CN212248309U

CN212248309U - Steel reinforcement cage segmentation hoist and mount butt-joint structural in underground continuous wall construction

Info

Publication number: CN212248309U
Application number: CN202020474446.9U
Authority: CN
Inventors: 付小兵; 袁果; 阚保忠; 李明锐; 张劲松
Original assignee: Ycih No6 Construction Co ltd
Current assignee: Ycih No6 Construction Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-12-29
Anticipated expiration: 2030-04-03

Abstract

The utility model relates to a construction technical field, concretely relates to steel reinforcement cage segmentation hoist and mount butt joint structure in underground continuous wall construction, including lay at least a set of soil facing steel reinforcement cage in underground continuous wall and meet hole face steel reinforcement cage, the one end that meets soil facing steel reinforcement cage and meet hole face steel reinforcement cage butt joint is concave surface shape, the one end that meets hole face steel reinforcement cage and meet soil facing steel reinforcement cage butt joint is the shape of convex surface, and concave surface shape meets soil facing steel reinforcement cage end and is wrapping up the shape of convex surface's soil facing steel reinforcement cage end, and still welds the reinforcing steel plate between the two, it still welds the I-steel frame to meet soil facing steel reinforcement cage and meet hole face steel reinforcement cage another end that both kept away from the butt joint end. When avoiding two steel reinforcement cages to fold, the reinforcing bar is influenced mutually and is produced the resistance, leads to the unable sunken condition of one side steel reinforcement cage to appear for the process of transferring of steel reinforcement cage is more smooth, also makes the steel reinforcement cage end intensity of adjacent junction better.

Description

Steel reinforcement cage segmentation hoist and mount butt-joint structural in underground continuous wall construction

Technical Field

The utility model relates to a construction technical field, the steel reinforcement cage segmentation hoist and mount butt-joint structural in concretely relates to underground continuous wall construction.

Background

The construction technology of the one-groove two-cage underground continuous wall is widely applied to urban underground engineering and foundation engineering, the underground continuous wall is constructed on the bottom surface, concrete pouring is completed through a slurry protecting arm and a hole groove by adopting a vertical lifting guide pipe method by using certain equipment and machinery, so that the underground continuous wall is constructed section by section, a specific joint mode is adopted at a joint, and finally the underground continuous wall has the main advantages of supporting, retaining, bearing, seepage prevention, impact prevention and the like.

Should be according to underground continuous wall's size in the construction, according to controlling two continuous walls preparation steel reinforcement cages, then hoist and mount in proper order and lay, but the steel reinforcement cage butt joint of two cages in present groove all is the ordinary butt joint form of plane connection, causes the link section department intensity of steel reinforcement cage weak when two cages steel reinforcement cage transfer like this, produces the resistance of mutual influence between the reinforcing bar, leads to one side steel reinforcement cage can't sink easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a steel reinforcement cage segmentation hoist and mount butt-joint structural in underground continuous wall construction, the better underground continuous wall of putting into of the steel reinforcement cage that the segmentation of being convenient for was transferred guarantees the bearing strength of two sections adjacent steel reinforcement cage end departments.

In order to achieve the above object, the novel technical solution of the present invention is as follows:

reinforcing bar cage segmentation hoist and mount butt joint structure in underground continuous wall construction contains at least a set of soil facing steel reinforcement cage and the pit facing steel reinforcement cage of laying in underground continuous wall, the one end that soil facing steel reinforcement cage and the butt joint of pit facing steel reinforcement cage are concave shape, the one end that the pit facing steel reinforcement cage docks with the soil facing steel reinforcement cage is the shape of convex surface, and the soil facing steel reinforcement cage end of concave shape is wrapping up the soil facing steel reinforcement cage end of shape of convex surface, and has still welded the reinforcing steel plate between the two, the other end that both keep away from the butt joint end of soil facing steel reinforcement cage and pit facing steel reinforcement cage still has welded the I-steel frame.

Further, the convex surface shape and the concave surface shape are combined into a cross-section shape when being butted.

Further limiting, the reinforcing steel plate is welded on one side of the end of the convex soil facing steel reinforcement cage.

Further inject, meet the soil face steel reinforcement cage and meet the hole face steel reinforcement cage and all contain the vertical muscle that the equidistance was arranged, the vertical muscle of perpendicular to and be connected with the horizontal truss muscle of a row of vertical muscle, be the scissors muscle of the cross scissors shape welding on vertical muscle, the scissors muscle is in between two adjacent horizontal truss muscle to four ends of scissors muscle are respectively with two adjacent horizontal truss muscle end welding.

Further limiting, and positioning cushion blocks are also welded on the outer walls of the soil-facing steel reinforcement cage and the pit-facing steel reinforcement cage in a crossed manner.

Further limiting, the reinforcement cage facing the soil surface and the reinforcement cage facing the pit surface are in a straight line shape or an L shape.

Further limiting, the soil-facing reinforcement cage and the pit-facing reinforcement cage are connected in a straight line shape or a right-angle shape.

Further inject, when meeting the soil face steel reinforcement cage or meeting the pitted face steel reinforcement cage and being the right angle shape and connecting perpendicularly, still weld at the right angle corner of meeting the soil face steel reinforcement cage or meeting the pitted face steel reinforcement cage and draw the strengthening rib to one side.

The utility model has the advantages that: when avoiding two steel reinforcement cages to fold, the reinforcing bar is influenced mutually and is produced the resistance, leads to the unable sunken condition of one side steel reinforcement cage to appear for the process of transferring of steel reinforcement cage is more smooth, also makes the steel reinforcement cage end intensity of adjacent junction better.

Drawings

FIG. 1 is a schematic structural view of a butt joint of a reinforcement cage facing the soil and a reinforcement cage facing the pit;

fig. 2 is a schematic structural view of a cross section a-a of the earth-facing reinforcement cage and the pit-facing reinforcement cage in a butt joint manner according to the first embodiment;

FIG. 3 is a left side view of the reinforcement cage;

fig. 4 is a schematic cross-sectional structure view of a reinforcement cage facing a pit of the second embodiment;

fig. 5 is a schematic cross-sectional structure view of butt joint of the reinforcement cage on the soil-facing side and the reinforcement cage on the pit-facing side in the third embodiment;

fig. 6 is a schematic cross-sectional structure view of the butt joint of the reinforcement cage on the soil-facing side and the reinforcement cage on the pit-facing side in the fourth embodiment.

Detailed Description

In order to make the technical means, the creative features, the purpose and the efficacy of the novel implementation easily understood and appreciated, the novel implementation is further described below with reference to specific embodiments.

As shown in fig. 1, 2 and 3, the reinforcement cage segmented hoisting butt-joint structure in the underground diaphragm wall construction comprises at least one group of soil-facing reinforcement cage 1 and a pit-facing reinforcement cage 2 which are placed in the underground diaphragm wall, one end of the soil-facing reinforcement cage 1, which is in butt joint with the pit-facing reinforcement cage 2, is in a concave shape 10, one end of the pit-facing reinforcement cage 2, which is in butt joint with the soil-facing reinforcement cage 1, is in a convex shape 20, the end of the soil-facing reinforcement cage 1 of the concave shape 10 wraps the end of the soil-facing reinforcement cage 1 of the convex shape 20, a reinforcing steel plate 3 is further welded between the two ends, which are far away from the butt-joint end, of the soil-facing reinforcement cage 1 and the pit-facing reinforcement cage 2, and an i-shaped steel frame 4 is further welded on the two sides.

Preferably, the convex surface shape 10 and the concave surface shape 20 are combined into a shape like a Chinese character' when being butted.

Preferably, the reinforcing steel plate 3 is welded on one side of the end of the soil facing surface reinforcement cage 1 of the convex surface shape 10.

Preferably, the soil-facing reinforcement cage 1 and the pit-facing reinforcement cage 2 both comprise vertical ribs 5 arranged equidistantly, transverse truss ribs 6 connected with a row of vertical ribs in parallel and shear ribs 7 welded on the vertical ribs in a crossed shear shape, the shear ribs 7 are positioned between two adjacent transverse truss ribs 6, and four ends of the shear ribs 7 are welded with the ends of the two adjacent transverse truss ribs 6 respectively. The transverse truss ribs 6 adopt HRB 400-grade phi 28 steel bars, and HRB 400-grade phi 16 steel bars are welded on the two sides of the I-shaped steel frame 4 to form a white skin with the thickness of 0.4mm and the width of 100 cm. Positioning cushion blocks 8 are also welded on the outer walls of the soil-facing reinforcement cage 1 and the pit-facing reinforcement cage 2 in a crossed manner, and the positioning cushion blocks 8 on the pit-facing reinforcement cage 2 are welded to be 5mm in thickness, 10cm in width and 5cm in height; the welding thickness on the soil facing surface steel reinforcement cage 1 is 5mm, the width is 10cm, the height is 7cm, and the steel reinforcement cage has the functions of positioning and reinforcing the strength of the steel reinforcement cage.

In this embodiment, the soil-facing reinforcement cage 1 and the pit-facing reinforcement cage 2 are in a straight butt joint mode, and one groove and two cages are butt-jointed and placed in the underground continuous wall.

In this embodiment, the soil-facing steel reinforcement cage 1 and the pit-facing steel reinforcement cage 2 are in a straight-line butt joint mode or a right-angle butt joint mode.

Example two: in another variation of the first embodiment, as shown in fig. 4, the reinforcement cage 1 facing the earth or the reinforcement cage 2 facing the pit is L-shaped.

Example three: as shown in fig. 5, the linear soil-facing steel reinforcement cage 1 is butted and lowered with the L-shaped pit-facing steel reinforcement cage 2.

Example four: the L-shaped earth-facing reinforcement cage 1 shown in fig. 6 is butted and lowered with the in-line pit-facing reinforcement cage 2, and these simple deformations all belong to the protection scope of the present embodiment.

Preferably, when the soil-facing reinforcement cage 1 or the pit-facing reinforcement cage 2 is perpendicularly connected in a right-angle shape, the diagonal reinforcing ribs 9 are welded at the right-angle corners of the soil-facing reinforcement cage 1 or the pit-facing reinforcement cage 2. Of course, when the steel reinforcement cage is in right-angle butt joint, the shape changes of the soil-facing steel reinforcement cage and the pit-facing steel reinforcement cage can be combined at will, and the steel reinforcement cage and the pit-facing steel reinforcement cage are within the protection range of the embodiment.

The form of one groove and two cages is adopted in the low continuous wall, so when the reinforcement cage facing the soil or the reinforcement cage facing the pit is combined together and falls down by using a crane, the whole cage is adopted for hoisting, hoisting points on the reinforcement cage facing the soil or the reinforcement cage facing the pit are uniformly distributed and symmetrically distributed, a main crane and an auxiliary crane are used for hoisting simultaneously during hoisting, and the whole reinforcement cage is ensured to be in a horizontal state during hoisting.

The steel reinforcement cage subsection hoisting butt-joint structure in the underground continuous wall construction provided by the utility model is introduced in detail. The description of the embodiments is only for the purpose of helping to understand the novel method and the core idea thereof, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the novel method without departing from the principle of the novel method, and these improvements and modifications also fall within the protection scope of the novel claims.

Claims

1. Steel reinforcement cage segmentation hoist and mount butt joint structure in the construction of underground continuous wall, its characterized in that: the steel reinforcement cage structure comprises at least one group of soil-facing steel reinforcement cage and a pit-facing steel reinforcement cage which are arranged in an underground diaphragm wall, wherein one end, butted with the pit-facing steel reinforcement cage, of the soil-facing steel reinforcement cage is concave, one end, butted with the soil-facing steel reinforcement cage, of the pit-facing steel reinforcement cage is convex, the end, wrapped by the concave soil-facing steel reinforcement cage, of the convex soil-facing steel reinforcement cage is welded between the concave soil-facing steel reinforcement cage and the pit-facing steel reinforcement cage, and an I-shaped steel frame is further welded to the other end, far away from the butted end, of the soil-facing steel reinforcement cage and the pit-facing steel reinforcement cage.

2. The sectional hoisting butt joint structure for the reinforcement cage in the underground continuous wall construction according to claim 1, characterized in that: the convex surface shape and the concave surface shape are combined into a shape of' when in butt joint.

3. The reinforcement cage sectional hoisting butt-joint structure in the underground continuous wall construction according to claim 2, characterized in that: the reinforcing steel plate is welded on one side of the end of the convex soil facing steel reinforcement cage.

4. The sectional hoisting butt joint structure for the reinforcement cage in the construction of the underground continuous wall as claimed in claim 3, wherein: the soil-facing reinforcement cage and the pit-facing reinforcement cage respectively comprise vertical ribs arranged at equal intervals, transverse truss ribs connected with the vertical ribs in a row and vertical ribs in parallel, and shear ribs welded on the vertical ribs in a crossed shear shape, wherein the shear ribs are positioned between two adjacent transverse truss ribs, and four ends of each shear rib are welded with the ends of two adjacent transverse truss ribs respectively.

5. The sectional hoisting butt joint structure for the reinforcement cage in the construction of the underground continuous wall according to claim 4, characterized in that: and positioning cushion blocks are also welded on the outer walls of the soil-facing reinforcement cage and the pit-facing reinforcement cage in a crossed manner.

6. The sectional hoisting butt joint structure for the reinforcement cage in the construction of the underground continuous wall as claimed in claim 5, wherein: the soil-facing reinforcement cage and the pit-facing reinforcement cage are in a straight line shape or an L shape.

7. The sectional hoisting butt joint structure of the reinforcement cage in the underground continuous wall construction according to any one of claims 1 to 6, characterized in that: the soil-facing reinforcement cage and the pit-facing reinforcement cage are connected in a straight-line shape or a right-angle shape.

8. The reinforcement cage sectional hoisting butt-joint structure in the construction of the underground continuous wall as claimed in claim 7, wherein: when the soil-facing reinforcement cage or the pit-facing reinforcement cage is vertically connected in a right-angle shape, a diagonal reinforcing rib is welded at the right-angle corner of the soil-facing reinforcement cage or the pit-facing reinforcement cage.