arc adding protection plate is fixedly connected with two limiting ribs matched with the limiting clamping groove.
As a further aspect of the present invention: the inner wall of the insertion groove is provided with a guide slope surface, and the guide direction of the guide slope surface is the direction of the placing groove.
As a further aspect of the present invention: and two ends of the connecting steel plate are positioned inside the two welding grooves.
As a further aspect of the present invention: and a pouring cavity is arranged between the reinforcing angle steel and the arc protection plate.
As a further aspect of the present invention: the limiting clamping groove is located on the inner wall of the reinforcing angle steel and far away from the limiting portion.
As a further aspect of the present invention: and two ends of the arc protection plate are in mutual contact with two ends of the reinforced angle steel.
As a further aspect of the present invention: the connecting steel plate is in a long rectangular shape.
Compared with the prior art, the beneficial effects of the utility model are that:
consolidate the angle steel outer wall and be provided with spacing portion, lay and consolidate the angle steel around the muddy earth component, insert spacing portion in the connecting steel plate in proper order this moment, receive the limiting displacement of spacing portion, connecting steel plate still can fix in spacing portion before the welding this moment, unable landing, the welding personnel of specialty this moment, weld connecting steel plate and reinforcement angle steel in proper order through the welding groove, can accomplish the steel sheet and consolidate, operating personnel does not need the tool location when the welded connection steel plate, mark location and control, thereby intensity of labour has been reduced, the working time has been reduced, the deuterogamy adds protects the arc board and can consolidate columniform foundation column, make its fixed suitability increase.
Drawings
Fig. 1 is a schematic structural diagram of a foundation underpinning and reinforcing structure for reconstruction and extension projects;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic top view of the installation of the arc protection plates in the foundation underpinning reinforcement structure for reconstruction and extension works;
fig. 4 is a schematic top view of the application of the arc protection plate in the foundation underpinning and reinforcing structure for reconstruction and extension projects.
In the figure: 1. reinforcing angle steel; 11. a limiting clamping groove; 12. pouring a cavity; 2. a limiting part; 21. a placement groove; 22. a limiting block; 23. inserting the groove; 231. guiding the slope surface; 24. welding a groove; 3. connecting steel plates; 4. adding an arc protection plate; 41. and limiting ribs.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, a foundation underpinning reinforcement structure for reconstruction and expansion engineering comprises four reinforcement angle steels 1 fixedly connected to the outer wall of a foundation column, wherein both sides of the outer wall of each reinforcement angle steel 1 are respectively provided with a uniformly distributed limiting portion 2, a plurality of vertically and uniformly distributed connecting steel plates 3 are arranged between two adjacent reinforcement angle steels 1, both ends of each connecting steel plate 3 are installed inside the limiting portions 2, each limiting portion 2 comprises a placing groove 21 formed in the outer wall of each reinforcement angle steel 1 and a limiting block 22 fixedly connected to the outer side of the inner wall bottom surface of the placing groove 21, each connecting steel plate 3 is located inside the placing groove 21, the bottom surface of each connecting steel plate 3 is in contact with the inner wall bottom surface of the placing groove 21, one side of each limiting block 22, which is far away from the connecting steel plate 3, is provided with a welding groove 24, an insertion groove, consolidate 1 inner wall of angle steel and can dismantle and be connected with arc protection plate 4, consolidate 1 inner wall of angle steel and seted up spacing draw-in groove 11, add two and spacing muscle 41 with spacing draw-in groove 11 matched with of arc protection plate 4 outer wall fixedly connected with.
In fig. 1: the angle steel reinforcing structure comprises four reinforcing angle steels 1 fixedly connected to the outer wall of a foundation column, the reinforcing angle steels 1 are matched in type according to the bearing force used according to actual needs, the reinforcing angle steels 1 are right-angled, so that four corners of the foundation column can be wrapped, the foundation column can be supported in an auxiliary mode, the two sides of the outer wall of each reinforcing angle steel 1 are respectively provided with a uniformly distributed limiting part 2, each limiting part 2 is formed by a plurality of combined grooves, a limiting effect is achieved on connecting steel plates 3, the limiting parts 2 of the outer walls of two adjacent reinforcing angle steels 1 are in one-to-one correspondence and form a straight line, the connecting steel plates 3 are placed into the limiting parts 2 at the moment, the connecting steel plates 3 are in a horizontal state and are perpendicular to the connecting steel plates 3 through the limiting effect of the limiting parts 2, a plurality of connecting steel plates 3 which are vertically and uniformly distributed are arranged between two adjacent reinforcing angle steels 1, thereby wrap up the foundation column, increase the holding power of foundation column, the both ends of connecting steel plate 3 are installed in spacing portion 2's inside, and connecting steel plate 3's shape is rectangular form, and the connecting steel plate 3 of rectangular rectangle can cooperate spacing portion 2, makes 3 inner walls of connecting steel plate and the laminating of 24 inner walls of weld groove mutually, welds through the welded mode to increase connecting steel plate 3 and the fastness of reinforcing angle steel 1.
In fig. 2: the limiting part 2 comprises a placing groove 21 arranged on the outer wall of the reinforced angle steel 1 and a limiting block 22 fixedly connected to the outer side of the bottom surface of the inner wall of the placing groove 21, the limiting block 22 has a limiting effect on the connecting steel plate 3, the limiting block 22 enables the placing groove 21 to be a groove body with two ends and an open upper part, the connecting steel plate 3 can only be placed in from the upper part of the placing groove 21, the two ends of the connecting steel plate 3 are limited by the welding grooves 24, the connecting steel plate 3 can only slide out from the upper part of the placing groove 21 through the clamping effect of the limiting block 22 in the front side, the connecting steel plate 3 is influenced by gravity, the connecting steel plate 3 can not slide out from the placing groove 21 without the help of external force, so that the limiting effect on the connecting steel plate 3 is achieved, the connecting steel plate 3 is positioned in the placing groove 21, the bottom surface of the connecting steel plate 3 is contacted, insertion groove 23 has been had above standing groove 21, insertion groove 23, welding groove 24 and standing groove 21 intercommunication, insertion groove 23 inner wall has the domatic 231 of direction, the direction of the domatic 231 of direction is the direction of standing groove 21, insertion groove 23 is located standing groove 21 top, and communicate with standing groove 21, when inserting, the domatic 231 of direction of connecting steel plate 3 insertion groove 23 slides into standing groove 21, the both ends of connecting steel plate 3 are located the inside of two welding grooves 24, welding groove 24 outside exposes this moment, the both ends of connecting steel plate 3 can be directly seen from the outside, make things convenient for operating personnel to weld between connecting steel plate 3 and the welding groove 24, improve operating personnel welded convenience.
In fig. 3-4: the inner wall of the reinforced angle steel 1 is detachably connected with an additional arc protection plate 4, the inner wall of the reinforced angle steel 1 is provided with a limit clamping groove 11, the outer wall of the additional arc protection plate 4 is fixedly connected with two limit ribs 41 matched with the limit clamping grooves 11, the additional arc protection plate 4 is inserted into the reinforced angle steel 1 through the matching of the limit ribs 41 and the limit clamping grooves 11, under the condition of limiting, an operator can weld the additional arc protection plate 4 and the reinforced angle steel 1, the limit ribs 41 and the limit clamping grooves 11 can play a secondary limiting effect, so that the stability between the additional arc protection plate 4 and the reinforced angle steel 1 is increased, a pouring cavity 12 is arranged between the reinforced angle steel 1 and the additional arc protection plate 4, secondary supplement can be performed between the reinforced angle steel 1 and the additional arc protection plate 4 through the pouring cavity 12, such as reinforcement frame body cement pouring and the like, the use diversity and the maximum supporting force are increased, the limit clamping groove 11 is positioned on the inner wall of the reinforced, if spacing draw-in groove 11 is too close with spacing portion 2 distance, cause the wall thickness between the two to be thinner easily to reduce the stability of consolidating angle steel 1, add the both ends of arc protection plate 4 and consolidate angle steel 1's both ends and contact each other.
The utility model discloses a theory of operation is: when in use, the reinforcing angle steels 1 are arranged at four corners of the foundation column, the connecting steel plates 3 are sequentially arranged in the limiting parts 2 between two adjacent reinforcing angle steels 1, when in installation, the connecting steel plates 3 are inserted into the placing grooves 21 through the guide slope surfaces 231 of the inserting grooves 23 and are limited by the limiting blocks 22, the connecting steel plates 3 cannot slide out of the limiting parts 2, at the moment, professional welders, the connecting steel plates 3 and the reinforcing steel angles 1 are welded in sequence through the welding grooves 24, the reinforcing steel angles 1 form a steel framework through a plurality of connecting steel plates 3, thereby wrapping the foundation column, increasing the supporting force of the foundation column, and the operator does not need to position, mark, position and hold a jig when welding the connecting steel plate 3, therefore, the labor intensity is reduced, the labor time is reduced, and the cylindrical foundation column can be reinforced by matching with the arc protection plate 4, so that the fixing applicability is improved.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The foundation underpinning and reinforcing structure for reconstruction and extension projects comprises four reinforcing angle steels (1) fixedly connected to the outer wall of a foundation column, and is characterized in that two sides of the outer wall of each reinforcing angle steel (1) are respectively provided with a limiting part (2) which are uniformly distributed, a plurality of connecting steel plates (3) which are vertically and uniformly distributed are arranged between every two adjacent reinforcing angle steels (1), and two ends of each connecting steel plate (3) are arranged inside the limiting parts (2);
the limiting part (2) comprises a placing groove (21) formed in the outer wall of the reinforcing angle steel (1) and a limiting block (22) fixedly connected to the outer side of the bottom surface of the inner wall of the placing groove (21), the connecting steel plate (3) is located inside the placing groove (21), the bottom surface of the connecting steel plate (3) is in contact with the bottom surface of the inner wall of the placing groove (21), a welding groove (24) is formed in one side, away from the connecting steel plate (3), of the limiting block (22), an insertion groove (23) is formed above the placing groove (21), and the insertion groove (23), the welding groove (24) and the placing groove (21) are communicated;
consolidate angle steel (1) inner wall can dismantle and be connected with arc protection plate (4), spacing draw-in groove (11) have been seted up to consolidate angle steel (1) inner wall, add arc protection plate (4) outer wall fixedly connected with two with spacing muscle (41) of spacing draw-in groove (11) matched with.
2. The underpinning and reinforcing structure of foundation for reconstruction and enlargement works as claimed in claim 1, characterized in that said insertion groove (23) has a guiding slope (231) on its inner wall, said guiding slope (231) having a guiding direction in the direction of said placing groove (21).
3. A underpinning and reinforcing structure for foundation for reconstruction and enlargement works according to claim 1 characterized in that both ends of said connection steel plate (3) are inside two of said welding grooves (24).
4. A underpinning reinforcement structure for rebuilding and expanding works according to claim 1, characterized in that there is a casting cavity (12) between the reinforcement angle steel (1) and the arc protection plate (4).
5. The foundation underpinning and reinforcing structure for reconstruction and extension projects according to claim 1, characterized in that the limiting clamping groove (11) is located on the inner wall of the reinforcing angle steel (1) and far away from the limiting part (2).
6. The underpinning and reinforcing structure for the foundation of the reconstruction and extension project according to claim 1, characterized in that the two ends of the arc adding plate (4) and the two ends of the angle reinforcing steel (1) are in mutual contact.
7. A underpinning and reinforcing structure for foundation for reconstruction and enlargement works according to claim 1 characterized in that said connection steel plates (3) are rectangular elongated in shape.
CN201921801413.4U 2019-10-24 2019-10-24 Foundation underpinning and reinforcing structure for reconstruction and extension project Active CN211228647U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921801413.4U CN211228647U (en) 2019-10-24 2019-10-24 Foundation underpinning and reinforcing structure for reconstruction and extension project

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921801413.4U CN211228647U (en) 2019-10-24 2019-10-24 Foundation underpinning and reinforcing structure for reconstruction and extension project

Publications (1)

Publication Number Publication Date
CN211228647U true CN211228647U (en) 2020-08-11

Family

ID=71917208

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921801413.4U Active CN211228647U (en) 2019-10-24 2019-10-24 Foundation underpinning and reinforcing structure for reconstruction and extension project

Country Status (1)

Country Link
CN (1) CN211228647U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112392149A (en) * 2020-11-20 2021-02-23 中建四局第三建设有限公司 Assembled steel structure reinforcing support
CN115506619A (en) * 2022-08-15 2022-12-23 陕西兴艾建设工程有限公司 Steel structure reinforcing construction equipment for building construction and construction method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112392149A (en) * 2020-11-20 2021-02-23 中建四局第三建设有限公司 Assembled steel structure reinforcing support
CN115506619A (en) * 2022-08-15 2022-12-23 陕西兴艾建设工程有限公司 Steel structure reinforcing construction equipment for building construction and construction method thereof
CN115506619B (en) * 2022-08-15 2024-01-16 陕西兴艾建设工程有限公司 Steel structure reinforcement construction equipment for house construction and construction method thereof

Similar Documents

Publication Publication Date Title
CN211228647U (en) Foundation underpinning and reinforcing structure for reconstruction and extension project
KR20110067961A (en) Splicing method of preassembled reinforcing bar columns
CN108517883A (en) Opening locked steel tube pilecofferdam and its construction method
KR20150029512A (en) The horizontal structural frame and the underground construction methods using it
CN212358368U (en) Adjustable integral back wall for jacking pipe
CN114319977B (en) Steel pipe concrete row column type connection precast shear wall structure and construction method
CN211230493U (en) Assembled steel segment template suitable for quick lining of horseshoe tunnel
JP6422084B2 (en) Underground space construction method
KR20190045603A (en) Retaining Walls, and Construction Method of Underground Structure
CN204825945U (en) A fixture for fixing buried bolt in advance
KR20200091114A (en) Construction method of underground tunnel forming structure
CN216740195U (en) Shear wall mixed structure system connected by grouting sleeve
CN215105474U (en) Ultra-deep foundation pit tower crane lattice type bearing platform foundation system
CN110512733B (en) Installation method of assembled concrete shear wall structure
CN211081034U (en) Building template easy to disassemble
CN106703015A (en) Steel plate concrete prefabricated part, permanent-temporary combined underground enclosure system and construction methods
CN216515689U (en) Cold joint processing structure based on triaxial mixing stake stagnant water curtain
CN214695793U (en) Pile type underpinning construction jack support
CN110670626A (en) Assembled foundation module and rapid construction method thereof
CN221072717U (en) Counter-force structure for double-bin rectangular jacking pipe of electric power pipe rack
CN220099928U (en) Assembled steel-pipe pile supporting device
CN220166967U (en) Pile foundation fixing frame for building construction
KR101625593B1 (en) Concrete filled tube column structure
CN217174831U (en) Steel purlin structure that two-way loose end that bears is connected with fender pile
CN215105247U (en) Reinforced concrete square pile convenient to installation

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant