CN210887250U

CN210887250U - Foundation pit supporting structure for controlling deformation of existing building

Info

Publication number: CN210887250U
Application number: CN201921530864.9U
Authority: CN
Inventors: 申振伟; 孙鸿超; 王仕彩
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-13
Filing date: 2019-09-13
Publication date: 2020-06-30
Anticipated expiration: 2029-09-13

Abstract

The utility model discloses a control existing building foundation ditch supporting construction who warp, including seting up at subaerial foundation ditch, equidistant the inserting of interior bottom of foundation ditch is equipped with a plurality of support columns, adjacent two common welding has the diagonal brace, every between the support column the extension rod has all been welded to the upper end of support column, every the connecting rod has all been welded to the circumference lateral wall of extension rod, every the connecting rod is kept away from the one end that corresponds the extension rod and has all been welded the side and draw the piece, and is a plurality of the side is drawn the piece and all is inserted and establish subaerial, adjacent two all be equipped with the oblique pull device who is used for strengthening support column stability between the support column. In this device, through the design diagonal brace, connect a plurality of independent support columns as an organic whole, improved holistic support intensity to through the common restriction of last support and under bracing, make the support column can obtain the holding power that all directions improve, make the support column can provide more stable support protection.

Description

Foundation pit supporting structure for controlling deformation of existing building

Technical Field

The utility model relates to a excavation supporting technical field especially relates to the excavation supporting construction who controls existing building deformation.

Background

The tense urban land promotes various ground buildings such as commercial houses, garages and the like to be transferred to the underground, accelerates the development of underground spaces, and leads the foundation pit engineering to develop towards a larger and deeper direction.

A large number of deep foundation pits are concentrated in a city area, the construction site is narrow, the construction conditions are complex, and how to reduce the influence of foundation pit excavation on surrounding building structures becomes an important problem; the support is arranged on the fender pile to be widely applied as an enclosure structure under the limitation of site conditions; the existing foundation pit support cannot make full use of the plane space of the foundation pit, needs a larger construction area, has larger influence degree on surrounding buildings and environment, and is not stable enough.

Disclosure of Invention

The utility model aims at solving the unstable shortcoming of foundation ditch support that exists among the prior art, and the existing building of control of proposition warp's excavation supporting construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

control existing building foundation ditch supporting construction who warp, including seting up at subaerial foundation ditch, the equidistant a plurality of support columns, adjacent two of inserting of interior bottom of foundation ditch has the diagonal brace, every jointly welded between the support column the upper end of support column all has welded the extension rod, every the connecting rod, every all welded the circumference lateral wall of extension rod the connecting rod is kept away from the one end that corresponds the extension rod and is all welded the side and draw the piece, and is a plurality of the side is drawn the piece and all is inserted and establish subaerial, adjacent two all be equipped with the device that draws to one side that is used for strengthening support column stability between the support column.

Preferably, the cable-stayed device comprises an upper reinforcing pile and a lower reinforcing pile which are inserted into the side wall inside the foundation pit, the upper reinforcing pile is located at the lower end of the lower reinforcing pile, and the upper reinforcing pile and the lower reinforcing pile are connected with two adjacent supporting columns through an upper support and a lower support respectively.

Preferably, the upper support is welded with one support column obliquely downwards, and the lower support is welded with the other adjacent support column obliquely upwards.

Preferably, a plurality of corner piles are inserted into the inner bottom of the foundation pit, each inclined strut pile is welded to the side wall of each corner pile, the lower end of each inclined strut pile is inserted into the inner bottom of the foundation pit, and each pulling device used for strengthening the stability of corners is arranged at the upper end of each corner pile.

Preferably, the pulling device comprises two fixing piles inserted on the ground, pull rods are welded on the side walls of the two fixing piles, and the pull rods are welded with the circumferential side walls of the upper ends of the corresponding corner piles.

Preferably, a plurality of corner piles are located at corners of the inner wall of the foundation pit, and two pull rods in each pulling device are welded to each other and connected at an obtuse angle.

Compared with the prior art, the utility model has the advantages of:

1. in this device, through the design diagonal brace, connect a plurality of independent support columns as an organic whole, improved holistic support intensity to through the common restriction of last support and under bracing, make the support column can obtain the holding power that all directions improve, make the support column can provide more stable support protection.

2. In this device, through design side stay block, the connection effect of making the upper end of support column receive the pulling force by extension rod and connecting rod for the support column can be more stable, through designing the corner stake, makes the corner stake can provide more stable supporting role for the turning position of foundation ditch under the supporting role of bracing stake, avoids collapsing of corner position.

Drawings

Fig. 1 is the utility model provides a control existing building deformation's excavation supporting construction's schematic structure diagram.

Fig. 2 is the utility model provides a control existing building warp the underground structure's of excavation supporting structure plan view.

Fig. 3 is a sectional view taken along the direction a in fig. 2.

In the figure: the foundation pit supporting structure comprises a ground surface, 2 foundation pits, 3 supporting columns, 4 upper reinforcing piles, 5 lower reinforcing piles, 6 upper supporting, 7 lower supporting, 8 diagonal supporting rods, 9 reinforcing rods, 10 side pulling blocks, 11 extending rods, 12 connecting rods, 13 corner piles, 14 diagonal supporting piles, 15 fixing piles and 16 pulling rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, control existing building deformation's foundation ditch supporting construction, including seting up foundation ditch 2 on ground 1, the equidistant a plurality of support columns 3 of having inserted of interior bottom of foundation ditch 2, it has diagonal brace 8 to weld jointly between two adjacent support columns 3, extension rod 11 has all been welded to the upper end of every support column 3, connecting rod 12 has all been welded to the circumference lateral wall of every extension rod 11, the one end that every connecting rod 12 kept away from corresponding extension rod 11 has all been welded the side and has been drawn piece 10, a plurality of sides are drawn piece 10 and all are inserted and establish on ground 1, all be equipped with the device that draws to one side that is used for strengthening support column 3 stability between two adjacent support columns 3.

The cable-stayed device comprises an upper reinforcing pile 4 and a lower reinforcing pile 5 which are inserted on the side wall inside the foundation pit 2, the upper reinforcing pile 4 is positioned at the lower end of the lower reinforcing pile 5, and the upper reinforcing pile 4 and the lower reinforcing pile 5 are respectively connected with two adjacent supporting columns 3 through an upper support 6 and a lower support 7; the upper support 6 is welded with one support column 3 obliquely downwards, and the lower support 7 is welded with the other adjacent support column 3 obliquely upwards, so that each support column 3 can receive supporting force from different directions, and the supporting capacity of the support columns 3 can be improved.

A plurality of corner piles 13 are inserted into the inner bottom of the foundation pit 2, a diagonal brace pile 14 is welded on the side wall of each corner pile 13, the lower end of each diagonal brace pile 14 is inserted into the inner bottom of the foundation pit 2, and a pulling device for strengthening the stability of corners is arranged at the upper end of each corner pile 13; the pulling device comprises two fixed piles 15 inserted on the ground 1, pull rods 16 are welded on the side walls of the two fixed piles 15, and the two pull rods 16 are welded with the circumferential side walls of the upper ends of the corresponding corner piles 13; a plurality of edge stake 13 all are located the corner of 2 inner walls of foundation ditch, and the corner position in the protection foundation ditch 2 avoids the corner position to empty and collapses, and two pull rods 16 in every pulling device all weld each other and connect the angle and be the obtuse angle, provide bigger pulling force, avoid edge stake 13 to empty.

When protecting foundation ditch 2, at first insert 2 bottom in the foundation ditch with a plurality of support columns 3 along 2 sidelines equidistant in foundation ditch, then insert a plurality of last reinforced pile 4 and lower reinforced pile 5 to the inner wall of foundation ditch 2, then use and support 6 and under bracing 7 and be connected a plurality of support columns 3 with last reinforced pile 4 and lower reinforced pile 5, make support column 3 have certain ability of preventing toppling under the common restriction of last support 6 and under bracing 7, can improve the protection of collapsing the foundation ditch 2, then use diagonal brace 8 to link together two adjacent support columns 3, make a plurality of support columns 3 form a whole, then be connected stiffener 9 and support column 3 and diagonal brace 8, improve the stability of being connected between support column 3 and the diagonal brace 8.

Then insert on ground 1 and be equipped with side pull block 10, and weld extension rod 11 in the upper end of support column 3, rethread connecting rod 12 links together extension rod 11 and support column 3, realize supporting to one side of support column 3, then insert in each turning position of foundation ditch 2 and establish limit angle stake 13 and bearing diagonal stake 14, and weld the upper end of bearing diagonal stake 14 and the upper end lateral wall of limit angle stake 13 together, it is fixed to realize the bracing of limit angle stake 13, then insert on ground and establish spud pile 15, link together spud pile 15 and bearing diagonal stake 14 through pull rod 16, realize the effective protection of bearing diagonal stake 14 to foundation ditch 2 turnings, avoid 2 turning positions of foundation ditch to protect not firm.

The above, 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

1. Control existing building foundation pit supporting construction who warp, including offering foundation ditch (2) on ground (1), its characterized in that, the equidistant a plurality of support columns (3) of inserting of interior bottom of foundation ditch (2), adjacent two common welding has diagonal brace (8), every between support column (3) extension rod (11), every all weld in the upper end of support column (3) extension rod (11), every connecting rod (12) are all welded to the circumference lateral wall of extension rod (11), every the one end that corresponds extension rod (11) was kept away from in connecting rod (12) all welds and has a side to draw piece (10), and is a plurality of the side is drawn piece (10) and all is inserted on ground (1), adjacent two all be equipped with between support column (3) and be used for strengthening support column (3) stability draw the device to one side.

2. The foundation pit supporting structure for controlling deformation of an existing building according to claim 1, wherein the cable-stayed device comprises an upper reinforcing pile (4) and a lower reinforcing pile (5) inserted on the inner side wall of the foundation pit (2), the upper reinforcing pile (4) is positioned at the lower end of the lower reinforcing pile (5), and the upper reinforcing pile (4) and the lower reinforcing pile (5) are connected with two adjacent supporting columns (3) through an upper support (6) and a lower support (7) respectively.

3. Foundation pit support structure for controlling deformation of an existing building according to claim 2, characterized in that the upper support (6) is welded obliquely downwards to one support column (3) and the lower support (7) is welded obliquely upwards to the adjacent other support column (3).

4. The foundation pit supporting structure for controlling deformation of an existing building according to claim 1, wherein a plurality of corner piles (13) are inserted into the inner bottom of the foundation pit (2), a diagonal brace pile (14) is welded to the side wall of each corner pile (13), the lower end of each diagonal brace pile (14) is inserted into the inner bottom of the foundation pit (2), and a pulling device for reinforcing corner stability is arranged at the upper end of each corner pile (13).

5. Foundation pit support structure for controlling deformation of an existing building according to claim 4, characterized in that said pulling means comprise two fixing piles (15) inserted on the ground (1), the side walls of both said fixing piles (15) are welded with a pull rod (16), and both said pull rods (16) are welded with the circumferential side wall of the upper end of the corresponding corner pile (13).

6. Foundation pit support structure for controlling deformation of existing buildings according to claim 5, characterized in that a plurality of corner piles (13) are located at the corners of the inner wall of the foundation pit (2), and two pull rods (16) in each of the pulling devices are welded to each other and the connecting angle is obtuse.