CN216839472U - Node structure of collision position of foundation pit supporting rod piece and tower crane foundation - Google Patents
Node structure of collision position of foundation pit supporting rod piece and tower crane foundation Download PDFInfo
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- CN216839472U CN216839472U CN202123385716.2U CN202123385716U CN216839472U CN 216839472 U CN216839472 U CN 216839472U CN 202123385716 U CN202123385716 U CN 202123385716U CN 216839472 U CN216839472 U CN 216839472U
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- tower crane
- support rod
- rod piece
- support member
- lattice column
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Abstract
The utility model relates to a node structure of foundation ditch support member and tower crane foundation collision department, including tower crane lattice column, support member reinforcing part and tip bracket. The utility model discloses a tower crane lattice column, including support member, support member reinforcing part and bracing piece, the tip bracket will support member reinforcing part and bracing piece and cut the portion of weakening and be connected as an organic wholely, the component width shrink of support member portion of weakening and add the ligature in the inboard and have additional reinforcing bar, the bracing piece cuts the main muscle disconnection that tower crane lattice column department was pressed close to in the portion of weakening, and the side arrangement of reinforcement and the cross-sectional height of support member reinforcing part all are the same with the regional height of support member. The utility model discloses a support member and tower crane foundation effectively keep apart at the collision position, make support member and tower crane foundation independently pass power separately, avoid both to influence each other, greatly reduced the construction risk.
Description
Technical Field
The utility model relates to a node structure of foundation ditch support member and tower crane foundation collision department belongs to deep basal pit engineering construction technical field.
Background
In the process of foundation pit construction, a reinforced concrete support rod is often adopted as a horizontal support member of a foundation pit support system, and hoisting equipment such as a temporary tower crane is arranged for hoisting and transferring raw materials in the construction stage. Because tower crane basis (mostly "bored concrete pile + lattice column" form) and excavation supporting system are located same degree of depth within range, and are important atress structure, the construction of the two should be dodged in advance in order to avoid influencing each other. Because communicate not enough in earlier stage in the work progress, foundation ditch atress requirement, construction error, the prefabricated building tower crane sets up reasons such as the flexibility is poor, takes place occasionally with the problem that tower crane basis bumps for the bracing member, has certain construction risk. If the two are poured into a whole, adverse effects are caused to the use of the two due to different stress behaviors, and the tower crane has a large risk during the support dismantling process, the two are isolated from each other and the respective force transmission mechanisms cannot be influenced, so that the construction risk can be avoided, and a good solution is not provided at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a node structure of foundation ditch support member and tower crane foundation collision department is provided, can realize the effective isolation of collision position support member and tower crane foundation, make both independent atress, avoid the interact.
In order to solve the above problem, the utility model discloses a technical scheme as follows:
a node structure at a collision part of a foundation pit support rod piece and a tower crane foundation comprises tower crane lattice columns, support rod pieces, a support rod piece reinforcing part and end bracket;
the support rod piece comprises a support rod piece weakening part which is positioned on the inner side of the tower crane lattice column and is opposite to the tower crane lattice column opening area, the support rod piece reinforcing part is positioned on the outer side of the tower crane lattice column and is opposite to the tower crane lattice column opening area, and the end bracket connects the support rod piece reinforcing part and the support rod piece weakening part into a whole;
the width of a component of the weakened part of the support rod piece is reduced, an additional steel bar is additionally bound on the inner side of the weakened part of the support rod piece, and a main bar at the weakened part of the support rod piece close to a lattice column of the tower crane is disconnected;
the sum of the width of the cross section of the reinforcing part of the support rod piece and the width of the open hole area of the tower crane lattice column is not less than the original design width of the support rod piece, and the side reinforcing bars and the height of the cross section of the reinforcing part of the support rod piece are the same as the height of the area of the support rod piece.
Further, when the number of the tower crane lattice columns is two or more, the hole opening area of the tower crane lattice columns is provided with a middle tie bar area, and the support rod piece weakening portion and the support rod piece reinforcing portion are connected into a whole through the middle tie bar area.
Further, the width of the middle tie bar region is 500mm, and the cross-sectional height is equal to the height of the strut bar region.
Further, the inclined edge of the end bracket and the horizontal included angle are 45 degrees, and the width of the outer side of the end bracket is not less than 500 mm.
Further, the clear distance between the concrete supporting structure around the hole opening area of the tower crane lattice column and the tower crane lattice column is not less than 100 mm.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses realize supporting member and tower crane foundation and in the effective isolation at original easy collision position, make supporting member and tower crane foundation independently pass power separately, avoid both to influence each other, improved the efficiency of construction, greatly reduced the construction risk.
2. The utility model discloses have fine suitability to the same type foundation ditch engineering, possess good social and economic benefits.
Drawings
Fig. 1 is a schematic view of a node structure according to a first embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view taken along line a-a in fig. 1.
Fig. 3 is the utility model discloses well tower crane lattice column opens the structural schematic diagram in hole district.
Fig. 4 is a schematic view of a node structure according to the second embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments. The objects, aspects and advantages of the present invention will become more apparent from the following description. It should be understood that the described embodiments are presently preferred, but not all embodiments of the invention.
Example one
FIG. 1 is a schematic view of a node structure at a collision position of a foundation pit support rod piece and a single tower crane foundation. Referring to fig. 1 to 3, a node structure at a collision position between a foundation pit support rod and a tower crane foundation comprises tower crane lattice columns 1, support rods 2, a support rod reinforcing part 3 and end brackets 4.
Because the position of support member 2 is close to with tower crane lattice column 1, because factor such as construction error supports member 2 and can't do sufficient cross-sectional width in the position that is close to tower crane lattice column 1, consequently the utility model discloses to support member weak point 2-1 and press close to the disconnection of main muscle 1a of tower crane lattice column 1 department, will support the member width shrink of member weak point 2-1 to it has additional reinforcing bar 6 holding strength to add the ligature in its inboard (in the face of one side of tower crane lattice column 1).
The sum of the width of the cross section of the support rod piece reinforcing part 3 and the width of the tower crane lattice column opening area 1-1 is not less than the original design width of the support rod piece 2, and the side reinforcement and the cross section height of the support rod piece reinforcing part 3 are the same as those of the support rod piece 2. The inclined edge of the end bracket 4 and the horizontal included angle are 45 degrees, and the width of the outer side of the end bracket 4 is not less than 500 mm. The clear distance between the concrete supporting structure around the opening area 1-1 of the tower crane lattice column and the tower crane lattice column 1 is not less than 100mm, so that the concrete supporting structure and the tower crane lattice column are prevented from being influenced by factors such as vibration or removal in construction.
Example two
With reference to fig. 4, what is different from the first embodiment is that when the number of the tower crane lattice columns 1 is two or more, the tower crane lattice column holed area 1-1 is provided with a middle tie bar area 5, and the middle tie bar area 5 connects the support bar weakened portion 2-1 and the support bar reinforced portion 3 into a whole. The width of the middle tie bar area 5 is 500mm, the height of the cross section is equal to that of the support rod piece 2 area, the distance between the middle tie bars of the middle tie bar area 5 is not more than 2m, and the distance between the middle tie bars and the end corbels is not more than 2 m.
The utility model discloses, realized the effective isolation of the position support member of easily taking place collision and tower crane foundation, made the two independently pass power separately, avoided the interact, greatly reduced the construction risk, and construction convenience, safe and reliable, strong operability.
The above description is only for the purpose of illustration of the preferred embodiments of the present invention, and it is not intended to limit the scope of the present invention, and it is obvious that any person skilled in the art can easily conceive of alterations and modifications to obtain other embodiments based on the above embodiments, and these should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a node structure of foundation ditch support member and tower crane foundation collision department which characterized in that:
the tower crane lattice column support comprises tower crane lattice columns, support rod pieces, a support rod piece reinforcing part and end bracket;
the support rod piece comprises a support rod piece weakening part which is positioned on the inner side of the tower crane lattice column and is opposite to the tower crane lattice column opening area, the support rod piece reinforcing part is positioned on the outer side of the tower crane lattice column and is opposite to the tower crane lattice column opening area, and the end bracket connects the support rod piece reinforcing part and the support rod piece weakening part into a whole;
the width of a component of the weakened part of the support rod piece is reduced, an additional steel bar is additionally bound on the inner side of the weakened part of the support rod piece, and a main bar at the weakened part of the support rod piece close to a lattice column of the tower crane is disconnected;
the sum of the width of the cross section of the reinforcing part of the support rod piece and the width of the open hole area of the tower crane lattice column is not less than that of the support rod piece, and the side reinforcing bar and the height of the cross section of the reinforcing part of the support rod piece are the same as the height of the area of the support rod piece.
2. The node structure of the collision position of the foundation pit support rod piece and the tower crane foundation according to claim 1, characterized in that:
when the number of the tower crane lattice columns is two or more, the hole opening area of the tower crane lattice columns is provided with a middle tie bar area, and the support rod piece weakening part and the support rod piece reinforcing part are connected into a whole by the middle tie bar area.
3. The node structure of the collision position of the foundation pit support rod piece and the tower crane foundation according to claim 2, characterized in that:
the width of the middle tie bar area is 500mm, and the section height is equal to the support rod area.
4. The node structure of the collision position of the foundation pit support rod piece and the tower crane foundation according to claim 1, characterized in that:
the contained angle between the hypotenuse of tip bracket and the level is 45, the outside width of tip bracket is not less than 500 mm.
5. The node structure of the collision position of the foundation pit support rod piece and the tower crane foundation according to claim 1, characterized in that:
the clear distance between the concrete supporting structure around the hole-opening area of the tower crane lattice column and the tower crane lattice column is not less than 100 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385716.2U CN216839472U (en) | 2021-12-30 | 2021-12-30 | Node structure of collision position of foundation pit supporting rod piece and tower crane foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123385716.2U CN216839472U (en) | 2021-12-30 | 2021-12-30 | Node structure of collision position of foundation pit supporting rod piece and tower crane foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216839472U true CN216839472U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123385716.2U Active CN216839472U (en) | 2021-12-30 | 2021-12-30 | Node structure of collision position of foundation pit supporting rod piece and tower crane foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216839472U (en) |
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2021
- 2021-12-30 CN CN202123385716.2U patent/CN216839472U/en active Active
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