CN214738124U

CN214738124U - Reinforced concrete internal stay supporting structure applying conversion steel column cap

Info

Publication number: CN214738124U
Application number: CN202121097778.0U
Authority: CN
Inventors: 李灿峰; 唐永权; 张维祥; 陈久佳; 黄瑜明; 刘宁; 王寅
Original assignee: Zhejiang Baoye Construction Group Co ltd
Current assignee: Zhejiang Baoye Construction Group Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-16
Anticipated expiration: 2031-05-21

Abstract

A reinforced concrete inner support supporting structure applying a conversion steel column cap comprises a soil layer in a foundation pit, an engineering pile is fixedly inserted in the soil layer in an inserting manner, the top end of the engineering pile is fixedly provided with the conversion steel column cap, the conversion steel column cap comprises an engineering pile end plate fixed at the top end of the engineering pile, two vertical H-shaped steels are fixedly welded on two sides of the upper end surface of the engineering pile end plate, a support column end plate is fixedly welded at the upper end of the H-shaped steel, a vertical support column is fixedly welded on the upper end surface of the support column end plate, and the upper end of the support column is inserted on a reinforced concrete inner support; and a plurality of anchoring ribs are fixedly inserted at the periphery of the engineering pile end plate, and a bearing platform is poured at the head of the conversion steel column. The utility model provides a conversion steel column cap utilizes conversion steel column head can connect prefabricated engineering stake and support column, realizes that prefabricated engineering stake props the stand pile in as the concrete, reduction foundation ditch retaining structure's that can be great cost.

Description

Reinforced concrete internal stay supporting structure applying conversion steel column cap

The technical field is as follows:

the utility model relates to a technical field of foundation ditch enclosure, more specifically say and relate to a reinforced concrete internal stay bearing structure who uses conversion steel column cap.

Background art:

at present, the reinforced concrete inner support is usually required to be provided with an upright post in a foundation pit to bear the dead weight of an inner support system, so that the integral stability is increased. At present, the mainstream upright column is a steel lattice column, the bottom of the steel lattice column is inserted into a cast-in-place pile, and the upper part of the steel lattice column is anchored in a reinforced concrete inner support so as to realize the supporting effect. However, for the project adopting the precast pile foundation, the project piles are all precast piles, the original project piles cannot be utilized by the upright pile, and a cast-in-place pile needs to be newly added for supporting the lattice column, so that the construction cost of the enclosure structure is increased. If the precast pile is directly utilized, the precast pile head needs to be anchored in the bearing platform, so that the construction of the bottom plate structure cannot be carried out, and the precedent that the precast engineering pile is used as the concrete inner-supporting upright post pile does not exist at present.

The utility model has the following contents:

the utility model aims at being not enough to prior art, and provide an use reinforced concrete internal stay bearing structure of conversion steel column cap, it has designed a conversion steel column cap, utilizes conversion steel column head can connect prefabricated engineering stake and prefabricated square pile, realizes that prefabricated engineering stake is as concrete internal stay post stake, reduction foundation ditch retaining structure's that can be great cost.

A reinforced concrete inner support supporting structure applying a conversion steel column cap comprises a soil layer in a foundation pit, an engineering pile is fixedly inserted in the soil layer in an inserting manner, the top end of the engineering pile is fixedly provided with the conversion steel column cap, the conversion steel column cap comprises an engineering pile end plate fixed at the top end of the engineering pile, two vertical H-shaped steels are fixedly welded on two sides of the upper end surface of the engineering pile end plate, a support column end plate is fixedly welded at the upper end of the H-shaped steel, a vertical support column is fixedly welded on the upper end surface of the support column end plate, and the upper end of the support column is inserted on a reinforced concrete inner support; and a plurality of anchoring ribs are fixedly inserted at the periphery of the engineering pile end plate, and a bearing platform is poured at the head of the conversion steel column.

Preferably, the engineering pile end plate and the support column end plate on the conversion steel column head are both rectangular, and the width and the length of the engineering pile end plate are respectively equal to those of the support column end plate; the width of the engineering pile end plate is equal to the height of the H-shaped steel, and the width of the H-shaped steel is smaller than the length of half of the engineering pile end plate.

Preferably, the side edge of the engineering pile end plate is flush with the side edge of the H-shaped steel.

Preferably, the engineering pile end plate on the conversion steel column head is positioned in the bearing platform, and the support column end plate on the conversion steel column head is positioned on the upper side of the bearing platform.

Preferably, the length of the anchoring ribs on the conversion steel column head is not more than half of the length of the H-shaped steel, and the anchoring ribs are located in the bearing platform.

Preferably, the support column adopts a prefabricated square pile, the engineering pile adopts a prefabricated pile, and the upper end of the engineering pile is inserted into the bearing platform.

The beneficial effects of the utility model reside in that:

the conversion steel column head is used for connecting a prefabricated engineering pile and a support column, the prefabricated engineering pile is used as a concrete inner support column pile, and the manufacturing cost of a foundation pit support structure can be greatly reduced.

Description of the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the inner conversion steel column head of the present invention;

FIG. 3 is a schematic side view of the inner conversion steel column head of the present invention;

fig. 4 is a schematic sectional view of the top-down direction of the inner conversion steel column head of the present invention.

In the figure: 1. a layer of clay; 2. engineering piles; 3. converting the steel column cap; 31. an engineering pile end plate; 32. a support post end plate; 33. h-shaped steel; 34. anchoring ribs; 4. a support pillar; 5. a reinforced concrete inner support; 6. a bearing platform.

The specific implementation mode is as follows:

example (b): as shown in fig. 1 to 4, a reinforced concrete inner support supporting structure applying a conversion steel column cap comprises a soil layer 1 in a foundation pit, an engineering pile 2 is fixedly inserted into the soil layer 1, a conversion steel column cap 3 is fixedly arranged at the top end of the engineering pile 2, the conversion steel column cap 3 comprises an engineering pile end plate 31 fixed at the top end of the engineering pile 2, two vertical H-shaped steels 33 are fixedly welded on two sides of the upper end surface of the engineering pile end plate 31, a support column end plate 32 is fixedly welded at the upper end of the H-shaped steel 33, a vertical support column 4 is fixedly welded on the upper end surface of the support column end plate 32, and the upper end of the support column 4 is inserted into a reinforced concrete inner support 5; a plurality of anchoring ribs 34 are fixedly inserted at the periphery of the engineering pile end plate 31, and a bearing platform 6 is poured at the position of the conversion steel column head 3.

Preferably, the engineering pile end plate 31 and the support column end plate 32 on the conversion steel column head 3 are both rectangular, and the width and the length of the engineering pile end plate 31 are respectively equal to the width and the length of the support column end plate 32; the width of the engineering pile end plate 31 is equal to the height of the H-shaped steel 33, and the width of the H-shaped steel 33 is smaller than half of the length of the engineering pile end plate 31.

Preferably, the side edge of the engineering pile end plate 31 is flush with the side edge of the H-shaped steel 33.

Preferably, the engineering pile end plate 31 on the conversion steel column head 3 is positioned in the bearing platform 6, and the support column end plate 32 on the conversion steel column head 3 is positioned on the upper side of the bearing platform 6.

Preferably, the length of the anchoring ribs 34 on the conversion steel column heads 3 is not more than half of the length of the H-shaped steel 33, and the anchoring ribs 34 are all positioned in the bearing platforms 6.

Preferably, the support column 4 adopts a prefabricated square pile, the engineering pile 2 adopts a prefabricated pile, and the upper end of the engineering pile 2 is inserted into the bearing platform 6.

The working principle is as follows: the utility model relates to a support structure applying a conversion steel column head, which has the main technical points that a conversion steel column head 3 is developed, and the conversion steel column head 3 consists of an engineering pile end plate 31, a support column end plate 32, H-shaped steel 33 and anchoring ribs 34; in the construction process of the reinforced concrete inner support, an engineering pile end plate 31 is pre-embedded at the top of an engineering pile 2, and a support column end plate 32 is welded and fixed at the bottom end of a support column; after the construction of the engineering pile 2 is carried out to a preset elevation, a conversion steel column head 3 is constructed and manufactured, H-shaped steel 33 and anchoring ribs 34 are respectively welded and fixed on an engineering pile end plate 31, a support column 4 is fixed on a prefabricated pile machine, the elevation position is adjusted, the support column end plate 32 is tightly attached to the upper part of the H-shaped steel 33 and is subjected to welding construction, the support column 4 is constructed and driven to the preset elevation by the prefabricated pile machine after a welding seam is naturally cooled, and when the reinforced concrete inner support 5 is constructed, the upper part of the support column 4 is poured into the reinforced concrete inner support 5;

after the construction of the reinforced concrete inner support 5 is finished, a pouring bearing platform can be constructed on the conversion steel column cap 3, and then the construction of the bottom part structure of the basement is carried out.

The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims

1. The utility model provides an use reinforced concrete internal stay bearing structure of conversion steel column cap, includes dirt bed (1) in the foundation ditch, and dirt bed (1) interpolation is fixed with engineering stake (2), its characterized in that: the top end of the engineering pile (2) is fixedly provided with a conversion steel column head (3), the conversion steel column head (3) comprises an engineering pile end plate (31) fixed at the top end of the engineering pile (2), two vertical H-shaped steels (33) are welded and fixed on two sides of the upper end surface of the engineering pile end plate (31), the upper end of each H-shaped steel (33) is welded and fixed with a support column end plate (32), the upper end surface of each support column end plate (32) is welded and fixed with a vertical support column (4), and the upper end of each support column (4) is inserted into the reinforced concrete inner support (5); a plurality of anchoring ribs (34) are fixedly inserted at the periphery of the engineering pile end plate (31), and a bearing platform (6) is poured at the position of the conversion steel column head (3).

2. The reinforced concrete inner bracing support structure applying the conversion steel column cap as claimed in claim 1, wherein: the engineering pile end plate (31) and the support column end plate (32) on the conversion steel column head (3) are both rectangular, and the width and the length of the engineering pile end plate (31) are respectively equal to those of the support column end plate (32); the width of the engineering pile end plate (31) is equal to the height of the H-shaped steel (33), and the width of the H-shaped steel (33) is smaller than the half length of the engineering pile end plate (31).

3. The reinforced concrete inner bracing support structure applying the conversion steel column cap as claimed in claim 2, wherein: the side edge of the engineering pile end plate (31) is flush with the side edge of the H-shaped steel (33).

4. The reinforced concrete inner bracing support structure applying the conversion steel column cap as claimed in claim 1, wherein: the engineering pile end plate (31) on the conversion steel column head (3) is positioned in the bearing platform (6), and the support column end plate (32) on the conversion steel column head (3) is positioned on the upper side of the bearing platform (6).

5. The reinforced concrete inner bracing support structure applying the conversion steel column cap as claimed in claim 1, wherein: the length of the anchoring ribs (34) on the conversion steel column heads (3) is not more than half of the length of the H-shaped steel (33), and the anchoring ribs (34) are all positioned in the bearing platform (6).

6. The reinforced concrete inner bracing support structure applying the conversion steel column cap as claimed in claim 1, wherein: the support column (4) adopts a prefabricated square pile, the engineering pile (2) adopts a prefabricated pile, and the upper end of the engineering pile (2) is inserted into the bearing platform (6).